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https://github.com/radareorg/radare2.git
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7234 lines
199 KiB
C
7234 lines
199 KiB
C
/* radare - LGPL - Copyright 2009-2022 - nibble, pancake, dso, lazula */
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#include "r_core.h"
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#define HASRETRY 1
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#define HAVE_LOCALS 1
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#define DEFAULT_NARGS 4
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#define FLAG_PREFIX ";-- "
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#define COLOR(ds, field) ((ds)->show_color? (ds)->field: "")
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#define COLOR_ARG(ds, field) ((ds)->show_color && (ds)->show_color_args? (ds)->field: "")
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#define COLOR_CONST(ds, color) ((ds)->show_color? Color_##color: "")
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#define COLOR_RESET(ds) COLOR_CONST (ds, RESET)
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#define ds_offset(ds) ((ds)->index * (ds)->addrbytes)
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#define ds_bufat(ds) ((ds)->buf + ds_offset (ds))
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#define ds_left(ds) ((ds)->len - ds_offset (ds))
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#define DEBUG_DISASM 0
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// ugly globals but meh
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static R_TH_LOCAL ut64 emustack_min = 0LL;
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static R_TH_LOCAL ut64 emustack_max = 0LL;
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static const char* r_vline_a[] = {
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"|", // LINE_VERT
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"|-", // LINE_CROSS
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"-", // LINE_HORIZ
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":", // LINE_UP
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",", // LUP_CORNER
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"\\", // RDWN_CORNER
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"/", // RUP_CORNER
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"`", // LDWN_CORNER
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"->", // ARROW_RIGHT
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"=<", // ARROW_LEFT
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};
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static const char* r_vline_u[] = {
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"│", // LINE_VERT
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"├", // LINE_CROSS
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"─", // LINE_HORIZ
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"╎", // LINE_UP
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// "↑", // LINE_UP
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//"┌", // LUP_CORNER
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"┘", // LUP_CORNER
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"└", // RDWN_CORNER
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"┌", // RUP_CORNER
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"┐", // LDWN_CORNER
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">", // ARROW_RIGHT
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"<", // ARROW_LEFT
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};
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static const char* r_vline_uc[] = {
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"│", // LINE_VERT
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"├", // LINE_CROSS
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"─", // LINE_HORIZ
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// "↑", // LINE_UP
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"╎", // LINE_UP
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// "≀", // LINE_UP
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//"┌", // LUP_CORNER
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"╯", // LUP_CORNER
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"╰", // RDWN_CORNER
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"╭", // RUP_CORNER
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"╮", // LDWN_CORNER
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">", // ARROW_RIGHT
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"<", // ARROW_LEFT
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};
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#define DS_PRE_NONE 0
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#define DS_PRE_EMPTY 1
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#define DS_PRE_FCN_HEAD 2
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#define DS_PRE_FCN_MIDDLE 3
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#define DS_PRE_FCN_TAIL 4
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// TODO: what about using bit shifting and enum for keys? see libr/util/bitmap.c
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// the problem of this is that the fields will be more opaque to bindings, but we will earn some bits
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typedef struct {
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RCore *core;
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char str[1024], strsub[1024];
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bool immtrim;
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bool immstr;
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bool use_esil;
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bool show_color;
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bool show_color_bytes;
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bool show_color_args;
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bool colorop;
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int acase;
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bool capitalize;
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bool show_flgoff;
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bool hasMidflag;
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bool hasMidbb;
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int atabs;
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bool atabsonce;
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int atabsoff;
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int decode;
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bool pseudo;
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bool subnames;
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bool interactive;
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bool subjmp;
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bool subvar;
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bool show_lines;
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bool show_lines_bb;
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bool show_lines_ret;
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bool show_lines_call;
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bool show_lines_fcn;
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bool linesright;
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int tracespace;
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int cyclespace;
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int cmtfold;
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int show_indent;
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bool show_dwarf;
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bool show_size;
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bool show_trace;
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bool show_family;
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bool asm_describe;
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int linesout;
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int adistrick;
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bool asm_meta;
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bool asm_xrefs_code;
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int asm_demangle;
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bool asm_instr;
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bool show_offset;
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bool show_offdec; // dupe for r_print->flags
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bool show_bbline;
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bool show_emu;
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bool pre_emu;
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bool show_emu_str;
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bool show_emu_stroff;
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bool show_emu_strinv;
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bool show_emu_strflag;
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bool show_emu_stack;
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bool show_emu_write;
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bool show_optype;
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bool show_emu_strlea;
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bool show_emu_ssa;
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bool show_section;
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int show_section_col;
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bool flags_inline;
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bool show_section_perm;
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bool show_section_name;
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bool show_symbols;
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int show_symbols_col;
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bool show_offseg;
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bool show_flags;
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bool bblined;
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bool show_bytes;
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bool show_bytes_right;
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bool show_bytes_opcolor;
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bool show_reloff;
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bool show_reloff_flags;
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bool show_comments;
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bool show_usercomments;
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bool asm_hints;
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bool asm_hint_jmp;
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bool asm_hint_cdiv;
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bool asm_hint_call;
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bool asm_hint_call_indirect;
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bool asm_hint_lea;
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bool asm_hint_imm;
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bool asm_hint_emu;
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int asm_hint_pos;
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ut64 emuptr;
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bool show_slow;
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Sdb *ssa;
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int cmtcol;
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bool show_calls;
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bool show_cmtflgrefs;
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bool show_cmtesil;
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bool show_cycles;
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bool show_refptr;
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bool show_stackptr;
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int stackFd;
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bool show_xrefs;
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bool show_cmtrefs;
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const char *show_cmtoff;
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bool show_functions;
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bool show_marks;
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bool show_asciidot;
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RStrEnc strenc;
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int cursor;
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int show_comment_right_default;
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RSpace *flagspace_ports;
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bool show_flag_in_bytes;
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int lbytes;
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int show_comment_right;
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int pre;
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char *ocomment;
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int linesopts;
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int lastfail;
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int ocols;
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int lcols;
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int nb, nbytes;
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int show_utf8;
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int lines;
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int oplen;
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int vliw_count;
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bool show_varaccess;
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bool show_vars;
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bool show_fcnsig;
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bool hinted_line;
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int show_varsum;
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int midflags;
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bool midbb;
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bool midcursor;
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bool show_noisy_comments;
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ut64 asm_highlight;
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const char *pal_comment;
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const char *color_comment;
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const char *color_usrcmt;
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const char *color_fname;
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const char *color_floc;
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const char *color_fline;
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const char *color_flow;
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const char *color_flow2;
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const char *color_flag;
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const char *color_label;
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const char *color_offset;
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const char *color_other;
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const char *color_nop;
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const char *color_bin;
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const char *color_math;
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const char *color_btext;
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const char *color_jmp;
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const char *color_cjmp;
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const char *color_call;
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const char *color_cmp;
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const char *color_swi;
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const char *color_trap;
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const char *color_ret;
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const char *color_push;
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const char *color_pop;
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const char *color_reg;
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const char *color_num;
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const char *color_mov;
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const char *color_invalid;
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const char *color_gui_cflow;
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const char *color_gui_dataoffset;
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const char *color_gui_background;
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const char *color_gui_alt_background;
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const char *color_gui_border;
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const char *color_linehl;
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const char *color_func_var;
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const char *color_func_var_type;
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const char *color_func_var_addr;
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RFlagItem *lastflag;
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RAnalHint *hint;
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RPrint *print;
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ut64 esil_old_pc;
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ut8* esil_regstate;
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int esil_regstate_size;
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bool esil_likely;
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int count;
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int middle;
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int indent_level;
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int indent_space;
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char *line;
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char *line_col, *prev_line_col;
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char *refline, *refline2;
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char *comment;
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char *opstr;
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char *osl, *sl;
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int stackptr, ostackptr;
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int index, addrbytes;
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ut64 at, vat, addr, dest;
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int tries;
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bool count_bytes;
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char chref;
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RAsmOp asmop;
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RAnalOp analop;
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RAnalFunction *fcn;
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RAnalFunction *pdf;
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const ut8 *buf;
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int len;
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int maxrefs;
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int foldxrefs;
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char *prev_ins;
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bool prev_ins_eq;
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int prev_ins_count;
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bool show_nodup;
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bool has_description;
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// caches
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char *_tabsbuf;
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int _tabsoff;
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bool dwarfFile;
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bool dwarfAbspath;
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bool showpayloads;
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bool showrelocs;
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int cmtcount;
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bool asm_anal;
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ut64 printed_str_addr;
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ut64 printed_flag_addr;
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ut64 min_ref_addr;
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PJ *pj; // not null if printing json
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int buf_line_begin;
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const char *strip;
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int maxflags;
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int asm_types;
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} RDisasmState;
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static void ds_setup_print_pre(RDisasmState *ds, bool tail, bool middle);
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static void ds_setup_pre(RDisasmState *ds, bool tail, bool middle);
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static void ds_print_pre(RDisasmState *ds, bool fcnline);
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static void ds_pre_line(RDisasmState *ds);
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static void ds_begin_line(RDisasmState *ds);
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static void ds_newline(RDisasmState *ds);
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static void ds_begin_cont(RDisasmState *ds);
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static void ds_print_esil_anal(RDisasmState *ds);
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static void ds_reflines_init(RDisasmState *ds);
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static void ds_align_comment(RDisasmState *ds);
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static RDisasmState * ds_init(RCore *core);
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static void ds_build_op_str(RDisasmState *ds, bool print_color);
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static void ds_print_show_bytes(RDisasmState *ds);
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static void ds_pre_xrefs(RDisasmState *ds, bool no_fcnlines);
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static void ds_show_xrefs(RDisasmState *ds);
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static void ds_atabs_option(RDisasmState *ds);
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static void ds_show_functions(RDisasmState *ds);
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static void ds_control_flow_comments(RDisasmState *ds);
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static void ds_adistrick_comments(RDisasmState *ds);
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// TODO: if those two functions do the same should be unified
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static void ds_print_comments_right(RDisasmState *ds);
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static void ds_show_comments_right(RDisasmState *ds);
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static void ds_show_flags(RDisasmState *ds, bool overlapped);
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static void ds_update_ref_lines(RDisasmState *ds);
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static int ds_disassemble(RDisasmState *ds, ut8 *buf, int len);
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static void ds_print_lines_right(RDisasmState *ds);
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static void ds_print_lines_left(RDisasmState *ds);
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static void ds_print_cycles(RDisasmState *ds);
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static void ds_print_family(RDisasmState *ds);
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static void ds_print_stackptr(RDisasmState *ds);
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static void ds_print_offset(RDisasmState *ds);
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static void ds_print_op_size(RDisasmState *ds);
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static void ds_print_trace(RDisasmState *ds);
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static void ds_print_opstr(RDisasmState *ds);
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static void ds_print_color_reset(RDisasmState *ds);
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static int ds_print_middle(RDisasmState *ds, int ret);
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static bool ds_print_labels(RDisasmState *ds, RAnalFunction *f);
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static void ds_print_sysregs(RDisasmState *ds);
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static void ds_print_fcn_name(RDisasmState *ds);
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static void ds_print_as_string(RDisasmState *ds);
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static bool ds_print_core_vmode(RDisasmState *ds, int pos);
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static void ds_print_dwarf(RDisasmState *ds);
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static void ds_print_asmop_payload(RDisasmState *ds, const ut8 *buf);
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static char *ds_esc_str(RDisasmState *ds, const char *str, int len, const char **prefix_out, bool is_comment);
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static void ds_print_ptr(RDisasmState *ds, int len, int idx);
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static void ds_print_demangled(RDisasmState *ds);
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static void ds_print_str(RDisasmState *ds, const char *str, int len, ut64 refaddr);
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static char *ds_sub_jumps(RDisasmState *ds, char *str);
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static void ds_start_line_highlight(RDisasmState *ds);
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static void ds_end_line_highlight(RDisasmState *ds);
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static bool line_highlighted(RDisasmState *ds);
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static int ds_print_shortcut(RDisasmState *ds, ut64 addr, int pos);
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R_API ut64 r_core_pava(RCore *core, ut64 addr) {
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if (core->print->pava) {
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RIOMap *map = r_io_map_get_paddr (core->io, addr);
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if (map) {
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return addr - map->delta + r_io_map_begin (map);
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}
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}
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return addr;
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}
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static RAnalFunction *fcnIn(RDisasmState *ds, ut64 at, int type) {
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if (ds->fcn && r_anal_function_contains (ds->fcn, at)) {
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return ds->fcn;
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}
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return r_anal_get_fcn_in (ds->core->anal, at, type);
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}
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static const char *get_utf8_char(const char line, RDisasmState *ds) {
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switch (line) {
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case '<': return ds->core->cons->vline[ARROW_LEFT];
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case '>': return ds->core->cons->vline[ARROW_RIGHT];
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case ':': return ds->core->cons->vline[LINE_UP];
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case '|': return ds->core->cons->vline[LINE_VERT];
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case '=':
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case '-': return ds->core->cons->vline[LINE_HORIZ];
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case ',': return ds->core->cons->vline[CORNER_TL];
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case '.': return ds->core->cons->vline[CORNER_TR];
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case '`': return ds->core->cons->vline[CORNER_BL];
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default: return " ";
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}
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}
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static void ds_print_ref_lines(char *line, char *line_col, RDisasmState *ds) {
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int i;
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int len = strlen (line);
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if (ds->core->cons->use_utf8 || ds->linesopts & R_ANAL_REFLINE_TYPE_UTF8) {
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if (ds->show_color) {
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for (i = 0; i < len; i++) {
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if (line[i] == ' ') {
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r_cons_printf (" ");
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continue;
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}
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const char *flow_tint = (line_col[i] == 'd')? COLOR (ds, color_flow): COLOR (ds, color_flow2);
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r_cons_printf ("%s%s%s", flow_tint, get_utf8_char (line[i], ds), COLOR_RESET (ds));
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}
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} else {
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len = strlen (line);
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for (i = 0; i < len; i++) {
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r_cons_printf ("%s", get_utf8_char (line[i], ds));
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}
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}
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} else {
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if (ds->show_color) {
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for (i = 0; i < len; i++) {
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if (line[i] == ' ') {
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r_cons_printf (" ");
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continue;
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}
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const char *flow_tint = (line_col[i] == 'd')? COLOR (ds, color_flow): COLOR (ds, color_flow2);
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r_cons_printf ("%s%c%s", flow_tint, line[i], COLOR_RESET (ds));
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}
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} else {
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r_cons_printf ("%s", line);
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}
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}
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}
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static void get_bits_comment(RCore *core, RAnalFunction *f, char *cmt, int cmt_size) {
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if (core && f && cmt && cmt_size > 0 && f->bits && f->bits != core->rasm->config->bits) {
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const char *asm_arch = r_config_get (core->config, "asm.arch");
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if (asm_arch && *asm_arch && strstr (asm_arch, "arm")) {
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switch (f->bits) {
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case 16: strcpy (cmt, " (thumb)"); break;
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case 32: strcpy (cmt, " (arm)"); break;
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case 64: strcpy (cmt, " (aarch64)"); break;
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}
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} else {
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snprintf (cmt, cmt_size, " (%d bits)", f->bits);
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}
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} else {
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if (cmt) {
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cmt[0] = 0;
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}
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}
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}
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R_API const char *r_core_get_section_name(RCore *core, ut64 addr) {
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static R_TH_LOCAL char section[128] = "";
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static R_TH_LOCAL ut64 oaddr = UT64_MAX;
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if (oaddr == addr) {
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return section;
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}
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if (r_config_get_b (core->config, "cfg.debug")) {
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char *rv = r_core_cmd_strf (core, "dmi.@0x%08"PFMT64x, addr);
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if (rv) {
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r_str_replace_char (rv, '\n', ' ');
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r_str_ncpy (section, rv, sizeof (section) - 1);
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return section;
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}
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return NULL;
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}
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RBinObject *bo = r_bin_cur_object (core->bin);
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RBinSection *s = bo? r_bin_get_section_at (bo, addr, core->io->va): NULL;
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if (s && s->name && *s->name) {
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snprintf (section, sizeof (section) - 1, "%10s ", s->name);
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} else {
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RListIter *iter;
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RDebugMap *map;
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*section = 0;
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r_list_foreach (core->dbg->maps, iter, map) {
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if (addr >= map->addr && addr < map->addr_end) {
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const char *mn = r_str_lchr (map->name, '/');
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r_str_ncpy (section, mn? mn + 1: map->name, sizeof (section));
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break;
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}
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}
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}
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oaddr = addr;
|
|
return section;
|
|
}
|
|
|
|
static void ds_comment_align(RDisasmState *ds) {
|
|
if (ds->show_comment_right) {
|
|
if (ds->show_color) {
|
|
r_cons_print (ds->pal_comment);
|
|
}
|
|
return;
|
|
}
|
|
const char *sn = ds->show_section ? r_core_get_section_name (ds->core, ds->at) : "";
|
|
ds_align_comment (ds);
|
|
r_cons_print (COLOR_RESET (ds));
|
|
ds_print_pre (ds, true);
|
|
r_cons_printf ("%s", sn);
|
|
ds_print_ref_lines (ds->refline, ds->line_col, ds);
|
|
r_cons_printf (" %s", COLOR (ds, color_comment));
|
|
}
|
|
|
|
static void ds_comment_lineup(RDisasmState *ds) {
|
|
ds_comment_align (ds);
|
|
}
|
|
|
|
static void ds_comment_(RDisasmState *ds, bool align, bool nl, const char *format, va_list ap) {
|
|
char *s = r_str_newvf (format, ap);
|
|
char *p = s;
|
|
bool multiline = strchr (p, '\n');
|
|
bool first = true;
|
|
while (true) {
|
|
char *nl = strchr (p, '\n');
|
|
if (nl) {
|
|
*nl = 0;
|
|
}
|
|
if (ds->show_comments) {
|
|
if (ds->show_comment_right && align) {
|
|
ds_align_comment (ds);
|
|
}
|
|
}
|
|
r_cons_printf ("%s", COLOR (ds, color_comment));
|
|
if (multiline) {
|
|
if (!first) {
|
|
ds_begin_line (ds);
|
|
//ds_print_labels (ds, f);
|
|
ds_setup_print_pre (ds, false, false);
|
|
ds_print_lines_left (ds);
|
|
//core->print->resetbg = (ds->asm_highlight == UT64_MAX);
|
|
r_cons_print ("; ");
|
|
}
|
|
}
|
|
r_cons_print (p);
|
|
if (!nl) {
|
|
break;
|
|
}
|
|
if (!ds->show_comment_right && nl) {
|
|
r_cons_newline ();
|
|
}
|
|
first = false;
|
|
p = nl + 1;
|
|
}
|
|
free (s);
|
|
if (!ds->show_comment_right && nl) {
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
|
|
static void ds_comment(RDisasmState *ds, bool align, const char *format, ...) {
|
|
va_list ap;
|
|
va_start (ap, format);
|
|
ds->cmtcount++;
|
|
ds_comment_ (ds, align, align, format, ap);
|
|
va_end (ap);
|
|
}
|
|
|
|
#define DS_COMMENT_FUNC(name, align, nl) \
|
|
static void ds_comment_##name(RDisasmState *ds, const char *format, ...) { \
|
|
va_list ap; \
|
|
va_start (ap, format); \
|
|
ds_comment_ (ds, align, nl, format, ap); \
|
|
va_end (ap); \
|
|
}
|
|
|
|
DS_COMMENT_FUNC (start, true, false)
|
|
DS_COMMENT_FUNC (middle, false, false)
|
|
DS_COMMENT_FUNC (end, false, true)
|
|
|
|
static void ds_comment_esil(RDisasmState *ds, bool up, bool end, const char *format, ...) {
|
|
va_list ap;
|
|
va_start (ap, format);
|
|
|
|
if (ds->show_comments && up) {
|
|
ds->show_comment_right ? ds_align_comment (ds) : ds_comment_lineup (ds);
|
|
}
|
|
r_cons_printf_list (format, ap);
|
|
va_end (ap);
|
|
|
|
if (ds->show_comments && !ds->show_comment_right) {
|
|
if (end) {
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_print_esil_anal_fini(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
if (ds->show_emu && ds->esil_regstate) {
|
|
RCore* core = ds->core;
|
|
core->anal->last_disasm_reg = r_reg_arena_peek (core->anal->reg, &core->anal->last_disasm_reg_size);
|
|
const char *pc = r_reg_get_name (core->anal->reg, R_REG_NAME_PC);
|
|
RRegSet *regset = r_reg_regset_get (ds->core->anal->reg, R_REG_TYPE_GPR);
|
|
if (ds->esil_regstate_size == regset->arena->size) {
|
|
r_reg_arena_poke (core->anal->reg, ds->esil_regstate, ds->esil_regstate_size);
|
|
}
|
|
r_reg_setv (core->anal->reg, pc, ds->esil_old_pc);
|
|
R_FREE (ds->esil_regstate);
|
|
}
|
|
if (core && core->anal && core->anal->esil) {
|
|
// make sure to remove reference to ds to avoid UAF
|
|
core->anal->esil->user = NULL;
|
|
}
|
|
}
|
|
|
|
static RDisasmState *ds_init(RCore *core) {
|
|
RDisasmState *ds = R_NEW0 (RDisasmState);
|
|
if (!ds) {
|
|
return NULL;
|
|
}
|
|
ds->core = core;
|
|
ds->addrbytes = core->io->addrbytes;
|
|
ds->strip = r_config_get (core->config, "asm.strip");
|
|
ds->pal_comment = core->cons->context->pal.comment;
|
|
#define P(x) (core->cons && core->cons->context->pal.x)? core->cons->context->pal.x
|
|
ds->color_comment = P(comment): Color_CYAN;
|
|
ds->color_usrcmt = P(usercomment): Color_CYAN;
|
|
ds->color_fname = P(fname): Color_RED;
|
|
ds->color_floc = P(floc): Color_MAGENTA;
|
|
ds->color_fline = P(fline): Color_CYAN;
|
|
ds->color_flow = P(flow): Color_CYAN;
|
|
ds->color_flow2 = P(flow2): Color_BLUE;
|
|
ds->color_flag = P(flag): Color_CYAN;
|
|
ds->color_label = P(label): Color_CYAN;
|
|
ds->color_offset = P(offset): Color_GREEN;
|
|
ds->color_other = P(other): Color_WHITE;
|
|
ds->color_nop = P(nop): Color_BLUE;
|
|
ds->color_bin = P(bin): Color_YELLOW;
|
|
ds->color_math = P(math): Color_YELLOW;
|
|
ds->color_btext = P(btext): Color_YELLOW;
|
|
ds->color_jmp = P(jmp): Color_GREEN;
|
|
ds->color_cjmp = P(cjmp): Color_GREEN;
|
|
ds->color_call = P(call): Color_BGREEN;
|
|
ds->color_cmp = P(cmp): Color_MAGENTA;
|
|
ds->color_swi = P(swi): Color_MAGENTA;
|
|
ds->color_trap = P(trap): Color_BRED;
|
|
ds->color_ret = P(ret): Color_RED;
|
|
ds->color_push = P(push): Color_YELLOW;
|
|
ds->color_pop = P(pop): Color_BYELLOW;
|
|
ds->color_reg = P(reg): Color_YELLOW;
|
|
ds->color_num = P(num): Color_CYAN;
|
|
ds->color_mov = P(mov): Color_WHITE;
|
|
ds->color_invalid = P(invalid): Color_BRED;
|
|
ds->color_gui_cflow = P(gui_cflow): Color_YELLOW;
|
|
ds->color_gui_dataoffset = P(gui_dataoffset): Color_YELLOW;
|
|
ds->color_gui_background = P(gui_background): Color_BLACK;
|
|
ds->color_gui_alt_background = P(gui_alt_background): Color_GRAY;
|
|
ds->color_gui_border = P(gui_border): Color_BGGRAY;
|
|
ds->color_linehl = P(linehl): Color_BGBLUE;
|
|
ds->color_func_var = P(func_var): Color_WHITE;
|
|
ds->color_func_var_type = P(func_var_type): Color_BLUE;
|
|
ds->color_func_var_addr = P(func_var_addr): Color_CYAN;
|
|
|
|
ds->immstr = r_config_get_i (core->config, "asm.imm.str");
|
|
ds->immtrim = r_config_get_i (core->config, "asm.imm.trim");
|
|
ds->use_esil = r_config_get_i (core->config, "asm.esil");
|
|
ds->pre_emu = r_config_get_i (core->config, "emu.pre");
|
|
ds->show_flgoff = r_config_get_i (core->config, "asm.flags.offset");
|
|
ds->show_nodup = r_config_get_i (core->config, "asm.nodup");
|
|
const char *ah = r_config_get (core->config, "asm.highlight");
|
|
ds->asm_highlight = R_STR_ISNOTEMPTY (ah)? r_num_math (core->num, ah): UT64_MAX;
|
|
ds->asm_anal = r_config_get_i (core->config, "asm.anal");
|
|
ds->show_color = r_config_get_i (core->config, "scr.color");
|
|
ds->show_color_bytes = r_config_get_i (core->config, "scr.color.bytes");
|
|
ds->show_color_args = r_config_get_i (core->config, "scr.color.args");
|
|
ds->colorop = r_config_get_b (core->config, "scr.color.ops");
|
|
R_LOG_TODO ("find a better name for 'scr.color.ops'");
|
|
ds->show_utf8 = r_config_get_i (core->config, "scr.utf8");
|
|
ds->acase = r_config_get_i (core->config, "asm.ucase");
|
|
ds->capitalize = r_config_get_i (core->config, "asm.capitalize");
|
|
ds->atabs = r_config_get_i (core->config, "asm.tabs");
|
|
ds->atabsonce = r_config_get_b (core->config, "asm.tabs.once");
|
|
ds->atabsoff = r_config_get_i (core->config, "asm.tabs.off");
|
|
ds->midflags = r_config_get_i (core->config, "asm.flags.middle");
|
|
ds->midbb = r_config_get_i (core->config, "asm.bbmiddle");
|
|
ds->midcursor = r_config_get_i (core->config, "asm.midcursor");
|
|
ds->decode = r_config_get_i (core->config, "asm.decode");
|
|
core->parser->pseudo = ds->pseudo = r_config_get_b (core->config, "asm.pseudo");
|
|
if (ds->pseudo) {
|
|
ds->atabs = 0;
|
|
}
|
|
ds->subnames = r_config_get_b (core->config, "asm.sub.names");
|
|
ds->interactive = r_cons_is_interactive ();
|
|
ds->subjmp = r_config_get_b (core->config, "asm.sub.jmp");
|
|
ds->subvar = r_config_get_b (core->config, "asm.sub.var");
|
|
core->parser->subrel = r_config_get_b (core->config, "asm.sub.rel");
|
|
core->parser->subreg = r_config_get_b (core->config, "asm.sub.reg");
|
|
core->parser->localvar_only = r_config_get_b (core->config, "asm.sub.varonly");
|
|
core->parser->retleave_asm = NULL;
|
|
ds->show_fcnsig = r_config_get_i (core->config, "asm.fcnsig");
|
|
ds->show_vars = r_config_get_i (core->config, "asm.var");
|
|
ds->show_varsum = r_config_get_i (core->config, "asm.var.summary");
|
|
ds->show_varaccess = r_config_get_i (core->config, "asm.var.access");
|
|
ds->maxrefs = r_config_get_i (core->config, "asm.xrefs.max");
|
|
ds->maxflags = r_config_get_i (core->config, "asm.flags.limit");
|
|
ds->flags_inline = r_config_get_i (core->config, "asm.flags.inline");
|
|
ds->asm_types = r_config_get_i (core->config, "asm.types");
|
|
ds->foldxrefs = r_config_get_i (core->config, "asm.xrefs.fold");
|
|
ds->show_lines = r_config_get_b (core->config, "asm.lines");
|
|
ds->show_lines_bb = ds->show_lines ? r_config_get_b (core->config, "asm.lines.jmp") : false;
|
|
ds->linesright = r_config_get_i (core->config, "asm.lines.right");
|
|
ds->show_indent = r_config_get_i (core->config, "asm.indent");
|
|
ds->indent_space = r_config_get_i (core->config, "asm.indentspace");
|
|
ds->tracespace = r_config_get_i (core->config, "asm.trace.space");
|
|
ds->cyclespace = r_config_get_i (core->config, "asm.cyclespace");
|
|
ds->show_dwarf = r_config_get_i (core->config, "asm.dwarf");
|
|
ds->dwarfFile = r_config_get_i (ds->core->config, "asm.dwarf.file");
|
|
ds->dwarfAbspath = r_config_get_i (ds->core->config, "asm.dwarf.abspath");
|
|
ds->show_lines_call = ds->show_lines ? r_config_get_i (core->config, "asm.lines.call") : false;
|
|
ds->show_lines_ret = ds->show_lines ? r_config_get_i (core->config, "asm.lines.ret") : false;
|
|
ds->show_size = r_config_get_i (core->config, "asm.size");
|
|
ds->show_trace = r_config_get_b (core->config, "asm.trace");
|
|
ds->linesout = r_config_get_i (core->config, "asm.lines.out");
|
|
ds->adistrick = r_config_get_i (core->config, "asm.middle"); // TODO: find better name
|
|
ds->asm_demangle = r_config_get_i (core->config, "asm.demangle");
|
|
ds->asm_describe = r_config_get_i (core->config, "asm.describe");
|
|
ds->show_offset = r_config_get_i (core->config, "asm.offset");
|
|
ds->show_offdec = r_config_get_i (core->config, "asm.offset.base10");
|
|
ds->show_bbline = r_config_get_i (core->config, "asm.lines.bb");
|
|
ds->show_section = r_config_get_i (core->config, "asm.section");
|
|
ds->show_section_col = r_config_get_i (core->config, "asm.section.col");
|
|
ds->show_section_perm = r_config_get_i (core->config, "asm.section.perm");
|
|
ds->show_section_name = r_config_get_i (core->config, "asm.section.name");
|
|
ds->show_symbols = r_config_get_i (core->config, "asm.symbol");
|
|
ds->show_symbols_col = r_config_get_i (core->config, "asm.symbol.col");
|
|
ds->asm_instr = r_config_get_i (core->config, "asm.instr");
|
|
ds->show_emu = r_config_get_b (core->config, "asm.emu");
|
|
ds->show_emu_str = r_config_get_b (core->config, "emu.str");
|
|
ds->show_emu_stroff = r_config_get_i (core->config, "emu.str.off");
|
|
ds->show_emu_strinv = r_config_get_i (core->config, "emu.str.inv");
|
|
ds->show_emu_strflag = r_config_get_i (core->config, "emu.str.flag");
|
|
ds->show_emu_strlea = r_config_get_i (core->config, "emu.str.lea");
|
|
ds->show_emu_write = r_config_get_i (core->config, "emu.write");
|
|
ds->show_emu_ssa = r_config_get_i (core->config, "emu.ssa");
|
|
ds->show_emu_stack = r_config_get_i (core->config, "emu.stack");
|
|
ds->stackFd = -1;
|
|
if (ds->show_emu_stack) {
|
|
// TODO: initialize fake stack in here
|
|
const char *uri = "malloc://32K";
|
|
ut64 size = r_num_get (core->num, "32K");
|
|
ut64 addr = r_reg_getv (core->anal->reg, "SP") - (size / 2);
|
|
emustack_min = addr;
|
|
emustack_max = addr + size;
|
|
ds->stackFd = r_io_fd_open (core->io, uri, R_PERM_RW, 0);
|
|
RIOMap *map = r_io_map_add (core->io, ds->stackFd, R_PERM_RW, 0LL, addr, size);
|
|
if (!map) {
|
|
r_io_fd_close (core->io, ds->stackFd);
|
|
R_LOG_ERROR ("Cannot create map for tha stack, fd %d got closed again", ds->stackFd);
|
|
ds->stackFd = -1;
|
|
} else {
|
|
r_io_map_set_name (map, "fake.stack");
|
|
}
|
|
}
|
|
ds->stackptr = core->anal->stackptr;
|
|
ds->show_offseg = r_config_get_b (core->config, "asm.offset.segment");
|
|
ds->show_flags = r_config_get_b (core->config, "asm.flags");
|
|
ds->show_bytes = r_config_get_b (core->config, "asm.bytes");
|
|
ds->show_bytes_right = r_config_get_i (core->config, "asm.bytes.right");
|
|
ds->show_bytes_opcolor = r_config_get_i (core->config, "asm.bytes.opcolor");
|
|
ds->show_optype = r_config_get_i (core->config, "asm.optype");
|
|
ds->asm_meta = r_config_get_i (core->config, "asm.meta");
|
|
ds->asm_xrefs_code = r_config_get_i (core->config, "asm.xrefs.code");
|
|
ds->show_reloff = r_config_get_i (core->config, "asm.offset.relative");
|
|
ds->show_reloff_flags = r_config_get_i (core->config, "asm.offset.flags");
|
|
ds->show_lines_fcn = ds->show_lines ? r_config_get_i (core->config, "asm.lines.fcn") : false;
|
|
ds->show_comments = r_config_get_i (core->config, "asm.comments");
|
|
ds->show_usercomments = r_config_get_i (core->config, "asm.usercomments");
|
|
ds->asm_hint_jmp = r_config_get_i (core->config, "asm.hint.jmp");
|
|
ds->asm_hint_call = r_config_get_i (core->config, "asm.hint.call");
|
|
ds->asm_hint_call_indirect = r_config_get_i (core->config, "asm.hint.call.indirect");
|
|
ds->asm_hint_lea = r_config_get_i (core->config, "asm.hint.lea");
|
|
ds->asm_hint_imm = r_config_get_i (core->config, "asm.hint.imm");
|
|
ds->asm_hint_emu = r_config_get_i (core->config, "asm.hint.emu");
|
|
ds->asm_hint_cdiv = r_config_get_i (core->config, "asm.hint.cdiv");
|
|
ds->asm_hint_pos = r_config_get_i (core->config, "asm.hint.pos");
|
|
ds->asm_hints = r_config_get_i (core->config, "asm.hints"); // only for cdiv wtf
|
|
ds->show_slow = r_config_get_i (core->config, "asm.slow");
|
|
ds->show_refptr = r_config_get_i (core->config, "asm.refptr");
|
|
ds->show_calls = r_config_get_i (core->config, "asm.calls");
|
|
ds->show_family = r_config_get_i (core->config, "asm.family");
|
|
ds->cmtcol = r_config_get_i (core->config, "asm.cmt.col");
|
|
ds->show_cmtesil = r_config_get_i (core->config, "asm.cmt.esil");
|
|
ds->show_cmtflgrefs = r_config_get_i (core->config, "asm.cmt.flgrefs");
|
|
ds->show_cycles = r_config_get_i (core->config, "asm.cycles");
|
|
ds->show_stackptr = r_config_get_i (core->config, "asm.stackptr");
|
|
ds->show_xrefs = r_config_get_b (core->config, "asm.xrefs");
|
|
ds->show_cmtrefs = r_config_get_i (core->config, "asm.cmt.refs");
|
|
ds->cmtfold = r_config_get_i (core->config, "asm.cmt.fold");
|
|
ds->show_cmtoff = r_config_get (core->config, "asm.cmt.off");
|
|
if (!ds->show_cmtoff) {
|
|
ds->show_cmtoff = "nodup";
|
|
}
|
|
ds->show_functions = r_config_get_b (core->config, "asm.functions");
|
|
ds->nbytes = r_config_get_i (core->config, "asm.nbytes");
|
|
ds->show_asciidot = !strcmp (core->print->strconv_mode, "asciidot");
|
|
const char *strenc_str = r_config_get (core->config, "bin.str.enc");
|
|
if (!strenc_str) {
|
|
ds->strenc = R_STRING_ENC_GUESS;
|
|
} else if (!strcmp (strenc_str, "latin1")) {
|
|
ds->strenc = R_STRING_ENC_LATIN1;
|
|
} else if (!strcmp (strenc_str, "utf8")) {
|
|
ds->strenc = R_STRING_ENC_UTF8;
|
|
} else if (!strcmp (strenc_str, "utf16le")) {
|
|
ds->strenc = R_STRING_ENC_UTF16LE;
|
|
} else if (!strcmp (strenc_str, "utf32le")) {
|
|
ds->strenc = R_STRING_ENC_UTF32LE;
|
|
} else if (!strcmp (strenc_str, "utf16be")) {
|
|
ds->strenc = R_STRING_ENC_UTF16BE;
|
|
} else if (!strcmp (strenc_str, "utf32be")) {
|
|
ds->strenc = R_STRING_ENC_UTF32BE;
|
|
} else {
|
|
ds->strenc = R_STRING_ENC_GUESS;
|
|
}
|
|
core->print->bytespace = r_config_get_i (core->config, "asm.bytes.space");
|
|
ds->cursor = 0;
|
|
ds->nb = 0;
|
|
ds->flagspace_ports = r_flag_space_get (core->flags, "ports");
|
|
ds->lbytes = r_config_get_i (core->config, "asm.lbytes");
|
|
ds->show_comment_right_default = r_config_get_b (core->config, "asm.cmt.right");
|
|
ds->show_comment_right = ds->show_comment_right_default;
|
|
ds->show_flag_in_bytes = r_config_get_i (core->config, "asm.flags.inbytes");
|
|
ds->show_marks = r_config_get_i (core->config, "asm.marks");
|
|
ds->show_noisy_comments = r_config_get_i (core->config, "asm.noisy");
|
|
ds->pre = DS_PRE_NONE;
|
|
ds->ocomment = NULL;
|
|
ds->linesopts = 0;
|
|
ds->lastfail = 0;
|
|
ds->ocols = 0;
|
|
ds->lcols = 0;
|
|
ds->printed_str_addr = UT64_MAX;
|
|
ds->printed_flag_addr = UT64_MAX;
|
|
|
|
ds->esil_old_pc = UT64_MAX;
|
|
ds->esil_regstate = NULL;
|
|
ds->esil_likely = false;
|
|
|
|
ds->showpayloads = r_config_get_i (ds->core->config, "asm.payloads");
|
|
ds->showrelocs = r_config_get_i (core->config, "bin.relocs");
|
|
ds->min_ref_addr = r_config_get_i (core->config, "asm.sub.varmin");
|
|
|
|
if (ds->show_flag_in_bytes) {
|
|
ds->show_flags = false;
|
|
}
|
|
if (r_config_get_i (core->config, "asm.lines.wide")) {
|
|
ds->linesopts |= R_ANAL_REFLINE_TYPE_WIDE;
|
|
}
|
|
if (core->cons->vline) {
|
|
if (ds->show_utf8) {
|
|
ds->linesopts |= R_ANAL_REFLINE_TYPE_UTF8;
|
|
}
|
|
}
|
|
if (ds->show_lines_bb) {
|
|
ds->ocols += 10; // XXX
|
|
}
|
|
if (ds->show_offset) {
|
|
ds->ocols += 14;
|
|
}
|
|
ds->lcols = ds->ocols + 2;
|
|
if (ds->show_bytes) {
|
|
ds->ocols += 20;
|
|
}
|
|
if (ds->show_trace) {
|
|
ds->ocols += 8;
|
|
}
|
|
if (ds->show_stackptr) {
|
|
ds->ocols += 4;
|
|
}
|
|
/* disasm */ ds->ocols += 20;
|
|
ds->nb = ds->nbytes? (1 + ds->nbytes * 2): 0;
|
|
ds->tries = 3;
|
|
if (core->print->cur_enabled) {
|
|
if (core->print->cur < 0) {
|
|
core->print->cur = 0;
|
|
}
|
|
ds->cursor = core->print->cur;
|
|
} else {
|
|
ds->cursor = -1;
|
|
}
|
|
if (r_config_get_i (core->config, "asm.lines.wide")) {
|
|
ds->linesopts |= R_ANAL_REFLINE_TYPE_WIDE;
|
|
}
|
|
if (core->cons->vline) {
|
|
if (ds->show_utf8) {
|
|
ds->linesopts |= R_ANAL_REFLINE_TYPE_UTF8;
|
|
}
|
|
}
|
|
return ds;
|
|
}
|
|
|
|
static R_TH_LOCAL ut64 lastaddr = UT64_MAX;
|
|
|
|
static void ds_reflines_fini(RDisasmState *ds) {
|
|
RAnal *anal = ds->core->anal;
|
|
r_list_free (anal->reflines);
|
|
anal->reflines = NULL;
|
|
R_FREE (ds->refline);
|
|
R_FREE (ds->refline2);
|
|
R_FREE (ds->prev_line_col);
|
|
}
|
|
|
|
static void ds_reflines_init(RDisasmState *ds) {
|
|
RAnal *anal = ds->core->anal;
|
|
|
|
lastaddr = UT64_MAX;
|
|
|
|
if (ds->show_lines_bb || ds->pj) {
|
|
ds_reflines_fini (ds);
|
|
anal->reflines = r_anal_reflines_get (anal,
|
|
ds->addr, ds->buf, ds->len, ds->count,
|
|
ds->linesout, ds->show_lines_call);
|
|
} else {
|
|
r_list_free (anal->reflines);
|
|
anal->reflines = NULL;
|
|
}
|
|
}
|
|
|
|
static void ds_free(RDisasmState *ds) {
|
|
if (!ds) {
|
|
return;
|
|
}
|
|
if (ds->show_emu_stack) {
|
|
R_LOG_TODO ("destroy fake stack");
|
|
if (ds->stackFd != -1) {
|
|
r_io_fd_close (ds->core->io, ds->stackFd);
|
|
}
|
|
}
|
|
r_asm_op_fini (&ds->asmop);
|
|
r_anal_op_fini (&ds->analop);
|
|
r_anal_hint_free (ds->hint);
|
|
ds_print_esil_anal_fini (ds);
|
|
ds_reflines_fini (ds);
|
|
ds_print_esil_anal_fini (ds);
|
|
sdb_free (ds->ssa);
|
|
free (ds->comment);
|
|
free (ds->line);
|
|
free (ds->line_col);
|
|
free (ds->refline);
|
|
free (ds->refline2);
|
|
free (ds->prev_line_col);
|
|
free (ds->opstr);
|
|
free (ds->osl);
|
|
free (ds->sl);
|
|
free (ds->_tabsbuf);
|
|
R_FREE (ds);
|
|
}
|
|
|
|
/* XXX move to r_print */
|
|
static char *colorize_asm_string(RCore *core, RDisasmState *ds, bool print_color) {
|
|
char *source = ds->opstr? ds->opstr: r_asm_op_get_asm (&ds->asmop);
|
|
const char *hlstr = r_meta_get_string (ds->core->anal, R_META_TYPE_HIGHLIGHT, ds->at);
|
|
bool partial_reset = line_highlighted (ds) ? true : ((hlstr && *hlstr) ? true : false);
|
|
RAnalFunction *f = ds->show_color_args ? fcnIn (ds, ds->vat, R_ANAL_FCN_TYPE_NULL) : NULL;
|
|
if (!ds->asm_meta && *source == '.') {
|
|
return strdup (source);
|
|
}
|
|
if (!ds->show_color || !ds->colorop) {
|
|
return strdup (source);
|
|
}
|
|
|
|
if (print_color) {
|
|
r_cons_strcat (r_print_color_op_type (core->print, ds->analop.type));
|
|
}
|
|
// workaround dummy colorizer in case of paired commands (tms320 & friends)
|
|
char *spacer = strstr (source, "||");
|
|
if (spacer) {
|
|
char *scol1, *s1 = r_str_ndup (source, spacer - source);
|
|
char *scol2, *s2 = strdup (spacer + 2);
|
|
|
|
scol1 = r_print_colorize_opcode (ds->core->print, s1, ds->color_reg, ds->color_num, partial_reset, f ? f->addr : 0);
|
|
free (s1);
|
|
scol2 = r_print_colorize_opcode (ds->core->print, s2, ds->color_reg, ds->color_num, partial_reset, f ? f->addr : 0);
|
|
free (s2);
|
|
if (!scol1) {
|
|
scol1 = strdup ("");
|
|
}
|
|
if (!scol2) {
|
|
scol2 = strdup ("");
|
|
}
|
|
source = r_str_newf ("%s||%s", scol1, scol2);
|
|
free (scol1);
|
|
free (scol2);
|
|
return source;
|
|
}
|
|
return r_print_colorize_opcode (ds->core->print, source, ds->color_reg, ds->color_num, partial_reset, f ? f->addr : 0);
|
|
}
|
|
|
|
static bool ds_must_strip(RDisasmState *ds) {
|
|
if (ds && ds->strip && *ds->strip) {
|
|
const char * optype = r_anal_optype_to_string (ds->analop.type);
|
|
if (optype && *optype) {
|
|
return strstr (ds->strip, optype);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static void ds_highlight_word(RDisasmState *ds, char *word, char *color) {
|
|
char *source = ds->opstr? ds->opstr: r_asm_op_get_asm (&ds->asmop);
|
|
const char *color_reset = line_highlighted (ds) ? ds->color_linehl : Color_RESET_BG;
|
|
char *asm_str = r_str_highlight (source, word, color, color_reset);
|
|
ds->opstr = asm_str? asm_str: source;
|
|
}
|
|
|
|
static void __replaceImports(RDisasmState *ds) {
|
|
if (ds->core->anal->imports) {
|
|
char *imp;
|
|
RListIter *iter;
|
|
r_list_foreach (ds->core->anal->imports, iter, imp) {
|
|
ds->opstr = r_str_replace (ds->opstr, imp, ".", 1);
|
|
}
|
|
}
|
|
if (ds->fcn && ds->fcn->imports) {
|
|
char *imp;
|
|
RListIter *iter;
|
|
r_list_foreach (ds->fcn->imports, iter, imp) {
|
|
ds->opstr = r_str_replace (ds->opstr, imp, ".", 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *get_op_ireg(void *user, ut64 addr) {
|
|
RCore *core = (RCore *)user;
|
|
char *res = NULL;
|
|
RAnalOp *op = r_core_anal_op (core, addr, 0);
|
|
if (op && op->ireg) {
|
|
res = strdup (op->ireg);
|
|
}
|
|
r_anal_op_free (op);
|
|
return res;
|
|
}
|
|
|
|
static st64 get_ptr_at(RAnalFunction *fcn, st64 delta, ut64 addr) {
|
|
return r_anal_function_get_var_stackptr_at (fcn, delta, addr);
|
|
}
|
|
|
|
static const char *get_reg_at(RAnalFunction *fcn, st64 delta, ut64 addr) {
|
|
return r_anal_function_get_var_reg_at (fcn, delta, addr);
|
|
}
|
|
|
|
static void ds_build_op_str(RDisasmState *ds, bool print_color) {
|
|
RCore *core = ds->core;
|
|
const bool be = core->rasm->config->big_endian;
|
|
if (ds->use_esil) {
|
|
free (ds->opstr);
|
|
if (*R_STRBUF_SAFEGET (&ds->analop.esil)) {
|
|
ds->opstr = strdup (R_STRBUF_SAFEGET (&ds->analop.esil));
|
|
} else {
|
|
ds->opstr = strdup (",");
|
|
}
|
|
return;
|
|
}
|
|
if (ds->decode) {
|
|
free (ds->opstr);
|
|
ds->opstr = r_anal_op_to_string (core->anal, &ds->analop);
|
|
return;
|
|
}
|
|
if (!ds->opstr) {
|
|
ds->opstr = strdup (r_asm_op_get_asm (&ds->asmop));
|
|
}
|
|
/* initialize */
|
|
core->parser->subrel = r_config_get_i (core->config, "asm.sub.rel");
|
|
core->parser->subreg = r_config_get_i (core->config, "asm.sub.reg");
|
|
core->parser->subrel_addr = 0;
|
|
if (core->parser->subrel
|
|
&& (ds->analop.type == R_ANAL_OP_TYPE_LEA
|
|
|| ds->analop.type == R_ANAL_OP_TYPE_MOV
|
|
|| ds->analop.type == R_ANAL_OP_TYPE_CMP)
|
|
&& ds->analop.ptr != UT64_MAX) {
|
|
core->parser->subrel_addr = ds->analop.ptr;
|
|
}
|
|
if (ds->subvar && ds->opstr) {
|
|
ut64 at = ds->vat;
|
|
RAnalFunction *f = fcnIn (ds, at, R_ANAL_FCN_TYPE_NULL);
|
|
core->parser->get_op_ireg = get_op_ireg;
|
|
core->parser->get_ptr_at = get_ptr_at;
|
|
core->parser->get_reg_at = get_reg_at;
|
|
r_parse_subvar (core->parser, f, at, ds->analop.size,
|
|
ds->opstr, ds->strsub, sizeof (ds->strsub));
|
|
if (*ds->strsub) {
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->strsub);
|
|
}
|
|
if (core->parser->subrel) {
|
|
RList *list = r_anal_refs_get (core->anal, at);
|
|
RListIter *iter;
|
|
RAnalRef *ref;
|
|
r_list_foreach (list, iter, ref) {
|
|
int rt = R_ANAL_REF_TYPE_MASK (ref->type);
|
|
if ((rt == R_ANAL_REF_TYPE_DATA || rt == R_ANAL_REF_TYPE_STRING) && ds->analop.type == R_ANAL_OP_TYPE_LEA) {
|
|
core->parser->subrel_addr = ref->addr;
|
|
break;
|
|
}
|
|
}
|
|
r_list_free (list);
|
|
}
|
|
}
|
|
ds->opstr = ds_sub_jumps (ds, ds->opstr);
|
|
if (ds->immtrim) {
|
|
char *res = r_parse_immtrim (ds->opstr);
|
|
if (res) {
|
|
ds->opstr = res;
|
|
}
|
|
return;
|
|
}
|
|
if (ds->hint && ds->hint->opcode) {
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->hint->opcode);
|
|
}
|
|
if (ds->subnames) {
|
|
RSpace *ofs = core->parser->flagspace;
|
|
RSpace *fs = ds->flagspace_ports;
|
|
if (ds->analop.type == R_ANAL_OP_TYPE_IO) {
|
|
core->parser->notin_flagspace = NULL;
|
|
core->parser->flagspace = fs;
|
|
} else {
|
|
if (fs) {
|
|
core->parser->notin_flagspace = fs;
|
|
core->parser->flagspace = fs;
|
|
} else {
|
|
core->parser->notin_flagspace = NULL;
|
|
core->parser->flagspace = NULL;
|
|
}
|
|
}
|
|
if (core->parser->subrel && ds->analop.refptr) {
|
|
if (core->parser->subrel_addr == 0) {
|
|
ut64 killme = UT64_MAX;
|
|
r_io_read_i (core->io, ds->analop.ptr, &killme, ds->analop.refptr, be);
|
|
core->parser->subrel_addr = killme;
|
|
}
|
|
}
|
|
if (ds->pseudo) {
|
|
r_parse_parse (core->parser, ds->opstr, ds->str);
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->str);
|
|
}
|
|
if (ds->subjmp) {
|
|
char *input = strdup (ds->opstr? ds->opstr: ds->str);
|
|
r_parse_filter (core->parser, ds->vat, core->flags, ds->hint, input, // asm_str,
|
|
ds->str, sizeof (ds->str), be);
|
|
free (input);
|
|
//ds->opstr = strdup (ds->str);
|
|
} else {
|
|
if (ds->opstr) {
|
|
r_str_ncpy (ds->str, ds->opstr, sizeof (ds->str));
|
|
}
|
|
}
|
|
// use 'str' from now on
|
|
// subvar depends on filter
|
|
if (ds->subvar) {
|
|
// HACK to do subvar outside rparse becacuse the whole rparse api must be rewritten
|
|
char *ox = strstr (ds->str, "0x");
|
|
if (ox) {
|
|
char *e = strchr (ox, ']');
|
|
if (!e) {
|
|
e = strchr (ox, ',');
|
|
if (!e) {
|
|
e = strchr (ox, ')');
|
|
}
|
|
}
|
|
if (e) {
|
|
e = strdup (e);
|
|
ut64 addr = r_num_get (NULL, ox);
|
|
if (addr > ds->min_ref_addr) {
|
|
const RList *ls = r_flag_get_list (ds->core->flags, addr);
|
|
RFlagItem *fi;
|
|
RListIter *iter;
|
|
r_list_foreach (ls, iter, fi) {
|
|
if (fi->space && fi->space->name && (!strcmp (fi->space->name, "format") || !strcmp (fi->space->name, "segments") || !strcmp (fi->space->name, "sections"))) {
|
|
// ignore
|
|
} else {
|
|
const char *n = (fi->realname) ? fi->realname: fi->name;
|
|
if (strlen (n) > 3) {
|
|
r_str_cpy (ox, n);
|
|
r_str_cat (ox, e);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
free (e);
|
|
}
|
|
}
|
|
}
|
|
core->parser->flagspace = ofs;
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->str);
|
|
char *asm_str = colorize_asm_string (core, ds, print_color);
|
|
if (asm_str) {
|
|
free (ds->opstr);
|
|
ds->opstr = asm_str;
|
|
r_str_ncpy (ds->str, asm_str, sizeof (ds->str));
|
|
// strcpy (ds->str, asm_str);
|
|
}
|
|
} else {
|
|
r_str_trim (ds->opstr); // trim before coloring git
|
|
char *asm_str = colorize_asm_string (core, ds, print_color);
|
|
free (ds->opstr);
|
|
ds->opstr = asm_str;
|
|
}
|
|
r_str_trim (ds->opstr);
|
|
// updates ds->opstr
|
|
__replaceImports (ds);
|
|
if (ds->show_color) {
|
|
int i = 0;
|
|
char *word = NULL;
|
|
char *bgcolor = NULL;
|
|
const char *wcdata = r_meta_get_string (ds->core->anal, R_META_TYPE_HIGHLIGHT, ds->at);
|
|
int argc = 0;
|
|
char **wc_array = r_str_argv (wcdata, &argc);
|
|
for (i = 0; i < argc; i++) {
|
|
bgcolor = strchr (wc_array[i], '\x1b');
|
|
word = r_str_newlen (wc_array[i], bgcolor - wc_array[i]);
|
|
ds_highlight_word (ds, word, bgcolor);
|
|
}
|
|
}
|
|
}
|
|
|
|
R_API RAnalHint *r_core_hint_begin(RCore *core, RAnalHint* hint, ut64 at) {
|
|
static R_TH_LOCAL char *hint_syntax = NULL;
|
|
r_anal_hint_free (hint);
|
|
hint = r_anal_hint_get (core->anal, at);
|
|
if (hint_syntax) {
|
|
r_config_set (core->config, "asm.syntax", hint_syntax);
|
|
hint_syntax = NULL;
|
|
}
|
|
if (hint) {
|
|
/* syntax */
|
|
if (hint->syntax) {
|
|
if (!hint_syntax) {
|
|
hint_syntax = strdup (r_config_get (core->config, "asm.syntax"));
|
|
}
|
|
r_config_set (core->config, "asm.syntax", hint->syntax);
|
|
}
|
|
if (hint->high) {
|
|
/* TODO: do something here */
|
|
}
|
|
}
|
|
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, at, 0);
|
|
if (fcn) {
|
|
if (fcn->bits == 16 || fcn->bits == 32) {
|
|
if (!hint) {
|
|
hint = R_NEW0 (RAnalHint);
|
|
}
|
|
hint->bits = fcn->bits;
|
|
hint->new_bits = fcn->bits;
|
|
}
|
|
}
|
|
return hint;
|
|
}
|
|
|
|
static void ds_pre_line(RDisasmState *ds) {
|
|
ds_setup_pre (ds, false, false);
|
|
ds_print_pre (ds, true);
|
|
char *tmp = ds->line;
|
|
char *tmp_col = ds->line_col;
|
|
ds->line = ds->refline2;
|
|
ds->line_col = ds->prev_line_col;
|
|
ds_print_lines_left (ds);
|
|
ds->line = tmp;
|
|
ds->line_col = tmp_col;
|
|
}
|
|
|
|
static void ds_begin_line(RDisasmState *ds) {
|
|
if (ds->pj) {
|
|
pj_o (ds->pj);
|
|
pj_kn (ds->pj, "offset", ds->vat);
|
|
if (ds->core->anal->reflines) {
|
|
RAnalRefline *ref;
|
|
RListIter *iter;
|
|
// XXX Probably expensive
|
|
r_list_foreach (ds->core->anal->reflines, iter, ref) {
|
|
if (ref->from == ds->vat) {
|
|
pj_kn (ds->pj, "arrow", ref->to);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
pj_k (ds->pj, "text");
|
|
}
|
|
ds->buf_line_begin = r_cons_get_buffer_len ();
|
|
if (!ds->pj && ds->asm_hint_pos == -1) {
|
|
if (!ds_print_core_vmode (ds, ds->asm_hint_pos)) {
|
|
r_cons_printf (" ");
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_newline(RDisasmState *ds) {
|
|
if (ds->pj) {
|
|
const bool is_html = r_config_get_b (ds->core->config, "scr.html");
|
|
if (is_html) {
|
|
char *s = r_cons_html_filter (r_cons_get_buffer (), NULL);
|
|
pj_s (ds->pj, s);
|
|
free (s);
|
|
} else {
|
|
pj_s (ds->pj, r_cons_get_buffer ());
|
|
}
|
|
r_cons_reset ();
|
|
pj_end (ds->pj);
|
|
} else {
|
|
r_cons_newline ();
|
|
}
|
|
}
|
|
|
|
static void ds_begin_cont(RDisasmState *ds) {
|
|
ds_begin_line (ds);
|
|
ds_setup_print_pre (ds, false, false);
|
|
if (!ds->linesright && ds->show_lines_bb && ds->line) {
|
|
RAnalRefStr *refstr = r_anal_reflines_str (ds->core, ds->at,
|
|
ds->linesopts | R_ANAL_REFLINE_TYPE_MIDDLE_AFTER);
|
|
ds_print_ref_lines (refstr->str, refstr->cols, ds);
|
|
r_anal_reflines_str_free (refstr);
|
|
}
|
|
}
|
|
|
|
static void ds_begin_comment(RDisasmState *ds) {
|
|
if (ds->show_comment_right) {
|
|
ds_comment_align (ds);
|
|
} else {
|
|
ds_begin_line (ds);
|
|
ds_pre_xrefs (ds, false);
|
|
}
|
|
}
|
|
|
|
static void ds_print_pins(RDisasmState *ds) {
|
|
const char *lepin = r_anal_pin_at (ds->core->anal, ds->at);
|
|
if (R_STR_ISNOTEMPTY (lepin)) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; [aep: %s]", lepin);
|
|
}
|
|
}
|
|
|
|
static void ds_show_refs(RDisasmState *ds) {
|
|
RAnalRef *ref;
|
|
RListIter *iter;
|
|
|
|
if (!ds->show_cmtrefs) {
|
|
return;
|
|
}
|
|
RList *list = r_anal_xrefs_get_from (ds->core->anal, ds->at);
|
|
|
|
r_list_foreach (list, iter, ref) {
|
|
const char *cmt = r_meta_get_string (ds->core->anal, R_META_TYPE_COMMENT, ref->addr);
|
|
const RList *fls = r_flag_get_list (ds->core->flags, ref->addr);
|
|
RListIter *iter2;
|
|
RFlagItem *fis;
|
|
r_list_foreach (fls, iter2, fis) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; (%s)", fis->name);
|
|
}
|
|
|
|
// ds_align_comment (ds);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->color_comment);
|
|
}
|
|
if (cmt) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; (%s)", cmt);
|
|
}
|
|
if (ref->type & R_ANAL_REF_TYPE_CALL) {
|
|
RAnalOp aop;
|
|
ut8 buf[12];
|
|
r_io_read_at (ds->core->io, ref->at, buf, sizeof (buf));
|
|
r_anal_op (ds->core->anal, &aop, ref->at, buf, sizeof (buf), R_ANAL_OP_MASK_ALL);
|
|
if ((aop.type & R_ANAL_OP_TYPE_MASK) == R_ANAL_OP_TYPE_UCALL) {
|
|
RAnalFunction * fcn = r_anal_get_function_at (ds->core->anal, ref->addr);
|
|
ds_begin_comment (ds);
|
|
if (fcn) {
|
|
ds_comment (ds, true, "; %s", fcn->name);
|
|
} else {
|
|
ds_comment (ds, true, "; 0x%" PFMT64x, ref->addr);
|
|
}
|
|
}
|
|
}
|
|
ds_print_color_reset (ds);
|
|
}
|
|
r_list_free (list);
|
|
}
|
|
|
|
static void ds_show_xrefs(RDisasmState *ds) {
|
|
char xrefs_char[32] = {0}; // no more than 32 xrefs meh
|
|
int xci = 0;
|
|
RAnalRef *refi;
|
|
RListIter *iter, *it;
|
|
RCore *core = ds->core;
|
|
char *name, *realname;
|
|
int count = 0;
|
|
if (!ds->show_xrefs || !ds->show_comments) {
|
|
return;
|
|
}
|
|
/* show xrefs */
|
|
RList *xrefs = r_anal_xrefs_get (core->anal, ds->at);
|
|
if (!xrefs) {
|
|
return;
|
|
}
|
|
// only show fcnline in xrefs when addr is not the beginning of a function
|
|
bool fcnlines = (ds->fcn && ds->fcn->addr == ds->at);
|
|
if (r_list_length (xrefs) > ds->maxrefs) {
|
|
ds_begin_line (ds);
|
|
ds_pre_xrefs (ds, fcnlines);
|
|
ds_comment (ds, false, "%s; XREFS(%d)",
|
|
ds->show_color? ds->pal_comment: "",
|
|
r_list_length (xrefs));
|
|
if (ds->show_color) {
|
|
ds_print_color_reset (ds);
|
|
}
|
|
ds_newline (ds);
|
|
r_list_free (xrefs);
|
|
return;
|
|
}
|
|
if (r_list_length (xrefs) > ds->foldxrefs) {
|
|
int cols = r_cons_get_size (NULL);
|
|
cols -= 15;
|
|
cols /= 23;
|
|
cols = cols > 5 ? 5 : cols;
|
|
ds_begin_line (ds);
|
|
ds_pre_xrefs (ds, fcnlines);
|
|
ds_comment (ds, false, "%s; XREFS: ", ds->show_color? ds->pal_comment: "");
|
|
r_list_foreach (xrefs, iter, refi) {
|
|
ds_comment (ds, false, "%s 0x%08"PFMT64x" ",
|
|
r_anal_ref_type_tostring (refi->type), refi->addr);
|
|
if (count == cols) {
|
|
if (iter->n) {
|
|
ds_print_color_reset (ds);
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
ds_pre_xrefs (ds, fcnlines);
|
|
ds_comment (ds, false, "%s; XREFS: ", ds->show_color? ds->pal_comment: "");
|
|
}
|
|
count = 0;
|
|
} else {
|
|
count++;
|
|
}
|
|
}
|
|
ds_print_color_reset (ds);
|
|
ds_newline (ds);
|
|
r_list_free (xrefs);
|
|
return;
|
|
}
|
|
|
|
RList *addrs = r_list_newf (free);
|
|
RAnalFunction *fun, *next_fun;
|
|
RFlagItem *f, *next_f;
|
|
r_list_foreach (xrefs, iter, refi) {
|
|
int rt = R_ANAL_REF_TYPE_MASK (refi->type);
|
|
if (!ds->asm_xrefs_code && rt == R_ANAL_REF_TYPE_CODE) {
|
|
continue;
|
|
}
|
|
if (refi->at == ds->at) {
|
|
realname = NULL;
|
|
fun = fcnIn (ds, refi->addr, -1);
|
|
if (fun) {
|
|
if (iter != xrefs->tail) {
|
|
ut64 next_addr = ((RAnalRef *)(iter->n->data))->addr;
|
|
next_fun = r_anal_get_fcn_in (core->anal, next_addr, -1);
|
|
if (next_fun && next_fun->addr == fun->addr) {
|
|
if (xci < 32) {
|
|
xrefs_char[xci++] = r_anal_ref_perm_tochar (refi);
|
|
}
|
|
r_list_append (addrs, r_num_dup (refi->addr));
|
|
continue;
|
|
}
|
|
}
|
|
if (ds->asm_demangle) {
|
|
f = r_flag_get_by_spaces (core->flags, fun->addr, R_FLAGS_FS_SYMBOLS, NULL);
|
|
if (f && f->demangled && f->realname) {
|
|
realname = strdup (f->realname);
|
|
}
|
|
}
|
|
name = strdup (fun->name);
|
|
if (xci < 32) {
|
|
xrefs_char[xci++] = r_anal_ref_perm_tochar (refi);
|
|
}
|
|
r_list_append (addrs, r_num_dup (refi->addr));
|
|
} else {
|
|
f = r_flag_get_at (core->flags, refi->addr, true);
|
|
if (f) {
|
|
if (iter != xrefs->tail) {
|
|
ut64 next_addr = ((RAnalRef *)(iter->n->data))->addr;
|
|
next_f = r_flag_get_at (core->flags, next_addr, true);
|
|
if (next_f && f->offset == next_f->offset) {
|
|
if (xci < 32) {
|
|
xrefs_char[xci++] = r_anal_ref_perm_tochar (refi);
|
|
}
|
|
r_list_append (addrs, r_num_dup (refi->addr - f->offset));
|
|
continue;
|
|
}
|
|
}
|
|
if (ds->asm_demangle) {
|
|
RFlagItem *f_sym = f;
|
|
if (!r_str_startswith (f_sym->name, "sym.")) {
|
|
f_sym = r_flag_get_by_spaces (core->flags, f->offset,
|
|
R_FLAGS_FS_SYMBOLS, NULL);
|
|
}
|
|
if (f_sym && f_sym->demangled && f_sym->realname) {
|
|
f = f_sym;
|
|
realname = strdup (f->realname);
|
|
}
|
|
}
|
|
name = strdup (f->name);
|
|
if (xci < 32) {
|
|
xrefs_char[xci++] = r_anal_ref_perm_tochar (refi);
|
|
}
|
|
r_list_append (addrs, r_num_dup (refi->addr - f->offset));
|
|
} else {
|
|
name = strdup ("unk");
|
|
}
|
|
}
|
|
ds_begin_line (ds);
|
|
ds_pre_xrefs (ds, fcnlines);
|
|
const char* plural = r_list_length (addrs) > 1 ? "S" : "";
|
|
const char* plus = fun ? "" : "+";
|
|
ds_comment (ds, false, "%s; %s XREF%s from %s @ ",
|
|
COLOR (ds, pal_comment), r_anal_ref_type_tostring (refi->type), plural,
|
|
realname ? realname : name);
|
|
ut64 *addrptr;
|
|
|
|
int i = 0;
|
|
r_list_foreach (addrs, it, addrptr) {
|
|
if (R_STR_ISNOTEMPTY (addrptr)) {
|
|
char ch = xrefs_char [i++];
|
|
ds_comment (ds, false, "%s%s0x%"PFMT64x"(%c)",
|
|
it == addrs->head ? "" : ", ", plus, *addrptr, ch);
|
|
}
|
|
}
|
|
if (realname && (!fun || r_anal_get_function_at (core->anal, ds->at))) {
|
|
const char *pad = ds->show_comment_right ? "" : " ";
|
|
if (!ds->show_comment_right) {
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
ds_pre_xrefs (ds, fcnlines);
|
|
}
|
|
ds_comment (ds, false, " %s; %s", pad, name);
|
|
}
|
|
ds_comment (ds, false, "%s", COLOR_RESET (ds));
|
|
ds_newline (ds);
|
|
r_list_purge (addrs);
|
|
R_FREE (name);
|
|
free (realname);
|
|
} else {
|
|
eprintf ("Corrupted database?\n");
|
|
}
|
|
}
|
|
r_list_free (addrs);
|
|
r_list_free (xrefs);
|
|
}
|
|
|
|
static void ds_atabs_option(RDisasmState *ds) {
|
|
r_return_if_fail (ds);
|
|
int n, i = 0, word = 0;
|
|
bool comma = false;
|
|
int brackets = 0;
|
|
|
|
if (!ds->atabs) {
|
|
return;
|
|
}
|
|
size_t bufasm_len = r_strbuf_length (&ds->asmop.buf_asm);
|
|
size_t size = (bufasm_len * (ds->atabs + 1)) + 8;
|
|
if (size < 1 || size < bufasm_len) {
|
|
return;
|
|
}
|
|
RStrBuf *sb = r_strbuf_new ("");
|
|
char *b, *ob = (ds->opstr)? strdup (ds->opstr): strdup (r_asm_op_get_asm (&ds->asmop));
|
|
for (b = ob; b && *b; b++, i++) {
|
|
r_strbuf_append_n (sb, b, 1);
|
|
if (*b == '(' || *b == '[') {
|
|
brackets++;
|
|
}
|
|
if (*b == ')' || *b == ']') {
|
|
brackets--;
|
|
}
|
|
if (*b == ',') {
|
|
comma = true;
|
|
}
|
|
if (*b != ' ') {
|
|
continue;
|
|
}
|
|
if (word > 0 && !comma) {
|
|
continue;
|
|
}
|
|
if (brackets > 0) {
|
|
continue;
|
|
}
|
|
comma = false;
|
|
brackets = 0;
|
|
n = (ds->atabs - i);
|
|
if (n < 1) {
|
|
n = 1;
|
|
}
|
|
const char *tab = r_str_pad (' ', n);
|
|
r_strbuf_append_n (sb, tab, n);
|
|
i = 0;
|
|
word++;
|
|
if (ds->atabsonce) {
|
|
r_strbuf_append (sb, b + 1);
|
|
break;
|
|
}
|
|
}
|
|
free (ob);
|
|
free (ds->opstr);
|
|
ds->opstr = r_strbuf_drain (sb);
|
|
}
|
|
|
|
static int handleMidFlags(RCore *core, RDisasmState *ds, bool print) {
|
|
int i;
|
|
|
|
ds->midflags = r_config_get_i (core->config, "asm.flags.middle");
|
|
ds->hasMidflag = false;
|
|
if (ds->midcursor && core->print->cur != -1) {
|
|
ut64 cur = core->offset + core->print->cur;
|
|
ut64 from = ds->at;
|
|
ut64 to = ds->at + ds->oplen;
|
|
if (cur > from && cur < to) {
|
|
return cur - from;
|
|
}
|
|
}
|
|
if (ds->midflags == R_MIDFLAGS_HIDE) {
|
|
return 0;
|
|
}
|
|
|
|
for (i = 1; i < ds->oplen; i++) {
|
|
RFlagItem *fi = r_flag_get_i (core->flags, ds->at + i);
|
|
if (fi && fi->name) {
|
|
if (r_anal_get_block_at (core->anal, ds->at)) {
|
|
ds->midflags = ds->midflags? R_MIDFLAGS_SHOW: R_MIDFLAGS_HIDE;
|
|
}
|
|
if (ds->midflags == R_MIDFLAGS_REALIGN && ((fi->name[0] == '$') || (fi->realname && fi->realname[0] == '$'))) {
|
|
i = 0;
|
|
} else if (!strncmp (fi->name, "hit.", 4)) { // use search.prefix ?
|
|
i = 0;
|
|
} else if (!strncmp (fi->name, "str.", 4)) {
|
|
ds->midflags = R_MIDFLAGS_REALIGN;
|
|
} else if (!strncmp (fi->name, "reloc.", 6)) {
|
|
continue;
|
|
} else if (ds->midflags == R_MIDFLAGS_SYMALIGN) {
|
|
if (strncmp (fi->name, "sym.", 4)) {
|
|
continue;
|
|
}
|
|
}
|
|
ds->hasMidflag = true;
|
|
return i;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int handleMidBB(RCore *core, RDisasmState *ds) {
|
|
int i;
|
|
ds->hasMidbb = false;
|
|
r_return_val_if_fail (core->anal, 0);
|
|
// Unfortunately, can't just check the addr of the last insn byte since
|
|
// a bb (and fcn) can be as small as 1 byte, and advancing i based on
|
|
// bb->size is unsound if basic blocks can nest or overlap
|
|
for (i = 1; i < ds->oplen; i++) {
|
|
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, ds->at + i, 0);
|
|
if (fcn) {
|
|
RAnalBlock *bb = r_anal_function_bbget_in (core->anal, fcn, ds->at + i);
|
|
if (bb && bb->addr > ds->at) {
|
|
ds->hasMidbb = true;
|
|
return bb->addr - ds->at;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
R_API int r_core_flag_in_middle(RCore *core, ut64 at, int oplen, int *midflags) {
|
|
r_return_val_if_fail (midflags, 0);
|
|
RDisasmState ds = {
|
|
.at = at,
|
|
.oplen = oplen,
|
|
.midflags = *midflags
|
|
};
|
|
int ret = handleMidFlags (core, &ds, true);
|
|
*midflags = ds.midflags;
|
|
return ret;
|
|
}
|
|
|
|
R_API int r_core_bb_starts_in_middle(RCore *core, ut64 at, int oplen) {
|
|
RDisasmState ds = {
|
|
.at = at,
|
|
.oplen = oplen
|
|
};
|
|
return handleMidBB (core, &ds);
|
|
}
|
|
|
|
static void ds_print_show_cursor(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
char res[] = " ";
|
|
if (!ds->show_marks) {
|
|
return;
|
|
}
|
|
int q = core->print->cur_enabled &&
|
|
ds->cursor >= ds->index &&
|
|
ds->cursor < (ds->index + ds->asmop.size);
|
|
RBreakpointItem *p = r_bp_get_at (core->dbg->bp, ds->at);
|
|
(void)handleMidFlags (core, ds, false);
|
|
if (ds->midbb) {
|
|
(void)handleMidBB (core, ds);
|
|
}
|
|
if (p) {
|
|
res[0] = 'b';
|
|
}
|
|
if (ds->hasMidflag || ds->hasMidbb) {
|
|
res[1] = '~';
|
|
}
|
|
if (q) {
|
|
if (ds->cursor == ds->index) {
|
|
res[2] = '*';
|
|
} else {
|
|
int i = 2, diff = ds->cursor - ds->index;
|
|
if (diff > 9) {
|
|
res[i++] = '0' + (diff / 10);
|
|
}
|
|
res[i] = '0' + (diff % 10);
|
|
}
|
|
}
|
|
r_cons_strcat (res);
|
|
}
|
|
|
|
static void ds_pre_xrefs(RDisasmState *ds, bool no_fcnlines) {
|
|
ds_setup_pre (ds, false, false);
|
|
if (ds->pre != DS_PRE_NONE && ds->pre != DS_PRE_EMPTY) {
|
|
ds->pre = no_fcnlines ? DS_PRE_EMPTY : DS_PRE_FCN_MIDDLE;
|
|
}
|
|
ds_print_pre (ds, !no_fcnlines);
|
|
char *tmp = ds->line;
|
|
char *tmp_col = ds->line_col;
|
|
ds->line = ds->refline2;
|
|
ds->line_col = ds->prev_line_col;
|
|
ds_print_lines_left (ds);
|
|
if (!ds->show_offset && ds->show_marks) {
|
|
ds_print_show_cursor (ds);
|
|
}
|
|
ds->line = tmp;
|
|
ds->line_col = tmp_col;
|
|
}
|
|
|
|
//TODO: this function is a temporary fix. All analysis should be based on realsize. However, now for same architectures realisze is not used
|
|
static ut32 tmp_get_realsize(RAnalFunction *f) {
|
|
ut32 size = r_anal_function_realsize (f);
|
|
return (size > 0) ? size : r_anal_function_linear_size (f);
|
|
}
|
|
|
|
static void ds_show_functions_argvar(RDisasmState *ds, RAnalFunction *fcn, RAnalVar *var, const char *base, bool is_var, char sign) {
|
|
int delta = var->kind == 'b' ? R_ABS (var->delta + fcn->bp_off) : R_ABS (var->delta);
|
|
const char *pfx = is_var ? VARPREFIX: ARGPREFIX;
|
|
char *constr = r_anal_var_get_constraints_readable (var);
|
|
r_cons_printf ("%s%s %s%s%s%s %s%s%s%s@ %s%c0x%x", COLOR_ARG (ds, color_func_var), pfx,
|
|
COLOR_ARG (ds, color_func_var_type), var->type,
|
|
r_str_endswith (var->type, "*") ? "" : " ",
|
|
var->name, COLOR_ARG (ds, color_func_var_addr),
|
|
constr? " { ":"",
|
|
r_str_get (constr),
|
|
constr? "} ":"",
|
|
base, sign, delta);
|
|
if (ds->show_varsum == -1) {
|
|
char *val = r_core_cmd_strf (ds->core, ".afvd %s", var->name);
|
|
if (val) {
|
|
r_str_replace_char (val, '\n', '\0');
|
|
r_cons_printf (" = %s", val);
|
|
free (val);
|
|
}
|
|
}
|
|
free (constr);
|
|
}
|
|
|
|
static void print_var_summary(RDisasmState *ds, RList *list) {
|
|
const char *numColor = ds->core->cons->context->pal.num;
|
|
RAnalVar *var;
|
|
RListIter *iter;
|
|
int bp_vars = 0;
|
|
int sp_vars = 0;
|
|
int rg_vars = 0;
|
|
int bp_args = 0;
|
|
int sp_args = 0;
|
|
int rg_args = 0;
|
|
const char *bp_vars_color = COLOR_RESET (ds);
|
|
const char *sp_vars_color = COLOR_RESET (ds);
|
|
const char *rg_vars_color = COLOR_RESET (ds);
|
|
const char *bp_args_color = COLOR_RESET (ds);
|
|
const char *sp_args_color = COLOR_RESET (ds);
|
|
const char *rg_args_color = COLOR_RESET (ds);
|
|
r_list_foreach (list, iter, var) {
|
|
if (var->isarg) {
|
|
switch (var->kind) {
|
|
case 'b':
|
|
bp_args++;
|
|
break;
|
|
case 's':
|
|
sp_args++;
|
|
break;
|
|
case 'r':
|
|
rg_args++;
|
|
break;
|
|
}
|
|
} else {
|
|
switch (var->kind) {
|
|
case 'b':
|
|
bp_vars++;
|
|
break;
|
|
case 's':
|
|
sp_vars++;
|
|
break;
|
|
case 'r':
|
|
rg_vars++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (bp_vars) { bp_vars_color = numColor; }
|
|
if (sp_vars) { sp_vars_color = numColor; }
|
|
if (rg_vars) { rg_vars_color = numColor; }
|
|
if (bp_args) { bp_args_color = numColor; }
|
|
if (sp_args) { sp_args_color = numColor; }
|
|
if (rg_args) { rg_args_color = numColor; }
|
|
if (ds->show_varsum == 2) {
|
|
ds_begin_line (ds);
|
|
ds_print_pre (ds, true);
|
|
r_cons_printf ("args: %s%d%s %s%d%s %s%d%s",
|
|
bp_args_color, bp_args, COLOR_RESET (ds),
|
|
sp_args_color, sp_args, COLOR_RESET (ds),
|
|
rg_args_color, rg_args, COLOR_RESET (ds));
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
ds_print_pre (ds, true);
|
|
r_cons_printf ("vars: %s%d%s %s%d%s %s%d%s",
|
|
bp_vars_color, bp_vars, COLOR_RESET (ds),
|
|
sp_vars_color, sp_vars, COLOR_RESET (ds),
|
|
rg_vars_color, rg_vars, COLOR_RESET (ds));
|
|
ds_newline (ds);
|
|
return;
|
|
}
|
|
ds_begin_line (ds);
|
|
ds_print_pre (ds, true);
|
|
r_cons_printf ("rg: %s%d%s (vars %s%d%s, args %s%d%s)",
|
|
rg_args || rg_vars ? numColor : COLOR_RESET (ds), rg_args+rg_vars, COLOR_RESET (ds),
|
|
rg_vars_color, rg_vars, COLOR_RESET (ds),
|
|
rg_args_color, rg_args, COLOR_RESET (ds));
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
ds_print_pre (ds, true);
|
|
r_cons_printf ("bp: %s%d%s (vars %s%d%s, args %s%d%s)",
|
|
bp_args || bp_vars ? numColor : COLOR_RESET (ds), bp_args + bp_vars, COLOR_RESET (ds),
|
|
bp_vars_color, bp_vars, COLOR_RESET (ds),
|
|
bp_args_color, bp_args, COLOR_RESET (ds));
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
ds_print_pre (ds, true);
|
|
r_cons_printf ("sp: %s%d%s (vars %s%d%s, args %s%d%s)",
|
|
sp_args || sp_vars ? numColor : COLOR_RESET (ds), sp_args+sp_vars, COLOR_RESET (ds),
|
|
sp_vars_color, sp_vars, COLOR_RESET (ds),
|
|
sp_args_color, sp_args, COLOR_RESET (ds));
|
|
ds_newline (ds);
|
|
|
|
}
|
|
|
|
static bool empty_signature(const char *s) {
|
|
return (s && !strncmp (s, "void ", 5) && strstr (s, "()"));
|
|
}
|
|
|
|
static void ds_show_functions(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
char *fcn_name;
|
|
bool fcn_name_alloc = false; // whether fcn_name needs to be freed by this function
|
|
|
|
if (!ds->show_functions) {
|
|
return;
|
|
}
|
|
bool demangle = r_config_get_i (core->config, "bin.demangle");
|
|
bool keep_lib = r_config_get_i (core->config, "bin.demangle.libs");
|
|
bool showSig = ds->show_fcnsig && ds->show_calls;
|
|
bool call = r_config_get_i (core->config, "asm.calls");
|
|
const char *lang = demangle ? r_config_get (core->config, "bin.lang") : NULL;
|
|
RAnalFunction *f = r_anal_get_function_at (core->anal, ds->at);
|
|
if (!f) {
|
|
return;
|
|
}
|
|
if (demangle) {
|
|
fcn_name = r_bin_demangle (core->bin->cur, lang, f->name, f->addr, keep_lib);
|
|
if (fcn_name) {
|
|
fcn_name_alloc = true;
|
|
} else {
|
|
fcn_name = f->name;
|
|
}
|
|
} else {
|
|
fcn_name = f->name;
|
|
}
|
|
if (core->cons->context->demo) {
|
|
const char *nl = core->vmode? "\n"R_CONS_CLEAR_LINE: NULL;
|
|
char *r = r_str_ss (fcn_name, nl, 0);
|
|
char *s_in = r_str_newf ("%s%s%s", COLOR (ds, color_fname), r, COLOR_RESET (ds));
|
|
free (r);
|
|
r_cons_print (s_in);
|
|
free (s_in);
|
|
}
|
|
ds_begin_line (ds);
|
|
char *sign = r_anal_function_get_signature (f);
|
|
if (empty_signature (sign)) {
|
|
R_FREE (sign);
|
|
}
|
|
if (f->type == R_ANAL_FCN_TYPE_LOC) {
|
|
r_cons_printf ("%s%s ", COLOR (ds, color_fline), core->cons->vline[LINE_CROSS]); // |-
|
|
if (!showSig) {
|
|
r_cons_printf ("%s%s%s %"PFMT64u, COLOR (ds, color_floc),
|
|
fcn_name, COLOR_RESET (ds), r_anal_function_linear_size (f));
|
|
ds_newline (ds);
|
|
}
|
|
} else {
|
|
const char *fcntype;
|
|
char cmt[32];
|
|
get_bits_comment (core, f, cmt, sizeof (cmt));
|
|
|
|
switch (f->type) {
|
|
case R_ANAL_FCN_TYPE_FCN:
|
|
case R_ANAL_FCN_TYPE_SYM:
|
|
fcntype = "fcn";
|
|
break;
|
|
case R_ANAL_FCN_TYPE_IMP:
|
|
fcntype = "imp";
|
|
break;
|
|
default:
|
|
fcntype = "loc";
|
|
break;
|
|
}
|
|
//ds_set_pre (ds, core->cons->vline[CORNER_TL]);
|
|
if (ds->show_lines_fcn) {
|
|
ds->pre = DS_PRE_FCN_HEAD;
|
|
}
|
|
ds_print_pre (ds, true);
|
|
if (ds->show_flgoff) {
|
|
ds_print_lines_left (ds);
|
|
ds_print_offset (ds);
|
|
}
|
|
if (!showSig) {
|
|
r_cons_printf ("%s(%s) %s%s%s %d", COLOR (ds, color_fname),
|
|
fcntype, fcn_name, cmt, COLOR_RESET (ds), tmp_get_realsize (f));
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
if (!showSig) {
|
|
if (sign) {
|
|
ds_begin_line (ds);
|
|
r_cons_printf ("// %s", sign);
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
R_FREE (sign);
|
|
if (ds->show_lines_fcn) {
|
|
ds->pre = DS_PRE_FCN_MIDDLE;
|
|
}
|
|
ds->stackptr = core->anal->stackptr;
|
|
RAnalFcnVarsCache vars_cache;
|
|
r_anal_function_vars_cache_init (core->anal, &vars_cache, f);
|
|
|
|
int o_varsum = ds->show_varsum;
|
|
if (ds->interactive && !o_varsum) {
|
|
int padding = 10;
|
|
int numvars = vars_cache.bvars->length + vars_cache.rvars->length + vars_cache.svars->length + padding;
|
|
if (numvars > ds->count) {
|
|
ds->show_varsum = 1;
|
|
} else {
|
|
ds->show_varsum = 0;
|
|
}
|
|
}
|
|
|
|
if (call) {
|
|
if (!showSig) {
|
|
ds_begin_line (ds);
|
|
r_cons_print (COLOR (ds, color_fline));
|
|
ds_print_pre (ds, true);
|
|
r_cons_printf ("%s ", COLOR_RESET (ds));
|
|
}
|
|
r_cons_printf ("%" PFMT64d ": ", r_anal_function_realsize (f));
|
|
|
|
// show function's realname in the signature if realnames are enabled
|
|
if (core->flags->realnames) {
|
|
RFlagItem *flag = r_flag_get (core->flags, fcn_name);
|
|
if (flag && flag->realname) {
|
|
fcn_name = flag->realname;
|
|
}
|
|
}
|
|
|
|
char *sig = r_anal_function_format_sig (core->anal, f, fcn_name, &vars_cache, COLOR (ds, color_fname), COLOR_RESET (ds));
|
|
if (sig) {
|
|
r_cons_print (sig);
|
|
free (sig);
|
|
}
|
|
ds_newline (ds);
|
|
}
|
|
|
|
if (ds->show_vars) {
|
|
if (ds->show_varsum && ds->show_varsum != -1) {
|
|
RList *all_vars = vars_cache.bvars;
|
|
r_list_join (all_vars, vars_cache.svars);
|
|
r_list_join (all_vars, vars_cache.rvars);
|
|
print_var_summary (ds, all_vars);
|
|
} else {
|
|
char spaces[32];
|
|
RAnalVar *var;
|
|
RListIter *iter;
|
|
RList *all_vars = vars_cache.rvars;
|
|
r_list_join (all_vars, vars_cache.bvars);
|
|
r_list_join (all_vars, vars_cache.svars);
|
|
r_list_foreach (all_vars, iter, var) {
|
|
ds_begin_line (ds);
|
|
int idx;
|
|
RAnal *anal = ds->core->anal;
|
|
memset (spaces, ' ', sizeof (spaces));
|
|
idx = 12 - strlen (var->name);
|
|
if (idx < 0) {
|
|
idx = 0;
|
|
}
|
|
spaces[idx] = 0;
|
|
ds_pre_xrefs (ds, false);
|
|
|
|
if (ds->show_flgoff) {
|
|
ds_print_offset (ds);
|
|
}
|
|
r_cons_printf ("%s; ", COLOR_ARG (ds, color_func_var));
|
|
switch (var->kind) {
|
|
case R_ANAL_VAR_KIND_BPV: {
|
|
char sign = var->isarg || (-var->delta <= f->bp_off) ? '+' : '-';
|
|
bool is_var = !var->isarg;
|
|
ds_show_functions_argvar (ds, f, var,
|
|
anal->reg->name[R_REG_NAME_BP], is_var, sign);
|
|
}
|
|
break;
|
|
case R_ANAL_VAR_KIND_REG: {
|
|
RRegItem *i = r_reg_index_get (anal->reg, var->delta);
|
|
if (!i) {
|
|
eprintf ("Register not found\n");
|
|
break;
|
|
}
|
|
r_cons_printf ("%sarg %s%s%s%s %s@ %s", COLOR_ARG (ds, color_func_var),
|
|
COLOR_ARG (ds, color_func_var_type),
|
|
var->type, r_str_endswith (var->type, "*") ? "" : " ",
|
|
var->name, COLOR_ARG (ds, color_func_var_addr), i->name);
|
|
if (ds->show_varsum == -1) {
|
|
char *val = r_core_cmd_strf (ds->core, ".afvd %s", var->name);
|
|
if (val) {
|
|
r_str_replace_char (val, '\n', '\0');
|
|
r_cons_printf ("%s", val);
|
|
free (val);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case R_ANAL_VAR_KIND_SPV: {
|
|
bool is_var = !var->isarg;
|
|
int saved_delta = var->delta;
|
|
var->delta = f->maxstack + var->delta;
|
|
char sign = var->isarg || (-var->delta <= f->maxstack) ? '+' : '-';
|
|
ds_show_functions_argvar (ds, f, var,
|
|
anal->reg->name[R_REG_NAME_SP],
|
|
is_var, sign);
|
|
var->delta = saved_delta;
|
|
}
|
|
break;
|
|
}
|
|
if (var->comment) {
|
|
r_cons_printf (" %s; %s", COLOR (ds, color_comment), var->comment);
|
|
}
|
|
r_cons_print (COLOR_RESET (ds));
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
}
|
|
ds->show_varsum = o_varsum;
|
|
r_anal_function_vars_cache_fini (&vars_cache);
|
|
if (fcn_name_alloc) {
|
|
free (fcn_name);
|
|
}
|
|
{
|
|
RListIter *iter;
|
|
char *imp;
|
|
if (ds->fcn && ds->fcn->imports) {
|
|
r_list_foreach (ds->fcn->imports, iter, imp) {
|
|
ds_print_pre (ds, true);
|
|
ds_print_lines_left(ds);
|
|
r_cons_printf (".import %s", imp);
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
r_list_foreach (ds->core->anal->imports, iter, imp) {
|
|
ds_print_pre (ds, true);
|
|
ds_print_lines_left(ds);
|
|
r_cons_printf (".globalimport %s", imp);
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_setup_print_pre(RDisasmState *ds, bool tail, bool middle) {
|
|
ds_setup_pre (ds, tail, middle);
|
|
ds_print_pre (ds, true);
|
|
}
|
|
|
|
static void ds_setup_pre(RDisasmState *ds, bool tail, bool middle) {
|
|
ds->cmtcount = 0;
|
|
if (!ds->show_functions || !ds->show_lines_fcn) {
|
|
ds->pre = DS_PRE_NONE;
|
|
return;
|
|
}
|
|
ds->pre = DS_PRE_EMPTY;
|
|
RAnalFunction *f = fcnIn (ds, ds->at, R_ANAL_FCN_TYPE_NULL);
|
|
if (f) {
|
|
if (f->addr == ds->at) {
|
|
if (ds->analop.size == r_anal_function_linear_size (f) && !middle) {
|
|
ds->pre = DS_PRE_FCN_TAIL;
|
|
} else {
|
|
ds->pre = DS_PRE_FCN_MIDDLE;
|
|
}
|
|
} else if (r_anal_function_max_addr (f) - ds->analop.size == ds->at && f->addr == r_anal_function_min_addr (f)) {
|
|
ds->pre = DS_PRE_FCN_TAIL;
|
|
} else if (r_anal_function_contains (f, ds->at)) {
|
|
ds->pre = DS_PRE_FCN_MIDDLE;
|
|
}
|
|
if (tail) {
|
|
if (ds->pre == DS_PRE_FCN_TAIL) {
|
|
ds->pre = DS_PRE_EMPTY;
|
|
}
|
|
if (ds->pre == DS_PRE_FCN_MIDDLE) {
|
|
ds->pre = DS_PRE_FCN_TAIL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_print_pre(RDisasmState *ds, bool fcnline) {
|
|
RCore *core = ds->core;
|
|
int pre = ds->pre;
|
|
const char *c = NULL;
|
|
if (!fcnline) {
|
|
pre = DS_PRE_EMPTY;
|
|
}
|
|
switch (pre) {
|
|
case DS_PRE_FCN_HEAD:
|
|
c = core->cons->vline[CORNER_TL];
|
|
break;
|
|
case DS_PRE_FCN_MIDDLE:
|
|
c = core->cons->vline[LINE_VERT];
|
|
break;
|
|
case DS_PRE_FCN_TAIL:
|
|
c = core->cons->vline[CORNER_BL];
|
|
break;
|
|
case DS_PRE_EMPTY:
|
|
r_cons_print (" ");
|
|
return;
|
|
case DS_PRE_NONE:
|
|
default:
|
|
return;
|
|
}
|
|
char *kolor = strdup (ds->color_fline);
|
|
RAnalBlock *bb;
|
|
RList *list = r_anal_get_blocks_in (core->anal, ds->at);
|
|
RListIter *iter;
|
|
r_list_foreach (list, iter, bb) {
|
|
if (bb->color.r || bb->color.g || bb->color.b) {
|
|
free (kolor);
|
|
kolor = r_cons_rgb_str (NULL, -1, &bb->color);
|
|
break;
|
|
}
|
|
}
|
|
r_cons_printf ("%s%s%s ", kolor, c, COLOR_RESET (ds));
|
|
r_list_free (list);
|
|
free (kolor);
|
|
}
|
|
|
|
static void ds_show_comments_describe(RDisasmState *ds) {
|
|
/* respect asm.describe */
|
|
char *desc = NULL;
|
|
if (ds->asm_describe && !ds->has_description) {
|
|
char *op, *locase = strdup (r_asm_op_get_asm (&ds->asmop));
|
|
if (!locase) {
|
|
return;
|
|
}
|
|
op = strchr (locase, ' ');
|
|
if (op) {
|
|
*op = 0;
|
|
}
|
|
r_str_case (locase, 0);
|
|
desc = r_asm_describe (ds->core->rasm, locase);
|
|
free (locase);
|
|
}
|
|
if (desc && *desc) {
|
|
ds_begin_comment (ds);
|
|
ds_align_comment (ds);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->color_comment);
|
|
}
|
|
r_cons_strcat ("; ");
|
|
r_cons_strcat (desc);
|
|
ds_print_color_reset (ds);
|
|
ds_newline (ds);
|
|
free (desc);
|
|
}
|
|
}
|
|
|
|
//XXX review this with asm.cmt.right
|
|
static void ds_show_comments_right(RDisasmState *ds) {
|
|
int linelen;
|
|
RCore *core = ds->core;
|
|
/* show comment at right? */
|
|
int scr = ds->show_comment_right;
|
|
if (!ds->show_comments && !ds->show_usercomments) {
|
|
return;
|
|
}
|
|
RFlagItem *item = r_flag_get_i (core->flags, ds->at);
|
|
if (!item && ds->analop.ptr && ds->analop.ptr != UT64_MAX) {
|
|
item = r_flag_get_i (core->flags, ds->analop.ptr);
|
|
}
|
|
const char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, ds->at);
|
|
const char *vartype = r_meta_get_string (core->anal, R_META_TYPE_VARTYPE, ds->at);
|
|
if (!comment) {
|
|
if (vartype) {
|
|
R_FREE (ds->comment);
|
|
ds->comment = r_str_newf ("%s; %s", COLOR_ARG (ds, color_func_var_type), vartype);
|
|
} else if (item && R_STR_ISNOTEMPTY (item->comment)) {
|
|
ds->ocomment = item->comment;
|
|
R_FREE (ds->comment);
|
|
ds->comment = strdup (item->comment);
|
|
}
|
|
} else if (vartype) {
|
|
ds->comment = r_str_newf ("%s; %s %s%s; %s", COLOR_ARG (ds, color_func_var_type), vartype, Color_RESET, COLOR (ds, color_usrcmt), comment);
|
|
} else {
|
|
ds->comment = r_str_newf ("%s; %s", COLOR_ARG (ds, color_usrcmt), comment);
|
|
}
|
|
if (!ds->comment || !*ds->comment) {
|
|
R_FREE (ds->comment);
|
|
return;
|
|
}
|
|
linelen = strlen (ds->comment) + 5;
|
|
if (ds->show_comment_right_default) {
|
|
if (ds->ocols + linelen < core->cons->columns) {
|
|
if (!strchr (ds->comment, '\n')) { // more than one line?
|
|
ds->show_comment_right = true;
|
|
}
|
|
}
|
|
}
|
|
if (!ds->show_comment_right) {
|
|
ds_begin_line (ds);
|
|
int mycols = ds->lcols;
|
|
if ((mycols + linelen + 10) > core->cons->columns) {
|
|
mycols = 0;
|
|
}
|
|
mycols /= 2;
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->pal_comment);
|
|
}
|
|
/* print multiline comment */
|
|
if (ds->cmtfold) {
|
|
char *p = strdup (ds->comment);
|
|
char *q = strchr (p, '\n');
|
|
if (q) {
|
|
*q = 0;
|
|
r_cons_strcat (p);
|
|
r_cons_strcat (" ; [z] unfold");
|
|
}
|
|
free (p);
|
|
} else {
|
|
ds_pre_xrefs (ds, false);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->color_usrcmt);
|
|
}
|
|
ds_comment (ds, false, "%s", ds->comment);
|
|
}
|
|
if (ds->show_color) {
|
|
ds_print_color_reset (ds);
|
|
}
|
|
R_FREE (ds->comment);
|
|
ds_newline (ds);
|
|
/* flag one */
|
|
if (item && item->comment && ds->ocomment != item->comment) {
|
|
ds_begin_line (ds);
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->pal_comment);
|
|
}
|
|
r_cons_strcat (" ; ");
|
|
r_cons_strcat_justify (item->comment, mycols, ';');
|
|
ds_newline (ds);
|
|
if (ds->show_color) {
|
|
ds_print_color_reset (ds);
|
|
}
|
|
}
|
|
}
|
|
ds->show_comment_right = scr;
|
|
}
|
|
|
|
static ut64 flagVal(const void *a) {
|
|
const RFlagItem *fa = a;
|
|
return r_str_hash64 (fa->realname? fa->realname: fa->name);
|
|
}
|
|
|
|
#if 0
|
|
static int flagCmp(const void *a, const void *b) {
|
|
const RFlagItem *fa = a;
|
|
const RFlagItem *fb = b;
|
|
if (fa->realname && fb->realname) {
|
|
return strcmp (fa->realname, fb->realname);
|
|
}
|
|
return strcmp (fa->name, fb->name);
|
|
}
|
|
#endif
|
|
|
|
static void __preline_flag(RDisasmState *ds, RFlagItem *flag) {
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
ds_pre_line (ds);
|
|
if (ds->show_color) {
|
|
bool hasColor = false;
|
|
if (flag->color) {
|
|
char *color = r_cons_pal_parse (flag->color, NULL);
|
|
if (color) {
|
|
r_cons_strcat (color);
|
|
free (color);
|
|
ds->lastflag = flag;
|
|
hasColor = true;
|
|
}
|
|
}
|
|
if (!hasColor) {
|
|
r_cons_strcat (ds->color_flag);
|
|
}
|
|
}
|
|
if (!ds->show_offset) {
|
|
r_cons_printf (" ");
|
|
}
|
|
}
|
|
|
|
static bool is_first(const char *fs) {
|
|
if (fs) {
|
|
if (strstr (fs, "segment")) {
|
|
return true;
|
|
}
|
|
if (strstr (fs, "section")) {
|
|
return true;
|
|
}
|
|
if (strstr (fs, "format")) {
|
|
return true;
|
|
}
|
|
if (strstr (fs, "class")) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static RList *custom_sorted_flags(const RList *flaglist) {
|
|
RListIter *iter;
|
|
RFlagItem *flag;
|
|
if (!flaglist) {
|
|
return NULL;
|
|
}
|
|
RList *list = r_list_uniq (flaglist, flagVal);
|
|
RList *res = r_list_newf (NULL);
|
|
RList *rest = r_list_newf (NULL);
|
|
RList *tail = r_list_newf (NULL);
|
|
r_list_foreach (list, iter, flag) {
|
|
const char *fs = flag->space? flag->space->name: NULL;
|
|
if (is_first (fs)) {
|
|
r_list_append (res, flag);
|
|
} else {
|
|
r_list_append (rest, flag);
|
|
}
|
|
}
|
|
r_list_foreach (rest, iter, flag) {
|
|
const char *fs = flag->space? flag->space->name: NULL;
|
|
if (fs && !strcmp (fs, "registers")) {
|
|
r_list_append (tail, flag);
|
|
} else {
|
|
r_list_append (res, flag);
|
|
}
|
|
}
|
|
r_list_foreach (tail, iter, flag) {
|
|
r_list_append (res, flag);
|
|
}
|
|
r_list_free (tail);
|
|
r_list_free (rest);
|
|
list->free = NULL;
|
|
r_list_free (list);
|
|
return res;
|
|
}
|
|
|
|
#define printPre (outline || !*comma)
|
|
static void ds_show_flags(RDisasmState *ds, bool overlapped) {
|
|
RFlagItem *flag;
|
|
RListIter *iter;
|
|
|
|
if (!ds->show_flags) {
|
|
return;
|
|
}
|
|
RCore *core = ds->core;
|
|
char addr[64] = {0};
|
|
ut64 switch_addr = UT64_MAX;
|
|
int case_start = -1, case_prev = 0, case_current = 0;
|
|
RAnalFunction *f = r_anal_get_function_at (ds->core->anal, ds->at);
|
|
const RList *flaglist = r_flag_get_list (core->flags, ds->at);
|
|
RList *uniqlist = custom_sorted_flags (flaglist);
|
|
int count = 0;
|
|
bool outline = !ds->flags_inline;
|
|
const char *comma = "";
|
|
bool keep_lib = r_config_get_i (core->config, "bin.demangle.libs");
|
|
bool docolon = true;
|
|
int nth = 0;
|
|
#if 0
|
|
r_list_foreach (uniqlist, iter, flag) {
|
|
r_cons_printf ("(%s)(at:%s),", flag->name, flag->space->name);
|
|
}
|
|
#endif
|
|
r_list_foreach (uniqlist, iter, flag) {
|
|
if (!overlapped && f && f->addr == flag->offset && !strcmp (flag->name, f->name)) {
|
|
// do not show non-overlapped flags that have the same name as the function
|
|
// do not show flags that have the same name as the function
|
|
continue;
|
|
}
|
|
bool no_fcn_lines = (!overlapped && f && f->addr == flag->offset);
|
|
if (ds->maxflags && count >= ds->maxflags) {
|
|
if (printPre) {
|
|
ds_pre_xrefs (ds, no_fcn_lines);
|
|
}
|
|
r_cons_printf ("...");
|
|
break;
|
|
}
|
|
count++;
|
|
if (!strncmp (flag->name, "case.", 5)) {
|
|
char *chop = strdup (flag->name + 5);
|
|
char *dot = strchr (chop, '.');
|
|
if (dot) {
|
|
int mul = 1;
|
|
*dot++ = 0;
|
|
if (*dot == '_') {
|
|
mul = -1;
|
|
dot++;
|
|
}
|
|
ut64 saddr = r_num_get (core->num, chop);
|
|
case_current = mul * atoi (dot);
|
|
snprintf (addr, sizeof (addr), "0x%08"PFMT64x, saddr);
|
|
R_FREE (chop);
|
|
if (case_start == -1) {
|
|
switch_addr = saddr;
|
|
case_prev = case_current;
|
|
case_start = case_current;
|
|
if (iter != uniqlist->tail) {
|
|
continue;
|
|
}
|
|
}
|
|
if (case_current == case_prev + 1 && switch_addr == saddr) {
|
|
case_prev = case_current;
|
|
if (iter != uniqlist->tail) {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
R_FREE (chop);
|
|
}
|
|
if (printPre) {
|
|
ds_begin_line (ds);
|
|
}
|
|
|
|
bool fake_flag_marks = (!ds->show_offset && ds->show_marks);
|
|
if (printPre) {
|
|
if (ds->show_flgoff) {
|
|
ds_pre_line (ds);
|
|
ds_print_offset (ds);
|
|
if (!fake_flag_marks) {
|
|
r_cons_printf (" ");
|
|
}
|
|
} else {
|
|
ds_pre_xrefs (ds, no_fcn_lines);
|
|
}
|
|
}
|
|
|
|
bool hasColor = false;
|
|
char *color = NULL;
|
|
if (ds->show_color) {
|
|
if (flag->color) {
|
|
color = r_cons_pal_parse (flag->color, NULL);
|
|
if (color) {
|
|
r_cons_strcat (color);
|
|
ds->lastflag = flag;
|
|
hasColor = true;
|
|
}
|
|
}
|
|
if (!hasColor) {
|
|
r_cons_strcat (ds->color_flag);
|
|
}
|
|
}
|
|
|
|
if (ds->asm_demangle && flag->realname) {
|
|
if (!strncmp (flag->name, "switch.", 7)) {
|
|
r_cons_printf (FLAG_PREFIX"switch");
|
|
} else if (!strncmp (flag->name, "case.", 5)) {
|
|
if (nth > 0) {
|
|
__preline_flag (ds, flag);
|
|
}
|
|
if (!strncmp (flag->name + 5, "default", 7)) {
|
|
r_cons_printf (FLAG_PREFIX "default:"); // %s:", flag->name);
|
|
r_str_ncpy (addr, flag->name + 5 + strlen ("default."), sizeof (addr));
|
|
nth = 0;
|
|
} else if (case_prev != case_start) {
|
|
r_cons_printf (FLAG_PREFIX "case %d...%d:", case_start, case_prev);
|
|
if (iter != uniqlist->head && iter != uniqlist->tail) {
|
|
iter = iter->p;
|
|
}
|
|
case_start = case_current;
|
|
} else {
|
|
r_cons_printf (FLAG_PREFIX "case %d:", case_prev);
|
|
case_start = -1;
|
|
}
|
|
case_prev = case_current;
|
|
ds_align_comment (ds);
|
|
r_cons_printf ("%s; from %s", ds->show_color ? ds->pal_comment : "", addr);
|
|
outline = false;
|
|
docolon = false;
|
|
} else {
|
|
const char *lang = r_config_get (core->config, "bin.lang");
|
|
char *name = r_bin_demangle (core->bin->cur, lang, flag->realname, flag->offset, keep_lib);
|
|
if (!name) {
|
|
const char *n = flag->realname? flag->realname: flag->name;
|
|
if (n) {
|
|
name = strdup (n);
|
|
}
|
|
}
|
|
if (name) {
|
|
r_str_ansi_filter (name, NULL, NULL, -1);
|
|
if (!ds->flags_inline || nth == 0) {
|
|
r_cons_printf (FLAG_PREFIX);
|
|
if (overlapped) {
|
|
r_cons_printf ("%s(0x%08"PFMT64x")%s ",
|
|
ds->show_color ? ds->color_offset : "", ds->at,
|
|
ds->show_color ? (hasColor ? color : ds->color_flag): "");
|
|
}
|
|
}
|
|
if (outline) {
|
|
r_cons_printf ("%s:", name);
|
|
} else {
|
|
r_cons_printf ("%s%s", comma, flag->name);
|
|
}
|
|
R_FREE (name);
|
|
}
|
|
}
|
|
} else {
|
|
if (outline) {
|
|
r_cons_printf ("%s", flag->name);
|
|
} else {
|
|
r_cons_printf ("%s%s", comma, flag->name);
|
|
}
|
|
}
|
|
if (ds->show_color) {
|
|
r_cons_strcat (Color_RESET);
|
|
}
|
|
if (outline) {
|
|
ds_newline (ds);
|
|
} else {
|
|
comma = ", ";
|
|
}
|
|
nth++;
|
|
free (color);
|
|
}
|
|
if (!outline && *comma) {
|
|
if (nth > 0 && docolon) {
|
|
r_cons_printf (":");
|
|
}
|
|
ds_newline (ds);
|
|
}
|
|
r_list_free (uniqlist);
|
|
}
|
|
|
|
static void ds_update_ref_lines(RDisasmState *ds) {
|
|
if (ds->show_lines_bb) {
|
|
free (ds->line);
|
|
free (ds->line_col);
|
|
RAnalRefStr *line = r_anal_reflines_str (ds->core, ds->at, ds->linesopts);
|
|
ds->line = line->str;
|
|
ds->line_col = line->cols;
|
|
free (ds->refline);
|
|
ds->refline = ds->line? strdup (ds->line): NULL;
|
|
free (ds->refline2);
|
|
free (ds->prev_line_col);
|
|
free (line);
|
|
line = r_anal_reflines_str (ds->core, ds->at,
|
|
ds->linesopts | R_ANAL_REFLINE_TYPE_MIDDLE_BEFORE);
|
|
ds->refline2 = line->str;
|
|
ds->prev_line_col = line->cols;
|
|
if (ds->line) {
|
|
if (strchr (ds->line, '<')) {
|
|
ds->indent_level++;
|
|
}
|
|
if (strchr (ds->line, '>')) {
|
|
ds->indent_level--;
|
|
}
|
|
} else {
|
|
ds->indent_level = 0;
|
|
}
|
|
free (line);
|
|
} else {
|
|
R_FREE (ds->line);
|
|
R_FREE (ds->line_col);
|
|
R_FREE (ds->prev_line_col);
|
|
free (ds->refline);
|
|
free (ds->refline2);
|
|
free (ds->prev_line_col);
|
|
ds->refline = strdup ("");
|
|
ds->refline2 = strdup ("");
|
|
ds->line = NULL;
|
|
ds->line_col = NULL;
|
|
ds->prev_line_col = NULL;
|
|
}
|
|
}
|
|
|
|
static int ds_disassemble(RDisasmState *ds, ut8 *buf, int len) {
|
|
RCore *core = ds->core;
|
|
int ret;
|
|
|
|
// find the meta item at this offset if any
|
|
RPVector *metas = r_meta_get_all_at (ds->core->anal, ds->at); // TODO: do in range
|
|
RAnalMetaItem *meta = NULL;
|
|
ut64 meta_size = UT64_MAX;
|
|
if (metas) {
|
|
void **it;
|
|
r_pvector_foreach (metas, it) {
|
|
RIntervalNode *node = *it;
|
|
RAnalMetaItem *mi = node->data;
|
|
switch (mi->type) {
|
|
case R_META_TYPE_DATA:
|
|
case R_META_TYPE_STRING:
|
|
case R_META_TYPE_FORMAT:
|
|
case R_META_TYPE_MAGIC:
|
|
case R_META_TYPE_HIDE:
|
|
case R_META_TYPE_RUN:
|
|
meta = mi;
|
|
meta_size = r_meta_item_size (node->start, node->end);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
r_pvector_free (metas);
|
|
}
|
|
if (ds->hint && ds->hint->bits) {
|
|
if (!ds->core->anal->opt.ignbithints) {
|
|
r_config_set_i (core->config, "asm.bits", ds->hint->bits);
|
|
}
|
|
}
|
|
if (ds->hint && ds->hint->size) {
|
|
ds->oplen = ds->hint->size;
|
|
}
|
|
if (ds->hint && ds->hint->opcode) {
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->hint->opcode);
|
|
}
|
|
r_asm_op_fini (&ds->asmop);
|
|
ret = r_asm_disassemble (core->rasm, &ds->asmop, buf, len);
|
|
if (ds->asmop.size < 1) {
|
|
ds->asmop.size = 1;
|
|
}
|
|
// handle meta here //
|
|
if (!ds->asm_meta) {
|
|
size_t i = 0;
|
|
if (meta && meta_size > 0 && meta->type != R_META_TYPE_HIDE) {
|
|
// XXX this is just noise. should be rewritten
|
|
switch (meta->type) {
|
|
case R_META_TYPE_DATA:
|
|
#if 0
|
|
if (!R_STR_ISEMPTY (meta->str)) {
|
|
r_cons_printf (".data: %s\n", meta->str);
|
|
}
|
|
#endif
|
|
i += meta_size;
|
|
break;
|
|
case R_META_TYPE_STRING:
|
|
i += meta_size;
|
|
break;
|
|
case R_META_TYPE_FORMAT:
|
|
r_cons_printf (".format : %s\n", meta->str);
|
|
i += meta_size;
|
|
break;
|
|
case R_META_TYPE_MAGIC:
|
|
r_cons_printf (".magic : %s\n", meta->str);
|
|
i += meta_size;
|
|
break;
|
|
case R_META_TYPE_RUN:
|
|
r_core_cmd0 (core, meta->str);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
int sz = R_MIN (16, meta_size);
|
|
ds->asmop.size = sz;
|
|
r_asm_op_set_hexbuf (&ds->asmop, buf, sz);
|
|
const char *tail = (meta_size > 16)? "...": "";
|
|
r_strf_buffer (256);
|
|
switch (meta->type) {
|
|
case R_META_TYPE_STRING:
|
|
r_asm_op_set_asm (&ds->asmop, r_strf (".string \"%s%s\"", meta->str, tail));
|
|
break;
|
|
default: {
|
|
char *op_hex = r_asm_op_get_hex (&ds->asmop);
|
|
r_asm_op_set_asm (&ds->asmop, r_strf (".hex %s%s", op_hex, tail));
|
|
const bool be = core->rasm->config->big_endian;
|
|
int immbase = (ds->hint && ds->hint->immbase)? ds->hint->immbase: 0;
|
|
switch (meta_size) {
|
|
case 2:
|
|
ds->analop.val = r_read_ble16 (buf, be);
|
|
r_asm_op_set_asm (&ds->asmop, r_strf (".word 0x%04hx%s", (ut16)ds->analop.val, tail));
|
|
break;
|
|
case 4:
|
|
ds->analop.val = r_read_ble32 (buf, be);
|
|
switch (immbase) {
|
|
case 10:
|
|
r_asm_op_set_asm (&ds->asmop, r_strf (".int32 %d%s", (st32)ds->analop.val, tail));
|
|
break;
|
|
case 32:
|
|
r_asm_op_set_asm (&ds->asmop, r_strf (".ipaddr 0x%08x%s", (ut32)ds->analop.val, tail));
|
|
break;
|
|
default:
|
|
r_asm_op_set_asm (&ds->asmop, r_strf (".dword 0x%08x%s", (ut32)ds->analop.val, tail));
|
|
break;
|
|
}
|
|
break;
|
|
case 8:
|
|
ds->analop.val = r_read_ble64 (buf, be);
|
|
r_asm_op_set_asm (&ds->asmop, r_strf (".qword 0x%016"PFMT64x"%s", ds->analop.val, tail));
|
|
break;
|
|
}
|
|
free (op_hex);
|
|
break;
|
|
}
|
|
}
|
|
ds->oplen = meta_size;
|
|
return i;
|
|
}
|
|
}
|
|
|
|
if (ds->show_nodup) {
|
|
const char *opname = (ret < 1)? "invalid": r_asm_op_get_asm (&ds->asmop);
|
|
if (ds->prev_ins && !strcmp (ds->prev_ins, opname)) {
|
|
if (!ds->prev_ins_eq) {
|
|
ds->prev_ins_eq = true;
|
|
r_cons_printf ("...");
|
|
}
|
|
ds->prev_ins_count++;
|
|
return -31337;
|
|
}
|
|
if (ds->prev_ins_eq) {
|
|
r_cons_printf ("dup (%d)\n", ds->prev_ins_count);
|
|
}
|
|
ds->prev_ins_count = 0;
|
|
ds->prev_ins_eq = false;
|
|
if (ds->prev_ins) {
|
|
R_FREE (ds->prev_ins);
|
|
}
|
|
ds->prev_ins = strdup (r_asm_op_get_asm (&ds->asmop));
|
|
}
|
|
ds->oplen = ds->asmop.size;
|
|
|
|
if (ret < 1) {
|
|
ret = -1;
|
|
#if HASRETRY
|
|
if (!ds->count_bytes && ds->tries > 0) {
|
|
ds->at = core->rasm->pc;
|
|
ds->index = ds->at - ds->addr;
|
|
#if DEBUG_DISASM
|
|
eprintf ("ds_disassemble set ds->at to %#"PFMT64x"\n", ds->at);
|
|
#endif
|
|
ds->tries--;
|
|
return ret;
|
|
}
|
|
#endif
|
|
ds->lastfail = 1;
|
|
ds->asmop.size = (ds->hint && ds->hint->size) ? ds->hint->size : 1;
|
|
ds->oplen = ds->asmop.size;
|
|
} else {
|
|
ds->lastfail = 0;
|
|
ds->asmop.size = (ds->hint && ds->hint->size)
|
|
? ds->hint->size
|
|
: r_asm_op_get_size (&ds->asmop);
|
|
ds->oplen = ds->asmop.size;
|
|
}
|
|
if (ds->pseudo) {
|
|
#if 1
|
|
r_parse_parse (core->parser, ds->opstr
|
|
? ds->opstr
|
|
: r_asm_op_get_asm (&ds->asmop),
|
|
ds->str);
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->str);
|
|
#endif
|
|
}
|
|
if (ds->acase) {
|
|
r_str_case (r_asm_op_get_asm (&ds->asmop), 1);
|
|
} else if (ds->capitalize) {
|
|
char *ba = r_asm_op_get_asm (&ds->asmop);
|
|
*ba = toupper ((ut8)*ba);
|
|
}
|
|
if (meta && meta_size != UT64_MAX) {
|
|
ds->oplen = meta_size;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static void ds_control_flow_comments(RDisasmState *ds) {
|
|
if (ds->show_comments && ds->show_cmtflgrefs) {
|
|
RFlagItem *item;
|
|
if (ds->asm_anal) {
|
|
switch (ds->analop.type) {
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
r_core_cmdf (ds->core, "af @ 0x%"PFMT64x, ds->analop.jump);
|
|
break;
|
|
}
|
|
}
|
|
switch (ds->analop.type) {
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
case R_ANAL_OP_TYPE_CJMP:
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
item = r_flag_get_i (ds->core->flags, ds->analop.jump);
|
|
if (item && item->comment) {
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->pal_comment);
|
|
}
|
|
ds_align_comment (ds);
|
|
r_cons_printf (" ; ref to %s: %s\n", item->name, item->comment);
|
|
ds_print_color_reset (ds);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_print_lines_right(RDisasmState *ds) {
|
|
if (ds->linesright && ds->show_lines_bb && ds->line) {
|
|
ds_print_ref_lines (ds->line, ds->line_col, ds);
|
|
}
|
|
}
|
|
|
|
static void printCol(RDisasmState *ds, char *sect, int cols, const char *color) {
|
|
int pre;
|
|
if (cols < 8) {
|
|
cols = 8;
|
|
}
|
|
int outsz = cols + 32;
|
|
char *out = malloc (outsz);
|
|
if (!out) {
|
|
return;
|
|
}
|
|
memset (out, ' ', outsz);
|
|
out[outsz - 1] = 0;
|
|
int sect_len = strlen (sect);
|
|
|
|
if (sect_len > cols) {
|
|
sect[cols - 2] = '.';
|
|
sect[cols - 1] = '.';
|
|
sect[cols] = 0;
|
|
}
|
|
if (ds->show_color) {
|
|
pre = strlen (color) + 1;
|
|
snprintf (out, outsz-pre, "%s %s", color, sect);
|
|
strcat (out, Color_RESET);
|
|
out[outsz - 1] = 0;
|
|
} else {
|
|
r_str_ncpy (out + 1, sect, outsz - 2);
|
|
}
|
|
strcat (out, " ");
|
|
r_cons_strcat (out);
|
|
free (out);
|
|
}
|
|
|
|
static void ds_print_lines_left(RDisasmState *ds) {
|
|
if (ds->linesright) {
|
|
return;
|
|
}
|
|
RCore *core = ds->core;
|
|
if (ds->show_section) {
|
|
char *str = NULL;
|
|
if (ds->show_section_perm) {
|
|
// iosections must die, this should be rbin_section_get
|
|
RIOMap *map = r_io_map_get_at (core->io, ds->at);
|
|
str = strdup (map? r_str_rwx_i (map->perm): "---");
|
|
}
|
|
if (ds->show_section_name) {
|
|
str = r_str_appendf (str, " %s", r_core_get_section_name (core, ds->at));
|
|
}
|
|
char *sect = str? str: strdup ("");
|
|
printCol (ds, sect, ds->show_section_col, ds->color_reg);
|
|
free (sect);
|
|
}
|
|
if (ds->show_symbols) {
|
|
static R_TH_LOCAL RFlagItem sfi = {0};
|
|
const char *name = "";
|
|
int delta = 0;
|
|
if (ds->fcn) {
|
|
sfi.offset = ds->fcn->addr;
|
|
sfi.name = ds->fcn->name;
|
|
ds->lastflag = &sfi;
|
|
} else {
|
|
RFlagItem *fi = r_flag_get_at (core->flags, ds->at, !ds->lastflag);
|
|
if (fi) { // && (!ds->lastflag || fi->offset != ds->at))
|
|
sfi.offset = fi->offset;
|
|
sfi.name = fi->name;
|
|
ds->lastflag = &sfi;
|
|
}
|
|
}
|
|
if (ds->lastflag && ds->lastflag->name) {
|
|
name = ds->lastflag->name;
|
|
delta = ds->at - ds->lastflag->offset;
|
|
}
|
|
{
|
|
char *str = r_str_newf ("%s + %-4d", name, delta);
|
|
printCol (ds, str, ds->show_symbols_col, ds->color_num);
|
|
free (str);
|
|
}
|
|
}
|
|
if (ds->line) {
|
|
ds_print_ref_lines (ds->line, ds->line_col, ds);
|
|
}
|
|
}
|
|
|
|
static void ds_print_family(RDisasmState *ds) {
|
|
if (ds->show_family) {
|
|
const char *familystr = r_anal_op_family_to_string (ds->analop.family);
|
|
r_cons_printf ("%5s ", r_str_get (familystr));
|
|
}
|
|
}
|
|
|
|
static void ds_print_cycles(RDisasmState *ds) {
|
|
if (ds->show_cycles) {
|
|
if (!ds->analop.failcycles) {
|
|
r_cons_printf ("%3d ", ds->analop.cycles);
|
|
} else {
|
|
r_cons_printf ("%3d %3d ", ds->analop.cycles, ds->analop.failcycles);
|
|
}
|
|
}
|
|
if (ds->cyclespace) {
|
|
char spaces [32];
|
|
int times = R_MIN (ds->analop.cycles/4, 30); // limit to 30
|
|
memset (spaces, ' ', sizeof (spaces));
|
|
spaces[times] = 0;
|
|
r_cons_strcat (spaces);
|
|
}
|
|
}
|
|
|
|
#include "disasm_stackptr.inc"
|
|
|
|
static void ds_print_offset(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
ut64 at = ds->vat;
|
|
|
|
bool hasCustomColor = false;
|
|
// probably tooslow
|
|
RFlagItem *f = r_flag_get_at (core->flags, at, 1);
|
|
if (ds->show_color && f) { // ds->lastflag) {
|
|
const char *color = f->color;
|
|
if (ds->at >= f->offset && ds->at < f->offset + f->size) {
|
|
// if (r_itv_inrange (f->itv, ds->at))
|
|
if (color && *color) {
|
|
char *k = r_cons_pal_parse (f->color, NULL);
|
|
if (k) {
|
|
r_cons_printf ("%s", k);
|
|
hasCustomColor = true;
|
|
free (k);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
r_print_set_screenbounds (core->print, at);
|
|
if (ds->show_offset) {
|
|
static R_TH_LOCAL RFlagItem sfi = {0};
|
|
const char *label = NULL;
|
|
int delta = -1;
|
|
bool show_trace = false;
|
|
|
|
if (ds->show_reloff) {
|
|
RAnalFunction *f = r_anal_get_function_at (core->anal, at);
|
|
if (!f) {
|
|
f = fcnIn (ds, at, R_ANAL_FCN_TYPE_NULL); // r_anal_get_fcn_in (core->anal, at, R_ANAL_FCN_TYPE_NULL);
|
|
}
|
|
if (f) {
|
|
delta = at - f->addr;
|
|
sfi.name = f->name;
|
|
sfi.offset = f->addr;
|
|
ds->lastflag = &sfi;
|
|
label = f->name;
|
|
} else {
|
|
if (ds->show_reloff_flags) {
|
|
/* XXX: this is wrong if starting to disasm after a flag */
|
|
RFlagItem *fi = r_flag_get_i (core->flags, at);
|
|
if (fi) {
|
|
ds->lastflag = fi;
|
|
}
|
|
if (ds->lastflag) {
|
|
if (ds->lastflag->offset == at) {
|
|
delta = 0;
|
|
} else {
|
|
delta = at - ds->lastflag->offset;
|
|
}
|
|
} else {
|
|
delta = at - core->offset;
|
|
}
|
|
if (ds->lastflag) {
|
|
label = ds->lastflag->name;
|
|
}
|
|
}
|
|
}
|
|
if (!ds->lastflag) {
|
|
delta = 0;
|
|
}
|
|
}
|
|
if (ds->show_trace) {
|
|
RDebugTracepoint *tp = r_debug_trace_get (ds->core->dbg, ds->at);
|
|
show_trace = (tp? !!tp->count: false);
|
|
}
|
|
if (ds->hint && ds->hint->high) {
|
|
show_trace = true;
|
|
}
|
|
if (hasCustomColor) {
|
|
int of = core->print->flags;
|
|
core->print->flags = 0;
|
|
r_print_offset (core->print, at, (at == ds->dest) || show_trace, delta, label);
|
|
core->print->flags = of;
|
|
r_cons_strcat (Color_RESET);
|
|
} else {
|
|
r_print_offset (core->print, at, (at == ds->dest) || show_trace, delta, label);
|
|
}
|
|
}
|
|
if (ds->atabsoff > 0 && ds->show_offset) {
|
|
if (ds->_tabsoff != ds->atabsoff) {
|
|
// TODO optimize to avoid down resizing
|
|
char *b = malloc (ds->atabsoff + 1);
|
|
if (b) {
|
|
memset (b, ' ', ds->atabsoff);
|
|
b[ds->atabsoff] = 0;
|
|
free (ds->_tabsbuf);
|
|
ds->_tabsbuf = b;
|
|
ds->_tabsoff = ds->atabsoff;
|
|
}
|
|
}
|
|
r_cons_strcat (ds->_tabsbuf);
|
|
}
|
|
}
|
|
|
|
static void ds_print_op_size(RDisasmState *ds) {
|
|
if (ds->show_size) {
|
|
int size = ds->oplen;
|
|
r_cons_printf ("%d ", size); //ds->analop.size);
|
|
}
|
|
}
|
|
|
|
static void ds_print_trace(RDisasmState *ds) {
|
|
RDebugTracepoint *tp = NULL;
|
|
if (ds->show_trace) {
|
|
tp = r_debug_trace_get (ds->core->dbg, ds->at);
|
|
r_cons_printf ("%02x:%04x ", tp?tp->times:0, tp?tp->count:0);
|
|
}
|
|
if (ds->tracespace) {
|
|
char spaces [32];
|
|
int times;
|
|
if (!tp) {
|
|
tp = r_debug_trace_get (ds->core->dbg, ds->at);
|
|
}
|
|
if (tp) {
|
|
times = R_MIN (tp->times, 30); // limit to 30
|
|
memset (spaces, ' ', sizeof (spaces));
|
|
spaces[times] = 0;
|
|
r_cons_strcat (spaces);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_adistrick_comments(RDisasmState *ds) {
|
|
if (ds->adistrick) {
|
|
ds->middle = r_anal_reflines_middle (ds->core->anal,
|
|
ds->core->anal->reflines, ds->at, ds->analop.size);
|
|
}
|
|
}
|
|
|
|
// TODO move into RAnal.meta
|
|
static bool ds_print_data_type(RDisasmState *ds, const ut8 *obuf, int ib, int size) {
|
|
RCore *core = ds->core;
|
|
const char *type = NULL;
|
|
char msg[64];
|
|
const int isSigned = (ib == 1 || ib == 8 || ib == 10)? 1: 0;
|
|
switch (size) {
|
|
case 1: type = isSigned? ".char": ".byte"; break;
|
|
case 2: type = isSigned? ".int16": ".word"; break;
|
|
case 3: type = "htons"; break;
|
|
case 4: type = isSigned? ".int32": ".dword"; break;
|
|
case 8: type = isSigned? ".int64": ".qword"; break;
|
|
default: return false;
|
|
}
|
|
ut8 buf[sizeof (ut64)] = {0};
|
|
memcpy (buf, obuf, R_MIN (sizeof (ut64), size));
|
|
// adjust alignment
|
|
const bool be = core->rasm->config->big_endian;
|
|
ut64 n = r_read_ble (buf, be, size * 8);
|
|
if (ds->asm_hint_imm) { // thats not really an imm.. but well dont add more hints for now
|
|
(void) ds_print_shortcut (ds, n, ds->asm_hint_pos);
|
|
}
|
|
if (r_config_get_b (core->config, "asm.marks")) {
|
|
r_cons_printf (" ");
|
|
int q = core->print->cur_enabled &&
|
|
ds->cursor >= ds->index &&
|
|
ds->cursor < (ds->index + size);
|
|
if (q) {
|
|
if (ds->cursor > ds->index) {
|
|
int diff = ds->cursor - ds->index;
|
|
r_cons_printf ("%d ", diff);
|
|
} else if (ds->cursor == ds->index) {
|
|
r_cons_printf ("* ");
|
|
} else {
|
|
r_cons_printf (" ");
|
|
}
|
|
} else {
|
|
r_cons_printf (" ");
|
|
}
|
|
}
|
|
if (R_STR_ISNOTEMPTY (ds->color_mov)) {
|
|
r_cons_strcat (ds->color_mov);
|
|
}
|
|
switch (ib) {
|
|
case 1:
|
|
r_str_bits (msg, buf, size * 8, NULL);
|
|
r_cons_printf ("%s %sb", type, msg);
|
|
break;
|
|
case 3:
|
|
r_cons_printf ("%s %d", type, ntohs (n & 0xFFFF));
|
|
break;
|
|
case 8:
|
|
r_cons_printf ("%s %" PFMT64o "o", type, n);
|
|
break;
|
|
case 10:
|
|
r_cons_printf ("%s %" PFMT64d, type, n);
|
|
break;
|
|
default:
|
|
switch (size) {
|
|
case 1:
|
|
r_cons_printf ("%s 0x%02" PFMT64x, type, n);
|
|
break;
|
|
case 2:
|
|
r_cons_printf ("%s 0x%04" PFMT64x, type, n);
|
|
break;
|
|
case 4:
|
|
r_cons_printf ("%s 0x%08" PFMT64x, type, n);
|
|
break;
|
|
case 8:
|
|
r_cons_printf ("%s 0x%016" PFMT64x, type, n);
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (size == 4 || size == 8) {
|
|
if (r_str_startswith (r_config_get (core->config, "asm.arch"), "arm")) {
|
|
ut64 bits = r_config_get_i (core->config, "asm.bits");
|
|
//adjust address for arm/thumb address
|
|
if (bits < 64) {
|
|
if (n & 1) {
|
|
n--;
|
|
}
|
|
}
|
|
}
|
|
if (n >= ds->min_ref_addr) {
|
|
const RList *flags = r_flag_get_list (core->flags, n);
|
|
RListIter *iter;
|
|
RFlagItem *fi;
|
|
r_list_foreach (flags, iter, fi) {
|
|
r_cons_printf (" ; %s", fi->name);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool ds_print_meta_infos(RDisasmState *ds, ut8* buf, int len, int idx, int *mi_type) {
|
|
bool ret = false;
|
|
RAnalMetaItem *fmi;
|
|
RCore *core = ds->core;
|
|
if (!ds->asm_meta) {
|
|
return false;
|
|
}
|
|
RPVector *metas = r_meta_get_all_in (core->anal, ds->at, R_META_TYPE_ANY);
|
|
if (!metas) {
|
|
return false;
|
|
}
|
|
bool once = true;
|
|
fmi = NULL;
|
|
void **it;
|
|
r_pvector_foreach (metas, it) {
|
|
RIntervalNode *node = *it;
|
|
RAnalMetaItem *mi = node->data;
|
|
switch (mi->type) {
|
|
case R_META_TYPE_DATA:
|
|
if (once) {
|
|
if (ds->asm_hint_pos == 0) {
|
|
if (ds->asm_hint_lea) {
|
|
ds_print_shortcut (ds, node->start, 0);
|
|
} else {
|
|
r_cons_strcat (" ");
|
|
}
|
|
}
|
|
once = false;
|
|
}
|
|
break;
|
|
case R_META_TYPE_STRING:
|
|
fmi = mi;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
r_pvector_foreach (metas, it) {
|
|
RIntervalNode *node = *it;
|
|
RAnalMetaItem *mi = node->data;
|
|
ut64 mi_size = r_meta_node_size (node);
|
|
char *out = NULL;
|
|
int hexlen;
|
|
int delta;
|
|
if (fmi && mi != fmi) {
|
|
continue;
|
|
}
|
|
if (mi_type) {
|
|
*mi_type = mi->type;
|
|
}
|
|
switch (mi->type) {
|
|
case R_META_TYPE_STRING:
|
|
if (mi->str) {
|
|
bool esc_bslash = core->print->esc_bslash;
|
|
|
|
switch (mi->subtype) {
|
|
case R_STRING_ENC_UTF8:
|
|
out = r_str_escape_utf8 (mi->str, false, esc_bslash);
|
|
break;
|
|
case 0: /* temporary legacy workaround */
|
|
esc_bslash = false;
|
|
/* fallthrough */
|
|
default:
|
|
out = r_str_escape_latin1 (mi->str, false, esc_bslash, false);
|
|
}
|
|
if (!out) {
|
|
break;
|
|
}
|
|
r_cons_printf (" .string %s\"%s\"%s ; len=%"PFMT64d,
|
|
COLOR (ds, color_btext), out, COLOR_RESET (ds),
|
|
mi_size);
|
|
free (out);
|
|
delta = ds->at - node->start;
|
|
ds->oplen = mi_size - delta;
|
|
ds->asmop.size = (int)mi_size;
|
|
//i += mi->size-1; // wtf?
|
|
R_FREE (ds->line);
|
|
R_FREE (ds->line_col);
|
|
R_FREE (ds->refline);
|
|
R_FREE (ds->refline2);
|
|
R_FREE (ds->prev_line_col);
|
|
ret = true;
|
|
break;
|
|
}
|
|
case R_META_TYPE_HIDE:
|
|
r_cons_printf ("(%"PFMT64d" bytes hidden)", mi_size);
|
|
ds->asmop.size = mi_size;
|
|
ds->oplen = mi_size;
|
|
ret = true;
|
|
break;
|
|
case R_META_TYPE_RUN:
|
|
r_core_cmdf (core, "%s @ 0x%"PFMT64x, mi->str, ds->at);
|
|
ds->asmop.size = mi_size;
|
|
ds->oplen = mi_size;
|
|
ret = true;
|
|
break;
|
|
case R_META_TYPE_DATA:
|
|
hexlen = len - idx;
|
|
delta = ds->at - node->start;
|
|
if (mi_size < hexlen) {
|
|
hexlen = mi_size;
|
|
}
|
|
ds->oplen = mi_size - delta;
|
|
core->print->flags &= ~R_PRINT_FLAGS_HEADER;
|
|
int size = mi_size;
|
|
ut8 *b = malloc (mi_size);
|
|
if (b) {
|
|
int delta = ds->at - node->start;
|
|
if (delta > 0) {
|
|
ds->at -= delta;
|
|
r_cons_printf ("-%d ", delta);
|
|
}
|
|
r_io_read_at (core->io, ds->at, b, mi_size);
|
|
if (size > 0 && !ds_print_data_type (ds, b, ds->hint? ds->hint->immbase: 0, mi_size)) {
|
|
if (size > delta) {
|
|
r_cons_printf ("hex size=%d delta=%d\n", size , delta);
|
|
int remaining = size - delta;
|
|
remaining = R_MAX (remaining, 0);
|
|
if (remaining > (len - delta)) {
|
|
size_t calloc_size = R_MAX (len, size - delta);
|
|
if (idx < calloc_size) {
|
|
ut8 *b = calloc (1, calloc_size);
|
|
if (b) {
|
|
memcpy (b, buf, len);
|
|
r_print_hexdump (core->print, ds->at,
|
|
b + idx, remaining, 16, 1, 1);
|
|
free (b);
|
|
}
|
|
}
|
|
} else {
|
|
r_print_hexdump (core->print, ds->at,
|
|
buf + idx, remaining, 16, 1, 1);
|
|
}
|
|
} else {
|
|
r_cons_printf ("hex size=%d hexlen=%d delta=%d",
|
|
size, hexlen, delta);
|
|
}
|
|
}
|
|
free (b);
|
|
}
|
|
core->print->flags |= R_PRINT_FLAGS_HEADER;
|
|
ds->asmop.size = (int)size - (node->start - ds->at);
|
|
R_FREE (ds->line);
|
|
R_FREE (ds->line_col);
|
|
R_FREE (ds->refline);
|
|
R_FREE (ds->refline2);
|
|
R_FREE (ds->prev_line_col);
|
|
ret = true;
|
|
break;
|
|
case R_META_TYPE_FORMAT:
|
|
{
|
|
r_cons_printf ("pf %s # size=%" PFMT64d "\n", mi->str, mi_size);
|
|
int len_before = r_cons_get_buffer_len ();
|
|
r_print_format (core->print, ds->at, buf + idx,
|
|
len - idx, mi->str, R_PRINT_MUSTSEE, NULL, NULL);
|
|
int len_after = r_cons_get_buffer_len ();
|
|
const char *cons_buf = r_cons_get_buffer ();
|
|
if (len_after > len_before && buf && cons_buf[len_after - 1] == '\n') {
|
|
r_cons_drop (1);
|
|
}
|
|
ds->oplen = ds->asmop.size = (int)mi_size;
|
|
R_FREE (ds->line);
|
|
R_FREE (ds->refline);
|
|
R_FREE (ds->refline2);
|
|
R_FREE (ds->prev_line_col);
|
|
ret = true;
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
r_pvector_free (metas);
|
|
return ret;
|
|
}
|
|
|
|
static st64 revert_cdiv_magic(st64 magic) {
|
|
ut64 amagic = llabs (magic);
|
|
const st64 N = ST64_MAX;
|
|
st64 E, candidate;
|
|
short s;
|
|
|
|
if (amagic < 0xFFFFFF || amagic > UT32_MAX) {
|
|
return 0;
|
|
}
|
|
if (magic < 0) {
|
|
magic += 1LL << 32;
|
|
}
|
|
for (s = 0; s < 16; s++) {
|
|
E = 1LL << (32 + s);
|
|
candidate = (E + magic - 1) / magic;
|
|
if (candidate > 0) {
|
|
if (((N * magic) >> (32 + s)) == (N / candidate) ) {
|
|
return candidate;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void ds_cdiv_optimization(RDisasmState *ds) {
|
|
char *esil;
|
|
char *end, *comma;
|
|
st64 imm;
|
|
st64 divisor;
|
|
if (!ds->asm_hints || !ds->asm_hint_cdiv) {
|
|
return;
|
|
}
|
|
switch (ds->analop.type) {
|
|
case R_ANAL_OP_TYPE_MOV:
|
|
case R_ANAL_OP_TYPE_MUL:
|
|
esil = R_STRBUF_SAFEGET (&ds->analop.esil);
|
|
while (esil) {
|
|
comma = strchr (esil, ',');
|
|
if (!comma) {
|
|
break;
|
|
}
|
|
imm = strtol (esil, &end, 10);
|
|
if (comma && comma == end) {
|
|
divisor = revert_cdiv_magic (imm);
|
|
if (divisor) {
|
|
r_cons_printf (" ; CDIV: %"PFMT64d" * 2^n", divisor);
|
|
break;
|
|
}
|
|
}
|
|
esil = comma + 1;
|
|
}
|
|
}
|
|
// TODO: check following SHR instructions
|
|
}
|
|
|
|
static void ds_print_show_bytes(RDisasmState *ds) {
|
|
if (!ds->show_bytes || ds->nb < 1) {
|
|
return;
|
|
}
|
|
RCore* core = ds->core;
|
|
char pad[128];
|
|
size_t maxpad = sizeof (pad);
|
|
char *nstr, *str = NULL;
|
|
char *flagstr = NULL;
|
|
int oldFlags = core->print->flags;
|
|
char extra[128];
|
|
int j, k;
|
|
|
|
if (!ds->show_color_bytes) {
|
|
core->print->flags &= ~R_PRINT_FLAGS_COLOR;
|
|
}
|
|
strcpy (extra, " ");
|
|
if (ds->show_flag_in_bytes) {
|
|
flagstr = r_flag_get_liststr (core->flags, ds->at);
|
|
}
|
|
int nb = R_MIN (100, ds->nb);
|
|
if (flagstr) {
|
|
if (nb > 3 && strlen (flagstr) >= nb) {
|
|
flagstr[nb - 3] = '.';
|
|
flagstr[nb - 2] = 0;
|
|
}
|
|
str = r_str_newf ("%s:", flagstr);
|
|
if (nb > 0) {
|
|
k = nb - r_str_ansi_len (str) - 1;
|
|
if (k < 0) {
|
|
k = 0;
|
|
} else if (k >= maxpad) {
|
|
k = maxpad - 1;
|
|
}
|
|
for (j = 0; j < k; j++) {
|
|
pad[j] = ' ';
|
|
}
|
|
pad[j] = '\0';
|
|
} else {
|
|
pad[0] = 0;
|
|
}
|
|
R_FREE (flagstr);
|
|
} else {
|
|
if (ds->show_flag_in_bytes) {
|
|
k = nb - 1;
|
|
if (k < 0 || k > maxpad) {
|
|
k = maxpad;
|
|
}
|
|
for (j = 0; j < k; j++) {
|
|
pad[j] = ' ';
|
|
}
|
|
pad[j] = '\0';
|
|
str = strdup ("");
|
|
} else {
|
|
str = r_asm_op_get_hex (&ds->asmop);
|
|
if (r_str_ansi_len (str) > nb) {
|
|
char *p = (char *)r_str_ansi_chrn (str, nb);
|
|
if (p) {
|
|
p[0] = '.';
|
|
p[1] = '\0';
|
|
}
|
|
}
|
|
ds->print->cur_enabled = (ds->cursor != -1);
|
|
if (ds->show_bytes_opcolor) {
|
|
ds->print->nbcolor = (ds->analop.nopcode > 1)? ds->analop.nopcode: 1;
|
|
} else {
|
|
ds->print->nbcolor = 0;
|
|
}
|
|
nstr = r_print_hexpair (ds->print, str, ds->index);
|
|
ds->print->nbcolor = 0;
|
|
if (ds->print->bytespace) {
|
|
k = (nb + (nb / 2)) - r_str_ansi_len (nstr) + 2;
|
|
} else {
|
|
k = nb - r_str_ansi_len (nstr) + 1;
|
|
}
|
|
if (k > 0) {
|
|
// setting to sizeof screw up the disasm
|
|
if (k >= maxpad) {
|
|
k = maxpad - 1;
|
|
}
|
|
for (j = 0; j < k; j++) {
|
|
pad[j] = ' ';
|
|
}
|
|
pad[j] = 0;
|
|
if (ds->lbytes) {
|
|
// hack to align bytes left
|
|
strcpy (extra, pad);
|
|
*pad = 0;
|
|
}
|
|
} else {
|
|
pad[0] = 0;
|
|
}
|
|
free (str);
|
|
str = nstr;
|
|
}
|
|
}
|
|
r_cons_printf ("%s%s %s", pad, str, extra);
|
|
free (str);
|
|
core->print->flags = oldFlags;
|
|
}
|
|
|
|
static void ds_print_indent(RDisasmState *ds) {
|
|
if (ds->show_indent) {
|
|
char indent[128];
|
|
int num = ds->indent_level * ds->indent_space;
|
|
if (num < 0) {
|
|
num = 0;
|
|
}
|
|
if (num >= sizeof (indent)) {
|
|
num = sizeof (indent) - 1;
|
|
}
|
|
memset (indent, ' ', num);
|
|
indent[num] = 0;
|
|
r_cons_strcat (indent);
|
|
}
|
|
}
|
|
|
|
static void ds_print_vliw(RDisasmState *ds, bool after) {
|
|
const int c = ds->vliw_count;
|
|
const int v = ds->analop.vliw;
|
|
if (after) {
|
|
if (c > 0) {
|
|
ds->vliw_count--;
|
|
if (c == 1) {
|
|
r_cons_printf (" }");
|
|
}
|
|
}
|
|
} else {
|
|
if (v > 0) {
|
|
if (c > 0) {
|
|
r_cons_printf ("}{ ");
|
|
} else {
|
|
r_cons_printf ("{ ");
|
|
}
|
|
ds->vliw_count = v;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_print_optype(RDisasmState *ds) {
|
|
if (ds->show_optype) {
|
|
const char *optype = r_anal_optype_to_string (ds->analop.type);
|
|
ds_print_color_reset (ds);
|
|
const char *pad = r_str_pad (' ', 8 - strlen (optype));
|
|
r_cons_printf ("[%s]%s", optype, pad);
|
|
}
|
|
}
|
|
|
|
static void ds_print_opstr(RDisasmState *ds) {
|
|
ds_print_indent (ds);
|
|
if (ds->asm_instr) {
|
|
r_cons_strcat (ds->opstr);
|
|
ds_print_color_reset (ds);
|
|
}
|
|
}
|
|
|
|
static void ds_print_color_reset(RDisasmState *ds) {
|
|
if (ds->show_color) {
|
|
r_cons_strcat (Color_RESET);
|
|
}
|
|
}
|
|
|
|
static int ds_print_middle(RDisasmState *ds, int ret) {
|
|
if (ds->middle != 0) {
|
|
ret -= ds->middle;
|
|
ds_align_comment (ds);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->pal_comment);
|
|
}
|
|
r_cons_printf (" ; *middle* %d", ret);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (Color_RESET);
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static bool ds_print_labels(RDisasmState *ds, RAnalFunction *f) {
|
|
const char *label;
|
|
if (!f) {
|
|
// f = r_anal_get_fcn_in (core->anal, ds->at, 0);
|
|
f = fcnIn (ds, ds->at, 0);
|
|
}
|
|
if (!f) {
|
|
return false;
|
|
}
|
|
label = r_anal_function_get_label_at (f, ds->at);
|
|
if (!label) {
|
|
return false;
|
|
}
|
|
ds_pre_line (ds);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->color_label);
|
|
r_cons_printf (" .%s:\n", label);
|
|
ds_print_color_reset (ds);
|
|
} else {
|
|
r_cons_printf (" .%s:\n", label);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static void ds_print_sysregs(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
if (!ds->show_comments) {
|
|
return;
|
|
}
|
|
switch (ds->analop.type) {
|
|
// Syscalls first
|
|
case R_ANAL_OP_TYPE_IO:
|
|
{
|
|
const int imm = (int)ds->analop.val;
|
|
RSyscall *sc = core->anal->syscall;
|
|
const char *ioname = r_syscall_get_io (sc, imm);
|
|
if (ioname && *ioname) {
|
|
ds_comment_align (ds);
|
|
ds_comment (ds, true, "; IO %s", ioname);
|
|
ds->has_description = true;
|
|
}
|
|
}
|
|
break;
|
|
// Then sysregs
|
|
case R_ANAL_OP_TYPE_MOV:
|
|
case R_ANAL_OP_TYPE_LEA:
|
|
case R_ANAL_OP_TYPE_LOAD:
|
|
case R_ANAL_OP_TYPE_STORE:
|
|
{
|
|
const int imm = (int)ds->analop.ptr;
|
|
const char *sr = r_syscall_sysreg (core->anal->syscall, "reg", imm);
|
|
if (sr) {
|
|
ds_comment_align (ds);
|
|
ds_comment (ds, true, "; REG %s - %s", sr, "");
|
|
// TODO: add register description description
|
|
ds->has_description = true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void ds_print_fcn_name(RDisasmState *ds) {
|
|
if (!ds->show_comments) {
|
|
return;
|
|
}
|
|
if (ds->analop.type != R_ANAL_OP_TYPE_JMP
|
|
&& ds->analop.type != R_ANAL_OP_TYPE_CJMP
|
|
&& ds->analop.type != R_ANAL_OP_TYPE_CALL) {
|
|
return;
|
|
}
|
|
RAnalFunction *f = fcnIn (ds, ds->analop.jump, R_ANAL_FCN_TYPE_NULL);
|
|
if (!f && ds->core->flags && (!ds->core->vmode || (!ds->subjmp && !ds->subnames))) {
|
|
const char *arch;
|
|
RFlagItem *flag = r_flag_get_by_spaces (ds->core->flags, ds->analop.jump,
|
|
R_FLAGS_FS_CLASSES, R_FLAGS_FS_SYMBOLS, NULL);
|
|
if (flag && flag->name
|
|
&& ds->opstr && !strstr (ds->opstr, flag->name)
|
|
&& (r_str_startswith (flag->name, "sym.")
|
|
|| r_str_startswith (flag->name, "method."))
|
|
&& (arch = r_config_get (ds->core->config, "asm.arch"))
|
|
&& strcmp (arch, "dalvik")) {
|
|
RFlagItem *flag_sym = flag;
|
|
if (ds->core->vmode && ds->asm_demangle
|
|
&& (r_str_startswith (flag->name, "sym.")
|
|
|| (flag_sym = r_flag_get_by_spaces (ds->core->flags,
|
|
ds->analop.jump, R_FLAGS_FS_SYMBOLS, NULL)))
|
|
&& flag_sym->demangled) {
|
|
return;
|
|
}
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; %s", flag->name);
|
|
return;
|
|
}
|
|
}
|
|
if (!f || !f->name) {
|
|
return;
|
|
}
|
|
st64 delta = ds->analop.jump - f->addr;
|
|
const char *label = r_anal_function_get_label_at (f, ds->analop.jump);
|
|
if (label) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; %s.%s", f->name, label);
|
|
} else {
|
|
RAnalFunction *f2 = fcnIn (ds, ds->at, 0);
|
|
if (f == f2) {
|
|
return;
|
|
}
|
|
if (delta > 0) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; %s+0x%x", f->name, delta);
|
|
} else if (delta < 0) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; %s-0x%x", f->name, -delta);
|
|
} else if ((!ds->core->vmode || (!ds->subjmp && !ds->subnames))
|
|
&& (!ds->opstr || !strstr (ds->opstr, f->name))) {
|
|
RFlagItem *flag_sym;
|
|
if (ds->core->vmode
|
|
&& ds->asm_demangle
|
|
&& (flag_sym = r_flag_get_by_spaces (ds->core->flags,
|
|
ds->analop.jump,
|
|
R_FLAGS_FS_SYMBOLS, NULL))
|
|
&& flag_sym->demangled) {
|
|
return;
|
|
}
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; %s", f->name);
|
|
}
|
|
}
|
|
}
|
|
|
|
static int ds_print_shortcut(RDisasmState *ds, ut64 addr, int pos) {
|
|
char *shortcut = r_core_add_asmqjmp (ds->core, addr);
|
|
int slen = shortcut? strlen (shortcut): 0;
|
|
if (ds->asm_hint_pos > 0) {
|
|
if (pos) {
|
|
ds_align_comment (ds);
|
|
}
|
|
}
|
|
const char *ch = (pos)? ";": "";
|
|
if (ds->asm_hint_pos == -1) {
|
|
ch = " ";
|
|
}
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->pal_comment);
|
|
}
|
|
if (*ch) {
|
|
slen++;
|
|
}
|
|
if (shortcut) {
|
|
if (ds->core->is_asmqjmps_letter) {
|
|
r_cons_printf ("%s[o%s]", ch, shortcut);
|
|
slen++;
|
|
} else {
|
|
r_cons_printf ("%s[%s]", ch, shortcut);
|
|
}
|
|
free (shortcut);
|
|
} else {
|
|
r_cons_printf ("%s[?]", ch);
|
|
}
|
|
if (ds->show_color) {
|
|
if (ds->core->print->resetbg) {
|
|
r_cons_strcat (Color_RESET);
|
|
} else {
|
|
r_cons_strcat (Color_RESET_NOBG);
|
|
}
|
|
}
|
|
slen++;
|
|
return slen;
|
|
}
|
|
|
|
static bool ds_print_core_vmode_jump_hit(RDisasmState *ds, int pos) {
|
|
RCore *core = ds->core;
|
|
RAnal *a = core->anal;
|
|
RAnalHint *hint = r_anal_hint_get (a, ds->at);
|
|
bool res = false;
|
|
if (hint) {
|
|
if (hint->jump != UT64_MAX) {
|
|
ds_print_shortcut (ds, hint->jump, pos);
|
|
res = true;
|
|
}
|
|
r_anal_hint_free (hint);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static ut64 get_ptr(RDisasmState *ds, ut64 addr) {
|
|
ut8 buf[sizeof (ut64)] = {0};
|
|
r_io_read_at (ds->core->io, addr, buf, sizeof (buf));
|
|
ut64 n64_32;
|
|
if (ds->core->rasm->config->bits == 64) {
|
|
n64_32 = r_read_ble64 (buf, 0);
|
|
} else {
|
|
n64_32 = r_read_ble32 (buf, 0);
|
|
}
|
|
return n64_32;
|
|
}
|
|
|
|
static ut64 get_ptr_ble(RDisasmState *ds, ut64 addr) {
|
|
ut8 buf[sizeof (ut64)] = {0};
|
|
int endian = ds->core->rasm->config->big_endian;
|
|
ut64 n64_32;
|
|
r_io_read_at (ds->core->io, addr, buf, sizeof (buf));
|
|
if (ds->core->rasm->config->bits == 64) {
|
|
n64_32 = r_read_ble64 (buf, endian);
|
|
} else {
|
|
n64_32 = r_read_ble32 (buf, endian);
|
|
}
|
|
return n64_32;
|
|
}
|
|
|
|
static bool ds_print_core_vmode(RDisasmState *ds, int pos) {
|
|
RCore *core = ds->core;
|
|
bool gotShortcut = false;
|
|
int i, slen = 0;
|
|
|
|
if (!core->vmode) {
|
|
return false;
|
|
}
|
|
if (!ds->asm_hints) {
|
|
return false;
|
|
}
|
|
if (ds->asm_hint_emu) {
|
|
if (ds->emuptr) {
|
|
if (r_io_is_valid_offset (core->io, ds->emuptr, 0)) {
|
|
ds_print_shortcut (ds, ds->emuptr, pos);
|
|
//getPtr (ds, ds->emuptr, pos);
|
|
ds->emuptr = 0;
|
|
ds->hinted_line = true;
|
|
gotShortcut = true;
|
|
goto beach;
|
|
}
|
|
}
|
|
}
|
|
if (ds->asm_hint_lea) {
|
|
ut64 size;
|
|
RAnalMetaItem *mi = r_meta_get_at (ds->core->anal, ds->at, R_META_TYPE_ANY, &size);
|
|
if (mi) {
|
|
int obits = ds->core->rasm->config->bits;
|
|
r_arch_config_set_bits (ds->core->rasm->config, size * 8);
|
|
slen = ds_print_shortcut(ds, get_ptr (ds, ds->at), pos);
|
|
r_arch_config_set_bits (ds->core->rasm->config, obits);
|
|
gotShortcut = true;
|
|
}
|
|
}
|
|
switch (ds->analop.type) {
|
|
case R_ANAL_OP_TYPE_UJMP:
|
|
case R_ANAL_OP_TYPE_UJMP | R_ANAL_OP_TYPE_IND:
|
|
case R_ANAL_OP_TYPE_UJMP | R_ANAL_OP_TYPE_IND | R_ANAL_OP_TYPE_COND:
|
|
case R_ANAL_OP_TYPE_UJMP | R_ANAL_OP_TYPE_IND | R_ANAL_OP_TYPE_REG:
|
|
if (ds->asm_hint_lea) {
|
|
if (ds->analop.ptr != UT64_MAX && ds->analop.ptr != UT32_MAX) {
|
|
slen = ds_print_shortcut (ds, get_ptr (ds, ds->analop.ptr), pos);
|
|
gotShortcut = true;
|
|
}
|
|
}
|
|
break;
|
|
case R_ANAL_OP_TYPE_MOV:
|
|
case R_ANAL_OP_TYPE_LEA:
|
|
case R_ANAL_OP_TYPE_LOAD:
|
|
if (ds->asm_hint_imm) {
|
|
if (ds->analop.val != UT64_MAX && ds->analop.val != UT32_MAX && ds->analop.val > 256) {
|
|
slen = ds_print_shortcut (ds, ds->analop.val, pos);
|
|
gotShortcut = true;
|
|
}
|
|
} else if (ds->asm_hint_lea) {
|
|
if (ds->analop.ptr != UT64_MAX && ds->analop.ptr != UT32_MAX && ds->analop.ptr > 256) {
|
|
slen = ds_print_shortcut (ds, ds->analop.ptr, pos);
|
|
gotShortcut = true;
|
|
}
|
|
}
|
|
break;
|
|
case R_ANAL_OP_TYPE_UCALL:
|
|
case R_ANAL_OP_TYPE_UCALL | R_ANAL_OP_TYPE_REG | R_ANAL_OP_TYPE_IND:
|
|
case R_ANAL_OP_TYPE_UCALL | R_ANAL_OP_TYPE_IND:
|
|
if (ds->asm_hint_call) {
|
|
if (ds->analop.jump != UT64_MAX) {
|
|
slen = ds_print_shortcut (ds, ds->analop.jump, pos);
|
|
} else {
|
|
ut64 addr;
|
|
if (ds->asm_hint_call_indirect) {
|
|
addr = get_ptr_ble (ds, ds->analop.ptr);
|
|
} else {
|
|
addr = ds->analop.ptr;
|
|
}
|
|
slen = ds_print_shortcut (ds, addr, pos);
|
|
}
|
|
gotShortcut = true;
|
|
}
|
|
break;
|
|
case R_ANAL_OP_TYPE_RJMP:
|
|
case R_ANAL_OP_TYPE_RCALL:
|
|
if (ds->analop.jump != UT64_MAX && ds->analop.jump != UT32_MAX) {
|
|
slen = ds_print_shortcut (ds, ds->analop.jump, pos);
|
|
gotShortcut = true;
|
|
}
|
|
break;
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
case R_ANAL_OP_TYPE_CJMP:
|
|
if (ds->asm_hint_jmp) {
|
|
slen = ds_print_shortcut (ds, ds->analop.jump, pos);
|
|
gotShortcut = true;
|
|
}
|
|
break;
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
case R_ANAL_OP_TYPE_COND | R_ANAL_OP_TYPE_CALL:
|
|
if (ds->asm_hint_call) {
|
|
slen = ds_print_shortcut (ds, ds->analop.jump, pos);
|
|
gotShortcut = true;
|
|
}
|
|
break;
|
|
default:
|
|
if (ds_print_core_vmode_jump_hit (ds, pos)) {
|
|
gotShortcut = true;
|
|
}
|
|
break;
|
|
}
|
|
beach:
|
|
if (ds->asm_hint_pos > 0) {
|
|
const int begin = gotShortcut ? 2: 3;
|
|
for (i = begin - slen; i > 0; i--) {
|
|
r_cons_strcat (" ");
|
|
}
|
|
} else if (ds->asm_hint_pos == 0 && !gotShortcut) {
|
|
r_cons_strcat (" ");
|
|
}
|
|
ds->hinted_line = gotShortcut;
|
|
return gotShortcut;
|
|
}
|
|
|
|
static void ds_begin_nl_comment(RDisasmState *ds) {
|
|
if (ds->cmtcount > 0 && ds->show_comment_right) {
|
|
ds_newline (ds);
|
|
ds_begin_cont (ds);
|
|
} else if (ds->cmtcount > 0 || !ds->show_comment_right) {
|
|
ds_begin_line (ds);
|
|
ds_pre_xrefs (ds, false);
|
|
}
|
|
if (ds->show_color && (ds->cmtcount > 0 || ds->show_comment_right)) {
|
|
r_cons_print (ds->pal_comment);
|
|
}
|
|
}
|
|
|
|
// align for comment
|
|
static void ds_align_comment(RDisasmState *ds) {
|
|
if (!ds->show_comment_right_default) {
|
|
return;
|
|
}
|
|
const int cmtcol = ds->cmtcol - 1;
|
|
const char *ll = r_cons_get_buffer ();
|
|
if (!ll) {
|
|
return;
|
|
}
|
|
ll += ds->buf_line_begin;
|
|
int cells = r_str_len_utf8_ansi (ll);
|
|
int cols = ds->interactive ? ds->core->cons->columns : 1024;
|
|
if (cells < cmtcol) {
|
|
int len = cmtcol - cells;
|
|
if (len < cols && len > 0) {
|
|
r_cons_memset (' ', len);
|
|
}
|
|
}
|
|
r_cons_print (" ");
|
|
}
|
|
|
|
static void ds_print_dwarf(RDisasmState *ds) {
|
|
if (ds->show_dwarf) {
|
|
// TODO: cache value in ds
|
|
int dwarfFile = (int)ds->dwarfFile + (int)ds->dwarfAbspath;
|
|
free (ds->sl);
|
|
ds->sl = r_bin_addr2text (ds->core->bin, ds->at, dwarfFile);
|
|
if (ds->sl) {
|
|
if ((!ds->osl || (ds->osl && strcmp (ds->sl, ds->osl)))) {
|
|
char *line = strdup (ds->sl);
|
|
if (!line) {
|
|
return;
|
|
}
|
|
r_str_replace_char (line, '\t', ' ');
|
|
r_str_replace_char (line, '\x1b', ' ');
|
|
r_str_replace_char (line, '\r', ' ');
|
|
r_str_replace_char (line, '\n', '\x00');
|
|
r_str_trim (line);
|
|
if (!*line) {
|
|
free (line);
|
|
return;
|
|
}
|
|
// handle_set_pre (ds, " ");
|
|
ds_align_comment (ds);
|
|
if (ds->show_color) {
|
|
r_cons_printf ("%s; %s"Color_RESET, ds->pal_comment, line);
|
|
} else {
|
|
r_cons_printf ("; %s", line);
|
|
}
|
|
free (ds->osl);
|
|
ds->osl = ds->sl;
|
|
ds->sl = NULL;
|
|
free (line);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_print_asmop_payload(RDisasmState *ds, const ut8 *buf) {
|
|
if (ds->show_varaccess) {
|
|
// XXX assume analop is filled
|
|
//r_anal_op (core->anal, &ds->analop, ds->at, core->block+i, core->blocksize-i);
|
|
int v = ds->analop.ptr;
|
|
switch (ds->analop.stackop) {
|
|
case R_ANAL_STACK_GET:
|
|
if (v < 0) {
|
|
r_cons_printf (" ; local.get %d", -v);
|
|
} else {
|
|
r_cons_printf (" ; arg.get %d", v);
|
|
}
|
|
break;
|
|
case R_ANAL_STACK_SET:
|
|
if (v < 0) {
|
|
r_cons_printf (" ; local.set %d", -v);
|
|
} else {
|
|
r_cons_printf (" ; arg.set %d", v);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (ds->asmop.payload != 0) {
|
|
r_cons_printf ("\n; .. payload of %d byte(s)", ds->asmop.payload);
|
|
if (ds->showpayloads) {
|
|
int mod = ds->asmop.payload % ds->core->rasm->dataalign;
|
|
int x;
|
|
for (x = 0; x < ds->asmop.payload; x++) {
|
|
r_cons_printf ("\n 0x%02x", buf[ds->oplen + x]);
|
|
}
|
|
for (x = 0; x < mod; x++) {
|
|
r_cons_printf ("\n 0x%02x ; alignment", buf[ds->oplen + ds->asmop.payload + x]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Do not use this function for escaping JSON! */
|
|
static char *ds_esc_str(RDisasmState *ds, const char *str, int len, const char **prefix_out, bool is_comment) {
|
|
int str_len;
|
|
char *escstr = NULL;
|
|
const char *prefix = "";
|
|
bool esc_bslash = ds->core->print->esc_bslash;
|
|
RStrEnc strenc = ds->strenc;
|
|
if (strenc == R_STRING_ENC_GUESS) {
|
|
strenc = r_utf_bom_encoding ((ut8 *)str, len);
|
|
}
|
|
switch (strenc) {
|
|
case R_STRING_ENC_LATIN1:
|
|
escstr = r_str_escape_latin1 (str, ds->show_asciidot, esc_bslash, is_comment);
|
|
break;
|
|
case R_STRING_ENC_UTF8:
|
|
escstr = r_str_escape_utf8 (str, ds->show_asciidot, esc_bslash);
|
|
break;
|
|
case R_STRING_ENC_UTF16LE:
|
|
escstr = r_str_escape_utf16le (str, len, ds->show_asciidot, esc_bslash);
|
|
prefix = "u";
|
|
break;
|
|
case R_STRING_ENC_UTF32LE:
|
|
escstr = r_str_escape_utf32le (str, len, ds->show_asciidot, esc_bslash);
|
|
prefix = "U";
|
|
break;
|
|
case R_STRING_ENC_UTF16BE:
|
|
escstr = r_str_escape_utf16be (str, len, ds->show_asciidot, esc_bslash);
|
|
prefix = "ub";
|
|
break;
|
|
case R_STRING_ENC_UTF32BE:
|
|
escstr = r_str_escape_utf32be (str, len, ds->show_asciidot, esc_bslash);
|
|
prefix = "Ub";
|
|
break;
|
|
default:
|
|
str_len = strlen (str);
|
|
if ((str_len == 1 && len > 3 && str[2] && !str[3])
|
|
|| (str_len == 3 && len > 5 && !memcmp (str, "\xff\xfe", 2) && str[4] && !str[5])) {
|
|
escstr = r_str_escape_utf16le (str, len, ds->show_asciidot, esc_bslash);
|
|
prefix = "u";
|
|
} else if (str_len == 1 && len > 7 && !str[2] && !str[3] && str[4] && !str[5]) {
|
|
RStrEnc enc = R_STRING_ENC_UTF32LE;
|
|
RRune ch;
|
|
const char *ptr, *end;
|
|
end = (const char *)r_mem_mem_aligned ((ut8 *)str, len, (ut8 *)"\0\0\0\0", 4, 4);
|
|
if (!end) {
|
|
end = str + len - 1;
|
|
}
|
|
for (ptr = str; ptr < end; ptr += 4) {
|
|
if (r_utf32le_decode ((ut8 *)ptr, end - ptr, &ch) > 0 && ch > 0x10ffff) {
|
|
enc = R_STRING_ENC_LATIN1;
|
|
break;
|
|
}
|
|
}
|
|
if (enc == R_STRING_ENC_UTF32LE) {
|
|
escstr = r_str_escape_utf32le (str, len, ds->show_asciidot, esc_bslash);
|
|
prefix = "U";
|
|
} else {
|
|
escstr = r_str_escape_latin1 (str, ds->show_asciidot, esc_bslash, is_comment);
|
|
}
|
|
} else {
|
|
RStrEnc enc = R_STRING_ENC_LATIN1;
|
|
const char *ptr = str, *end = str + str_len;
|
|
for (; ptr < end; ptr++) {
|
|
if (r_utf8_decode ((ut8 *)ptr, end - ptr, NULL) > 1) {
|
|
enc = R_STRING_ENC_UTF8;
|
|
break;
|
|
}
|
|
}
|
|
escstr = (enc == R_STRING_ENC_UTF8 ?
|
|
r_str_escape_utf8 (str, ds->show_asciidot, esc_bslash) :
|
|
r_str_escape_latin1 (str, ds->show_asciidot, esc_bslash, is_comment));
|
|
}
|
|
}
|
|
if (prefix_out) {
|
|
*prefix_out = prefix;
|
|
}
|
|
return escstr;
|
|
}
|
|
|
|
static void ds_print_str(RDisasmState *ds, const char *str, int len, ut64 refaddr) {
|
|
if (ds->core->flags->realnames || !r_bin_string_filter (ds->core->bin, str, refaddr)) {
|
|
return;
|
|
}
|
|
// do not resolve strings on arm64 pointed with ADRP
|
|
if (ds->analop.type == R_ANAL_OP_TYPE_LEA) {
|
|
if (ds->core->rasm->config->bits == 64 && r_str_startswith (r_config_get (ds->core->config, "asm.arch"), "arm")) {
|
|
return;
|
|
}
|
|
}
|
|
const char *prefix;
|
|
char *escstr = ds_esc_str (ds, str, len, &prefix, false);
|
|
if (escstr) {
|
|
bool inv = ds->show_color && !ds->show_emu_strinv;
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; %s%s\"%s\"%s", inv? Color_INVERT: "", prefix, escstr,
|
|
inv? Color_INVERT_RESET: "");
|
|
ds->printed_str_addr = refaddr;
|
|
free (escstr);
|
|
}
|
|
}
|
|
|
|
static inline bool is_filtered_flag(RDisasmState *ds, const char *name) {
|
|
if (ds->show_noisy_comments || strncmp (name, "str.", 4)) {
|
|
return false;
|
|
}
|
|
ut64 refaddr = ds->analop.ptr;
|
|
const char *anal_flag = r_meta_get_string (ds->core->anal, R_META_TYPE_STRING, refaddr);
|
|
if (anal_flag) {
|
|
char *dupped = strdup (anal_flag);
|
|
if (dupped) {
|
|
r_name_filter (dupped, -1);
|
|
if (!strcmp (&name[4], dupped)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* convert numeric value in opcode to ascii char or number */
|
|
static void ds_print_ptr(RDisasmState *ds, int len, int idx) {
|
|
RCore *core = ds->core;
|
|
const bool be = core->rasm->config->big_endian;
|
|
ut64 p = ds->analop.ptr;
|
|
ut64 v = ds->analop.val;
|
|
ut64 refaddr = p;
|
|
bool aligned = false;
|
|
int refptr = ds->analop.refptr;
|
|
RFlagItem *f = NULL, *f2 = NULL;
|
|
bool f2_in_opstr = false; /* Also if true, f exists */
|
|
if (!ds->show_comments || !ds->show_slow) {
|
|
return;
|
|
}
|
|
const int opType = ds->analop.type & R_ANAL_OP_TYPE_MASK;
|
|
bool canHaveChar = opType == R_ANAL_OP_TYPE_MOV;
|
|
if (!canHaveChar) {
|
|
canHaveChar = opType == R_ANAL_OP_TYPE_PUSH;
|
|
}
|
|
|
|
ds->chref = 0;
|
|
if ((char)v > 0 && v >= '!') {
|
|
ds->chref = (char)v;
|
|
if (ds->immstr) {
|
|
char *str = r_str_from_ut64 (r_read_ble64 (&v, be));
|
|
if (str && *str) {
|
|
bool printable = true;
|
|
const char *ptr = str;
|
|
for (; *ptr ; ptr++) {
|
|
if (*ptr < 10) {
|
|
printable = false;
|
|
}
|
|
}
|
|
if (printable && r_flag_get_i (core->flags, v)) {
|
|
printable = false;
|
|
}
|
|
if (canHaveChar && printable) {
|
|
char *s = r_str_escape (str);
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; '%s'", s);
|
|
free (s);
|
|
}
|
|
}
|
|
free (str);
|
|
} else {
|
|
if (canHaveChar && (char)v > 0 && v >= '!' && v <= '~') {
|
|
ds_begin_comment (ds);
|
|
aligned = true;
|
|
ds_comment (ds, true, "; '%c'", (char)v);
|
|
}
|
|
}
|
|
}
|
|
RList *list = NULL;
|
|
RListIter *iter;
|
|
RAnalRef *ref;
|
|
list = r_anal_refs_get (core->anal, ds->at);
|
|
r_list_foreach (list, iter, ref) {
|
|
int rt = R_ANAL_REF_TYPE_MASK (ref->type);
|
|
if (rt == R_ANAL_REF_TYPE_STRING || rt == R_ANAL_REF_TYPE_DATA) {
|
|
if ((f = r_flag_get_i (core->flags, ref->addr))) {
|
|
refaddr = ref->addr;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
r_list_free (list);
|
|
if (ds->analop.type == (R_ANAL_OP_TYPE_MOV | R_ANAL_OP_TYPE_REG)
|
|
&& ds->analop.stackop == R_ANAL_STACK_SET
|
|
&& ds->analop.val != UT64_MAX && ds->analop.val > 10) {
|
|
const char *arch = r_config_get (core->config, "asm.arch");
|
|
if (arch && !strcmp (arch, "x86")) {
|
|
p = refaddr = ds->analop.val;
|
|
refptr = 0;
|
|
}
|
|
}
|
|
bool flag_printed = false;
|
|
bool refaddr_printed = false;
|
|
bool string_printed = false;
|
|
if (refaddr == UT64_MAX) {
|
|
/* do nothing */
|
|
} else if (((st64)p) > 0 || ((st64)refaddr) > 0) {
|
|
const char *kind;
|
|
char *msg = calloc (sizeof (char), len);
|
|
if (((st64)p) > 0) {
|
|
f = r_flag_get_i (core->flags, p);
|
|
if (f) {
|
|
ut64 subrel_addr = core->parser->subrel_addr;
|
|
if (subrel_addr && subrel_addr != p) {
|
|
f2 = r_core_flag_get_by_spaces (core->flags, subrel_addr);
|
|
f2_in_opstr = f2 && ds->opstr && (strstr (ds->opstr, f2->name) || strstr (ds->opstr, f2->realname)) ;
|
|
}
|
|
refaddr = p;
|
|
if (!flag_printed && !is_filtered_flag (ds, f->name)
|
|
&& (!ds->opstr || (!strstr (ds->opstr, f->name) && !strstr (ds->opstr, f->realname)))
|
|
&& !f2_in_opstr) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; %s", f->name);
|
|
ds->printed_flag_addr = p;
|
|
flag_printed = true;
|
|
}
|
|
}
|
|
}
|
|
r_io_read_at (core->io, refaddr, (ut8*)msg, len - 1);
|
|
if (refptr && ds->show_refptr) {
|
|
ut64 num = r_read_ble (msg, be, refptr * 8);
|
|
st64 n = (st64)num;
|
|
st32 n32 = (st32)(n & UT32_MAX);
|
|
if (ds->analop.type == R_ANAL_OP_TYPE_LEA) {
|
|
char str[128] = {0};
|
|
f = r_flag_get_i (core->flags, refaddr);
|
|
if (!f && ds->show_slow) {
|
|
r_io_read_at (ds->core->io, ds->analop.ptr,
|
|
(ut8 *)str, sizeof (str) - 1);
|
|
str[sizeof (str) - 1] = 0;
|
|
if (!string_printed && str[0] && r_str_is_printable_incl_newlines (str)) {
|
|
ds_print_str (ds, str, sizeof (str), ds->analop.ptr);
|
|
string_printed = true;
|
|
}
|
|
}
|
|
} else {
|
|
if (n == UT32_MAX || n == UT64_MAX) {
|
|
ds_begin_nl_comment (ds);
|
|
ds_comment (ds, true, "; [0x%" PFMT64x":%d]=-1",
|
|
refaddr, refptr);
|
|
} else if (n == n32 && (n32 > -512 && n32 < 512)) {
|
|
ds_begin_nl_comment (ds);
|
|
ds_comment (ds, true, "; [0x%" PFMT64x
|
|
":%d]=%"PFMT64d, refaddr, refptr, n);
|
|
} else {
|
|
const char *kind, *flag = "";
|
|
char *msg2 = NULL;
|
|
RFlagItem *f2_ = r_flag_get_i (core->flags, n);
|
|
if (f2_) {
|
|
flag = f2_->name;
|
|
} else {
|
|
msg2 = calloc (sizeof (char), len);
|
|
r_io_read_at (core->io, n, (ut8*)msg2, len - 1);
|
|
msg2[len - 1] = 0;
|
|
kind = r_anal_data_kind (core->anal, refaddr, (const ut8*)msg2, len - 1);
|
|
if (kind && !strcmp (kind, "text")) {
|
|
r_str_filter (msg2, 0);
|
|
if (*msg2) {
|
|
char *lala = r_str_newf ("\"%s\"", msg2);
|
|
free (msg2);
|
|
flag = msg2 = lala;
|
|
}
|
|
}
|
|
}
|
|
//ds_align_comment (ds);
|
|
{
|
|
const char *refptrstr = "";
|
|
if (core->print->flags & R_PRINT_FLAGS_SECSUB) {
|
|
RBinObject *bo = r_bin_cur_object (core->bin);
|
|
RBinSection *s = bo? r_bin_get_section_at (bo, n, core->io->va): NULL;
|
|
if (s) {
|
|
refptrstr = s->name;
|
|
}
|
|
}
|
|
ds_begin_nl_comment (ds);
|
|
ds_comment_start (ds, "; [");
|
|
if (f && f2_in_opstr) {
|
|
ds_comment_middle (ds, "%s", f->name);
|
|
flag_printed = true;
|
|
} else {
|
|
ds_comment_middle (ds, "0x%" PFMT64x, refaddr);
|
|
}
|
|
ds_comment_end (ds, ":%d]=%s%s0x%" PFMT64x "%s%s",
|
|
refptr, refptrstr, *refptrstr ? "." : "",
|
|
n, (flag && *flag) ? " " : "", flag);
|
|
}
|
|
free (msg2);
|
|
}
|
|
refaddr_printed = true;
|
|
}
|
|
}
|
|
if (!strcmp (ds->show_cmtoff, "true")) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; 0x%" PFMT64x, refaddr);
|
|
refaddr_printed = true;
|
|
} else if (!refaddr_printed && strcmp (ds->show_cmtoff, "false")) {
|
|
char addrstr[32] = {0};
|
|
snprintf (addrstr, sizeof (addrstr), "0x%" PFMT64x, refaddr);
|
|
if (!ds->opstr || !strstr (ds->opstr, addrstr)) {
|
|
snprintf (addrstr, sizeof (addrstr), "0x%08" PFMT64x, refaddr);
|
|
if (!ds->opstr || !strstr (ds->opstr, addrstr)) {
|
|
bool print_refaddr = true;
|
|
if (refaddr < 10) {
|
|
snprintf (addrstr, sizeof (addrstr), "%" PFMT64u, refaddr);
|
|
if (ds->opstr && strstr (ds->opstr, addrstr)) {
|
|
print_refaddr = false;
|
|
}
|
|
}
|
|
if (print_refaddr) {
|
|
if (!aligned) {
|
|
ds_begin_nl_comment (ds);
|
|
}
|
|
ds_comment (ds, true, "; 0x%" PFMT64x, refaddr);
|
|
refaddr_printed = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
bool print_msg = true;
|
|
#if 1
|
|
if (ds->strenc == R_STRING_ENC_GUESS
|
|
&& r_utf_bom_encoding ((ut8 *)msg, len) == R_STRING_ENC_GUESS
|
|
&& !(IS_PRINTABLE (*msg) || IS_WHITECHAR (*msg))) {
|
|
print_msg = false;
|
|
} else {
|
|
msg[len - 1] = 0;
|
|
}
|
|
#endif
|
|
f = r_flag_get_i (core->flags, refaddr);
|
|
if (f) {
|
|
if (strlen (msg) != 1) {
|
|
char *msg2 = r_str_new (msg);
|
|
if (msg2) {
|
|
r_str_filter (msg2, 0);
|
|
if (!strncmp (msg2, "UH..", 4)) {
|
|
print_msg = false;
|
|
}
|
|
free (msg2);
|
|
}
|
|
}
|
|
if (print_msg) {
|
|
if (!string_printed) {
|
|
ds_print_str (ds, msg, len, refaddr);
|
|
string_printed = true;
|
|
}
|
|
} else if (!flag_printed && (!ds->opstr ||
|
|
(!strstr (ds->opstr, f->name) && !strstr (ds->opstr, f->realname)))) {
|
|
ds_begin_nl_comment (ds);
|
|
ds_comment (ds, true, "; %s", f->name);
|
|
ds->printed_flag_addr = refaddr;
|
|
flag_printed = true;
|
|
}
|
|
} else {
|
|
if (refaddr == UT64_MAX || refaddr == UT32_MAX) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; -1");
|
|
} else if (((char)refaddr > 0) && refaddr >= '!' && refaddr <= '~') {
|
|
char ch = refaddr;
|
|
if (canHaveChar && ch != ds->chref) {
|
|
ds_begin_comment (ds);
|
|
ds_comment (ds, true, "; '%c'", ch);
|
|
}
|
|
} else if (refaddr > 10) {
|
|
if ((st64)refaddr < 0) {
|
|
// resolve local var if possible
|
|
RAnalFunction *fcn = r_anal_get_function_at (core->anal, ds->at);
|
|
RAnalVar *v = fcn ? r_anal_function_get_var (fcn, 'v', (int)refaddr) : NULL;
|
|
ds_begin_comment (ds);
|
|
if (v) {
|
|
ds_comment (ds, true, "; var %s", v->name);
|
|
} else {
|
|
ds_comment (ds, true, "; var %d", -(int)refaddr);
|
|
}
|
|
} else {
|
|
if (r_core_anal_address (core, refaddr) & R_ANAL_ADDR_TYPE_ASCII) {
|
|
if (!string_printed && print_msg) {
|
|
ds_print_str (ds, msg, len, refaddr);
|
|
string_printed = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
//XXX this should be refactored with along the above
|
|
kind = r_anal_data_kind (core->anal, refaddr, (const ut8*)msg, len - 1);
|
|
if (kind) {
|
|
if (!strcmp (kind, "text")) {
|
|
if (!string_printed && print_msg) {
|
|
ds_print_str (ds, msg, len, refaddr);
|
|
string_printed = true;
|
|
}
|
|
} else if (!strcmp (kind, "invalid")) {
|
|
int *n = (int*)&refaddr;
|
|
ut64 p = ds->analop.val;
|
|
if (p == UT64_MAX || p == UT32_MAX) {
|
|
p = ds->analop.ptr;
|
|
}
|
|
/* avoid double ; -1 */
|
|
if (p != UT64_MAX && p != UT32_MAX) {
|
|
if (*n > -0xfff && *n < 0xfff) {
|
|
if (!aligned) {
|
|
ds_begin_comment (ds);
|
|
}
|
|
ds_comment (ds, true, "; %"PFMT64d, p);
|
|
}
|
|
}
|
|
} else {
|
|
// r_cons_printf (" ; %s", kind);
|
|
}
|
|
// TODO: check for more data kinds
|
|
}
|
|
}
|
|
free (msg);
|
|
} else {
|
|
ds_print_as_string (ds);
|
|
}
|
|
if (!ds->show_comment_right && ds->cmtcount > 0) {
|
|
const char *p = r_cons_get_buffer ();
|
|
if (p) {
|
|
int l = strlen (p);
|
|
if (p[l - 1] != '\n') {
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
}
|
|
#if DEADCODE
|
|
if (aligned && ds->show_color) {
|
|
r_cons_strcat (Color_RESET);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void ds_print_demangled(RDisasmState *ds) {
|
|
if (!ds->show_comments || !ds->asm_demangle) {
|
|
return;
|
|
}
|
|
RCore *core = ds->core;
|
|
RFlagItem *f;
|
|
int optype = ds->analop.type & 0xFFFF;
|
|
switch (optype) {
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
case R_ANAL_OP_TYPE_UJMP:
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
f = r_flag_get_by_spaces (core->flags, ds->analop.jump, R_FLAGS_FS_SYMBOLS, NULL);
|
|
if (f && f->demangled && f->realname && ds->opstr && !strstr (ds->opstr, f->realname)) {
|
|
ds_begin_nl_comment (ds);
|
|
ds_comment (ds, true, "; %s", f->realname);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void ds_print_relocs(RDisasmState *ds) {
|
|
char *demname = NULL;
|
|
if (!ds->showrelocs || !ds->show_slow) {
|
|
return;
|
|
}
|
|
RCore *core = ds->core;
|
|
const char *lang = r_config_get (core->config, "bin.lang");
|
|
bool demangle = r_config_get_i (core->config, "asm.demangle");
|
|
bool keep_lib = r_config_get_i (core->config, "bin.demangle.libs");
|
|
RBinReloc *rel = r_core_getreloc (core, ds->at, ds->analop.size);
|
|
if (rel) {
|
|
int cstrlen = 0;
|
|
char *ll = r_cons_lastline (&cstrlen);
|
|
if (!ll) {
|
|
return;
|
|
}
|
|
int ansilen = r_str_ansi_len (ll);
|
|
int utf8len = r_utf8_strlen ((const ut8*)ll);
|
|
int cells = utf8len - (cstrlen - ansilen);
|
|
int len = ds->cmtcol - cells;
|
|
r_cons_memset (' ', len);
|
|
if (rel->import) {
|
|
if (demangle) {
|
|
demname = r_bin_demangle (core->bin->cur, lang, rel->import->name, rel->vaddr, keep_lib);
|
|
}
|
|
r_cons_printf ("; RELOC %d %s", rel->type, demname ? demname : rel->import->name);
|
|
} else if (rel->symbol) {
|
|
if (demangle) {
|
|
demname = r_bin_demangle (core->bin->cur, lang, rel->symbol->name, rel->symbol->vaddr, keep_lib);
|
|
}
|
|
r_cons_printf ("; RELOC %d %s @ 0x%08" PFMT64x,
|
|
rel->type, demname ? demname : rel->symbol->name,
|
|
rel->symbol->vaddr);
|
|
if (rel->addend) {
|
|
if (rel->addend > 0) {
|
|
r_cons_printf (" + 0x%" PFMT64x, rel->addend);
|
|
} else {
|
|
r_cons_printf (" - 0x%" PFMT64x, -rel->addend);
|
|
}
|
|
}
|
|
} else {
|
|
r_cons_printf ("; RELOC %d ", rel->type);
|
|
}
|
|
free (demname);
|
|
}
|
|
}
|
|
|
|
static bool mymemwrite0(RAnalEsil *esil, ut64 addr, const ut8 *buf, int len) {
|
|
return false;
|
|
}
|
|
|
|
static bool mymemwrite1(RAnalEsil *esil, ut64 addr, const ut8 *buf, int len) {
|
|
return true;
|
|
}
|
|
|
|
static bool mymemwrite2(RAnalEsil *esil, ut64 addr, const ut8 *buf, int len) {
|
|
return (addr >= emustack_min && addr < emustack_max);
|
|
}
|
|
|
|
static char *ssa_get(RAnalEsil *esil, const char *reg) {
|
|
RDisasmState *ds = esil->user;
|
|
if (isdigit ((unsigned char)*reg)) {
|
|
return strdup (reg);
|
|
}
|
|
if (!ds->ssa) {
|
|
ds->ssa = sdb_new0 ();
|
|
}
|
|
int n = sdb_num_get (ds->ssa, reg, NULL);
|
|
return r_str_newf ("%s_%d", reg, n);
|
|
}
|
|
|
|
static void ssa_set(RAnalEsil *esil, const char *reg) {
|
|
RDisasmState *ds = esil->user;
|
|
(void)sdb_num_inc (ds->ssa, reg, 1, 0);
|
|
}
|
|
|
|
#define R_DISASM_MAX_STR 512
|
|
static bool myregread(RAnalEsil *esil, const char *name, ut64 *res, int *size) {
|
|
RDisasmState *ds = esil->user;
|
|
if (ds && ds->show_emu_ssa) {
|
|
if (!isdigit ((unsigned char)*name)) {
|
|
char *r = ssa_get (esil, name);
|
|
ds_comment_esil (ds, true, false, "<%s", r);
|
|
free (r);
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static bool myregwrite(RAnalEsil *esil, const char *name, ut64 *val) {
|
|
char str[64], *msg = NULL;
|
|
ut32 *n32 = (ut32*)str;
|
|
RDisasmState *ds = esil->user;
|
|
if (!ds) {
|
|
return false;
|
|
}
|
|
if (!ds->show_emu_strlea && ds->analop.type == R_ANAL_OP_TYPE_LEA) {
|
|
// useful for ARM64
|
|
// reduce false positives in emu.str=true when loading strings via adrp+add
|
|
return false;
|
|
}
|
|
ds->esil_likely = true;
|
|
if (ds->show_emu_ssa) {
|
|
ssa_set (esil, name);
|
|
char *r = ssa_get (esil, name);
|
|
ds_comment_esil (ds, true, false, ">%s", r);
|
|
free (r);
|
|
return false;
|
|
}
|
|
if (!ds->show_slow) {
|
|
return false;
|
|
}
|
|
memset (str, 0, sizeof (str));
|
|
if (*val) {
|
|
bool emu_str_printed = false;
|
|
char *type = NULL;
|
|
(void)r_io_read_at (esil->anal->iob.io, *val, (ut8*)str, sizeof (str)-1);
|
|
str[sizeof (str) - 1] = 0;
|
|
ds->emuptr = *val;
|
|
// support cstring here
|
|
{
|
|
ut64 *cstr = (ut64*) str;
|
|
ut64 addr = cstr[0];
|
|
if (!(*val >> 32)) {
|
|
addr = addr & UT32_MAX;
|
|
}
|
|
if (cstr[0] == 0 && cstr[1] < 0x1000) {
|
|
ut64 addr = cstr[2];
|
|
if (!(*val >> 32)) {
|
|
addr = addr & UT32_MAX;
|
|
}
|
|
(void)r_io_read_at (esil->anal->iob.io, addr,
|
|
(ut8*)str, sizeof (str)-1);
|
|
// eprintf ("IS CSTRING 0x%llx %s\n", addr, str);
|
|
type = r_str_newf ("(cstr 0x%08"PFMT64x") ", addr);
|
|
ds->printed_str_addr = cstr[2];
|
|
} else if (r_io_is_valid_offset (esil->anal->iob.io, addr, 0)) {
|
|
ds->printed_str_addr = cstr[0];
|
|
type = r_str_newf ("(pstr 0x%08"PFMT64x") ", addr);
|
|
(void)r_io_read_at (esil->anal->iob.io, addr,
|
|
(ut8*)str, sizeof (str) - 1);
|
|
// eprintf ("IS PSTRING 0x%llx %s\n", addr, str);
|
|
}
|
|
}
|
|
|
|
if (*str && !r_bin_strpurge (ds->core->bin, str, *val) && r_str_is_printable_incl_newlines (str)
|
|
&& (ds->printed_str_addr == UT64_MAX || *val != ds->printed_str_addr)) {
|
|
bool jump_op = false;
|
|
bool ignored = false;
|
|
switch (ds->analop.type) {
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
case R_ANAL_OP_TYPE_UJMP:
|
|
case R_ANAL_OP_TYPE_RJMP:
|
|
case R_ANAL_OP_TYPE_IJMP:
|
|
case R_ANAL_OP_TYPE_IRJMP:
|
|
case R_ANAL_OP_TYPE_CJMP:
|
|
case R_ANAL_OP_TYPE_MJMP:
|
|
case R_ANAL_OP_TYPE_UCJMP:
|
|
jump_op = true;
|
|
break;
|
|
case R_ANAL_OP_TYPE_TRAP:
|
|
case R_ANAL_OP_TYPE_RET:
|
|
ignored = true;
|
|
break;
|
|
case R_ANAL_OP_TYPE_LEA:
|
|
if (ds->core->rasm->config->bits == 64 && r_str_startswith (r_config_get (ds->core->config, "asm.arch"), "arm")) {
|
|
ignored = true;
|
|
}
|
|
break;
|
|
}
|
|
if (!jump_op && !ignored) {
|
|
const char *prefix;
|
|
ut32 len = sizeof (str) -1;
|
|
#if 0
|
|
RCore *core = ds->core;
|
|
ut32 len = core->blocksize + 256;
|
|
if (len < core->blocksize || len > R_DISASM_MAX_STR) {
|
|
len = R_DISASM_MAX_STR;
|
|
}
|
|
#endif
|
|
ds->emuptr = *val;
|
|
char *escstr = ds_esc_str (ds, str, (int)len, &prefix, false);
|
|
if (escstr) {
|
|
char *m;
|
|
if (ds->show_color) {
|
|
bool inv = ds->show_emu_strinv;
|
|
m = r_str_newf ("%s%s%s\"%s\"%s",
|
|
prefix, r_str_get (type), inv? Color_INVERT: "",
|
|
escstr, inv? Color_INVERT_RESET: "");
|
|
} else {
|
|
m = r_str_newf ("%s%s\"%s\"", prefix, r_str_get (type), escstr);
|
|
}
|
|
msg = r_str_append_owned (msg, m);
|
|
emu_str_printed = true;
|
|
free (escstr);
|
|
}
|
|
}
|
|
} else {
|
|
if (!*n32) {
|
|
// msg = strdup ("NULL");
|
|
} else if (*n32 == UT32_MAX) {
|
|
/* nothing */
|
|
} else {
|
|
if (!ds->show_emu_str) {
|
|
msg = r_str_appendf (msg, "-> 0x%x", *n32);
|
|
}
|
|
}
|
|
}
|
|
R_FREE (type);
|
|
if ((ds->printed_flag_addr == UT64_MAX || *val != ds->printed_flag_addr)
|
|
&& (ds->show_emu_strflag || !emu_str_printed)) {
|
|
RFlagItem *fi = r_flag_get_i (esil->anal->flb.f, *val);
|
|
if (fi && (!ds->opstr || !strstr (ds->opstr, fi->name))) {
|
|
msg = r_str_appendf (msg, "%s%s", msg && *msg ? " " : "", fi->name);
|
|
}
|
|
}
|
|
}
|
|
if (ds->show_emu_str) {
|
|
if (msg && *msg) {
|
|
ds->emuptr = *val;
|
|
if (ds->show_emu_stroff && *msg == '"') {
|
|
ds_comment_esil (ds, true, false, "; 0x%"PFMT64x" %s", *val, msg);
|
|
} else {
|
|
ds_comment_esil (ds, true, false, "; %s", msg);
|
|
}
|
|
if (ds->show_comments && !ds->show_comment_right) {
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
} else {
|
|
if (msg && *msg) {
|
|
ds_comment_esil (ds, true, false, "; %s=0x%"PFMT64x" %s", name, *val, msg);
|
|
} else {
|
|
ds_comment_esil (ds, true, false, "; %s=0x%"PFMT64x, name, *val);
|
|
}
|
|
if (ds->show_comments && !ds->show_comment_right) {
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
free (msg);
|
|
return false;
|
|
}
|
|
|
|
static void ds_pre_emulation(RDisasmState *ds) {
|
|
bool do_esil = ds->show_emu;
|
|
if (!ds->pre_emu) {
|
|
return;
|
|
}
|
|
RFlagItem *f = r_flag_get_at (ds->core->flags, ds->core->offset, true);
|
|
if (!f) {
|
|
return;
|
|
}
|
|
ut64 base = f->offset;
|
|
RAnalEsil *esil = ds->core->anal->esil;
|
|
int i, end = ds->core->offset - base;
|
|
int maxemu = 1024 * 1024;
|
|
RAnalEsilHookRegWriteCB orig_cb = esil->cb.hook_reg_write;
|
|
if (end < 0 || end > maxemu) {
|
|
return;
|
|
}
|
|
ds->stackptr = ds->core->anal->stackptr;
|
|
esil->cb.hook_reg_write = NULL;
|
|
const ut64 pc = r_reg_getv (ds->core->anal->reg, r_reg_get_name (ds->core->anal->reg, R_REG_NAME_PC));
|
|
for (i = 0; i < end; i++) {
|
|
ut64 addr = base + i;
|
|
RAnalOp* op = r_core_anal_op (ds->core, addr, R_ANAL_OP_MASK_ESIL | R_ANAL_OP_MASK_HINT);
|
|
if (op) {
|
|
if (do_esil) {
|
|
// underlying assumption of esil expressions is pc register is set prior to emulation
|
|
r_reg_setv (ds->core->anal->reg, r_reg_get_name (ds->core->anal->reg, R_REG_NAME_PC),
|
|
addr + op->size);
|
|
r_anal_esil_set_pc (esil, addr);
|
|
r_anal_esil_parse (esil, R_STRBUF_SAFEGET (&op->esil));
|
|
if (op->size > 0) {
|
|
i += op->size - 1;
|
|
}
|
|
}
|
|
ds_update_stackptr (ds, op);
|
|
r_anal_op_free (op);
|
|
}
|
|
}
|
|
r_reg_setv (ds->core->anal->reg, r_reg_get_name (ds->core->anal->reg, R_REG_NAME_PC), pc);
|
|
esil->cb.hook_reg_write = orig_cb;
|
|
}
|
|
|
|
static void ds_print_esil_anal_init(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
const char *pc = r_reg_get_name (core->anal->reg, R_REG_NAME_PC);
|
|
if (!pc) {
|
|
return;
|
|
}
|
|
ds->esil_old_pc = r_reg_getv (core->anal->reg, pc);
|
|
if (!ds->esil_old_pc || ds->esil_old_pc == UT64_MAX) {
|
|
ds->esil_old_pc = core->offset;
|
|
}
|
|
if (!ds->show_emu) {
|
|
// XXX. stackptr not computed without asm.emu, when its not required
|
|
return;
|
|
}
|
|
if (!core->anal->esil) {
|
|
int iotrap = r_config_get_i (core->config, "esil.iotrap");
|
|
int esd = r_config_get_i (core->config, "esil.stack.depth");
|
|
unsigned int addrsize = r_config_get_i (core->config, "esil.addr.size");
|
|
|
|
if (!(core->anal->esil = r_anal_esil_new (esd, iotrap, addrsize))) {
|
|
R_FREE (ds->esil_regstate);
|
|
return;
|
|
}
|
|
r_anal_esil_setup (core->anal->esil, core->anal, 0, 0, 1);
|
|
}
|
|
core->anal->esil->user = ds;
|
|
free (ds->esil_regstate);
|
|
R_FREE (core->anal->last_disasm_reg);
|
|
if (core->anal->gp) {
|
|
r_reg_setv (core->anal->reg, "gp", core->anal->gp);
|
|
}
|
|
ds->esil_regstate = r_reg_arena_peek (core->anal->reg, &ds->esil_regstate_size);
|
|
RRegSet *regset = r_reg_regset_get (core->anal->reg, R_REG_TYPE_GPR);
|
|
if (ds->esil_regstate && regset) {
|
|
ds->esil_regstate_size = regset->arena->size;
|
|
}
|
|
|
|
// TODO: emulate N instructions BEFORE the current offset to get proper full function emulation
|
|
ds_pre_emulation (ds);
|
|
}
|
|
|
|
static void ds_print_bbline(RDisasmState *ds) {
|
|
if (!ds->show_bbline || !ds->at) {
|
|
return;
|
|
}
|
|
RAnalBlock *bb = NULL;
|
|
RAnalFunction *f_before = NULL;
|
|
if (ds->fcn) {
|
|
bb = r_anal_function_bbget_at (ds->core->anal, ds->fcn, ds->at);
|
|
} else {
|
|
f_before = fcnIn (ds, ds->at - 1, R_ANAL_FCN_TYPE_NULL);
|
|
}
|
|
if ((ds->fcn && bb && ds->fcn->addr != ds->at) || (!ds->fcn && f_before)) {
|
|
ds_begin_line (ds);
|
|
// adapted from ds_setup_pre ()
|
|
ds->cmtcount = 0;
|
|
if (!ds->show_functions || !ds->show_lines_fcn) {
|
|
ds->pre = DS_PRE_NONE;
|
|
} else {
|
|
ds->pre = DS_PRE_EMPTY;
|
|
if (!f_before) {
|
|
f_before = fcnIn (ds, ds->at - 1, R_ANAL_FCN_TYPE_NULL);
|
|
}
|
|
if (f_before == ds->fcn) {
|
|
ds->pre = DS_PRE_FCN_MIDDLE;
|
|
}
|
|
}
|
|
ds_print_pre (ds, true);
|
|
if (ds->show_section && ds->line_col) {
|
|
const char *sn = r_core_get_section_name (ds->core, ds->at);
|
|
size_t snl = strlen (sn) + 4;
|
|
r_cons_printf ("%s", r_str_pad (' ', R_MAX (10, snl - 1)));
|
|
}
|
|
if (!ds->linesright && ds->show_lines_bb && ds->line) {
|
|
char *refline, *reflinecol = NULL;
|
|
ds_update_ref_lines (ds);
|
|
refline = ds->refline2;
|
|
reflinecol = ds->prev_line_col;
|
|
ds_print_ref_lines (refline, reflinecol, ds);
|
|
}
|
|
r_cons_printf ("|");
|
|
ds_newline (ds);
|
|
}
|
|
}
|
|
|
|
static void print_fcn_arg(RCore *core, const char *type, const char *name,
|
|
const char *fmt, const ut64 addr,
|
|
const int on_stack, int asm_types) {
|
|
if (on_stack == 1 && asm_types > 1) {
|
|
r_cons_printf ("%s", type);
|
|
}
|
|
if (addr != UT32_MAX && addr != UT64_MAX && addr != 0) {
|
|
char *res = r_core_cmd_strf (core, "pf%s %s%s %s @ 0x%08" PFMT64x,
|
|
(asm_types==2)? "": "q", (on_stack == 1) ? "*" : "", fmt, name, addr);
|
|
r_str_trim (res);
|
|
if (r_str_startswith (res, "\"\\xff\\xff")) {
|
|
// r_cons_printf ("0x%08"PFMT64x, addr);
|
|
r_cons_printf ("\"\"");
|
|
} else {
|
|
r_cons_printf ("%s", res);
|
|
}
|
|
free (res);
|
|
} else {
|
|
r_cons_printf ("-1");
|
|
}
|
|
r_cons_chop ();
|
|
}
|
|
|
|
static void delete_last_comment(RDisasmState *ds) {
|
|
if (!ds->show_comment_right_default) {
|
|
return;
|
|
}
|
|
const char *ll = r_cons_get_buffer ();
|
|
if (!ll) {
|
|
return;
|
|
}
|
|
ll += ds->buf_line_begin;
|
|
const char *begin = ll;
|
|
if (begin) {
|
|
ds_newline (ds);
|
|
ds_begin_cont (ds);
|
|
}
|
|
}
|
|
|
|
static bool can_emulate_metadata(RCore *core, ut64 at) {
|
|
// check if there is a meta at the addr that is unemulateable
|
|
const char *emuskipmeta = r_config_get (core->config, "emu.skip");
|
|
bool ret = true;
|
|
RPVector *metas = r_meta_get_all_at (core->anal, at);
|
|
void **it;
|
|
r_pvector_foreach (metas, it) {
|
|
RAnalMetaItem *item = ((RIntervalNode *)*it)->data;
|
|
if (strchr (emuskipmeta, (char)item->type)) {
|
|
ret = false;
|
|
break;
|
|
}
|
|
}
|
|
r_pvector_free (metas);
|
|
return ret;
|
|
}
|
|
|
|
static void mipsTweak(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
const char *asm_arch = r_config_get (core->config, "asm.arch");
|
|
if (asm_arch && *asm_arch && strstr (asm_arch, "mips")) {
|
|
if (r_config_get_i (core->config, "anal.gpfixed")) {
|
|
ut64 gp = r_config_get_i (core->config, "anal.gp");
|
|
r_reg_setv (core->anal->reg, "gp", gp);
|
|
}
|
|
}
|
|
}
|
|
|
|
// modifies anal register state
|
|
static void ds_print_esil_anal(RDisasmState *ds) {
|
|
RCore *core = ds->core;
|
|
RAnalEsil *esil = core->anal->esil;
|
|
const char *pc;
|
|
bool (*hook_mem_write)(RAnalEsil *esil, ut64 addr, const ut8 *buf, int len) = NULL;
|
|
int i, nargs;
|
|
ut64 at = r_core_pava (core, ds->at);
|
|
RConfigHold *hc = r_config_hold_new (core->config);
|
|
if (!hc) {
|
|
return;
|
|
}
|
|
if (!esil) {
|
|
ds_print_esil_anal_init (ds);
|
|
esil = core->anal->esil;
|
|
}
|
|
if (!ds->show_emu) {
|
|
goto beach;
|
|
}
|
|
if (!can_emulate_metadata (core, at)) {
|
|
goto beach;
|
|
}
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->pal_comment);
|
|
}
|
|
esil = core->anal->esil;
|
|
pc = r_reg_get_name (core->anal->reg, R_REG_NAME_PC);
|
|
if (pc) {
|
|
r_reg_setv (core->anal->reg, pc, at + ds->analop.size);
|
|
esil->cb.user = ds;
|
|
esil->cb.hook_reg_write = myregwrite;
|
|
esil->cb.hook_reg_read = myregread;
|
|
hook_mem_write = esil->cb.hook_mem_write;
|
|
}
|
|
if (ds->show_emu_stack) {
|
|
esil->cb.hook_mem_write = mymemwrite2;
|
|
} else {
|
|
if (ds->show_emu_write) {
|
|
esil->cb.hook_mem_write = mymemwrite0;
|
|
} else {
|
|
esil->cb.hook_mem_write = mymemwrite1;
|
|
}
|
|
}
|
|
ds->esil_likely = 0;
|
|
const char *esilstr = R_STRBUF_SAFEGET (&ds->analop.esil);
|
|
if (R_STR_ISNOTEMPTY (esilstr)) {
|
|
mipsTweak (ds);
|
|
r_anal_esil_set_pc (esil, at);
|
|
r_anal_esil_parse (esil, esilstr);
|
|
}
|
|
r_anal_esil_stack_free (esil);
|
|
r_config_hold (hc, "io.cache", NULL);
|
|
r_config_set_b (core->config, "io.cache", true);
|
|
if (!ds->show_comments) {
|
|
goto beach;
|
|
}
|
|
switch (ds->analop.type) {
|
|
case R_ANAL_OP_TYPE_SWI: {
|
|
char *s = cmd_syscall_dostr (core, ds->analop.val, at);
|
|
if (s) {
|
|
ds_comment_esil (ds, true, true, "; %s", s);
|
|
free (s);
|
|
}
|
|
} break;
|
|
case R_ANAL_OP_TYPE_CJMP:
|
|
ds_comment_esil (ds, true, true, ds->esil_likely? "; likely" : "; unlikely");
|
|
break;
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
{
|
|
ut64 addr = ds->analop.jump;
|
|
if (!r_anal_get_function_at (ds->core->anal, addr)
|
|
&& !r_flag_get_at (core->flags, addr, false)) {
|
|
break;
|
|
}
|
|
}
|
|
case R_ANAL_OP_TYPE_UCALL:
|
|
case R_ANAL_OP_TYPE_ICALL:
|
|
case R_ANAL_OP_TYPE_RCALL:
|
|
case R_ANAL_OP_TYPE_IRCALL:
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
{
|
|
RAnalFunction *fcn;
|
|
RAnalFuncArg *arg;
|
|
RListIter *iter;
|
|
RListIter *nextele;
|
|
const char *fcn_name = NULL;
|
|
char *key = NULL;
|
|
ut64 pcv = ds->analop.jump;
|
|
if (ds->analop.type == R_ANAL_OP_TYPE_RCALL) {
|
|
pcv = UT64_MAX;
|
|
}
|
|
if (pcv == UT64_MAX) {
|
|
pcv = ds->analop.ptr; // call [reloc-addr] // windows style
|
|
if (pcv == UT64_MAX || !pcv) {
|
|
r_anal_esil_reg_read (esil, "$jt", &pcv, NULL);
|
|
if (pcv == UT64_MAX || !pcv) {
|
|
pcv = r_reg_getv (core->anal->reg, pc);
|
|
}
|
|
}
|
|
}
|
|
fcn = r_anal_get_function_at (core->anal, pcv);
|
|
if (fcn) {
|
|
fcn_name = fcn->name;
|
|
} else {
|
|
RFlagItem *item = r_flag_get_i (core->flags, pcv);
|
|
if (item) {
|
|
fcn_name = item->name;
|
|
}
|
|
}
|
|
if (fcn_name) {
|
|
key = resolve_fcn_name (core->anal, fcn_name);
|
|
}
|
|
if (key) {
|
|
if (ds->asm_types < 1) {
|
|
free (key);
|
|
break;
|
|
}
|
|
const char *fcn_type = r_type_func_ret (core->anal->sdb_types, key);
|
|
int nargs = r_type_func_args_count (core->anal->sdb_types, key);
|
|
// remove other comments
|
|
delete_last_comment (ds);
|
|
// ds_comment_start (ds, "");
|
|
ds_comment_esil (ds, true, false, "%s", ds->show_color ? ds->pal_comment : "");
|
|
if (fcn_type) {
|
|
ds_comment_middle (ds, "; %s%s%s(", r_str_getf (fcn_type),
|
|
(*fcn_type && fcn_type[strlen (fcn_type) - 1] == '*') ? "" : " ",
|
|
r_str_getf (key));
|
|
if (!nargs) {
|
|
ds_comment_end (ds, "void)");
|
|
free (key);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
ut64 s_width = (core->anal->config->bits == 64)? 8: 4;
|
|
const char *sp = r_reg_get_name (core->anal->reg, R_REG_NAME_SP);
|
|
ut64 spv = r_reg_getv (core->anal->reg, sp);
|
|
r_reg_setv (core->anal->reg, sp, spv + s_width); // temporarily set stack ptr to sync with carg.c
|
|
RList *list = r_core_get_func_args (core, fcn_name);
|
|
if (!r_list_empty (list)) {
|
|
bool warning = false;
|
|
bool on_stack = false;
|
|
r_list_foreach (list, iter, arg) {
|
|
if (arg->cc_source && r_str_startswith (arg->cc_source, "stack")) {
|
|
on_stack = true;
|
|
}
|
|
if (!arg->size) {
|
|
if (ds->asm_types == 2) {
|
|
ds_comment_middle (ds, "%s: unk_size", arg->c_type);
|
|
}
|
|
warning = true;
|
|
}
|
|
nextele = r_list_iter_get_next (iter);
|
|
if (!arg->fmt) {
|
|
if (ds->asm_types > 1) {
|
|
if (warning) {
|
|
ds_comment_middle (ds, "_format");
|
|
} else {
|
|
ds_comment_middle (ds, "%s : unk_format", arg->c_type);
|
|
}
|
|
} else {
|
|
ds_comment_middle (ds, "?");
|
|
}
|
|
ds_comment_middle (ds, nextele?", ":")");
|
|
} else {
|
|
// TODO: may need ds_comment_esil
|
|
print_fcn_arg (core, arg->orig_c_type, arg->name, arg->fmt, arg->src, on_stack, ds->asm_types);
|
|
ds_comment_middle (ds, nextele?", ":")");
|
|
}
|
|
}
|
|
ds_comment_end (ds, "");
|
|
r_list_free (list);
|
|
free (key);
|
|
break;
|
|
} else {
|
|
r_list_free (list);
|
|
// function name not resolved
|
|
r_warn_if_fail (!key);
|
|
free (key);
|
|
nargs = DEFAULT_NARGS;
|
|
if (fcn) {
|
|
// @TODO: fcn->nargs should be updated somewhere and used here instead
|
|
nargs = r_anal_var_count_args (fcn);
|
|
}
|
|
if (nargs > 0) {
|
|
ds_comment_esil (ds, true, false, "%s", ds->show_color? ds->pal_comment : "");
|
|
if (fcn_name) {
|
|
ds_comment_middle (ds, "; %s(", fcn_name);
|
|
} else {
|
|
ds_comment_middle (ds, "; 0x%"PFMT64x"(", pcv);
|
|
}
|
|
const char *cc = r_anal_syscc_default (core->anal);
|
|
for (i = 0; i < nargs; i++) {
|
|
ut64 v = r_debug_arg_get (core->dbg, cc, i);
|
|
if (v == UT64_MAX || v == UT32_MAX) {
|
|
ds_comment_middle (ds, "%s-1", i?", ":"");
|
|
} else {
|
|
ds_comment_middle (ds, "%s0x%"PFMT64x, i?", ":"", v);
|
|
}
|
|
}
|
|
ds_comment_end (ds, ")");
|
|
}
|
|
}
|
|
r_reg_setv (core->anal->reg, sp, spv); // reset stack ptr
|
|
}
|
|
break;
|
|
}
|
|
ds_print_color_reset (ds);
|
|
beach:
|
|
if (esil) {
|
|
esil->cb.hook_mem_write = hook_mem_write;
|
|
}
|
|
r_config_hold_restore (hc);
|
|
r_config_hold_free (hc);
|
|
}
|
|
|
|
static void ds_print_calls_hints(RDisasmState *ds) {
|
|
bool emu = r_config_get_b (ds->core->config, "asm.emu");
|
|
bool emuwrite = r_config_get_b (ds->core->config, "emu.write");
|
|
if (emu && emuwrite) {
|
|
// this is done by ESIL
|
|
return;
|
|
}
|
|
RAnal *anal = ds->core->anal;
|
|
Sdb *TDB = anal->sdb_types;
|
|
char *name;
|
|
char *full_name = NULL;
|
|
if (ds->analop.type == R_ANAL_OP_TYPE_CALL) {
|
|
// RAnalFunction *fcn = r_anal_get_fcn_in (anal, ds->analop.jump, -1);
|
|
RAnalFunction *fcn = fcnIn (ds, ds->analop.jump, -1);
|
|
if (fcn) {
|
|
full_name = fcn->name;
|
|
}
|
|
} else if (ds->analop.ptr != UT64_MAX) {
|
|
RFlagItem *flag = r_flag_get_i (ds->core->flags, ds->analop.ptr);
|
|
if (flag && flag->space && !strcmp (flag->space->name, R_FLAGS_FS_IMPORTS)) {
|
|
full_name = flag->realname;
|
|
}
|
|
}
|
|
if (!full_name) {
|
|
return;
|
|
}
|
|
if (r_type_func_exist (TDB, full_name)) {
|
|
name = strdup (full_name);
|
|
} else if (!(name = r_type_func_guess (TDB, full_name))) {
|
|
return;
|
|
}
|
|
ds_begin_comment (ds);
|
|
const char *fcn_type = r_type_func_ret (TDB, name);
|
|
if (!fcn_type || !*fcn_type) {
|
|
free (name);
|
|
return;
|
|
}
|
|
char *cmt = r_str_newf ("; %s%s%s(", fcn_type,
|
|
fcn_type[strlen (fcn_type) - 1] == '*' ? "" : " ",
|
|
name);
|
|
int i, arg_max = r_type_func_args_count (TDB, name);
|
|
if (!arg_max) {
|
|
cmt = r_str_append (cmt, "void)");
|
|
} else {
|
|
for (i = 0; i < arg_max; i++) {
|
|
char *type = r_type_func_args_type (TDB, name, i);
|
|
const char *tname = r_type_func_args_name (TDB, name, i);
|
|
if (type && *type) {
|
|
cmt = r_str_appendf (cmt, "%s%s%s%s%s", i == 0 ? "": " ", type,
|
|
type[strlen (type) - 1] == '*' ? "": " ",
|
|
tname, i == arg_max - 1 ? ")": ",");
|
|
} else if (tname && !strcmp (tname, "...")) {
|
|
cmt = r_str_appendf (cmt, "%s%s%s", i == 0 ? "": " ",
|
|
tname, i == arg_max - 1 ? ")": ",");
|
|
}
|
|
free (type);
|
|
}
|
|
}
|
|
ds_comment (ds, true, "%s", cmt);
|
|
ds_print_color_reset (ds);
|
|
free (cmt);
|
|
free (name);
|
|
}
|
|
|
|
static void ds_print_comments_right(RDisasmState *ds) {
|
|
char *desc = NULL;
|
|
RCore *core = ds->core;
|
|
ds_print_relocs (ds);
|
|
ds_print_pins (ds);
|
|
bool is_code = (!ds->hint) || (ds->hint && ds->hint->type != 'd');
|
|
RAnalMetaItem *mi = r_meta_get_at (ds->core->anal, ds->at, R_META_TYPE_ANY, NULL);
|
|
if (mi) {
|
|
switch (mi->type) {
|
|
case 'd':
|
|
case 'h':
|
|
case 'm':
|
|
case 's':
|
|
case 'f':
|
|
is_code = false;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
mi = NULL;
|
|
}
|
|
if (is_code && ds->asm_describe && !ds->has_description) {
|
|
char *op, *locase = strdup (r_asm_op_get_asm (&ds->asmop));
|
|
if (!locase) {
|
|
return;
|
|
}
|
|
op = strchr (locase, ' ');
|
|
if (op) {
|
|
*op = 0;
|
|
}
|
|
r_str_case (locase, 0);
|
|
desc = r_asm_describe (core->rasm, locase);
|
|
free (locase);
|
|
}
|
|
if (ds->show_usercomments || ds->show_comments) {
|
|
if (desc && *desc) {
|
|
ds_align_comment (ds);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->color_comment);
|
|
}
|
|
r_cons_strcat ("; ");
|
|
r_cons_strcat (desc);
|
|
ds_print_color_reset (ds);
|
|
}
|
|
if (ds->show_comment_right && ds->comment) {
|
|
char *comment = ds->comment;
|
|
r_str_trim (comment);
|
|
if (*comment) {
|
|
if (!desc) {
|
|
ds_align_comment (ds);
|
|
}
|
|
if (strchr (comment, '\n')) {
|
|
comment = strdup (comment);
|
|
if (comment) {
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
size_t lines_count;
|
|
size_t *line_indexes = r_str_split_lines (comment, &lines_count);
|
|
if (line_indexes) {
|
|
int i;
|
|
for (i = 0; i < lines_count; i++) {
|
|
char *c = comment + line_indexes[i];
|
|
ds_print_pre (ds, true);
|
|
ds_align_comment (ds);
|
|
if (ds->show_color) {
|
|
r_cons_strcat (ds->color_usrcmt);
|
|
}
|
|
r_cons_printf (i == 0 ? "%s" : "; %s", c);
|
|
if (i < lines_count - 1) {
|
|
ds_newline (ds);
|
|
ds_begin_line (ds);
|
|
}
|
|
}
|
|
}
|
|
free (line_indexes);
|
|
}
|
|
free (comment);
|
|
} else {
|
|
if (comment) {
|
|
r_cons_strcat (comment);
|
|
}
|
|
}
|
|
}
|
|
//r_cons_strcat_justify (comment, strlen (ds->refline) + 5, ';');
|
|
ds_print_color_reset (ds);
|
|
R_FREE (ds->comment);
|
|
}
|
|
}
|
|
free (desc);
|
|
#if 1
|
|
if ((ds->analop.type == R_ANAL_OP_TYPE_CALL || ds->analop.type & R_ANAL_OP_TYPE_UCALL) && ds->show_calls) {
|
|
ds_print_calls_hints (ds);
|
|
}
|
|
#else
|
|
if (ds->show_calls) {
|
|
switch (ds->analop.type) {
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
case R_ANAL_OP_TYPE_ICALL:
|
|
case R_ANAL_OP_TYPE_CCALL:
|
|
case R_ANAL_OP_TYPE_UCCALL:
|
|
case R_ANAL_OP_TYPE_UCALL:
|
|
case R_ANAL_OP_TYPE_RCALL:
|
|
ds_print_calls_hints (ds);
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void ds_print_as_string(RDisasmState *ds) {
|
|
char *str = r_num_as_string (NULL, ds->analop.ptr, true);
|
|
if (str) {
|
|
ds_comment (ds, false, "%s; \"%s\"%s", COLOR (ds, pal_comment),
|
|
str, COLOR_RESET (ds));
|
|
}
|
|
free (str);
|
|
}
|
|
|
|
static char *_find_next_number(char *op) {
|
|
char *p = op;
|
|
if (p) {
|
|
while (*p) {
|
|
// look for start of next separator or ANSI sequence
|
|
while (*p && !IS_SEPARATOR (*p) && *p != 0x1b) {
|
|
p++;
|
|
}
|
|
if (*p == 0x1b) {
|
|
// skip to end of ANSI sequence (lower or uppercase char)
|
|
while (*p && !(*p >= 'A' && *p <= 'Z') && !(*p >= 'a' && *p <= 'z')) {
|
|
p++;
|
|
}
|
|
if (*p) {
|
|
p++;
|
|
}
|
|
}
|
|
if (IS_SEPARATOR (*p)) {
|
|
// skip to end of separator
|
|
while (*p && IS_SEPARATOR (*p)) {
|
|
p++;
|
|
}
|
|
}
|
|
if (IS_DIGIT (*p)) {
|
|
// we found the start of the next number
|
|
return p;
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static bool set_jump_realname(RDisasmState *ds, ut64 addr, const char **kw, const char **name) {
|
|
RFlag *f = ds->core->flags;
|
|
if (!f) {
|
|
return false;
|
|
}
|
|
if (!ds->asm_demangle && !f->realnames) {
|
|
// nothing to do, neither demangled nor regular realnames should be shown
|
|
return false;
|
|
}
|
|
RFlagItem *flag_sym = r_flag_get_by_spaces (f, addr, R_FLAGS_FS_SYMBOLS, NULL);
|
|
if (!flag_sym || !flag_sym->realname) {
|
|
// nothing to replace
|
|
return false;
|
|
}
|
|
if (!flag_sym->demangled && !f->realnames) {
|
|
// realname is not demangled and we don't want to show non-demangled realnames
|
|
return false;
|
|
}
|
|
*name = flag_sym->realname;
|
|
RFlagItem *flag_mthd = r_flag_get_by_spaces (f, addr, R_FLAGS_FS_CLASSES, NULL);
|
|
if (!f->realnames) {
|
|
// for asm.flags.real, we don't want these prefixes
|
|
if (flag_mthd && flag_mthd->name && r_str_startswith (flag_mthd->name, "method.")) {
|
|
*kw = "method ";
|
|
} else {
|
|
*kw = "sym ";
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// TODO: this should be moved into r_parse
|
|
static char *ds_sub_jumps(RDisasmState *ds, char *str) {
|
|
RAnal *anal = ds->core->anal;
|
|
RFlag *f = ds->core->flags;
|
|
const char *name = NULL;
|
|
const char *kw = "";
|
|
if (!ds->subjmp || !anal) {
|
|
return str;
|
|
}
|
|
int optype = ds->analop.type & 0xFFFF;
|
|
switch (optype) {
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
case R_ANAL_OP_TYPE_UJMP:
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
break;
|
|
default:
|
|
return str;
|
|
}
|
|
ut64 addr = ds->analop.jump;
|
|
|
|
RAnalFunction *fcn = r_anal_get_function_at (anal, addr);
|
|
if (fcn) {
|
|
if (!set_jump_realname (ds, addr, &kw, &name)) {
|
|
name = fcn->name;
|
|
}
|
|
} else if (f) {
|
|
RBinReloc *rel = NULL;
|
|
RBinObject *bo = r_bin_cur_object (ds->core->bin);
|
|
if (bo && !bo->is_reloc_patched) {
|
|
rel = r_core_getreloc (ds->core, ds->analop.addr, ds->analop.size);
|
|
}
|
|
if (!rel) {
|
|
rel = r_core_getreloc (ds->core, addr, ds->analop.size);
|
|
}
|
|
if (rel) {
|
|
if (rel && rel->import && rel->import->name) {
|
|
name = rel->import->name;
|
|
} else if (rel && rel->symbol && rel->symbol->name) {
|
|
name = rel->symbol->name;
|
|
}
|
|
} else {
|
|
if (!set_jump_realname (ds, addr, &kw, &name)) {
|
|
RFlagItem *flag = r_core_flag_get_by_spaces (f, addr);
|
|
if (flag) {
|
|
if (strchr (flag->name, '.')) {
|
|
name = flag->name;
|
|
if (f->realnames && flag->realname) {
|
|
name = flag->realname;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (name) {
|
|
char *nptr, *ptr;
|
|
ut64 numval;
|
|
ptr = str;
|
|
while ((nptr = _find_next_number (ptr))) {
|
|
ptr = nptr;
|
|
const char* arch = r_config_get (ds->core->config, "asm.arch");
|
|
const bool x86 = !strncmp (arch, "x86", 3);
|
|
const int bits = ds->core->rasm->config->bits;
|
|
const int seggrn = ds->core->rasm->config->seggrn;
|
|
char* colon = strchr (ptr, ':');
|
|
if (x86 && bits == 16 && colon) {
|
|
*colon = '\0';
|
|
ut64 seg = r_num_get (NULL, ptr);
|
|
ut64 off = r_num_get (NULL, colon + 1);
|
|
*colon = ':';
|
|
numval = (seg << seggrn) + off;
|
|
} else {
|
|
numval = r_num_get (NULL, ptr);
|
|
}
|
|
if (numval == addr) {
|
|
while ((*nptr && !IS_SEPARATOR (*nptr) && *nptr != 0x1b) || (x86 && bits == 16 && colon && *nptr == ':')) {
|
|
nptr++;
|
|
}
|
|
char *kwname = r_str_newf ("%s%s", kw, name);
|
|
if (kwname) {
|
|
char* numstr = r_str_ndup (ptr, nptr-ptr);
|
|
if (numstr) {
|
|
// eprintf ("ithiis(%s,%s)", numstr, kwname);
|
|
str = r_str_replace (str, numstr, kwname, 0);
|
|
free (numstr);
|
|
}
|
|
free (kwname);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return str;
|
|
}
|
|
|
|
static bool line_highlighted(RDisasmState *ds) {
|
|
return ds->asm_highlight != UT64_MAX && ds->vat == ds->asm_highlight;
|
|
}
|
|
|
|
static void ds_start_line_highlight(RDisasmState *ds) {
|
|
if (ds->show_color && line_highlighted (ds)) {
|
|
r_cons_strcat (ds->color_linehl);
|
|
}
|
|
}
|
|
|
|
static void ds_end_line_highlight(RDisasmState *ds) {
|
|
if (ds->show_color && line_highlighted (ds)) {
|
|
r_cons_strcat (Color_RESET);
|
|
}
|
|
}
|
|
|
|
/* Disassemble `count` instructions, or bytes if `count_bytes` is enabled
|
|
*
|
|
* pdu_condition_type is only used if pdu_condition is not NULL
|
|
*/
|
|
R_API int r_core_print_disasm(RCore *core, ut64 addr, ut8 *buf, int len, int count, enum pdu_condition pdu_condition_type, const void *pdu_condition, bool count_bytes, bool json, PJ *pj, RAnalFunction *pdf) {
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RPrint *p = core->print;
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RAnalFunction *of = NULL;
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RAnalFunction *f = NULL;
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bool calc_row_offsets = p->calc_row_offsets;
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int skip_bytes_flag = 0, skip_bytes_bb = 0;
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ut8 *nbuf = NULL;
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const int max_op_size = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MAX_OP_SIZE);
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/* pdu vars */
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bool pdu_condition_met = false;
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char *opstr_nocolor = NULL;
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int opcode_len = -1;
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//const char *pdu_condition_esil = NULL;
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const char *pdu_condition_instruction = NULL;
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const char *pdu_condition_opcode = NULL;
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// TODO: All those ds must be print flags
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RDisasmState *ds = ds_init (core);
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ds->count_bytes = count_bytes;
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ds->print = p;
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ds->count = count? count: core->blocksize;
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ds->buf = buf;
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ds->len = len;
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ds->addr = addr;
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ds->hint = NULL;
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ds->buf_line_begin = 0;
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ds->pdf = pdf;
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|
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if (pdu_condition) {
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ds->count_bytes = false;
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ds->count = INT_MAX;
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/*if (pdu_condition_type == esil) {
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pdu_condition_esil = (const char *)pdu_condition;
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} else*/
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if (pdu_condition_type == instruction) {
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pdu_condition_instruction = (const char *)pdu_condition;
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} else if (pdu_condition_type == opcode) {
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pdu_condition_opcode = (const char *)pdu_condition;
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opcode_len = strlen (pdu_condition_opcode);
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}
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}
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|
|
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if (json) {
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ds->pj = pj? pj: r_core_pj_new (core);
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if (!ds->pj) {
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ds_free (ds);
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return 0;
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}
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r_cons_push ();
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} else {
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ds->pj = NULL;
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}
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// disable row_offsets to prevent other commands to overwrite computed info
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p->calc_row_offsets = false;
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//r_cons_printf ("len=%d count=%d limit=%d\n", len, count, p->limit);
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// TODO: import values from debugger is possible
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// TODO: allow to get those register snapshots from traces
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// TODO: per-function register state trace
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// XXX - is there a better way to reset a the analysis counter so that
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// when code is disassembled, it can actually find the correct offsets
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{ /* used by asm.emu */
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r_reg_arena_push (core->anal->reg);
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}
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ds_reflines_init (ds);
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/* reset jmp table if not asked to keep it */
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if (!core->keep_asmqjmps) { // hack
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core->asmqjmps_count = 0;
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ut64 *p = realloc (core->asmqjmps, R_CORE_ASMQJMPS_NUM * sizeof (ut64));
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if (p) {
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core->asmqjmps_size = R_CORE_ASMQJMPS_NUM;
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core->asmqjmps = p;
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int i;
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for (i = 0; i < R_CORE_ASMQJMPS_NUM; i++) {
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core->asmqjmps[i] = UT64_MAX;
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}
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}
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}
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if (ds->pj && !pj) {
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pj_a (ds->pj);
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}
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toro:
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// uhm... is this necessary? imho can be removed
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r_asm_set_pc (core->rasm, r_core_pava (core, ds->addr));
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core->cons->vline = r_config_get_i (core->config, "scr.utf8") ? (r_config_get_i (core->config, "scr.utf8.curvy") ? r_vline_uc : r_vline_u) : r_vline_a;
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if (core->print->cur_enabled) {
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// TODO: support in-the-middle-of-instruction too
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r_anal_op_fini (&ds->analop);
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if (r_anal_op (core->anal, &ds->analop, core->offset + core->print->cur,
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buf + core->print->cur, (int)(len - core->print->cur), R_ANAL_OP_MASK_ALL)) {
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// TODO: check for ds->analop.type and ret
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ds->dest = ds->analop.jump;
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}
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} else {
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/* highlight eip */
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const char *pc = core->anal->reg->name[R_REG_NAME_PC];
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if (pc) {
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RFlagItem *item = r_flag_get (core->flags, pc);
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if (item) {
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ds->dest = item->offset;
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}
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}
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}
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|
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ds_print_esil_anal_init (ds);
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r_cons_break_push (NULL, NULL);
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|
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int inc = 0;
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int ret = 0;
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for (ds->index = 0; ds_left (ds) > 0 && ds->lines < ds->count
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&& (pdu_condition? !pdu_condition_met: true);
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ds->index += inc, count_bytes? ds->lines += inc: ds->lines++) {
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ds->at = ds->addr + ds->index;
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ds->vat = r_core_pava (core, ds->at);
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if (r_cons_is_breaked () || r_cons_was_breaked ()) {
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R_FREE (nbuf);
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if (ds->pj) {
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|
r_cons_pop ();
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}
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r_cons_break_pop ();
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ds_free (ds);
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return 0; //break;
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}
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|
|
|
if (core->print->flags & R_PRINT_FLAGS_UNALLOC) {
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if (!core->anal->iob.is_valid_offset (core->anal->iob.io, ds->at, 0)) {
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ds_begin_line (ds);
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ds_print_labels (ds, f);
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ds_setup_print_pre (ds, false, false);
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ds_print_lines_left (ds);
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core->print->resetbg = (ds->asm_highlight == UT64_MAX);
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|
ds_start_line_highlight (ds);
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ds_print_offset (ds);
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r_cons_printf (" unmapped\n");
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inc = 1;
|
|
continue;
|
|
}
|
|
}
|
|
if (!ds->show_comment_right) {
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|
if (ds->show_cmtesil) {
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const char *esil = R_STRBUF_SAFEGET (&ds->analop.esil);
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// ds_begin_line (ds);
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ds_pre_line (ds);
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ds_setup_print_pre (ds, false, false);
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r_cons_strcat (" ");
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ds_print_lines_left (ds);
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ds_begin_comment (ds);
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if (ds->show_color) {
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ds_comment (ds, true, "; %s%s%s",
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ds->pal_comment, esil, Color_RESET);
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} else {
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ds_comment (ds, true, "; %s", esil);
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|
}
|
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}
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}
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r_core_seek_arch_bits (core, ds->at); // slow but safe
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ds->has_description = false;
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ds->hint = r_core_hint_begin (core, ds->hint, ds->at);
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ds->printed_str_addr = UT64_MAX;
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|
ds->printed_flag_addr = UT64_MAX;
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|
// XXX. this must be done in ds_update_pc()
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|
// ds_update_pc (ds, ds->at);
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r_asm_set_pc (core->rasm, ds->at);
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ds_update_ref_lines (ds);
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r_anal_op_fini (&ds->analop);
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r_anal_op (core->anal, &ds->analop, ds->at, ds_bufat (ds), ds_left (ds), R_ANAL_OP_MASK_ALL);
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if (ds_must_strip (ds)) {
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inc = ds->analop.size;
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// inc = ds->asmop.payload + (ds->asmop.payload % ds->core->rasm->dataalign);
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r_anal_op_fini (&ds->analop);
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continue;
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}
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// f = r_anal_get_fcn_in (core->anal, ds->at, R_ANAL_FCN_TYPE_NULL);
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f = ds->fcn = fcnIn (ds, ds->at, R_ANAL_FCN_TYPE_NULL);
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if (f && f->folded && r_anal_function_contains (f, ds->at)) {
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int delta = (ds->at <= f->addr)? (ds->at - r_anal_function_max_addr (f)): 0;
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if (of != f) {
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char cmt[32];
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get_bits_comment (core, f, cmt, sizeof (cmt));
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const char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, ds->at);
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if (comment) {
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ds_pre_xrefs (ds, true);
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r_cons_printf ("; %s\n", comment);
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}
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r_cons_printf ("%s%s%s (fcn) %s%s%s\n",
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COLOR (ds, color_fline), core->cons->vline[CORNER_TL],
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COLOR (ds, color_fname), f->name, cmt, COLOR_RESET (ds));
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ds_setup_print_pre (ds, true, false);
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ds_print_lines_left (ds);
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ds_print_offset (ds);
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r_cons_printf ("(%" PFMT64d " byte folded function)\n", r_anal_function_linear_size (f));
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//r_cons_printf ("%s%s%s\n", COLOR (ds, color_fline), core->cons->vline[RDWN_CORNER], COLOR_RESET (ds));
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if (delta < 0) {
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delta = -delta;
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}
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ds->addr += delta + ds->index;
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r_io_read_at (core->io, ds->addr, buf, len);
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inc = 0; //delta;
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ds->index = 0;
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of = f;
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r_anal_op_fini (&ds->analop);
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if (count_bytes) {
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break;
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}
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} else {
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ds->lines--;
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ds->addr++;
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r_io_read_at (core->io, ds->addr, buf, len);
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inc = 0; //delta;
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ds->index = 0;
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r_anal_op_fini (&ds->analop);
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}
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continue;
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}
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ds_show_comments_right (ds);
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// TRY adding here
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r_strf_var (link_key, 32, "link.%08" PFMT64x, ds->addr + ds->index);
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const char *link_type = sdb_const_get (core->anal->sdb_types, link_key, 0);
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if (link_type) {
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char *fmt = r_type_format (core->anal->sdb_types, link_type);
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if (fmt) {
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r_cons_printf ("(%s)\n", link_type);
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r_core_cmdf (core, "pf %s @ 0x%08" PFMT64x, fmt, ds->addr + ds->index);
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const ut32 type_bitsize = r_type_get_bitsize (core->anal->sdb_types, link_type);
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// always round up when calculating byte_size from bit_size of types
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// could be struct with a bitfield entry
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inc = (type_bitsize >> 3) + (!!(type_bitsize & 0x7));
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free (fmt);
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r_anal_op_fini (&ds->analop);
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continue;
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}
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} else {
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int left = ds_left (ds);
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#if DEBUG_DISASM
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eprintf ("BEFORE ds_disassemble:\n");
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eprintf ("ds->index=%#x len=%#x left=%#x\n", ds->index, len, left);
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eprintf ("ds->addr=%#" PFMT64x " ds->at=%#" PFMT64x " ds->count=%#x ds->lines=%#x\n", ds->addr, ds->at, ds->count, ds->lines);
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#endif
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if (left < max_op_size && !count_bytes) {
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#if DEBUG_DISASM
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eprintf ("Not enough bytes to disassemble, going to retry.\n");
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#endif
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goto retry;
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}
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|
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ret = ds_disassemble (ds, (ut8 *)ds_bufat (ds), left);
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#if DEBUG_DISASM
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eprintf ("AFTER ds_disassemble:\n");
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eprintf ("ret=%d len=%#x left=%#x ", ret, len, left);
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eprintf ("ds->addr=%#" PFMT64x " ds->at=%#" PFMT64x " ds->count=%#x ds->lines=%#x\n", ds->addr, ds->at, ds->count, ds->lines);
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#endif
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if (ret == -31337) {
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inc = ds->oplen; // minopsz maybe? or we should add invopsz
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r_anal_op_fini (&ds->analop);
|
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continue;
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}
|
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}
|
|
|
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ds_atabs_option (ds);
|
|
if (ds->analop.addr != ds->at) {
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|
r_anal_op_fini (&ds->analop);
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r_anal_op (core->anal, &ds->analop, ds->at, ds_bufat (ds), ds_left (ds), R_ANAL_OP_MASK_ALL);
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}
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|
if (ret < 1) {
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r_strbuf_fini (&ds->analop.esil);
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r_strbuf_init (&ds->analop.esil);
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ds->analop.type = R_ANAL_OP_TYPE_ILL;
|
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}
|
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if (ds->hint) {
|
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if (ds->hint->size) {
|
|
ds->analop.size = ds->hint->size;
|
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}
|
|
if (ds->hint->ptr) {
|
|
ds->analop.ptr = ds->hint->ptr;
|
|
}
|
|
}
|
|
ds_print_bbline (ds);
|
|
if (ds->at >= addr) {
|
|
r_print_set_rowoff (core->print, ds->lines, ds->at - addr, calc_row_offsets);
|
|
}
|
|
skip_bytes_flag = handleMidFlags (core, ds, true);
|
|
if (ds->midbb) {
|
|
skip_bytes_bb = handleMidBB (core, ds);
|
|
}
|
|
ds_show_flags (ds, false);
|
|
ds_show_xrefs (ds);
|
|
if (skip_bytes_flag && ds->midflags == R_MIDFLAGS_SHOW &&
|
|
(!ds->midbb || !skip_bytes_bb || skip_bytes_bb > skip_bytes_flag)) {
|
|
ds->at += skip_bytes_flag;
|
|
ds_show_flags (ds, true);
|
|
ds_show_xrefs (ds);
|
|
ds->at -= skip_bytes_flag;
|
|
}
|
|
if (ds->pdf) {
|
|
static R_TH_LOCAL bool sparse = false;
|
|
RAnalBlock *bb = r_anal_function_bbget_in (core->anal, ds->pdf, ds->at);
|
|
if (!bb) {
|
|
for (inc = 1; inc < ds->oplen; inc++) {
|
|
RAnalBlock *bb = r_anal_function_bbget_in (core->anal, ds->pdf, ds->at + inc);
|
|
if (bb) {
|
|
break;
|
|
}
|
|
}
|
|
r_anal_op_fini (&ds->analop);
|
|
if (!sparse) {
|
|
r_cons_printf ("..\n");
|
|
sparse = true;
|
|
}
|
|
continue;
|
|
}
|
|
sparse = false;
|
|
}
|
|
ds_control_flow_comments (ds);
|
|
ds_adistrick_comments (ds);
|
|
/* XXX: This is really cpu consuming.. need to be fixed */
|
|
ds_show_functions (ds);
|
|
|
|
if (ds->show_comments && !ds->show_comment_right) {
|
|
ds_show_refs (ds);
|
|
ds_build_op_str (ds, false);
|
|
ds_print_ptr (ds, len + 256, ds->index);
|
|
ds_print_sysregs (ds);
|
|
ds_print_fcn_name (ds);
|
|
ds_print_demangled (ds);
|
|
ds_print_pins (ds);
|
|
ds_print_color_reset (ds);
|
|
if (!ds->pseudo) {
|
|
R_FREE (ds->opstr);
|
|
}
|
|
if (ds->show_emu) {
|
|
ds_print_esil_anal (ds);
|
|
}
|
|
if ((ds->analop.type == R_ANAL_OP_TYPE_CALL || ds->analop.type & R_ANAL_OP_TYPE_UCALL) && ds->show_calls) {
|
|
ds_print_calls_hints (ds);
|
|
}
|
|
ds_show_comments_describe (ds);
|
|
}
|
|
|
|
f = fcnIn (ds, ds->addr, 0);
|
|
ds_begin_line (ds);
|
|
ds_print_labels (ds, f);
|
|
ds_setup_print_pre (ds, false, false);
|
|
ds_print_lines_left (ds);
|
|
core->print->resetbg = (ds->asm_highlight == UT64_MAX);
|
|
ds_start_line_highlight (ds);
|
|
ds_print_offset (ds);
|
|
////
|
|
RAnalFunction *fcn = f;
|
|
if (fcn) {
|
|
RAnalBlock *bb = r_anal_function_bbget_in (core->anal, fcn, ds->at);
|
|
if (!bb) {
|
|
fcn = r_anal_get_function_at (core->anal, ds->at);
|
|
if (fcn) {
|
|
bb = r_anal_function_bbget_in (core->anal, fcn, ds->at);
|
|
}
|
|
}
|
|
if (bb) {
|
|
if (bb->folded) {
|
|
r_cons_printf ("[+] Folded BB [..0x%08"PFMT64x"]\n", ds->at + bb->size);
|
|
inc = bb->size;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
////
|
|
int mi_type;
|
|
bool mi_found = ds_print_meta_infos (ds, buf, len, ds->index, &mi_type);
|
|
if (ds->asm_hint_pos == 0) {
|
|
if (mi_found) {
|
|
r_cons_printf (" ");
|
|
} else {
|
|
ds_print_core_vmode (ds, ds->asm_hint_pos);
|
|
}
|
|
}
|
|
ds_print_op_size (ds);
|
|
ds_print_trace (ds);
|
|
ds_print_cycles (ds);
|
|
ds_print_family (ds);
|
|
ds_print_stackptr (ds);
|
|
if (mi_found) {
|
|
ds_print_dwarf (ds);
|
|
ret = ds_print_middle (ds, ret);
|
|
|
|
ds_print_asmop_payload (ds, ds_bufat (ds));
|
|
if (core->rasm->config->syntax != R_ARCH_SYNTAX_INTEL) {
|
|
RAsmOp ao; /* disassemble for the vm .. */
|
|
int os = core->rasm->config->syntax;
|
|
r_asm_set_syntax (core->rasm, R_ARCH_SYNTAX_INTEL);
|
|
r_asm_disassemble (core->rasm, &ao, ds_bufat (ds), ds_left (ds) + 5);
|
|
r_asm_set_syntax (core->rasm, os);
|
|
r_asm_op_fini (&ao);
|
|
}
|
|
if (mi_type == R_META_TYPE_FORMAT) {
|
|
if ((ds->show_comments || ds->show_usercomments) && ds->show_comment_right) {
|
|
// haveMeta = false;
|
|
}
|
|
}
|
|
if (mi_type != R_META_TYPE_FORMAT) {
|
|
if (ds->asm_hint_pos > 0) {
|
|
ds_print_core_vmode (ds, ds->asm_hint_pos);
|
|
}
|
|
}
|
|
ds_end_line_highlight (ds);
|
|
if ((ds->show_comments || ds->show_usercomments) && ds->show_comment_right) {
|
|
ds_print_color_reset (ds);
|
|
ds_print_comments_right (ds);
|
|
}
|
|
} else {
|
|
/* show cursor */
|
|
ds_print_show_cursor (ds);
|
|
if (!ds->show_bytes_right) {
|
|
ds_print_show_bytes (ds);
|
|
}
|
|
ds_print_lines_right (ds);
|
|
ds_print_optype (ds);
|
|
ds_print_vliw (ds, false);
|
|
ds_build_op_str (ds, true);
|
|
ds_print_opstr (ds);
|
|
ds_print_vliw (ds, true);
|
|
ds_end_line_highlight (ds);
|
|
ds_print_dwarf (ds);
|
|
ret = ds_print_middle (ds, ret);
|
|
|
|
ds_print_asmop_payload (ds, ds_bufat (ds));
|
|
if (core->rasm->config->syntax != R_ARCH_SYNTAX_INTEL) {
|
|
RAsmOp ao; /* disassemble for the vm .. */
|
|
int os = core->rasm->config->syntax;
|
|
r_asm_set_syntax (core->rasm, R_ARCH_SYNTAX_INTEL);
|
|
r_asm_disassemble (core->rasm, &ao, ds_bufat (ds), ds_left (ds) + 5);
|
|
r_asm_set_syntax (core->rasm, os);
|
|
r_asm_op_fini (&ao);
|
|
}
|
|
if (ds->show_bytes_right && ds->show_bytes) {
|
|
ds_comment (ds, true, "");
|
|
ds_print_show_bytes (ds);
|
|
}
|
|
if (ds->asm_hint_pos > 0) {
|
|
ds_print_core_vmode (ds, ds->asm_hint_pos);
|
|
}
|
|
// ds_print_cc_update (ds);
|
|
|
|
ds_cdiv_optimization (ds);
|
|
if ((ds->show_comments || ds->show_usercomments) && ds->show_comment_right) {
|
|
if (ds->show_cmtesil) {
|
|
const char *esil = R_STRBUF_SAFEGET (&ds->analop.esil);
|
|
if (ds->show_color) {
|
|
ds_comment (ds, true, "; %s%s%s",
|
|
ds->pal_comment, esil, Color_RESET);
|
|
} else {
|
|
ds_comment (ds, true, "; %s", esil);
|
|
}
|
|
}
|
|
ds_print_ptr (ds, len + 256, ds->index);
|
|
ds_print_sysregs (ds);
|
|
ds_print_fcn_name (ds);
|
|
ds_print_demangled (ds);
|
|
ds_print_color_reset (ds);
|
|
ds_print_comments_right (ds);
|
|
ds_print_esil_anal (ds);
|
|
ds_show_refs (ds);
|
|
}
|
|
}
|
|
core->print->resetbg = true;
|
|
ds_newline (ds);
|
|
if (ds->line) {
|
|
if (ds->show_lines_ret && ds->analop.type == R_ANAL_OP_TYPE_RET) {
|
|
if (strchr (ds->line, '>')) {
|
|
memset (ds->line, ' ', r_str_len_utf8 (ds->line));
|
|
}
|
|
ds_begin_line (ds);
|
|
ds_print_pre (ds, true);
|
|
ds_print_ref_lines (ds->line, ds->line_col, ds);
|
|
r_cons_printf ("; --------------------------------------");
|
|
ds_newline (ds);
|
|
}
|
|
R_FREE (ds->line);
|
|
R_FREE (ds->line_col);
|
|
R_FREE (ds->refline);
|
|
R_FREE (ds->refline2);
|
|
R_FREE (ds->prev_line_col);
|
|
}
|
|
if (pdu_condition) {
|
|
if (ds->opstr) {
|
|
opstr_nocolor = ds->opstr;
|
|
// we can't strcmp with color codes interfering
|
|
r_str_ansi_filter (opstr_nocolor, &ds->opstr, NULL, -1);
|
|
switch (pdu_condition_type) {
|
|
/*case esil:
|
|
pdu_condition_met = true;
|
|
break;*/
|
|
case instruction:
|
|
// match full instruction
|
|
if (!strcmp (pdu_condition_instruction, opstr_nocolor)) {
|
|
pdu_condition_met = true;
|
|
}
|
|
break;
|
|
case opcode:
|
|
// opcode must be followed by space or end of string
|
|
if (!strncmp (pdu_condition_opcode, opstr_nocolor, opcode_len)
|
|
&& (opstr_nocolor[opcode_len] == ' '
|
|
|| !opstr_nocolor[opcode_len])) {
|
|
pdu_condition_met = true;
|
|
}
|
|
}
|
|
} else {
|
|
// no more bytes - give up
|
|
r_cons_reset ();
|
|
r_cons_printf ("Failed to find instruction meeting pdu condition.\n");
|
|
pdu_condition_met = true;
|
|
}
|
|
}
|
|
|
|
R_FREE (opstr_nocolor);
|
|
R_FREE (ds->opstr);
|
|
inc = ds->oplen;
|
|
|
|
if (ds->midflags == R_MIDFLAGS_REALIGN && skip_bytes_flag) {
|
|
inc = skip_bytes_flag;
|
|
}
|
|
if (skip_bytes_bb && skip_bytes_bb < inc) {
|
|
inc = skip_bytes_bb;
|
|
}
|
|
inc += ds->asmop.payload + (ds->asmop.payload % ds->core->rasm->dataalign);
|
|
}
|
|
r_anal_op_fini (&ds->analop);
|
|
|
|
R_FREE (nbuf);
|
|
r_cons_break_pop ();
|
|
|
|
#if HASRETRY
|
|
// if we come here without goto, never retry with count_bytes
|
|
if (!count_bytes && ds->lines < ds->count
|
|
&& (pdu_condition? !pdu_condition_met: true)) {
|
|
ds->at = ds->addr = ds->at + inc;
|
|
ds->index = 0;
|
|
retry:
|
|
#if DEBUG_DISASM
|
|
eprintf ("Retrying. ds->at,ds->addr=%#" PFMT64x ", ds->index=%d\n", ds->at, ds->index);
|
|
#endif
|
|
if (len < max_op_size) {
|
|
ds->len = len = max_op_size + 32;
|
|
}
|
|
R_FREE (nbuf);
|
|
ds->buf = buf = nbuf = malloc (len);
|
|
if (!buf) {
|
|
eprintf ("Cannot allocate %d bytes\n", len);
|
|
}
|
|
|
|
// only try again if we still need more lines
|
|
if (!count_bytes && ds->lines < ds->count) {
|
|
ds->addr += ds->index;
|
|
r_io_read_at (core->io, ds->addr, buf, len);
|
|
|
|
goto toro;
|
|
}
|
|
}
|
|
#endif
|
|
if (ds->pj) {
|
|
r_cons_pop ();
|
|
if (!pj) {
|
|
pj_end (ds->pj);
|
|
r_cons_printf ("%s", pj_string (ds->pj));
|
|
pj_free (ds->pj);
|
|
}
|
|
}
|
|
r_print_set_rowoff (core->print, ds->lines, ds->at - addr, calc_row_offsets);
|
|
r_print_set_rowoff (core->print, ds->lines + 1, UT32_MAX, calc_row_offsets);
|
|
// TODO: this too (must review)
|
|
ds_print_esil_anal_fini (ds);
|
|
ds_reflines_fini (ds);
|
|
R_FREE (nbuf);
|
|
p->calc_row_offsets = calc_row_offsets;
|
|
/* used by asm.emu */
|
|
r_reg_arena_pop (core->anal->reg);
|
|
ut64 res = ds_offset (ds); //-ds->lastfail;
|
|
ds_free (ds);
|
|
return res;
|
|
}
|
|
|
|
static inline bool check_end(int nb_opcodes, int nb_bytes, int i, int j) {
|
|
if (nb_opcodes > 0) {
|
|
if (nb_bytes > 0) {
|
|
#if 1
|
|
const int maxinstrsz = 32;
|
|
if (nb_bytes < maxinstrsz) {
|
|
// XXX if bbsize <32 expect invalid in disasm
|
|
return j < nb_opcodes && i < nb_bytes;
|
|
}
|
|
return j < nb_opcodes && i + maxinstrsz < nb_bytes;
|
|
#else
|
|
return j < nb_opcodes && i < nb_bytes;
|
|
#endif
|
|
}
|
|
return j < nb_opcodes;
|
|
}
|
|
return i < nb_bytes;
|
|
}
|
|
|
|
R_API int r_core_print_disasm_instructions_with_buf(RCore *core, ut64 address, ut8 *buf, int nb_bytes, int nb_opcodes) {
|
|
RDisasmState *ds = NULL;
|
|
int i, j, ret, len = 0;
|
|
char *tmpopstr;
|
|
const ut64 old_offset = core->offset;
|
|
bool hasanal = false;
|
|
const size_t addrbytes = buf ? 1 : core->io->addrbytes;
|
|
int skip_bytes_flag = 0, skip_bytes_bb = 0;
|
|
|
|
if (nb_bytes < 1 && nb_opcodes < 1) {
|
|
return 0;
|
|
}
|
|
|
|
r_reg_arena_push (core->anal->reg);
|
|
|
|
ds = ds_init (core);
|
|
ds->count = nb_opcodes;
|
|
ds->len = nb_opcodes * 8;
|
|
|
|
if (!buf) {
|
|
r_core_seek (core, address, true);
|
|
buf = core->block;
|
|
}
|
|
|
|
core->offset = address;
|
|
|
|
r_cons_break_push (NULL, NULL);
|
|
//build ranges to map addr with bits
|
|
j = 0;
|
|
toro:
|
|
for (i = 0; check_end (nb_opcodes, nb_bytes, addrbytes * i, j); i += ret, j++) {
|
|
ds->at = address + i;
|
|
ds->vat = r_core_pava (core, ds->at);
|
|
hasanal = false;
|
|
r_core_seek_arch_bits (core, ds->at);
|
|
if (r_cons_is_breaked ()) {
|
|
break;
|
|
}
|
|
ds->hint = r_core_hint_begin (core, ds->hint, ds->at);
|
|
ds->has_description = false;
|
|
r_asm_set_pc (core->rasm, ds->at);
|
|
// XXX copypasta from main disassembler function
|
|
// r_anal_get_fcn_in (core->anal, ds->at, R_ANAL_FCN_TYPE_NULL);
|
|
// 580 - remove this call, because ranalop give us the disasssembly now! this is doing work twice
|
|
ret = r_asm_disassemble (core->rasm, &ds->asmop,
|
|
buf + addrbytes * i, nb_bytes - addrbytes * i);
|
|
ds->oplen = ret;
|
|
skip_bytes_flag = handleMidFlags (core, ds, true);
|
|
if (ds->midbb) {
|
|
skip_bytes_bb = handleMidBB (core, ds);
|
|
}
|
|
if (skip_bytes_flag && ds->midflags > R_MIDFLAGS_SHOW) {
|
|
ret = skip_bytes_flag;
|
|
}
|
|
if (skip_bytes_bb && skip_bytes_bb < ret) {
|
|
ret = skip_bytes_bb;
|
|
}
|
|
r_anal_op_fini (&ds->analop);
|
|
if (!hasanal) {
|
|
// XXX we probably don't need MASK_ALL
|
|
r_anal_op (core->anal, &ds->analop, ds->at, buf + addrbytes * i, nb_bytes - addrbytes * i, R_ANAL_OP_MASK_ALL);
|
|
hasanal = true;
|
|
}
|
|
if (ds_must_strip (ds)) {
|
|
continue;
|
|
}
|
|
|
|
if (ds->hint && ds->hint->size > 0) {
|
|
ret = ds->hint->size;
|
|
ds->oplen = ret;
|
|
ds->analop.size = ret;
|
|
ds->asmop.size = ret;
|
|
}
|
|
/* fix infinite loop */
|
|
if (ret < 1) {
|
|
ret = 1;
|
|
}
|
|
len += R_MAX (0, ret);
|
|
if (ds->hint && ds->hint->opcode) {
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->hint->opcode);
|
|
} else {
|
|
if (ds->decode && !ds->immtrim) {
|
|
R_FREE (ds->opstr);
|
|
if (!hasanal) {
|
|
r_anal_op (core->anal, &ds->analop, ds->at, buf + i, nb_bytes - i, R_ANAL_OP_MASK_ALL);
|
|
hasanal = true;
|
|
}
|
|
tmpopstr = r_anal_op_to_string (core->anal, &ds->analop);
|
|
ds->opstr = (tmpopstr)? tmpopstr: strdup (r_asm_op_get_asm (&ds->asmop));
|
|
} else if (ds->immtrim) {
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (r_asm_op_get_asm (&ds->asmop));
|
|
char *res = r_parse_immtrim (strdup (ds->opstr));
|
|
if (res) {
|
|
free (ds->opstr);
|
|
ds->opstr = res;
|
|
}
|
|
} else if (ds->use_esil) {
|
|
if (!hasanal) {
|
|
r_anal_op (core->anal, &ds->analop,
|
|
ds->at, buf + i,
|
|
nb_bytes - i, R_ANAL_OP_MASK_ESIL | R_ANAL_OP_MASK_HINT);
|
|
hasanal = true;
|
|
}
|
|
if (*R_STRBUF_SAFEGET (&ds->analop.esil)) {
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (R_STRBUF_SAFEGET (&ds->analop.esil));
|
|
}
|
|
} else if (ds->subnames) {
|
|
char *asm_str;
|
|
RSpace *ofs = core->parser->flagspace;
|
|
RSpace *fs = ds->flagspace_ports;
|
|
if (ds->analop.type == R_ANAL_OP_TYPE_IO) {
|
|
core->parser->notin_flagspace = NULL;
|
|
core->parser->flagspace = fs;
|
|
} else {
|
|
if (fs) {
|
|
core->parser->notin_flagspace = fs;
|
|
core->parser->flagspace = fs;
|
|
} else {
|
|
core->parser->notin_flagspace = NULL;
|
|
core->parser->flagspace = NULL;
|
|
}
|
|
}
|
|
ds_build_op_str (ds, true);
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (ds->str);
|
|
asm_str = colorize_asm_string (core, ds, true);
|
|
if (asm_str) {
|
|
core->parser->flagspace = ofs;
|
|
free (ds->opstr);
|
|
ds->opstr = asm_str;
|
|
}
|
|
} else {
|
|
ds->opstr = strdup (r_asm_op_get_asm (&ds->asmop));
|
|
}
|
|
if (ds->immtrim) {
|
|
free (ds->opstr);
|
|
ds->opstr = strdup (r_asm_op_get_asm (&ds->asmop));
|
|
ds->opstr = r_parse_immtrim (ds->opstr);
|
|
}
|
|
}
|
|
if (ds->asm_instr) {
|
|
const char *opcolor = NULL;
|
|
if (ds->show_color) {
|
|
opcolor = r_print_color_op_type (core->print, ds->analop.type);
|
|
r_cons_printf ("%s%s" Color_RESET "\n", opcolor, ds->opstr);
|
|
} else {
|
|
r_cons_println (ds->opstr);
|
|
}
|
|
R_FREE (ds->opstr);
|
|
}
|
|
if (ds->hint) {
|
|
r_anal_hint_free (ds->hint);
|
|
ds->hint = NULL;
|
|
}
|
|
}
|
|
if (buf == core->block && nb_opcodes > 0 && j < nb_opcodes) {
|
|
r_core_seek (core, core->offset + i, true);
|
|
i = 0;
|
|
goto toro;
|
|
}
|
|
r_cons_break_pop ();
|
|
ds_free (ds);
|
|
core->offset = old_offset;
|
|
r_reg_arena_pop (core->anal->reg);
|
|
|
|
return len;
|
|
}
|
|
|
|
static bool handle_backwards_disasm(RCore *core, int *nb_opcodes, int *nb_bytes) {
|
|
if (!*nb_opcodes && !*nb_bytes) {
|
|
return false;
|
|
}
|
|
if (!*nb_bytes) {
|
|
*nb_bytes = core->blocksize;
|
|
if (*nb_opcodes < 0) {
|
|
/* Backward disassembly of nb_opcodes opcodes
|
|
* - We compute the new starting offset
|
|
* - Read at the new offset */
|
|
*nb_opcodes = -*nb_opcodes;
|
|
|
|
const ut64 old_offset = core->offset;
|
|
int nbytes = 0;
|
|
|
|
// We have some anal_info.
|
|
if (r_core_prevop_addr (core, core->offset, *nb_opcodes, &core->offset)) {
|
|
nbytes = old_offset - core->offset;
|
|
} else {
|
|
// core->offset is modified by r_core_prevop_addr
|
|
core->offset = old_offset;
|
|
r_core_asm_bwdis_len (core, &nbytes, &core->offset, *nb_opcodes);
|
|
}
|
|
if (nbytes > core->blocksize) {
|
|
r_core_block_size (core, nbytes);
|
|
}
|
|
if (nbytes < 1) {
|
|
return false;
|
|
}
|
|
r_io_read_at (core->io, core->offset, core->block, nbytes);
|
|
}
|
|
} else {
|
|
if (*nb_bytes < 0) { // Disassemble backward `nb_bytes` bytes
|
|
*nb_bytes = -*nb_bytes;
|
|
core->offset -= *nb_bytes;
|
|
if (*nb_bytes > core->blocksize) {
|
|
ut64 obsz = core->blocksize;
|
|
r_core_block_size (core, *nb_bytes);
|
|
if (core->blocksize == *nb_bytes) {
|
|
r_io_read_at (core->io, core->offset, core->block, *nb_bytes);
|
|
} else {
|
|
R_LOG_ERROR ("Cannot read that much!");
|
|
r_core_block_size (core, obsz);
|
|
return false;
|
|
}
|
|
r_core_block_size (core, obsz);
|
|
} else {
|
|
r_io_read_at (core->io, core->offset, core->block, *nb_bytes);
|
|
}
|
|
} else {
|
|
if (*nb_bytes > core->blocksize) {
|
|
r_core_block_size (core, *nb_bytes);
|
|
r_io_read_at (core->io, core->offset, core->block, *nb_bytes);
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/* Disassemble either `nb_opcodes` instructions, or
|
|
* `nb_bytes` bytes; both can be negative.
|
|
* Set to 0 the parameter you don't use */
|
|
R_API int r_core_print_disasm_instructions(RCore *core, int nb_bytes, int nb_opcodes) {
|
|
const ut64 ocore_offset = core->offset;
|
|
int ret = -1;
|
|
if (handle_backwards_disasm (core, &nb_opcodes, &nb_bytes)) {
|
|
ret = r_core_print_disasm_instructions_with_buf (core, core->offset, NULL, nb_bytes, nb_opcodes);
|
|
}
|
|
r_core_seek (core, ocore_offset, true);
|
|
return ret;
|
|
}
|
|
|
|
R_API int r_core_print_disasm_json(RCore *core, ut64 addr, ut8 *buf, int nb_bytes, int nb_opcodes, PJ *pj) {
|
|
RDisasmState *ds;
|
|
RAnalFunction *f;
|
|
int i, j, k, ret, line;
|
|
ut64 old_offset = core->offset;
|
|
ut64 at;
|
|
int dis_opcodes = 0;
|
|
int limit_by = 'b';
|
|
char str[512];
|
|
|
|
if (nb_opcodes != 0) {
|
|
limit_by = 'o';
|
|
}
|
|
if (nb_opcodes) { // Disassemble `nb_opcodes` opcodes.
|
|
if (nb_opcodes < 0) {
|
|
int count, nbytes = 0;
|
|
|
|
/* Backward disassembly of `nb_opcodes` opcodes:
|
|
* - We compute the new starting offset
|
|
* - Read at the new offset */
|
|
nb_opcodes = -nb_opcodes;
|
|
|
|
if (nb_opcodes > 0xffff) {
|
|
eprintf ("Too many backward instructions\n");
|
|
return false;
|
|
}
|
|
|
|
if (r_core_prevop_addr (core, core->offset, nb_opcodes, &addr)) {
|
|
nbytes = old_offset - addr;
|
|
} else if (!r_core_asm_bwdis_len (core, &nbytes, &addr, nb_opcodes)) {
|
|
/* workaround to avoid empty arrays */
|
|
#define BWRETRY 0
|
|
#if BWRETRY
|
|
nb_opcodes ++;
|
|
if (!r_core_asm_bwdis_len (core, &nbytes, &addr, nb_opcodes)) {
|
|
#endif
|
|
pj_end (pj);
|
|
return false;
|
|
#if BWRETRY
|
|
}
|
|
#endif
|
|
nb_opcodes --;
|
|
}
|
|
count = R_MIN (nb_bytes, nbytes);
|
|
if (count > 0) {
|
|
r_io_read_at (core->io, addr, buf, count);
|
|
r_io_read_at (core->io, addr + count, buf + count, nb_bytes - count);
|
|
} else {
|
|
if (nb_bytes > 0) {
|
|
memset (buf, 0xff, nb_bytes);
|
|
}
|
|
}
|
|
} else {
|
|
// If we are disassembling a positive number of lines, enable dis_opcodes
|
|
// to be used to finish the loop
|
|
// If we are disasembling a negative number of lines, we just calculate
|
|
// the equivalent addr and nb_size and scan a positive number of BYTES
|
|
// so keep dis_opcodes = 0;
|
|
dis_opcodes = 1;
|
|
r_io_read_at (core->io, addr, buf, nb_bytes);
|
|
}
|
|
} else { // Disassemble `nb_bytes` bytes
|
|
if (nb_bytes < 0) {
|
|
//Backward disassembly of `nb_bytes` bytes
|
|
nb_bytes = -nb_bytes;
|
|
addr -= nb_bytes;
|
|
r_io_read_at (core->io, addr, buf, nb_bytes);
|
|
}
|
|
}
|
|
core->offset = addr;
|
|
|
|
// TODO: add support for anal hints
|
|
// If using #bytes i = j
|
|
// If using #opcodes, j is the offset from start address. i is the
|
|
// offset in current disassembly buffer (256 by default)
|
|
i = k = j = line = 0;
|
|
// i = number of bytes
|
|
// j = number of instructions
|
|
// k = delta from addr
|
|
ds = ds_init (core);
|
|
bool result = false;
|
|
const bool be = core->rasm->config->big_endian;
|
|
|
|
for (;;) {
|
|
RAsmOp asmop;
|
|
bool end_nbopcodes, end_nbbytes;
|
|
int skip_bytes_flag = 0, skip_bytes_bb = 0;
|
|
|
|
at = addr + k;
|
|
ds->hint = r_core_hint_begin (core, ds->hint, ds->at);
|
|
r_asm_set_pc (core->rasm, at);
|
|
// 32 is the biggest opcode length in intel
|
|
// Make sure we have room for it
|
|
if (dis_opcodes == 1 && i >= nb_bytes - 32) {
|
|
// Read another nb_bytes bytes into buf from current offset
|
|
r_io_read_at (core->io, at, buf, nb_bytes);
|
|
i = 0;
|
|
}
|
|
|
|
if (limit_by == 'o') {
|
|
if (j >= nb_opcodes) {
|
|
break;
|
|
}
|
|
} else if (i >= nb_bytes) {
|
|
break;
|
|
}
|
|
ret = r_asm_disassemble (core->rasm, &asmop, buf + i, nb_bytes - i);
|
|
if (ret < 1) {
|
|
char *hex = r_asm_op_get_hex (&asmop);
|
|
pj_o (pj);
|
|
pj_kn (pj, "offset", at);
|
|
pj_ki (pj, "size", 1);
|
|
pj_ks (pj, "bytes", hex);
|
|
pj_ks (pj, "type", "invalid");
|
|
pj_end (pj);
|
|
i++;
|
|
k++;
|
|
j++;
|
|
result = true;
|
|
free (hex);
|
|
continue;
|
|
}
|
|
|
|
char opstr[256];
|
|
r_str_ncpy (opstr, r_asm_op_get_asm (&asmop), sizeof (opstr) - 1);
|
|
|
|
ds->has_description = false;
|
|
r_anal_op_fini (&ds->analop);
|
|
r_anal_op (core->anal, &ds->analop, at, buf + i, nb_bytes - i, R_ANAL_OP_MASK_ALL);
|
|
|
|
if (ds->pseudo) {
|
|
r_parse_parse (core->parser, opstr, opstr);
|
|
}
|
|
|
|
// f = r_anal_get_fcn_in (core->anal, at,
|
|
f = fcnIn (ds, at, R_ANAL_FCN_TYPE_FCN | R_ANAL_FCN_TYPE_SYM | R_ANAL_FCN_TYPE_LOC);
|
|
if (ds->subvar && f) {
|
|
int ba_len = r_strbuf_length (&asmop.buf_asm) + 128;
|
|
char *ba = malloc (ba_len);
|
|
if (ba) {
|
|
strcpy (ba, r_asm_op_get_asm (&asmop));
|
|
r_parse_subvar (core->parser, f, at, ds->analop.size,
|
|
ba, ba, ba_len);
|
|
r_asm_op_set_asm (&asmop, ba);
|
|
free (ba);
|
|
}
|
|
}
|
|
ds->oplen = r_asm_op_get_size (&asmop);
|
|
ds->at = at;
|
|
skip_bytes_flag = handleMidFlags (core, ds, false);
|
|
if (ds->midbb) {
|
|
skip_bytes_bb = handleMidBB (core, ds);
|
|
}
|
|
if (skip_bytes_flag && ds->midflags > R_MIDFLAGS_SHOW) {
|
|
ds->oplen = ret = skip_bytes_flag;
|
|
}
|
|
if (skip_bytes_bb && skip_bytes_bb < ret) {
|
|
ds->oplen = ret = skip_bytes_bb;
|
|
}
|
|
{
|
|
ut64 killme = UT64_MAX;
|
|
if (r_io_read_i (core->io, ds->analop.ptr, &killme, ds->analop.refptr, be)) {
|
|
core->parser->subrel_addr = killme;
|
|
}
|
|
}
|
|
{
|
|
char *aop = r_asm_op_get_asm (&asmop);
|
|
char *buf = malloc (strlen (aop) + 128);
|
|
if (buf) {
|
|
strcpy (buf, aop);
|
|
buf = ds_sub_jumps (ds, buf);
|
|
r_parse_filter (core->parser, ds->vat, core->flags, ds->hint, buf,
|
|
str, sizeof (str) - 1, be);
|
|
str[sizeof (str) - 1] = '\0';
|
|
r_asm_op_set_asm (&asmop, buf);
|
|
free (buf);
|
|
}
|
|
}
|
|
|
|
pj_o (pj);
|
|
pj_kn (pj, "offset", at);
|
|
if (ds->analop.ptr != UT64_MAX) {
|
|
pj_kn (pj, "ptr", ds->analop.ptr);
|
|
}
|
|
if (ds->analop.val != UT64_MAX) {
|
|
pj_kn (pj, "val", ds->analop.val);
|
|
}
|
|
pj_k (pj, "esil"); // split key and value to allow empty strings
|
|
pj_s (pj, R_STRBUF_SAFEGET (&ds->analop.esil));
|
|
pj_kb (pj, "refptr", ds->analop.refptr);
|
|
pj_kn (pj, "fcn_addr", f ? f->addr : 0);
|
|
pj_kn (pj, "fcn_last", f ? r_anal_function_max_addr (f) - ds->oplen : 0);
|
|
pj_ki (pj, "size", ds->analop.size);
|
|
pj_ks (pj, "opcode", opstr);
|
|
pj_ks (pj, "disasm", str);
|
|
{
|
|
char *hex = r_asm_op_get_hex (&asmop);
|
|
pj_ks (pj, "bytes", hex);
|
|
free (hex);
|
|
}
|
|
pj_ks (pj, "family", r_anal_op_family_to_string (ds->analop.family));
|
|
pj_ks (pj, "type", r_anal_optype_to_string (ds->analop.type));
|
|
// indicate a relocated address
|
|
RBinReloc *rel = r_core_getreloc (core, ds->at, ds->analop.size);
|
|
// reloc is true if address in reloc table
|
|
pj_kb (pj, "reloc", rel);
|
|
// wanted the numerical values of the type information
|
|
pj_kn (pj, "type_num", (ut64)(ds->analop.type & UT64_MAX));
|
|
pj_kn (pj, "type2_num", (ut64)(ds->analop.type2 & UT64_MAX));
|
|
// addr addrline info here
|
|
{
|
|
int line;
|
|
char file[1024];
|
|
bool ret = r_bin_addr2line (core->bin, at, file, sizeof (file) - 1, &line);
|
|
if (!ret) {
|
|
ret = r_bin_addr2line2 (core->bin, at, file, sizeof (file) - 1, &line);
|
|
}
|
|
if (ret) {
|
|
pj_ko (pj, "addrline");
|
|
pj_ks (pj, "file", file);
|
|
pj_kn (pj, "line", line);
|
|
pj_end (pj);
|
|
}
|
|
}
|
|
// handle switch statements
|
|
if (ds->analop.switch_op && r_list_length (ds->analop.switch_op->cases) > 0) {
|
|
// XXX - the java caseop will still be reported in the assembly,
|
|
// this is an artifact to make ensure the disassembly is properly
|
|
// represented during the analysis
|
|
RListIter *iter;
|
|
RAnalCaseOp *caseop;
|
|
pj_k (pj, "switch");
|
|
pj_a (pj);
|
|
r_list_foreach (ds->analop.switch_op->cases, iter, caseop ) {
|
|
pj_o (pj);
|
|
pj_kn (pj, "addr", caseop->addr);
|
|
pj_kN (pj, "value", (st64) caseop->value);
|
|
pj_kn (pj, "jump", caseop->jump);
|
|
pj_end (pj);
|
|
}
|
|
pj_end (pj);
|
|
}
|
|
if (ds->analop.jump != UT64_MAX ) {
|
|
pj_kN (pj, "jump", ds->analop.jump);
|
|
if (ds->analop.fail != UT64_MAX) {
|
|
pj_kn (pj, "fail", ds->analop.fail);
|
|
}
|
|
}
|
|
/* add flags */
|
|
{
|
|
const RList *flags = r_flag_get_list (core->flags, at);
|
|
RFlagItem *flag;
|
|
RListIter *iter;
|
|
if (flags && !r_list_empty (flags)) {
|
|
pj_k (pj, "flags");
|
|
pj_a (pj);
|
|
r_list_foreach (flags, iter, flag) {
|
|
pj_s (pj, flag->name);
|
|
}
|
|
pj_end (pj);
|
|
}
|
|
}
|
|
/* add comments */
|
|
{
|
|
// TODO: slow because we are encoding b64
|
|
const char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, at);
|
|
if (comment) {
|
|
char *b64comment = sdb_encode ((const ut8*)comment, -1);
|
|
pj_ks (pj, "comment", b64comment);
|
|
free (b64comment);
|
|
}
|
|
}
|
|
/* add refs */
|
|
{
|
|
RAnalRef *ref;
|
|
RListIter *iter;
|
|
RList *refs = r_anal_refs_get (core->anal, at);
|
|
if (refs && !r_list_empty (refs)) {
|
|
pj_k (pj, "refs");
|
|
pj_a (pj);
|
|
r_list_foreach (refs, iter, ref) {
|
|
pj_o (pj);
|
|
pj_kn (pj, "addr", ref->addr);
|
|
pj_ks (pj, "type", r_anal_ref_type_tostring (ref->type));
|
|
pj_ks (pj, "perm", r_anal_ref_perm_tostring (ref));
|
|
pj_end (pj);
|
|
}
|
|
pj_end (pj);
|
|
}
|
|
r_list_free (refs);
|
|
}
|
|
/* add xrefs */
|
|
{
|
|
RAnalRef *ref;
|
|
RListIter *iter;
|
|
RList *xrefs = r_anal_xrefs_get (core->anal, at);
|
|
if (xrefs && !r_list_empty (xrefs)) {
|
|
pj_k (pj, "xrefs");
|
|
pj_a (pj);
|
|
r_list_foreach (xrefs, iter, ref) {
|
|
pj_o (pj);
|
|
pj_kn (pj, "addr", ref->addr);
|
|
pj_ks (pj, "type", r_anal_ref_type_tostring (ref->type));
|
|
pj_ks (pj, "perm", r_anal_ref_perm_tostring (ref));
|
|
pj_end (pj);
|
|
}
|
|
pj_end (pj);
|
|
}
|
|
r_list_free (xrefs);
|
|
}
|
|
|
|
pj_end (pj);
|
|
i += ds->oplen + asmop.payload + (ds->asmop.payload % ds->core->rasm->dataalign); // bytes
|
|
k += ds->oplen + asmop.payload + (ds->asmop.payload % ds->core->rasm->dataalign); // delta from addr
|
|
j++; // instructions
|
|
line++;
|
|
|
|
end_nbopcodes = dis_opcodes == 1 && nb_opcodes > 0 && line>=nb_opcodes;
|
|
end_nbbytes = dis_opcodes == 0 && nb_bytes > 0 && i>=nb_bytes;
|
|
result = true;
|
|
r_asm_op_fini (&asmop);
|
|
if (end_nbopcodes || end_nbbytes) {
|
|
break;
|
|
}
|
|
}
|
|
r_anal_op_fini (&ds->analop);
|
|
ds_free (ds);
|
|
if (!result) {
|
|
pj_o (pj);
|
|
pj_end (pj);
|
|
result = true;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
R_API int r_core_print_disasm_all(RCore *core, ut64 addr, int l, int len, int mode) {
|
|
const bool scr_color = r_config_get_i (core->config, "scr.color");
|
|
int i, ret, count = 0;
|
|
ut8 *buf = core->block;
|
|
char str[128];
|
|
if (l < 1) {
|
|
l = len;
|
|
}
|
|
RDisasmState *ds = ds_init (core);
|
|
if (l > core->blocksize || addr != core->offset) {
|
|
buf = malloc (l + 1);
|
|
if (!buf) {
|
|
ds_free (ds);
|
|
return 0;
|
|
}
|
|
r_io_read_at (core->io, addr, buf, l);
|
|
}
|
|
PJ *pj = NULL;
|
|
if (mode == 'j') {
|
|
pj = r_core_pj_new (core);
|
|
if (!pj) {
|
|
ds_free (ds);
|
|
return 0;
|
|
}
|
|
pj_a (pj);
|
|
}
|
|
const bool be = core->rasm->config->big_endian;
|
|
int minopsz = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MIN_OP_SIZE);
|
|
int opalign = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_ALIGN);
|
|
r_cons_break_push (NULL, NULL);
|
|
for (i = 0; i < l; i += minopsz) {
|
|
RAsmOp asmop;
|
|
ds->at = addr + i;
|
|
if (opalign > 1) {
|
|
// skip unaligned addresses
|
|
if ((ds->at % opalign)) {
|
|
i += (ds->at % opalign) - minopsz;
|
|
continue;
|
|
}
|
|
}
|
|
ds->vat = r_core_pava (core, ds->at);
|
|
r_asm_set_pc (core->rasm, ds->vat);
|
|
if (r_cons_is_breaked ()) {
|
|
break;
|
|
}
|
|
ret = r_asm_disassemble (core->rasm, &asmop, buf + i, l - i);
|
|
if (ret < 1) {
|
|
switch (mode) {
|
|
case 'j':
|
|
case '=':
|
|
break;
|
|
case 'i':
|
|
r_cons_printf ("???\n");
|
|
break;
|
|
default:
|
|
r_cons_printf ("0x%08"PFMT64x" ???\n", ds->vat);
|
|
break;
|
|
}
|
|
} else {
|
|
count ++;
|
|
switch (mode) {
|
|
case 'i':
|
|
r_parse_filter (core->parser, ds->vat, core->flags, ds->hint, r_asm_op_get_asm (&asmop),
|
|
str, sizeof (str), be);
|
|
if (scr_color) {
|
|
RAnalOp aop;
|
|
RAnalFunction *f = fcnIn (ds, ds->vat, R_ANAL_FCN_TYPE_NULL);
|
|
r_anal_op (core->anal, &aop, addr, buf+i, l-i, R_ANAL_OP_MASK_ALL);
|
|
char *buf_asm = r_print_colorize_opcode (core->print, str,
|
|
core->cons->context->pal.reg, core->cons->context->pal.num, false, f ? f->addr : 0);
|
|
if (buf_asm) {
|
|
r_cons_printf ("%s%s\n", r_print_color_op_type (core->print, aop.type), buf_asm);
|
|
free (buf_asm);
|
|
}
|
|
} else {
|
|
r_cons_println (r_asm_op_get_asm (&asmop));
|
|
}
|
|
break;
|
|
case '=':
|
|
if (i < 28) {
|
|
char *str = r_str_newf ("0x%08"PFMT64x" %60s %s\n", ds->vat, "", r_asm_op_get_asm (&asmop));
|
|
char *sp = strchr (str, ' ');
|
|
if (sp) {
|
|
char *end = sp + 60 + 1;
|
|
char *src = r_asm_op_get_hex (&asmop);
|
|
char *dst = sp + 1 + (i * 2);
|
|
int len = strlen (src);
|
|
if (dst < end) {
|
|
if (dst + len >= end) {
|
|
len = end - dst;
|
|
dst[len] = '.';
|
|
}
|
|
memcpy (dst, src, len);
|
|
}
|
|
free (src);
|
|
}
|
|
r_cons_strcat (str);
|
|
free (str);
|
|
}
|
|
break;
|
|
case 'j': {
|
|
char *op_hex = r_asm_op_get_hex (&asmop);
|
|
pj_o (pj);
|
|
pj_kn (pj, "addr", addr + i);
|
|
pj_ks (pj, "bytes", op_hex);
|
|
pj_ks (pj, "inst", r_asm_op_get_asm (&asmop));
|
|
pj_end (pj);
|
|
free (op_hex);
|
|
break;
|
|
}
|
|
default: {
|
|
char *op_hex = r_asm_op_get_hex (&asmop);
|
|
r_cons_printf ("0x%08"PFMT64x" %20s %s\n",
|
|
addr + i, op_hex,
|
|
r_asm_op_get_asm (&asmop));
|
|
free (op_hex);
|
|
}
|
|
}
|
|
}
|
|
r_asm_op_fini (&asmop);
|
|
}
|
|
r_cons_break_pop ();
|
|
if (buf != core->block) {
|
|
free (buf);
|
|
}
|
|
if (mode == 'j') {
|
|
pj_end (pj);
|
|
r_cons_println (pj_string (pj));
|
|
pj_free (pj);
|
|
}
|
|
ds_free (ds);
|
|
return count;
|
|
}
|
|
|
|
R_API int r_core_disasm_pdi_with_buf(RCore *core, ut64 address, ut8 *buf, ut32 nb_opcodes, ut32 nb_bytes, int fmt) {
|
|
bool show_offset = r_config_get_b (core->config, "asm.offset");
|
|
bool show_bytes = r_config_get_b (core->config, "asm.bytes");
|
|
int decode = r_config_get_i (core->config, "asm.decode");
|
|
bool subnames = r_config_get_b (core->config, "asm.sub.names");
|
|
int show_color = r_config_get_i (core->config, "scr.color");
|
|
bool asm_ucase = r_config_get_i (core->config, "asm.ucase");
|
|
bool asm_instr = r_config_get_i (core->config, "asm.instr");
|
|
int esil = r_config_get_i (core->config, "asm.esil");
|
|
int flags = r_config_get_i (core->config, "asm.flags");
|
|
bool asm_immtrim = r_config_get_i (core->config, "asm.imm.trim");
|
|
int i = 0, j, ret, err = 0;
|
|
ut64 addr = core->offset;
|
|
const char *color_reg = R_CONS_COLOR_DEF (reg, Color_YELLOW);
|
|
const char *color_num = R_CONS_COLOR_DEF (num, Color_CYAN);
|
|
const size_t addrbytes = buf ? 1 : core->io->addrbytes;
|
|
|
|
if (fmt == 'e') {
|
|
show_bytes = false;
|
|
decode = 1;
|
|
}
|
|
|
|
if (nb_opcodes < 1 && nb_bytes < 1) {
|
|
return 0;
|
|
}
|
|
bool mybuf = false;
|
|
if (!buf) {
|
|
buf = malloc (nb_bytes);
|
|
mybuf = true;
|
|
r_io_read_at (core->io, address, buf, nb_bytes);
|
|
}
|
|
addr = address;
|
|
ut64 addr_end = address + nb_bytes;
|
|
|
|
r_cons_break_push (NULL, NULL);
|
|
int midflags = r_config_get_i (core->config, "asm.flags.middle");
|
|
int midbb = r_config_get_i (core->config, "asm.bbmiddle");
|
|
int minopsz = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MIN_OP_SIZE);
|
|
int opalign = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_ALIGN);
|
|
int opinc = (minopsz < opalign)? opalign: minopsz;
|
|
bool asmmarks = r_config_get_i (core->config, "asm.marks");
|
|
r_config_set_b (core->config, "asm.marks", false);
|
|
i = 0;
|
|
j = 0;
|
|
RAnalMetaItem *meta = NULL;
|
|
toro:
|
|
if (!check_end (nb_opcodes, nb_bytes, addrbytes * i, j)) {
|
|
// fix infinite loop
|
|
j += opinc;
|
|
} else for (; check_end (nb_opcodes, nb_bytes, addrbytes * i, j); j++) {
|
|
RAsmOp asmop;
|
|
if (r_cons_is_breaked ()) {
|
|
err = 1;
|
|
break;
|
|
}
|
|
ut64 at = addr + i;
|
|
if (flags) {
|
|
if (fmt != 'e') { // pie
|
|
RFlagItem *item = r_flag_get_i (core->flags, at);
|
|
if (item) {
|
|
if (show_offset) {
|
|
r_print_offset (core->print, at, 0, 0, NULL);
|
|
}
|
|
r_cons_printf (" %s:\n", item->name);
|
|
}
|
|
} // do not show flags in pie
|
|
}
|
|
if (show_offset) {
|
|
r_print_offset (core->print, at, 0, 0, NULL);
|
|
}
|
|
ut64 meta_start = at;
|
|
ut64 meta_size = 0;
|
|
meta = r_meta_get_at (core->anal, meta_start, R_META_TYPE_ANY, &meta_size);
|
|
if (meta) {
|
|
switch (meta->type) {
|
|
case R_META_TYPE_DATA:
|
|
i += meta_size;
|
|
{
|
|
ut64 at = addr + i;
|
|
int hexlen = nb_bytes - i;
|
|
int delta = at - meta_start;
|
|
if (meta_size < hexlen) {
|
|
hexlen = meta_size;
|
|
}
|
|
core->print->flags &= ~R_PRINT_FLAGS_HEADER;
|
|
int size = R_MIN (meta_size, nb_bytes - i);
|
|
RDisasmState ds = {0};
|
|
ds.core = core;
|
|
ut8 *b = malloc (meta_size);
|
|
if (b) {
|
|
r_io_read_at (core->io, at, b, meta_size);
|
|
if (size > 0 && !ds_print_data_type (&ds, b, 0, meta_size)) {
|
|
r_cons_printf ("hex length=%d delta=%d\n", size, delta);
|
|
r_print_hexdump (core->print, at, buf + i, hexlen - delta, 16, 1, 1);
|
|
} else {
|
|
r_cons_newline ();
|
|
}
|
|
free (b);
|
|
}
|
|
ret = true;
|
|
}
|
|
continue;
|
|
case R_META_TYPE_STRING:
|
|
case R_META_TYPE_FORMAT:
|
|
case R_META_TYPE_MAGIC:
|
|
//r_cons_printf (".magic : %s\n", meta->str);
|
|
i += meta_size;
|
|
continue;
|
|
case R_META_TYPE_RUN:
|
|
/* TODO */
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
r_asm_set_pc (core->rasm, addr + i);
|
|
ret = r_asm_disassemble (core->rasm, &asmop, buf + addrbytes * i,
|
|
nb_bytes - addrbytes * i);
|
|
if (midflags || midbb) {
|
|
RDisasmState ds = {
|
|
.oplen = ret,
|
|
.at = addr + i,
|
|
.midflags = midflags
|
|
};
|
|
int skip_bytes_flag = 0, skip_bytes_bb = 0;
|
|
if (midflags) {
|
|
skip_bytes_flag = handleMidFlags (core, &ds, true);
|
|
}
|
|
if (midbb) {
|
|
skip_bytes_bb = handleMidBB (core, &ds);
|
|
}
|
|
if (skip_bytes_flag && midflags > R_MIDFLAGS_SHOW) {
|
|
asmop.size = ret = skip_bytes_flag;
|
|
}
|
|
if (skip_bytes_bb && skip_bytes_bb < ret) {
|
|
asmop.size = ret = skip_bytes_bb;
|
|
}
|
|
}
|
|
if (fmt == 'C') {
|
|
const char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, addr + i);
|
|
if (comment) {
|
|
r_cons_printf ("0x%08" PFMT64x " %s\n", addr + i, comment);
|
|
}
|
|
i += ret;
|
|
continue;
|
|
}
|
|
// r_cons_printf ("0x%08"PFMT64x" ", core->offset+i);
|
|
if (ret < 1) {
|
|
err = 1;
|
|
ret = asmop.size;
|
|
if (ret < 1) {
|
|
ret = 1;
|
|
}
|
|
if (show_bytes) {
|
|
r_cons_printf ("%18s%02x ", "", buf[i]);
|
|
}
|
|
r_cons_println ("invalid"); // ???");
|
|
} else {
|
|
if (show_bytes) {
|
|
char *op_hex = r_asm_op_get_hex (&asmop);
|
|
r_cons_printf ("%20s ", op_hex);
|
|
free (op_hex);
|
|
}
|
|
ret = asmop.size;
|
|
if (!asm_instr) {
|
|
r_cons_newline ();
|
|
} else if (!asm_immtrim && (decode || esil)) {
|
|
RAnalOp analop = {
|
|
0
|
|
};
|
|
char *tmpopstr, *opstr = NULL;
|
|
r_anal_op (core->anal, &analop, addr + i,
|
|
buf + addrbytes * i, nb_bytes - addrbytes * i, R_ANAL_OP_MASK_ALL);
|
|
tmpopstr = r_anal_op_to_string (core->anal, &analop);
|
|
if (fmt == 'e') { // pie
|
|
char *esil = (R_STRBUF_SAFEGET (&analop.esil));
|
|
r_cons_println (esil);
|
|
} else {
|
|
if (decode) {
|
|
opstr = tmpopstr? tmpopstr: r_asm_op_get_asm (&(asmop));
|
|
} else if (esil) {
|
|
opstr = (R_STRBUF_SAFEGET (&analop.esil));
|
|
}
|
|
if (asm_immtrim) {
|
|
char *res = r_parse_immtrim (opstr);
|
|
if (res) {
|
|
opstr = res;
|
|
}
|
|
}
|
|
r_cons_println (opstr);
|
|
}
|
|
free (tmpopstr);
|
|
r_anal_op_fini (&analop);
|
|
} else {
|
|
char opstr[128] = {
|
|
0
|
|
};
|
|
char *asm_str = r_asm_op_get_asm (&asmop);
|
|
if (asm_ucase) {
|
|
r_str_case (asm_str, 1);
|
|
}
|
|
if (asm_immtrim) {
|
|
char *res = r_parse_immtrim (asm_str);
|
|
if (res) {
|
|
asm_str = res;
|
|
}
|
|
}
|
|
if (subnames) {
|
|
const bool be = core->rasm->config->big_endian;
|
|
RAnalHint *hint = r_anal_hint_get (core->anal, at);
|
|
r_parse_filter (core->parser, at, core->flags, hint,
|
|
asm_str, opstr, sizeof (opstr) - 1, be);
|
|
r_anal_hint_free (hint);
|
|
asm_str = (char *)&opstr;
|
|
}
|
|
if (show_color) {
|
|
RAnalOp aop = {
|
|
0
|
|
};
|
|
RAnalFunction *f = r_anal_get_fcn_in (core->anal, addr + i, R_ANAL_FCN_TYPE_NULL);
|
|
r_anal_op (core->anal, &aop, addr + i,
|
|
buf + addrbytes * i, nb_bytes - addrbytes * i, R_ANAL_OP_MASK_BASIC);
|
|
asm_str = r_print_colorize_opcode (core->print, asm_str, color_reg, color_num, false, f ? f->addr : 0);
|
|
r_cons_printf ("%s%s"Color_RESET "\n",
|
|
r_print_color_op_type (core->print, aop.type),
|
|
asm_str);
|
|
free (asm_str);
|
|
r_anal_op_fini (&aop);
|
|
} else {
|
|
r_cons_println (asm_str);
|
|
}
|
|
}
|
|
}
|
|
i += ret;
|
|
r_asm_op_fini (&asmop);
|
|
}
|
|
if ((nb_opcodes > 0 && j < nb_opcodes) && (addr + i < addr_end)) {
|
|
addr += i;
|
|
r_io_read_at (core->io, addr, buf, nb_bytes);
|
|
i = 0;
|
|
goto toro;
|
|
}
|
|
if (mybuf) {
|
|
free (buf);
|
|
}
|
|
r_config_set_b (core->config, "asm.marks", asmmarks);
|
|
r_cons_break_pop ();
|
|
return err;
|
|
}
|
|
|
|
R_API int r_core_disasm_pdi(RCore *core, int nb_opcodes, int nb_bytes, int fmt) {
|
|
const ut64 ocore_offset = core->offset;
|
|
int ret = -1;
|
|
if (handle_backwards_disasm(core, &nb_opcodes, &nb_bytes)) {
|
|
ret = r_core_disasm_pdi_with_buf (core, core->offset, NULL, nb_opcodes, nb_bytes, fmt);
|
|
}
|
|
r_core_seek (core, ocore_offset, true);
|
|
return ret;
|
|
}
|
|
|
|
static bool read_ahead(RIO *io, ut8 **buf, size_t *buf_sz, ut64 address, size_t offset_into_buf, size_t bytes_to_read) {
|
|
if (offset_into_buf + bytes_to_read > *buf_sz) {
|
|
const size_t new_sz = *buf_sz * 2;
|
|
ut8 *tmp = realloc (*buf, new_sz);
|
|
if (!tmp) {
|
|
return false;
|
|
}
|
|
*buf_sz = new_sz;
|
|
*buf = tmp;
|
|
}
|
|
return r_io_read_at_mapped (io, address, *buf + offset_into_buf, bytes_to_read);
|
|
}
|
|
|
|
R_API int r_core_disasm_pde(RCore *core, int nb_opcodes, int mode) {
|
|
if (nb_opcodes < 1) {
|
|
return 0;
|
|
}
|
|
RReg *reg = core->anal->reg;
|
|
RRegItem *pc = r_reg_get (reg, "PC", R_REG_TYPE_ALL);
|
|
if (!pc) {
|
|
return -1;
|
|
}
|
|
PJ *pj = NULL;
|
|
if (mode == R_MODE_JSON) {
|
|
pj = r_core_pj_new (core);
|
|
if (!pj) {
|
|
return -1;
|
|
}
|
|
pj_a (pj);
|
|
}
|
|
if (!core->anal->esil) {
|
|
r_core_cmd0 (core, "aei");
|
|
if (!r_config_get_b (core->config, "cfg.debug")) {
|
|
r_core_cmd0 (core, "aeim");
|
|
}
|
|
}
|
|
RAnalEsil *esil = core->anal->esil;
|
|
RPVector ocache = core->io->cache;
|
|
RCache *ocacheb = core->io->buffer;
|
|
const int ocached = core->io->cached;
|
|
if (ocache.v.a) {
|
|
if (ocacheb && ocacheb->len) {
|
|
RCache *c = r_cache_new ();
|
|
r_cache_set (c, ocacheb->base, ocacheb->buf, ocacheb->len);
|
|
core->io->buffer = c;
|
|
}
|
|
RPVector *vec = (RPVector *)r_vector_clone ((RVector *)&ocache);
|
|
vec->v.free = NULL;
|
|
core->io->cache = *vec;
|
|
free (vec);
|
|
} else {
|
|
r_io_cache_init (core->io);
|
|
}
|
|
r_reg_arena_push (reg);
|
|
RConfigHold *chold = r_config_hold_new (core->config);
|
|
r_config_hold (chold, "io.cache", "asm.lines", NULL);
|
|
r_config_set_b (core->config, "io.cache", true);
|
|
r_config_set_b (core->config, "asm.lines", false);
|
|
const char *strip = r_config_get (core->config, "asm.strip");
|
|
const int max_op_size = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MAX_OP_SIZE);
|
|
int min_op_size = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MIN_OP_SIZE);
|
|
min_op_size = min_op_size > 0 ? min_op_size : 1;
|
|
const ut64 read_len = max_op_size > 0 ? max_op_size : 32;
|
|
size_t buf_sz = 0x100, block_sz = 0, block_instr = 0;
|
|
ut64 block_start = r_reg_get_value (reg, pc);
|
|
ut8 *buf = malloc (buf_sz);
|
|
size_t i;
|
|
for (i = 0; i < nb_opcodes; i++) {
|
|
const ut64 op_addr = r_reg_get_value (reg, pc);
|
|
if (!read_ahead (core->io, &buf, &buf_sz, op_addr, block_sz, read_len)) {
|
|
break;
|
|
}
|
|
RAnalOp op;
|
|
int ret = r_anal_op (core->anal, &op, op_addr, buf + block_sz, read_len, R_ANAL_OP_MASK_ESIL);
|
|
const bool invalid_instr = ret < 1 || op.size < 1 || op.type == R_ANAL_OP_TYPE_ILL;
|
|
bool end_of_block = false;
|
|
switch (op.type & R_ANAL_OP_TYPE_MASK & ~R_ANAL_OP_HINT_MASK) {
|
|
case R_ANAL_OP_TYPE_JMP:
|
|
case R_ANAL_OP_TYPE_UJMP:
|
|
case R_ANAL_OP_TYPE_CALL:
|
|
case R_ANAL_OP_TYPE_UCALL:
|
|
case R_ANAL_OP_TYPE_RET:
|
|
end_of_block = true;
|
|
break;
|
|
}
|
|
if (R_STR_ISNOTEMPTY (strip) && strstr (strip, r_anal_optype_to_string (op.type))) {
|
|
i--;
|
|
} else {
|
|
if (invalid_instr) {
|
|
block_sz += min_op_size;
|
|
} else {
|
|
block_sz += op.size;
|
|
}
|
|
if (invalid_instr || (i + 1 >= nb_opcodes)) {
|
|
end_of_block = true;
|
|
}
|
|
block_instr++;
|
|
}
|
|
if (end_of_block) {
|
|
if (op.delay) {
|
|
const ut64 ops_to_read = R_MIN (op.delay, nb_opcodes - (i + 1));
|
|
const ut64 bytes_to_read = ops_to_read * read_len;
|
|
if (!read_ahead (core->io, &buf, &buf_sz, op_addr + op.size, block_sz, bytes_to_read)) {
|
|
break;
|
|
}
|
|
block_instr += ops_to_read;
|
|
block_sz += bytes_to_read;
|
|
i += ops_to_read;
|
|
}
|
|
if (block_instr) {
|
|
switch (mode) {
|
|
case R_MODE_JSON:
|
|
r_core_print_disasm_json (core, block_start, buf, block_sz, block_instr, pj);
|
|
break;
|
|
case R_MODE_SIMPLE:
|
|
r_core_disasm_pdi_with_buf (core, block_start, buf, -1, block_sz, 0);
|
|
break;
|
|
case R_MODE_SIMPLEST:
|
|
r_core_print_disasm_instructions_with_buf (core, block_start, buf, block_sz, block_instr);
|
|
break;
|
|
default:
|
|
// ok
|
|
r_core_print_disasm (core, block_start, buf, block_sz, block_instr, 0, NULL, false, false, NULL, NULL);
|
|
break;
|
|
}
|
|
}
|
|
block_sz = 0;
|
|
block_instr = 0;
|
|
}
|
|
if (invalid_instr) {
|
|
break;
|
|
}
|
|
r_anal_esil_set_pc (core->anal->esil, op_addr);
|
|
r_reg_set_value (reg, pc, op_addr + op.size);
|
|
const char *e = r_strbuf_get (&op.esil);
|
|
if (R_STR_ISNOTEMPTY (e)) {
|
|
r_anal_esil_parse (esil, e);
|
|
}
|
|
r_anal_op_fini (&op);
|
|
|
|
if (end_of_block) {
|
|
block_start = r_reg_get_value (reg, pc);
|
|
r_core_seek_arch_bits (core, block_start);
|
|
}
|
|
}
|
|
if (mode == R_MODE_JSON) {
|
|
pj_end (pj);
|
|
r_cons_print (pj_string (pj));
|
|
pj_free (pj);
|
|
}
|
|
free (buf);
|
|
r_reg_arena_pop (reg);
|
|
int len = r_pvector_len (&ocache);
|
|
if (r_pvector_len (&core->io->cache) > len) {
|
|
// TODO: Implement push/pop for IO.cache
|
|
while (len > 0) {
|
|
(void)r_pvector_pop_front (&core->io->cache);
|
|
len--;
|
|
}
|
|
core->io->cache.v.free = ocache.v.free;
|
|
}
|
|
r_io_cache_fini (core->io);
|
|
core->io->cache = ocache;
|
|
r_skyline_clear (&core->io->cache_skyline);
|
|
void **it;
|
|
r_pvector_foreach (&ocache, it) {
|
|
RIOCache *c = (RIOCache *)*it;
|
|
r_skyline_add (&core->io->cache_skyline, c->itv, c);
|
|
}
|
|
core->io->buffer = ocacheb;
|
|
core->io->cached = ocached;
|
|
r_config_hold_restore (chold);
|
|
r_config_hold_free (chold);
|
|
return i;
|
|
}
|