radare2/libr/core/disasm.c

7226 lines
199 KiB
C

/* radare - LGPL - Copyright 2009-2022 - nibble, pancake, dso, lazula */
#include "r_core.h"
#define HASRETRY 1
#define HAVE_LOCALS 1
#define DEFAULT_NARGS 4
#define FLAG_PREFIX ";-- "
#define COLOR(ds, field) ((ds)->show_color? (ds)->field: "")
#define COLOR_ARG(ds, field) ((ds)->show_color && (ds)->show_color_args? (ds)->field: "")
#define COLOR_CONST(ds, color) ((ds)->show_color? Color_##color: "")
#define COLOR_RESET(ds) COLOR_CONST (ds, RESET)
#define ds_offset(ds) ((ds)->index * (ds)->addrbytes)
#define ds_bufat(ds) ((ds)->buf + ds_offset (ds))
#define ds_left(ds) ((ds)->len - ds_offset (ds))
#define DEBUG_DISASM 0
// ugly globals but meh
static R_TH_LOCAL ut64 emustack_min = 0LL;
static R_TH_LOCAL ut64 emustack_max = 0LL;
static const char* r_vline_a[] = {
"|", // LINE_VERT
"|-", // LINE_CROSS
"-", // LINE_HORIZ
":", // LINE_UP
",", // LUP_CORNER
"\\", // RDWN_CORNER
"/", // RUP_CORNER
"`", // LDWN_CORNER
"->", // ARROW_RIGHT
"=<", // ARROW_LEFT
};
static const char* r_vline_u[] = {
"", // LINE_VERT
"", // LINE_CROSS
"", // LINE_HORIZ
"", // LINE_UP
// "↑", // LINE_UP
//"┌", // LUP_CORNER
"", // LUP_CORNER
"", // RDWN_CORNER
"", // RUP_CORNER
"", // LDWN_CORNER
">", // ARROW_RIGHT
"<", // ARROW_LEFT
};
static const char* r_vline_uc[] = {
"", // LINE_VERT
"", // LINE_CROSS
"", // LINE_HORIZ
// "↑", // LINE_UP
"", // LINE_UP
// "≀", // LINE_UP
//"┌", // LUP_CORNER
"", // LUP_CORNER
"", // RDWN_CORNER
"", // RUP_CORNER
"", // LDWN_CORNER
">", // ARROW_RIGHT
"<", // ARROW_LEFT
};
#define DS_PRE_NONE 0
#define DS_PRE_EMPTY 1
#define DS_PRE_FCN_HEAD 2
#define DS_PRE_FCN_MIDDLE 3
#define DS_PRE_FCN_TAIL 4
// TODO: what about using bit shifting and enum for keys? see libr/util/bitmap.c
// the problem of this is that the fields will be more opaque to bindings, but we will earn some bits
typedef struct {
RCore *core;
char str[1024], strsub[1024];
bool immtrim;
bool immstr;
bool use_esil;
bool show_color;
bool show_color_bytes;
bool show_color_args;
int colorop;
int acase;
bool capitalize;
bool show_flgoff;
bool hasMidflag;
bool hasMidbb;
int atabs;
bool atabsonce;
int atabsoff;
int decode;
bool pseudo;
bool subnames;
bool interactive;
bool subjmp;
bool subvar;
bool show_lines;
bool show_lines_bb;
bool show_lines_ret;
bool show_lines_call;
bool show_lines_fcn;
bool linesright;
int tracespace;
int cyclespace;
int cmtfold;
int show_indent;
bool show_dwarf;
bool show_size;
bool show_trace;
bool show_family;
bool asm_describe;
int linesout;
int adistrick;
bool asm_meta;
bool asm_xrefs_code;
int asm_demangle;
bool asm_instr;
bool show_offset;
bool show_offdec; // dupe for r_print->flags
bool show_bbline;
bool show_emu;
bool pre_emu;
bool show_emu_str;
bool show_emu_stroff;
bool show_emu_strinv;
bool show_emu_strflag;
bool show_emu_stack;
bool show_emu_write;
bool show_optype;
bool show_emu_strlea;
bool show_emu_ssa;
bool show_section;
int show_section_col;
bool flags_inline;
bool show_section_perm;
bool show_section_name;
bool show_symbols;
int show_symbols_col;
bool show_offseg;
bool show_flags;
bool bblined;
bool show_bytes;
bool show_bytes_right;
bool show_bytes_opcolor;
bool show_reloff;
bool show_reloff_flags;
bool show_comments;
bool show_usercomments;
bool asm_hints;
bool asm_hint_jmp;
bool asm_hint_cdiv;
bool asm_hint_call;
bool asm_hint_call_indirect;
bool asm_hint_lea;
bool asm_hint_imm;
bool asm_hint_emu;
int asm_hint_pos;
ut64 emuptr;
bool show_slow;
Sdb *ssa;
int cmtcol;
bool show_calls;
bool show_cmtflgrefs;
bool show_cmtesil;
bool show_cycles;
bool show_refptr;
bool show_stackptr;
int stackFd;
bool show_xrefs;
bool show_cmtrefs;
const char *show_cmtoff;
bool show_functions;
bool show_marks;
bool show_asciidot;
RStrEnc strenc;
int cursor;
int show_comment_right_default;
RSpace *flagspace_ports;
bool show_flag_in_bytes;
int lbytes;
int show_comment_right;
int pre;
char *ocomment;
int linesopts;
int lastfail;
int ocols;
int lcols;
int nb, nbytes;
int show_utf8;
int lines;
int oplen;
int vliw_count;
bool show_varaccess;
bool show_vars;
bool show_fcnsig;
bool hinted_line;
int show_varsum;
int midflags;
bool midbb;
bool midcursor;
bool show_noisy_comments;
ut64 asm_highlight;
const char *pal_comment;
const char *color_comment;
const char *color_usrcmt;
const char *color_fname;
const char *color_floc;
const char *color_fline;
const char *color_flow;
const char *color_flow2;
const char *color_flag;
const char *color_label;
const char *color_offset;
const char *color_other;
const char *color_nop;
const char *color_bin;
const char *color_math;
const char *color_btext;
const char *color_jmp;
const char *color_cjmp;
const char *color_call;
const char *color_cmp;
const char *color_swi;
const char *color_trap;
const char *color_ret;
const char *color_push;
const char *color_pop;
const char *color_reg;
const char *color_num;
const char *color_mov;
const char *color_invalid;
const char *color_gui_cflow;
const char *color_gui_dataoffset;
const char *color_gui_background;
const char *color_gui_alt_background;
const char *color_gui_border;
const char *color_linehl;
const char *color_func_var;
const char *color_func_var_type;
const char *color_func_var_addr;
RFlagItem *lastflag;
RAnalHint *hint;
RPrint *print;
ut64 esil_old_pc;
ut8* esil_regstate;
int esil_regstate_size;
bool esil_likely;
int count;
int middle;
int indent_level;
int indent_space;
char *line;
char *line_col, *prev_line_col;
char *refline, *refline2;
char *comment;
char *opstr;
char *osl, *sl;
int stackptr, ostackptr;
int index, addrbytes;
ut64 at, vat, addr, dest;
int tries;
bool count_bytes;
char chref;
RAsmOp asmop;
RAnalOp analop;
RAnalFunction *fcn;
RAnalFunction *pdf;
const ut8 *buf;
int len;
int maxrefs;
int foldxrefs;
char *prev_ins;
bool prev_ins_eq;
int prev_ins_count;
bool show_nodup;
bool has_description;
// caches
char *_tabsbuf;
int _tabsoff;
bool dwarfFile;
bool dwarfAbspath;
bool showpayloads;
bool showrelocs;
int cmtcount;
bool asm_anal;
ut64 printed_str_addr;
ut64 printed_flag_addr;
ut64 min_ref_addr;
PJ *pj; // not null if printing json
int buf_line_begin;
const char *strip;
int maxflags;
int asm_types;
} RDisasmState;
static void ds_setup_print_pre(RDisasmState *ds, bool tail, bool middle);
static void ds_setup_pre(RDisasmState *ds, bool tail, bool middle);
static void ds_print_pre(RDisasmState *ds, bool fcnline);
static void ds_pre_line(RDisasmState *ds);
static void ds_begin_line(RDisasmState *ds);
static void ds_newline(RDisasmState *ds);
static void ds_begin_cont(RDisasmState *ds);
static void ds_print_esil_anal(RDisasmState *ds);
static void ds_reflines_init(RDisasmState *ds);
static void ds_align_comment(RDisasmState *ds);
static RDisasmState * ds_init(RCore *core);
static void ds_build_op_str(RDisasmState *ds, bool print_color);
static void ds_print_show_bytes(RDisasmState *ds);
static void ds_pre_xrefs(RDisasmState *ds, bool no_fcnlines);
static void ds_show_xrefs(RDisasmState *ds);
static void ds_atabs_option(RDisasmState *ds);
static void ds_show_functions(RDisasmState *ds);
static void ds_control_flow_comments(RDisasmState *ds);
static void ds_adistrick_comments(RDisasmState *ds);
// TODO: if those two functions do the same should be unified
static void ds_print_comments_right(RDisasmState *ds);
static void ds_show_comments_right(RDisasmState *ds);
static void ds_show_flags(RDisasmState *ds, bool overlapped);
static void ds_update_ref_lines(RDisasmState *ds);
static int ds_disassemble(RDisasmState *ds, ut8 *buf, int len);
static void ds_print_lines_right(RDisasmState *ds);
static void ds_print_lines_left(RDisasmState *ds);
static void ds_print_cycles(RDisasmState *ds);
static void ds_print_family(RDisasmState *ds);
static void ds_print_stackptr(RDisasmState *ds);
static void ds_print_offset(RDisasmState *ds);
static void ds_print_op_size(RDisasmState *ds);
static void ds_print_trace(RDisasmState *ds);
static void ds_print_opstr(RDisasmState *ds);
static void ds_print_color_reset(RDisasmState *ds);
static int ds_print_middle(RDisasmState *ds, int ret);
static bool ds_print_labels(RDisasmState *ds, RAnalFunction *f);
static void ds_print_sysregs(RDisasmState *ds);
static void ds_print_fcn_name(RDisasmState *ds);
static void ds_print_as_string(RDisasmState *ds);
static bool ds_print_core_vmode(RDisasmState *ds, int pos);
static void ds_print_dwarf(RDisasmState *ds);
static void ds_print_asmop_payload(RDisasmState *ds, const ut8 *buf);
static char *ds_esc_str(RDisasmState *ds, const char *str, int len, const char **prefix_out, bool is_comment);
static void ds_print_ptr(RDisasmState *ds, int len, int idx);
static void ds_print_demangled(RDisasmState *ds);
static void ds_print_str(RDisasmState *ds, const char *str, int len, ut64 refaddr);
static char *ds_sub_jumps(RDisasmState *ds, char *str);
static void ds_start_line_highlight(RDisasmState *ds);
static void ds_end_line_highlight(RDisasmState *ds);
static bool line_highlighted(RDisasmState *ds);
static int ds_print_shortcut(RDisasmState *ds, ut64 addr, int pos);
R_API ut64 r_core_pava(RCore *core, ut64 addr) {
if (core->print->pava) {
RIOMap *map = r_io_map_get_paddr (core->io, addr);
if (map) {
return addr - map->delta + r_io_map_begin (map);
}
}
return addr;
}
static RAnalFunction *fcnIn(RDisasmState *ds, ut64 at, int type) {
if (ds->fcn && r_anal_function_contains (ds->fcn, at)) {
return ds->fcn;
}
return r_anal_get_fcn_in (ds->core->anal, at, type);
}
static const char *get_utf8_char(const char line, RDisasmState *ds) {
switch (line) {
case '<': return ds->core->cons->vline[ARROW_LEFT];
case '>': return ds->core->cons->vline[ARROW_RIGHT];
case ':': return ds->core->cons->vline[LINE_UP];
case '|': return ds->core->cons->vline[LINE_VERT];
case '=':
case '-': return ds->core->cons->vline[LINE_HORIZ];
case ',': return ds->core->cons->vline[CORNER_TL];
case '.': return ds->core->cons->vline[CORNER_TR];
case '`': return ds->core->cons->vline[CORNER_BL];
default: return " ";
}
}
static void ds_print_ref_lines(char *line, char *line_col, RDisasmState *ds) {
int i;
int len = strlen (line);
if (ds->core->cons->use_utf8 || ds->linesopts & R_ANAL_REFLINE_TYPE_UTF8) {
if (ds->show_color) {
for (i = 0; i < len; i++) {
if (line[i] == ' ') {
r_cons_printf (" ");
continue;
}
const char *flow_tint = (line_col[i] == 'd')? COLOR (ds, color_flow): COLOR (ds, color_flow2);
r_cons_printf ("%s%s%s", flow_tint, get_utf8_char (line[i], ds), COLOR_RESET (ds));
}
} else {
len = strlen (line);
for (i = 0; i < len; i++) {
r_cons_printf ("%s", get_utf8_char (line[i], ds));
}
}
} else {
if (ds->show_color) {
for (i = 0; i < len; i++) {
if (line[i] == ' ') {
r_cons_printf (" ");
continue;
}
const char *flow_tint = (line_col[i] == 'd')? COLOR (ds, color_flow): COLOR (ds, color_flow2);
r_cons_printf ("%s%c%s", flow_tint, line[i], COLOR_RESET (ds));
}
} else {
r_cons_printf ("%s", line);
}
}
}
static void get_bits_comment(RCore *core, RAnalFunction *f, char *cmt, int cmt_size) {
if (core && f && cmt && cmt_size > 0 && f->bits && f->bits != core->rasm->config->bits) {
const char *asm_arch = r_config_get (core->config, "asm.arch");
if (asm_arch && *asm_arch && strstr (asm_arch, "arm")) {
switch (f->bits) {
case 16: strcpy (cmt, " (thumb)"); break;
case 32: strcpy (cmt, " (arm)"); break;
case 64: strcpy (cmt, " (aarch64)"); break;
}
} else {
snprintf (cmt, cmt_size, " (%d bits)", f->bits);
}
} else {
if (cmt) {
cmt[0] = 0;
}
}
}
R_API const char *r_core_get_section_name(RCore *core, ut64 addr) {
static R_TH_LOCAL char section[128] = "";
static R_TH_LOCAL ut64 oaddr = UT64_MAX;
if (oaddr == addr) {
return section;
}
if (r_config_get_b (core->config, "cfg.debug")) {
char *rv = r_core_cmd_strf (core, "dmi.@0x%08"PFMT64x, addr);
if (rv) {
r_str_replace_char (rv, '\n', ' ');
r_str_ncpy (section, rv, sizeof (section) - 1);
return section;
}
return NULL;
}
RBinObject *bo = r_bin_cur_object (core->bin);
RBinSection *s = bo? r_bin_get_section_at (bo, addr, core->io->va): NULL;
if (s && s->name && *s->name) {
snprintf (section, sizeof (section) - 1, "%10s ", s->name);
} else {
RListIter *iter;
RDebugMap *map;
*section = 0;
r_list_foreach (core->dbg->maps, iter, map) {
if (addr >= map->addr && addr < map->addr_end) {
const char *mn = r_str_lchr (map->name, '/');
r_str_ncpy (section, mn? mn + 1: map->name, sizeof (section));
break;
}
}
}
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 = (ah && *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"); // maybe rename to asm.color.bytes
ds->show_color_args = r_config_get_i (core->config, "scr.color.args");
ds->colorop = r_config_get_i (core->config, "scr.color.ops"); // XXX confusing name // asm.color.inst (mnemonic + operands) ?
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.decoff");
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_i (core->config, "asm.segoff");
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.reloff");
ds->show_reloff_flags = r_config_get_i (core->config, "asm.reloff.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) {
// TODO: destroy fake stack in here
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 (" ");
}
}
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_set_bits (ds->core->rasm->config, size * 8);
slen = ds_print_shortcut(ds, get_ptr (ds, ds->at), pos);
r_arch_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 (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;
if (!ds->core->bin->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) {
RPrint *p = core->print;
RAnalFunction *of = NULL;
RAnalFunction *f = NULL;
bool calc_row_offsets = p->calc_row_offsets;
int skip_bytes_flag = 0, skip_bytes_bb = 0;
ut8 *nbuf = NULL;
const int max_op_size = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MAX_OP_SIZE);
/* pdu vars */
bool pdu_condition_met = false;
char *opstr_nocolor = NULL;
int opcode_len = -1;
//const char *pdu_condition_esil = NULL;
const char *pdu_condition_instruction = NULL;
const char *pdu_condition_opcode = NULL;
// TODO: All those ds must be print flags
RDisasmState *ds = ds_init (core);
ds->count_bytes = count_bytes;
ds->print = p;
ds->count = count? count: core->blocksize;
ds->buf = buf;
ds->len = len;
ds->addr = addr;
ds->hint = NULL;
ds->buf_line_begin = 0;
ds->pdf = pdf;
if (pdu_condition) {
ds->count_bytes = false;
ds->count = INT_MAX;
/*if (pdu_condition_type == esil) {
pdu_condition_esil = (const char *)pdu_condition;
} else*/
if (pdu_condition_type == instruction) {
pdu_condition_instruction = (const char *)pdu_condition;
} else if (pdu_condition_type == opcode) {
pdu_condition_opcode = (const char *)pdu_condition;
opcode_len = strlen (pdu_condition_opcode);
}
}
if (json) {
ds->pj = pj? pj: r_core_pj_new (core);
if (!ds->pj) {
ds_free (ds);
return 0;
}
r_cons_push ();
} else {
ds->pj = NULL;
}
// disable row_offsets to prevent other commands to overwrite computed info
p->calc_row_offsets = false;
//r_cons_printf ("len=%d count=%d limit=%d\n", len, count, p->limit);
// TODO: import values from debugger is possible
// TODO: allow to get those register snapshots from traces
// TODO: per-function register state trace
// XXX - is there a better way to reset a the analysis counter so that
// when code is disassembled, it can actually find the correct offsets
{ /* used by asm.emu */
r_reg_arena_push (core->anal->reg);
}
ds_reflines_init (ds);
/* reset jmp table if not asked to keep it */
if (!core->keep_asmqjmps) { // hack
core->asmqjmps_count = 0;
ut64 *p = realloc (core->asmqjmps, R_CORE_ASMQJMPS_NUM * sizeof (ut64));
if (p) {
core->asmqjmps_size = R_CORE_ASMQJMPS_NUM;
core->asmqjmps = p;
int i;
for (i = 0; i < R_CORE_ASMQJMPS_NUM; i++) {
core->asmqjmps[i] = UT64_MAX;
}
}
}
if (ds->pj && !pj) {
pj_a (ds->pj);
}
toro:
// uhm... is this necessary? imho can be removed
r_asm_set_pc (core->rasm, r_core_pava (core, ds->addr));
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;
if (core->print->cur_enabled) {
// TODO: support in-the-middle-of-instruction too
r_anal_op_fini (&ds->analop);
if (r_anal_op (core->anal, &ds->analop, core->offset + core->print->cur,
buf + core->print->cur, (int)(len - core->print->cur), R_ANAL_OP_MASK_ALL)) {
// TODO: check for ds->analop.type and ret
ds->dest = ds->analop.jump;
}
} else {
/* highlight eip */
const char *pc = core->anal->reg->name[R_REG_NAME_PC];
if (pc) {
RFlagItem *item = r_flag_get (core->flags, pc);
if (item) {
ds->dest = item->offset;
}
}
}
ds_print_esil_anal_init (ds);
r_cons_break_push (NULL, NULL);
int inc = 0;
int ret = 0;
for (ds->index = 0; ds_left (ds) > 0 && ds->lines < ds->count
&& (pdu_condition? !pdu_condition_met: true);
ds->index += inc, count_bytes? ds->lines += inc: ds->lines++) {
ds->at = ds->addr + ds->index;
ds->vat = r_core_pava (core, ds->at);
if (r_cons_is_breaked () || r_cons_was_breaked ()) {
R_FREE (nbuf);
if (ds->pj) {
r_cons_pop ();
}
r_cons_break_pop ();
ds_free (ds);
return 0; //break;
}
if (core->print->flags & R_PRINT_FLAGS_UNALLOC) {
if (!core->anal->iob.is_valid_offset (core->anal->iob.io, ds->at, 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);
r_cons_printf (" unmapped\n");
inc = 1;
continue;
}
}
if (!ds->show_comment_right) {
if (ds->show_cmtesil) {
const char *esil = R_STRBUF_SAFEGET (&ds->analop.esil);
// ds_begin_line (ds);
ds_pre_line (ds);
ds_setup_print_pre (ds, false, false);
r_cons_strcat (" ");
ds_print_lines_left (ds);
ds_begin_comment (ds);
if (ds->show_color) {
ds_comment (ds, true, "; %s%s%s",
ds->pal_comment, esil, Color_RESET);
} else {
ds_comment (ds, true, "; %s", esil);
}
}
}
r_core_seek_arch_bits (core, ds->at); // slow but safe
ds->has_description = false;
ds->hint = r_core_hint_begin (core, ds->hint, ds->at);
ds->printed_str_addr = UT64_MAX;
ds->printed_flag_addr = UT64_MAX;
// XXX. this must be done in ds_update_pc()
// ds_update_pc (ds, ds->at);
r_asm_set_pc (core->rasm, ds->at);
ds_update_ref_lines (ds);
r_anal_op_fini (&ds->analop);
r_anal_op (core->anal, &ds->analop, ds->at, ds_bufat (ds), ds_left (ds), R_ANAL_OP_MASK_ALL);
if (ds_must_strip (ds)) {
inc = ds->analop.size;
// inc = ds->asmop.payload + (ds->asmop.payload % ds->core->rasm->dataalign);
r_anal_op_fini (&ds->analop);
continue;
}
// f = r_anal_get_fcn_in (core->anal, ds->at, R_ANAL_FCN_TYPE_NULL);
f = ds->fcn = fcnIn (ds, ds->at, R_ANAL_FCN_TYPE_NULL);
if (f && f->folded && r_anal_function_contains (f, ds->at)) {
int delta = (ds->at <= f->addr)? (ds->at - r_anal_function_max_addr (f)): 0;
if (of != f) {
char cmt[32];
get_bits_comment (core, f, cmt, sizeof (cmt));
const char *comment = r_meta_get_string (core->anal, R_META_TYPE_COMMENT, ds->at);
if (comment) {
ds_pre_xrefs (ds, true);
r_cons_printf ("; %s\n", comment);
}
r_cons_printf ("%s%s%s (fcn) %s%s%s\n",
COLOR (ds, color_fline), core->cons->vline[CORNER_TL],
COLOR (ds, color_fname), f->name, cmt, COLOR_RESET (ds));
ds_setup_print_pre (ds, true, false);
ds_print_lines_left (ds);
ds_print_offset (ds);
r_cons_printf ("(%" PFMT64d " byte folded function)\n", r_anal_function_linear_size (f));
//r_cons_printf ("%s%s%s\n", COLOR (ds, color_fline), core->cons->vline[RDWN_CORNER], COLOR_RESET (ds));
if (delta < 0) {
delta = -delta;
}
ds->addr += delta + ds->index;
r_io_read_at (core->io, ds->addr, buf, len);
inc = 0; //delta;
ds->index = 0;
of = f;
r_anal_op_fini (&ds->analop);
if (count_bytes) {
break;
}
} else {
ds->lines--;
ds->addr++;
r_io_read_at (core->io, ds->addr, buf, len);
inc = 0; //delta;
ds->index = 0;
r_anal_op_fini (&ds->analop);
}
continue;
}
ds_show_comments_right (ds);
// TRY adding here
r_strf_var (link_key, 32, "link.%08" PFMT64x, ds->addr + ds->index);
const char *link_type = sdb_const_get (core->anal->sdb_types, link_key, 0);
if (link_type) {
char *fmt = r_type_format (core->anal->sdb_types, link_type);
if (fmt) {
r_cons_printf ("(%s)\n", link_type);
r_core_cmdf (core, "pf %s @ 0x%08" PFMT64x, fmt, ds->addr + ds->index);
const ut32 type_bitsize = r_type_get_bitsize (core->anal->sdb_types, link_type);
// always round up when calculating byte_size from bit_size of types
// could be struct with a bitfield entry
inc = (type_bitsize >> 3) + (!!(type_bitsize & 0x7));
free (fmt);
r_anal_op_fini (&ds->analop);
continue;
}
} else {
int left = ds_left (ds);
#if DEBUG_DISASM
eprintf ("BEFORE ds_disassemble:\n");
eprintf ("ds->index=%#x len=%#x left=%#x\n", ds->index, len, left);
eprintf ("ds->addr=%#" PFMT64x " ds->at=%#" PFMT64x " ds->count=%#x ds->lines=%#x\n", ds->addr, ds->at, ds->count, ds->lines);
#endif
if (left < max_op_size && !count_bytes) {
#if DEBUG_DISASM
eprintf ("Not enough bytes to disassemble, going to retry.\n");
#endif
goto retry;
}
ret = ds_disassemble (ds, (ut8 *)ds_bufat (ds), left);
#if DEBUG_DISASM
eprintf ("AFTER ds_disassemble:\n");
eprintf ("ret=%d len=%#x left=%#x ", ret, len, left);
eprintf ("ds->addr=%#" PFMT64x " ds->at=%#" PFMT64x " ds->count=%#x ds->lines=%#x\n", ds->addr, ds->at, ds->count, ds->lines);
#endif
if (ret == -31337) {
inc = ds->oplen; // minopsz maybe? or we should add invopsz
r_anal_op_fini (&ds->analop);
continue;
}
}
ds_atabs_option (ds);
if (ds->analop.addr != ds->at) {
r_anal_op_fini (&ds->analop);
r_anal_op (core->anal, &ds->analop, ds->at, ds_bufat (ds), ds_left (ds), R_ANAL_OP_MASK_ALL);
}
if (ret < 1) {
r_strbuf_fini (&ds->analop.esil);
r_strbuf_init (&ds->analop.esil);
ds->analop.type = R_ANAL_OP_TYPE_ILL;
}
if (ds->hint) {
if (ds->hint->size) {
ds->analop.size = ds->hint->size;
}
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_ASM_SYNTAX_INTEL) {
RAsmOp ao; /* disassemble for the vm .. */
int os = core->rasm->config->syntax;
r_asm_set_syntax (core->rasm, R_ASM_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_ASM_SYNTAX_INTEL) {
RAsmOp ao; /* disassemble for the vm .. */
int os = core->rasm->config->syntax;
r_asm_set_syntax (core->rasm, R_ASM_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);
}
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;
}
}
core->offset = old_offset;
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 old_offset = 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;
}
if (!buf) {
r_core_seek (core, address, true);
buf = core->block;
}
r_cons_break_push (NULL, NULL);
r_core_seek (core, address, false);
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 = core->offset + 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 = core->offset + 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, core->offset + i);
ret = r_asm_disassemble (core->rasm, &asmop, buf + addrbytes * i,
nb_bytes - addrbytes * i);
if (midflags || midbb) {
RDisasmState ds = {
.oplen = ret,
.at = core->offset + 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, core->offset + i);
if (comment) {
r_cons_printf ("0x%08" PFMT64x " %s\n", core->offset + 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, core->offset + 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, core->offset + i, R_ANAL_FCN_TYPE_NULL);
r_anal_op (core->anal, &aop, core->offset + 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 (buf == core->block && nb_opcodes > 0 && j < nb_opcodes) {
r_core_seek (core, core->offset + i, true);
i = 0;
goto toro;
}
r_config_set_b (core->config, "asm.marks", asmmarks);
r_cons_break_pop ();
r_core_seek (core, old_offset, true);
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;
}