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798 lines
20 KiB
C
798 lines
20 KiB
C
/* radare - LGPL - Copyright 2009-2018 - pancake */
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#include "r_types.h"
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#include "r_config.h"
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#include "r_cons.h"
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#include "r_core.h"
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#include "r_debug.h"
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#include "r_io.h"
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static const char *help_msg_s[] = {
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"Usage: s", "", " # Help for the seek commands. See ?$? to see all variables",
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"s", "", "Print current address",
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"s:", "pad", "Print current address with N padded zeros (defaults to 8)",
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"s", " addr", "Seek to address",
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"s-", "", "Undo seek",
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"s-*", "", "Reset undo seek history",
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"s-", " n", "Seek n bytes backward",
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"s--", "[n]", "Seek blocksize bytes backward (/=n)",
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"s+", "", "Redo seek",
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"s+", " n", "Seek n bytes forward",
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"s++", "[n]", "Seek blocksize bytes forward (/=n)",
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"s[j*=!]", "", "List undo seek history (JSON, =list, *r2, !=names, s==)",
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"s/", " DATA", "Search for next occurrence of 'DATA'",
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"s/x", " 9091", "Search for next occurrence of \\x90\\x91",
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"s.", "hexoff", "Seek honoring a base from core->offset",
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"sa", " [[+-]a] [asz]", "Seek asz (or bsize) aligned to addr",
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"sb", "", "Seek aligned to bb start",
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"sC", "[?] string", "Seek to comment matching given string",
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"sf", "", "Seek to next function (f->addr+f->size)",
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"sf", " function", "Seek to address of specified function",
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"sf.", "", "Seek to the beginning of current function",
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"sg/sG", "", "Seek begin (sg) or end (sG) of section or file",
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"sl", "[?] [+-]line", "Seek to line",
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"sn/sp", " ([nkey])", "Seek to next/prev location, as specified by scr.nkey",
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"so", " [N]", "Seek to N next opcode(s)",
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"sr", " pc", "Seek to register",
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"ss", "", "Seek silently (without adding an entry to the seek history)",
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// "sp [page] seek page N (page = block)",
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NULL
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};
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static const char *help_msg_sC[] = {
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"Usage:", "sC", "Comment grep",
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"sC", "*", "List all comments",
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"sC", " str", "Seek to the first comment matching 'str'",
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NULL
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};
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static const char *help_msg_sl[] = {
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"Usage:", "sl+ or sl- or slc", "",
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"sl", " [line]", "Seek to absolute line",
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"sl", "[+-][line]", "Seek to relative line",
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"slc", "", "Clear line cache",
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"sll", "", "Show total number of lines",
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NULL
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};
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static const char *help_msg_ss[] = {
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"Usage: ss", "", " # Seek silently (not recorded in the seek history)",
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"s?", "", "Works with all s subcommands",
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NULL
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};
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static void cmd_seek_init(RCore *core) {
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DEFINE_CMD_DESCRIPTOR (core, s);
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DEFINE_CMD_DESCRIPTOR (core, sC);
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DEFINE_CMD_DESCRIPTOR (core, sl);
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DEFINE_CMD_DESCRIPTOR (core, ss);
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}
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static void __init_seek_line(RCore *core) {
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ut64 from, to;
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r_config_bump (core->config, "lines.to");
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from = r_config_get_i (core->config, "lines.from");
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to = r_config_get_i (core->config, "lines.to");
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if (r_core_lines_initcache (core, from, to) == -1) {
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eprintf ("ERROR: \"lines.from\" and \"lines.to\" must be set\n");
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}
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}
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static void printPadded(RCore *core, int pad) {
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if (pad < 1) {
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pad = 8;
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}
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char *fmt = r_str_newf ("0x%%0%d" PFMT64x, pad);
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char *off = r_str_newf (fmt, core->offset);
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r_cons_printf ("%s\n", off);
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free (off);
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free (fmt);
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}
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static void __get_current_line(RCore *core) {
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if (core->print->lines_cache_sz > 0) {
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int curr = r_util_lines_getline (core->print->lines_cache, core->print->lines_cache_sz, core->offset);
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r_cons_printf ("%d\n", curr);
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}
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}
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static void __seek_line_absolute(RCore *core, int numline) {
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if (numline < 1 || numline > core->print->lines_cache_sz - 1) {
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eprintf ("ERROR: Line must be between 1 and %d\n", core->print->lines_cache_sz - 1);
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} else {
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r_core_seek (core, core->print->lines_cache[numline - 1], 1);
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}
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}
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static void __seek_line_relative(RCore *core, int numlines) {
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int curr = r_util_lines_getline (core->print->lines_cache, core->print->lines_cache_sz, core->offset);
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if (numlines > 0 && curr + numlines >= core->print->lines_cache_sz - 1) {
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eprintf ("ERROR: Line must be < %d\n", core->print->lines_cache_sz - 1);
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} else if (numlines < 0 && curr + numlines < 1) {
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eprintf ("ERROR: Line must be > 1\n");
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} else {
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r_core_seek (core, core->print->lines_cache[curr + numlines - 1], 1);
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}
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}
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static void __clean_lines_cache(RCore *core) {
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core->print->lines_cache_sz = -1;
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R_FREE (core->print->lines_cache);
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}
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R_API int r_core_lines_currline(RCore *core) { // make priv8 again
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int imin = 0;
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int imax = core->print->lines_cache_sz;
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int imid = 0;
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while (imin <= imax) {
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imid = imin + ((imax - imin) / 2);
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if (core->print->lines_cache[imid] == core->offset) {
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return imid;
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} else if (core->print->lines_cache[imid] < core->offset) {
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imin = imid + 1;
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} else {
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imax = imid - 1;
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}
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}
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return imin;
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}
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R_API int r_core_lines_initcache(RCore *core, ut64 start_addr, ut64 end_addr) {
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int i, line_count;
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int bsz = core->blocksize;
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char *buf;
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ut64 off = start_addr;
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ut64 baddr;
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if (start_addr == UT64_MAX || end_addr == UT64_MAX) {
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return -1;
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}
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free (core->print->lines_cache);
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core->print->lines_cache = R_NEWS0 (ut64, bsz);
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if (!core->print->lines_cache) {
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return -1;
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}
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baddr = r_config_get_i (core->config, "bin.baddr");
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line_count = start_addr? 0: 1;
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core->print->lines_cache[0] = start_addr? 0: baddr;
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buf = malloc (bsz);
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if (!buf) {
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return -1;
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}
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r_cons_break_push (NULL, NULL);
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while (off < end_addr) {
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if (r_cons_is_breaked ()) {
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break;
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}
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r_io_read_at (core->io, off, (ut8 *) buf, bsz);
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for (i = 0; i < bsz; i++) {
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if (buf[i] == '\n') {
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core->print->lines_cache[line_count] = start_addr? off + i + 1: off + i + 1 + baddr;
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line_count++;
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if (line_count % bsz == 0) {
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ut64 *tmp = realloc (core->print->lines_cache,
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(line_count + bsz) * sizeof (ut64));
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if (tmp) {
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core->print->lines_cache = tmp;
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} else {
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R_FREE (core->print->lines_cache);
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goto beach;
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}
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}
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}
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}
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off += bsz;
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}
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free (buf);
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r_cons_break_pop ();
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return line_count;
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beach:
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free (buf);
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r_cons_break_pop ();
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return -1;
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}
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static void seek_to_register(RCore *core, const char *input, bool is_silent) {
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ut64 off;
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if (core->io->debug) {
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off = r_debug_reg_get (core->dbg, input);
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if (!is_silent) {
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r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
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}
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r_core_seek (core, off, 1);
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} else {
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RReg *orig = core->dbg->reg;
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core->dbg->reg = core->anal->reg;
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off = r_debug_reg_get (core->dbg, input);
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core->dbg->reg = orig;
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if (!is_silent) {
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r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
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}
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r_core_seek (core, off, 1);
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}
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}
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static int cmd_seek_opcode_backward(RCore *core, int numinstr) {
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int i, val = 0;
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// N previous instructions
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ut64 addr = core->offset;
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int ret = 0;
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if (r_core_prevop_addr (core, core->offset, numinstr, &addr)) {
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ret = core->offset - addr;
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} else {
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#if 0
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// core_asm_bwdis_len is buggy as hell we should kill it. seems like prevop_addr
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// works as expected, because is the one used from visual
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ret = r_core_asm_bwdis_len (core, &instr_len, &addr, numinstr);
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#endif
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addr = core->offset;
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const int mininstrsize = r_anal_archinfo (core->anal, R_ANAL_ARCHINFO_MIN_OP_SIZE);
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for (i = 0; i < numinstr; i++) {
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ut64 prev_addr = r_core_prevop_addr_force (core, addr, 1);
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if (prev_addr == UT64_MAX) {
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prev_addr = addr - mininstrsize;
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}
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if (prev_addr == UT64_MAX || prev_addr >= core->offset) {
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break;
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}
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RAsmOp op = {0};
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r_core_seek (core, prev_addr, 1);
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r_asm_disassemble (core->assembler, &op, core->block, 32);
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if (op.size < mininstrsize) {
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op.size = mininstrsize;
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}
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val += op.size;
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addr = prev_addr;
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}
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}
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r_core_seek (core, addr, true);
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val += ret;
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return val;
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}
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static int cmd_seek_opcode_forward (RCore *core, int n) {
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// N forward instructions
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int i, ret, val = 0;
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for (val = i = 0; i < n; i++) {
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RAnalOp op;
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ret = r_anal_op (core->anal, &op, core->offset, core->block,
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core->blocksize, R_ANAL_OP_MASK_BASIC);
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if (ret < 1) {
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ret = 1;
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}
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r_core_seek_delta (core, ret);
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r_anal_op_fini (&op);
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val += ret;
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}
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return val;
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}
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static void cmd_seek_opcode(RCore *core, const char *input) {
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if (input[0] == '?') {
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eprintf ("Usage: so [-][n]\n");
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return;
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}
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if (!strcmp (input, "-")) {
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input = "-1";
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}
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int n = r_num_math (core->num, input);
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if (n == 0) {
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n = 1;
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}
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int val = (n < 0)
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? cmd_seek_opcode_backward (core, -n)
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: cmd_seek_opcode_forward (core, n);
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core->num->value = val;
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}
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static int cmd_seek(void *data, const char *input) {
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RCore *core = (RCore *) data;
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char *cmd, *p;
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ut64 off = core->offset;
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if (!*input) {
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r_cons_printf ("0x%"PFMT64x "\n", core->offset);
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return 0;
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}
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char *ptr;
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if ((ptr = strstr (input, "+.")) != NULL) {
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char *dup = strdup (input);
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dup[ptr - input] = '\x00';
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off = r_num_math (core->num, dup + 1);
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core->offset = off;
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free (dup);
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}
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const char *inputnum = strchr (input, ' ');
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{
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const char *u_num = inputnum? inputnum + 1: input + 1;
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off = r_num_math (core->num, u_num);
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if (*u_num == '-') {
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off = -(st64)off;
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}
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}
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#if 1
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// int sign = 1;
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if (input[0] == ' ') {
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switch (input[1]) {
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case '-':
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// sign = -1;
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/* pass thru */
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case '+':
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input++;
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break;
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}
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}
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#endif
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bool silent = false;
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if (*input == 's') {
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silent = true;
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input++;
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if (*input == '?') {
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r_core_cmd_help (core, help_msg_ss);
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return 0;
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}
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}
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switch (*input) {
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case 'r': // "sr"
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if (input[1] && input[2]) {
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seek_to_register (core, input + 2, silent);
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} else {
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eprintf ("|Usage| 'sr PC' seek to program counter register\n");
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}
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break;
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case 'C': // "sC"
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if (input[1] == '*') { // "sC*"
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r_core_cmd0 (core, "C*~^\"CC");
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} else if (input[1] == ' ') {
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typedef struct {
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ut64 addr;
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char *str;
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} MetaCallback;
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int count = 0;
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MetaCallback cb = {
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0, NULL
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};
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ut64 addr;
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char key[128];
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const char *val, *comma;
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char *list = sdb_get (core->anal->sdb_meta, "meta.C", 0);
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char *str, *next, *cur = list;
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if (list) {
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for (;;) {
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cur = sdb_anext (cur, &next);
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addr = sdb_atoi (cur);
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snprintf (key, sizeof (key) - 1, "meta.C.0x%"PFMT64x, addr);
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val = sdb_const_get (core->anal->sdb_meta, key, 0);
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if (val) {
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comma = strchr (val, ',');
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if (comma) {
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str = (char *) sdb_decode (comma + 1, 0);
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if (strstr (str, input + 2)) {
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r_cons_printf ("0x%08"PFMT64x " %s\n", addr, str);
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count++;
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cb.addr = addr;
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free (cb.str);
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cb.str = str;
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} else {
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free (str);
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}
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}
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} else {
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eprintf ("sdb_const_get key not found '%s'\n", key);
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}
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if (!next) {
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break;
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}
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cur = next;
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}
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}
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switch (count) {
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case 0:
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eprintf ("No matching comments\n");
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break;
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case 1:
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off = cb.addr;
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if (!silent) {
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r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
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}
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r_core_seek (core, off, 1);
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r_core_block_read (core);
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break;
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default:
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eprintf ("Too many results\n");
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break;
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}
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free (cb.str);
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} else {
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r_core_cmd_help (core, help_msg_sC);
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}
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break;
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case ' ': // "s "
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{
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ut64 addr = r_num_math (core->num, input + 1);
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if (core->num->nc.errors) {
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if (r_cons_singleton ()->is_interactive) {
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eprintf ("Cannot seek to unknown address '%s'\n", core->num->nc.calc_buf);
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}
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break;
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}
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if (!silent) {
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r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
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}
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r_core_seek (core, addr, 1);
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r_core_block_read (core);
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}
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break;
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case '/': // "s/"
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{
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const char *pfx = r_config_get (core->config, "search.prefix");
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const ut64 saved_from = r_config_get_i (core->config, "search.from");
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const ut64 saved_maxhits = r_config_get_i (core->config, "search.maxhits");
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// kwidx cfg var is ignored
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int kwidx = core->search->n_kws; // (int)r_config_get_i (core->config, "search.kwidx")-1;
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if (kwidx < 0) {
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kwidx = 0;
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}
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switch (input[1]) {
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case ' ':
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case 'v':
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case 'V':
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case 'w':
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case 'W':
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case 'z':
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case 'm':
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case 'c':
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case 'A':
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case 'e':
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case 'E':
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case 'i':
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case 'R':
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case 'r':
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case '/':
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case 'x':
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r_config_set_i (core->config, "search.from", core->offset + 1);
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r_config_set_i (core->config, "search.maxhits", 1);
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r_core_cmdf (core, "s+1; %s; s-1; s %s%d_0; f-%s%d_0",
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input, pfx, kwidx, pfx, kwidx, pfx, kwidx);
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r_config_set_i (core->config, "search.from", saved_from);
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r_config_set_i (core->config, "search.maxhits", saved_maxhits);
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break;
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case '?':
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eprintf ("Usage: s/.. arg.\n");
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r_cons_printf ("/?\n");
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break;
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default:
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eprintf ("unknown search method\n");
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break;
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}
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}
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break;
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case '.': // "s." "s.."
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for (input++; *input == '.'; input++) {
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;
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}
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r_core_seek_base (core, input);
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r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
|
|
break;
|
|
case 'j': // "sj"
|
|
{
|
|
RList /*<ut64 *>*/ *addrs = r_list_newf (free);
|
|
RList /*<char *>*/ *names = r_list_newf (free);
|
|
RList *list = r_io_sundo_list (core->io, '!');
|
|
ut64 lsz = 0;
|
|
ut64 i;
|
|
RListIter *iter;
|
|
RIOUndos *undo;
|
|
if (list) {
|
|
r_list_foreach (list, iter, undo) {
|
|
char *name = NULL;
|
|
|
|
RFlagItem *f = r_flag_get_at (core->flags, undo->off, true);
|
|
if (f) {
|
|
if (f->offset != undo->off) {
|
|
name = r_str_newf ("%s+%d", f->name,
|
|
(int)(undo->off- f->offset));
|
|
} else {
|
|
name = strdup (f->name);
|
|
}
|
|
}
|
|
if (!name) {
|
|
name = strdup ("");
|
|
}
|
|
ut64 *val = malloc (sizeof (ut64));
|
|
if (!val) {
|
|
free (name);
|
|
break;
|
|
}
|
|
*val = undo->off;
|
|
r_list_append (addrs, val);
|
|
r_list_append (names, strdup (name));
|
|
lsz++;
|
|
free (name);
|
|
}
|
|
r_list_free (list);
|
|
}
|
|
r_cons_printf ("[");
|
|
for (i = 0; i < lsz; ++i) {
|
|
ut64 *addr = r_list_get_n (addrs, i);
|
|
const char *name = r_list_get_n (names, i);
|
|
// XXX(should the "name" field be optional? That might make
|
|
// a bit more sense.
|
|
r_cons_printf ("{\"offset\":%"PFMT64d",\"symbol\":\"%s\"}", *addr, name);
|
|
if (i != lsz - 1) {
|
|
r_cons_printf (",");
|
|
}
|
|
}
|
|
r_cons_printf ("]\n");
|
|
r_list_free (addrs);
|
|
r_list_free (names);
|
|
}
|
|
break;
|
|
case '*': // "s*"
|
|
case '=': // "s="
|
|
case '!': // "s!"
|
|
{
|
|
char mode = input[0];
|
|
if (input[1] == '=') {
|
|
mode = 0;
|
|
}
|
|
RList *list = r_io_sundo_list (core->io, mode);
|
|
if (list) {
|
|
RListIter *iter;
|
|
RIOUndos *undo;
|
|
r_list_foreach (list, iter, undo) {
|
|
char *name = NULL;
|
|
|
|
RFlagItem *f = r_flag_get_at (core->flags, undo->off, true);
|
|
if (f) {
|
|
if (f->offset != undo->off) {
|
|
name = r_str_newf ("%s + %d\n", f->name,
|
|
(int)(undo->off - f->offset));
|
|
} else {
|
|
name = strdup (f->name);
|
|
}
|
|
}
|
|
if (mode) {
|
|
r_cons_printf ("0x%"PFMT64x" %s\n", undo->off, name? name: "");
|
|
} else {
|
|
if (!name) {
|
|
name = r_str_newf ("0x%"PFMT64x, undo->off);
|
|
}
|
|
r_cons_printf ("%s%s", name, iter->n? " > ":"");
|
|
}
|
|
free (name);
|
|
}
|
|
r_list_free (list);
|
|
if (!mode) {
|
|
r_cons_newline ();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case '+': // "s+"
|
|
if (input[1] != '\0') {
|
|
int delta = off;
|
|
if (input[1] == '+') {
|
|
delta = core->blocksize;
|
|
int mult = r_num_math (core->num, input + 2);
|
|
if (mult > 0) {
|
|
delta /= mult;
|
|
}
|
|
}
|
|
// int delta = (input[1] == '+')? core->blocksize: off;
|
|
if (!silent) {
|
|
r_io_sundo_push (core->io, core->offset,
|
|
r_print_get_cursor (core->print));
|
|
}
|
|
r_core_seek_delta (core, delta);
|
|
r_core_block_read (core);
|
|
} else {
|
|
RIOUndos *undo = r_io_sundo_redo (core->io);
|
|
if (undo) {
|
|
r_core_seek (core, undo->off, 0);
|
|
r_core_block_read (core);
|
|
}
|
|
}
|
|
break;
|
|
case '-': // "s-"
|
|
switch (input[1]) {
|
|
case '*': // "s-*"
|
|
r_io_sundo_reset (core->io);
|
|
break;
|
|
case 0: // "s-"
|
|
{
|
|
RIOUndos *undo = r_io_sundo (core->io, core->offset);
|
|
if (undo) {
|
|
r_core_seek (core, undo->off, 0);
|
|
r_core_block_read (core);
|
|
}
|
|
}
|
|
break;
|
|
case '-': // "s--"
|
|
default:
|
|
{
|
|
int delta = -off;
|
|
if (input[1] == '-') {
|
|
delta = -core->blocksize;
|
|
int mult = r_num_math (core->num, input + 2);
|
|
if (mult > 0) {
|
|
delta /= mult;
|
|
}
|
|
}
|
|
if (!silent) {
|
|
r_io_sundo_push (core->io, core->offset,
|
|
r_print_get_cursor (core->print));
|
|
}
|
|
r_core_seek_delta (core, delta);
|
|
r_core_block_read (core);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case 'n': // "sn"
|
|
{
|
|
if (!silent) {
|
|
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
|
|
}
|
|
const char *nkey = (input[1] == ' ')
|
|
? input + 2
|
|
: r_config_get (core->config, "scr.nkey");
|
|
r_core_seek_next (core, nkey);
|
|
}
|
|
break;
|
|
case 'p': // "sp"
|
|
{
|
|
if (!silent) {
|
|
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
|
|
}
|
|
const char *nkey = (input[1] == ' ')
|
|
? input + 2
|
|
: r_config_get (core->config, "scr.nkey");
|
|
r_core_seek_previous (core, nkey);
|
|
}
|
|
break;
|
|
case 'a': // "sa"
|
|
off = core->blocksize;
|
|
if (input[1] && input[2]) {
|
|
cmd = strdup (input);
|
|
p = strchr (cmd + 2, ' ');
|
|
if (p) {
|
|
off = r_num_math (core->num, p + 1);;
|
|
*p = '\0';
|
|
}
|
|
cmd[0] = 's';
|
|
// perform real seek if provided
|
|
r_cmd_call (core->rcmd, cmd);
|
|
free (cmd);
|
|
}
|
|
if (!silent) {
|
|
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
|
|
}
|
|
r_core_seek_align (core, off, 0);
|
|
break;
|
|
case 'b': // "sb"
|
|
if (off == 0) {
|
|
off = core->offset;
|
|
}
|
|
if (!silent) {
|
|
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
|
|
}
|
|
r_core_anal_bb_seek (core, off);
|
|
break;
|
|
case 'f': { // "sf"
|
|
RAnalFunction *fcn;
|
|
switch (input[1]) {
|
|
case '\0': // "sf"
|
|
fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
|
|
if (fcn) {
|
|
r_core_seek (core, fcn->addr + r_anal_fcn_size (fcn), 1);
|
|
}
|
|
break;
|
|
case ' ': // "sf "
|
|
fcn = r_anal_fcn_find_name (core->anal, input + 2);
|
|
if (fcn) {
|
|
r_core_seek (core, fcn->addr, 1);
|
|
}
|
|
break;
|
|
case '.': // "sf."
|
|
fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
|
|
if (fcn) {
|
|
r_core_seek (core, fcn->addr, 1);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case 'o': // "so"
|
|
cmd_seek_opcode (core, input + 1);
|
|
break;
|
|
case 'g': // "sg"
|
|
{
|
|
RIOMap *map = r_io_map_get (core->io, core->offset);
|
|
if (map) {
|
|
r_core_seek (core, map->itv.addr, 1);
|
|
} else {
|
|
r_core_seek (core, 0, 1);
|
|
}
|
|
}
|
|
break;
|
|
case 'G': // "sG"
|
|
{
|
|
if (!core->file) {
|
|
break;
|
|
}
|
|
RIOMap *map = r_io_map_get (core->io, core->offset);
|
|
// XXX: this +2 is a hack. must fix gap between sections
|
|
if (map) {
|
|
r_core_seek (core, map->itv.addr + map->itv.size + 2, 1);
|
|
} else {
|
|
r_core_seek (core, r_io_fd_size (core->io, core->file->fd), 1);
|
|
}
|
|
}
|
|
break;
|
|
case 'l': // "sl"
|
|
{
|
|
int sl_arg = r_num_math (core->num, input + 1);
|
|
switch (input[1]) {
|
|
case '\0': // "sl"
|
|
if (!core->print->lines_cache) {
|
|
__init_seek_line (core);
|
|
}
|
|
__get_current_line (core);
|
|
break;
|
|
case ' ': // "sl "
|
|
if (!core->print->lines_cache) {
|
|
__init_seek_line (core);
|
|
}
|
|
__seek_line_absolute (core, sl_arg);
|
|
break;
|
|
case '+': // "sl+"
|
|
case '-': // "sl-"
|
|
if (!core->print->lines_cache) {
|
|
__init_seek_line (core);
|
|
}
|
|
__seek_line_relative (core, sl_arg);
|
|
break;
|
|
case 'c': // "slc"
|
|
__clean_lines_cache (core);
|
|
break;
|
|
case 'l': // "sll"
|
|
if (!core->print->lines_cache) {
|
|
__init_seek_line (core);
|
|
}
|
|
eprintf ("%d lines\n", core->print->lines_cache_sz - 1);
|
|
break;
|
|
case '?': // "sl?"
|
|
r_core_cmd_help (core, help_msg_sl);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
case ':': // "s:"
|
|
printPadded (core, atoi (input + 1));
|
|
break;
|
|
case '?': // "s?"
|
|
r_core_cmd_help (core, help_msg_s);
|
|
break;
|
|
default:
|
|
{
|
|
ut64 n = r_num_math (core->num, input);
|
|
if (n) {
|
|
if (!silent) {
|
|
r_io_sundo_push (core->io, core->offset, r_print_get_cursor (core->print));
|
|
}
|
|
r_core_seek (core, n, 1);
|
|
r_core_block_read (core);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|