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Fix #791 - https://github.com/radare/radare2/issues/791

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This commit is contained in:
pancake 2014-07-02 01:15:18 +02:00
parent c4d671c3cd
commit 3802b3a358
1 changed files with 12 additions and 3 deletions
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15
libr/core/cmd_debug.c
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@ -728,6 +728,13 @@ static int bypassbp(RCore *core) {
return R_TRUE;
}
static int validAddress(RCore *core, ut64 addr) {
ut8 buf[8];
int word = r_io_read_at (core->io, addr, buf, 8);
if (word != 8)
return 0;
return 1;
}
static void static_debug_stop(void *u) {
RDebug *dbg = (RDebug *)u;
@ -808,9 +815,11 @@ static void r_core_cmd_bp(RCore *core, const char *input) {
r_bp_del (core->dbg->bp, r_num_math (core->num, p+1));
} else {
addr = r_num_math (core->num, input+2);
if (hwbp) bp = r_bp_add_hw (core->dbg->bp, addr, 1, R_BP_PROT_EXEC);
else bp = r_bp_add_sw (core->dbg->bp, addr, 1, R_BP_PROT_EXEC);
if (!bp) eprintf ("Cannot set breakpoint (%s)\n", input+2);
if (validAddress (core, addr)) {
if (hwbp) bp = r_bp_add_hw (core->dbg->bp, addr, 1, R_BP_PROT_EXEC);
else bp = r_bp_add_sw (core->dbg->bp, addr, 1, R_BP_PROT_EXEC);
if (!bp) eprintf ("Cannot set breakpoint (%s)\n", input+2);
} else eprintf ("Can't place a breakpoint here. No mapped memory\n");
}
break;
case '?':