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Tracing function calls

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This commit is contained in:
Pierre Pronchery 2011-09-06 22:00:15 +00:00
parent 40805047c4
commit 1ed2fb51a1
1 changed files with 17 additions and 6 deletions
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23
src/arch/i386.h
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@ -368,12 +368,23 @@ static int _decode_operand(ArchPlugin * plugin, ArchInstructionCall * call,
static int _decode_postproc(ArchPlugin * plugin, ArchInstructionCall * call,
unsigned int opcode)
{
ArchPluginHelper * helper = plugin->helper;
ArchOperand * ao;
AsmFunction * af;
switch(opcode)
{
case 0xe8: /* call */
ao = &call->operands[0];
ao->value.immediate.value += call->base + 5;
af = helper->get_function_by_id(helper->arch,
ao->value.immediate.value);
if(af != NULL)
ao->value.immediate.name = af->name;
break;
case 0xe9: /* jump */
call->operands[0].value.immediate.value += call->base
+ 5;
ao = &call->operands[0];
ao->value.immediate.value += call->base + 5;
break;
case 0x0f80: /* jo */
case 0x0f81: /* jno */
@ -391,12 +402,12 @@ static int _decode_postproc(ArchPlugin * plugin, ArchInstructionCall * call,
case 0x0f8d: /* jnl, jge */
case 0x0f8e: /* jle, jng */
case 0x0f8f: /* jg, jnle */
call->operands[0].value.immediate.value += call->base
+ 6;
ao = &call->operands[0];
ao->value.immediate.value += call->base + 6;
break;
case 0xeb: /* jump */
call->operands[0].value.immediate.value += call->base
+ 2;
ao = &call->operands[0];
ao->value.immediate.value += call->base + 2;
break;
}
return 0;