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Generate the operand for the "push1" instructions

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This commit is contained in:
Pierre Pronchery 2018-09-10 02:41:46 +02:00
parent 1cfdcf6a62
commit b697eae779
1 changed files with 70 additions and 0 deletions
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70
src/arch/eth.c
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@ -122,6 +122,13 @@ static int _eth_decode(EthArchPlugin * plugin,
/* eth_encode */
static int _encode_immediate(AsmArchPlugin * plugin,
AsmArchOperand const * operand);
static int _encode_immediate8(AsmArchPlugin * plugin, uint8_t value);
static int _encode_immediate16(AsmArchPlugin * plugin, uint16_t value);
static int _encode_immediate24(AsmArchPlugin * plugin, uint32_t value);
static int _encode_immediate32(AsmArchPlugin * plugin, uint32_t value);
static int _eth_encode(EthArchPlugin * plugin,
AsmArchPrefix const * prefix,
AsmArchInstruction const * instruction,
@ -138,5 +145,68 @@ static int _eth_encode(EthArchPlugin * plugin,
if(helper->write(helper->arch, &opcode, sizeof(opcode))
!= sizeof(opcode))
return -1;
if(call->operands_cnt >= 1)
if(_encode_immediate(plugin, &call->operands[0]) != 0)
return -1;
return 0;
}
static int _encode_immediate(AsmArchPlugin * plugin,
AsmArchOperand const * operand)
{
uint64_t value = operand->value.immediate.value;
switch(AO_GET_SIZE(operand->definition) >> 3)
{
case 0:
return 0;
case sizeof(uint8_t):
return _encode_immediate8(plugin, value);
case sizeof(uint16_t):
return _encode_immediate16(plugin, value);
case 3:
return _encode_immediate24(plugin, value);
case sizeof(uint32_t):
return _encode_immediate32(plugin, value);
}
return -error_set_code(1, "%s", "Invalid size for immediate value");
}
static int _encode_immediate8(AsmArchPlugin * plugin, uint8_t value)
{
AsmArchPluginHelper * helper = plugin->helper;
if(helper->write(helper->arch, &value, sizeof(value)) != sizeof(value))
return -1;
return 0;
}
static int _encode_immediate16(AsmArchPlugin * plugin, uint16_t value)
{
AsmArchPluginHelper * helper = plugin->helper;
value = _htob16(value);
if(helper->write(helper->arch, &value, sizeof(value)) != sizeof(value))
return -1;
return 0;
}
static int _encode_immediate24(AsmArchPlugin * plugin, uint32_t value)
{
AsmArchPluginHelper * helper = plugin->helper;
value = _htob32(value) >> 8;
if(helper->write(helper->arch, &value, 3) != 3)
return -1;
return 0;
}
static int _encode_immediate32(AsmArchPlugin * plugin, uint32_t value)
{
AsmArchPluginHelper * helper = plugin->helper;
value = _htob32(value);
if(helper->write(helper->arch, &value, sizeof(value)) != sizeof(value))
return -1;
return 0;
}