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CDetour safetyhook (#2162)

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* Add safetyhook, remove libudis86

Co-authored-by: bottiger1 <[email protected]>

* Add modified CDetour

Co-authored-by: bottiger1 <[email protected]>

* Add CDetour [Safetyhook] to build script

* Re-enable loader/core/corelogic, and fix new C++20 error

* Reenable all extensions (except dhooks)

* Make cstrike compile against new CDetour

* Remove unused variable in sdktools output?

* Make sdktools compile against new cdetour

* Downgrade to C++17

* remove auto

* fix compilation on linux

* Re-enable dhooks

* Re-authorise old compilers

* Fix invalid downgrade of std::optional

* readd libudis86 for dhooks only

---------

Co-authored-by: Kenzzer <[email protected]>
Co-authored-by: bottiger1 <[email protected]>
This commit is contained in:
Benoist
2024-05-21 01:53:44 +00:00
committed by GitHub
co-authored by bottiger1 Kenzzer
parent e3734803f0
commit e07c120cab
30 changed files with 71530 additions and 341 deletions
Download Patch File Download Diff File Expand all files Collapse all files
public/CDetour/detours.cpp
+78 -256
View File
@@ -1,92 +1,9 @@
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2010 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id: detours.cpp 248 2008-08-27 00:56:22Z pred $
*/
#include "detours.h"
#include <asm/asm.h>
#include <cstdio>
ISourcePawnEngine *CDetourManager::spengine = NULL;
IGameConfig *CDetourManager::gameconf = NULL;
// Push 64-bit value onto the stack using two instructions.
//
// Pushing 0xF00DF00DF00DF00D:
// push 0xF00DF00D
// mov [rsp+4], 0xF00DF00D
static inline void X64_Push_Imm64(JitWriter *jit, jit_int64_t val)
{
jit->write_ubyte(IA32_PUSH_IMM32);
jit->write_int32(jit_int32_t(val));
if ((val >> 32) != 0)
IA32_Mov_ESP_Disp8_Imm32(jit, 4, (val >> 32));
}
// Jump to absolute 64-bit address using multiple instructions.
//
// Jumping to address 0xF00DF00DF00DF00D:
// push 0xF00DF00D
// mov [rsp+4], 0xF00DF00D
// ret
static inline void X64_Jump_Abs(JitWriter *jit, void *dest)
{
X64_Push_Imm64(jit, jit_int64_t(dest));
IA32_Return(jit);
}
static inline void RelativeJump32(JitWriter *jit, void *target)
{
jitoffs_t call = IA32_Jump_Imm32(jit, 0);
IA32_Write_Jump32_Abs(jit, call, target);
}
#if defined(_WIN64) || defined(__x86_64__)
static inline bool IsShortJump(JitWriter *jit, void *target)
{
int64_t diff = int64_t(target) - (int64_t(jit->outbase) + jit->get_outputpos() + OP_JMP_SIZE);
int32_t upperBits = (diff >> 32);
return upperBits == 0 || upperBits == -1;
}
#endif
static inline void AbsJump(JitWriter *jit, void *target)
{
#if defined(_WIN64) || defined(__x86_64__)
if (IsShortJump(jit, target))
RelativeJump32(jit, target);
else
X64_Jump_Abs(jit, target);
#else
RelativeJump32(jit, target);
#endif
}
void CDetourManager::Init(ISourcePawnEngine *spengine, IGameConfig *gameconf)
{
CDetourManager::spengine = spengine;
@@ -95,196 +12,101 @@ void CDetourManager::Init(ISourcePawnEngine *spengine, IGameConfig *gameconf)
CDetour *CDetourManager::CreateDetour(void *callbackfunction, void **trampoline, const char *signame)
{
CDetour *detour = new CDetour(callbackfunction, trampoline, signame);
if (detour)
void* pAddress;
if (!gameconf->GetMemSig(signame, &pAddress))
{
if (!detour->Init(spengine, gameconf))
g_pSM->LogError(myself, "Signature for %s not found in gamedata", signame);
return NULL;
}
if (!pAddress)
{
g_pSM->LogError(myself, "Sigscan for %s failed", signame);
return NULL;
}
return CreateDetour(callbackfunction, trampoline, pAddress);
}
CDetour *CDetourManager::CreateDetour(void *callbackFunction, void **trampoline, void *pAddress)
{
CDetour* detour = new CDetour(callbackFunction, trampoline, pAddress);
auto result = safetyhook::InlineHook::create(pAddress, callbackFunction, safetyhook::InlineHook::Flags::StartDisabled);
if(result)
{
detour->m_hook = std::move(result.value());
*trampoline = detour->m_hook.original<void*>();
}
else
{
auto err = result.error();
switch(err.type)
{
delete detour;
return NULL;
case safetyhook::InlineHook::Error::BAD_ALLOCATION:
if(err.allocator_error == safetyhook::Allocator::Error::BAD_VIRTUAL_ALLOC)
{
g_pSM->LogError(myself, "BAD_VIRTUAL_ALLOC hook %p", pAddress);
}
else if(err.allocator_error == safetyhook::Allocator::Error::NO_MEMORY_IN_RANGE)
{
g_pSM->LogError(myself, "NO_MEMORY_IN_RANGE hook %p", pAddress);
}
else
{
g_pSM->LogError(myself, "BAD_ALLOCATION hook %p errnum %i", pAddress, err.allocator_error);
}
break;
case safetyhook::InlineHook::Error::FAILED_TO_DECODE_INSTRUCTION:
g_pSM->LogError(myself, "FAILED_TO_DECODE_INSTRUCTION hook %p ip %p", pAddress, err.ip);
break;
case safetyhook::InlineHook::Error::SHORT_JUMP_IN_TRAMPOLINE:
g_pSM->LogError(myself, "SHORT_JUMP_IN_TRAMPOLINE hook %p ip %p", pAddress, err.ip);
break;
case safetyhook::InlineHook::Error::IP_RELATIVE_INSTRUCTION_OUT_OF_RANGE:
g_pSM->LogError(myself, "IP_RELATIVE_INSTRUCTION_OUT_OF_RANGE hook %p ip %p", pAddress, err.ip);
break;
case safetyhook::InlineHook::Error::UNSUPPORTED_INSTRUCTION_IN_TRAMPOLINE:
g_pSM->LogError(myself, "UNSUPPORTED_INSTRUCTION_IN_TRAMPOLINE hook %p ip %p", pAddress, err.ip);
break;
case safetyhook::InlineHook::Error::FAILED_TO_UNPROTECT:
g_pSM->LogError(myself, "FAILED_TO_UNPROTECT hook %p ip %p", pAddress, err.ip);
break;
case safetyhook::InlineHook::Error::NOT_ENOUGH_SPACE:
g_pSM->LogError(myself, "NOT_ENOUGH_SPACE hook %p ip %p", pAddress, err.ip);
break;
default:
g_pSM->LogError(myself, "Unknown error %i hook %p ip %p", err.type, pAddress, err.ip);
break;
}
return detour;
delete detour;
return NULL;
}
return NULL;
return detour;
}
CDetour *CDetourManager::CreateDetour(void *callbackfunction, void **trampoline, void *pAddress)
CDetour::CDetour(void* callbackFunction, void **trampoline, void *pAddress)
{
CDetour *detour = new CDetour(callbackfunction, trampoline, pAddress);
if (detour)
{
if (!detour->Init(spengine, gameconf))
{
delete detour;
return NULL;
}
return detour;
}
return NULL;
}
CDetour::CDetour(void *callbackfunction, void **trampoline, const char *signame)
{
enabled = false;
detoured = false;
detour_address = NULL;
detour_trampoline = NULL;
this->signame = signame;
this->detour_callback = callbackfunction;
spengine = NULL;
gameconf = NULL;
this->trampoline = trampoline;
}
CDetour::CDetour(void*callbackfunction, void **trampoline, void *pAddress)
{
enabled = false;
detoured = false;
detour_address = pAddress;
detour_trampoline = NULL;
this->signame = NULL;
this->detour_callback = callbackfunction;
spengine = NULL;
gameconf = NULL;
this->trampoline = trampoline;
}
bool CDetour::Init(ISourcePawnEngine *spengine, IGameConfig *gameconf)
{
this->spengine = spengine;
this->gameconf = gameconf;
if (!CreateDetour())
{
enabled = false;
return enabled;
}
enabled = true;
return enabled;
}
void CDetour::Destroy()
{
DeleteDetour();
delete this;
}
bool CDetour::IsEnabled()
{
return enabled;
}
bool CDetour::CreateDetour()
{
if (signame)
{
if (!gameconf->GetMemSig(signame, &detour_address))
{
g_pSM->LogError(myself, "Signature for %s not found in gamedata", signame);
return false;
}
if (!detour_address)
{
g_pSM->LogError(myself, "Sigscan for %s failed", signame);
return false;
}
}
else if (!detour_address)
{
g_pSM->LogError(myself, "Invalid function address passed for detour");
return false;
}
#if defined(_WIN64) || defined(__x86_64__)
int shortBytes = copy_bytes((unsigned char *)detour_address, NULL, OP_JMP_SIZE);
detour_restore.bytes = copy_bytes((unsigned char *)detour_address, NULL, X64_ABS_SIZE);
#else
detour_restore.bytes = copy_bytes((unsigned char *)detour_address, NULL, OP_JMP_SIZE);
#endif
JitWriter wr;
JitWriter *jit = &wr;
jit_uint32_t CodeSize = 0;
wr.outbase = NULL;
wr.outptr = NULL;
jit_rewind:
/* Patch old bytes in */
if (wr.outbase != NULL)
{
#if defined(_WIN64) || defined(__x86_64__)
wr.outptr += shortBytes;
bool isShort = IsShortJump(jit, detour_address);
wr.outptr -= shortBytes;
if (isShort)
detour_restore.bytes = shortBytes;
#endif
/* Save restore bits */
memcpy(detour_restore.patch, detour_address, detour_restore.bytes);
copy_bytes((unsigned char *)detour_address, (unsigned char*)wr.outptr, detour_restore.bytes);
}
wr.outptr += detour_restore.bytes;
/* Return to the original function */
AbsJump(jit, (unsigned char *)detour_address + detour_restore.bytes);
if (wr.outbase == NULL)
{
CodeSize = wr.get_outputpos();
wr.outbase = (jitcode_t)spengine->AllocatePageMemory(CodeSize);
spengine->SetReadWrite(wr.outbase);
wr.outptr = wr.outbase;
detour_trampoline = wr.outbase;
goto jit_rewind;
}
spengine->SetReadExecute(wr.outbase);
*trampoline = detour_trampoline;
return true;
}
void CDetour::DeleteDetour()
{
if (detoured)
{
DisableDetour();
}
if (detour_trampoline)
{
/* Free the allocated trampoline memory */
spengine->FreePageMemory(detour_trampoline);
detour_trampoline = NULL;
}
return m_hook.enabled();
}
void CDetour::EnableDetour()
{
if (!detoured)
{
DoGatePatch((unsigned char *)detour_address, detour_callback);
detoured = true;
}
m_hook.enable();
}
void CDetour::DisableDetour()
{
if (detoured)
{
/* Remove the patch */
ApplyPatch(detour_address, 0, &detour_restore, NULL);
detoured = false;
}
m_hook.disable();
}
void CDetour::Destroy()
{
delete this;
}
public/CDetour/detours.h
+6 -40
View File
@@ -32,18 +32,8 @@
#ifndef _INCLUDE_SOURCEMOD_DETOURS_H_
#define _INCLUDE_SOURCEMOD_DETOURS_H_
#include "extension.h"
#include <jit/jit_helpers.h>
#include <jit/x86/x86_macros.h>
#include "detourhelpers.h"
/**
* CDetours class for SourceMod Extensions by pRED*
* detourhelpers.h entirely stolen from CSS:DM and were written by BAILOPAN (I assume).
* asm.h/c from devmaster.net (thanks cybermind) edited by pRED* to handle gcc -fPIC thunks correctly
* Concept by Nephyrin Zey (http://www.doublezen.net/) and Windows Detour Library (http://research.microsoft.com/sn/detours/)
* Member function pointer ideas by Don Clugston (http://www.codeproject.com/cpp/FastDelegate.asp)
*/
#include "../safetyhook/safetyhook.hpp"
#include <smsdk_ext.h>
#define DETOUR_MEMBER_CALL(name) (this->*name##_Actual)
#define DETOUR_STATIC_CALL(name) (name##_Actual)
@@ -220,32 +210,9 @@ public:
friend class CDetourManager;
protected:
CDetour(void *callbackfunction, void **trampoline, const char *signame);
CDetour(void*callbackfunction, void **trampoline, void *pAddress);
bool Init(ISourcePawnEngine *spengine, IGameConfig *gameconf);
private:
/* These create/delete the allocated memory */
bool CreateDetour();
void DeleteDetour();
bool enabled;
bool detoured;
patch_t detour_restore;
/* Address of the detoured function */
void *detour_address;
/* Address of the allocated trampoline function */
void *detour_trampoline;
/* Address of the callback handler */
void *detour_callback;
/* The function pointer used to call our trampoline */
void **trampoline;
const char *signame;
ISourcePawnEngine *spengine;
IGameConfig *gameconf;
SafetyHookInline m_hook{};
};
class CDetourManager
@@ -293,10 +260,9 @@ public:
*
* Note we changed the netadr_s reference into a void* to avoid needing to define the type
*/
static CDetour *CreateDetour(void *callbackfunction, void **trampoline, const char *signame);
static CDetour *CreateDetour(void *callbackfunction, void **trampoline, void *pAddress);
static CDetour *CreateDetour(void *callbackFunction, void **trampoline, const char *signame);
static CDetour *CreateDetour(void *callbackFunction, void **trampoline, void *pAddress);
friend class CBlocker;
friend class CDetour;
private:
@@ -304,4 +270,4 @@ private:
static IGameConfig *gameconf;
};
#endif // _INCLUDE_SOURCEMOD_DETOURS_H_
#endif // _INCLUDE_SOURCEMOD_DETOURS_H_
public/asm/asm.c
-478
View File
@@ -1,478 +0,0 @@
#include "asm.h"
#include "libudis86/udis86.h"
#include <string.h>
#ifndef WIN32
#define _GNU_SOURCE
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include "libudis86/udis86.h"
#define REG_EAX 0
#define REG_ECX 1
#define REG_EDX 2
#define REG_EBX 3
#define IA32_MOV_REG_IMM 0xB8 // encoding is +r <imm32>
#endif
/**
* Checks if a call to a fpic thunk has just been written into dest.
* If found replaces it with a direct mov that sets the required register to the value of pc.
*
* @param dest Destination buffer where a call opcode + addr (5 bytes) has just been written.
* @param pc The program counter value that needs to be set (usually the next address from the source).
*/
void check_thunks(unsigned char *dest, unsigned char *pc)
{
#if defined(_WIN32) || defined(__x86_64__)
return;
#else
/* Step write address back 4 to the start of the function address */
unsigned char *writeaddr = dest - 4;
unsigned char *calloffset = *(unsigned char **)writeaddr;
unsigned char *calladdr = (unsigned char *)(dest + (unsigned int)calloffset);
/* Lookup name of function being called */
if ((*calladdr == 0x8B) && (*(calladdr+2) == 0x24) && (*(calladdr+3) == 0xC3))
{
//a thunk maybe?
char movByte = IA32_MOV_REG_IMM;
/* Calculate the correct mov opcode */
switch (*(calladdr+1))
{
case 0x04:
{
movByte += REG_EAX;
break;
}
case 0x1C:
{
movByte += REG_EBX;
break;
}
case 0x0C:
{
movByte += REG_ECX;
break;
}
case 0x14:
{
movByte += REG_EDX;
break;
}
default:
{
printf("Unknown thunk: %c\n", *(calladdr+1));
#ifndef NDEBUG
abort();
#endif
break;
}
}
/* Move our write address back one to where the call opcode was */
writeaddr--;
/* Write our mov */
*writeaddr = movByte;
writeaddr++;
/* Write the value - The provided program counter value */
*(void **)writeaddr = (void *)pc;
writeaddr += 4;
}
#endif
}
int copy_bytes(unsigned char *func, unsigned char *dest, unsigned int required_len)
{
ud_t ud_obj;
ud_init(&ud_obj);
#if defined(_WIN64) || defined(__x86_64__)
ud_set_mode(&ud_obj, 64);
#else
ud_set_mode(&ud_obj, 32);
#endif
ud_set_input_buffer(&ud_obj, func, 20);
unsigned int bytecount = 0;
while (bytecount < required_len && ud_disassemble(&ud_obj))
{
unsigned int insn_len = ud_insn_len(&ud_obj);
bytecount += insn_len;
if (dest)
{
const uint8_t *opcode = ud_insn_ptr(&ud_obj);
if ((opcode[0] & 0xFE) == 0xE8) // Fix CALL/JMP offset
{
dest[0] = func[0];
dest++; func++;
if (ud_insn_opr(&ud_obj, 0)->size == 32)
{
*(int32_t *)dest = func + *(int32_t *)func - dest;
check_thunks(dest+4, func+4);
dest += sizeof(int32_t);
}
else
{
*(int16_t *)dest = func + *(int16_t *)func - dest;
dest += sizeof(int16_t);
}
func--;
}
else
{
memcpy(dest, func, insn_len);
dest += insn_len;
}
}
func += insn_len;
}
return bytecount;
}
#if 0
//if dest is NULL, returns minimum number of bytes needed to be copied
//if dest is not NULL, it will copy the bytes to dest as well as fix CALLs and JMPs
//http://www.devmaster.net/forums/showthread.php?t=2311
int copy_bytes(unsigned char *func, unsigned char* dest, int required_len) {
int bytecount = 0;
while(bytecount < required_len && *func != 0xCC)
{
// prefixes F0h, F2h, F3h, 66h, 67h, D8h-DFh, 2Eh, 36h, 3Eh, 26h, 64h and 65h
int operandSize = 4;
int FPU = 0;
int twoByte = 0;
unsigned char opcode = 0x90;
unsigned char modRM = 0xFF;
while(*func == 0xF0 ||
*func == 0xF2 ||
*func == 0xF3 ||
(*func & 0xFC) == 0x64 ||
(*func & 0xF8) == 0xD8 ||
(*func & 0x7E) == 0x62)
{
if(*func == 0x66)
{
operandSize = 2;
}
else if((*func & 0xF8) == 0xD8)
{
FPU = *func;
if (dest)
*dest++ = *func++;
else
func++;
bytecount++;
break;
}
if (dest)
*dest++ = *func++;
else
func++;
bytecount++;
}
// two-byte opcode byte
if(*func == 0x0F)
{
twoByte = 1;
if (dest)
*dest++ = *func++;
else
func++;
bytecount++;
}
// opcode byte
opcode = *func++;
if (dest) *dest++ = opcode;
bytecount++;
// mod R/M byte
modRM = 0xFF;
if(FPU)
{
if((opcode & 0xC0) != 0xC0)
{
modRM = opcode;
}
}
else if(!twoByte)
{
if((opcode & 0xC4) == 0x00 ||
((opcode & 0xF4) == 0x60 && ((opcode & 0x0A) == 0x02 || (opcode & 0x09) == 0x09)) ||
(opcode & 0xF0) == 0x80 ||
((opcode & 0xF8) == 0xC0 && (opcode & 0x0E) != 0x02) ||
(opcode & 0xFC) == 0xD0 ||
(opcode & 0xF6) == 0xF6)
{
modRM = *func++;
if (dest) *dest++ = modRM;
bytecount++;
}
}
else
{
if(((opcode & 0xF0) == 0x00 && (opcode & 0x0F) >= 0x04 && (opcode & 0x0D) != 0x0D) ||
(opcode & 0xF0) == 0x30 ||
opcode == 0x77 ||
(opcode & 0xF0) == 0x80 ||
((opcode & 0xF0) == 0xA0 && (opcode & 0x07) <= 0x02) ||
(opcode & 0xF8) == 0xC8)
{
// No mod R/M byte
}
else
{
modRM = *func++;
if (dest) *dest++ = modRM;
bytecount++;
}
}
// SIB
if((modRM & 0x07) == 0x04 &&
(modRM & 0xC0) != 0xC0)
{
if (dest)
*dest++ = *func++; //SIB
else
func++;
bytecount++;
}
// mod R/M displacement
// Dword displacement, no base
if((modRM & 0xC5) == 0x05) {
if (dest) {
*(unsigned int*)dest = *(unsigned int*)func;
dest += 4;
}
func += 4;
bytecount += 4;
}
// Byte displacement
if((modRM & 0xC0) == 0x40) {
if (dest)
*dest++ = *func++;
else
func++;
bytecount++;
}
// Dword displacement
if((modRM & 0xC0) == 0x80) {
if (dest) {
*(unsigned int*)dest = *(unsigned int*)func;
dest += 4;
}
func += 4;
bytecount += 4;
}
// immediate
if(FPU)
{
// Can't have immediate operand
}
else if(!twoByte)
{
if((opcode & 0xC7) == 0x04 ||
(opcode & 0xFE) == 0x6A || // PUSH/POP/IMUL
(opcode & 0xF0) == 0x70 || // Jcc
opcode == 0x80 ||
opcode == 0x83 ||
(opcode & 0xFD) == 0xA0 || // MOV
opcode == 0xA8 || // TEST
(opcode & 0xF8) == 0xB0 || // MOV
(opcode & 0xFE) == 0xC0 || // RCL
opcode == 0xC6 || // MOV
opcode == 0xCD || // INT
(opcode & 0xFE) == 0xD4 || // AAD/AAM
(opcode & 0xF8) == 0xE0 || // LOOP/JCXZ
opcode == 0xEB ||
(opcode == 0xF6 && (modRM & 0x30) == 0x00)) // TEST
{
if (dest)
*dest++ = *func++;
else
func++;
bytecount++;
}
else if((opcode & 0xF7) == 0xC2) // RET
{
if (dest) {
*(unsigned short*)dest = *(unsigned short*)func;
dest += 2;
}
func += 2;
bytecount += 2;
}
else if((opcode & 0xFC) == 0x80 ||
(opcode & 0xC7) == 0x05 ||
(opcode & 0xF8) == 0xB8 ||
(opcode & 0xFE) == 0xE8 || // CALL/Jcc
(opcode & 0xFE) == 0x68 ||
(opcode & 0xFC) == 0xA0 ||
(opcode & 0xEE) == 0xA8 ||
opcode == 0xC7 ||
(opcode == 0xF7 && (modRM & 0x30) == 0x00))
{
if (dest) {
//Fix CALL/JMP offset
if ((opcode & 0xFE) == 0xE8) {
if (operandSize == 4)
{
*(long*)dest = ((func + *(long*)func) - dest);
//pRED* edit. func is the current address of the call address, +4 is the next instruction, so the value of $pc
check_thunks(dest+4, func+4);
}
else
*(short*)dest = ((func + *(short*)func) - dest);
} else {
if (operandSize == 4)
*(unsigned long*)dest = *(unsigned long*)func;
else
*(unsigned short*)dest = *(unsigned short*)func;
}
dest += operandSize;
}
func += operandSize;
bytecount += operandSize;
}
}
else
{
if(opcode == 0xBA || // BT
opcode == 0x0F || // 3DNow!
(opcode & 0xFC) == 0x70 || // PSLLW
(opcode & 0xF7) == 0xA4 || // SHLD
opcode == 0xC2 ||
opcode == 0xC4 ||
opcode == 0xC5 ||
opcode == 0xC6)
{
if (dest)
*dest++ = *func++;
else
func++;
}
else if((opcode & 0xF0) == 0x80) // Jcc -i
{
if (dest) {
if (operandSize == 4)
*(unsigned long*)dest = *(unsigned long*)func;
else
*(unsigned short*)dest = *(unsigned short*)func;
dest += operandSize;
}
func += operandSize;
bytecount += operandSize;
}
}
}
return bytecount;
}
#endif
//insert a specific JMP instruction at the given location
void inject_jmp(void* src, void* dest) {
*(unsigned char*)src = OP_JMP;
*(long*)((unsigned char*)src+1) = (long)((unsigned char*)dest - ((unsigned char*)src + OP_JMP_SIZE));
}
//fill a given block with NOPs
void fill_nop(void* src, unsigned int len) {
unsigned char* src2 = (unsigned char*)src;
while (len) {
*src2++ = OP_NOP;
--len;
}
}
void* eval_jump(void* src) {
unsigned char* addr = (unsigned char*)src;
if (!addr) return 0;
//import table jump
if (addr[0] == OP_PREFIX && addr[1] == OP_JMP_SEG) {
addr += 2;
addr = *(unsigned char**)addr;
//TODO: if addr points into the IAT
return *(void**)addr;
}
//8bit offset
else if (addr[0] == OP_JMP_BYTE) {
addr = &addr[OP_JMP_BYTE_SIZE] + *(char*)&addr[1];
//mangled 32bit jump?
if (addr[0] == OP_JMP) {
addr = addr + *(int*)&addr[1];
}
return addr;
}
/*
//32bit offset
else if (addr[0] == OP_JMP) {
addr = &addr[OP_JMP_SIZE] + *(int*)&addr[1];
}
*/
return addr;
}
/*
from ms detours package
static bool detour_is_imported(PBYTE pbCode, PBYTE pbAddress)
{
MEMORY_BASIC_INFORMATION mbi;
VirtualQuery((PVOID)pbCode, &mbi, sizeof(mbi));
__try {
PIMAGE_DOS_HEADER pDosHeader = (PIMAGE_DOS_HEADER)mbi.AllocationBase;
if (pDosHeader->e_magic != IMAGE_DOS_SIGNATURE) {
return false;
}
PIMAGE_NT_HEADERS pNtHeader = (PIMAGE_NT_HEADERS)((PBYTE)pDosHeader +
pDosHeader->e_lfanew);
if (pNtHeader->Signature != IMAGE_NT_SIGNATURE) {
return false;
}
if (pbAddress >= ((PBYTE)pDosHeader +
pNtHeader->OptionalHeader
.DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT].VirtualAddress) &&
pbAddress < ((PBYTE)pDosHeader +
pNtHeader->OptionalHeader
.DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT].VirtualAddress +
pNtHeader->OptionalHeader
.DataDirectory[IMAGE_DIRECTORY_ENTRY_IAT].Size)) {
return true;
}
return false;
}
__except(EXCEPTION_EXECUTE_HANDLER) {
return false;
}
}
*/
public/asm/asm.h
-38
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@@ -1,38 +0,0 @@
#pragma once
#define OP_JMP 0xE9
#define OP_JMP_SIZE 5
#define X64_ABS_SIZE 14
#define OP_NOP 0x90
#define OP_NOP_SIZE 1
#define OP_PREFIX 0xFF
#define OP_JMP_SEG 0x25
#define OP_JMP_BYTE 0xEB
#define OP_JMP_BYTE_SIZE 2
#ifdef __cplusplus
extern "C" {
#endif
void check_thunks(unsigned char *dest, unsigned char *pc);
//if dest is NULL, returns minimum number of bytes needed to be copied
//if dest is not NULL, it will copy the bytes to dest as well as fix CALLs and JMPs
//http://www.devmaster.net/forums/showthread.php?t=2311
int copy_bytes(unsigned char *func, unsigned char* dest, unsigned int required_len);
//insert a specific JMP instruction at the given location
void inject_jmp(void* src, void* dest);
//fill a given block with NOPs
void fill_nop(void* src, unsigned int len);
//evaluate a JMP at the target
void* eval_jump(void* src);
#ifdef __cplusplus
}
#endif
public/libudis86/decode.c
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public/libudis86/decode.h
-195
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/* udis86 - libudis86/decode.h
*
* Copyright (c) 2002-2009 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UD_DECODE_H
#define UD_DECODE_H
#include "types.h"
#include "itab.h"
#define MAX_INSN_LENGTH 15
/* itab prefix bits */
#define P_none ( 0 )
#define P_cast ( 1 << 0 )
#define P_CAST(n) ( ( n >> 0 ) & 1 )
#define P_rexb ( 1 << 1 )
#define P_REXB(n) ( ( n >> 1 ) & 1 )
#define P_inv64 ( 1 << 4 )
#define P_INV64(n) ( ( n >> 4 ) & 1 )
#define P_rexw ( 1 << 5 )
#define P_REXW(n) ( ( n >> 5 ) & 1 )
#define P_def64 ( 1 << 7 )
#define P_DEF64(n) ( ( n >> 7 ) & 1 )
#define P_rexr ( 1 << 8 )
#define P_REXR(n) ( ( n >> 8 ) & 1 )
#define P_oso ( 1 << 9 )
#define P_OSO(n) ( ( n >> 9 ) & 1 )
#define P_aso ( 1 << 10 )
#define P_ASO(n) ( ( n >> 10 ) & 1 )
#define P_rexx ( 1 << 11 )
#define P_REXX(n) ( ( n >> 11 ) & 1 )
#define P_ImpAddr ( 1 << 12 )
#define P_IMPADDR(n) ( ( n >> 12 ) & 1 )
#define P_seg ( 1 << 13 )
#define P_SEG(n) ( ( n >> 13 ) & 1 )
#define P_str ( 1 << 14 )
#define P_STR(n) ( ( n >> 14 ) & 1 )
#define P_strz ( 1 << 15 )
#define P_STR_ZF(n) ( ( n >> 15 ) & 1 )
/* operand type constants -- order is important! */
enum ud_operand_code {
OP_NONE,
OP_A, OP_E, OP_M, OP_G,
OP_I, OP_F,
OP_R0, OP_R1, OP_R2, OP_R3,
OP_R4, OP_R5, OP_R6, OP_R7,
OP_AL, OP_CL, OP_DL,
OP_AX, OP_CX, OP_DX,
OP_eAX, OP_eCX, OP_eDX,
OP_rAX, OP_rCX, OP_rDX,
OP_ES, OP_CS, OP_SS, OP_DS,
OP_FS, OP_GS,
OP_ST0, OP_ST1, OP_ST2, OP_ST3,
OP_ST4, OP_ST5, OP_ST6, OP_ST7,
OP_J, OP_S, OP_O,
OP_I1, OP_I3, OP_sI,
OP_V, OP_W, OP_Q, OP_P,
OP_U, OP_N, OP_MU,
OP_R, OP_C, OP_D,
OP_MR
} UD_ATTR_PACKED;
/* operand size constants */
enum ud_operand_size {
SZ_NA = 0,
SZ_Z = 1,
SZ_V = 2,
SZ_RDQ = 7,
/* the following values are used as is,
* and thus hard-coded. changing them
* will break internals
*/
SZ_B = 8,
SZ_W = 16,
SZ_D = 32,
SZ_Q = 64,
SZ_T = 80,
SZ_O = 128,
SZ_Y = 17,
/*
* complex size types, that encode sizes for operands
* of type MR (memory or register), for internal use
* only. Id space 256 and above.
*/
SZ_BD = (SZ_B << 8) | SZ_D,
SZ_BV = (SZ_B << 8) | SZ_V,
SZ_WD = (SZ_W << 8) | SZ_D,
SZ_WV = (SZ_W << 8) | SZ_V,
SZ_WY = (SZ_W << 8) | SZ_Y,
SZ_DY = (SZ_D << 8) | SZ_Y,
SZ_WO = (SZ_W << 8) | SZ_O,
SZ_DO = (SZ_D << 8) | SZ_O,
SZ_QO = (SZ_Q << 8) | SZ_O,
} UD_ATTR_PACKED;
/* resolve complex size type.
*/
static inline enum ud_operand_size
Mx_mem_size(enum ud_operand_size size)
{
return (size >> 8) & 0xff;
}
static inline enum ud_operand_size
Mx_reg_size(enum ud_operand_size size)
{
return size & 0xff;
}
/* A single operand of an entry in the instruction table.
* (internal use only)
*/
struct ud_itab_entry_operand
{
enum ud_operand_code type;
enum ud_operand_size size;
};
/* A single entry in an instruction table.
*(internal use only)
*/
struct ud_itab_entry
{
enum ud_mnemonic_code mnemonic;
struct ud_itab_entry_operand operand1;
struct ud_itab_entry_operand operand2;
struct ud_itab_entry_operand operand3;
uint32_t prefix;
};
struct ud_lookup_table_list_entry {
const uint16_t *table;
enum ud_table_type type;
const char *meta;
};
static inline int
ud_opcode_field_sext(uint8_t primary_opcode)
{
return (primary_opcode & 0x02) != 0;
}
extern struct ud_itab_entry ud_itab[];
extern struct ud_lookup_table_list_entry ud_lookup_table_list[];
#endif /* UD_DECODE_H */
/* vim:cindent
* vim:expandtab
* vim:ts=4
* vim:sw=4
*/
public/libudis86/extern.h
-105
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@@ -1,105 +0,0 @@
/* udis86 - libudis86/extern.h
*
* Copyright (c) 2002-2009, 2013 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UD_EXTERN_H
#define UD_EXTERN_H
#ifdef __cplusplus
extern "C" {
#endif
#include "types.h"
/* ============================= PUBLIC API ================================= */
extern void ud_init(struct ud*);
extern void ud_set_mode(struct ud*, uint8_t);
extern void ud_set_pc(struct ud*, uint64_t);
extern void ud_set_input_hook(struct ud*, int (*)(struct ud*));
extern void ud_set_input_buffer(struct ud*, const uint8_t*, size_t);
#ifndef __UD_STANDALONE__
extern void ud_set_input_file(struct ud*, FILE*);
#endif /* __UD_STANDALONE__ */
extern void ud_set_vendor(struct ud*, unsigned);
extern void ud_set_syntax(struct ud*, void (*)(struct ud*));
extern void ud_input_skip(struct ud*, size_t);
extern int ud_input_end(const struct ud*);
extern unsigned int ud_decode(struct ud*);
extern unsigned int ud_disassemble(struct ud*);
extern void ud_translate_intel(struct ud*);
extern void ud_translate_att(struct ud*);
extern const char* ud_insn_asm(const struct ud* u);
extern const uint8_t* ud_insn_ptr(const struct ud* u);
extern uint64_t ud_insn_off(const struct ud*);
extern const char* ud_insn_hex(struct ud*);
extern unsigned int ud_insn_len(const struct ud* u);
extern const struct ud_operand* ud_insn_opr(const struct ud *u, unsigned int n);
extern int ud_opr_is_sreg(const struct ud_operand *opr);
extern int ud_opr_is_gpr(const struct ud_operand *opr);
extern enum ud_mnemonic_code ud_insn_mnemonic(const struct ud *u);
extern const char* ud_lookup_mnemonic(enum ud_mnemonic_code c);
extern void ud_set_user_opaque_data(struct ud*, void*);
extern void* ud_get_user_opaque_data(const struct ud*);
extern uint64_t ud_insn_sext_imm(const struct ud*, const struct ud_operand*);
extern void ud_set_asm_buffer(struct ud *u, char *buf, size_t size);
extern void ud_set_sym_resolver(struct ud *u,
const char* (*resolver)(struct ud*,
uint64_t addr,
int64_t *offset));
/* ========================================================================== */
#ifdef __cplusplus
}
#endif
#endif /* UD_EXTERN_H */
public/libudis86/itab.c
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public/libudis86/itab.h
-678
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@@ -1,678 +0,0 @@
#ifndef UD_ITAB_H
#define UD_ITAB_H
/* itab.h -- generated by udis86:scripts/ud_itab.py, do no edit */
/* ud_table_type -- lookup table types (see decode.c) */
enum ud_table_type {
UD_TAB__OPC_TABLE,
UD_TAB__OPC_X87,
UD_TAB__OPC_MOD,
UD_TAB__OPC_VEX_M,
UD_TAB__OPC_VEX_P,
UD_TAB__OPC_RM,
UD_TAB__OPC_VENDOR,
UD_TAB__OPC_OSIZE,
UD_TAB__OPC_MODE,
UD_TAB__OPC_3DNOW,
UD_TAB__OPC_REG,
UD_TAB__OPC_ASIZE,
UD_TAB__OPC_SSE
};
/* ud_mnemonic -- mnemonic constants */
enum ud_mnemonic_code {
UD_Iinvalid,
UD_I3dnow,
UD_Inone,
UD_Idb,
UD_Ipause,
UD_Iaaa,
UD_Iaad,
UD_Iaam,
UD_Iaas,
UD_Iadc,
UD_Iadd,
UD_Iaddpd,
UD_Iaddps,
UD_Iaddsd,
UD_Iaddss,
UD_Iand,
UD_Iandpd,
UD_Iandps,
UD_Iandnpd,
UD_Iandnps,
UD_Iarpl,
UD_Imovsxd,
UD_Ibound,
UD_Ibsf,
UD_Ibsr,
UD_Ibswap,
UD_Ibt,
UD_Ibtc,
UD_Ibtr,
UD_Ibts,
UD_Icall,
UD_Icbw,
UD_Icwde,
UD_Icdqe,
UD_Iclc,
UD_Icld,
UD_Iclflush,
UD_Iclgi,
UD_Icli,
UD_Iclts,
UD_Icmc,
UD_Icmovo,
UD_Icmovno,
UD_Icmovb,
UD_Icmovae,
UD_Icmovz,
UD_Icmovnz,
UD_Icmovbe,
UD_Icmova,
UD_Icmovs,
UD_Icmovns,
UD_Icmovp,
UD_Icmovnp,
UD_Icmovl,
UD_Icmovge,
UD_Icmovle,
UD_Icmovg,
UD_Icmp,
UD_Icmppd,
UD_Icmpps,
UD_Icmpsb,
UD_Icmpsw,
UD_Icmpsd,
UD_Icmpsq,
UD_Icmpss,
UD_Icmpxchg,
UD_Icmpxchg8b,
UD_Icmpxchg16b,
UD_Icomisd,
UD_Icomiss,
UD_Icpuid,
UD_Icvtdq2pd,
UD_Icvtdq2ps,
UD_Icvtpd2dq,
UD_Icvtpd2pi,
UD_Icvtpd2ps,
UD_Icvtpi2ps,
UD_Icvtpi2pd,
UD_Icvtps2dq,
UD_Icvtps2pi,
UD_Icvtps2pd,
UD_Icvtsd2si,
UD_Icvtsd2ss,
UD_Icvtsi2ss,
UD_Icvtss2si,
UD_Icvtss2sd,
UD_Icvttpd2pi,
UD_Icvttpd2dq,
UD_Icvttps2dq,
UD_Icvttps2pi,
UD_Icvttsd2si,
UD_Icvtsi2sd,
UD_Icvttss2si,
UD_Icwd,
UD_Icdq,
UD_Icqo,
UD_Idaa,
UD_Idas,
UD_Idec,
UD_Idiv,
UD_Idivpd,
UD_Idivps,
UD_Idivsd,
UD_Idivss,
UD_Iemms,
UD_Ienter,
UD_If2xm1,
UD_Ifabs,
UD_Ifadd,
UD_Ifaddp,
UD_Ifbld,
UD_Ifbstp,
UD_Ifchs,
UD_Ifclex,
UD_Ifcmovb,
UD_Ifcmove,
UD_Ifcmovbe,
UD_Ifcmovu,
UD_Ifcmovnb,
UD_Ifcmovne,
UD_Ifcmovnbe,
UD_Ifcmovnu,
UD_Ifucomi,
UD_Ifcom,
UD_Ifcom2,
UD_Ifcomp3,
UD_Ifcomi,
UD_Ifucomip,
UD_Ifcomip,
UD_Ifcomp,
UD_Ifcomp5,
UD_Ifcompp,
UD_Ifcos,
UD_Ifdecstp,
UD_Ifdiv,
UD_Ifdivp,
UD_Ifdivr,
UD_Ifdivrp,
UD_Ifemms,
UD_Iffree,
UD_Iffreep,
UD_Ificom,
UD_Ificomp,
UD_Ifild,
UD_Ifincstp,
UD_Ifninit,
UD_Ifiadd,
UD_Ifidivr,
UD_Ifidiv,
UD_Ifisub,
UD_Ifisubr,
UD_Ifist,
UD_Ifistp,
UD_Ifisttp,
UD_Ifld,
UD_Ifld1,
UD_Ifldl2t,
UD_Ifldl2e,
UD_Ifldpi,
UD_Ifldlg2,
UD_Ifldln2,
UD_Ifldz,
UD_Ifldcw,
UD_Ifldenv,
UD_Ifmul,
UD_Ifmulp,
UD_Ifimul,
UD_Ifnop,
UD_Ifpatan,
UD_Ifprem,
UD_Ifprem1,
UD_Ifptan,
UD_Ifrndint,
UD_Ifrstor,
UD_Ifnsave,
UD_Ifscale,
UD_Ifsin,
UD_Ifsincos,
UD_Ifsqrt,
UD_Ifstp,
UD_Ifstp1,
UD_Ifstp8,
UD_Ifstp9,
UD_Ifst,
UD_Ifnstcw,
UD_Ifnstenv,
UD_Ifnstsw,
UD_Ifsub,
UD_Ifsubp,
UD_Ifsubr,
UD_Ifsubrp,
UD_Iftst,
UD_Ifucom,
UD_Ifucomp,
UD_Ifucompp,
UD_Ifxam,
UD_Ifxch,
UD_Ifxch4,
UD_Ifxch7,
UD_Ifxrstor,
UD_Ifxsave,
UD_Ifxtract,
UD_Ifyl2x,
UD_Ifyl2xp1,
UD_Ihlt,
UD_Iidiv,
UD_Iin,
UD_Iimul,
UD_Iinc,
UD_Iinsb,
UD_Iinsw,
UD_Iinsd,
UD_Iint1,
UD_Iint3,
UD_Iint,
UD_Iinto,
UD_Iinvd,
UD_Iinvept,
UD_Iinvlpg,
UD_Iinvlpga,
UD_Iinvvpid,
UD_Iiretw,
UD_Iiretd,
UD_Iiretq,
UD_Ijo,
UD_Ijno,
UD_Ijb,
UD_Ijae,
UD_Ijz,
UD_Ijnz,
UD_Ijbe,
UD_Ija,
UD_Ijs,
UD_Ijns,
UD_Ijp,
UD_Ijnp,
UD_Ijl,
UD_Ijge,
UD_Ijle,
UD_Ijg,
UD_Ijcxz,
UD_Ijecxz,
UD_Ijrcxz,
UD_Ijmp,
UD_Ilahf,
UD_Ilar,
UD_Ilddqu,
UD_Ildmxcsr,
UD_Ilds,
UD_Ilea,
UD_Iles,
UD_Ilfs,
UD_Ilgs,
UD_Ilidt,
UD_Ilss,
UD_Ileave,
UD_Ilfence,
UD_Ilgdt,
UD_Illdt,
UD_Ilmsw,
UD_Ilock,
UD_Ilodsb,
UD_Ilodsw,
UD_Ilodsd,
UD_Ilodsq,
UD_Iloopne,
UD_Iloope,
UD_Iloop,
UD_Ilsl,
UD_Iltr,
UD_Imaskmovq,
UD_Imaxpd,
UD_Imaxps,
UD_Imaxsd,
UD_Imaxss,
UD_Imfence,
UD_Iminpd,
UD_Iminps,
UD_Iminsd,
UD_Iminss,
UD_Imonitor,
UD_Imontmul,
UD_Imov,
UD_Imovapd,
UD_Imovaps,
UD_Imovd,
UD_Imovhpd,
UD_Imovhps,
UD_Imovlhps,
UD_Imovlpd,
UD_Imovlps,
UD_Imovhlps,
UD_Imovmskpd,
UD_Imovmskps,
UD_Imovntdq,
UD_Imovnti,
UD_Imovntpd,
UD_Imovntps,
UD_Imovntq,
UD_Imovq,
UD_Imovsb,
UD_Imovsw,
UD_Imovsd,
UD_Imovsq,
UD_Imovss,
UD_Imovsx,
UD_Imovupd,
UD_Imovups,
UD_Imovzx,
UD_Imul,
UD_Imulpd,
UD_Imulps,
UD_Imulsd,
UD_Imulss,
UD_Imwait,
UD_Ineg,
UD_Inop,
UD_Inot,
UD_Ior,
UD_Iorpd,
UD_Iorps,
UD_Iout,
UD_Ioutsb,
UD_Ioutsw,
UD_Ioutsd,
UD_Ipacksswb,
UD_Ipackssdw,
UD_Ipackuswb,
UD_Ipaddb,
UD_Ipaddw,
UD_Ipaddd,
UD_Ipaddsb,
UD_Ipaddsw,
UD_Ipaddusb,
UD_Ipaddusw,
UD_Ipand,
UD_Ipandn,
UD_Ipavgb,
UD_Ipavgw,
UD_Ipcmpeqb,
UD_Ipcmpeqw,
UD_Ipcmpeqd,
UD_Ipcmpgtb,
UD_Ipcmpgtw,
UD_Ipcmpgtd,
UD_Ipextrb,
UD_Ipextrd,
UD_Ipextrq,
UD_Ipextrw,
UD_Ipinsrb,
UD_Ipinsrw,
UD_Ipinsrd,
UD_Ipinsrq,
UD_Ipmaddwd,
UD_Ipmaxsw,
UD_Ipmaxub,
UD_Ipminsw,
UD_Ipminub,
UD_Ipmovmskb,
UD_Ipmulhuw,
UD_Ipmulhw,
UD_Ipmullw,
UD_Ipop,
UD_Ipopa,
UD_Ipopad,
UD_Ipopfw,
UD_Ipopfd,
UD_Ipopfq,
UD_Ipor,
UD_Iprefetch,
UD_Iprefetchnta,
UD_Iprefetcht0,
UD_Iprefetcht1,
UD_Iprefetcht2,
UD_Ipsadbw,
UD_Ipshufw,
UD_Ipsllw,
UD_Ipslld,
UD_Ipsllq,
UD_Ipsraw,
UD_Ipsrad,
UD_Ipsrlw,
UD_Ipsrld,
UD_Ipsrlq,
UD_Ipsubb,
UD_Ipsubw,
UD_Ipsubd,
UD_Ipsubsb,
UD_Ipsubsw,
UD_Ipsubusb,
UD_Ipsubusw,
UD_Ipunpckhbw,
UD_Ipunpckhwd,
UD_Ipunpckhdq,
UD_Ipunpcklbw,
UD_Ipunpcklwd,
UD_Ipunpckldq,
UD_Ipi2fw,
UD_Ipi2fd,
UD_Ipf2iw,
UD_Ipf2id,
UD_Ipfnacc,
UD_Ipfpnacc,
UD_Ipfcmpge,
UD_Ipfmin,
UD_Ipfrcp,
UD_Ipfrsqrt,
UD_Ipfsub,
UD_Ipfadd,
UD_Ipfcmpgt,
UD_Ipfmax,
UD_Ipfrcpit1,
UD_Ipfrsqit1,
UD_Ipfsubr,
UD_Ipfacc,
UD_Ipfcmpeq,
UD_Ipfmul,
UD_Ipfrcpit2,
UD_Ipmulhrw,
UD_Ipswapd,
UD_Ipavgusb,
UD_Ipush,
UD_Ipusha,
UD_Ipushad,
UD_Ipushfw,
UD_Ipushfd,
UD_Ipushfq,
UD_Ipxor,
UD_Ircl,
UD_Ircr,
UD_Irol,
UD_Iror,
UD_Ircpps,
UD_Ircpss,
UD_Irdmsr,
UD_Irdpmc,
UD_Irdtsc,
UD_Irdtscp,
UD_Irepne,
UD_Irep,
UD_Iret,
UD_Iretf,
UD_Irsm,
UD_Irsqrtps,
UD_Irsqrtss,
UD_Isahf,
UD_Isalc,
UD_Isar,
UD_Ishl,
UD_Ishr,
UD_Isbb,
UD_Iscasb,
UD_Iscasw,
UD_Iscasd,
UD_Iscasq,
UD_Iseto,
UD_Isetno,
UD_Isetb,
UD_Isetae,
UD_Isetz,
UD_Isetnz,
UD_Isetbe,
UD_Iseta,
UD_Isets,
UD_Isetns,
UD_Isetp,
UD_Isetnp,
UD_Isetl,
UD_Isetge,
UD_Isetle,
UD_Isetg,
UD_Isfence,
UD_Isgdt,
UD_Ishld,
UD_Ishrd,
UD_Ishufpd,
UD_Ishufps,
UD_Isidt,
UD_Isldt,
UD_Ismsw,
UD_Isqrtps,
UD_Isqrtpd,
UD_Isqrtsd,
UD_Isqrtss,
UD_Istc,
UD_Istd,
UD_Istgi,
UD_Isti,
UD_Iskinit,
UD_Istmxcsr,
UD_Istosb,
UD_Istosw,
UD_Istosd,
UD_Istosq,
UD_Istr,
UD_Isub,
UD_Isubpd,
UD_Isubps,
UD_Isubsd,
UD_Isubss,
UD_Iswapgs,
UD_Isyscall,
UD_Isysenter,
UD_Isysexit,
UD_Isysret,
UD_Itest,
UD_Iucomisd,
UD_Iucomiss,
UD_Iud2,
UD_Iunpckhpd,
UD_Iunpckhps,
UD_Iunpcklps,
UD_Iunpcklpd,
UD_Iverr,
UD_Iverw,
UD_Ivmcall,
UD_Ivmclear,
UD_Ivmxon,
UD_Ivmptrld,
UD_Ivmptrst,
UD_Ivmlaunch,
UD_Ivmresume,
UD_Ivmxoff,
UD_Ivmread,
UD_Ivmwrite,
UD_Ivmrun,
UD_Ivmmcall,
UD_Ivmload,
UD_Ivmsave,
UD_Iwait,
UD_Iwbinvd,
UD_Iwrmsr,
UD_Ixadd,
UD_Ixchg,
UD_Ixgetbv,
UD_Ixlatb,
UD_Ixor,
UD_Ixorpd,
UD_Ixorps,
UD_Ixcryptecb,
UD_Ixcryptcbc,
UD_Ixcryptctr,
UD_Ixcryptcfb,
UD_Ixcryptofb,
UD_Ixrstor,
UD_Ixsave,
UD_Ixsetbv,
UD_Ixsha1,
UD_Ixsha256,
UD_Ixstore,
UD_Iaesdec,
UD_Iaesdeclast,
UD_Iaesenc,
UD_Iaesenclast,
UD_Iaesimc,
UD_Iaeskeygenassist,
UD_Ipclmulqdq,
UD_Igetsec,
UD_Imovdqa,
UD_Imaskmovdqu,
UD_Imovdq2q,
UD_Imovdqu,
UD_Imovq2dq,
UD_Ipaddq,
UD_Ipsubq,
UD_Ipmuludq,
UD_Ipshufhw,
UD_Ipshuflw,
UD_Ipshufd,
UD_Ipslldq,
UD_Ipsrldq,
UD_Ipunpckhqdq,
UD_Ipunpcklqdq,
UD_Iaddsubpd,
UD_Iaddsubps,
UD_Ihaddpd,
UD_Ihaddps,
UD_Ihsubpd,
UD_Ihsubps,
UD_Imovddup,
UD_Imovshdup,
UD_Imovsldup,
UD_Ipabsb,
UD_Ipabsw,
UD_Ipabsd,
UD_Ipshufb,
UD_Iphaddw,
UD_Iphaddd,
UD_Iphaddsw,
UD_Ipmaddubsw,
UD_Iphsubw,
UD_Iphsubd,
UD_Iphsubsw,
UD_Ipsignb,
UD_Ipsignd,
UD_Ipsignw,
UD_Ipmulhrsw,
UD_Ipalignr,
UD_Ipblendvb,
UD_Ipmuldq,
UD_Ipminsb,
UD_Ipminsd,
UD_Ipminuw,
UD_Ipminud,
UD_Ipmaxsb,
UD_Ipmaxsd,
UD_Ipmaxud,
UD_Ipmaxuw,
UD_Ipmulld,
UD_Iphminposuw,
UD_Iroundps,
UD_Iroundpd,
UD_Iroundss,
UD_Iroundsd,
UD_Iblendpd,
UD_Ipblendw,
UD_Iblendps,
UD_Iblendvpd,
UD_Iblendvps,
UD_Idpps,
UD_Idppd,
UD_Impsadbw,
UD_Iextractps,
UD_Iinsertps,
UD_Imovntdqa,
UD_Ipackusdw,
UD_Ipmovsxbw,
UD_Ipmovsxbd,
UD_Ipmovsxbq,
UD_Ipmovsxwd,
UD_Ipmovsxwq,
UD_Ipmovsxdq,
UD_Ipmovzxbw,
UD_Ipmovzxbd,
UD_Ipmovzxbq,
UD_Ipmovzxwd,
UD_Ipmovzxwq,
UD_Ipmovzxdq,
UD_Ipcmpeqq,
UD_Ipopcnt,
UD_Iptest,
UD_Ipcmpestri,
UD_Ipcmpestrm,
UD_Ipcmpgtq,
UD_Ipcmpistri,
UD_Ipcmpistrm,
UD_Imovbe,
UD_Icrc32,
UD_MAX_MNEMONIC_CODE
} UD_ATTR_PACKED;
extern const char * ud_mnemonics_str[];
#endif /* UD_ITAB_H */
public/libudis86/syn-att.c
-224
View File
@@ -1,224 +0,0 @@
/* udis86 - libudis86/syn-att.c
*
* Copyright (c) 2002-2009 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "types.h"
#include "extern.h"
#include "decode.h"
#include "itab.h"
#include "syn.h"
#include "udint.h"
/* -----------------------------------------------------------------------------
* opr_cast() - Prints an operand cast.
* -----------------------------------------------------------------------------
*/
static void
opr_cast(struct ud* u, struct ud_operand* op)
{
switch(op->size) {
case 16 : case 32 :
ud_asmprintf(u, "*"); break;
default: break;
}
}
/* -----------------------------------------------------------------------------
* gen_operand() - Generates assembly output for each operand.
* -----------------------------------------------------------------------------
*/
static void
gen_operand(struct ud* u, struct ud_operand* op)
{
switch(op->type) {
case UD_OP_CONST:
ud_asmprintf(u, "$0x%x", op->lval.udword);
break;
case UD_OP_REG:
ud_asmprintf(u, "%%%s", ud_reg_tab[op->base - UD_R_AL]);
break;
case UD_OP_MEM:
if (u->br_far) {
opr_cast(u, op);
}
if (u->pfx_seg) {
ud_asmprintf(u, "%%%s:", ud_reg_tab[u->pfx_seg - UD_R_AL]);
}
if (op->offset != 0) {
ud_syn_print_mem_disp(u, op, 0);
}
if (op->base) {
ud_asmprintf(u, "(%%%s", ud_reg_tab[op->base - UD_R_AL]);
}
if (op->index) {
if (op->base) {
ud_asmprintf(u, ",");
} else {
ud_asmprintf(u, "(");
}
ud_asmprintf(u, "%%%s", ud_reg_tab[op->index - UD_R_AL]);
}
if (op->scale) {
ud_asmprintf(u, ",%d", op->scale);
}
if (op->base || op->index) {
ud_asmprintf(u, ")");
}
break;
case UD_OP_IMM:
ud_asmprintf(u, "$");
ud_syn_print_imm(u, op);
break;
case UD_OP_JIMM:
ud_syn_print_addr(u, ud_syn_rel_target(u, op));
break;
case UD_OP_PTR:
switch (op->size) {
case 32:
ud_asmprintf(u, "$0x%x, $0x%x", op->lval.ptr.seg,
op->lval.ptr.off & 0xFFFF);
break;
case 48:
ud_asmprintf(u, "$0x%x, $0x%x", op->lval.ptr.seg,
op->lval.ptr.off);
break;
}
break;
default: return;
}
}
/* =============================================================================
* translates to AT&T syntax
* =============================================================================
*/
extern void
ud_translate_att(struct ud *u)
{
int size = 0;
int star = 0;
/* check if P_OSO prefix is used */
if (! P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
switch (u->dis_mode) {
case 16:
ud_asmprintf(u, "o32 ");
break;
case 32:
case 64:
ud_asmprintf(u, "o16 ");
break;
}
}
/* check if P_ASO prefix was used */
if (! P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
switch (u->dis_mode) {
case 16:
ud_asmprintf(u, "a32 ");
break;
case 32:
ud_asmprintf(u, "a16 ");
break;
case 64:
ud_asmprintf(u, "a32 ");
break;
}
}
if (u->pfx_lock)
ud_asmprintf(u, "lock ");
if (u->pfx_rep) {
ud_asmprintf(u, "rep ");
} else if (u->pfx_rep) {
ud_asmprintf(u, "repe ");
} else if (u->pfx_repne) {
ud_asmprintf(u, "repne ");
}
/* special instructions */
switch (u->mnemonic) {
case UD_Iretf:
ud_asmprintf(u, "lret ");
break;
case UD_Idb:
ud_asmprintf(u, ".byte 0x%x", u->operand[0].lval.ubyte);
return;
case UD_Ijmp:
case UD_Icall:
if (u->br_far) ud_asmprintf(u, "l");
if (u->operand[0].type == UD_OP_REG) {
star = 1;
}
ud_asmprintf(u, "%s", ud_lookup_mnemonic(u->mnemonic));
break;
case UD_Ibound:
case UD_Ienter:
if (u->operand[0].type != UD_NONE)
gen_operand(u, &u->operand[0]);
if (u->operand[1].type != UD_NONE) {
ud_asmprintf(u, ",");
gen_operand(u, &u->operand[1]);
}
return;
default:
ud_asmprintf(u, "%s", ud_lookup_mnemonic(u->mnemonic));
}
if (size == 8)
ud_asmprintf(u, "b");
else if (size == 16)
ud_asmprintf(u, "w");
else if (size == 64)
ud_asmprintf(u, "q");
if (star) {
ud_asmprintf(u, " *");
} else {
ud_asmprintf(u, " ");
}
if (u->operand[2].type != UD_NONE) {
gen_operand(u, &u->operand[2]);
ud_asmprintf(u, ", ");
}
if (u->operand[1].type != UD_NONE) {
gen_operand(u, &u->operand[1]);
ud_asmprintf(u, ", ");
}
if (u->operand[0].type != UD_NONE)
gen_operand(u, &u->operand[0]);
}
/*
vim: set ts=2 sw=2 expandtab
*/
public/libudis86/syn-intel.c
-213
View File
@@ -1,213 +0,0 @@
/* udis86 - libudis86/syn-intel.c
*
* Copyright (c) 2002-2013 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "types.h"
#include "extern.h"
#include "decode.h"
#include "itab.h"
#include "syn.h"
#include "udint.h"
/* -----------------------------------------------------------------------------
* opr_cast() - Prints an operand cast.
* -----------------------------------------------------------------------------
*/
static void
opr_cast(struct ud* u, struct ud_operand* op)
{
if (u->br_far) {
ud_asmprintf(u, "far ");
}
switch(op->size) {
case 8: ud_asmprintf(u, "byte " ); break;
case 16: ud_asmprintf(u, "word " ); break;
case 32: ud_asmprintf(u, "dword "); break;
case 64: ud_asmprintf(u, "qword "); break;
case 80: ud_asmprintf(u, "tword "); break;
default: break;
}
}
/* -----------------------------------------------------------------------------
* gen_operand() - Generates assembly output for each operand.
* -----------------------------------------------------------------------------
*/
static void gen_operand(struct ud* u, struct ud_operand* op, int syn_cast)
{
switch(op->type) {
case UD_OP_REG:
ud_asmprintf(u, "%s", ud_reg_tab[op->base - UD_R_AL]);
break;
case UD_OP_MEM:
if (syn_cast) {
opr_cast(u, op);
}
ud_asmprintf(u, "[");
if (u->pfx_seg) {
ud_asmprintf(u, "%s:", ud_reg_tab[u->pfx_seg - UD_R_AL]);
}
if (op->base) {
ud_asmprintf(u, "%s", ud_reg_tab[op->base - UD_R_AL]);
}
if (op->index) {
ud_asmprintf(u, "%s%s", op->base != UD_NONE? "+" : "",
ud_reg_tab[op->index - UD_R_AL]);
if (op->scale) {
ud_asmprintf(u, "*%d", op->scale);
}
}
if (op->offset != 0) {
ud_syn_print_mem_disp(u, op, (op->base != UD_NONE ||
op->index != UD_NONE) ? 1 : 0);
}
ud_asmprintf(u, "]");
break;
case UD_OP_IMM:
ud_syn_print_imm(u, op);
break;
case UD_OP_JIMM:
ud_syn_print_addr(u, ud_syn_rel_target(u, op));
break;
case UD_OP_PTR:
switch (op->size) {
case 32:
ud_asmprintf(u, "word 0x%x:0x%x", op->lval.ptr.seg,
op->lval.ptr.off & 0xFFFF);
break;
case 48:
ud_asmprintf(u, "dword 0x%x:0x%x", op->lval.ptr.seg,
op->lval.ptr.off);
break;
}
break;
case UD_OP_CONST:
if (syn_cast) opr_cast(u, op);
ud_asmprintf(u, "%d", op->lval.udword);
break;
default: return;
}
}
/* =============================================================================
* translates to intel syntax
* =============================================================================
*/
extern void
ud_translate_intel(struct ud* u)
{
/* check if P_OSO prefix is used */
if (!P_OSO(u->itab_entry->prefix) && u->pfx_opr) {
switch (u->dis_mode) {
case 16: ud_asmprintf(u, "o32 "); break;
case 32:
case 64: ud_asmprintf(u, "o16 "); break;
}
}
/* check if P_ASO prefix was used */
if (!P_ASO(u->itab_entry->prefix) && u->pfx_adr) {
switch (u->dis_mode) {
case 16: ud_asmprintf(u, "a32 "); break;
case 32: ud_asmprintf(u, "a16 "); break;
case 64: ud_asmprintf(u, "a32 "); break;
}
}
if (u->pfx_seg &&
u->operand[0].type != UD_OP_MEM &&
u->operand[1].type != UD_OP_MEM ) {
ud_asmprintf(u, "%s ", ud_reg_tab[u->pfx_seg - UD_R_AL]);
}
if (u->pfx_lock) {
ud_asmprintf(u, "lock ");
}
if (u->pfx_rep) {
ud_asmprintf(u, "rep ");
} else if (u->pfx_repe) {
ud_asmprintf(u, "repe ");
} else if (u->pfx_repne) {
ud_asmprintf(u, "repne ");
}
/* print the instruction mnemonic */
ud_asmprintf(u, "%s", ud_lookup_mnemonic(u->mnemonic));
if (u->operand[0].type != UD_NONE) {
int cast = 0;
ud_asmprintf(u, " ");
if (u->operand[0].type == UD_OP_MEM) {
if (u->operand[1].type == UD_OP_IMM ||
u->operand[1].type == UD_OP_CONST ||
u->operand[1].type == UD_NONE ||
(u->operand[0].size != u->operand[1].size &&
u->operand[1].type != UD_OP_REG)) {
cast = 1;
} else if (u->operand[1].type == UD_OP_REG &&
u->operand[1].base == UD_R_CL) {
switch (u->mnemonic) {
case UD_Ircl:
case UD_Irol:
case UD_Iror:
case UD_Ircr:
case UD_Ishl:
case UD_Ishr:
case UD_Isar:
cast = 1;
break;
default: break;
}
}
}
gen_operand(u, &u->operand[0], cast);
}
if (u->operand[1].type != UD_NONE) {
int cast = 0;
ud_asmprintf(u, ", ");
if (u->operand[1].type == UD_OP_MEM &&
u->operand[0].size != u->operand[1].size &&
!ud_opr_is_sreg(&u->operand[0])) {
cast = 1;
}
gen_operand(u, &u->operand[1], cast);
}
if (u->operand[2].type != UD_NONE) {
ud_asmprintf(u, ", ");
gen_operand(u, &u->operand[2], 0);
}
}
/*
vim: set ts=2 sw=2 expandtab
*/
public/libudis86/syn.c
-207
View File
@@ -1,207 +0,0 @@
/* udis86 - libudis86/syn.c
*
* Copyright (c) 2002-2013 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "types.h"
#include "decode.h"
#include "syn.h"
#include "udint.h"
/* -----------------------------------------------------------------------------
* Intel Register Table - Order Matters (types.h)!
* -----------------------------------------------------------------------------
*/
const char* ud_reg_tab[] =
{
"al", "cl", "dl", "bl",
"ah", "ch", "dh", "bh",
"spl", "bpl", "sil", "dil",
"r8b", "r9b", "r10b", "r11b",
"r12b", "r13b", "r14b", "r15b",
"ax", "cx", "dx", "bx",
"sp", "bp", "si", "di",
"r8w", "r9w", "r10w", "r11w",
"r12w", "r13w" , "r14w", "r15w",
"eax", "ecx", "edx", "ebx",
"esp", "ebp", "esi", "edi",
"r8d", "r9d", "r10d", "r11d",
"r12d", "r13d", "r14d", "r15d",
"rax", "rcx", "rdx", "rbx",
"rsp", "rbp", "rsi", "rdi",
"r8", "r9", "r10", "r11",
"r12", "r13", "r14", "r15",
"es", "cs", "ss", "ds",
"fs", "gs",
"cr0", "cr1", "cr2", "cr3",
"cr4", "cr5", "cr6", "cr7",
"cr8", "cr9", "cr10", "cr11",
"cr12", "cr13", "cr14", "cr15",
"dr0", "dr1", "dr2", "dr3",
"dr4", "dr5", "dr6", "dr7",
"dr8", "dr9", "dr10", "dr11",
"dr12", "dr13", "dr14", "dr15",
"mm0", "mm1", "mm2", "mm3",
"mm4", "mm5", "mm6", "mm7",
"st0", "st1", "st2", "st3",
"st4", "st5", "st6", "st7",
"xmm0", "xmm1", "xmm2", "xmm3",
"xmm4", "xmm5", "xmm6", "xmm7",
"xmm8", "xmm9", "xmm10", "xmm11",
"xmm12", "xmm13", "xmm14", "xmm15",
"rip"
};
uint64_t
ud_syn_rel_target(struct ud *u, struct ud_operand *opr)
{
const uint64_t trunc_mask = 0xffffffffffffffffull >> (64 - u->opr_mode);
switch (opr->size) {
case 8 : return (u->pc + opr->lval.sbyte) & trunc_mask;
case 16: return (u->pc + opr->lval.sword) & trunc_mask;
case 32: return (u->pc + opr->lval.sdword) & trunc_mask;
default: UD_ASSERT(!"invalid relative offset size.");
return 0ull;
}
}
/*
* asmprintf
* Printf style function for printing translated assembly
* output. Returns the number of characters written and
* moves the buffer pointer forward. On an overflow,
* returns a negative number and truncates the output.
*/
int
ud_asmprintf(struct ud *u, const char *fmt, ...)
{
int ret;
int avail;
va_list ap;
va_start(ap, fmt);
avail = u->asm_buf_size - u->asm_buf_fill - 1 /* nullchar */;
ret = vsnprintf((char*) u->asm_buf + u->asm_buf_fill, avail, fmt, ap);
if (ret < 0 || ret > avail) {
u->asm_buf_fill = u->asm_buf_size - 1;
} else {
u->asm_buf_fill += ret;
}
va_end(ap);
return ret;
}
void
ud_syn_print_addr(struct ud *u, uint64_t addr)
{
const char *name = NULL;
if (u->sym_resolver) {
int64_t offset = 0;
name = u->sym_resolver(u, addr, &offset);
if (name) {
if (offset) {
ud_asmprintf(u, "%s%+" FMT64 "d", name, offset);
} else {
ud_asmprintf(u, "%s", name);
}
return;
}
}
ud_asmprintf(u, "0x%" FMT64 "x", addr);
}
void
ud_syn_print_imm(struct ud* u, const struct ud_operand *op)
{
uint64_t v;
if (op->_oprcode == OP_sI && op->size != u->opr_mode) {
if (op->size == 8) {
v = (int64_t)op->lval.sbyte;
} else {
UD_ASSERT(op->size == 32);
v = (int64_t)op->lval.sdword;
}
if (u->opr_mode < 64) {
v = v & ((1ull << u->opr_mode) - 1ull);
}
} else {
switch (op->size) {
case 8 : v = op->lval.ubyte; break;
case 16: v = op->lval.uword; break;
case 32: v = op->lval.udword; break;
case 64: v = op->lval.uqword; break;
default: UD_ASSERT(!"invalid offset"); v = 0; /* keep cc happy */
}
}
ud_asmprintf(u, "0x%" FMT64 "x", v);
}
void
ud_syn_print_mem_disp(struct ud* u, const struct ud_operand *op, int sign)
{
UD_ASSERT(op->offset != 0);
if (op->base == UD_NONE && op->index == UD_NONE) {
uint64_t v;
UD_ASSERT(op->scale == UD_NONE && op->offset != 8);
/* unsigned mem-offset */
switch (op->offset) {
case 16: v = op->lval.uword; break;
case 32: v = op->lval.udword; break;
case 64: v = op->lval.uqword; break;
default: UD_ASSERT(!"invalid offset"); v = 0; /* keep cc happy */
}
ud_asmprintf(u, "0x%" FMT64 "x", v);
} else {
int64_t v;
UD_ASSERT(op->offset != 64);
switch (op->offset) {
case 8 : v = op->lval.sbyte; break;
case 16: v = op->lval.sword; break;
case 32: v = op->lval.sdword; break;
default: UD_ASSERT(!"invalid offset"); v = 0; /* keep cc happy */
}
if (v < 0) {
ud_asmprintf(u, "-0x%" FMT64 "x", -v);
} else if (v > 0) {
ud_asmprintf(u, "%s0x%" FMT64 "x", sign? "+" : "", v);
}
}
}
/*
vim: set ts=2 sw=2 expandtab
*/
public/libudis86/syn.h
-53
View File
@@ -1,53 +0,0 @@
/* udis86 - libudis86/syn.h
*
* Copyright (c) 2002-2009
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UD_SYN_H
#define UD_SYN_H
#include "types.h"
#ifndef __UD_STANDALONE__
# include <stdarg.h>
#endif /* __UD_STANDALONE__ */
extern const char* ud_reg_tab[];
uint64_t ud_syn_rel_target(struct ud*, struct ud_operand*);
#ifdef __GNUC__
int ud_asmprintf(struct ud *u, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
#else
int ud_asmprintf(struct ud *u, const char *fmt, ...);
#endif
void ud_syn_print_addr(struct ud *u, uint64_t addr);
void ud_syn_print_imm(struct ud* u, const struct ud_operand *op);
void ud_syn_print_mem_disp(struct ud* u, const struct ud_operand *, int sign);
#endif /* UD_SYN_H */
/*
vim: set ts=2 sw=2 expandtab
*/
public/libudis86/types.h
-250
View File
@@ -1,250 +0,0 @@
/* udis86 - libudis86/types.h
*
* Copyright (c) 2002-2013 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UD_TYPES_H
#define UD_TYPES_H
#ifdef __KERNEL__
/* -D__KERNEL__ is automatically passed on the command line when
building something as part of the Linux kernel */
# include <linux/kernel.h>
# include <linux/string.h>
# ifndef __UD_STANDALONE__
# define __UD_STANDALONE__ 1
#endif
#endif /* __KERNEL__ */
#if defined(_MSC_VER) || defined(__BORLANDC__)
# include <stdint.h>
# include <stdio.h>
# define inline __inline /* MS Visual Studio requires __inline
instead of inline for C code */
#elif !defined(__UD_STANDALONE__)
# include <stdio.h>
# include <inttypes.h>
#endif /* !__UD_STANDALONE__ */
/* gcc specific extensions */
#ifdef __GNUC__
# define UD_ATTR_PACKED __attribute__((packed))
#else
# define UD_ATTR_PACKED
#endif /* UD_ATTR_PACKED */
/* -----------------------------------------------------------------------------
* All possible "types" of objects in udis86. Order is Important!
* -----------------------------------------------------------------------------
*/
enum ud_type
{
UD_NONE,
/* 8 bit GPRs */
UD_R_AL, UD_R_CL, UD_R_DL, UD_R_BL,
UD_R_AH, UD_R_CH, UD_R_DH, UD_R_BH,
UD_R_SPL, UD_R_BPL, UD_R_SIL, UD_R_DIL,
UD_R_R8B, UD_R_R9B, UD_R_R10B, UD_R_R11B,
UD_R_R12B, UD_R_R13B, UD_R_R14B, UD_R_R15B,
/* 16 bit GPRs */
UD_R_AX, UD_R_CX, UD_R_DX, UD_R_BX,
UD_R_SP, UD_R_BP, UD_R_SI, UD_R_DI,
UD_R_R8W, UD_R_R9W, UD_R_R10W, UD_R_R11W,
UD_R_R12W, UD_R_R13W, UD_R_R14W, UD_R_R15W,
/* 32 bit GPRs */
UD_R_EAX, UD_R_ECX, UD_R_EDX, UD_R_EBX,
UD_R_ESP, UD_R_EBP, UD_R_ESI, UD_R_EDI,
UD_R_R8D, UD_R_R9D, UD_R_R10D, UD_R_R11D,
UD_R_R12D, UD_R_R13D, UD_R_R14D, UD_R_R15D,
/* 64 bit GPRs */
UD_R_RAX, UD_R_RCX, UD_R_RDX, UD_R_RBX,
UD_R_RSP, UD_R_RBP, UD_R_RSI, UD_R_RDI,
UD_R_R8, UD_R_R9, UD_R_R10, UD_R_R11,
UD_R_R12, UD_R_R13, UD_R_R14, UD_R_R15,
/* segment registers */
UD_R_ES, UD_R_CS, UD_R_SS, UD_R_DS,
UD_R_FS, UD_R_GS,
/* control registers*/
UD_R_CR0, UD_R_CR1, UD_R_CR2, UD_R_CR3,
UD_R_CR4, UD_R_CR5, UD_R_CR6, UD_R_CR7,
UD_R_CR8, UD_R_CR9, UD_R_CR10, UD_R_CR11,
UD_R_CR12, UD_R_CR13, UD_R_CR14, UD_R_CR15,
/* debug registers */
UD_R_DR0, UD_R_DR1, UD_R_DR2, UD_R_DR3,
UD_R_DR4, UD_R_DR5, UD_R_DR6, UD_R_DR7,
UD_R_DR8, UD_R_DR9, UD_R_DR10, UD_R_DR11,
UD_R_DR12, UD_R_DR13, UD_R_DR14, UD_R_DR15,
/* mmx registers */
UD_R_MM0, UD_R_MM1, UD_R_MM2, UD_R_MM3,
UD_R_MM4, UD_R_MM5, UD_R_MM6, UD_R_MM7,
/* x87 registers */
UD_R_ST0, UD_R_ST1, UD_R_ST2, UD_R_ST3,
UD_R_ST4, UD_R_ST5, UD_R_ST6, UD_R_ST7,
/* extended multimedia registers */
UD_R_XMM0, UD_R_XMM1, UD_R_XMM2, UD_R_XMM3,
UD_R_XMM4, UD_R_XMM5, UD_R_XMM6, UD_R_XMM7,
UD_R_XMM8, UD_R_XMM9, UD_R_XMM10, UD_R_XMM11,
UD_R_XMM12, UD_R_XMM13, UD_R_XMM14, UD_R_XMM15,
UD_R_RIP,
/* Operand Types */
UD_OP_REG, UD_OP_MEM, UD_OP_PTR, UD_OP_IMM,
UD_OP_JIMM, UD_OP_CONST
};
#include "itab.h"
union ud_lval {
int8_t sbyte;
uint8_t ubyte;
int16_t sword;
uint16_t uword;
int32_t sdword;
uint32_t udword;
int64_t sqword;
uint64_t uqword;
struct {
uint16_t seg;
uint32_t off;
} ptr;
};
/* -----------------------------------------------------------------------------
* struct ud_operand - Disassembled instruction Operand.
* -----------------------------------------------------------------------------
*/
struct ud_operand {
enum ud_type type;
uint8_t size;
enum ud_type base;
enum ud_type index;
uint8_t scale;
uint8_t offset;
union ud_lval lval;
/*
* internal use only
*/
uint64_t _legacy; /* this will be removed in 1.8 */
uint8_t _oprcode;
};
/* -----------------------------------------------------------------------------
* struct ud - The udis86 object.
* -----------------------------------------------------------------------------
*/
struct ud
{
/*
* input buffering
*/
int (*inp_hook) (struct ud*);
#ifndef __UD_STANDALONE__
FILE* inp_file;
#endif
const uint8_t* inp_buf;
size_t inp_buf_size;
size_t inp_buf_index;
uint8_t inp_curr;
size_t inp_ctr;
uint8_t inp_sess[64];
int inp_end;
void (*translator)(struct ud*);
uint64_t insn_offset;
char insn_hexcode[64];
/*
* Assembly output buffer
*/
char *asm_buf;
size_t asm_buf_size;
size_t asm_buf_fill;
char asm_buf_int[128];
/*
* Symbol resolver for use in the translation phase.
*/
const char* (*sym_resolver)(struct ud*, uint64_t addr, int64_t *offset);
uint8_t dis_mode;
uint64_t pc;
uint8_t vendor;
enum ud_mnemonic_code mnemonic;
struct ud_operand operand[3];
uint8_t error;
uint8_t pfx_rex;
uint8_t pfx_seg;
uint8_t pfx_opr;
uint8_t pfx_adr;
uint8_t pfx_lock;
uint8_t pfx_str;
uint8_t pfx_rep;
uint8_t pfx_repe;
uint8_t pfx_repne;
uint8_t opr_mode;
uint8_t adr_mode;
uint8_t br_far;
uint8_t br_near;
uint8_t have_modrm;
uint8_t modrm;
uint8_t primary_opcode;
void * user_opaque_data;
struct ud_itab_entry * itab_entry;
struct ud_lookup_table_list_entry *le;
};
/* -----------------------------------------------------------------------------
* Type-definitions
* -----------------------------------------------------------------------------
*/
typedef enum ud_type ud_type_t;
typedef enum ud_mnemonic_code ud_mnemonic_code_t;
typedef struct ud ud_t;
typedef struct ud_operand ud_operand_t;
#define UD_SYN_INTEL ud_translate_intel
#define UD_SYN_ATT ud_translate_att
#define UD_EOI (-1)
#define UD_INP_CACHE_SZ 32
#define UD_VENDOR_AMD 0
#define UD_VENDOR_INTEL 1
#define UD_VENDOR_ANY 2
#endif
/*
vim: set ts=2 sw=2 expandtab
*/
public/libudis86/udint.h
-89
View File
@@ -1,89 +0,0 @@
/* udis86 - libudis86/udint.h -- definitions for internal use only
*
* Copyright (c) 2002-2009 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _UDINT_H_
#define _UDINT_H_
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#if defined(UD_DEBUG) && HAVE_ASSERT_H
# include <assert.h>
# define UD_ASSERT(_x) assert(_x)
#else
# define UD_ASSERT(_x)
#endif /* !HAVE_ASSERT_H */
#if defined(UD_DEBUG)
#define UDERR(u, msg) \
do { \
(u)->error = 1; \
fprintf(stderr, "decode-error: %s:%d: %s", \
__FILE__, __LINE__, (msg)); \
} while (0)
#else
#define UDERR(u, m) \
do { \
(u)->error = 1; \
} while (0)
#endif /* !LOGERR */
#define UD_RETURN_ON_ERROR(u) \
do { \
if ((u)->error != 0) { \
return (u)->error; \
} \
} while (0)
#define UD_RETURN_WITH_ERROR(u, m) \
do { \
UDERR(u, m); \
return (u)->error; \
} while (0)
#ifndef __UD_STANDALONE__
# define UD_NON_STANDALONE(x) x
#else
# define UD_NON_STANDALONE(x)
#endif
/* printf formatting int64 specifier */
#ifdef FMT64
# undef FMT64
#endif
#if defined(_MSC_VER) || defined(__BORLANDC__)
# define FMT64 "I64"
#else
# if defined(__APPLE__)
# define FMT64 "ll"
# elif defined(__amd64__) || defined(__x86_64__)
# define FMT64 "l"
# else
# define FMT64 "ll"
# endif /* !x64 */
#endif
#endif /* _UDINT_H_ */
public/libudis86/udis86.c
-457
View File
@@ -1,457 +0,0 @@
/* udis86 - libudis86/udis86.c
*
* Copyright (c) 2002-2013 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "udint.h"
#include "extern.h"
#include "decode.h"
#if !defined(__UD_STANDALONE__)
# if HAVE_STRING_H
# include <string.h>
# endif
#endif /* !__UD_STANDALONE__ */
static void ud_inp_init(struct ud *u);
/* =============================================================================
* ud_init
* Initializes ud_t object.
* =============================================================================
*/
extern void
ud_init(struct ud* u)
{
memset((void*)u, 0, sizeof(struct ud));
ud_set_mode(u, 16);
u->mnemonic = UD_Iinvalid;
ud_set_pc(u, 0);
#ifndef __UD_STANDALONE__
ud_set_input_file(u, stdin);
#endif /* __UD_STANDALONE__ */
ud_set_asm_buffer(u, u->asm_buf_int, sizeof(u->asm_buf_int));
}
/* =============================================================================
* ud_disassemble
* Disassembles one instruction and returns the number of
* bytes disassembled. A zero means end of disassembly.
* =============================================================================
*/
extern unsigned int
ud_disassemble(struct ud* u)
{
int len;
if (u->inp_end) {
return 0;
}
if ((len = ud_decode(u)) > 0) {
if (u->translator != NULL) {
u->asm_buf[0] = '\0';
u->translator(u);
}
}
return len;
}
/* =============================================================================
* ud_set_mode() - Set Disassemly Mode.
* =============================================================================
*/
extern void
ud_set_mode(struct ud* u, uint8_t m)
{
switch(m) {
case 16:
case 32:
case 64: u->dis_mode = m ; return;
default: u->dis_mode = 16; return;
}
}
/* =============================================================================
* ud_set_vendor() - Set vendor.
* =============================================================================
*/
extern void
ud_set_vendor(struct ud* u, unsigned v)
{
switch(v) {
case UD_VENDOR_INTEL:
u->vendor = v;
break;
case UD_VENDOR_ANY:
u->vendor = v;
break;
default:
u->vendor = UD_VENDOR_AMD;
}
}
/* =============================================================================
* ud_set_pc() - Sets code origin.
* =============================================================================
*/
extern void
ud_set_pc(struct ud* u, uint64_t o)
{
u->pc = o;
}
/* =============================================================================
* ud_set_syntax() - Sets the output syntax.
* =============================================================================
*/
extern void
ud_set_syntax(struct ud* u, void (*t)(struct ud*))
{
u->translator = t;
}
/* =============================================================================
* ud_insn() - returns the disassembled instruction
* =============================================================================
*/
const char*
ud_insn_asm(const struct ud* u)
{
return u->asm_buf;
}
/* =============================================================================
* ud_insn_offset() - Returns the offset.
* =============================================================================
*/
uint64_t
ud_insn_off(const struct ud* u)
{
return u->insn_offset;
}
/* =============================================================================
* ud_insn_hex() - Returns hex form of disassembled instruction.
* =============================================================================
*/
const char*
ud_insn_hex(struct ud* u)
{
u->insn_hexcode[0] = 0;
if (!u->error) {
unsigned int i;
const unsigned char *src_ptr = ud_insn_ptr(u);
char* src_hex;
src_hex = (char*) u->insn_hexcode;
/* for each byte used to decode instruction */
for (i = 0; i < ud_insn_len(u) && i < sizeof(u->insn_hexcode) / 2;
++i, ++src_ptr) {
sprintf(src_hex, "%02x", *src_ptr & 0xFF);
src_hex += 2;
}
}
return u->insn_hexcode;
}
/* =============================================================================
* ud_insn_ptr
* Returns a pointer to buffer containing the bytes that were
* disassembled.
* =============================================================================
*/
extern const uint8_t*
ud_insn_ptr(const struct ud* u)
{
return (u->inp_buf == NULL) ?
u->inp_sess : u->inp_buf + (u->inp_buf_index - u->inp_ctr);
}
/* =============================================================================
* ud_insn_len
* Returns the count of bytes disassembled.
* =============================================================================
*/
extern unsigned int
ud_insn_len(const struct ud* u)
{
return u->inp_ctr;
}
/* =============================================================================
* ud_insn_get_opr
* Return the operand struct representing the nth operand of
* the currently disassembled instruction. Returns NULL if
* there's no such operand.
* =============================================================================
*/
const struct ud_operand*
ud_insn_opr(const struct ud *u, unsigned int n)
{
if (n > 2 || u->operand[n].type == UD_NONE) {
return NULL;
} else {
return &u->operand[n];
}
}
/* =============================================================================
* ud_opr_is_sreg
* Returns non-zero if the given operand is of a segment register type.
* =============================================================================
*/
int
ud_opr_is_sreg(const struct ud_operand *opr)
{
return opr->type == UD_OP_REG &&
opr->base >= UD_R_ES &&
opr->base <= UD_R_GS;
}
/* =============================================================================
* ud_opr_is_sreg
* Returns non-zero if the given operand is of a general purpose
* register type.
* =============================================================================
*/
int
ud_opr_is_gpr(const struct ud_operand *opr)
{
return opr->type == UD_OP_REG &&
opr->base >= UD_R_AL &&
opr->base <= UD_R_R15;
}
/* =============================================================================
* ud_set_user_opaque_data
* ud_get_user_opaque_data
* Get/set user opaqute data pointer
* =============================================================================
*/
void
ud_set_user_opaque_data(struct ud * u, void* opaque)
{
u->user_opaque_data = opaque;
}
void*
ud_get_user_opaque_data(const struct ud *u)
{
return u->user_opaque_data;
}
/* =============================================================================
* ud_set_asm_buffer
* Allow the user to set an assembler output buffer. If `buf` is NULL,
* we switch back to the internal buffer.
* =============================================================================
*/
void
ud_set_asm_buffer(struct ud *u, char *buf, size_t size)
{
if (buf == NULL) {
ud_set_asm_buffer(u, u->asm_buf_int, sizeof(u->asm_buf_int));
} else {
u->asm_buf = buf;
u->asm_buf_size = size;
}
}
/* =============================================================================
* ud_set_sym_resolver
* Set symbol resolver for relative targets used in the translation
* phase.
*
* The resolver is a function that takes a uint64_t address and returns a
* symbolic name for the that address. The function also takes a second
* argument pointing to an integer that the client can optionally set to a
* non-zero value for offsetted targets. (symbol+offset) The function may
* also return NULL, in which case the translator only prints the target
* address.
*
* The function pointer maybe NULL which resets symbol resolution.
* =============================================================================
*/
void
ud_set_sym_resolver(struct ud *u, const char* (*resolver)(struct ud*,
uint64_t addr,
int64_t *offset))
{
u->sym_resolver = resolver;
}
/* =============================================================================
* ud_insn_mnemonic
* Return the current instruction mnemonic.
* =============================================================================
*/
enum ud_mnemonic_code
ud_insn_mnemonic(const struct ud *u)
{
return u->mnemonic;
}
/* =============================================================================
* ud_lookup_mnemonic
* Looks up mnemonic code in the mnemonic string table.
* Returns NULL if the mnemonic code is invalid.
* =============================================================================
*/
const char*
ud_lookup_mnemonic(enum ud_mnemonic_code c)
{
if (c < UD_MAX_MNEMONIC_CODE) {
return ud_mnemonics_str[c];
} else {
return NULL;
}
}
/*
* ud_inp_init
* Initializes the input system.
*/
static void
ud_inp_init(struct ud *u)
{
u->inp_hook = NULL;
u->inp_buf = NULL;
u->inp_buf_size = 0;
u->inp_buf_index = 0;
u->inp_curr = 0;
u->inp_ctr = 0;
u->inp_end = 0;
UD_NON_STANDALONE(u->inp_file = NULL);
}
/* =============================================================================
* ud_inp_set_hook
* Sets input hook.
* =============================================================================
*/
void
ud_set_input_hook(register struct ud* u, int (*hook)(struct ud*))
{
ud_inp_init(u);
u->inp_hook = hook;
}
/* =============================================================================
* ud_inp_set_buffer
* Set buffer as input.
* =============================================================================
*/
void
ud_set_input_buffer(register struct ud* u, const uint8_t* buf, size_t len)
{
ud_inp_init(u);
u->inp_buf = buf;
u->inp_buf_size = len;
u->inp_buf_index = 0;
}
#ifndef __UD_STANDALONE__
/* =============================================================================
* ud_input_set_file
* Set FILE as input.
* =============================================================================
*/
static int
inp_file_hook(struct ud* u)
{
return fgetc(u->inp_file);
}
void
ud_set_input_file(register struct ud* u, FILE* f)
{
ud_inp_init(u);
u->inp_hook = inp_file_hook;
u->inp_file = f;
}
#endif /* __UD_STANDALONE__ */
/* =============================================================================
* ud_input_skip
* Skip n input bytes.
* ============================================================================
*/
void
ud_input_skip(struct ud* u, size_t n)
{
if (u->inp_end) {
return;
}
if (u->inp_buf == NULL) {
while (n--) {
int c = u->inp_hook(u);
if (c == UD_EOI) {
goto eoi;
}
}
return;
} else {
if (n > u->inp_buf_size ||
u->inp_buf_index > u->inp_buf_size - n) {
u->inp_buf_index = u->inp_buf_size;
goto eoi;
}
u->inp_buf_index += n;
return;
}
eoi:
u->inp_end = 1;
UDERR(u, "cannot skip, eoi received\b");
return;
}
/* =============================================================================
* ud_input_end
* Returns non-zero on end-of-input.
* =============================================================================
*/
int
ud_input_end(const struct ud *u)
{
return u->inp_end;
}
/* vim:set ts=2 sw=2 expandtab */
public/libudis86/udis86.h
-33
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@@ -1,33 +0,0 @@
/* udis86 - udis86.h
*
* Copyright (c) 2002-2009 Vivek Thampi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef UDIS86_H
#define UDIS86_H
#include "libudis86/types.h"
#include "libudis86/extern.h"
#include "libudis86/itab.h"
#endif
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