static InstTransResult translate_CALL32m(
NativeModulePtr natM,
BasicBlock *& block,
InstPtr ip,
MCInst &inst)
{
InstTransResult ret;
// is this an external call?
if( ip->has_ext_call_target() ) {
std::string s = ip->get_ext_call_target()->getSymbolName();
ret = doCallPCExtern(block, s);
// not external call, but some weird way of calling local function?
} else if( ip->has_call_tgt() ) {
ret = doCallPC(ip, block, ip->get_call_tgt(0));
}
// is this referencing global data?
else if( ip->is_data_offset() ) {
doCallM<32>(block, ip, STD_GLOBAL_OP(0));
ret = ContinueBlock;
// is this a simple address computation?
} else {
doCallM<32>(block, ip, ADDR(0));
ret = ContinueBlock;
}
return ret;
}
static InstTransResult translate_MOVoa (NativeModulePtr natM, BasicBlock *& block, InstPtr ip, MCInst &inst) {
InstTransResult ret;
Function *F = block->getParent();
// loading functions only available if its a 32-bit offset
if( ip->has_external_ref() && width == 32) {
Value *addrInt = getValueForExternal<32>(F->getParent(), ip, block);
TASSERT(addrInt != 0, "Could not get external data reference");
R_WRITE<width>(block, X86::EAX, addrInt);
return ContinueBlock;
//ret = doRMMov<32>(ip, block, addrInt, MCOperand::CreateReg(X86::EAX)) ;
}
else if( ip->has_call_tgt() && width == 32 ) {
Value *callback_fn = makeCallbackForLocalFunction(
block->getParent()->getParent(),
ip->get_call_tgt(0)
);
Value *addrInt = new PtrToIntInst(
callback_fn, llvm::Type::getInt32Ty(block->getContext()), "", block);
ret = doRMMov<32>(ip, block, addrInt, MCOperand::CreateReg(X86::EAX)) ;
}
else if( ip->is_data_offset() ) {
ret = doRMMov<width>(ip, block,
GLOBAL_DATA_OFFSET(block, natM, ip),
MCOperand::CreateReg(X86::EAX) );
} else {
Value *addrv = CONST_V<width>(block, OP(0).getImm());
ret = doRMMov<width>(ip, block, addrv, MCOperand::CreateReg(X86::EAX)) ;
}
return ret ;
}
static InstTransResult translate_LEA64_32r(NativeModulePtr natM, BasicBlock *&block, InstPtr ip, MCInst &inst) {
InstTransResult ret;
Function *F = block->getParent();
if( ip->has_call_tgt() ) {
Value *callback_fn = archMakeCallbackForLocalFunction(
block->getParent()->getParent(),
ip->get_call_tgt(0));
Value *addrInt = new PtrToIntInst(
callback_fn, llvm::Type::getInt32Ty(block->getContext()), "", block);
ret = doLeaV<32>(block, OP(0), addrInt);
} else if( ip->is_data_offset() ) {
ret = doLea<32>(ip, block, STD_GLOBAL_OP(1), OP(0));
} else {
ret = doLea<32>(ip, block, ADDR(1), OP(0));
}
return ret;
}
static InstTransResult translate_CALLpcrel32(NativeModulePtr natM, BasicBlock *& block, InstPtr ip, MCInst &inst) {
InstTransResult ret;
if( ip->has_ext_call_target() ) {
std::string s = ip->get_ext_call_target()->getSymbolName();
ret = doCallPCExtern(block, s);
}
else if (ip->has_call_tgt() ) {
int64_t off = (int64_t) ip->get_call_tgt(0);
ret = doCallPC(ip, block, off);
}
else {
int64_t off = (int64_t) OP(0).getImm();
ret = doCallPC(ip, block, ip->get_loc()+ip->get_len()+off);
}
return ret;
}
static InstTransResult translate_MOV32ri(NativeModulePtr natM, BasicBlock *& block, InstPtr ip, MCInst &inst) {
InstTransResult ret;
Function *F = block->getParent();
if( ip->has_call_tgt() ) {
Value *callback_fn = makeCallbackForLocalFunction(
block->getParent()->getParent(),
ip->get_call_tgt(0)
);
Value *addrInt = new PtrToIntInst(
callback_fn, llvm::Type::getInt32Ty(block->getContext()), "", block);
ret = doRIMovV<32>(ip, block,
addrInt,
OP(0) );
}
else if( ip->is_data_offset() ) {
ret = doRIMovV<32>(ip, block,
GLOBAL_DATA_OFFSET(block, natM, ip),
OP(0) );
} else {
ret = doRIMov<32>(ip, block, OP(1), OP(0)) ;
}
return ret ;
}
//GENERIC_TRANSLATION_32MI(MOV32mi,
// doMIMov<32>(ip, block, ADDR(0), OP(5)),
// doMIMov<32>(ip, block, STD_GLOBAL_OP(0), OP(5)),
// doMIMovV<32>(ip, block, ADDR_NOREF(0), GLOBAL_DATA_OFFSET(block, natM, ip))
// )
//
static InstTransResult translate_MOV32mi(NativeModulePtr natM, BasicBlock *&block, InstPtr ip, MCInst &inst) {
InstTransResult ret;
Function *F = block->getParent();
if( ip->has_call_tgt() ) {
Value *callback_fn = makeCallbackForLocalFunction(
block->getParent()->getParent(),
ip->get_call_tgt(0)
);
Value *addrInt = new PtrToIntInst(
callback_fn, llvm::Type::getInt32Ty(block->getContext()), "", block);
ret = doMIMovV<32>(ip, block, ADDR(0), addrInt);
}
else if( ip->is_data_offset() ) {
if( ip->get_reloc_offset() < OP(5).getOffset() ) {
doMIMov<32>(ip, block, STD_GLOBAL_OP(0), OP(5));
} else {
doMIMovV<32>(ip, block, ADDR_NOREF(0), GLOBAL_DATA_OFFSET(block, natM, ip));
}
ret = ContinueBlock;
} else {
ret = doMIMov<32>(ip, block, ADDR(0), OP(5));
}
return ret;
}