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Merge pull request #55 from kobalicek/issue_53

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Fixed Issue #53
This commit is contained in:
Petr Kobalicek
2014-09-21 20:48:24 +02:00
parent 5185b555fe a7c501e1fe
commit 04c58c6fa2
1 changed files with 39 additions and 35 deletions
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70
src/asmjit/x86/x86assembler.cpp
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@@ -316,21 +316,21 @@ Error X86Assembler::embedLabel(const Label& op) {
uint8_t* cursor = getCursor();
LabelData* label = getLabelData(op.getId());
RelocData reloc;
RelocData rd;
#if !defined(ASMJIT_DISABLE_LOGGER)
if (_logger)
_logger->logFormat(kLoggerStyleData, regSize == 4 ? ".dd L%u\n" : ".dq L%u\n", op.getId());
#endif // !ASMJIT_DISABLE_LOGGER
reloc.type = kRelocRelToAbs;
reloc.size = regSize;
reloc.from = static_cast<Ptr>(getOffset());
reloc.data = 0;
rd.type = kRelocRelToAbs;
rd.size = regSize;
rd.from = static_cast<Ptr>(getOffset());
rd.data = 0;
if (label->offset != -1) {
// Bound label.
reloc.data = static_cast<Ptr>(static_cast<SignedPtr>(label->offset));
rd.data = static_cast<Ptr>(static_cast<SignedPtr>(label->offset));
}
else {
// Non-bound label. Need to chain.
@@ -344,7 +344,7 @@ Error X86Assembler::embedLabel(const Label& op) {
label->links = link;
}
if (_relocList.append(reloc) != kErrorOk)
if (_relocList.append(rd) != kErrorOk)
return setError(kErrorNoHeapMemory);
// Emit dummy intptr_t (4 or 8 bytes; depends on the address size).
@@ -495,22 +495,22 @@ size_t X86Assembler::_relocCode(void* _dst, Ptr baseAddress) const {
// Relocate all recorded locations.
size_t relocCount = _relocList.getLength();
const RelocData* relocData = _relocList.getData();
const RelocData* rdList = _relocList.getData();
for (size_t i = 0; i < relocCount; i++) {
const RelocData& r = relocData[i];
const RelocData& rd = rdList[i];
// Make sure that the `RelocData` is correct.
Ptr ptr = r.data;
Ptr ptr = rd.data;
size_t offset = static_cast<size_t>(r.from);
ASMJIT_ASSERT(offset + r.size <= static_cast<Ptr>(maxCodeSize));
size_t offset = static_cast<size_t>(rd.from);
ASMJIT_ASSERT(offset + rd.size <= static_cast<Ptr>(maxCodeSize));
// Whether to use trampoline, can be only used if relocation type is
// kRelocAbsToRel on 64-bit.
bool useTrampoline = false;
switch (r.type) {
switch (rd.type) {
case kRelocAbsToAbs:
break;
@@ -519,13 +519,13 @@ size_t X86Assembler::_relocCode(void* _dst, Ptr baseAddress) const {
break;
case kRelocAbsToRel:
ptr -= baseAddress + r.from + 4;
ptr -= baseAddress + rd.from + 4;
break;
case kRelocTrampoline:
ptr -= baseAddress + r.from + 4;
ptr -= baseAddress + rd.from + 4;
if (!IntUtil::isInt32(static_cast<SignedPtr>(ptr))) {
ptr = (Ptr)tramp - (baseAddress + r.from + 4);
ptr = (Ptr)tramp - (baseAddress + rd.from + 4);
useTrampoline = true;
}
break;
@@ -534,7 +534,7 @@ size_t X86Assembler::_relocCode(void* _dst, Ptr baseAddress) const {
ASMJIT_ASSERT(!"Reached");
}
switch (r.size) {
switch (rd.size) {
case 8:
*reinterpret_cast<int64_t*>(dst + offset) = static_cast<int64_t>(ptr);
break;
@@ -566,14 +566,14 @@ size_t X86Assembler::_relocCode(void* _dst, Ptr baseAddress) const {
dst[offset - 1] = byte1;
// Absolute address.
((uint64_t*)tramp)[0] = static_cast<uint64_t>(r.data);
((uint64_t*)tramp)[0] = static_cast<uint64_t>(rd.data);
// Advance trampoline pointer.
tramp += 8;
#if !defined(ASMJIT_DISABLE_LOGGER)
if (logger)
logger->logFormat(kLoggerStyleComment, "; Trampoline %llX\n", r.data);
logger->logFormat(kLoggerStyleComment, "; Trampoline %llX\n", rd.data);
#endif // !ASMJIT_DISABLE_LOGGER
}
}
@@ -3655,18 +3655,20 @@ _EmitSib:
label = self->getLabelData(rmMem->_vmem.base);
relocId = self->_relocList.getLength();
RelocData reloc;
reloc.type = kRelocRelToAbs;
reloc.size = 4;
reloc.from = static_cast<Ptr>((uintptr_t)(cursor - self->_buffer));
reloc.data = static_cast<SignedPtr>(dispOffset);
{
RelocData rd;
rd.type = kRelocRelToAbs;
rd.size = 4;
rd.from = static_cast<Ptr>((uintptr_t)(cursor - self->_buffer));
rd.data = static_cast<SignedPtr>(dispOffset);
if (self->_relocList.append(reloc) != kErrorOk)
if (self->_relocList.append(rd) != kErrorOk)
return self->setError(kErrorNoHeapMemory);
}
if (label->offset != -1) {
// Bound label.
reloc.data += static_cast<SignedPtr>(label->offset);
self->_relocList[relocId].data += static_cast<SignedPtr>(label->offset);
EMIT_DWORD(0);
}
else {
@@ -3925,18 +3927,20 @@ _EmitAvxV:
label = self->getLabelData(rmMem->_vmem.base);
relocId = self->_relocList.getLength();
RelocData reloc;
reloc.type = kRelocRelToAbs;
reloc.size = 4;
reloc.from = static_cast<Ptr>((uintptr_t)(cursor - self->_buffer));
reloc.data = static_cast<SignedPtr>(dispOffset);
{
RelocData rd;
rd.type = kRelocRelToAbs;
rd.size = 4;
rd.from = static_cast<Ptr>((uintptr_t)(cursor - self->_buffer));
rd.data = static_cast<SignedPtr>(dispOffset);
if (self->_relocList.append(reloc) != kErrorOk)
if (self->_relocList.append(rd) != kErrorOk)
return self->setError(kErrorNoHeapMemory);
}
if (label->offset != -1) {
// Bound label.
reloc.data += static_cast<SignedPtr>(label->offset);
self->_relocList[relocId].data += static_cast<SignedPtr>(label->offset);
EMIT_DWORD(0);
}
else {