Merge pull request #2 from gmh5225/dev

Support /FIXED
master
mike1k 2 years ago committed by GitHub
commit e8687c86f8
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GPG Key ID: 4AEE18F83AFDEB23

@ -37,11 +37,14 @@ X86BA_TEMPLATE void X86BinaryApplication<BitSize>::loadFromFile(std::string_view
_originalRelocs.clear(); _originalRelocs.clear();
_peFile.getRelocDir().forEachEntry( if (_peFile.getRelocDir().isPresent())
[this](pe::BlockEntry const& entry) {
{ _peFile.getRelocDir().forEachEntry(
_originalRelocs.insert(entry.getRva()); [this](pe::BlockEntry const& entry)
}); {
_originalRelocs.insert(entry.getRva());
});
}
// printf("* - Number of relocations: 0x%x\n", _originalRelocs.size()); // printf("* - Number of relocations: 0x%x\n", _originalRelocs.size());
} }
@ -714,7 +717,10 @@ X86BA_TEMPLATE bool X86BinaryApplication<BitSize>::transformRoutines()
} }
// Guesstimate.. Fix this.. // Guesstimate.. Fix this..
_peFile.getRelocDir().extend(((_routines.size() + 0x3) & ~0x3) * 0x100); if (_peFile.getRelocDir().isPresent())
{
_peFile.getRelocDir().extend(((_routines.size() + 0x3) & ~0x3) * 0x100);
}
for (auto& rtn : _routines) for (auto& rtn : _routines)
{ {
@ -856,36 +862,39 @@ X86BA_TEMPLATE void X86BinaryApplication<BitSize>::compile()
// //
// Append all relocations // Append all relocations
for (auto it = _relocBlocks.begin(); it != _relocBlocks.end(); ++it) if (_peFile.getRelocDir().isPresent())
{ {
u32 rva = it->first; for (auto it = _relocBlocks.begin(); it != _relocBlocks.end(); ++it)
std::vector<RelocationEntry> const &entries = it->second; {
u32 rva = it->first;
std::vector<RelocationEntry> const& entries = it->second;
if (entries.empty()) if (entries.empty())
continue; continue;
// Pad the amount of relocs to ensure 32bit alignment // Pad the amount of relocs to ensure 32bit alignment
size_t relocEntrySize = (entries.size() + 0x3) & ~0x3; size_t relocEntrySize = (entries.size() + 0x3) & ~0x3;
size_t numHandled = 0ull; size_t numHandled = 0ull;
// Create the BlockStream and add all relocatables. // Create the BlockStream and add all relocatables.
pe::BlockStream bs = _peFile.getRelocDir().createBlock(rva, relocEntrySize); pe::BlockStream bs = _peFile.getRelocDir().createBlock(rva, relocEntrySize);
if (!bs.valid()) if (!bs.valid())
continue; continue;
// printf("relocEntrySize: 0x%llx entries\n", relocEntrySize); // printf("relocEntrySize: 0x%llx entries\n", relocEntrySize);
for (auto& entry : entries) for (auto& entry : entries)
{ {
bs.append(entry.type, entry.offset); bs.append(entry.type, entry.offset);
++numHandled; ++numHandled;
} }
// Pad. // Pad.
for (size_t handled = numHandled; handled < relocEntrySize; ++handled) for (size_t handled = numHandled; handled < relocEntrySize; ++handled)
{ {
bs.append(pe::RelocationType::REL_BASED_ABSOLUTE, 0); bs.append(pe::RelocationType::REL_BASED_ABSOLUTE, 0);
}
} }
} }

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