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Implement xex imports

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This commit is contained in:
Sajid
2024-09-13 16:13:19 +06:00
parent cc212f4058
commit 5cef220e9f
2 changed files with 81 additions and 3 deletions
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33
PowerUtils/xex.cpp
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@@ -1,6 +1,7 @@
#include "xex.h"
#include "image.h"
#include <cassert>
#include <vector>
Image Xex2LoadImage(const uint8_t* data)
{
@@ -79,5 +80,35 @@ Image Xex2LoadImage(const uint8_t* data)
section.Misc.VirtualSize, flags, image.data.get() + section.VirtualAddress);
}
auto* imports = Xex2FindOptionalHeader<XEX_IMPORT_HEADER>(header, XEX_HEADER_IMPORT_LIBRARIES);
if (imports != nullptr)
{
std::vector<std::string_view> stringTable;
auto* pStrTable = reinterpret_cast<const char*>(imports + 1);
for (size_t i = 0; i < imports->NumImports; i++)
{
stringTable.emplace_back(pStrTable);
pStrTable += strlen(pStrTable) + 1;
}
auto* library = (XEX_IMPORT_LIBRARY*)(((char*)imports) + sizeof(XEX_IMPORT_HEADER) + imports->SizeOfStringTable);
for (size_t i = 0; i < stringTable.size(); i++)
{
auto* descriptors = (XEX_IMPORT_DESCRIPTOR*)(library + 1);
for (size_t im = 0; im < library->NumberOfImports; im++)
{
auto originalThunk = (XEX_THUNK_DATA*)image.Find(descriptors[im].FirstThunk);
auto thunkType = originalThunk->Function >> 24;
if (thunkType == 1)
{
uint32_t thunk[4] = { 0x00000060, 0x00000060, 0x00000060, 0x2000804E };
memcpy(originalThunk, thunk, sizeof(thunk));
}
}
}
}
return image;
}
}