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Define xbox exports on load

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This commit is contained in:
Sajid
2024-09-24 16:02:41 +06:00
parent 9a7caef9af
commit f6d7c97986
3 changed files with 2717 additions and 0 deletions
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32
PowerUtils/xex.cpp
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@@ -2,6 +2,20 @@
#include "image.h"
#include <cassert>
#include <vector>
#include <unordered_map>
#define STRINGIFY(X) #X
#define XE_EXPORT(MODULE, ORDINAL, NAME, TYPE) { (ORDINAL), STRINGIFY(NAME) }
std::unordered_map<size_t, const char*> XamExports =
{
#include "xbox/xam_table.inc"
};
std::unordered_map<size_t, const char*> XboxKernelExports =
{
#include "xbox/xboxkrnl_table.inc"
};
Image Xex2LoadImage(const uint8_t* data)
{
@@ -96,6 +110,18 @@ Image Xex2LoadImage(const uint8_t* data)
for (size_t i = 0; i < stringTable.size(); i++)
{
auto* descriptors = (XEX_IMPORT_DESCRIPTOR*)(library + 1);
static std::unordered_map<size_t, const char*> DummyExports;
const std::unordered_map<size_t, const char*>* names = &DummyExports;
if (stringTable[i] == "xam.xex")
{
names = &XamExports;
}
else if (stringTable[i] == "xboxkrnl.exe")
{
names = &XboxKernelExports;
}
for (size_t im = 0; im < library->NumberOfImports; im++)
{
auto originalThunk = (XEX_THUNK_DATA*)image.Find(descriptors[im].FirstThunk);
@@ -104,6 +130,12 @@ Image Xex2LoadImage(const uint8_t* data)
if (thunkType != 0)
{
uint32_t thunk[4] = { 0x00000060, 0x00000060, 0x00000060, 0x2000804E };
auto name = names->find(originalThunk->OriginalData.Ordinal);
if (name != names->end())
{
image.symbols.emplace(name->second, descriptors[im].FirstThunk, sizeof(thunk), Symbol_Function);
}
memcpy(originalThunk, thunk, sizeof(thunk));
}
}