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Place function table after the executable.

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Skyth
2025-01-15 02:01:26 +03:00
parent 2cd41adf42
commit 7fb8af1bad
2 changed files with 28 additions and 4 deletions
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24
PowerRecomp/recompiler.cpp
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@@ -2390,6 +2390,30 @@ void Recompiler::Recompile(const std::filesystem::path& headerFilePath)
println(""); println("");
println("#define PPC_IMAGE_BASE 0x{:X}ull", image.base);
println("#define PPC_IMAGE_SIZE 0x{:X}ull", image.size);
// Extract the address of the minimum code segment to store the function table at.
size_t codeMin = ~0;
size_t codeMax = 0;
for (auto& section : image.sections)
{
if ((section.flags & SectionFlags_Code) != 0)
{
if (section.base < codeMin)
codeMin = section.base;
if ((section.base + section.size) > codeMax)
codeMax = (section.base + section.size);
}
}
println("#define PPC_CODE_BASE 0x{:X}ull", codeMin);
println("#define PPC_CODE_SIZE 0x{:X}ull", codeMax - codeMin);
println("");
println("#ifdef PPC_INCLUDE_DETAIL"); println("#ifdef PPC_INCLUDE_DETAIL");
println("#include \"ppc_detail.h\""); println("#include \"ppc_detail.h\"");
println("#endif"); println("#endif");

6
PowerUtils/ppc_context.h
View File

@@ -106,11 +106,11 @@
#endif #endif
#define PPC_MEMORY_SIZE 0x100000000ull #define PPC_MEMORY_SIZE 0x100000000ull
#define PPC_FUNC_TABLE_OFFSET PPC_MEMORY_SIZE
#define PPC_FUNC_TABLE_SIZE 0x200000000ull #define PPC_LOOKUP_FUNC(x, y) *(PPCFunc**)(x + PPC_IMAGE_BASE + PPC_IMAGE_SIZE + (uint64_t(uint32_t(y) - PPC_CODE_BASE) * 2))
#ifndef PPC_CALL_INDIRECT_FUNC #ifndef PPC_CALL_INDIRECT_FUNC
#define PPC_CALL_INDIRECT_FUNC(x) (*(PPCFunc**)(base + PPC_FUNC_TABLE_OFFSET + (uint64_t(x) * 2)))(ctx, base) #define PPC_CALL_INDIRECT_FUNC(x) (PPC_LOOKUP_FUNC(base, x))(ctx, base)
#endif #endif
typedef void PPCFunc(struct PPCContext& __restrict__ ctx, uint8_t* base); typedef void PPCFunc(struct PPCContext& __restrict__ ctx, uint8_t* base);