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Place function table after the executable.

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Skyth
2025-01-15 02:01:59 +03:00
parent 0e8dbe797b
commit 27a541b7a3
5 changed files with 12 additions and 9 deletions
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UnleashedRecomp/kernel/memory.cpp
+4 -4
View File
@@ -4,18 +4,18 @@
Memory::Memory()
{
#ifdef _WIN32
base = (uint8_t*)VirtualAlloc((void*)0x100000000ull, PPC_MEMORY_SIZE + PPC_FUNC_TABLE_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
base = (uint8_t*)VirtualAlloc((void*)0x100000000ull, PPC_MEMORY_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
if (base == nullptr)
base = (uint8_t*)VirtualAlloc(nullptr, PPC_MEMORY_SIZE + PPC_FUNC_TABLE_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
base = (uint8_t*)VirtualAlloc(nullptr, PPC_MEMORY_SIZE, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
DWORD oldProtect;
VirtualProtect(base, 4096, PAGE_NOACCESS, &oldProtect);
#else
base = (uint8_t*)mmap((void*)0x100000000ull, PPC_MEMORY_SIZE + PPC_FUNC_TABLE_SIZE, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
base = (uint8_t*)mmap((void*)0x100000000ull, PPC_MEMORY_SIZE, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
if (base == (uint8_t*)MAP_FAILED)
base = (uint8_t*)mmap(NULL, PPC_MEMORY_SIZE + PPC_FUNC_TABLE_SIZE, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
base = (uint8_t*)mmap(NULL, PPC_MEMORY_SIZE, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0);
mprotect(base, 4096, PROT_NONE);
#endif
UnleashedRecomp/kernel/memory.h
+2 -2
View File
@@ -34,12 +34,12 @@ struct Memory
PPCFunc* FindFunction(uint32_t guest) const noexcept
{
return *reinterpret_cast<PPCFunc**>(base + PPC_FUNC_TABLE_OFFSET + (uint64_t(guest) * 2));
return PPC_LOOKUP_FUNC(base, guest);
}
void InsertFunction(uint32_t guest, PPCFunc* host)
{
*reinterpret_cast<PPCFunc**>(base + PPC_FUNC_TABLE_OFFSET + (uint64_t(guest) * 2)) = host;
PPC_LOOKUP_FUNC(base, guest) = host;
}
};