diff options
Diffstat (limited to 'src/ARMJIT_x64/ARMJIT_LoadStore.cpp')
| -rw-r--r-- | src/ARMJIT_x64/ARMJIT_LoadStore.cpp | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/src/ARMJIT_x64/ARMJIT_LoadStore.cpp b/src/ARMJIT_x64/ARMJIT_LoadStore.cpp index 8b4e8fe..d80b25b 100644 --- a/src/ARMJIT_x64/ARMJIT_LoadStore.cpp +++ b/src/ARMJIT_x64/ARMJIT_LoadStore.cpp @@ -15,28 +15,24 @@ int squeezePointer(T* ptr) return truncated; } -s32 Compiler::RewriteMemAccess(u64 pc) +u8* Compiler::RewriteMemAccess(u8* pc) { - auto it = LoadStorePatches.find((u8*)pc); + auto it = LoadStorePatches.find(pc); if (it != LoadStorePatches.end()) { LoadStorePatch patch = it->second; LoadStorePatches.erase(it); - u8* curCodePtr = GetWritableCodePtr(); - u8* rewritePtr = (u8*)pc + (ptrdiff_t)patch.Offset; - SetCodePtr(rewritePtr); + //printf("rewriting memory access %p %d %d\n", (u8*)pc-ResetStart, patch.Offset, patch.Size); - CALL(patch.PatchFunc); - u32 remainingSize = patch.Size - (GetWritableCodePtr() - rewritePtr); + XEmitter emitter(pc + (ptrdiff_t)patch.Offset); + emitter.CALL(patch.PatchFunc); + ptrdiff_t remainingSize = (ptrdiff_t)patch.Size - 5; + assert(remainingSize >= 0); if (remainingSize > 0) - NOP(remainingSize); + emitter.NOP(remainingSize); - //printf("rewriting memory access %p %d %d\n", patch.PatchFunc, patch.Offset, patch.Size); - - SetCodePtr(curCodePtr); - - return patch.Offset; + return pc + (ptrdiff_t)patch.Offset; } printf("this is a JIT bug %llx\n", pc); @@ -192,6 +188,7 @@ void Compiler::Comp_MemAccess(int rd, int rn, const Op2& op2, int size, int flag u8* memopStart = GetWritableCodePtr(); LoadStorePatch patch; + assert(rdMapped.GetSimpleReg() >= 0 && rdMapped.GetSimpleReg() < 16); patch.PatchFunc = flags & memop_Store ? PatchedStoreFuncs[NDS::ConsoleType][Num][__builtin_ctz(size) - 3][rdMapped.GetSimpleReg()] : PatchedLoadFuncs[NDS::ConsoleType][Num][__builtin_ctz(size) - 3][!!(flags & memop_SignExtend)][rdMapped.GetSimpleReg()]; |