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EmitX64/EmitPushRSB: Assert that patch location is of correct size

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This commit is contained in:
MerryMage 2016-08-13 00:52:31 +01:00
parent 960d14d18e
commit d43d97b990
1 changed files with 4 additions and 1 deletions
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5
src/backend_x64/emit_x64.cpp
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@ -343,8 +343,10 @@ void EmitX64::EmitPushRSB(IR::Block&, IR::Inst* inst) {
code->AND(32, R(rsb_index), Imm32(u32(JitState::RSBSize - 1)));
code->MOV(64, R(tmp), Imm64(imm64));
code->MOV(64, MComplex(R15, rsb_index, SCALE_1, offsetof(JitState, rsb_location_descriptors)), R(tmp));
patch_unique_hash_locations[imm64].emplace_back(code->GetCodePtr());
CodePtr patch_location = code->GetCodePtr();
patch_unique_hash_locations[imm64].emplace_back(patch_location);
code->MOV(64, R(tmp), Imm64(code_ptr)); // This line has to match up with EmitX64::Patch.
ASSERT((code->GetCodePtr() - patch_location) == 10);
code->MOV(64, MComplex(R15, rsb_index, SCALE_1, offsetof(JitState, rsb_codeptrs)), R(tmp));
code->ADD(32, R(rsb_index), Imm32(1));
code->MOV(32, MDisp(R15, offsetof(JitState, rsb_ptr)), R(rsb_index));
@ -1756,6 +1758,7 @@ void EmitX64::Patch(Arm::LocationDescriptor desc, CodePtr bb) {
for (CodePtr location : patch_unique_hash_locations[desc.UniqueHash()]) {
code->SetCodePtr(const_cast<u8*>(location));
code->MOV(64, R(RCX), Imm64(u64(bb)));
ASSERT((code->GetCodePtr() - location) == 10);
}
code->SetCodePtr(save_code_ptr);