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[x64] Fix prolog/epilog sizes for emitted functions.

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gibbed 2019-08-25 16:19:37 -05:00 committed by Rick Gibbed
parent c808b59834
commit c4ff8d7c58
1 changed files with 4 additions and 4 deletions
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8
src/xenia/cpu/backend/x64/x64_emitter.cc
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@ -186,6 +186,7 @@ bool X64Emitter::Emit(HIRBuilder* builder, EmitFunctionInfo& func_info) {
sub(rsp, (uint32_t)stack_size); sub(rsp, (uint32_t)stack_size);
code_offsets.prolog_stack_alloc = getSize(); code_offsets.prolog_stack_alloc = getSize();
code_offsets.body = getSize();
mov(qword[rsp + StackLayout::GUEST_CTX_HOME], GetContextReg()); mov(qword[rsp + StackLayout::GUEST_CTX_HOME], GetContextReg());
mov(qword[rsp + StackLayout::GUEST_RET_ADDR], rcx); mov(qword[rsp + StackLayout::GUEST_RET_ADDR], rcx);
@ -223,8 +224,6 @@ bool X64Emitter::Emit(HIRBuilder* builder, EmitFunctionInfo& func_info) {
mov(GetMembaseReg(), mov(GetMembaseReg(),
qword[GetContextReg() + offsetof(ppc::PPCContext, virtual_membase)]); qword[GetContextReg() + offsetof(ppc::PPCContext, virtual_membase)]);
code_offsets.body = getSize();
// Body. // Body.
auto block = builder->first_block(); auto block = builder->first_block();
while (block) { while (block) {
@ -253,13 +252,14 @@ bool X64Emitter::Emit(HIRBuilder* builder, EmitFunctionInfo& func_info) {
block = block->next; block = block->next;
} }
code_offsets.epilog = getSize();
// Function epilog. // Function epilog.
L(epilog_label); L(epilog_label);
epilog_label_ = nullptr; epilog_label_ = nullptr;
EmitTraceUserCallReturn(); EmitTraceUserCallReturn();
mov(GetContextReg(), qword[rsp + StackLayout::GUEST_CTX_HOME]); mov(GetContextReg(), qword[rsp + StackLayout::GUEST_CTX_HOME]);
code_offsets.epilog = getSize();
add(rsp, (uint32_t)stack_size); add(rsp, (uint32_t)stack_size);
ret(); ret();