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[Memory/CPU] UWP: Support separate code execution and write memory, FromApp functions + other Windows memory fixes

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Triang3l
2020-11-24 22:18:50 +03:00
parent cabd28b9bb
commit a73592c2ef
15 changed files with 348 additions and 113 deletions
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18
src/xenia/cpu/backend/x64/x64_emitter.cc
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@@ -125,20 +125,26 @@ void* X64Emitter::Emplace(const EmitFunctionInfo& func_info,
// top_ points to the Xbyak buffer, and since we are in AutoGrow mode
// it has pending relocations. We copy the top_ to our buffer, swap the
// pointer, relocate, then return the original scratch pointer for use.
// top_ is used by Xbyak's ready() as both write base pointer and the absolute
// address base, which would not work on platforms not supporting writable
// executable memory, but Xenia doesn't use absolute label addresses in the
// generated code.
uint8_t* old_address = top_;
void* new_address;
void* new_execute_address;
void* new_write_address;
assert_true(func_info.code_size.total == size_);
if (function) {
new_address = code_cache_->PlaceGuestCode(function->address(), top_,
func_info, function);
code_cache_->PlaceGuestCode(function->address(), top_, func_info, function,
new_execute_address, new_write_address);
} else {
new_address = code_cache_->PlaceHostCode(0, top_, func_info);
code_cache_->PlaceHostCode(0, top_, func_info, new_execute_address,
new_write_address);
}
top_ = reinterpret_cast<uint8_t*>(new_address);
top_ = reinterpret_cast<uint8_t*>(new_write_address);
ready();
top_ = old_address;
reset();
return new_address;
return new_execute_address;
}
bool X64Emitter::Emit(HIRBuilder* builder, EmitFunctionInfo& func_info) {