flycast/core/rec-ARM64/arm64_unwind.h

44 lines
1.3 KiB
C++

/*
Copyright 2021 flyinghead
This file is part of Flycast.
Flycast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Flycast is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "oslib/oslib.h"
#include <aarch64/macro-assembler-aarch64.h>
using namespace vixl::aarch64;
class Arm64UnwindInfo : public UnwindInfo
{
public:
void saveReg(u32 offset, const Register& reg, int stackOffset) {
UnwindInfo::saveReg(offset, dwarfRegisterId(reg), stackOffset);
}
void saveReg(u32 offset, const VRegister& reg, int stackOffset) {
UnwindInfo::saveExtReg(offset, dwarfRegisterId(reg), stackOffset);
}
private:
int dwarfRegisterId(const CPURegister& reg)
{
verify(reg.Is64Bits());
if (reg.IsFPRegister())
return reg.GetCode() + 64;
else
return reg.GetCode();
}
};