Files
KytyPS5/src/loader/redZonePatcher.h
T
nmzik 26781e6fea fix(windows): add experimental guest red-zone protection.
Port the static instruction patcher from shadPS4.
2026-08-07 05:19:14 +02:00

40 lines
1.5 KiB
C++

// SPDX-FileCopyrightText: Copyright 2026 shadPS4 Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef KYTY_LOADER_RED_ZONE_PATCHER_H_
#define KYTY_LOADER_RED_ZONE_PATCHER_H_
#include "common/common.h"
#include <span>
#include <vector>
namespace Loader {
struct RedZonePatchResult {
uint64_t function_count = 0;
uint64_t instruction_count = 0;
uint64_t red_zone_function_count = 0;
uint64_t memory_instruction_count = 0;
uint64_t short_memory_instruction_count = 0;
uint64_t patched_memory_instruction_count = 0;
uint64_t stack_dependent_memory_instruction_count = 0;
uint64_t control_flow_memory_instruction_count = 0;
uint64_t unrelocatable_memory_instruction_count = 0;
uint64_t indirect_red_zone_function_count = 0;
};
void RegisterRedZonePatchModule(void* module_ptr, uint64_t module_size, void* trampoline_area_ptr,
uint64_t trampoline_area_size);
void UnregisterRedZonePatchModule(void* module_ptr);
RedZonePatchResult PatchRedZoneMemoryInstructions(uint64_t segment_addr, uint64_t segment_size,
std::span<const uintptr_t> function_starts);
bool DecodeEhFrameFunctionStarts(uint64_t eh_frame_header_addr, uint64_t eh_frame_header_size,
std::vector<uintptr_t>* function_starts);
} // namespace Loader
#endif /* KYTY_LOADER_RED_ZONE_PATCHER_H_ */