mirror of
https://github.com/KytyPS5/KytyPS5.git
synced 2026-10-20 02:47:02 +02:00
nmzik
43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
// SPDX-FileCopyrightText: Copyright 2026 shadPS4 Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#ifndef KYTY_LOADER_RED_ZONE_PATCHER_H_
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#define KYTY_LOADER_RED_ZONE_PATCHER_H_
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#include "common/common.h"
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#include <span>
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#include <vector>
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namespace Loader {
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struct RedZonePatchResult {
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uint64_t function_count = 0;
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uint64_t instruction_count = 0;
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uint64_t red_zone_function_count = 0;
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uint64_t memory_instruction_count = 0;
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uint64_t short_memory_instruction_count = 0;
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uint64_t patched_memory_instruction_count = 0;
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uint64_t stack_dependent_memory_instruction_count = 0;
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uint64_t control_flow_memory_instruction_count = 0;
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uint64_t unrelocatable_memory_instruction_count = 0;
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uint64_t indirect_red_zone_function_count = 0;
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uint64_t reciprocal_sqrt_instruction_count = 0;
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};
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void RegisterRedZonePatchModule(void* module_ptr, uint64_t module_size, void* trampoline_area_ptr,
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uint64_t trampoline_area_size);
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void UnregisterRedZonePatchModule(void* module_ptr);
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// Analyze and protect fault sites before replacing reciprocal roots with traps.
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RedZonePatchResult PatchGuestInstructions(uint64_t segment_addr, uint64_t segment_size,
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std::span<const uintptr_t> function_starts,
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bool protect_memory, bool emulate_rsqrt);
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bool DecodeEhFrameFunctionStarts(uint64_t eh_frame_header_addr, uint64_t eh_frame_header_size,
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std::vector<uintptr_t>* function_starts);
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} // namespace Loader
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#endif /* KYTY_LOADER_RED_ZONE_PATCHER_H_ */
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