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loader: add INSERTQ RDPID and CLWB fallbacks

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Co-authored-by: nomolao2-cell <nomolao2@gmail.com>
This commit is contained in:
nmzik
2026-10-03 20:13:58 +04:00
parent a4d26cf81a
commit 19a9464b7d
6 changed files with 667 additions and 107 deletions
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src/loader/guestInstructionPatcher.h
+15 -3
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@@ -11,6 +11,14 @@
namespace Loader {
struct GuestInstructionHostFeatures {
bool sse4a = false;
bool rdpid = false;
bool clwb = false;
};
GuestInstructionHostFeatures GetGuestInstructionHostFeatures();
struct InstructionPatchCounts {
uint64_t found = 0;
uint64_t native = 0;
@@ -39,6 +47,9 @@ struct GuestInstructionPatchResult {
uint64_t indirect_red_zone_function_count = 0;
InstructionPatchCounts reciprocal_sqrt;
InstructionPatchCounts extrq;
InstructionPatchCounts insertq;
InstructionPatchCounts rdpid;
InstructionPatchCounts clwb;
};
void RegisterGuestInstructionPatchModule(void* module_ptr, uint64_t module_size,
@@ -46,9 +57,10 @@ void RegisterGuestInstructionPatchModule(void* module_ptr, uint64_t module_size,
void UnregisterGuestInstructionPatchModule(void* module_ptr);
// Apply enabled instruction fixes using native trampolines or safe trap fallbacks.
GuestInstructionPatchResult PatchGuestInstructions(uint64_t segment_addr, uint64_t segment_size,
std::span<const uintptr_t> function_starts,
bool protect_memory, bool emulate_amd);
GuestInstructionPatchResult PatchGuestInstructions(
uint64_t segment_addr, uint64_t segment_size, std::span<const uintptr_t> function_starts,
bool protect_memory, bool emulate_amd,
GuestInstructionHostFeatures host_features = GetGuestInstructionHostFeatures());
bool DecodeEhFrameFunctionStarts(uint64_t eh_frame_header_addr, uint64_t eh_frame_header_size,
std::vector<uintptr_t>* function_starts);