lysann/mach-detours
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This commit is contained in:
Lysann Tranvouez 2025-09-29 00:07:48 +02:00
parent 21cd133480
commit b78bf27449
2 changed files with 16 additions and 14 deletions
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24
src/arm64/detours_arm64.h
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@ -9,8 +9,8 @@
typedef struct detour_align
{
uint8_t obTarget;
uint8_t obTrampoline;
uint8_t obTarget;
uint8_t obTrampoline;
} detour_align;
typedef struct detour_trampoline
@ -39,15 +39,17 @@ typedef struct detour_trampoline
//
// The number is rounded up to 128. m_rbScratchDst should match this.
//
uint8_t rbCode[128]; // target code + jmp to pbRemain
uint8_t cbCode; // size of moved target code.
uint8_t cbCodeBreak[3]; // padding to make debugging easier.
uint8_t rbRestore[24]; // original target code.
uint8_t cbRestore; // size of original target code.
uint8_t cbRestoreBreak[3]; // padding to make debugging easier.
detour_align rAlign[8]; // instruction alignment array.
uint8_t* pbRemain; // first instruction after moved code. [free list]
uint8_t* pbDetour; // first instruction of detour function.
uint8_t code[128]; // target code + jmp to pbRemain
uint8_t code_size; // size of moved target code.
uint8_t code_padding[3]; // padding to make debugging easier.
uint8_t restore_code[24]; // original target code.
uint8_t restore_code_size; // size of original target code.
uint8_t restore_code_padding[3]; // padding to make debugging easier.
detour_align align[8]; // instruction alignment array.
uint8_t* ptr_remain; // first instruction after moved code. [free list]
uint8_t* ptr_detour; // first instruction of detour function.
} detour_trampoline;
static_assert(sizeof(detour_trampoline) == 192);