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Implement Replace::Replace properly for aarch64 #110

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Implement Replace::Replace properly for aarch64 #110

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10 changes: 9 additions & 1 deletion HippoMocks/hippomocks.h
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ extern "C" __declspec(dllimport) void WINCALL DebugBreak();
#define SOME_ARM
#endif

#if defined(__x86_64__) || defined(_M_X64)
#if defined(__x86_64__) || defined(_M_X64) || defined(__aarch64__)
#define CMOCK_FUNC_PLATFORMIS64BIT
#endif

Expand Down Expand Up @@ -307,6 +307,12 @@ class Replace
Unprotect _allow_write(origFunc, sizeof(backupData));
memcpy(backupData, origFunc, sizeof(backupData));

#ifdef CMOCK_FUNC_PLATFORMIS64BIT
unsigned int *rawptr = (unsigned int *)origFunc;
rawptr[0] = 0x58000051;
rawptr[1] = 0xD61F0220;
*(long long*)(horrible_cast<intptr_t>(origFunc) + 8) = (long long)(horrible_cast<intptr_t>(replacement));
#else
unsigned int *rawptr = (unsigned int *)((intptr_t)(origFunc) & (~3));
if ((intptr_t)origFunc & 1) {
rawptr[0] = 0x6800A001;
Expand All @@ -317,6 +323,8 @@ class Replace
rawptr[1] = (intptr_t)replacement;
rawptr[2] = (intptr_t)replacement;
}
#endif

__clear_cache((char *)rawptr, (char *)rawptr+16);
#endif
}
Expand Down