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Win32: Update Validate_SetPreferredAppMode for Arm64 24H2 #1765

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Jan 27, 2025
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Win32: Update Validate_SetPreferredAppMode for Arm64 24H2 #1765

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10 changes: 10 additions & 0 deletions bundles/org.eclipse.swt/Eclipse SWT PI/win32/library/os_custom.c
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Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,16 @@ BOOL Validate_SetPreferredAppMode(const BYTE* functionPtr)
return arg0 == arg1;
}

/* Win11 builds from 26100 */
if (((*(const DWORD*)(&functionPtr[0x00])) & 0x9F00001F) == 0x90000008 && // adrp x8,#...
((*(const DWORD*)(&functionPtr[0x04])) & 0xFF8003FF) == 0x91000108 && // add x8,x8,#...
*(const DWORD*)(&functionPtr[0x08]) == 0x2A0003E9 && // mov w9,w0
*(const DWORD*)(&functionPtr[0x0c]) == 0xB9400100 && // ldr w0,[x8]
*(const DWORD*)(&functionPtr[0x10]) == 0xB8E98109) // swpal w9,w9,[x8]
{
return TRUE;
}

return FALSE;
#else
#error Unsupported processor type
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