Changes to support running tests for Windows arm64 asan

1. Differentiate SANITIZER_WINDOWS64 for x64 and arm64.
2. turn off interception tests that expect x86 assembly.

Author: farzonl

compiler-rt/lib/interception/interception_win.cpp

@@ -431,7 +431,8 @@ static uptr AllocateMemoryForTrampoline(uptr image_address, size_t size) {
 // The following prologues cannot be patched because of the short jump
 // jumping to the patching region.
 
-#if SANITIZER_WINDOWS64
+// Short jump patterns  below are only for x86_64.
+#if SANITIZER_WINDOWS_x64
 // ntdll!wcslen in Win11
 //   488bc1          mov     rax,rcx
 //   0fb710          movzx   edx,word ptr [rax]
@@ -462,7 +463,7 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
   return 4;
 #endif
 
-#if SANITIZER_WINDOWS64
+#if SANITIZER_WINDOWS_x64
   if (memcmp((u8*)address, kPrologueWithShortJump1,
              sizeof(kPrologueWithShortJump1)) == 0 ||
       memcmp((u8*)address, kPrologueWithShortJump2,
@@ -544,7 +545,7 @@ static size_t GetInstructionSize(uptr address, size_t* rel_offset = nullptr) {
       return 7;
   }
 
-#if SANITIZER_WINDOWS64
+#if SANITIZER_WINDOWS_x64
   switch (*(u8*)address) {
     case 0xA1:  // A1 XX XX XX XX XX XX XX XX :
                 //   movabs eax, dword ptr ds:[XXXXXXXX]

compiler-rt/lib/interception/tests/interception_win_test.cpp

@@ -15,8 +15,10 @@
 #include "gtest/gtest.h"
 
 // Too slow for debug build
+// Disabling for ARM64 since testcases are x86/x64 assembly.
 #if !SANITIZER_DEBUG
 #if SANITIZER_WINDOWS
+#if !SANITIZER_WINDOWS_ARM64
 
 #include <stdarg.h>
 
@@ -793,5 +795,6 @@ TEST(Interception, EmptyExportTable) {
 
 }  // namespace __interception
 
+#endif  // !SANITIZER_WINDOWS_ARM64
 #endif  // SANITIZER_WINDOWS
 #endif  // #if !SANITIZER_DEBUG

compiler-rt/lib/sanitizer_common/sanitizer_platform.h

@@ -260,6 +260,14 @@
 #  define SANITIZER_ARM64 0
 #endif
 
+#if SANITIZER_WINDOWS64 && SANITIZER_ARM64
+#  define SANITIZER_WINDOWS_ARM64 1
+#  define SANITIZER_WINDOWS_x64 0
+#else
+#  define SANITIZER_WINDOWS_ARM64 0
+#  define SANITIZER_WINDOWS_x64 1
+#endif
+
 #if SANITIZER_SOLARIS && SANITIZER_WORDSIZE == 32
 #  define SANITIZER_SOLARIS32 1
 #else