[compiler-rt] [TSan] Add support for Android (PR #147580)

[via llvm-commits]

================
@@ -527,40 +529,54 @@ static uptr UnmangleLongJmpSp(uptr mangled_sp) {
 #      error "Unknown platform"
 #    endif
 }
+#    endif  // !SANITIZER_ANDROID
 
-#if SANITIZER_NETBSD
-# ifdef __x86_64__
-#  define LONG_JMP_SP_ENV_SLOT 6
-# else
-#  error unsupported
-# endif
-#elif defined(__powerpc__)
-# define LONG_JMP_SP_ENV_SLOT 0
-#elif SANITIZER_FREEBSD
-# ifdef __aarch64__
-#  define LONG_JMP_SP_ENV_SLOT 1
-# else
-#  define LONG_JMP_SP_ENV_SLOT 2
-# endif
-#elif SANITIZER_LINUX
-# ifdef __aarch64__
-#  define LONG_JMP_SP_ENV_SLOT 13
-# elif defined(__loongarch__)
-#  define LONG_JMP_SP_ENV_SLOT 1
-# elif defined(__mips64)
-#  define LONG_JMP_SP_ENV_SLOT 1
+#    if SANITIZER_NETBSD
+#      ifdef __x86_64__
+#        define LONG_JMP_SP_ENV_SLOT 6
+#      else
+#        error unsupported
+#      endif
+#    elif defined(__powerpc__)
+#      define LONG_JMP_SP_ENV_SLOT 0
+#    elif SANITIZER_FREEBSD
+#      ifdef __aarch64__
+#        define LONG_JMP_SP_ENV_SLOT 1
+#      else
+#        define LONG_JMP_SP_ENV_SLOT 2
+#      endif
+#    elif SANITIZER_LINUX && !SANITIZER_ANDROID
+#      ifdef __aarch64__
+#        define LONG_JMP_SP_ENV_SLOT 13
+#      elif defined(__loongarch__)
+#        define LONG_JMP_SP_ENV_SLOT 1
+#      elif defined(__mips64)
+#        define LONG_JMP_SP_ENV_SLOT 1
 #      elif SANITIZER_RISCV64
 #        define LONG_JMP_SP_ENV_SLOT 13
 #      elif defined(__s390x__)
 #        define LONG_JMP_SP_ENV_SLOT 9
 #      else
 #        define LONG_JMP_SP_ENV_SLOT 6
 #      endif
-#endif
+#    elif SANITIZER_ANDROID
+#      ifdef __aarch64__
+#        define LONG_JMP_SP_ENV_SLOT 3
+#        define LONG_JMP_COOKIE_ENV_SLOT 0
+#      else
+#        error unsupported
+#      endif
+#    endif
 
 uptr ExtractLongJmpSp(uptr *env) {
   uptr mangled_sp = env[LONG_JMP_SP_ENV_SLOT];
+#    if SANITIZER_ANDROID
+  // This only works for Android arm64
----------------
enh-google wrote:

we use the same trick for x86-64 and riscv64 too, no?

https://github.com/llvm/llvm-project/pull/147580