[compiler-rt] 9339f68 - [compiler-rt] [tsan] [netbsd] Catch unsupported LONG_JMP_SP_ENV_SLOT

[Kamil Rytarowski via llvm-commits]

Author: Kamil Rytarowski
Date: 2020-09-17T16:28:11+02:00
New Revision: 9339f68f21facc34fb0901045d571c818e1fa84a

URL: https://github.com/llvm/llvm-project/commit/9339f68f21facc34fb0901045d571c818e1fa84a
DIFF: https://github.com/llvm/llvm-project/commit/9339f68f21facc34fb0901045d571c818e1fa84a.diff

LOG: [compiler-rt] [tsan] [netbsd] Catch unsupported LONG_JMP_SP_ENV_SLOT

Error out during build for unsupported CPU.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D87602

Added: 
    

Modified: 
    compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp

Removed: 
    


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diff  --git a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
index 645152a06c39..710e7ec97b70 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
+++ b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cpp
@@ -384,12 +384,16 @@ static uptr UnmangleLongJmpSp(uptr mangled_sp) {
 #endif
 }
 
-#ifdef __powerpc__
+#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
 # define LONG_JMP_SP_ENV_SLOT 2
-#elif SANITIZER_NETBSD
-# define LONG_JMP_SP_ENV_SLOT 6
 #elif SANITIZER_LINUX
 # ifdef __aarch64__
 #  define LONG_JMP_SP_ENV_SLOT 13