Author: anoopkg6
Date: 2025-11-26T16:45:13+01:00
New Revision: e8b9d4217046727845d107c6d4e4ff275e6ee1b4

URL: 
https://github.com/llvm/llvm-project/commit/e8b9d4217046727845d107c6d4e4ff275e6ee1b4
DIFF: 
https://github.com/llvm/llvm-project/commit/e8b9d4217046727845d107c6d4e4ff275e6ee1b4.diff

LOG: [tysan] Type Sanitizer support for SystemZ (#162396)

Type Sanitizer support for SystemZ.

Co-authored-by: anoopkg6 <[email protected]>

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/Linux.cpp
    compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
    compiler-rt/lib/tysan/tysan_platform.h

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/Linux.cpp 
b/clang/lib/Driver/ToolChains/Linux.cpp
index 020e7465548fe..843ade0da2d2e 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -922,7 +922,7 @@ SanitizerMask Linux::getSupportedSanitizers() const {
   if (IsX86_64 || IsMIPS64 || IsAArch64 || IsPowerPC64 || IsSystemZ ||
       IsLoongArch64 || IsRISCV64)
     Res |= SanitizerKind::Thread;
-  if (IsX86_64 || IsAArch64)
+  if (IsX86_64 || IsAArch64 || IsSystemZ)
     Res |= SanitizerKind::Type;
   if (IsX86_64 || IsSystemZ || IsPowerPC64)
     Res |= SanitizerKind::KernelMemory;

diff  --git a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake 
b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
index ca45d7bd2af7f..c3b9f2e0773a4 100644
--- a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
+++ b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
@@ -89,7 +89,7 @@ else()
   set(ALL_TSAN_SUPPORTED_ARCH ${X86_64} ${MIPS64} ${ARM64} ${PPC64} ${S390X}
       ${LOONGARCH64} ${RISCV64})
 endif()
-set(ALL_TYSAN_SUPPORTED_ARCH ${X86_64} ${ARM64})
+set(ALL_TYSAN_SUPPORTED_ARCH ${X86_64} ${ARM64} ${S390X})
 set(ALL_UBSAN_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${RISCV64}
     ${MIPS32} ${MIPS64} ${PPC64} ${S390X} ${SPARC} ${SPARCV9} ${HEXAGON}
     ${LOONGARCH64})

diff  --git a/compiler-rt/lib/tysan/tysan_platform.h 
b/compiler-rt/lib/tysan/tysan_platform.h
index 19f77f0cace6b..7d84ef228216d 100644
--- a/compiler-rt/lib/tysan/tysan_platform.h
+++ b/compiler-rt/lib/tysan/tysan_platform.h
@@ -45,6 +45,12 @@ struct Mapping48 {
   static const uptr kPtrShift = 3;
 };
 #define TYSAN_RUNTIME_VMA 1
+#elif defined(__s390x__)
+struct Mapping {
+  static const uptr kShadowAddr = 0x080000000000ULL;
+  static const uptr kAppAddr = 0x460000000000ULL;
+  static const uptr kAppMemMsk = ~0xC00000000000ULL;
+};
 #else
 #error "TySan not supported for this platform!"
 #endif


        
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