[clang] [compiler-rt] [TySan] TySan support for SystemZ - Re-submission of original pr#162396 (PR #169850)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: None (anoopkg6)

<details>
<summary>Changes</summary>

This is a re-submission of original reverted patch [(#<!-- -->162396) ](https://github.com/llvm/llvm-project/pull/162396url)for adding TySan support for systemzZ along with build failure patch [#<!-- -->169746](https://github.com/llvm/llvm-project/pull/169746).

See conversations in #<!-- -->169746.

---
Full diff: https://github.com/llvm/llvm-project/pull/169850.diff


3 Files Affected:

- (modified) clang/lib/Driver/ToolChains/Linux.cpp (+1-1) 
- (modified) compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake (+1-1) 
- (modified) compiler-rt/lib/tysan/tysan_platform.h (+7) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index 2c741a38fce1a..cdbf21fb90263 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 c10367715396e..f2317de8916e9 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..96049c8d1c9a2 100644
--- a/compiler-rt/lib/tysan/tysan_platform.h
+++ b/compiler-rt/lib/tysan/tysan_platform.h
@@ -45,6 +45,13 @@ 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;
+  static const uptr kPtrShift = 3;
+};
 #else
 #error "TySan not supported for this platform!"
 #endif

``````````

</details>


https://github.com/llvm/llvm-project/pull/169850