[clang] 1d30afd - [PATCH] Enable targeting riscv64-linux-android

[via cfe-commits]

Author: Colin Cross
Date: 2023-03-23T13:33:52-07:00
New Revision: 1d30afdc2d97d348b971ae48716a0e79c6c5a29e

URL: https://github.com/llvm/llvm-project/commit/1d30afdc2d97d348b971ae48716a0e79c6c5a29e
DIFF: https://github.com/llvm/llvm-project/commit/1d30afdc2d97d348b971ae48716a0e79c6c5a29e.diff

LOG: [PATCH] Enable targeting riscv64-linux-android

Reviewers: ccross, asb, phosek, enh, srhines, hiraditya

Putting: https://android.googlesource.com/toolchain/llvm_android/+/refs/heads/master/patches/Enable-targeting-riscv64-linux-android.patch for review.

Differential Revision: https://reviews.llvm.org/D146560

Added: 
    

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

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/Linux.cpp b/clang/lib/Driver/ToolChains/Linux.cpp
index 848d7247c20c0..e25895fd0b636 100644
--- a/clang/lib/Driver/ToolChains/Linux.cpp
+++ b/clang/lib/Driver/ToolChains/Linux.cpp
@@ -126,6 +126,8 @@ std::string Linux::getMultiarchTriple(const Driver &D,
   case llvm::Triple::ppc64le:
     return "powerpc64le-linux-gnu";
   case llvm::Triple::riscv64:
+    if (IsAndroid)
+      return "riscv64-linux-android";
     return "riscv64-linux-gnu";
   case llvm::Triple::sparc:
     return "sparc-linux-gnu";

diff  --git a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
index e3fe5570de26a..99d672de4e882 100644
--- a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
+++ b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
@@ -42,7 +42,7 @@ if(OS_NAME MATCHES "Linux")
 elseif (OS_NAME MATCHES "Windows")
   set(ALL_FUZZER_SUPPORTED_ARCH ${X86} ${X86_64})
 elseif(OS_NAME MATCHES "Android")
-  set(ALL_FUZZER_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64})
+  set(ALL_FUZZER_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${RISCV64})
 else()
   set(ALL_FUZZER_SUPPORTED_ARCH ${X86_64} ${ARM64})
 endif()

diff  --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.h b/compiler-rt/lib/sanitizer_common/sanitizer_linux.h
index 2c769dd59aa09..c84c04a877594 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.h
@@ -152,6 +152,9 @@ inline void ReleaseMemoryPagesToOSAndZeroFill(uptr beg, uptr end) {
                "rdhwr   %0,$29\n" \
                ".set    pop\n" : "=r"(__v)); \
        __v; })
+#elif defined (__riscv)
+# define __get_tls() \
+    ({ void** __v; __asm__("mv %0, tp" : "=r"(__v)); __v; })
 #elif defined(__i386__)
 # define __get_tls() \
     ({ void** __v; __asm__("movl %%gs:0, %0" : "=r"(__v)); __v; })