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authorSam Elliott <selliott@lowrisc.org>2019-10-17 16:36:27 +0000
committerSam Elliott <selliott@lowrisc.org>2019-10-17 16:36:27 +0000
commita1b9a6b625e4e9c6e562d8fb02f76966dda2c577 (patch)
treecd397fd982de2ae4d61774f6c9859e7fa7e4c0b9 /lib/sanitizer_common/sanitizer_linux.cpp
parent9729ecdb6e3c00c6a432ba9d05916d14c6fde0de (diff)
downloadcompiler-rt-a1b9a6b625e4e9c6e562d8fb02f76966dda2c577.tar.gz
[Sanitizers] Add support for RISC-V 64-bit
Summary: This has been tested with gcc trunk on openSUSE Tumbleweed on the HiFive Unleashed. Patch by Andreas Schwab (schwab) Reviewers: luismarques Reviewed By: luismarques Subscribers: mhorne, emaste, luismarques, asb, mgorny, fedor.sergeev, simoncook, kito-cheng, shiva0217, rogfer01, rkruppe, lenary, s.egerton, #sanitizers, llvm-commits Tags: #llvm, #sanitizers Differential Revision: https://reviews.llvm.org/D66870 git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@375132 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/sanitizer_common/sanitizer_linux.cpp')
-rw-r--r--lib/sanitizer_common/sanitizer_linux.cpp10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/sanitizer_common/sanitizer_linux.cpp b/lib/sanitizer_common/sanitizer_linux.cpp
index 0b53da6c3..3807a79b1 100644
--- a/lib/sanitizer_common/sanitizer_linux.cpp
+++ b/lib/sanitizer_common/sanitizer_linux.cpp
@@ -407,7 +407,10 @@ uptr internal_unlink(const char *path) {
}
uptr internal_rename(const char *oldpath, const char *newpath) {
-#if SANITIZER_USES_CANONICAL_LINUX_SYSCALLS || SANITIZER_OPENBSD
+#if defined(__riscv)
+ return internal_syscall(SYSCALL(renameat2), AT_FDCWD, (uptr)oldpath, AT_FDCWD,
+ (uptr)newpath, 0);
+#elif SANITIZER_USES_CANONICAL_LINUX_SYSCALLS || SANITIZER_OPENBSD
return internal_syscall(SYSCALL(renameat), AT_FDCWD, (uptr)oldpath, AT_FDCWD,
(uptr)newpath);
#else
@@ -1972,6 +1975,11 @@ static void GetPcSpBp(void *context, uptr *pc, uptr *sp, uptr *bp) {
# endif
*bp = ucontext->uc_mcontext.gregs[11];
*sp = ucontext->uc_mcontext.gregs[15];
+#elif defined(__riscv)
+ ucontext_t *ucontext = (ucontext_t*)context;
+ *pc = ucontext->uc_mcontext.__gregs[REG_PC];
+ *bp = ucontext->uc_mcontext.__gregs[REG_S0];
+ *sp = ucontext->uc_mcontext.__gregs[REG_SP];
#else
# error "Unsupported arch"
#endif