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| author | Alexey Samsonov <samsonov@google.com> | 2012-11-23 10:14:44 +0000 |
|---|---|---|
| committer | Alexey Samsonov <samsonov@google.com> | 2012-11-23 10:14:44 +0000 |
| commit | aac36b345a27b0f939fe3d7c242defa53ccd16c0 (patch) | |
| tree | 1d8ecea19243413c7f09f3ef5d06052ca1e55dd3 /compiler-rt/lib/asan/asan_posix.cc | |
| parent | 0d7755ccb548337878fd075e9ecfc55341d16e35 (diff) | |
| download | bcm5719-llvm-aac36b345a27b0f939fe3d7c242defa53ccd16c0.tar.gz bcm5719-llvm-aac36b345a27b0f939fe3d7c242defa53ccd16c0.zip | |
[ASan] intercept swapcontext on Linux only
llvm-svn: 168509
Diffstat (limited to 'compiler-rt/lib/asan/asan_posix.cc')
| -rw-r--r-- | compiler-rt/lib/asan/asan_posix.cc | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/compiler-rt/lib/asan/asan_posix.cc b/compiler-rt/lib/asan/asan_posix.cc index 699af68123f..ceaf120fc80 100644 --- a/compiler-rt/lib/asan/asan_posix.cc +++ b/compiler-rt/lib/asan/asan_posix.cc @@ -27,7 +27,6 @@ #include <stdlib.h> #include <sys/time.h> #include <sys/resource.h> -#include <ucontext.h> #include <unistd.h> static const uptr kAltStackSize = SIGSTKSZ * 4; // SIGSTKSZ is not enough. @@ -96,17 +95,6 @@ void InstallSignalHandlers() { MaybeInstallSigaction(SIGBUS, ASAN_OnSIGSEGV); } -void ClearShadowMemoryForContext(void *context) { - ucontext_t *ucp = (ucontext_t*)context; - uptr sp = (uptr)ucp->uc_stack.ss_sp; - uptr size = ucp->uc_stack.ss_size; - // Align to page size. - uptr bottom = sp & ~(kPageSize - 1); - size += sp - bottom; - size = RoundUpTo(size, kPageSize); - PoisonShadow(bottom, size, 0); -} - // ---------------------- TSD ---------------- {{{1 static pthread_key_t tsd_key; |
