[llvm-commits] [compiler-rt] r169616 - in /compiler-rt/trunk/lib/asan: asan_intercepted_functions.h asan_interceptors.cc
Alexey Samsonov
samsonov at google.com
Fri Dec 7 09:54:38 PST 2012
Author: samsonov
Date: Fri Dec 7 11:54:38 2012
New Revision: 169616
URL: http://llvm.org/viewvc/llvm-project?rev=169616&view=rev
Log:
ASan: intercept prctl on Linux only
Modified:
compiler-rt/trunk/lib/asan/asan_intercepted_functions.h
compiler-rt/trunk/lib/asan/asan_interceptors.cc
Modified: compiler-rt/trunk/lib/asan/asan_intercepted_functions.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_intercepted_functions.h?rev=169616&r1=169615&r2=169616&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_intercepted_functions.h (original)
+++ compiler-rt/trunk/lib/asan/asan_intercepted_functions.h Fri Dec 7 11:54:38 2012
@@ -41,8 +41,10 @@
#if defined(__linux__)
# define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 1
+# define ASAN_INTERCEPT_PRCTL 1
#else
# define ASAN_USE_ALIAS_ATTRIBUTE_FOR_INDEX 0
+# define ASAN_INTERCEPT_PRCTL 0
#endif
#if !defined(__APPLE__)
Modified: compiler-rt/trunk/lib/asan/asan_interceptors.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/asan_interceptors.cc?rev=169616&r1=169615&r2=169616&view=diff
==============================================================================
--- compiler-rt/trunk/lib/asan/asan_interceptors.cc (original)
+++ compiler-rt/trunk/lib/asan/asan_interceptors.cc Fri Dec 7 11:54:38 2012
@@ -177,10 +177,11 @@
}
#endif
+#if ASAN_INTERCEPT_PRCTL
#define PR_SET_NAME 15
-
-INTERCEPTOR(int, prctl, int option, unsigned long arg2, unsigned long arg3,
- unsigned long arg4, unsigned long arg5) {
+INTERCEPTOR(int, prctl, int option,
+ unsigned long arg2, unsigned long arg3, // NOLINT
+ unsigned long arg4, unsigned long arg5) { // NOLINT
int res = REAL(prctl(option, arg2, arg3, arg4, arg5));
if (option == PR_SET_NAME) {
AsanThread *t = asanThreadRegistry().GetCurrent();
@@ -193,6 +194,7 @@
}
return res;
}
+#endif
#if ASAN_INTERCEPT___CXA_THROW
INTERCEPTOR(void, __cxa_throw, void *a, void *b, void *c) {
@@ -737,7 +739,9 @@
#if ASAN_INTERCEPT_SIGLONGJMP
ASAN_INTERCEPT_FUNC(siglongjmp);
#endif
+#if ASAN_INTERCEPT_PRCTL
ASAN_INTERCEPT_FUNC(prctl);
+#endif
// Intercept exception handling functions.
#if ASAN_INTERCEPT___CXA_THROW
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