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[sanitizer] Intercept pthread_*attr_get*. 

llvm-svn: 211166
This commit is contained in:
Evgeniy Stepanov 2014-06-18 14:16:41 +00:00
parent 29e254f849
commit b87f1efc5f
6 changed files with 103 additions and 11 deletions
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83
compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
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@ -3294,19 +3294,26 @@ INTERCEPTOR(int, random_r, void *buf, u32 *result) {
// FIXME: under ASan the REAL() call below may write to freed memory and corrupt
// its metadata. See
// https://code.google.com/p/address-sanitizer/issues/detail?id=321.
#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET || \
SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSSCHED
#define INTERCEPTOR_PTHREAD_ATTR_GET(what, sz) \
INTERCEPTOR(int, pthread_attr_get##what, void *attr, void *r) { \
void *ctx; \
COMMON_INTERCEPTOR_ENTER(ctx, pthread_attr_get##what, attr, r); \
int res = REAL(pthread_attr_get##what)(attr, r); \
if (!res && r) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, r, sz); \
return res; \
#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET || \
SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSSCHED || \
SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GET || \
SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GET || \
SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GET || \
SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GET
#define INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(fn, sz) \
INTERCEPTOR(int, fn, void *attr, void *r) { \
void *ctx; \
COMMON_INTERCEPTOR_ENTER(ctx, fn, attr, r); \
int res = REAL(fn)(attr, r); \
if (!res && r) COMMON_INTERCEPTOR_WRITE_RANGE(ctx, r, sz); \
return res; \
}
#endif
#if SANITIZER_INTERCEPT_PTHREAD_ATTR_GET
#define INTERCEPTOR_PTHREAD_ATTR_GET(what, sz) \
INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_attr_get##what, sz)
INTERCEPTOR_PTHREAD_ATTR_GET(detachstate, sizeof(int))
INTERCEPTOR_PTHREAD_ATTR_GET(guardsize, sizeof(SIZE_T))
INTERCEPTOR_PTHREAD_ATTR_GET(schedparam, struct_sched_param_sz)
@ -3380,6 +3387,60 @@ INTERCEPTOR(int, pthread_attr_getaffinity_np, void *attr, SIZE_T cpusetsize,
#define INIT_PTHREAD_ATTR_GETAFFINITY_NP
#endif
#if SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GET
#define INTERCEPTOR_PTHREAD_MUTEXATTR_GET(what, sz) \
INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_mutexattr_get##what, sz)
INTERCEPTOR_PTHREAD_MUTEXATTR_GET(pshared, sizeof(int))
INTERCEPTOR_PTHREAD_MUTEXATTR_GET(type, sizeof(int))
INTERCEPTOR_PTHREAD_MUTEXATTR_GET(protocol, sizeof(int))
INTERCEPTOR_PTHREAD_MUTEXATTR_GET(prioceiling, sizeof(int))
INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust, sizeof(int))
INTERCEPTOR_PTHREAD_MUTEXATTR_GET(robust_np, sizeof(int))
#define INIT_PTHREAD_MUTEXATTR_GET \
COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getpshared); \
COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_gettype); \
COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprotocol); \
COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getprioceiling); \
COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust); \
COMMON_INTERCEPT_FUNCTION(pthread_mutexattr_getrobust_np);
#else
#define INIT_PTHREAD_MUTEXATTR_GET
#endif
#if SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GET
#define INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(what, sz) \
INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_rwlockattr_get##what, sz)
INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(pshared, sizeof(int))
INTERCEPTOR_PTHREAD_RWLOCKATTR_GET(kind_np, sizeof(int))
#define INIT_PTHREAD_RWLOCKATTR_GET \
COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getpshared); \
COMMON_INTERCEPT_FUNCTION(pthread_rwlockattr_getkind_np);
#else
#define INIT_PTHREAD_RWLOCKATTR_GET
#endif
#if SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GET
#define INTERCEPTOR_PTHREAD_CONDATTR_GET(what, sz) \
INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_condattr_get##what, sz)
INTERCEPTOR_PTHREAD_CONDATTR_GET(pshared, sizeof(int))
INTERCEPTOR_PTHREAD_CONDATTR_GET(clock, sizeof(__sanitizer_clockid_t))
#define INIT_PTHREAD_CONDATTR_GET \
COMMON_INTERCEPT_FUNCTION(pthread_condattr_getpshared); \
COMMON_INTERCEPT_FUNCTION(pthread_condattr_getclock);
#else
#define INIT_PTHREAD_CONDATTR_GET
#endif
#if SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GET
#define INTERCEPTOR_PTHREAD_BARRIERATTR_GET(what, sz) \
INTERCEPTOR_PTHREAD_OBJECT_ATTR_GET(pthread_barrierattr_get##what, sz)
INTERCEPTOR_PTHREAD_BARRIERATTR_GET(pshared, sizeof(int))
#define INIT_PTHREAD_BARRIERATTR_GET \
COMMON_INTERCEPT_FUNCTION(pthread_barrierattr_getpshared);
#else
#define INIT_PTHREAD_BARRIERATTR_GET
#endif
#if SANITIZER_INTERCEPT_TMPNAM
INTERCEPTOR(char *, tmpnam, char *s) {
void *ctx;
@ -4606,6 +4667,10 @@ static void InitializeCommonInterceptors() {
INIT_PTHREAD_ATTR_GET;
INIT_PTHREAD_ATTR_GETINHERITSCHED;
INIT_PTHREAD_ATTR_GETAFFINITY_NP;
INIT_PTHREAD_MUTEXATTR_GET;
INIT_PTHREAD_RWLOCKATTR_GET;
INIT_PTHREAD_CONDATTR_GET;
INIT_PTHREAD_BARRIERATTR_GET;
INIT_TMPNAM;
INIT_TMPNAM_R;
INIT_TEMPNAM;

4
compiler-rt/lib/sanitizer_common/sanitizer_platform_interceptors.h
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@ -163,6 +163,10 @@
#define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETINHERITSCHED \
SI_MAC || SI_LINUX_NOT_ANDROID
#define SANITIZER_INTERCEPT_PTHREAD_ATTR_GETAFFINITY_NP SI_LINUX_NOT_ANDROID
#define SANITIZER_INTERCEPT_PTHREAD_MUTEXATTR_GET SI_NOT_WINDOWS
#define SANITIZER_INTERCEPT_PTHREAD_RWLOCKATTR_GET SI_NOT_WINDOWS
#define SANITIZER_INTERCEPT_PTHREAD_CONDATTR_GET SI_NOT_WINDOWS
#define SANITIZER_INTERCEPT_PTHREAD_BARRIERATTR_GET SI_NOT_WINDOWS
#define SANITIZER_INTERCEPT_TMPNAM SI_NOT_WINDOWS
#define SANITIZER_INTERCEPT_TMPNAM_R SI_LINUX_NOT_ANDROID
#define SANITIZER_INTERCEPT_TEMPNAM SI_NOT_WINDOWS

1
compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
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@ -1058,6 +1058,7 @@ CHECK_SIZE_AND_OFFSET(shmid_ds, shm_nattch);
#endif
CHECK_TYPE_SIZE(clock_t);
CHECK_TYPE_SIZE(clockid_t);
#if !SANITIZER_ANDROID
CHECK_TYPE_SIZE(ifaddrs);

2
compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
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@ -440,6 +440,8 @@ namespace __sanitizer {
typedef long __sanitizer_clock_t;
#endif
typedef int __sanitizer_clockid_t;
#if SANITIZER_LINUX || SANITIZER_FREEBSD
#if defined(_LP64) || defined(__x86_64__) || defined(__powerpc__)
typedef unsigned __sanitizer___kernel_uid_t;

4
compiler-rt/lib/tsan/rtl/tsan_interceptors.cc
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@ -47,7 +47,7 @@ DECLARE_REAL(int, pthread_attr_getdetachstate, void *, void *)
extern "C" int pthread_attr_setstacksize(void *attr, uptr stacksize);
extern "C" int pthread_key_create(unsigned *key, void (*destructor)(void* v));
extern "C" int pthread_setspecific(unsigned key, const void *v);
extern "C" int pthread_mutexattr_gettype(void *a, int *type);
DECLARE_REAL(int, pthread_mutexattr_gettype, void *, void *)
extern "C" int pthread_yield();
extern "C" int pthread_sigmask(int how, const __sanitizer_sigset_t *set,
__sanitizer_sigset_t *oldset);
@ -1029,7 +1029,7 @@ TSAN_INTERCEPTOR(int, pthread_mutex_init, void *m, void *a) {
bool recursive = false;
if (a) {
int type = 0;
if (pthread_mutexattr_gettype(a, &type) == 0)
if (REAL(pthread_mutexattr_gettype)(a, &type) == 0)
recursive = (type == PTHREAD_MUTEX_RECURSIVE
|| type == PTHREAD_MUTEX_RECURSIVE_NP);
}

20
compiler-rt/test/sanitizer_common/TestCases/pthread_mutexattr_get.cc Normal file
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@ -0,0 +1,20 @@
// RUN: %clangxx -O0 %s -o %t && %run %t
// XFAIL: arm-linux-gnueabi
#include <assert.h>
#include <pthread.h>
int main(void) {
pthread_mutexattr_t ma;
int res = pthread_mutexattr_init(&ma);
assert(res == 0);
res = pthread_mutexattr_setpshared(&ma, 1);
assert(res == 0);
int pshared;
res = pthread_mutexattr_getpshared(&ma, &pshared);
assert(res == 0);
assert(pshared == 1);
res = pthread_mutexattr_destroy(&ma);
assert(res == 0);
return 0;
}