[llvm-commits] [compiler-rt] r157388 - in /compiler-rt/trunk/lib: asan/asan_interceptors.cc asan/output_tests/heap-overflow.cc asan/output_tests/interception_failure_test-linux.cc asan/output_tests/interception_malloc_test-linux.cc asan/output_te
Dmitry Vyukov
dvyukov at google.com
Thu May 24 21:00:20 PDT 2012
On Thu, May 24, 2012 at 10:18 PM, Meador Inge <meadori at gmail.com> wrote:
> This commit broke the build. See inline.
>
> On Thu, May 24, 2012 at 8:54 AM, Dmitry Vyukov <dvyukov at google.com> wrote:
> > Author: dvyukov
> > Date: Thu May 24 08:54:31 2012
> > New Revision: 157388
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=157388&view=rev
> > Log:
> > asan/tsan: weak interceptors
> > The idea isthat asan/tsan can survive if user intercepts the same
> functions. At the same time user has an ability to call back into asan/tsan
> runtime. See the following tests for examples:
> > asan/output_tests/interception_failure_test-linux.cc
> > asan/output_tests/interception_test-linux.cc
> > asan/output_tests/interception_malloc_test-linux.cc
> >
> >
> > Added:
> >
> compiler-rt/trunk/lib/asan/output_tests/interception_failure_test-linux.cc
> (with props)
> >
> compiler-rt/trunk/lib/asan/output_tests/interception_malloc_test-linux.cc
> (with props)
> > compiler-rt/trunk/lib/asan/output_tests/interception_test-linux.cc
> (with props)
> > Modified:
> > compiler-rt/trunk/lib/asan/asan_interceptors.cc
> > compiler-rt/trunk/lib/asan/output_tests/heap-overflow.cc
> > compiler-rt/trunk/lib/asan/output_tests/strncpy-overflow.cc
> > compiler-rt/trunk/lib/asan/output_tests/test_output.sh
> > compiler-rt/trunk/lib/asan/output_tests/use-after-free.cc
> > compiler-rt/trunk/lib/interception/interception.h
> > compiler-rt/trunk/lib/interception/interception_linux.cc
> > compiler-rt/trunk/lib/interception/interception_linux.h
> > compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc
> >
> > 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=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/asan/asan_interceptors.cc (original)
> > +++ compiler-rt/trunk/lib/asan/asan_interceptors.cc Thu May 24 08:54:31
> 2012
> > @@ -743,6 +743,11 @@
> > }
> > #endif // ASAN_INTERCEPT_ATOLL_AND_STRTOLL
> >
> > +#define ASAN_INTERCEPT_FUNC(name) do { \
> > + if (!INTERCEPT_FUNCTION(name) && FLAG_v > 0) \
> > + Report("AddressSanitizer: failed to intercept '" #name "'\n"); \
> > + } while (0)
> > +
> > #if defined(_WIN32)
> > INTERCEPTOR_WINAPI(DWORD, CreateThread,
> > void* security, size_t stack_size,
> > @@ -758,7 +763,7 @@
> >
> > namespace __asan {
> > void InitializeWindowsInterceptors() {
> > - CHECK(INTERCEPT_FUNCTION(CreateThread));
> > + ASAN_INTERCEPT_FUNC(CreateThread);
> > }
> >
> > } // namespace __asan
> > @@ -771,65 +776,65 @@
> > CHECK(was_called_once == false);
> > was_called_once = true;
> > // Intercept mem* functions.
> > - CHECK(INTERCEPT_FUNCTION(memcmp));
> > - CHECK(INTERCEPT_FUNCTION(memmove));
> > - CHECK(INTERCEPT_FUNCTION(memset));
> > + ASAN_INTERCEPT_FUNC(memcmp);
> > + ASAN_INTERCEPT_FUNC(memmove);
> > + ASAN_INTERCEPT_FUNC(memset);
> > if (PLATFORM_HAS_DIFFERENT_MEMCPY_AND_MEMMOVE) {
> > - CHECK(INTERCEPT_FUNCTION(memcpy));
> > + ASAN_INTERCEPT_FUNC(memcpy);
> > } else {
> > REAL(memcpy) = REAL(memmove);
> > }
> >
> > // Intercept str* functions.
> > - CHECK(INTERCEPT_FUNCTION(strcat)); // NOLINT
> > - CHECK(INTERCEPT_FUNCTION(strchr));
> > - CHECK(INTERCEPT_FUNCTION(strcmp));
> > - CHECK(INTERCEPT_FUNCTION(strcpy)); // NOLINT
> > - CHECK(INTERCEPT_FUNCTION(strlen));
> > - CHECK(INTERCEPT_FUNCTION(strncmp));
> > - CHECK(INTERCEPT_FUNCTION(strncpy));
> > + ASAN_INTERCEPT_FUNC(strcat); // NOLINT
> > + ASAN_INTERCEPT_FUNC(strchr);
> > + ASAN_INTERCEPT_FUNC(strcmp);
> > + ASAN_INTERCEPT_FUNC(strcpy); // NOLINT
> > + ASAN_INTERCEPT_FUNC(strlen);
> > + ASAN_INTERCEPT_FUNC(strncmp);
> > + ASAN_INTERCEPT_FUNC(strncpy);
> > #if !defined(_WIN32)
> > - CHECK(INTERCEPT_FUNCTION(strcasecmp));
> > - CHECK(INTERCEPT_FUNCTION(strdup));
> > - CHECK(INTERCEPT_FUNCTION(strncasecmp));
> > + ASAN_INTERCEPT_FUNC(strcasecmp);
> > + ASAN_INTERCEPT_FUNC(strdup);
> > + ASAN_INTERCEPT_FUNC(strncasecmp);
> > # ifndef __APPLE__
> > - CHECK(INTERCEPT_FUNCTION(index));
> > + ASAN_INTERCEPT_FUNC(index);
> > # else
> > - CHECK(OVERRIDE_FUNCTION(index, WRAP(strchr)));
> > + CHECK(OVERRIDE_FUNCTION(index, WRAP(strchr));
>
> A right parenthesis was dropped here. I added it back to unwedge the
> build.
> Please make the correct fix if this line was meant to be changed to
> something else.
>
Ouch!
Thanks for fixing it!
>
> > # endif
> > #endif
> > #if ASAN_INTERCEPT_STRNLEN
> > - CHECK(INTERCEPT_FUNCTION(strnlen));
> > + ASAN_INTERCEPT_FUNC(strnlen);
> > #endif
> >
> > - CHECK(INTERCEPT_FUNCTION(atoi));
> > - CHECK(INTERCEPT_FUNCTION(atol));
> > - CHECK(INTERCEPT_FUNCTION(strtol));
> > + ASAN_INTERCEPT_FUNC(atoi);
> > + ASAN_INTERCEPT_FUNC(atol);
> > + ASAN_INTERCEPT_FUNC(strtol);
> > #if ASAN_INTERCEPT_ATOLL_AND_STRTOLL
> > - CHECK(INTERCEPT_FUNCTION(atoll));
> > - CHECK(INTERCEPT_FUNCTION(strtoll));
> > + ASAN_INTERCEPT_FUNC(atoll);
> > + ASAN_INTERCEPT_FUNC(strtoll);
> > #endif
> >
> > // Intecept signal- and jump-related functions.
> > - CHECK(INTERCEPT_FUNCTION(longjmp));
> > + ASAN_INTERCEPT_FUNC(longjmp);
> > #if ASAN_INTERCEPT_SIGNAL_AND_SIGACTION
> > - CHECK(INTERCEPT_FUNCTION(sigaction));
> > - CHECK(INTERCEPT_FUNCTION(signal));
> > + ASAN_INTERCEPT_FUNC(sigaction);
> > + ASAN_INTERCEPT_FUNC(signal);
> > #endif
> >
> > #if !defined(_WIN32)
> > - CHECK(INTERCEPT_FUNCTION(_longjmp));
> > + ASAN_INTERCEPT_FUNC(_longjmp);
> > INTERCEPT_FUNCTION(__cxa_throw);
> > # if !defined(__APPLE__)
> > // On Darwin siglongjmp tailcalls longjmp, so we don't want to
> intercept it
> > // there.
> > - CHECK(INTERCEPT_FUNCTION(siglongjmp));
> > + ASAN_INTERCEPT_FUNC(siglongjmp);
> > # endif
> > #endif
> >
> > // Intercept threading-related functions
> > #if !defined(_WIN32)
> > - CHECK(INTERCEPT_FUNCTION(pthread_create));
> > + ASAN_INTERCEPT_FUNC(pthread_create);
> > #endif
> >
> > // Some Windows-specific interceptors.
> >
> > Modified: compiler-rt/trunk/lib/asan/output_tests/heap-overflow.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/output_tests/heap-overflow.cc?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/asan/output_tests/heap-overflow.cc (original)
> > +++ compiler-rt/trunk/lib/asan/output_tests/heap-overflow.cc Thu May 24
> 08:54:31 2012
> > @@ -13,7 +13,7 @@
> > // Check-Common: {{0x.* is located 0 bytes to the right of 10-byte
> region}}
> > // Check-Common: {{allocated by thread T0 here:}}
> >
> > -// Check-Linux: {{ #0 0x.* in malloc}}
> > +// Check-Linux: {{ #0 0x.* in __xsan_malloc}}
> > // Check-Linux: {{ #1 0x.* in main .*heap-overflow.cc:[45]}}
> >
> > // Check-Darwin: {{ #0 0x.* in .*mz_malloc.*}}
> >
> > Added:
> compiler-rt/trunk/lib/asan/output_tests/interception_failure_test-linux.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/output_tests/interception_failure_test-linux.cc?rev=157388&view=auto
> >
> ==============================================================================
> > ---
> compiler-rt/trunk/lib/asan/output_tests/interception_failure_test-linux.cc
> (added)
> > +++
> compiler-rt/trunk/lib/asan/output_tests/interception_failure_test-linux.cc
> Thu May 24 08:54:31 2012
> > @@ -0,0 +1,17 @@
> > +#include <stdlib.h>
> > +#include <stdio.h>
> > +
> > +extern "C" long strtol(const char *nptr, char **endptr, int base) {
> > + fprintf(stderr, "my_strtol_interceptor\n");
> > + return 0;
> > +}
> > +
> > +int main() {
> > + char *x = (char*)malloc(10 * sizeof(char));
> > + free(x);
> > + return (int)strtol(x, 0, 10);
> > +}
> > +
> > +// Check-Common: my_strtol_interceptor
> > +// CHECK-NOT: heap-use-after-free
> > +
> >
> > Propchange:
> compiler-rt/trunk/lib/asan/output_tests/interception_failure_test-linux.cc
> >
> ------------------------------------------------------------------------------
> > svn:eol-style = LF
> >
> > Added:
> compiler-rt/trunk/lib/asan/output_tests/interception_malloc_test-linux.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/output_tests/interception_malloc_test-linux.cc?rev=157388&view=auto
> >
> ==============================================================================
> > ---
> compiler-rt/trunk/lib/asan/output_tests/interception_malloc_test-linux.cc
> (added)
> > +++
> compiler-rt/trunk/lib/asan/output_tests/interception_malloc_test-linux.cc
> Thu May 24 08:54:31 2012
> > @@ -0,0 +1,19 @@
> > +#include <stdlib.h>
> > +#include <stdio.h>
> > +#include <unistd.h>
> > +
> > +extern "C" void *__xsan_malloc(size_t size);
> > +extern "C" void *malloc(size_t size) {
> > + write(2, "malloc call\n", sizeof("malloc call\n") - 1);
> > + return __xsan_malloc(size);
> > +}
> > +
> > +int main() {
> > + char *x = (char*)malloc(10 * sizeof(char));
> > + free(x);
> > + return (int)strtol(x, 0, 10);
> > +}
> > +
> > +// Check-Common: malloc call
> > +// Check-Common: heap-use-after-free
> > +
> >
> > Propchange:
> compiler-rt/trunk/lib/asan/output_tests/interception_malloc_test-linux.cc
> >
> ------------------------------------------------------------------------------
> > svn:eol-style = LF
> >
> > Added: compiler-rt/trunk/lib/asan/output_tests/interception_test-linux.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/output_tests/interception_test-linux.cc?rev=157388&view=auto
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/asan/output_tests/interception_test-linux.cc
> (added)
> > +++ compiler-rt/trunk/lib/asan/output_tests/interception_test-linux.cc
> Thu May 24 08:54:31 2012
> > @@ -0,0 +1,18 @@
> > +#include <stdlib.h>
> > +#include <stdio.h>
> > +
> > +extern "C" long __xsan_strtol(const char *nptr, char **endptr, int
> base);
> > +extern "C" long strtol(const char *nptr, char **endptr, int base) {
> > + fprintf(stderr, "my_strtol_interceptor\n");
> > + return __xsan_strtol(nptr, endptr, base);
> > +}
> > +
> > +int main() {
> > + char *x = (char*)malloc(10 * sizeof(char));
> > + free(x);
> > + return (int)strtol(x, 0, 10);
> > +}
> > +
> > +// Check-Common: my_strtol_interceptor
> > +// Check-Common: heap-use-after-free
> > +
> >
> > Propchange:
> compiler-rt/trunk/lib/asan/output_tests/interception_test-linux.cc
> >
> ------------------------------------------------------------------------------
> > svn:eol-style = LF
> >
> > Modified: compiler-rt/trunk/lib/asan/output_tests/strncpy-overflow.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/output_tests/strncpy-overflow.cc?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/asan/output_tests/strncpy-overflow.cc
> (original)
> > +++ compiler-rt/trunk/lib/asan/output_tests/strncpy-overflow.cc Thu May
> 24 08:54:31 2012
> > @@ -9,13 +9,13 @@
> > }
> >
> > // Check-Common: {{WRITE of size 1 at 0x.* thread T0}}
> > -// Check-Linux: {{ #0 0x.* in strncpy}}
> > +// Check-Linux: {{ #0 0x.* in __xsan_strncpy}}
> > // Check-Darwin: {{ #0 0x.* in wrap_strncpy}}
> > // Check-Common: {{ #1 0x.* in main .*strncpy-overflow.cc:[78]}}
> > // Check-Common: {{0x.* is located 0 bytes to the right of 9-byte
> region}}
> > // Check-Common: {{allocated by thread T0 here:}}
> >
> > -// Check-Linux: {{ #0 0x.* in malloc}}
> > +// Check-Linux: {{ #0 0x.* in __xsan_malloc}}
> > // Check-Linux: {{ #1 0x.* in main .*strncpy-overflow.cc:6}}
> >
> > // Check-Darwin: {{ #0 0x.* in .*mz_malloc.*}}
> >
> > Modified: compiler-rt/trunk/lib/asan/output_tests/test_output.sh
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/output_tests/test_output.sh?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/asan/output_tests/test_output.sh (original)
> > +++ compiler-rt/trunk/lib/asan/output_tests/test_output.sh Thu May 24
> 08:54:31 2012
> > @@ -14,7 +14,7 @@
> > ./$1 2>&1 | $SYMBOLIZER 2> /dev/null | c++filt > $TMP_ASAN_REPORT
> > }
> >
> > -# check_program exe_file source_file check_prefix
> > +# check_program exe_file source_file check_prefixf
> > check_program() {
> > run_program $1
> > $FILE_CHECK $2 --check-prefix=$3 < $TMP_ASAN_REPORT
> > @@ -43,10 +43,14 @@
> > for b in 32 64; do
> > for O in 0 1 2 3; do
> > c=`basename $t .cc`
> > - if [[ "$c" == *"-so" ]]
> > - then
> > + if [[ "$c" == *"-so" ]]; then
> > continue
> > fi
> > + if [[ "$c" == *"-linux" ]]; then
> > + if [[ "$OS" != "Linux" ]]; then
> > + continue
> > + fi
> > + fi
> > c_so=$c-so
> > exe=$c.$b.O$O
> > so=$c.$b.O$O-so.so
> >
> > Modified: compiler-rt/trunk/lib/asan/output_tests/use-after-free.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/asan/output_tests/use-after-free.cc?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/asan/output_tests/use-after-free.cc (original)
> > +++ compiler-rt/trunk/lib/asan/output_tests/use-after-free.cc Thu May 24
> 08:54:31 2012
> > @@ -12,7 +12,7 @@
> > // Check-Common: {{0x.* is located 5 bytes inside of 10-byte region
> .0x.*,0x.*}}
> > // Check-Common: {{freed by thread T0 here:}}
> >
> > -// Check-Linux: {{ #0 0x.* in free}}
> > +// Check-Linux: {{ #0 0x.* in __xsan_free}}
> > // Check-Linux: {{ #1 0x.* in main .*use-after-free.cc:[45]}}
> >
> > // Check-Darwin: {{ #0 0x.* in .*mz_free.*}}
> > @@ -22,7 +22,7 @@
> >
> > // Check-Common: {{previously allocated by thread T0 here:}}
> >
> > -// Check-Linux: {{ #0 0x.* in malloc}}
> > +// Check-Linux: {{ #0 0x.* in __xsan_malloc}}
> > // Check-Linux: {{ #1 0x.* in main .*use-after-free.cc:3}}
> >
> > // Check-Darwin: {{ #0 0x.* in .*mz_malloc.*}}
> >
> > Modified: compiler-rt/trunk/lib/interception/interception.h
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/interception/interception.h?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/interception/interception.h (original)
> > +++ compiler-rt/trunk/lib/interception/interception.h Thu May 24
> 08:54:31 2012
> > @@ -61,20 +61,26 @@
> > // source file (to define a pointer to overriden function).
> >
> > // How it works:
> > -// To replace weak system functions on Linux we just need to declare
> functions
> > +// To replace system functions on Linux we just need to declare
> functions
> > // with same names in our library and then obtain the real function
> pointers
> > -// using dlsym(). This is not so on Mac OS, where the two-level
> namespace makes
> > +// using dlsym().
> > +// There is one complication. A user may also intercept some of the
> functions
> > +// we intercept. To resolve this we declare our interceptors with
> __xsan_
> > +// prefix, and then make actual interceptors weak aliases to __xsan_
> > +// functions.
> > +// This is not so on Mac OS, where the two-level namespace makes
> > // our replacement functions invisible to other libraries. This may be
> overcomed
> > // using the DYLD_FORCE_FLAT_NAMESPACE, but some errors loading the
> shared
> > -// libraries in Chromium were noticed when doing so.
> > -// Instead we use mach_override, a handy framework for patching
> functions at
> > -// runtime. To avoid possible name clashes, our replacement functions
> have
> > +// libraries in Chromium were noticed when doing so. Instead we use
> > +// mach_override, a handy framework for patching functions at runtime.
> > +// To avoid possible name clashes, our replacement functions have
> > // the "wrap_" prefix on Mac.
> >
> > #if defined(__APPLE__)
> > # define WRAP(x) wrap_##x
> > # define WRAPPER_NAME(x) "wrap_"#x
> > # define INTERCEPTOR_ATTRIBUTE
> > +# define DECLARE_WRAPPER(ret_type, convention, func, ...)
> > #elif defined(_WIN32)
> > # if defined(_DLL) // DLL CRT
> > # define WRAP(x) x
> > @@ -85,10 +91,14 @@
> > # define WRAPPER_NAME(x) "wrap_"#x
> > # define INTERCEPTOR_ATTRIBUTE
> > # endif
> > +# define DECLARE_WRAPPER(ret_type, convention, func, ...)
> > #else
> > -# define WRAP(x) x
> > -# define WRAPPER_NAME(x) #x
> > +# define WRAP(x) __xsan_ ## x
> > +# define WRAPPER_NAME(x) "__xsan_" #x
> > # define INTERCEPTOR_ATTRIBUTE __attribute__((visibility("default")))
> > +# define DECLARE_WRAPPER(ret_type, convention, func, ...) \
> > + extern "C" ret_type convention func(__VA_ARGS__) \
> > + __attribute__((weak, alias("__xsan_" #func), visibility("default")))
> > #endif
> >
> > #define PTR_TO_REAL(x) real_##x
> > @@ -125,6 +135,7 @@
> >
> > #define INTERCEPTOR_EX(ret_type, convention, func, ...) \
> > DEFINE_REAL_EX(ret_type, convention, func, __VA_ARGS__); \
> > + DECLARE_WRAPPER(ret_type, convention, func, __VA_ARGS__); \
> > extern "C" \
> > INTERCEPTOR_ATTRIBUTE \
> > ret_type convention WRAP(func)(__VA_ARGS__)
> >
> > Modified: compiler-rt/trunk/lib/interception/interception_linux.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/interception/interception_linux.cc?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/interception/interception_linux.cc (original)
> > +++ compiler-rt/trunk/lib/interception/interception_linux.cc Thu May 24
> 08:54:31 2012
> > @@ -18,9 +18,10 @@
> > #include <dlfcn.h> // for dlsym
> >
> > namespace __interception {
> > -bool GetRealFunctionAddress(const char *func_name, void **func_addr) {
> > +bool GetRealFunctionAddress(const char *func_name, void **func_addr,
> > + void *real, void *wrapper) {
> > *func_addr = dlsym(RTLD_NEXT, func_name);
> > - return (*func_addr != NULL);
> > + return real == wrapper;
> > }
> > } // namespace __interception
> >
> >
> > Modified: compiler-rt/trunk/lib/interception/interception_linux.h
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/interception/interception_linux.h?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/interception/interception_linux.h (original)
> > +++ compiler-rt/trunk/lib/interception/interception_linux.h Thu May 24
> 08:54:31 2012
> > @@ -23,11 +23,13 @@
> >
> > namespace __interception {
> > // returns true if a function with the given name was found.
> > -bool GetRealFunctionAddress(const char *func_name, void **func_addr);
> > +bool GetRealFunctionAddress(const char *func_name, void **func_addr,
> > + void *real, void *wrapper);
> > } // namespace __interception
> >
> > #define INTERCEPT_FUNCTION_LINUX(func) \
> > - ::__interception::GetRealFunctionAddress(#func, (void**)&REAL(func))
> > + ::__interception::GetRealFunctionAddress(#func,
> (void**)&REAL(func), \
> > + (void*)&(func), (void*)&WRAP(func))
> >
> > #endif // INTERCEPTION_LINUX_H
> > #endif // __linux__
> >
> > Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc
> > URL:
> http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc?rev=157388&r1=157387&r2=157388&view=diff
> >
> ==============================================================================
> > --- compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc (original)
> > +++ compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc Thu May 24
> 08:54:31 2012
> > @@ -32,7 +32,7 @@
> > static void StackStripMain(ReportStack *stack) {
> > ReportStack *last_frame = 0;
> > ReportStack *last_frame2 = 0;
> > - const char *prefix = "interception_wrap_";
> > + const char *prefix = "__xsan_";
> > uptr prefix_len = internal_strlen(prefix);
> > const char *path_prefix = flags()->strip_path_prefix;
> > uptr path_prefix_len = internal_strlen(path_prefix);
> >
> >
> > _______________________________________________
> > llvm-commits mailing list
> > llvm-commits at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
>
>
>
> --
> # Meador
>
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