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| author | Martin Liska <mliska@suse.cz> | 2022-05-05 12:52:44 +0200 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2023-04-26 15:51:57 +0200 |
| commit | 21d356706880503fc9a2691efc51febf0dec0dfe (patch) | |
| tree | 62bf1bbb73d27453f19eafd973f1dffe3770e89c /libsanitizer/asan | |
| parent | d53b3d94aaf211ffb2159614f5aaaf03ceb861cc (diff) | |
| download | gcc-21d356706880503fc9a2691efc51febf0dec0dfe.zip gcc-21d356706880503fc9a2691efc51febf0dec0dfe.tar.gz gcc-21d356706880503fc9a2691efc51febf0dec0dfe.tar.bz2 | |
libsanitizer: Apply local patches
Diffstat (limited to 'libsanitizer/asan')
| -rw-r--r-- | libsanitizer/asan/asan_globals.cpp | 19 | ||||
| -rw-r--r-- | libsanitizer/asan/asan_interceptors.h | 7 | ||||
| -rw-r--r-- | libsanitizer/asan/asan_mapping.h | 2 |
3 files changed, 7 insertions, 21 deletions
diff --git a/libsanitizer/asan/asan_globals.cpp b/libsanitizer/asan/asan_globals.cpp index 4d391cb..01a2439 100644 --- a/libsanitizer/asan/asan_globals.cpp +++ b/libsanitizer/asan/asan_globals.cpp @@ -158,23 +158,6 @@ static void CheckODRViolationViaIndicator(const Global *g) { } } -// Check ODR violation for given global G by checking if it's already poisoned. -// We use this method in case compiler doesn't use private aliases for global -// variables. -static void CheckODRViolationViaPoisoning(const Global *g) { - if (__asan_region_is_poisoned(g->beg, g->size_with_redzone)) { - // This check may not be enough: if the first global is much larger - // the entire redzone of the second global may be within the first global. - for (ListOfGlobals *l = list_of_all_globals; l; l = l->next) { - if (g->beg == l->g->beg && - (flags()->detect_odr_violation >= 2 || g->size != l->g->size) && - !IsODRViolationSuppressed(g->name)) - ReportODRViolation(g, FindRegistrationSite(g), - l->g, FindRegistrationSite(l->g)); - } - } -} - // Clang provides two different ways for global variables protection: // it can poison the global itself or its private alias. In former // case we may poison same symbol multiple times, that can help us to @@ -220,8 +203,6 @@ static void RegisterGlobal(const Global *g) { // where two globals with the same name are defined in different modules. if (UseODRIndicator(g)) CheckODRViolationViaIndicator(g); - else - CheckODRViolationViaPoisoning(g); } if (CanPoisonMemory()) PoisonRedZones(*g); diff --git a/libsanitizer/asan/asan_interceptors.h b/libsanitizer/asan/asan_interceptors.h index c4bf087..9a6c22c 100644 --- a/libsanitizer/asan/asan_interceptors.h +++ b/libsanitizer/asan/asan_interceptors.h @@ -81,7 +81,12 @@ void InitializePlatformInterceptors(); #if ASAN_HAS_EXCEPTIONS && !SANITIZER_WINDOWS && !SANITIZER_SOLARIS && \ !SANITIZER_NETBSD # define ASAN_INTERCEPT___CXA_THROW 1 -# define ASAN_INTERCEPT___CXA_RETHROW_PRIMARY_EXCEPTION 1 +# if ! defined(ASAN_HAS_CXA_RETHROW_PRIMARY_EXCEPTION) \ + || ASAN_HAS_CXA_RETHROW_PRIMARY_EXCEPTION +# define ASAN_INTERCEPT___CXA_RETHROW_PRIMARY_EXCEPTION 1 +# else +# define ASAN_INTERCEPT___CXA_RETHROW_PRIMARY_EXCEPTION 0 +# endif # if defined(_GLIBCXX_SJLJ_EXCEPTIONS) || (SANITIZER_IOS && defined(__arm__)) # define ASAN_INTERCEPT__UNWIND_SJLJ_RAISEEXCEPTION 1 # else diff --git a/libsanitizer/asan/asan_mapping.h b/libsanitizer/asan/asan_mapping.h index c5f95c0..47ccf84 100644 --- a/libsanitizer/asan/asan_mapping.h +++ b/libsanitizer/asan/asan_mapping.h @@ -190,7 +190,7 @@ # elif defined(__aarch64__) # define ASAN_SHADOW_OFFSET_CONST 0x0000001000000000 # elif defined(__powerpc64__) -# define ASAN_SHADOW_OFFSET_CONST 0x0000100000000000 +# define ASAN_SHADOW_OFFSET_CONST 0x0000020000000000 # elif defined(__s390x__) # define ASAN_SHADOW_OFFSET_CONST 0x0010000000000000 # elif SANITIZER_FREEBSD |