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| author | Martin Liska <mliska@suse.cz> | 2019-08-14 10:47:36 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2019-08-14 08:47:36 +0000 |
| commit | 47f0255fbb553fe0763dda742c2719ce513466b6 (patch) | |
| tree | 99d7d9b2b0ba9c691aae76b44af58e2ccc7f6941 /libsanitizer/ubsan | |
| parent | b667dd7017a8f9d36d3ab266f22290d75fa527b0 (diff) | |
| download | gcc-47f0255fbb553fe0763dda742c2719ce513466b6.zip gcc-47f0255fbb553fe0763dda742c2719ce513466b6.tar.gz gcc-47f0255fbb553fe0763dda742c2719ce513466b6.tar.bz2 | |
Reapply all revisions mentioned in LOCAL_PATCHES.
2019-08-14 Martin Liska <mliska@suse.cz>
* asan/asan_globals.cpp (CheckODRViolationViaIndicator): Reapply
patch from trunk.
(CheckODRViolationViaPoisoning): Likewise.
(RegisterGlobal): Likewise.
* asan/asan_mapping.h: Likewise.
* sanitizer_common/sanitizer_linux_libcdep.cpp (defined): Likewise.
* sanitizer_common/sanitizer_mac.cpp (defined): Likewise.
* sanitizer_common/sanitizer_platform_limits_linux.cpp (defined): Likewise.
* sanitizer_common/sanitizer_platform_limits_posix.h (defined): Likewise.
* sanitizer_common/sanitizer_stacktrace.cpp (GetCanonicFrame): Likewise.
* ubsan/ubsan_handlers.cpp (__ubsan::__ubsan_handle_cfi_bad_icall): Likewise.
(__ubsan::__ubsan_handle_cfi_bad_icall_abort): Likewise.
* ubsan/ubsan_handlers.h (struct CFIBadIcallData): Likewise.
(struct CFICheckFailData): Likewise.
(RECOVERABLE): Likewise.
* ubsan/ubsan_platform.h: Likewise.
From-SVN: r274427
Diffstat (limited to 'libsanitizer/ubsan')
| -rw-r--r-- | libsanitizer/ubsan/ubsan_handlers.cpp | 15 | ||||
| -rw-r--r-- | libsanitizer/ubsan/ubsan_handlers.h | 8 | ||||
| -rw-r--r-- | libsanitizer/ubsan/ubsan_platform.h | 2 |
3 files changed, 25 insertions, 0 deletions
diff --git a/libsanitizer/ubsan/ubsan_handlers.cpp b/libsanitizer/ubsan/ubsan_handlers.cpp index e832581..6099e36 100644 --- a/libsanitizer/ubsan/ubsan_handlers.cpp +++ b/libsanitizer/ubsan/ubsan_handlers.cpp @@ -800,6 +800,21 @@ void __ubsan_handle_cfi_bad_type(CFICheckFailData *Data, ValueHandle Vtable, } // namespace __ubsan +void __ubsan::__ubsan_handle_cfi_bad_icall(CFIBadIcallData *CallData, + ValueHandle Function) { + GET_REPORT_OPTIONS(false); + CFICheckFailData Data = {CFITCK_ICall, CallData->Loc, CallData->Type}; + handleCFIBadIcall(&Data, Function, Opts); +} + +void __ubsan::__ubsan_handle_cfi_bad_icall_abort(CFIBadIcallData *CallData, + ValueHandle Function) { + GET_REPORT_OPTIONS(true); + CFICheckFailData Data = {CFITCK_ICall, CallData->Loc, CallData->Type}; + handleCFIBadIcall(&Data, Function, Opts); + Die(); +} + void __ubsan::__ubsan_handle_cfi_check_fail(CFICheckFailData *Data, ValueHandle Value, uptr ValidVtable) { diff --git a/libsanitizer/ubsan/ubsan_handlers.h b/libsanitizer/ubsan/ubsan_handlers.h index 22ca964..eba1cf9 100644 --- a/libsanitizer/ubsan/ubsan_handlers.h +++ b/libsanitizer/ubsan/ubsan_handlers.h @@ -207,12 +207,20 @@ enum CFITypeCheckKind : unsigned char { CFITCK_VMFCall, }; +struct CFIBadIcallData { + SourceLocation Loc; + const TypeDescriptor &Type; +}; + struct CFICheckFailData { CFITypeCheckKind CheckKind; SourceLocation Loc; const TypeDescriptor &Type; }; +/// \brief Handle control flow integrity failure for indirect function calls. +RECOVERABLE(cfi_bad_icall, CFIBadIcallData *Data, ValueHandle Function) + /// \brief Handle control flow integrity failures. RECOVERABLE(cfi_check_fail, CFICheckFailData *Data, ValueHandle Function, uptr VtableIsValid) diff --git a/libsanitizer/ubsan/ubsan_platform.h b/libsanitizer/ubsan/ubsan_platform.h index 71d7fb18..58aabbe 100644 --- a/libsanitizer/ubsan/ubsan_platform.h +++ b/libsanitizer/ubsan/ubsan_platform.h @@ -12,6 +12,7 @@ #ifndef UBSAN_PLATFORM_H #define UBSAN_PLATFORM_H +#ifndef CAN_SANITIZE_UB // Other platforms should be easy to add, and probably work as-is. #if defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) || \ defined(__NetBSD__) || defined(__OpenBSD__) || \ @@ -21,5 +22,6 @@ #else # define CAN_SANITIZE_UB 0 #endif +#endif //CAN_SANITIZE_UB #endif |