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compiler-rt/trunk/lib/ubsan/ubsan_handlers.cc
| Show First 20 Lines • Show All 560 Lines • ▼ Show 20 Lines | static void handlePointerOverflowImpl(PointerOverflowData *Data, | ||||
| SourceLocation Loc = Data->Loc.acquire(); | SourceLocation Loc = Data->Loc.acquire(); | ||||
| ErrorType ET = ErrorType::PointerOverflow; | ErrorType ET = ErrorType::PointerOverflow; | ||||
| if (ignoreReport(Loc, Opts, ET)) | if (ignoreReport(Loc, Opts, ET)) | ||||
| return; | return; | ||||
| ScopedReport R(Opts, Loc, ET); | ScopedReport R(Opts, Loc, ET); | ||||
| Diag(Loc, DL_Error, "pointer index expression with base %0 overflowed to %1") | if ((sptr(Base) >= 0) == (sptr(Result) >= 0)) | ||||
| Diag(Loc, DL_Error, "unsigned pointer index expression result is %0, " | |||||
| "preceding its base %1") | |||||
| << (void *)Result << (void *)Base; | |||||
| else | |||||
| Diag(Loc, DL_Error, | |||||
| "pointer index expression with base %0 overflowed to %1") | |||||
| << (void *)Base << (void*)Result; | << (void *)Base << (void *)Result; | ||||
| } | } | ||||
| void __ubsan::__ubsan_handle_pointer_overflow(PointerOverflowData *Data, | void __ubsan::__ubsan_handle_pointer_overflow(PointerOverflowData *Data, | ||||
| ValueHandle Base, | ValueHandle Base, | ||||
| ValueHandle Result) { | ValueHandle Result) { | ||||
| GET_REPORT_OPTIONS(false); | GET_REPORT_OPTIONS(false); | ||||
| handlePointerOverflowImpl(Data, Base, Result, Opts); | handlePointerOverflowImpl(Data, Base, Result, Opts); | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 68 Lines • Show Last 20 Lines | |||||