================ @@ -0,0 +1,344 @@ +//===-- tysan.cpp ---------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +// This file is a part of TypeSanitizer. +// +// TypeSanitizer runtime. +//===----------------------------------------------------------------------===// + +#include "sanitizer_common/sanitizer_atomic.h" +#include "sanitizer_common/sanitizer_common.h" +#include "sanitizer_common/sanitizer_flag_parser.h" +#include "sanitizer_common/sanitizer_flags.h" +#include "sanitizer_common/sanitizer_libc.h" +#include "sanitizer_common/sanitizer_report_decorator.h" +#include "sanitizer_common/sanitizer_stacktrace.h" +#include "sanitizer_common/sanitizer_symbolizer.h" + +#include "tysan/tysan.h" + +using namespace __sanitizer; +using namespace __tysan; + +extern "C" SANITIZER_INTERFACE_ATTRIBUTE void +tysan_set_type_unknown(const void *addr, uptr size) { + if (tysan_inited) + internal_memset(shadow_for(addr), 0, size * sizeof(uptr)); +} + +extern "C" SANITIZER_INTERFACE_ATTRIBUTE void +tysan_copy_types(const void *daddr, const void *saddr, uptr size) { + if (tysan_inited) + internal_memmove(shadow_for(daddr), shadow_for(saddr), size * sizeof(uptr)); +} + +static const char *getDisplayName(const char *Name) { + if (Name[0] == '\0') + return "<anonymous type>"; + + // Clang generates tags for C++ types that demangle as typeinfo. Remove the + // prefix from the generated string. + const char TIPrefix[] = "typeinfo name for "; + + const char *DName = Symbolizer::GetOrInit()->Demangle(Name); + if (!internal_strncmp(DName, TIPrefix, sizeof(TIPrefix) - 1)) + DName += sizeof(TIPrefix) - 1; ---------------- fmayer wrote:
strlen? the compiler should be able to optimize that. https://github.com/llvm/llvm-project/pull/76261 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
