/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: sw=4 ts=4 et : */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_throw_gcc_h #define mozilla_throw_gcc_h #include "mozilla/Attributes.h" #include <stdio.h> // snprintf #include <string.h> // strerror // For gcc, we define these inline to abort so that we're absolutely // certain that (i) no exceptions are thrown from Gecko; (ii) these // errors are always terminal and caught by breakpad. #include "mozilla/mozalloc_abort.h" // libc++ 4.0.0 and higher use C++11 [[noreturn]] attributes for the functions // below, and since clang does not allow mixing __attribute__((noreturn)) and // [[noreturn]], we have to explicitly use the latter here. See bug 1329520. #if defined(__clang__) # if __has_feature(cxx_attributes) && \ defined(_LIBCPP_VERSION) && _LIBCPP_VERSION >= 4000 # define MOZ_THROW_NORETURN [[noreturn]] # endif #endif #ifndef MOZ_THROW_NORETURN # define MOZ_THROW_NORETURN MOZ_NORETURN #endif namespace std { // NB: user code is not supposed to touch the std:: namespace. We're // doing this after careful review because we want to define our own // exception throwing semantics. Don't try this at home! MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_bad_exception(void) { mozalloc_abort("fatal: STL threw bad_exception"); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_bad_alloc(void) { mozalloc_abort("fatal: STL threw bad_alloc"); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_bad_cast(void) { mozalloc_abort("fatal: STL threw bad_cast"); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_bad_typeid(void) { mozalloc_abort("fatal: STL threw bad_typeid"); } // used by <functional> MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_bad_function_call(void) { mozalloc_abort("fatal: STL threw bad_function_call"); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_logic_error(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_domain_error(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_invalid_argument(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_length_error(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_out_of_range(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_runtime_error(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_range_error(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_overflow_error(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_underflow_error(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_ios_failure(const char* msg) { mozalloc_abort(msg); } MOZ_THROW_NORETURN MOZ_EXPORT MOZ_ALWAYS_INLINE void __throw_system_error(int err) { char error[128]; snprintf(error, sizeof(error)-1, "fatal: STL threw system_error: %s (%d)", strerror(err), err); mozalloc_abort(error); } } // namespace std #undef MOZ_THROW_NORETURN #endif // mozilla_throw_gcc_h