diff options
Diffstat (limited to 'chromium/buildtools/third_party/libc++abi/trunk/src/cxa_default_handlers.cpp')
| -rw-r--r-- | chromium/buildtools/third_party/libc++abi/trunk/src/cxa_default_handlers.cpp | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/chromium/buildtools/third_party/libc++abi/trunk/src/cxa_default_handlers.cpp b/chromium/buildtools/third_party/libc++abi/trunk/src/cxa_default_handlers.cpp deleted file mode 100644 index f2e36b4bc83..00000000000 --- a/chromium/buildtools/third_party/libc++abi/trunk/src/cxa_default_handlers.cpp +++ /dev/null @@ -1,133 +0,0 @@ -//===------------------------- cxa_default_handlers.cpp -------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -// -// This file implements the default terminate_handler and unexpected_handler. -//===----------------------------------------------------------------------===// - -#include <stdexcept> -#include <new> -#include <exception> -#include <cstdlib> -#include "abort_message.h" -#include "cxxabi.h" -#include "cxa_handlers.hpp" -#include "cxa_exception.hpp" -#include "private_typeinfo.h" - -static const char* cause = "uncaught"; - -__attribute__((noreturn)) -static void demangling_terminate_handler() -{ - // If there might be an uncaught exception - using namespace __cxxabiv1; - __cxa_eh_globals* globals = __cxa_get_globals_fast(); - if (globals) - { - __cxa_exception* exception_header = globals->caughtExceptions; - // If there is an uncaught exception - if (exception_header) - { - _Unwind_Exception* unwind_exception = - reinterpret_cast<_Unwind_Exception*>(exception_header + 1) - 1; - bool native_exception = - (unwind_exception->exception_class & get_vendor_and_language) == - (kOurExceptionClass & get_vendor_and_language); - if (native_exception) - { - void* thrown_object = - unwind_exception->exception_class == kOurDependentExceptionClass ? - ((__cxa_dependent_exception*)exception_header)->primaryException : - exception_header + 1; - const __shim_type_info* thrown_type = - static_cast<const __shim_type_info*>(exception_header->exceptionType); - // Try to get demangled name of thrown_type - int status; - char buf[1024]; - size_t len = sizeof(buf); - const char* name = __cxa_demangle(thrown_type->name(), buf, &len, &status); - if (status != 0) - name = thrown_type->name(); - // If the uncaught exception can be caught with std::exception& - const __shim_type_info* catch_type = - static_cast<const __shim_type_info*>(&typeid(std::exception)); - if (catch_type->can_catch(thrown_type, thrown_object)) - { - // Include the what() message from the exception - const std::exception* e = static_cast<const std::exception*>(thrown_object); - abort_message("terminating with %s exception of type %s: %s", - cause, name, e->what()); - } - else - // Else just note that we're terminating with an exception - abort_message("terminating with %s exception of type %s", - cause, name); - } - else - // Else we're terminating with a foreign exception - abort_message("terminating with %s foreign exception", cause); - } - } - // Else just note that we're terminating - abort_message("terminating"); -} - -__attribute__((noreturn)) -static void demangling_unexpected_handler() -{ - cause = "unexpected"; - std::terminate(); -} - -#if !defined(LIBCXXABI_SILENT_TERMINATE) -static std::terminate_handler default_terminate_handler = demangling_terminate_handler; -static std::terminate_handler default_unexpected_handler = demangling_unexpected_handler; -#else -static std::terminate_handler default_terminate_handler = std::abort; -static std::terminate_handler default_unexpected_handler = std::terminate; -#endif - -// -// Global variables that hold the pointers to the current handler -// -_LIBCXXABI_DATA_VIS -std::terminate_handler __cxa_terminate_handler = default_terminate_handler; - -_LIBCXXABI_DATA_VIS -std::unexpected_handler __cxa_unexpected_handler = default_unexpected_handler; - -// In the future these will become: -// std::atomic<std::terminate_handler> __cxa_terminate_handler(default_terminate_handler); -// std::atomic<std::unexpected_handler> __cxa_unexpected_handler(default_unexpected_handler); - -namespace std -{ - -unexpected_handler -set_unexpected(unexpected_handler func) _NOEXCEPT -{ - if (func == 0) - func = default_unexpected_handler; - return __atomic_exchange_n(&__cxa_unexpected_handler, func, - __ATOMIC_ACQ_REL); -// Using of C++11 atomics this should be rewritten -// return __cxa_unexpected_handler.exchange(func, memory_order_acq_rel); -} - -terminate_handler -set_terminate(terminate_handler func) _NOEXCEPT -{ - if (func == 0) - func = default_terminate_handler; - return __atomic_exchange_n(&__cxa_terminate_handler, func, - __ATOMIC_ACQ_REL); -// Using of C++11 atomics this should be rewritten -// return __cxa_terminate_handler.exchange(func, memory_order_acq_rel); -} - -} |