Mercurial > hg > CbC > CbC_llvm

comparison libcxxabi/src/cxa_noexception.cpp @ 150:1d019706d866

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children c4bab56944e8
comparison
equal deleted inserted replaced
147:c2174574ed3a 150:1d019706d866
1 //===------------------------- cxa_exception.cpp --------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //
8 // This file implements the "Exception Handling APIs"
9 // https://itanium-cxx-abi.github.io/cxx-abi/abi-eh.html
10 //
11 //===----------------------------------------------------------------------===//
12
13 // Support functions for the no-exceptions libc++ library
14
15 #include "cxxabi.h"
16
17 #include <exception> // for std::terminate
18 #include "cxa_exception.h"
19 #include "cxa_handlers.h"
20
21 namespace __cxxabiv1 {
22
23 extern "C" {
24
25 void
26 __cxa_increment_exception_refcount(void *thrown_object) throw() {
27 if (thrown_object != nullptr)
28 std::terminate();
29 }
30
31 void
32 __cxa_decrement_exception_refcount(void *thrown_object) throw() {
33 if (thrown_object != nullptr)
34 std::terminate();
35 }
36
37
38 void *__cxa_current_primary_exception() throw() { return nullptr; }
39
40 void
41 __cxa_rethrow_primary_exception(void* thrown_object) {
42 if (thrown_object != nullptr)
43 std::terminate();
44 }
45
46 bool
47 __cxa_uncaught_exception() throw() { return false; }
48
49 unsigned int
50 __cxa_uncaught_exceptions() throw() { return 0; }
51
52 } // extern "C"
53
54 // provide dummy implementations for the 'no exceptions' case.
55 uint64_t __getExceptionClass (const _Unwind_Exception*) { return 0; }
56 void __setExceptionClass ( _Unwind_Exception*, uint64_t) {}
57 bool __isOurExceptionClass(const _Unwind_Exception*) { return false; }
58
59 } // abi