| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | // |
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| 8 | // This file implements the "Exception Handling APIs" |
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| 9 | // https://itanium-cxx-abi.github.io/cxx-abi/abi-eh.html |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | // Support functions for the no-exceptions libc++ library |
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| 14 | |
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| 15 | #include "cxxabi.h" |
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| 16 | |
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| 17 | #include <exception> // for std::terminate |
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| 18 | #include "cxa_exception.h" |
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| 19 | #include "cxa_handlers.h" |
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| 20 | |
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| 21 | namespace __cxxabiv1 { |
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| 22 | |
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| 23 | extern "C" { |
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| 24 | |
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| 25 | void |
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| 26 | __cxa_increment_exception_refcount(void *thrown_object) throw() { |
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| 27 | if (thrown_object != nullptr) |
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| 28 | std::terminate(); |
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| 29 | } |
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| 30 | |
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| 31 | void |
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| 32 | __cxa_decrement_exception_refcount(void *thrown_object) throw() { |
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| 33 | if (thrown_object != nullptr) |
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| 34 | std::terminate(); |
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| 35 | } |
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| 36 | |
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| 37 | |
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| 38 | void *__cxa_current_primary_exception() throw() { return nullptr; } |
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| 39 | |
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| 40 | void |
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| 41 | __cxa_rethrow_primary_exception(void* thrown_object) { |
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| 42 | if (thrown_object != nullptr) |
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| 43 | std::terminate(); |
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| 44 | } |
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| 45 | |
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| 46 | bool |
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| 47 | __cxa_uncaught_exception() throw() { return false; } |
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| 48 | |
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| 49 | unsigned int |
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| 50 | __cxa_uncaught_exceptions() throw() { return 0; } |
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| 51 | |
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| 52 | } // extern "C" |
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| 53 | |
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| 54 | // provide dummy implementations for the 'no exceptions' case. |
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| 55 | uint64_t __getExceptionClass (const _Unwind_Exception*) { return 0; } |
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| 56 | void __setExceptionClass ( _Unwind_Exception*, uint64_t) {} |
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| 57 | bool __isOurExceptionClass(const _Unwind_Exception*) { return false; } |
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| 58 | |
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| 59 | } // abi |
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| 60 | |
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