49 lines
1.9 KiB
C
49 lines
1.9 KiB
C
/*
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* \brief Wrapper for symbols required by libgcc_eh's exception handling
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* \author Sebastian Sumpf
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* \date 2015-09-04
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*
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* The wrapper always calls a function with prefix '_cxx'. In 'cxx.mk' we prefix
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* the wrapped functions with '_cxx'. This whole procedure became necessary
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* since the wrapped symbols are marked 'GLOBAL', 'HIDDEN' in libgcc_eh.a and
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* thus ligcc_eh had to be linked to *all* binaries. In shared libaries this
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* became unfeasible since libgcc_eh uses global data which might not be
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* initialized during cross-library interaction. The clean way to go would be
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* to link libgcc_s.so to DSOs and dynamic binaries, unfortunally ligcc_s
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* requires libc6 in the current Genode tool chain.
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*/
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/*
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* Copyright (C) 2011-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Unwind function found in all binaries */
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void _cxx__Unwind_Resume(void *exc) __attribute__((weak));
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void _Unwind_Resume(void *exc) {
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_cxx__Unwind_Resume(exc); }
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void _cxx__Unwind_DeleteException(void *exc) __attribute__((weak));
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void _Unwind_DeleteException(void *exc) {
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_cxx__Unwind_DeleteException(exc); }
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/* Special ARM-EABI personality functions */
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#ifdef __ARM_EABI__
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int _cxx___aeabi_unwind_cpp_pr0(int state, void *block, void *context) __attribute__((weak));
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int __aeabi_unwind_cpp_pr0(int state, void *block, void *context) {
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return _cxx___aeabi_unwind_cpp_pr0(state, block, context); }
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int _cxx___aeabi_unwind_cpp_pr1(int state, void *block, void *context) __attribute__((weak));
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int __aeabi_unwind_cpp_pr1(int state, void *block, void *context) {
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return _cxx___aeabi_unwind_cpp_pr1(state, block, context); }
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/* Unwind functions found in some binaries */
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void _cxx__Unwind_Complete(void *exc) __attribute__((weak));
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void _Unwind_Complete(void *exc) {
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_cxx__Unwind_Complete(exc); }
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#endif /* __ARM_EABI__ */
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