mtk-lk/lib/libc/eabi.c

/* Copyright (c) 2008 Travis Geiselbrecht
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

/* some cruft we have to define when using the linux toolchain */
#include <unwind.h>

#if defined(__ARM_EABI_UNWINDER__) && __ARM_EABI_UNWINDER__

/* Our toolchain has eabi functionality built in, but they're not really used.
 * so we stub them out here. */
_Unwind_Reason_Code __aeabi_unwind_cpp_pr0(_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context)
{
	return _URC_FAILURE;
}

_Unwind_Reason_Code __aeabi_unwind_cpp_pr1(_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context)
{
        return _URC_FAILURE;
}

_Unwind_Reason_Code __aeabi_unwind_cpp_pr2(_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context)
{
        return _URC_FAILURE;
}
#elif  defined(__clang__) && defined(__arm__)

_Unwind_Reason_Code __aeabi_unwind_cpp_pr0(_Unwind_State state, void *ucbp, struct _Unwind_Context *context)
{
    return _URC_FAILURE;
}

_Unwind_Reason_Code __aeabi_unwind_cpp_pr1(_Unwind_State state, void *ucbp, struct _Unwind_Context *context)
{
    return _URC_FAILURE;
}

_Unwind_Reason_Code __aeabi_unwind_cpp_pr2(_Unwind_State state, void  *ucbp, struct  _Unwind_Context *context)
{
    return _URC_FAILURE;
}

#endif

/* needed by some piece of EABI */
void raise(void)
{
}