unwind.h revision d85c1e9800213d2a8750215f6980ae67411cac72
1/*===---- unwind.h - Stack unwinding ----------------------------------------=== 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 * THE SOFTWARE. 20 * 21 *===-----------------------------------------------------------------------=== 22 */ 23 24/* See "Data Definitions for libgcc_s" in the Linux Standard Base.*/ 25 26#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070 27/* Starting in OS X Lion the SDK includes a unwind.h. We should just use it. */ 28#include_next <unwind.h> 29#else 30 31#include <stdint.h> 32 33#ifdef __cplusplus 34extern "C" { 35#endif 36 37struct _Unwind_Context; 38typedef enum { 39 _URC_NO_REASON = 0, 40 _URC_FOREIGN_EXCEPTION_CAUGHT = 1, 41 42 _URC_FATAL_PHASE2_ERROR = 2, 43 _URC_FATAL_PHASE1_ERROR = 3, 44 _URC_NORMAL_STOP = 4, 45 46 _URC_END_OF_STACK = 5, 47 _URC_HANDLER_FOUND = 6, 48 _URC_INSTALL_CONTEXT = 7, 49 _URC_CONTINUE_UNWIND = 8 50} _Unwind_Reason_Code; 51 52uintptr_t _Unwind_GetIP(struct _Unwind_Context* context); 53typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context*, void*); 54_Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void*); 55 56#ifdef __cplusplus 57} 58#endif 59 60#endif 61