unwind.h revision 9b7568da31b0dc97e15253391cb100e9958d3d78
1d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola/*===---- unwind.h - Stack unwinding ----------------------------------------=== 2d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * 3d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * Permission is hereby granted, free of charge, to any person obtaining a copy 4d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * of this software and associated documentation files (the "Software"), to deal 5d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * in the Software without restriction, including without limitation the rights 6d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * copies of the Software, and to permit persons to whom the Software is 8d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * furnished to do so, subject to the following conditions: 9d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * 10d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * The above copyright notice and this permission notice shall be included in 11d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * all copies or substantial portions of the Software. 12d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * 13d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * THE SOFTWARE. 20d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola * 21d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola *===-----------------------------------------------------------------------=== 22d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola */ 23d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 24d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola/* See "Data Definitions for libgcc_s" in the Linux Standard Base.*/ 25d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 26d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070 27d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola/* Starting in OS X Lion the SDK includes a unwind.h. We should just use it. */ 28d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#include_next <unwind.h> 29d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#else 30d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 31d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#include <stdint.h> 32d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 33d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#ifdef __cplusplus 34d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindolaextern "C" { 35d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#endif 36d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 379b7568da31b0dc97e15253391cb100e9958d3d78Rafael Espindola/* It is a bit strange for a header to play with the visibility of the 389b7568da31b0dc97e15253391cb100e9958d3d78Rafael Espindola symbols it declares, but this matches gcc's behavior and some programs 399b7568da31b0dc97e15253391cb100e9958d3d78Rafael Espindola depend on it */ 409b7568da31b0dc97e15253391cb100e9958d3d78Rafael Espindola#pragma GCC visibility push(default) 419b7568da31b0dc97e15253391cb100e9958d3d78Rafael Espindola 42d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindolastruct _Unwind_Context; 43d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindolatypedef enum { 44d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_NO_REASON = 0, 45d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_FOREIGN_EXCEPTION_CAUGHT = 1, 46d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 47d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_FATAL_PHASE2_ERROR = 2, 48d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_FATAL_PHASE1_ERROR = 3, 49d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_NORMAL_STOP = 4, 50d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 51d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_END_OF_STACK = 5, 52d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_HANDLER_FOUND = 6, 53d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_INSTALL_CONTEXT = 7, 54d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola _URC_CONTINUE_UNWIND = 8 55d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola} _Unwind_Reason_Code; 56d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 57d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindolauintptr_t _Unwind_GetIP(struct _Unwind_Context* context); 58d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindolatypedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context*, void*); 59d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola_Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void*); 60d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 619b7568da31b0dc97e15253391cb100e9958d3d78Rafael Espindola#pragma GCC visibility pop 629b7568da31b0dc97e15253391cb100e9958d3d78Rafael Espindola 63d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#ifdef __cplusplus 64d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola} 65d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#endif 66d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola 67d85c1e9800213d2a8750215f6980ae67411cac72Rafael Espindola#endif 68