| /*===---- unwind.h - Stack unwinding ----------------------------------------=== |
| * |
| * 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. |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| /* See "Data Definitions for libgcc_s" in the Linux Standard Base.*/ |
| |
| #if defined(__APPLE__) && __has_include_next(<unwind.h>) |
| /* Darwin typically has its own unwind.h; use it. */ |
| # include_next <unwind.h> |
| #else |
| |
| #include <stdint.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* It is a bit strange for a header to play with the visibility of the |
| symbols it declares, but this matches gcc's behavior and some programs |
| depend on it */ |
| #pragma GCC visibility push(default) |
| |
| struct _Unwind_Context; |
| typedef enum { |
| _URC_NO_REASON = 0, |
| _URC_FOREIGN_EXCEPTION_CAUGHT = 1, |
| |
| _URC_FATAL_PHASE2_ERROR = 2, |
| _URC_FATAL_PHASE1_ERROR = 3, |
| _URC_NORMAL_STOP = 4, |
| |
| _URC_END_OF_STACK = 5, |
| _URC_HANDLER_FOUND = 6, |
| _URC_INSTALL_CONTEXT = 7, |
| _URC_CONTINUE_UNWIND = 8 |
| } _Unwind_Reason_Code; |
| |
| |
| #ifdef __arm__ |
| |
| typedef enum { |
| _UVRSC_CORE = 0, /* integer register */ |
| _UVRSC_VFP = 1, /* vfp */ |
| _UVRSC_WMMXD = 3, /* Intel WMMX data register */ |
| _UVRSC_WMMXC = 4 /* Intel WMMX control register */ |
| } _Unwind_VRS_RegClass; |
| |
| typedef enum { |
| _UVRSD_UINT32 = 0, |
| _UVRSD_VFPX = 1, |
| _UVRSD_UINT64 = 3, |
| _UVRSD_FLOAT = 4, |
| _UVRSD_DOUBLE = 5 |
| } _Unwind_VRS_DataRepresentation; |
| |
| typedef enum { |
| _UVRSR_OK = 0, |
| _UVRSR_NOT_IMPLEMENTED = 1, |
| _UVRSR_FAILED = 2 |
| } _Unwind_VRS_Result; |
| |
| _Unwind_VRS_Result _Unwind_VRS_Get(_Unwind_Context *context, |
| _Unwind_VRS_RegClass regclass, |
| uint32_t regno, |
| _Unwind_VRS_DataRepresentation representation, |
| void *valuep); |
| |
| #else |
| |
| uintptr_t _Unwind_GetIP(struct _Unwind_Context* context); |
| |
| #endif |
| |
| typedef _Unwind_Reason_Code (*_Unwind_Trace_Fn)(struct _Unwind_Context*, void*); |
| _Unwind_Reason_Code _Unwind_Backtrace(_Unwind_Trace_Fn, void*); |
| |
| #pragma GCC visibility pop |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |