| //===------------------------- Unwind-EHABI.hpp ---------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __UNWIND_EHABI_H__ |
| #define __UNWIND_EHABI_H__ |
| |
| #include <__libunwind_config.h> |
| |
| #if defined(_LIBUNWIND_ARM_EHABI) |
| |
| #include <stdint.h> |
| #include <unwind.h> |
| |
| // Unable to unwind in the ARM index table (section 5 EHABI). |
| #define UNW_EXIDX_CANTUNWIND 0x1 |
| |
| static inline uint32_t signExtendPrel31(uint32_t data) { |
| return data | ((data & 0x40000000u) << 1); |
| } |
| |
| static inline uint32_t readPrel31(const uint32_t *data) { |
| return (((uint32_t)(uintptr_t)data) + signExtendPrel31(*data)); |
| } |
| |
| #if defined(__cplusplus) |
| extern "C" { |
| #endif |
| |
| extern _Unwind_Reason_Code __aeabi_unwind_cpp_pr0( |
| _Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context); |
| |
| extern _Unwind_Reason_Code __aeabi_unwind_cpp_pr1( |
| _Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context); |
| |
| extern _Unwind_Reason_Code __aeabi_unwind_cpp_pr2( |
| _Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context); |
| |
| #if defined(__cplusplus) |
| } // extern "C" |
| #endif |
| |
| #endif // defined(_LIBUNWIND_ARM_EHABI) |
| |
| #endif // __UNWIND_EHABI_H__ |
