| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| // |
| // Extensions to libunwind API. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef __LIBUNWIND_EXT__ |
| #define __LIBUNWIND_EXT__ |
| |
| #include "config.h" |
| #include <libunwind.h> |
| #include <unwind.h> |
| |
| #define UNW_STEP_SUCCESS 1 |
| #define UNW_STEP_END 0 |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| extern int __unw_getcontext(unw_context_t *); |
| extern int __unw_init_local(unw_cursor_t *, unw_context_t *); |
| extern int __unw_step(unw_cursor_t *); |
| extern int __unw_get_reg(unw_cursor_t *, unw_regnum_t, unw_word_t *); |
| extern int __unw_get_fpreg(unw_cursor_t *, unw_regnum_t, unw_fpreg_t *); |
| extern int __unw_set_reg(unw_cursor_t *, unw_regnum_t, unw_word_t); |
| extern int __unw_set_fpreg(unw_cursor_t *, unw_regnum_t, unw_fpreg_t); |
| extern int __unw_resume(unw_cursor_t *); |
| |
| #ifdef __arm__ |
| /* Save VFP registers in FSTMX format (instead of FSTMD). */ |
| extern void __unw_save_vfp_as_X(unw_cursor_t *); |
| #endif |
| |
| extern const char *__unw_regname(unw_cursor_t *, unw_regnum_t); |
| extern int __unw_get_proc_info(unw_cursor_t *, unw_proc_info_t *); |
| extern int __unw_is_fpreg(unw_cursor_t *, unw_regnum_t); |
| extern int __unw_is_signal_frame(unw_cursor_t *); |
| extern int __unw_get_proc_name(unw_cursor_t *, char *, size_t, unw_word_t *); |
| |
| // SPI |
| extern void __unw_iterate_dwarf_unwind_cache(void (*func)( |
| unw_word_t ip_start, unw_word_t ip_end, unw_word_t fde, unw_word_t mh)); |
| |
| // IPI |
| extern void __unw_add_dynamic_fde(unw_word_t fde); |
| extern void __unw_remove_dynamic_fde(unw_word_t fde); |
| |
| extern void __unw_add_dynamic_eh_frame_section(unw_word_t eh_frame_start); |
| extern void __unw_remove_dynamic_eh_frame_section(unw_word_t eh_frame_start); |
| |
| #if defined(_LIBUNWIND_ARM_EHABI) |
| extern const uint32_t* decode_eht_entry(const uint32_t*, size_t*, size_t*); |
| extern _Unwind_Reason_Code _Unwind_VRS_Interpret(_Unwind_Context *context, |
| const uint32_t *data, |
| size_t offset, size_t len); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // __LIBUNWIND_EXT__ |