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      1 //===------------------------ libunwind_ext.h -----------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //
      9 //  Extensions to libunwind API.
     10 //
     11 //===----------------------------------------------------------------------===//
     12 
     13 #ifndef __LIBUNWIND_EXT__
     14 #define __LIBUNWIND_EXT__
     15 
     16 #include "config.h"
     17 #include <libunwind.h>
     18 #include <unwind.h>
     19 
     20 #define UNW_STEP_SUCCESS 1
     21 #define UNW_STEP_END     0
     22 
     23 #ifdef __cplusplus
     24 extern "C" {
     25 #endif
     26 // SPI
     27 extern void unw_iterate_dwarf_unwind_cache(void (*func)(unw_word_t ip_start,
     28                                                         unw_word_t ip_end,
     29                                                         unw_word_t fde,
     30                                                         unw_word_t mh));
     31 
     32 // IPI
     33 extern void _unw_add_dynamic_fde(unw_word_t fde);
     34 extern void _unw_remove_dynamic_fde(unw_word_t fde);
     35 
     36 #if defined(_LIBUNWIND_ARM_EHABI)
     37 extern const uint32_t* decode_eht_entry(const uint32_t*, size_t*, size_t*);
     38 extern _Unwind_Reason_Code _Unwind_VRS_Interpret(_Unwind_Context *context,
     39                                                  const uint32_t *data,
     40                                                  size_t offset, size_t len);
     41 #endif
     42 
     43 #ifdef __cplusplus
     44 }
     45 #endif
     46 
     47 #endif // __LIBUNWIND_EXT__
     48