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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 <libunwind.h>
     17 
     18 #define UNW_STEP_SUCCESS 1
     19 #define UNW_STEP_END     0
     20 
     21 #ifdef __cplusplus
     22 extern "C" {
     23 #endif
     24 // SPI
     25 extern void unw_iterate_dwarf_unwind_cache(void (*func)(unw_word_t ip_start,
     26                                                         unw_word_t ip_end,
     27                                                         unw_word_t fde,
     28                                                         unw_word_t mh));
     29 
     30 // IPI
     31 extern void _unw_add_dynamic_fde(unw_word_t fde);
     32 extern void _unw_remove_dynamic_fde(unw_word_t fde);
     33 
     34 #ifdef __cplusplus
     35 }
     36 #endif
     37 
     38 #endif // __LIBUNWIND_EXT__
     39