diff options
Diffstat (limited to 'gcc/ada/tb-gcc.c')
| -rw-r--r-- | gcc/ada/tb-gcc.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/gcc/ada/tb-gcc.c b/gcc/ada/tb-gcc.c index 1a3566e..8ea77ee 100644 --- a/gcc/ada/tb-gcc.c +++ b/gcc/ada/tb-gcc.c @@ -6,7 +6,7 @@ * * * C Implementation File * * * - * Copyright (C) 2004-2005, AdaCore * + * Copyright (C) 2004-2007, AdaCore * * * * GNAT is free software; you can redistribute it and/or modify it under * * terms of the GNU General Public License as published by the Free Soft- * @@ -40,6 +40,12 @@ tailored callback and carried-on datastructure to keep track of the input parameters we got as well as of the basic processing state. */ +/****************** + * trace_callback * + ******************/ + +#if !defined (__USING_SJLJ_EXCEPTIONS__) + typedef struct { void ** traceback; int max_len; @@ -50,10 +56,6 @@ typedef struct { int n_entries_filled; } uw_data_t; -/****************** - * trace_callback * - ******************/ - #if defined (__ia64__) && defined (__hpux__) #include <uwx.h> #endif @@ -85,6 +87,8 @@ trace_callback (struct _Unwind_Context * uw_context, uw_data_t * uw_data) return _URC_NO_REASON; } +#endif + /******************** * __gnat_backtrace * ********************/ @@ -94,6 +98,12 @@ __gnat_backtrace (void ** traceback, int max_len, void * exclude_min, void * exclude_max, int skip_frames) { +#if defined (__USING_SJLJ_EXCEPTIONS__) + /* We have no unwind material (tables) at hand with sjlj eh, and no + way to retrieve complete and accurate call chain information from + the context stack we maintain. */ + return 0; +#else uw_data_t uw_data; /* State carried over during the whole unwinding process. */ @@ -110,4 +120,5 @@ __gnat_backtrace (void ** traceback, int max_len, _Unwind_Backtrace ((_Unwind_Trace_Fn)trace_callback, &uw_data); return uw_data.n_entries_filled; +#endif } |