mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-02-05 11:30:07 +08:00
Code Issues Packages Projects Releases Wiki Activity

tb-gcc.c (uw_data_t, [...]): Only define if not GCC-SJLJ eh.

Browse Source 
2007-12-06  Olivier Hainque  <hainque@adacore.com>

	* tb-gcc.c (uw_data_t, trace_callback): Only define if not GCC-SJLJ eh.
	(__gnat_backtrace): Early return 0 if using GCC-SJLJ eh.

From-SVN: r130874
This commit is contained in:
Olivier Hainque 2007-12-13 11:43:33 +01:00 committed by Arnaud Charlet
parent 8236f02792
commit 566b591edc
1 changed files with 16 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
gcc/ada/tb-gcc.c
View File

@ -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
}