This has been committed to the repository.
Camiel.
On Thu, Feb 21, 2008 at 2:55 PM, Brian Wheeler <bdw...@in...> wrote:
> This patch make a few changes to the backtrace functionality:
>
> * adds the -rdynamic LD flag if DEBUG_BACKTRACE is specified. This
> allows all non-static function names to appear in the backtrace.
>
> * catch SIGUSR1 to trigger the backtracer if es40 seems to have hung.
>
> * use _exit() to really really quit when a SIGSEGV is caught.
>
>
> Index: Makefile
> ===================================================================
> RCS file: /cvsroot/es40/es40/src/Makefile,v
> retrieving revision 1.26
> diff -u -w -r1.26 Makefile
> --- Makefile 20 Feb 2008 21:02:50 -0000 1.26
> +++ Makefile 21 Feb 2008 13:47:38 -0000
> @@ -135,6 +135,7 @@
> # -DDEBUG_PIC Turn on Programmable Interrupt Controller debugging
> # -DDEBUG_LPT Turn on debugging for LPT Port
> # -DDEBUG_BACKTRACE Turn on backtrace dump on SIGSEGV
> +# -DDEBUG_USB Turn on debugging for USB controller
> #
> CDEBUGFLAGS = -g -DHIDE_COUNTER -DDEBUG_BACKTRACE
>
> @@ -172,6 +173,11 @@
> LDOPTIONFLAGS += -g
> endif
>
> +ifneq ($(findstring "-DDEBUG_BACKTRACE",$(CDEBUGFLAGS)),"")
> +LDOPTIONFLAGS += -rdynamic
> +endif
> +
> +
> CFLAGS = -I. -I.. \
> $(CDEBUGFLAGS) $(CTUNINGFLAGS) $(OPTIONS) $(COPTIONFLAGS)
> LDFLAGS = $(LDOPTIONFLAGS)
> @@ -265,4 +271,3 @@
> $(DEPEND) -o.do -a -- $(IDB_CFLAGS) -- $(SRCS)
> clean:
> rm -f es40 es40_idb es40_lss es40_lsm *.o *.do *.mao *.slo *.trc gui/*.o gui/*.mao gui/*.slo gui/*.do
> -
> Index: AlphaSim.cpp
> ===================================================================
> RCS file: /cvsroot/es40/es40/src/AlphaSim.cpp,v
> retrieving revision 1.40
> diff -u -w -r1.40 AlphaSim.cpp
> --- AlphaSim.cpp 7 Feb 2008 20:33:26 -0000 1.40
> +++ AlphaSim.cpp 21 Feb 2008 13:47:38 -0000
> @@ -211,7 +211,7 @@
> printf("%3d %s\n",nptrs-i, strings[i]);
> }
> free(strings);
> - exit(1);
> + if(signum==SIGSEGV) _exit(1);
> }
>
> #else
> @@ -255,6 +255,7 @@
>
> #ifdef HAS_BACKTRACE
> signal(SIGSEGV, &segv_handler);
> + signal(SIGUSR1, &segv_handler);
> #endif
>
> try
>
>
>
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