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Message-ID:	<1102024669.41af8fdd0e7fb@webmail.wilkes.edu>
Date:	Thu, 2 Dec 2004 16:57:49 -0500
From:	fdonahoe AT wilkes DOT edu
To:	Esa Peuha <esa DOT peuha AT helsinki DOT fi>, Eli Zaretskii <eliz AT gnu DOT org>,
	Juan Manuel Guerrero <st001906 AT hrz1 DOT hrz DOT tu-darmstadt DOT de>
Cc:	Workers List <djgpp-workers AT delorie DOT com>
Subject:	Re: Bison 1.875
MIME-Version:	1.0
User-Agent:	Internet Messaging Program (IMP) 3.2
X-Originating-IP:	146.94.1.223
Reply-To:	djgpp-workers AT delorie DOT com

On Sat. 27 Nov. 2004, Eli Zaretskii wrote:

> The obvious way: redirect GDB's output to a file, like this:
> 
>    gdb ./info/ginfo.exe > gdb.session
> 
> The downside is that you won't see GDB's prompts etc. as well,
> but if you know exactly what commands to type, you should be
> able to type them blindly.

I had rejected that method which seemed to me like wearing gloves
to seek a candle in a china closet at night during a power outage.
This seems, in retrospect, a fair assessment.;=)

Meanwhile I've patched popen.c, found how to make bison crash from
the command line and practiced wearing gloves.  (The patch solved
the problem of info with gzipped info files.)

The path to the crash site is different with the patched libc.a
but still ends with malloc.c, line 346.  Tests 11, and 14 failed
in addition to the failures before the patch, and 17 failed while
18 passed.

This is for test 103

Call frame traceback EIPs:
  0x0010c7f1 free+304, file \
    c:/tmp/djgpp/src/libc/ansi/stdlib/malloc.c, line 346
  0x00116425 __clear_fd_properties+131, \
    file c:/tmp/djgpp/src/libc/dos/io/fd_props.c, line 132
  0x00119bb4 close+46404, \
    file c:/tmp/djgpp/src/libc/dos/io/_close.c, line 45
  0x0010d3f4 fclose+68, \
    file c:/tmp/djgpp/src/libc/ansi/stdio/fclose.c, line 28
  0x000042c5 xfclose+37, \
    file c:/djg/gnu/bison-1.875/src/files.c, line 117
  0x0000c675 .debug_line+262, \
    file c:/djg/gnu/bison-1.875/src/output.c, line 585
  0x0000ea06 .debug_line+59, \
    file c:/djg/gnu/bison-1.875/src/output.c, line 652
  0x00007765 .debug_abbrev+8
  0x0010c2ad __crt1_startup+657, \
    file c:/tmp/djgpp/src/libc/crt0/crt1.c, line 23

Now if you will send me a sequence of gdb commands which should
give you the information you require I will get the results back
to you ASAP.

Regards,
Frank



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