From: UnixOS2 Archive
To: "UnixOS2 Archive" <UnixOS2_Archive at unixos2.com>
Date: Thu, 26 Sep 2002 04:37:14 EST-10EDT,10,-1,0,7200,3,-1,0,7200,3600
Subject: [UnixOS2_Archive] No. 329

**************************************************
Wednesday 25 September 2002
 Number  329
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Subjects for today
 
1  Re:  gcc 3.0.3: compiler / linker crash : Pete Milne <pete at milnefamily.freeserve.co.uk>

**= Email   1 ==========================**

Date:  Thu, 26 Sep 2002 11:41:11 +0100
From:  Pete Milne <pete at milnefamily.freeserve.co.uk>
Subject:  Re:  gcc 3.0.3: compiler / linker crash

Thomas, your problem seems very similar to the crashes I'm getting with
gcc 2.95 - ld inexplicably fails to resolve references or crashes with a
segmentation fault.

Conventional wisdom is that access violations within gcc indicate either
a dodgy hard disk or simply a lack of disk space.

Free space on the drive in my case is currently about 40-50 Mb, which may
look quite a bit, but is small enough for the swapfile to overflow when
running programs like Netscrape or StarOffice.

Could your problem be of this sort?

Pete

Thomas Hoffmann wrote:

> The "weak*" programs from emx's test directory are possibly of some
> interest to the gcc 3.03 porters: I got gcc / ld crashes which should
> not happen even with defective code, this is the story:
>
> Makefile:
> =========
> gcc -g -Wall -c weak1.c
> gcc -g -Wall -c weak2.s
> gcc -g -Wall -o weak01.exe weak1.o weak2.o
> gcc -g -Wall -o weak02.exe weak2.o weak1.o
> gcc -g -Wall -c weak3.c
> gcc -g -Wall -o weak11.exe weak1.o weak2.o weak3.o
> gcc -g -Wall -o weak12.exe weak1.o weak3.o weak2.o
> gcc -g -Wall -o weak13.exe weak2.o weak1.o weak3.o
> gcc -g -Wall -o weak14.exe weak2.o weak3.o weak1.o
> gcc -g -Wall -o weak15.exe weak3.o weak1.o weak2.o
> gcc -g -Wall -o weak16.exe weak3.o weak2.o weak1.o
> weak01 weak
> weak02 weak
> weak11 strong
> weak12 strong
> weak13 strong
> weak14 strong
> weak15 strong
> weak16 strong
>
> Sources:
> ========
>
> weak1.c:
> /* weak1.c (emx+gcc) */
>
> #include <stdio.h>
> #include <string.h>
>
> extern const char *weak (void);
>
> int main (int argc, char *argv[])
> {
>   const char *t;
>
>   if (argc != 2)
>     {
>       puts ("Incorrect command line");
>       return 1;
>     }
>
>   t = weak ();
>   puts (t);
>   return strcmp (t, argv[1]) != 0 ? 1 : 0;
> }
>
> weak2.s:
> / weak2.s (emx+gcc)
>
>         .weak   _strong
>         .text
>         .global _weak
> _weak:  leal    _strong, %eax
>         testl   %eax, %eax
>         jnz     _strong
>         lea     L1, %eax
>         ret
> L1:     .ascii  "weak"
>         .byte   0
>
> weak3.c:
> /* weak3.c (emx+gcc) */
>
> const char *strong (void)
> {
>   return "strong";
> }
>
> Results:
> ========
>
> gcc -g -Wall -c weak1.c
> gcc -g -Wall -c weak2.s
> gcc -g -Wall -o weak01.exe weak1.o weak2.o
> weak2.o: Undefined symbol _strong referenced from text segment
> weak2.o: Undefined symbol _strong referenced from text segment
> make.exe: *** [weak01.exe] Fehler 1
> gcc -g -Wall -o weak02.exe weak2.o weak1.o
> weak2.o: Undefined symbol _strong referenced from text segment
> weak2.o: Undefined symbol _strong referenced from text segment
> make.exe: *** [weak02.exe] Fehler 1
> gcc -g -Wall -c weak3.c
> gcc -g -Wall -o weak11.exe weak1.o weak2.o weak3.o
> gcc -g -Wall -o weak12.exe weak1.o weak3.o weak2.o
>
> Process terminated by SIGSEGV
> gcc: Internal error: Segmentation fault (program ld)
> Please submit a full bug report.
> See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
> make.exe: *** [weak12.exe] Fehler 1
> gcc -g -Wall -o weak13.exe weak2.o weak1.o weak3.o
> gcc -g -Wall -o weak14.exe weak2.o weak3.o weak1.o
> gcc -g -Wall -o weak15.exe weak3.o weak1.o weak2.o
>
> Process terminated by SIGSEGV
> gcc: Internal error: Segmentation fault (program ld)
> Please submit a full bug report.
> See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
> make.exe: *** [weak15.exe] Fehler 1
> gcc -g -Wall -o weak16.exe weak3.o weak2.o weak1.o
>
> Process terminated by SIGSEGV
> gcc: Internal error: Segmentation fault (program ld)
> Please submit a full bug report.
> See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
> make.exe: *** [weak16.exe] Fehler 1
>
> --
> Thomas Hoffmann                                    Telephone:
> 49-351-4598831
> thoffman at zappa.sax.de                                       Dresden,
> Germany
>
> ..sig under construction ...