Comment 5 for bug 943539

Steve Langasek (vorlon) wrote :

Seems to be related to libgc which w3m uses. Even trying to cross-build a debug version of w3m fails because it tries to run mktables at build time which is also linked to libgc:

gdb-multiarch ./mktable
GNU gdb (Ubuntu/Linaro 7.4-0ubuntu1) 7.4
Copyright (C) 2012 Free Software Foundation, Inc.
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For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /tmp/w3m-0.5.3/mktable...done.
(gdb) set architecture armv5t
(gdb) target remote localhost:1234
Remote debugging using localhost:1234
[New Remote target]
Reading symbols from /lib/ld-linux.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.3
[Switching to Remote target]
0x40801c80 in ?? () from /lib/ld-linux.so.3
(gdb) break main
Breakpoint 1 at 0x8920: file mktable.c, line 30.
(gdb) cont
Continuing.

Breakpoint 1, main (argc=1, argv=0x4080061c, envp=0x40800624) at mktable.c:30
30 {
(gdb) stepi
0x00008924 30 {
(gdb)
30 {
(gdb)
0x00008928 30 {
(gdb)
39 GC_INIT();
(gdb)
0x000088f8 in GC_init ()
(gdb) bt
#0 0x000088f8 in GC_init ()
#1 0x0000892e in main (argc=1, argv=0x4080061c, envp=<optimized out>)
    at mktable.c:39
(gdb) fin
Run till exit from #0 0x000088f8 in GC_init ()

Program received signal SIGSEGV, Segmentation fault.
0x40834de6 in ?? ()