Greg,
Is your GDB hosted on MIPS or another machine? Are
those patches freely available? If so, can you
provide a link? Google seems to find mostly kgdb
patches - are these what you used?
Brian
--- Greg Weeks <greg.weeks@xxxxxxxxxxx> wrote:
> Brian Kuschak wrote:
>
> >Is anyone succesfully using gdb for mipsel to debug
> >core dumps? If so, can you share your secrets for
> >success? I tried various recent versions (6.3,
> >6.1.1), but backtrace never works right, even
> though
> >the stack pointer appears to be valid. gdb-5.3
> >partially works, but not completely.
> >
> >Forcing gdb to use a specific stack pointer and PC
> >(frame <sp> <pc>) doesn't seem to help either.
> >
> >Using linux 2.4.25 and gcc 3.3.3.
> >
> >
> >
> It appears to work for me. My gdb has a ton of
> patches from Amit Kale
> though. The kernel is the latest malta with a couple
> of patches that
> shouldn't affect gdb.
>
> -bash-2.05b# gdb
> GNU gdb TimeSys Linux (6.2.1-1rh)
> Copyright 2004 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General
> Public License, and you are
> welcome to change it and/or distribute copies of it
> under certain
> conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB. Type "show
> warranty" for details.
> This GDB was configured as "mipsel-linux".
> (gdb) file gdb_core_tester
> Reading symbols from
>
/root/TestWare/TTS_2.4.2/command/gdb_man/gdb_core_tester...done.
> Using host libthread_db library
> "/lib/libthread_db.so.1".
> (gdb) core-file core.2045
> Core was generated by `./gdb_core_tester'.
> Program terminated with signal 11, Segmentation
> fault.
> Reading symbols from /usr/lib/libgcc_s.so.1...done.
> Loaded symbols for /usr/lib/libgcc_s.so.1
> Reading symbols from /lib/libc.so.6...done.
> Loaded symbols for /lib/libc.so.6
> Reading symbols from /lib/ld.so.1...done.
> Loaded symbols for /lib/ld.so.1
> #0 0x00400f48 in add_node (rootptr=0x1000105c,
> nodeval=193)
> at create_core.c:75
> 75 if(node_ptr->value.value >= nodeval)
> {
> (gdb) bt
> #0 0x00400f48 in add_node (rootptr=0x1000105c,
> nodeval=193)
> at create_core.c:75
> #1 0x00400fcc in add_node (rootptr=0x10001048,
> nodeval=193)
> at create_core.c:81
> #2 0x00400f74 in add_node (rootptr=0x10000140,
> nodeval=193)
> at create_core.c:76
> #3 0x00400df8 in create_tree (rootptr=0x10000140)
> at create_core.c:38
> #4 0x00400b4c in main (argc=1, argv=0x7f931b44) at
> main.c:25
>
> Greg Weeks
>
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