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Re: gdbserver on sh4


michael wrote:
Hi all,

I crosscompile the gdb server for sh and I have trouble to debug a simple application,
using it.

I try with the gdb-6.8

./configure --target=sh4-linux

sh3-linux-gcc is a nptl toolchain

CC=sh3-linux-gcc ./configure --host=sh4-linux

server side

./gdbserver-6.8 ./foobar_sample Process ./foobar_sample created; pid = 817 Listening on port 1234 Remote debugging from host

client side
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=x86_64-unknown-linux-gnu --target=sh-linux"...
(gdb) target remote
Remote debugging using
[New Thread 817]
Got object file from memory but can't read symbols: File format not recognized.
0x00000000 in ?? ()

This is how the toolchain is configured
sh3-linux-gcc -v
Using built-in specs.
Target: sh3-linux
Configured with: /home/kpit/fsfsrc/v0701/gcc-4.2-20061205/configure --host=i686-linux --target=sh3-linux --prefix=/usr/share/gnush4-nofpu_linux_v0701-1 --with-cpu=sh4-nofpu --with-sysroot=/usr/share/gnush4-nofpu_linux_v0701-1/sh3-linux/sys-root --with-local-prefix=/usr/share/gnush4-nofpu_linux_v0701-1/sh3-linux/sys-root --disable-nls --enable-threads --enable-symvers=gnu --disable-__cxa_atexit --enable-languages=c,c++ --enable-c99 --enable-long-long --disable-multilib

(gdb) b main
Breakpoint 1 at 0x4003e6: file main.c, line 23.
(gdb) c

Program received signal SIGTRAP, Trace/breakpoint trap.
0x7b9dedec in ?? ()

Can anybody help to find the problem?

Kind regards

I fix this problem, is not a gdb server or gdb problem.


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