Re: gdbserver

[David Daney <ddaney@avtrex.com>]

Ratin Rahman (mratin) wrote:
> Anybody had luck with compiling gdbserver for mipsel? I am using x86
> based machine running Fedora 2.6.11 kernel, the target device is IDT 434
> running Mipsel 2.6.10 kernel. The gcc crosscompiler is mipsel-linux-gcc
> and version 3.2.3.
> 
> I did a ./configure --host=mipsel-linux-gnu --target=mipsel-linux-gnu
> followed by a make. Make failed with the messages: 
> 
> /opt/mipseltools/mipsel-linux/sys-include/sys/ptrace.h:33: syntax error
> before numeric constant
> /opt/mipseltools/mipsel-linux/sys-include/sys/ptrace.h:49: syntax error
> before numeric constant
> /opt/mipseltools/mipsel-linux/sys-include/sys/ptrace.h:61: syntax error
> before numeric constant
> /opt/mipseltools/mipsel-linux/sys-include/sys/ptrace.h:94: syntax error
> before numeric constant
> /opt/mipseltools/mipsel-linux/sys-include/sys/ptrace.h:112: syntax error
> before numeric constant
> linux-low.c: In function `kill_lwp':
> linux-low.c:760: warning: unused variable `tkill_failed'
> make: *** [linux-low.o] Error 1
> [root@Clearnet gdbserver]# nano
> /opt/mipseltools/mipsel-linux/sys-include/sys/ptrace.h
> [root@Clearnet gdbserver]# nano
> /opt/mipseltools/mipsel-linux/sys-include/sys/ptrace.h
> 
> 
> The content of ptrace.h has the enums declared as 
> 
> /* Type of the REQUEST argument to `ptrace.'  */
> enum __ptrace_request
> {
>   /* Indicate that the process making this request should be traced.
>      All signals received by this process can be intercepted by its
>      parent, and its parent can use the other `ptrace' requests.  */
>   PTRACE_TRACEME = 0,
> <==================================line 33
> #define PT_TRACE_ME PTRACE_TRACEME
> 
>   /* Return the word in the process's text space at address ADDR.  */
>   PTRACE_PEEKTEXT = 1,
> #define PT_READ_I PTRACE_PEEKTEXT
> 
> 
> ..which looks pretty normal to me , anybod yhave any clue? 
> Thanks,
> 

Perhaps your toolchain is broken, or perhaps you need to configure 
differently.

With my glibc-2.3.3/gcc-3.4.3 toolchain I do:
../gdb-6.6/configure  --target=mipsel-linux --host=mipsel-linux 
--build=i686-pc-linux-gnu

Then make and voila! gdb, gdbserver et al. are built.

David Danay