gdbserver 6.4.50 on Coldfire

gdbserver 6.4.50 on Coldfire

[Jean-Rene Peulve]

Hi,

I compiled gdbserver (from gdb-6.4.50.20060405) on my uClinux Coldfire tree 
(m68knommu).

I then encounter 2 problems:

1) linux-low.c uses fork when vfork should be use for system without MMU.
  I changed this and went to the next problem

2) the older gdbserver was displaying the address of the main sections: 
.text, .data and .bss
  Without this info, I cannot use the add_symbol_file xxx.gdb text_addr -s 
.data data_addr -s .bss bss_addr

There was the following function called by server.c:main() after 
start_inferior()
or attach_inferior ()

void
show_area()
{

     code_start = ptrace (PTRACE_PEEKUSER, inferior_pid,
                                  (PTRACE_ARG3_TYPE) 49*4, 0);
     data_start = ptrace (PTRACE_PEEKUSER, inferior_pid,
                                  (PTRACE_ARG3_TYPE) 50*4, 0);
     bss_start = data_start;
     code_end = ptrace (PTRACE_PEEKUSER, inferior_pid,
                                  (PTRACE_ARG3_TYPE) 51*4, 0);

     fprintf(stderr,"code at %p - %p, data at %p\n", code_start, code_end, 
data_start);
}





What is the status of the support of m68knommu in gdbserver ?


Jean-René Peulvé 

Re: gdbserver 6.4.50 on Coldfire

[Daniel Jacobowitz]

On Tue, Apr 18, 2006 at 10:40:15AM +0200, Jean-Rene Peulve wrote:
> What is the status of the support of m68knommu in gdbserver ?

There isn't any.  No one has contributed uClinux support for gdbserver.
However, we (CodeSourcery) just needed this for another project; I'll
poke those folks to submit these bits :-)

-- 
Daniel Jacobowitz
CodeSourcery