About bfd_elf32_xx_vec

[Andrew Cagney]

>>This looks like more of a BINUTILS (binutils@sources.redhat.com) 
>>question.  Can you, for instance, get OBJDUMP to build?
>>
>>Andrew
>>
> 
> I'm so grateful for your response and sorry to bother you again.
> Do you mean that GDB needs BINUTILS's support? So if I want to port gdb ,I
> should make some changes to BINUTILS  first?Is there some other special
> support gdb requires? And how can I get OBJDUMP? What kind of file is it? 

GDB and BINUTILS share a common repository and much code so it is 
possible to CO either or both together.  See: 
http://sources.redhat.com/binutils/.  Also see: 
http://sources.redhat.com/gdb/current/ (use gdb+binutils).

Andrew