RE: -ffunction-sections and gdb

[Ramana Radhakrishnan <ramana dot radhakrishnan at codito dot com>]

On Wed, 2005-07-27 at 15:29 -0700, Yi Sun wrote:
> Hi Daniel,
> I've tried it on the latest gdb (6.3),  however it is still not working.
> ~> ~/gdb-6.3/gdb/gdb *.elf

2 things you could try out: 

1. Does this exist with more recent versions of gcc.  
2. Post a testcase with a FSF version of gcc somewhere here,a pruned
testcase would help anyone who wanted to take a look at this. 

cheers
Ramana
> 
> GNU gdb 6.3
> 
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> 
> This GDB was configured as "--host=sparc-sun-solaris2.9
> --target=mips"...
> 
> (gdb) list *syn_cookie_ager
> 
> No source file for address 0x18e33d8.
> 
> (gdb)
> 
> Do you have any suggestions? As long as -ffunction-sections is removed
> from my cflags everthing will be ok.
> Yi
>  
> 
> 
> 
> -----Original Message-----
> From: Daniel Jacobowitz [mailto:drow@false.org] 
> Sent: Wednesday, July 27, 2005 11:11 AM
> To: Yi Sun
> Cc: gdb@sources.redhat.com
> Subject: Re: -ffunction-sections and gdb
> 
> 
> On Wed, Jul 27, 2005 at 11:05:22AM -0700, Yi Sun wrote:
> > Hi,
> > 
> > I have some code built with -ffunction-sections and running on a mip64
> 
> > embedded platform. My code can be booted and ran. But when I'm using 
> > list command in gdb with my image, gdb complains "no source file for 
> > address".  I'm using gdb 5.0 and it configured as 
> > "--host=sparc-sun-solaris2.6 --target=mips". My gcc is "gcc version 
> > 2.9-gnupro-99r1".
> > 
> > Gcc manual said that if you use -ffunction-sections, gdb may not work.
> > 
> > My question is:
> > 
> > Is there a fix or workaround for this problem?
> 
> Sorry, but that version of GDB is so old that we can't help you with it.
> You may want to try a more recent version of GDB.
>