Re: [patch, rfc, 6] Check for "main" in minimal symbols in BT

[Daniel Jacobowitz <drow@mvista.com>]

On Mon, Jul 07, 2003 at 04:42:05PM -0400, Andrew Cagney wrote:
> Hello,
> 
> This patch extends the inside_main_func() check so that, when "main" 
> isn't found in the symbol table,  the mimimal symbol table is searched. 
>  In case you're wondering, the logic for finding the end address of 
> "main" was cobbled together from random bits of code from blockframe and 
> the alpha.  It certainly appears to work for d10v and i386.
> 
> Anyway, with this, the d10v's assembler backtrace stops at main goving 
> the short 'n' sharp backtrace
> 
> 	foo2
> 	main
> 
> instead of the current:
> 
> 	foo2
> 	main
> 	_start
> 	_start
> 
> The patch (since things now stop in "main") also removes the d10v 
> specific frame ID eq test; and updates the testsuite so that it doesn't 
> allow "_start" in the backtrace.
> 
> I intend checking this into both 6.0 branch and mainline in a few days.

Definitely like the patch!  Should we make inside_entry_func also check
the minimal symbol table?  Since we have the entry point PC reliably
(via ELF headers).

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer