Re: breakpoints/1052: GDB 5.3 (macro supporting) - macro value is string without quotes.

[Daniel Jacobowitz <drow at mvista dot com>]

The following reply was made to PR breakpoints/1052; it has been noted by GNATS.

From: Daniel Jacobowitz <drow@mvista.com>
To: sana@stl.sarov.ru
Cc: gdb-gnats@sources.redhat.com, miwako.tokugawa@intel.com
Subject: Re: breakpoints/1052: GDB 5.3 (macro supporting) - macro value is string without quotes.
Date: Wed, 12 Feb 2003 10:16:12 -0500

 On Wed, Feb 12, 2003 at 08:28:47AM -0000, sana@stl.sarov.ru wrote:
 > 
 > >Number:         1052
 > >Category:       breakpoints
 > >Synopsis:       GDB 5.3 (macro supporting) - macro value is string without quotes.
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       high
 > >Responsible:    unassigned
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Wed Feb 12 08:38:00 UTC 2003
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     sana@stl.sarov.ru
 > >Release:        unknown-1.0
 > >Organization:
 > >Environment:
 > 32-bit and 64-bit Linux, GDB 5.3
 > >Description:
 > GDB 5.3 supports work with section .debug_macinfo.
 > During testing it has been found out that GDB 5.3 has problem with printing of macro symbols whose value is string without quotes.
 > But it is usual parctice to use such values.
 > 
 > tets.c:
 > 
 > #define PREFIX    small 
 > main()
 > {
 > int PREFIX_i = 10, PREFIX_j;
 > 
 > PREFIX_j = abs(PREFIX_i);
 > return;
 > }
 > 
 > 
 > GDB's output for this test is:
 > 
 > This GDB was configured as "i686-pc-linux-gnu"...
 > (gdb) b main
 > Breakpoint 1 at 0x8048aef: file test2.c, line 4.
 > (gdb) r
 > Starting program: /home1/sana/macro/tr/a.out 
 > 
 > Breakpoint 1, main () at test2.c:4
 > 4       int PREFIX_i = 10, PREFIX_j;
 > (gdb) p PREFIX
 > No symbol "small" in current context.
 > (gdb) 
 
 Same question as for your other report - why do you think this is a
 bug, and what do you expect GDB to do when you say "p PREFIX"?  "macro
 expand PREFIX" will work, but "PREFIX" as an expression is a syntax
 error because small is undeclared.
 
 
 -- 
 Daniel Jacobowitz
 MontaVista Software                         Debian GNU/Linux Developer