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Re: breakpoints/1321: GDB: problem with FPU


The following reply was made to PR breakpoints/1321; it has been noted by GNATS.

From: Daniel Jacobowitz <drow@mvista.com>
To: "Gvozdeva, Svetlana" <Svetlana_Gvozdeva@stl.sarov.ru>
Cc: gdb-gnats@sources.redhat.com, miwako.tokugawa@intel.com
Subject: Re: breakpoints/1321: GDB: problem with FPU
Date: Wed, 6 Aug 2003 09:45:14 -0400

 Any more recent version!  Either 5.3 or a 6.0 CVS snapshot.
 
 On Wed, Aug 06, 2003 at 05:23:24PM +0400, Gvozdeva, Svetlana wrote:
 > Hi, Daniel.
 > Thanks for fast reply.
 > My GDB version is :
 > GNU gdb Red Hat Linux 7.x (5.0rh-15) (MI_OUT)
 > 
 > What version should I use in RH7.2 instead this?
 > 
 > Thank you.
 > Good bye.
 > Svetlana.
 > 
 > -----Original Message-----
 > From: Daniel Jacobowitz [mailto:drow@mvista.com]
 > Sent: Wednesday, August 06, 2003 5:06 PM
 > To: Gvozdeva, Svetlana
 > Cc: gdb-gnats@sources.redhat.com; miwako.tokugawa@intel.com
 > Subject: Re: breakpoints/1321: GDB: problem with FPU
 > 
 > 
 > On Wed, Aug 06, 2003 at 05:39:30AM -0000, sana@stl.sarov.ru wrote:
 > > 
 > > >Number:         1321
 > > >Category:       breakpoints
 > > >Synopsis:       GDB: problem with FPU
 > > >Confidential:   no
 > > >Severity:       serious
 > > >Priority:       medium
 > > >Responsible:    unassigned
 > > >State:          open
 > > >Class:          sw-bug
 > > >Submitter-Id:   net
 > > >Arrival-Date:   Wed Aug 06 05:48:00 UTC 2003
 > > >Closed-Date:
 > > >Last-Modified:
 > > >Originator:     sana@stl.sarov.ru
 > > >Release:        unknown-1.0
 > > >Organization:
 > > >Environment:
 > > 32 bit Linux, RH7.2
 > > >Description:
 > > Strange problem with GDB on RH7.2 only.
 > > 
 > > Very simple test is (real failed tests are more complex but this simple
 > test reproduces situation): 
 > > 
 > >         program attribute_save 
 > >         real r 
 > >         i = 1 
 > >         r = 2.0 
 > >         print *,r 
 > >         end 
 > > 
 > > Assembler is (interesting fragment): 
 > > 
 > > 08049528 <MAIN__>: 
 > >  8049528:       55                      push   %ebp 
 > >  8049529:       8b ec                   mov    %esp,%ebp 
 > >  804952b:       83 ec 03                sub    $0x3,%esp 
 > >  804952e:       83 e4 f8                and    $0xfffffff8,%esp 
 > >  8049531:       83 c4 04                add    $0x4,%esp 
 > >  8049534:       83 ec 24                sub    $0x24,%esp 
 > >  8049537:       c7 05 ec 38 0a 08 01    movl   $0x1,0x80a38ec 
 > >  804953e:       00 00 00 
 > >  8049541:       d9 05 b0 81 09 08       flds   0x80981b0 
 > >  8049547:       d9 1d f0 38 0a 08       fstps  0x80a38f0 
 > >  804954d:       c7 45 dc 00 00 00 00    movl   $0x0,0xffffffdc(%ebp) 
 > >  8049554:       d9 05 f0 38 0a 08       flds   0x80a38f0 
 > >  804955a:       d9 1d e8 38 0a 08       fstps  0x80a38e8 
 > 
 > You didn't say what version of GDB.  Is it the old version which came
 > with RH7.2?  If so, this is a known and fixed bug in GDB, use a newer
 > one instead.
 > 
 > 
 > -- 
 > Daniel Jacobowitz
 > MontaVista Software                         Debian GNU/Linux Developer
 
 
 
 -- 
 Daniel Jacobowitz
 MontaVista Software                         Debian GNU/Linux Developer


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