From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22247 invoked by alias); 15 Jan 2002 20:39:35 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 22213 invoked from network); 15 Jan 2002 20:39:35 -0000 Received: from unknown (HELO mail.get2chip.com) (64.169.83.2) by sources.redhat.com with SMTP; 15 Jan 2002 20:39:35 -0000 Message-ID: <3C449381.E96E8CC4@get2chip.com> Date: Tue, 15 Jan 2002 12:39:00 -0000 From: ccroswhite@get2chip.com Reply-To: ccroswhite@get2chip.com MIME-Version: 1.0 To: Kevin Buettner CC: gdb@sources.redhat.com Subject: Re: GDB and 64 bit References: <3C447EC6.91105808@get2chip.com> <1020115202130.ZM2595@localhost.localdomain> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-SW-Source: 2002-01/txt/msg00168.txt.bz2 Kevin, Here is an instance of both 1 and 2: > gdb bin-sunos5/meta-g GNU gdb 5.1 Copyright 2001 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "sparc-sun-solaris2.8"... (gdb) run Starting program: /home/csun/code2/src/bin-sunos5/meta-g This is the first line This is the second line This is the third line Initializing Tcl shit mm.c:900: failed assertion `((((void **) ptr) - headers_data_space(header)) % num_words) == 0' Program received signal SIGABRT, Aborted. 0xffffffff7e6a3074 in _libc_kill () from /usr/lib/64/libc.so.1 (gdb) where #0 0xffffffff7e6a3074 in _libc_kill () from /usr/lib/64/libc.so.1 #1 0xffffffff7e63cd44 in abort () from /usr/lib/64/libc.so.1 #2 0x100ae3ab4 in Letext () #3 0x100a0dbec in fre () #4 0x100a12ab0 in free () #5 0x1009f0764 in Tcl_Main () #6 0x1000e2244 in main () (gdb) break main.c:1 Breakpoint 1 at 0xe0e20: file main.c, line 1. (gdb) run The program being debugged has been started already. Start it from the beginning? (y or n) y Starting program: /home/csun/code2/src/bin-sunos5/meta-g warning: Cannot insert breakpoint 1: Cannot access memory at address 0xe0e20 (gdb) quit The program is running. Exit anyway? (y or n) y > file bin-sunos5/meta-g bin-sunos5/meta-g: ELF 64-bit MSB executable SPARCV9 Version 1, dynamically linked, not stripped > file /usr/local/bin/gdb /usr/local/bin/gdb: ELF 64-bit MSB executable SPARCV9 Version 1, dynamically linked, not stripped I have also included the executables and verified that it was linking in everything that is 64 bit. Chris Croswhite Get2Chip, Inc. Kevin Buettner wrote: > On Jan 15, 11:11am, ccroswhite@get2chip.com wrote: > > > I am trying to get gdb to understand 64 bit applications. I can not > > compile gdb with a configuration option (that is configure > > --host=sparcv9-sun-solaris2.8). So I have gone in and replaced gcc with > > gcc -m64 and ld with ld -64 (Solaris ld). gdb will now open the > > executable, however, it will not break and I have seen it print out > > variables in both 64 bit and 32 bit. I am not exactly sure why it is > > doing both 1:) printing out 64 and 32 bit code and 2:) why it will not > > break. > > Are the applications that you're debugging 32-bit or 64-bit? > > Could you provide more detail (i.e, a cut and paste of a sample GDB > session) showing problems 1 and 2 above? > > Thanks, > > Kevin