X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org To: cygwin@cygwin.com From: Ray Hurst Subject: Re: Issue with GDB under Cygwin and XP Date: Fri, 15 Feb 2008 15:21:45 -0800 Lines: 61 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) In-Reply-To: X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Here is a run of a HellowWorld program (listed below in gdb). Can someone tell me why the variables a, b, c are not the correct values. I dumped the local stack and the variables are correct on the stack. I'm running Windows XP under cygwin. gcc 4.2.3 The gdb run is as follows: GNU gdb 6.5.50.20060706-cvs (cygwin-special) Copyright (C) 2006 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 "i686-pc-cygwin"... (gdb) list ,20 11 #include 12 #include 13 14 int main(void) { 15 int a,b,c; 16 a = 10; 17 b = 20; 18 c = 30; 19 puts("!!!Hello World!!!"); /* prints !!!Hello World!!! */ 20 printf("\na = %d, b = %d, c = %d\n", a,b,c); (gdb) b main Breakpoint 1 at 0x401050: file ../src/HelloWorld.c, line 14. (gdb) run Starting program: /cygdrive/c/projects/Eclipse/WorkSpaces/cdt/HelloWorld/Debug/H elloWorld.exe Loaded symbols for /cygdrive/c/WINDOWS/system32/ntdll.dll Loaded symbols for /cygdrive/c/WINDOWS/system32/kernel32.dll Loaded symbols for /cygdrive/c/WINDOWS/system32/cygwin1.dll Loaded symbols for /cygdrive/c/WINDOWS/system32/advapi32.dll Loaded symbols for /cygdrive/c/WINDOWS/system32/rpcrt4.dll Loaded symbols for /cygdrive/c/WINDOWS/system32/secur32.dll Breakpoint 1, main () at ../src/HelloWorld.c:14 14 int main(void) { (gdb) n 16 a = 10; (gdb) n 17 b = 20; (gdb) n 18 c = 30; (gdb) n 19 puts("!!!Hello World!!!"); /* prints !!!Hello World!!! */ (gdb) print a $1 = 1627408910 (gdb) print b $2 = 1627408208 (gdb) print c $3 = 264 (gdb) Ray -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/