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Re: GDB -w 'vanishes'


On Wed, 2005-02-09 at 14:10 -0800, Dave Johnson wrote:
> When I use the arm-elf-gdb -w from the prompt, it frequently
> disappears.  I get stackdumps like this:
> 
> Exception: STATUS_ACCESS_VIOLATION at eip=663173B7
> eax=6961746E ebx=00000000 ecx=77D494B0 edx=00000002 esi=0022E8F0
> edi=0022E964
> ebp=0022E8FC esp=0022E8D0
> program=C:\cygwin\opt\ecos\gnutools\arm-elf\bin\arm-elf-gdb.exe, pid
> 2740, thread main
> cs=001B ds=0023 es=0023 fs=003B gs=0000 ss=0023
> Stack trace:
> Frame     Function  Args
> 0022E8FC  663173B7  (002E088C, 0000001C, 00000000, 00000EE0)
> 0022E928  77D48709  (6631DF80, 002E088C, 0000001C, 00000000)
> 0022E990  77D487EB  (00000000, 6631DF80, 002E088C, 0000001C)
> 0022E9E4  77D4B368  (009ABF70, 0000001C, 00000000, 00000EE0)
> 0022EA0C  77D4B3B4  (0022EA1C, 00000018, 009ABF70, 0000001C)
> 0022EA5C  7C90EAE3  (0022EAB0, 00000000, 00000000, 00000000)
> 0022EA88  77D4CFF8  (0022EAB0, 00000000, 00000000, 00000000)
> 0022EAE8  66071CA7  (00000000, FFFFFFFD, 00000001, 00000000)
> 0022EB18  66050496  (00000000, 0022EC80, 0022EB38, 00401122)
> 0022EB28  6635826B  (0022EDE0, 0022EDA0, 0022EB48, 00420971)
> 0022EB38  00401122  (00000000, 0022EDA0, 0022EC78, 004207E0)
> 0022EB48  00420971  (0A0703A8, 0022ECB0, 0022EC54, 61791474)
> 0022EC78  004207E0  (00420960, 0A0703A8, 0022ECB0, 0022ECAC)
> 0022ECB8  004209CA  (004010D0, 00000000, 00401242, 00000006)
> 0022EDF8  00402174  (0022EFB8, 61005CB8, 0022EF38, 004207E0)
> 0022EE08  00420971  (006123F0, 0022EF70, 0022EF14, 00000010)
> End of stack trace (more stack frames may be present)
> 
> I tried to use gdb without the gui, but I could not find a tcp-remote
> target and instructions on how to upload the application to redboot
> (which is running on an ARM).  Is there a way to do this from the
> prompt?  Also, is it possible to do this from within DDD or GVD?

(gdb) target remote <RedBoot_IP>:9000
(gdb) load
... set your breakpoints, etc. here
(gdb) continue

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------


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