This is the mail archive of the
gdb@sources.redhat.com
mailing list for the GDB project.
Re: Using gdb with JEENI
- To: gdb at sourceware dot cygnus dot com
- Subject: Re: Using gdb with JEENI
- From: Jeremy Lin <chienyul at yahoo dot com>
- Date: Thu, 18 Jan 2001 10:18:44 -0800 (PST)
It is cygwin 1.1, I installed in in August 2000.
Thanks!
Jeremy Lin
--- Fernando Nasser <fnasser@cygnus.com> wrote:
> Which version of Cygwin are you using?
>
> Jeremy Lin wrote:
> >
> > I have a problem using JEENI with GDB 5.0 debugging.
> > JEENI FirmwareVersion:2.0
> > Connected via serial port and RDI(tar rdi s=com2),
> > I'm doing the eCos porting to our customize board based on
> > Samsung KS32C50100 (ARM7TDMI core). Right now I'm debugging
> > the ROM image which initialize the board. The problem is, for example,
> > here is a sample instructions of the ROM image dump by gnu objdump:
> > 00008060 <reset_vector>:
> > 8060: e59f0458 ldr r0, [pc, #458]
> > 8064: e5800000 str r0, [r0]
> >
> > 00008068 <warm_reset>:
> > 8068: e3a00000 mov r0, #0 ; 0x0
> > 806c: e5800040 str r0, [r0, #64]
> > 8070: e59f144c ldr r1, [pc, #44c]
> > 8074: e5912008 ldr r2, [r1, #8]
> > 8078: e5802008 str r2, [r0, #8]
> > 807c: e5912040 ldr r2, [r1, #64]
> > 8080: e5802028 str r2, [r0, #40]
> > 8084: ef000000 swi 0x00000000
> >
> > when I set a breakpoint"b *0x8070" then "continue", it breaks
> > normally. But after that I type "stepi" to run next instruction.
> > This message comes out and gdb was terminated:
> >
> > 0 [main] arm-elf-gdb 1003 handle_exceptions: Exception: \
> > STATUS_ACCESS_VIOLATION
> > 21532 [main] arm-elf-gdb 1003 stackdump: Dumping stack trace to
> > arm-elf-gdb.exe.stack.dump
> > Segmentation fault (core dump)
> >
> > This happens also when I set the 2nd breakpoint (for example, at 0x8080)
> and
> > enter "continue". So I can only set one breakpoint at a time...
> > Does any one have the same problem?
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Get email at your own domain with Yahoo! Mail.
> > http://personal.mail.yahoo.com/
>
> --
> Fernando Nasser
> Red Hat - Toronto E-Mail: fnasser@redhat.com
> 2323 Yonge Street, Suite #300
> Toronto, Ontario M4P 2C9
__________________________________________________
Do You Yahoo!?
Get email at your own domain with Yahoo! Mail.
http://personal.mail.yahoo.com/