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Re: System call support in reversible debugging
- From: Hui Zhu <teawater at gmail dot com>
- To: Sean Chen <sean dot chen1234 at gmail dot com>
- Cc: gdb at sourceware dot org
- Date: Fri, 27 Nov 2009 16:04:40 +0800
- Subject: Re: System call support in reversible debugging
- References: <5e81cb500911262231g57f693dwc885576172e016e1@mail.gmail.com>
This is a old query. For now, this munmap just can let prec ignore
some memory change record entry.
You can answer 'no' then inferior will keep exec. Most of thing will
be find. :)
Maybe we need update this query looks not so scary and do some other update.
Thanks,
Hui
On Fri, Nov 27, 2009 at 14:31, Sean Chen <sean.chen1234@gmail.com> wrote:
> Hi,
>
> Can gdb record system calls without checkpoints or snapshots
> currently? If not, is it possible to record the instructions and
> reverse the inferior?
>
> When I recorded fclose(), I got the following message.
> The next instruction is syscall munmap. ?It will free the memory addr
> = 0xb7fe0000 len = 4096. ?It will make record target get error. ?Do
> you want to stop the program?([y] or n)
>
> Thanks in advance.
>
> --
> Best Regards,
> Sean Chen
>