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Re: Fwd: disabling NMI rendering breakpoints non-functional?
- From: Pedro Alves <palves at redhat dot com>
- To: Kent Tong <kent dot tong dot mo at gmail dot com>
- Cc: gdb at sourceware dot org
- Date: Mon, 15 Apr 2013 15:38:11 +0100
- Subject: Re: Fwd: disabling NMI rendering breakpoints non-functional?
- References: <CAKs98dH7TShpfKe4cctTfbonDOkbS1m5rVZv0_WiXwqhTsW8ug at mail dot gmail dot com> <CAKs98dFpYNg-Yc8YLHxZ+HV6NBHNm6FkSWR-QbOWLhRHmebkjQ at mail dot gmail dot com>
On 04/12/2013 04:44 PM, Kent Tong wrote:
> Hi,
>
> It seems that after the code being traced disables NMI, gdb will not
> stop at the next instruction (si) or at breakpoints. Is this a bug or
> am I missing something?
>
> The code is seabios running in qemu i386.
GDB has no clue of NMI, it just tells the target to set a breakpoint at
some address, or to single-step. How qemu implements those things
behind the scenes is up to qemu.
--
Pedro Alves