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Date: Mon, 30 Jan 2012 00:54:00 -0000
From: Robert Dewar <dewar@adacore.com>
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To: Jan Kratochvil <jan.kratochvil@redhat.com>
CC: Xin Tong <xerox.time.tech@gmail.com>, gdb@sourceware.org
Subject: Re: software breakpoint in gdb
References: <CALKntY0W-HiSUS5jeMveKRnutAntC0y8yPCGAnrZgP=_TrRULg@mail.gmail.com> <20120129165303.GA18465@host2.jankratochvil.net>
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On 1/29/2012 11:53 AM, Jan Kratochvil wrote:
> On Sun, 29 Jan 2012 17:48:30 +0100, Xin Tong wrote:
>> What if the interrupt instruction is bigger than breakpointed
>> instruction ?
>
> I do not know about such architecture, it probably does not exist.

It sure would be a disastrous mistake to make in any architectural
design. the x86 of course has a one byte interrupt instruction
precisely for this purpose.