This is the mail archive of the gdb@sourceware.org mailing list for the GDB project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: arm reversible execution query

From: Michael Snyder <msnyder at vmware dot com>
To: paawan oza <paawan1982 at yahoo dot com>
Cc: "gdb at sourceware dot org" <gdb at sourceware dot org>
Date: Mon, 31 Jan 2011 10:53:14 -0800
Subject: Re: arm reversible execution query
References: <442684.38194.qm@web112512.mail.gq1.yahoo.com> <4D309B17.7020400@vmware.com> <610357.40561.qm@web112518.mail.gq1.yahoo.com>

paawan oza wrote:

Hi all,

I have been wroking on arm-reversible implementation and doing arm insn part. I am done with framework, and supporting 30-40% on insns till now. when I simply test on arm board, I find that,

all the memory and registers are replayed correctly and recording is happening. but, do I need to save Program counter explicitly ? doesnt gdb reversible framework take care of changing pc when I apply reverse-stepi/nexti command ?

as i386-tdep.c, does not seem to be saving PC explicitly.

please clarify.

i386-tdep.c does save the PC ($eip), at the end of function i386_process_record.

If you don't save the PC, how can you do a reverse jump?

References:
- regcache_raw_supply query
  - From: paawan oza
- Re: regcache_raw_supply query
  - From: Michael Snyder
- arm reversible execution query
  - From: paawan oza

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]