From: Earl Chew <echew@ixiacom.com>
To: David Daney <ddaney@caviumnetworks.com>
Cc: "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>
Subject: Re: Filling in struct mips64_watch_regs from a 32 bit process
Date: Mon, 31 Jan 2011 17:12:28 -0800 [thread overview]
Message-ID: <4D475DFC.1040401@ixiacom.com> (raw)
In-Reply-To: <4D475BCB.9050403@caviumnetworks.com>
>> I notice that a 32 bit process running on a 64 bit kernel is expected to
>> know that it should fill in mips64_watch_regs --- even though it is running
>> against a 32 bit ABI.
>>
>> Is this an oversight, or am I missing something ?
>
> It is intentional.
Oh I see ... I have to call PTRACE_SET_WATCH_REGS first in order to figure
out whether the kernel is expecting me to use pt_watch_style_mips32 or
pt_watch_style_mips64.
Thanks.
Earl
next prev parent reply other threads:[~2011-02-01 1:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-01 0:41 Filling in struct mips64_watch_regs from a 32 bit process Earl Chew
2011-02-01 1:03 ` David Daney
2011-02-01 1:12 ` Earl Chew [this message]
2011-02-01 1:24 ` David Daney
2011-02-01 1:26 ` Earl Chew
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