Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 11 Mar 2019 10:02:00 -0700
From:      John Baldwin <jhb@FreeBSD.org>
To:        Justin Hibbits <chmeeedalf@gmail.com>, Alexey Dokuchaev <danfe@freebsd.org>
Cc:        Justin Hibbits <jhibbits@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r344960 - head/sys/powerpc/powerpc
Message-ID:  <7e2e2cca-ae57-4ab4-6144-54cd196dce70@FreeBSD.org>
In-Reply-To: <20190310171640.31bb9c54@titan.knownspace>
References:  <201903090318.x293IcLc023548@repo.freebsd.org> <20190309085058.GA60945@FreeBSD.org> <20190310171640.31bb9c54@titan.knownspace>

next in thread | previous in thread | raw e-mail | index | archive | help
On 3/10/19 3:16 PM, Justin Hibbits wrote:
> On Sat, 9 Mar 2019 08:50:58 +0000
> Alexey Dokuchaev <danfe@freebsd.org> wrote:
> 
>> On Sat, Mar 09, 2019 at 03:18:38AM +0000, Justin Hibbits wrote:
>>> New Revision: 344960
>>> URL: https://svnweb.freebsd.org/changeset/base/344960
>>>
>>> Log:
>>>   powerpc: Print trap frame address for fatal traps
>>>   
>>>   MFC after:	1 week
>>>
>>> Modified:
>>>   head/sys/powerpc/powerpc/trap.c
>>>
>>> Modified: head/sys/powerpc/powerpc/trap.c
>>> ==============================================================================
>>> --- head/sys/powerpc/powerpc/trap.c	Sat Mar  9 03:15:09
>>> 2019	(r344959) +++ head/sys/powerpc/powerpc/trap.c
>>> Sat Mar  9 03:18:37 2019	(r344960) @@ -546,6 +546,7 @@
>>> printtrap(u_int vector, struct trapframe *frame, int i printf("
>>> current msr     = 0x%" PRIxPTR "\n", mfmsr()); printf("
>>> lr              = 0x%" PRIxPTR " (0x%" PRIxPTR ")\n", frame->lr,
>>> frame->lr - (register_t)(__startkernel - KERNBASE));
>>> +	printf("   frame           = %p\n", frame);
>>>  	printf("   curthread       = %p\n", curthread);  
>>
>> Some of those are printed with %PRIxPTR, some with %p.  Perhaps this
>> inconsistency can be avoided?
>>
>> ./danfe
> 
> PRIxPTR is for printing a pointer-like value that's not a pointer.  The
> other values printed are of type register_t, not void *.

Normally in FreeBSD sources we cast it to void * and use %p rather than the
PRI* macros FWIW.

-- 
John Baldwin



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7e2e2cca-ae57-4ab4-6144-54cd196dce70>