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From: Andrew Haley <aph@redhat.com>
To: Bryce McKinlay <bmckinlay@gmail.com>
Cc: Dehao Chen <dehao@google.com>, Richard Henderson <rth@redhat.com>,
	       Jason Merrill <jason@redhat.com>,
	       Richard Guenther <richard.guenther@gmail.com>,
	gcc-patches@gcc.gnu.org,        David Li <davidxl@google.com>,
	java@gcc.gnu.org
Subject: Re: [PATCH] Set correct source location for deallocator calls
Date: Tue, 04 Sep 2012 17:12:00 -0000	[thread overview]
Message-ID: <50463661.1020303@redhat.com> (raw)
In-Reply-To: <CALUNu-p2-rvGCLYn9s1gy-rGOq+cOwZCw9S1Twbjcba0dVKTfQ@mail.gmail.com>

On 09/04/2012 06:08 PM, Bryce McKinlay wrote:
> On Tue, Sep 4, 2012 at 5:39 PM, Andrew Haley <aph@redhat.com> wrote:
>> On 09/04/2012 05:32 PM, Bryce McKinlay wrote:
>>> On Tue, Sep 4, 2012 at 5:07 PM, Dehao Chen <dehao@google.com> wrote:
>>>> On Thu, Aug 30, 2012 at 9:33 AM, Richard Henderson <rth@redhat.com> wrote:
>>>>> On 08/30/2012 08:20 AM, Andrew Haley wrote:
>>>>>> Is the problem simply that the logic to
>>>>>> scan the assembly code isn't present in the libgcj testsuite?
>>>>>
>>>>> Yes, exactly.
>>>>
>>>> For this case, I don't think that we want a testcase to rely on
>>>> addr2line in the system. So how about that that we add a test when
>>>> assembly scan is available in libgcj testsuit?
>>>
>>> Once Ian Lance Taylor's libbacktrace patch is integrated (see:
>>> http://gcc.gnu.org/ml/gcc/2012-08/msg00317.html), we'll be able to get
>>> rid of the code that calls addr2line from libgcj.
>>
>> As I understand it, Ian Taylor's backtrace patch is intended for use in
>> gcc development, and as he puts it "Since its use in GCC would
>> be purely for GCC developers, it's not essential that it be fully
>> portable."  Not for gcj runtime.
> 
> He's also planning to use it for libgo, and other gcc runtime libs
> have indicated interest. It doesn't have to work on all platforms, and
> I can't see how it would be any less portable than addr2line!

I certainly can.  Maybe once it's shaken-down so it's at least as
robust as what we have now it'll be OK.  I suspect it hasn't had much
testing with, for example, unwinding through signal handlers.

Andrew.


  reply	other threads:[~2012-09-04 17:12 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAO2gOZXfnETUe4wqjT7p6fd61hXreu9PDfqKxNz+HxpE0E7K0g@mail.gmail.com>
     [not found] ` <CAO2gOZX_hZ1m0xKvxUg+6gWTOX4V5ok-vvCEg3Vhfpt=qXj8-g@mail.gmail.com>
     [not found]   ` <CAFiYyc00wud5Oa3k51ntm8KeZHZnfm4rpnBsOJjURZMcoqFdTA@mail.gmail.com>
     [not found]     ` <50228C38.5080703@redhat.com>
     [not found]       ` <CAO2gOZUbkTsnJ2fwgeNhcRmxkzzJEifECeiF=_YRUjeKDeRMdA@mail.gmail.com>
     [not found]         ` <502294A1.3060800@redhat.com>
     [not found]           ` <50243480.7090803@redhat.com>
     [not found]             ` <CAO2gOZURCuWUk2MVwCwmwrijNzWxJt3q=HUpU7=Qv6zB9e-uqA@mail.gmail.com>
     [not found]               ` <50254A50.8070208@redhat.com>
     [not found]                 ` <CAO2gOZXhHuFGJ0z=jvkYKZ84EoDaPSYVjxS7QzGore56SyhWyQ@mail.gmail.com>
     [not found]                   ` <50255B35.9020705@redhat.com>
     [not found]                     ` <CAO2gOZWe+qMrVyvOoo7Ek-di0NKZxxU4Z=pqrDCqqCCAfctZOw@mail.gmail.com>
     [not found]                       ` <50258712.4070002@redhat.com>
     [not found]                         ` <CAO2gOZUQQjmKtooyXXAfgFoNVbeNwtT+P=E7pQ6jC=e07Nsr2g@mail.gmail.com>
     [not found]                           ` <CAO2gOZX-Gn+b6LEzps5zxhgmwQWcJ-zFqG=a7hesW6fbVyxZYQ@mail.gmail.com>
     [not found]                             ` <502E6774.8050609@redhat.com>
     [not found]                               ` <CAO2gOZWhueDAShNLbNcJpkHA6QqXk1LNZhEMFvfT77aTZTCH9w@mail.gmail.com>
2012-08-30 14:28                                 ` Richard Henderson
2012-08-30 14:45                                   ` Bryce McKinlay
2012-08-30 15:20                                   ` Andrew Haley
2012-08-30 16:33                                     ` Richard Henderson
2012-09-04 16:07                                       ` Dehao Chen
2012-09-04 16:22                                         ` Andrew Haley
2012-09-04 20:40                                           ` Dehao Chen
2012-09-04 16:32                                         ` Bryce McKinlay
2012-09-04 16:40                                           ` Andrew Haley
2012-09-04 17:08                                             ` Bryce McKinlay
2012-09-04 17:12                                               ` Andrew Haley [this message]
2012-09-04 17:17                                                 ` Bryce McKinlay
2012-09-04 17:21                                                   ` Andrew Haley
2012-09-04 20:32                                                     ` Dehao Chen
2012-09-05  7:29                                                       ` Andrew Haley
2012-09-05  7:31                                                         ` Andrew Pinski
2012-09-05  9:58                                                   ` Mark Wielaard
2012-09-08 21:42                                                     ` Dehao Chen
2012-09-14 15:14                                                       ` Dehao Chen
2012-09-14 15:20                                                       ` Andrew Haley
2012-09-15  4:25                                                       ` H.J. Lu
2012-09-15  4:27                                                         ` H.J. Lu
2012-09-15  4:27                                                         ` Andrew Pinski
2012-09-15 12:55                                                           ` H.J. Lu
2012-09-15 16:09                                                             ` Dehao Chen
2012-09-15 18:06                                                               ` H.J. Lu
2012-09-15 22:03                                                                 ` Dehao Chen
2012-09-15 22:31                                                                   ` Mark Wielaard
2012-09-15 22:39                                                               ` Mark Wielaard

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