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[debbugs-tracker] bug#9927: closed (24.1.50; unexec/unexmacosx doesn't g

From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#9927: closed (24.1.50; unexec/unexmacosx doesn't grok GCC 4.6+ sections)
Date: Thu, 18 Sep 2014 05:29:02 +0000

Your message dated Wed, 17 Sep 2014 22:27:56 -0700
with message-id <address@hidden>
and subject line Re: 24.1.50; unexec/unexmacosx doesn't grok GCC 4.6+ sections
has caused the debbugs.gnu.org bug report #9927,
regarding 24.1.50; unexec/unexmacosx doesn't grok GCC 4.6+ sections
to be marked as done.

(If you believe you have received this mail in error, please contact

9927: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9927
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--- Begin Message --- Subject: 24.0.90; unexec/unexmacosx fails with GCC 4.6.1 on intel Mac OS X 10.6.8 Date: Tue, 1 Nov 2011 01:24:20 +0100

Configuration with a modified configure script (see bug#9755) and compilation 
are fine, until it's time to create emacs from temacs:

        --- Load Commands written to Output File ---
        Writing segment __PAGEZERO       @        0 (       0/  0x1000 @        
        Writing segment __TEXT           @        0 (0x1b2000/0x1b2000 @     
        Writing segment __DATA           @ 0x1b2000 (0x1dc000/0x1dc000 @   
                section __dyld           at 0x1b2000 - 0x1b201c (sz:     0x1c)
                section __nl_symbol_ptr  at 0x1b201c - 0x1b2b08 (sz:    0xaec)
                section __la_symbol_ptr  at 0x1b2b08 - 0x1b36d0 (sz:    0xbc8)
                section __const          at 0x1b36d0 - 0x1b4b08 (sz:   0x1438)
                section __data           at 0x1b4b10 - 0x349c92 (sz: 0x195182)
        unexec: unrecognized section name in __DATA segment

Before it was reported:

        2 LC_SEGMENT            736 __DATA             0x1b3000 0x1dc000
                                   __dyld             0x1b3000     0x1c
                                   __nl_symbol_ptr    0x1b301c    0xaec
                                   __la_symbol_ptr    0x1b3b08    0xbc8
                                   __const            0x1b46d0   0x1438
                                   __data             0x1b5b10 0x195182
                                   __static_data      0x34ac92      0x3
                                   __pu_bss2          0x34ac98   0x5418
                                   __pu_bss4          0x3500b0   0x8634
                                   __bss2             0x3586e4  0x2faec
                                   __bss4             0x3881d0   0x6564

So it's presumingly the unconventional __static_data section name that produces 
the premature end of dumping. The GCC 4.6.1 I am using is not supported and not 
modified by Apple – is updating unexmacosx.c worth the effort?



Either this man is dead or my watch has stopped.
                                - Groucho Marx

--- End Message ---
--- Begin Message --- Subject: Re: 24.1.50; unexec/unexmacosx doesn't grok GCC 4.6+ sections Date: Wed, 17 Sep 2014 22:27:56 -0700 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.1.1
Stefan Monnier wrote:
Looking at the patch I have no idea how "safe" it is.

OK, thanks, I'll leave emacs-24 alone then. Closing the bug, as it appears to be fixed in the trunk.

--- End Message ---

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