GNU bug report logs - #8395
Compile error with Xcode 4.1 in unexec

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: "William R. Otte" <wotte <at> dre.vanderbilt.edu>
Subject: bug#8395: closed ()
Date: Mon, 11 Jul 2011 23:27:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#8395: Compile error with Xcode 4.1 in unexec

which was filed against the emacs,ns package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 8395 <at> debbugs.gnu.org.

-- 
8395: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=8395
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: YAMAMOTO Mitsuharu <mituharu <at> math.s.chiba-u.ac.jp>
To: 8395-done <at> debbugs.gnu.org
Date: Tue, 12 Jul 2011 08:25:59 +0900

Closed with the following changes:

For trunk:

2011-07-11  YAMAMOTO Mitsuharu  <mituharu <at> math.s.chiba-u.ac.jp>

	* configure.in (LD_SWITCH_SYSTEM_TEMACS): Add -fno-pie on Darwin
	so as to suppress address randomization (Bug#8395).

For emacs-23 branch:

2011-07-11  YAMAMOTO Mitsuharu  <mituharu <at> math.s.chiba-u.ac.jp>

	* s/darwin.h (LD_SWITCH_SYSTEM_TEMACS): Add -fno-pie so as to suppress
	address randomization (Bug#8395).

[Message part 3 (message/rfc822, inline)]

From: "William R. Otte" <wotte <at> dre.vanderbilt.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: Compile error with Xcode 4.1 in unexec
Date: Thu, 31 Mar 2011 10:09:34 -0400

[Message part 4 (text/plain, inline)]

Hi - 

I've been trying to build emacs-23 branch from bzr using Xcode 4.1 (not, not 4.0.1) with either included compiler.  While the patch for  bug 8223 resolved one issue that I'm having, I subsequently encounter another error in unexec, found attached below. 

I'm happy to help debug this, as 4.1 may not be readily available to all involved - but will require some guidance from someone familiar with the code.

thanks,
/-Will
 

Dumping under the name emacs
--- List of All Regions ---
   address     size prot maxp
--- List of Regions to be Dumped ---
   address     size prot maxp
--- Header Information ---
Magic = 0xfeedfacf
CPUType = 16777223
CPUSubType = -2147483645
FileType = 0x2
NCmds = 50
SizeOfCmds = 4208
Flags = 0x00200085
Highest address of load commands in input file: 0x5dd000
Lowest offset of all sections in __TEXT segment:   0x20c0
--- List of Load Commands in Input File ---
# cmd              cmdsize name                address     size
0 LC_SEGMENT_64          72 __PAGEZERO                0 0x100000000
1 LC_SEGMENT_64         632 __TEXT           0x100000000 0x202000
                           __text           0x1000020c0 0x1b6c2c
                           __stubs          0x1001b8cec   0x1248
                           __stub_helper    0x1001b9f34   0x1e88
                           __cstring        0x1001bbdc0  0x172db
                           __const          0x1001d30a0    0x534
                           __unwind_info    0x1001d35d4   0x20f4
                           __eh_frame       0x1001d56c8  0x2c930
2 LC_SEGMENT_64         712 __DATA           0x100202000 0x311000
                           __program_vars   0x100202000     0x28
                           __got            0x100202028     0x70
                           __nl_symbol_ptr  0x100202098     0x10
                           __la_symbol_ptr  0x1002020a8   0x1860
                           __data           0x100203920 0x2a5ee8
                           __const          0x1004a9820   0x1ff0
                           __common         0x1004ab820  0x10ce1
                           __bss            0x1004bc520  0x563b8
3 LC_SEGMENT_64          72 __LINKEDIT       0x100513000  0xca000
4 LC_DYLD_INFO_ONLY      48
5 LC_SYMTAB              24
6 LC_DYSYMTAB            80
7 LC_LOAD_DYLINKER       32
8 LC_UUID                24
9 unknown                16
10 LC_UNIXTHREAD         184
11 LC_LOAD_DYLIB          64
12 LC_LOAD_DYLIB          64
13 LC_LOAD_DYLIB          64
14 LC_LOAD_DYLIB          72
15 LC_LOAD_DYLIB          56
16 LC_LOAD_DYLIB          56
17 LC_LOAD_DYLIB          64
18 LC_LOAD_DYLIB          56
19 LC_LOAD_DYLIB          56
20 LC_LOAD_DYLIB          56
21 LC_LOAD_DYLIB          64
22 LC_LOAD_DYLIB          56
23 LC_LOAD_DYLIB          72
24 LC_LOAD_DYLIB          64
25 LC_LOAD_DYLIB          64
26 LC_LOAD_DYLIB          56
27 LC_LOAD_DYLIB          56
28 LC_LOAD_DYLIB          56
29 LC_LOAD_DYLIB          64
30 LC_LOAD_DYLIB          64
31 LC_LOAD_DYLIB          56
32 LC_LOAD_DYLIB          64
33 LC_LOAD_DYLIB          64
34 LC_LOAD_DYLIB          64
35 LC_LOAD_DYLIB          64
36 LC_LOAD_DYLIB          64
37 LC_LOAD_DYLIB          64
38 LC_LOAD_DYLIB          56
39 LC_LOAD_DYLIB          56
40 LC_LOAD_DYLIB          56
41 LC_LOAD_DYLIB          56
42 LC_LOAD_DYLIB          56
43 LC_LOAD_DYLIB          56
44 LC_LOAD_DYLIB          56
45 LC_LOAD_DYLIB          56
46 LC_LOAD_DYLIB          56
47 LC_LOAD_DYLIB          64
48 LC_LOAD_DYLIB          64
49 unknown                16
0x7feafc1fc080 (sz:   0x3f2d/  0x3f30)
0x7feafc100000 (sz:  0xfc07f/ 0xfc080)
0x7feafaefc080 (sz:   0x3f2c/  0x3f30)
0x7feafae00000 (sz:  0xfc07f/ 0xfc080)
0x7feafc0fc080 (sz:   0x3f2c/  0x3f30)
0x7feafc000000 (sz:  0xfc080/ 0xfc080)
0x7feafadfc080 (sz:   0x3f2d/  0x3f30)
0x7feafad00000 (sz:  0xfc080/ 0xfc080)
0x7feafcff8000 (sz:   0x316c/  0x7fa8)
0x7feafc800000 (sz: 0x313ffe/0x7f8000)
0x7feafbff8000 (sz:   0x7f9f/  0x7fa8)
0x7feafb800000 (sz: 0x7f7fff/0x7f8000)
0x110803000 (sz:        0/  0x1000)
--- Load Commands written to Output File ---
Writing segment __PAGEZERO       @        0 (       0/0x100000000 @          0)
Writing segment __TEXT           @        0 (0x202000/0x202000 @ 0x100000000)
Writing segment __DATA           @ 0x202000 (0x311000/0x311000 @ 0x100202000)
        section __program_vars   at 0x202000 - 0x202028 (sz:     0x28)
        section __got            at 0x202028 - 0x202098 (sz:     0x70)
        section __nl_symbol_ptr  at 0x202098 - 0x2020a8 (sz:     0x10)
        section __la_symbol_ptr  at 0x2020a8 - 0x203908 (sz:   0x1860)
unexec: cannot write section __data
make[2]: *** [bootstrap-emacs] Error 1

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