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Date: Tue, 18 Oct 2011 17:22:18 +0400
From: Vasiliy Kulikov <segoon@...nwall.com>
To: owl-dev@...ts.openwall.com
Subject: gcc 4.6.1: glibc .cfi_endproc issue (was: gcc 4.6.1: glibc
__sincos() issue)
Hi,
Another issue with glibc, this time with i686 only.
gcc /usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux/csu/crti.S -c -I../include -I. -I/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux/csu -I.. -I../libio -I../nptl -I/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux -I../sysdeps/i386/elf -I../nptl/sysdeps/unix/sysv/linux/i386/i686 -I../nptl/sysdeps/unix/sysv/linux/i386 -I../nptl/sysdeps/unix/sysv/linux -I../nptl/sysdeps/pthread -I../sysdeps/pthread -I../nptl/sysdeps/unix/sysv -I../nptl/sysdeps/unix -I../nptl/sysdeps/i386/i686 -I../nptl/sysdeps/i386 -I../libidn/sysdeps/unix -I../sysdeps/unix/sysv/linux/i386 -I../sysdeps/unix/sysv/linux -I../sysdeps/gnu -I../sysdeps/unix/common -I../sysdeps/unix/mman -I../sysdeps/unix/inet -I../sysdeps/unix/sysv/i386 -I../sysdeps/unix/sysv -I../sysdeps/unix/i386 -I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/i386/i686/fpu -I../sysdeps/i386/i686 -I../sysdeps/i386/i486 -I../nptl/sysdeps/i386/i486 -I../sysdeps/i386/fpu -I../sysdeps/i386 -I../sysdeps/wordsize-32 -I../sysdeps/ieee754/ldbl-96 -I../sysdeps/ieee754/dbl-64 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754 -I../sysdeps/generic/elf -I../sysdeps/generic -D_LIBC_REENTRANT -D_LIBC_REENTRANT -include ../include/libc-symbols.h -DHAVE_INITFINI -DASSEMBLER -I/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux/csu/. -DGAS_SYNTAX -g -Wa,--noexecstack -g0 -o /usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux/csu/crti.o
Putting child 0x09e18cd0 (/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux/csu/crti.o) PID 13413 on the chain.
Live child 0x09e18cd0 (/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux/csu/crti.o) PID 13413
../sysdeps/generic/initfini.c: Assembler messages:
../sysdeps/generic/initfini.c:123: Error: open CFI at the end of file; missing .cfi_endproc directive
../sysdeps/generic/initfini.c:123: Error: open CFI at the end of file; missing .cfi_endproc directive
Reaping losing child 0x09e18cd0 PID 13413
make[3]: *** [/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux/csu/crti.o] Error 1
Removing child 0x09e18cd0 PID 13413 from chain.
make[3]: Leaving directory
`/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/csu'
Reaping losing child 0x08bba2f8 PID 13238
make[2]: *** [csu/subdir_lib] Error 2
Removing child 0x08bba2f8 PID 13238 from chain.
make[2]: Leaving directory `/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6'
Reaping losing child 0x08e00380 PID 6806
make[1]: *** [all] Error 2
Removing child 0x08e00380 PID 6806 from chain.
make[1]: Leaving directory `/usr/src/world/rpm-work-1/BUILD/glibc-2.3.6/build-i686-linux'
I tried to put different .cfi_{start,end}proc directives into crti.S -
no result.
crti.S file:
1 .file "initfini.c"
2 #APP
3
4 #include "defs.h"
5
6 /*@...DER_ENDS*/
7 /*@...it_PROLOG_BEGINS*/
8 .section .init
9 #NO_APP
10 .section .init,"ax",@progbits
11 .p2align 2,,3
12 .globl _init
13 .type _init, @function
14 _init:
15 .LFB26:
16 .cfi_startproc
17 pushl %ebx
18 .cfi_def_cfa_offset 8
19 .cfi_offset 3, -8
20 subl $8, %esp
21 .cfi_def_cfa_offset 16
22 call .L6
23 .cfi_def_cfa_offset 20
24 .L6:
25 popl %ebx
26 .cfi_def_cfa_offset 16
27 addl $_GLOBAL_OFFSET_TABLE_+[.-.L6], %ebx
28 movl __gmon_start__@GOT(%ebx), %eax
29 testl %eax, %eax
30 je .L5
31 call __gmon_start__@PLT
32 .L5:
33 #APP
34 # 96 "../sysdeps/generic/initfini.c" 1
35 ALIGN
36 # 0 "" 2
37 # 97 "../sysdeps/generic/initfini.c" 1
38 END_INIT
39 # 0 "" 2
40 # 99 "../sysdeps/generic/initfini.c" 1
41
42 /*@...it_PROLOG_ENDS*/
43 /*@...ni_PROLOG_BEGINS*/
44 .section .fini
45 #NO_APP
46 .section .fini,"ax",@progbits
47 .p2align 2,,3
48 .globl _fini
49 .type _fini, @function
50 _fini:
51 .LFB27:
52 .cfi_startproc
53 pushl %ebx
54 .cfi_def_cfa_offset 8
55 .cfi_offset 3, -8
56 subl $8, %esp
57 .cfi_def_cfa_offset 16
58 call .L8
59 .cfi_def_cfa_offset 20
60 .L8:
61 popl %ebx
62 .cfi_def_cfa_offset 16
63 addl $_GLOBAL_OFFSET_TABLE_+[.-.L8], %ebx
64 #APP
65 # 116 "../sysdeps/generic/initfini.c" 1
66 ALIGN
67 # 0 "" 2
68 # 117 "../sysdeps/generic/initfini.c" 1
69 END_FINI
70 # 0 "" 2
71 # 118 "../sysdeps/generic/initfini.c" 1
72
73 /*@...ni_PROLOG_ENDS*/
74 /*@...ILER_BEGINS*/
75 .weak __gmon_start__
76 .ident "GCC: (GNU) 4.6.1"
77 .section .note.GNU-stack,"",@progbits
I found similar issues on gentoo forums, but no solution there.
--
Vasiliy
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