--- Additional Comments From hjl at lucon dot org 2006-08-15 00:42 ---
A patch is posted at
http://sourceware.org/ml/binutils/2006-08/msg00166.html
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--- Additional Comments From hjl at lucon dot org 2006-08-14 23:20 ---
A testcase to show that -z relro may create PT_NULL segment:
[EMAIL PROTECTED] tmp]$ cat x.s
.globl main
.globl start
.globl _start
.globl __start
.text
main:
start:
_start:
__s
This change
http://sourceware.org/ml/binutils/2006-07/msg00314.html
beaks x86-64 2.6 kernel. Before the change, we have
There are 48 section headers, starting at offset 0x2075af8:
Section Headers:
[Nr] Name TypeAddress OffSize ES Flg
Lk Inf Al
[ 0]
--- Additional Comments From urkud dot urkud at gmail dot com 2006-08-14
16:40 ---
I've detected, that problem in the -O3 flag.
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When assembled, a jump to weak symbol produces a jump to an invalid address. I
found that problem on m68k-unknown-netbsd, but it may affect all m68k-*-aout
targets.
$ cat bug.s
jmp mylabel
nop
.weak mylabel
mylabel:
nop
$ as bug.s -o bug.o
$ objdump -d bug.o
--- Additional Comments From urkud dot urkud at gmail dot com 2006-08-14
11:31 ---
I used the following $CFLAGS: CFLAGS="-O3 -mtune=pentium4 -msse -msse2 -mmmx
-pipe" There are no errors when compiling with empty $CFLAGS
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Using gcc-4.1.1:
cc1: warnings being treated as errors
../../binutils-2.17/binutils/wrstabs.c: In function 'stab_tag_type':
../../binutils-2.17/binutils/wrstabs.c:1297: warning: 'size' is used
uninitialized in this function
--
Summary: Compile fails (file wrstabs.c)
Product:
