[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758 Alan Modra amodra at gmail dot com changed: What|Removed |Added Status|NEW |ASSIGNED AssignedTo|unassigned at sources dot |amodra at gmail dot com |redhat.com | -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758 Alan Modra amodra at gmail dot com changed: What|Removed |Added CC|amodra at gmail dot com | --- Comment #4 from Alan Modra amodra at gmail dot com 2012-01-15 01:44:50 UTC --- testing a fix -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758 --- Comment #5 from cvs-commit at gcc dot gnu.org cvs-commit at gcc dot gnu.org 2012-01-15 01:57:19 UTC --- CVSROOT:/cvs/src Module name:src Changes by:amo...@sourceware.org2012-01-15 01:57:15 Modified files: ld : ChangeLog ldlang.c Log message: PR ld/12758 * ldlang.c (lang_process): Don't reopen all files, just those newly added by plugin. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/ChangeLog.diff?cvsroot=srcr1=1.2400r2=1.2401 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/ldlang.c.diff?cvsroot=srcr1=1.380r2=1.381 -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758 Alan Modra amodra at gmail dot com changed: What|Removed |Added URL||http://sourceware.org/ml/bi ||nutils/2012-01/msg00180.htm ||l --- Comment #6 from Alan Modra amodra at gmail dot com 2012-01-15 02:01:50 UTC --- Fixed. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758 Alan Modra amodra at gmail dot com changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED --- Comment #7 from Alan Modra amodra at gmail dot com 2012-01-15 02:02:08 UTC --- . -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758 --- Comment #1 from H.J. Lu hjl.tools at gmail dot com 2011-05-14 04:25:29 UTC --- It may be a compiler bug. For some reason, LTO symbol table is totally different from normal symbol table: [hjl@gnu-mic-1 liba-failure]$ nm --plugin /export/build/gnu/gcc-4.6/release/usr/gcc-4.6.1/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.6.1/liblto_plugin.so lib/string.o U _ctype T memscan T skip_spaces T strim T strlcat T strlcpy T strnchr T strnicmp T strnlen T strnstr T strsep T sysfs_streq [hjl@gnu-mic-1 liba-failure]$ nm lib/string.o r .LC0 0001 C __gnu_lto_v1 r __kstrtab_memchr 001e r __kstrtab_memcmp 0016 r __kstrtab_memscan 0064 r __kstrtab_skip_spaces 00d0 r __kstrtab_strcasecmp 00a6 r __kstrtab_strcat 0080 r __kstrtab_strchr 008f r __kstrtab_strcmp 00bd r __kstrtab_strcpy 0040 r __kstrtab_strcspn 005e r __kstrtab_strim 0096 r __kstrtab_strlcat 00ad r __kstrtab_strlcpy 0057 r __kstrtab_strlen 00c4 r __kstrtab_strncasecmp 009e r __kstrtab_strncat 0070 r __kstrtab_strnchr 0087 r __kstrtab_strncmp 00b5 r __kstrtab_strncpy 00db r __kstrtab_strnicmp 004f r __kstrtab_strnlen 0007 r __kstrtab_strnstr 0038 r __kstrtab_strpbrk 0078 r __kstrtab_strrchr 0031 r __kstrtab_strsep 0048 r __kstrtab_strspn 000f r __kstrtab_strstr 0025 r __kstrtab_sysfs_streq r __ksymtab_memchr 0040 r __ksymtab_memcmp 0030 r __ksymtab_memscan 00d0 r __ksymtab_skip_spaces 01a0 r __ksymtab_strcasecmp 0150 r __ksymtab_strcat 0100 r __ksymtab_strchr 0120 r __ksymtab_strcmp 0180 r __ksymtab_strcpy 0080 r __ksymtab_strcspn 00c0 r __ksymtab_strim 0130 r __ksymtab_strlcat 0160 r __ksymtab_strlcpy 00b0 r __ksymtab_strlen 0190 r __ksymtab_strncasecmp 0140 r __ksymtab_strncat 00e0 r __ksymtab_strnchr 0110 r __ksymtab_strncmp 0170 r __ksymtab_strncpy 01b0 r __ksymtab_strnicmp 00a0 r __ksymtab_strnlen 0010 r __ksymtab_strnstr 0070 r __ksymtab_strpbrk 00f0 r __ksymtab_strrchr 0060 r __ksymtab_strsep 0090 r __ksymtab_strspn 0020 r __ksymtab_strstr 0050 r __ksymtab_sysfs_streq U _ctype 03bd T memchr 02d2 T memcmp 02ef T memscan 0156 T skip_spaces T strcasecmp 00be T strcat 011f T strchr 00e1 T strcmp 008c T strcpy 021e T strcspn 017c T strim 04a1 T strlcat 03d9 T strlcpy 016b T strlen 0042 T strncasecmp 046a T strncat 0136 T strnchr 00fb T strncmp 009f T strncpy 040f T strnicmp 01de T strnlen 036a T strnstr 0242 T strpbrk 01bb T strrchr 0268 T strsep 01f7 T strspn 0307 T strstr 0292 T sysfs_streq -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758
--- Comment #2 from H.J. Lu hjl.tools at gmail dot com 2011-05-14 04:52:06
UTC ---
[hjl@gnu-6 foo]$ cat x.i
int memcmp(const void *cs, const void *ct, unsigned long count)
{
const unsigned char *su1, *su2;
int res = 0;
for (su1 = cs, su2 = ct; 0 count; ++su1, ++su2, count--)
if ((res = *su1 - *su2) != 0)
break;
return res;
}
[hjl@gnu-6 foo]$ cat y.s
.text
.globl _start
_start:
call memcmp
[hjl@gnu-6 foo]$ make
as -o y.o y.s
/export/build/gnu/gcc/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc/build-x86_64-linux/gcc/ -nostdlib -o x1 y.o
-Wl,--start-group libx.a -Wl,--end-group
/export/build/gnu/gcc/build-x86_64-linux/gcc/xgcc
-B/export/build/gnu/gcc/build-x86_64-linux/gcc/ -nostdlib -O2
-fuse-linker-plugin -flto=jobserver -o x2 y.o -Wl,--start-group libx.a
-Wl,--end-group
libx.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
make: *** [x2] Error 1
[hjl@gnu-6 foo]$
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[Bug ld/12758] LTO doesn't work with --start-group and archive
http://sourceware.org/bugzilla/show_bug.cgi?id=12758 --- Comment #3 from H.J. Lu hjl.tools at gmail dot com 2011-05-14 05:07:05 UTC --- We should load LTO output before rescanning an archive. -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are on the CC list for the bug. ___ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils
