[Bug ld/14956] New: Unnecessary R_X86_64_NONE
http://sourceware.org/bugzilla/show_bug.cgi?id=14956
Bug #: 14956
Summary: Unnecessary R_X86_64_NONE
Product: binutils
Version: 2.24 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: ld
AssignedTo: unassig...@sourceware.org
ReportedBy: hjl.to...@gmail.com
Classification: Unclassified
[hjl@gnu-hsw-1 ifunc-none]$ cat bar.c
extern int foo (void) __attribute__ ((weak, visibility ("hidden")));
int
bar (void)
{
return foo ();
}
[hjl@gnu-hsw-1 ifunc-none]$ cat foo.c
static int
one (void)
{
return -30;
}
void * foo_ifunc (void) __asm__ ("foo") __attribute__ ((visibility
("hidden")));
__asm__(".type foo, %gnu_indirect_function");
void *
foo_ifunc (void)
{
return one;
}
[hjl@gnu-hsw-1 ifunc-none]$ make
gcc -fPIC -c -o bar.o bar.c
gcc -fPIC -c -o foo.o foo.c
./ld --shared -o libfoo.so -z nocombreloc bar.o foo.o
readelf -r --wide libfoo.so
Relocation section '.rela.ifunc' at offset 0x200 contains 1 entries:
Offset Info Type Symbol's Value
Symbol's Name + Addend
R_X86_64_NONE 0
Relocation section '.rela.plt' at offset 0x218 contains 1 entries:
Offset Info Type Symbol's Value
Symbol's Name + Addend
00200450 0025 R_X86_64_IRELATIVE
267
[hjl@gnu-hsw-1 ifunc-none]$
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[Bug ld/14956] Unnecessary R_X86_64_NONE
http://sourceware.org/bugzilla/show_bug.cgi?id=14956 --- Comment #1 from cvs-commit at gcc dot gnu.org 2012-12-13 21:07:20 UTC --- CVSROOT:/cvs/src Module name:src Changes by:h...@sourceware.org2012-12-13 21:07:16 Modified files: bfd: ChangeLog elf32-i386.c elf64-x86-64.c ld/testsuite : ChangeLog Added files: ld/testsuite/ld-ifunc: ifunc-14a-i386.d ifunc-14a-x86-64.d ifunc-14b-i386.d ifunc-14b-x86-64.d ifunc-14c-i386.d ifunc-14c-x86-64.d ifunc-14d-i386.d ifunc-14d-x86-64.d Removed files: ld/testsuite/ld-ifunc: ifunc-14-i386.d ifunc-14-x86-64.d Log message: Check local IFUNC calls bfd/ 2012-12-13 H.J. Lu PR ld/14956 * elf32-i386.c (elf_i386_adjust_dynamic_symbol): Check local IFUNC calls. * elf64-x86-64.c (elf_x86_64_adjust_dynamic_symbol): Likewise. ld/testsuite/ 2012-12-13 H.J. Lu PR ld/14956 * ld-ifunc/ifunc-14-i386.d: Renamed to ... * ld-ifunc/ifunc-14a-i386.d: This. * ld-ifunc/ifunc-14-x86-64.d: Renamed to ... * ld-ifunc/ifunc-14a-x86-64.d: This. * ld-ifunc/ifunc-14b-i386.d: New file. * ld-ifunc/ifunc-14b-x86-64.d: Likewise. * ld-ifunc/ifunc-14c-i386.d: Likewise. * ld-ifunc/ifunc-14c-x86-64.d: Likewise. * ld-ifunc/ifunc-14d-i386.d: Likewise. * ld-ifunc/ifunc-14d-x86-64.d: Likewise. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/ChangeLog.diff?cvsroot=src&r1=1.5880&r2=1.5881 http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf32-i386.c.diff?cvsroot=src&r1=1.286&r2=1.287 http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elf64-x86-64.c.diff?cvsroot=src&r1=1.278&r2=1.279 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ChangeLog.diff?cvsroot=src&r1=1.1643&r2=1.1644 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14a-i386.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14a-x86-64.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14b-i386.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14b-x86-64.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14c-i386.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14c-x86-64.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14d-i386.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14d-x86-64.d.diff?cvsroot=src&r1=NONE&r2=1.1 http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14-i386.d.diff?cvsroot=src&r1=1.1&r2=NONE http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-ifunc/ifunc-14-x86-64.d.diff?cvsroot=src&r1=1.1&r2=NONE -- 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/14956] Unnecessary R_X86_64_NONE
http://sourceware.org/bugzilla/show_bug.cgi?id=14956 H.J. Lu changed: What|Removed |Added Status|NEW |RESOLVED Resolution||FIXED --- Comment #2 from H.J. Lu 2012-12-13 21:09:17 UTC --- Fixed for 2.24. -- 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
