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Set unique_global only for definition

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bfd/

	PR ld/15167
	* elf64-ia64-vms.c (elf64_vms_link_add_object_symbols): Set
	unique_global only for definition.
	* elflink.c (_bfd_elf_merge_symbol): Don't set unique_global
	here.
	(elf_link_add_object_symbols): Set unique_global only
	for definition.

ld/testsuite/

	PR ld/15167
	* ld-unique/unique.exp: Add a test for shared library with
	reference.
This commit is contained in:
H.J. Lu 2013-02-22 01:20:48 +00:00
parent 757b8d9405
commit 35399224a1
5 changed files with 40 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
bfd/ChangeLog
View File

@ -1,3 +1,13 @@
2013-02-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/15167
* elf64-ia64-vms.c (elf64_vms_link_add_object_symbols): Set
unique_global only for definition.
* elflink.c (_bfd_elf_merge_symbol): Don't set unique_global
here.
(elf_link_add_object_symbols): Set unique_global only
for definition.
2013-02-21 Alan Modra <amodra@gmail.com>
* elf-bfd.h (struct elf_build_id): Extracted from..

3
bfd/elf64-ia64-vms.c
View File

@ -5046,7 +5046,8 @@ error_free_dyn:
h = (struct elf_link_hash_entry *) h->root.u.i.link;
*sym_hash = h;
h->unique_global = (flags & BSF_GNU_UNIQUE) != 0;
if (definition)
h->unique_global = (flags & BSF_GNU_UNIQUE) != 0;
/* Set the alignment of a common symbol. */
if ((common || bfd_is_com_section (sec))

10
bfd/elflink.c
View File

@ -1262,9 +1262,6 @@ _bfd_elf_merge_symbol (bfd *abfd,
return TRUE;
}
if (bind == STB_GNU_UNIQUE)
h->unique_global = 1;
/* If a new weak symbol definition comes from a regular file and the
old symbol comes from a dynamic library, we treat the new one as
strong. Similarly, an old weak symbol definition from a regular
@ -4197,8 +4194,6 @@ error_free_dyn:
h = (struct elf_link_hash_entry *) h->root.u.i.link;
*sym_hash = h;
if (is_elf_hash_table (htab))
h->unique_global = (flags & BSF_GNU_UNIQUE) != 0;
new_weak = (flags & BSF_WEAK) != 0;
new_weakdef = FALSE;
@ -4425,7 +4420,10 @@ error_free_dyn:
dynsym = FALSE;
if (definition)
h->target_internal = isym->st_target_internal;
{
h->target_internal = isym->st_target_internal;
h->unique_global = (flags & BSF_GNU_UNIQUE) != 0;
}
/* Check to see if we need to add an indirect symbol for
the default name. */

6
ld/testsuite/ChangeLog
View File

@ -1,3 +1,9 @@
013-02-21 H.J. Lu <hongjiu.lu@intel.com>
PR ld/15167
* ld-unique/unique.exp: Add a test for shared library with
reference.
2013-02-19 Maciej W. Rozycki <macro@codesourcery.com>
* lib/ld-lib.exp (run_ld_link_tests): Add another argument, pass

18
ld/testsuite/ld-unique/unique.exp
View File

@ -145,6 +145,12 @@ if ![default_ld_link $ld "tmpdir/unique_shared_prog" "-Ltmpdir tmpdir/unique_emp
set fails [expr $fails + 1]
}
# Create shared library containing unique symbol with reference.
if ![ld_simple_link $ld "tmpdir/libunique_shared_ref.so" "-shared tmpdir/unique_shared.o tmpdir/unique_empty.o"] {
fail "Could not create a shared library containing an unique symbol with reference"
set fails [expr $fails + 1]
}
if { $fails != 0 } {
return
}
@ -220,6 +226,17 @@ if {[contains_unique_symbol tmpdir/libunique_shared.so] != 1} {
set fails [expr $fails + 1]
}
# Check the unique shared library with reference.
if {! [check_osabi tmpdir/libunique_shared_ref.so {UNIX - GNU}]} {
fail "Shared library containing unique with reference does not have an OS/ABI field of GNU"
set fails [expr $fails + 1]
}
if {[contains_unique_symbol tmpdir/libunique_shared_ref.so] != 1} {
fail "Shared library containing unique with reference does not contain an UNIQUE symbol"
set fails [expr $fails + 1]
}
if { $fails == 0 } {
pass "Checking unique PIC object"
}
@ -245,6 +262,7 @@ if { $verbose < 1 } {
remote_file host delete "tmpdir/unique.o"
remote_file host delete "tmpdir/unique_shared.o"
remote_file host delete "tmpdir/libunique_shared.so"
remote_file host delete "tmpdir/libunique_shared_ref.so"
remote_file host delete "tmpdir/unique_prog"
remote_file host delete "tmpdir/unique_shared_prog"
}