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Solaris2/LD: Fix anonymous version script acceptance bug

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Correct a bug in Solaris 2 linker emulation code triggered by a test
introduced with commit 81ff47b3a546 ("PR ld/20828: Fix linker script
symbols wrongly forced local with section GC") and only create implicit
version nodes if versioning is actually introduced with a version script
(or VERSION command) rather than only global vs local symbol visibility
selected, fixing an:

ld: anonymous version tag cannot be combined with other version tags

linker error produced whenever a version script (or VERSION command) is
used that does not assign symbol versions, such as:

{ global: foo; bar; local: *; };

and consequently removing a:

FAIL: PR ld/20828 dynamic symbols with section GC (version script)

test suite failure with the `x86_64-solaris2' target.

	ld/
	* emultempl/solaris2.em (elf_solaris2_before_allocation): Do not
	add implicit version nodes if an anonymous version tag is being
	used.
This commit is contained in:
Maciej W. Rozycki
2017-01-23 11:37:19 +00:00
parent fae1616f5f
commit 1a792e1c00
2 changed files with 8 additions and 1 deletions

6
ld/ChangeLog

@ -1,3 +1,9 @@
2017-01-24 Maciej W. Rozycki <macro@imgtec.com>
* emultempl/solaris2.em (elf_solaris2_before_allocation): Do not
add implicit version nodes if an anonymous version tag is being
used.
2017-01-24 Jiong Wang <jiong.wang@arm.com>
* testsuite/ld-plugin/lto.exp (lto_link_elf_tests): Move "Compile 7",

3
ld/emultempl/solaris2.em

@ -76,7 +76,8 @@ elf_solaris2_before_allocation (void)
/* Only do this if emitting a shared object and versioning is in place. */
if (bfd_link_dll (&link_info)
&& (link_info.version_info != NULL
&& ((link_info.version_info != NULL
&& link_info.version_info->name[0] != '\0')
|| link_info.create_default_symver))
{
struct bfd_elf_version_expr *globals = NULL, *locals = NULL;