PR ld/13177

bfd/
	* elflink.c (_bfd_elf_gc_mark_rsec): Set symbol "mark".
	(elf_gc_sweep_symbol): Don't test plt/got refcounts, instead test
	"mark".  Hide undefweak too.  Clear def_regular and ref_regular.
	* elf-m10300.c (mn10300_elf_relocate_section): Ignore unresolved
	reloc errors from garbage-collected code.
	* elf32-arm.c (elf32_arm_relocate_section): Likewise.
	* elf32-bfin.c (bfin_relocate_section): Likewise.
	(bfinfdpic_relocate_section): Likewise.
	* elf32-cris.c (cris_elf_relocate_section): Likewise.
	* elf32-frv.c (elf32_frv_relocate_section): Likewise.
	* elf32-i386.c (elf_i386_relocate_section): Likewise.
	* elf32-m32r.c (m32r_elf_relocate_section): Likewise.
	* elf32-m68k.c (elf_m68k_relocate_section): Likewise.
	* elf32-ppc.c (ppc_elf_relocate_section): Likewise.
	* elf32-s390.c (elf_s390_relocate_section): Likewise.
	* elf32-sh.c (sh_elf_relocate_section): Likewise.
	* elf32-spu.c (spu_elf_relocate_section): Likewise.
	* elf32-tilepro.c (tilepro_elf_relocate_section): Likewise.
	* elf32-xtensa.c (elf_xtensa_relocate_section): Likewise.
	* elf64-alpha.c (elf64_alpha_relocate_section): Likewise.
	* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
	* elf64-s390.c (elf_s390_relocate_section): Likewise.
	* elf64-sh64.c (sh_elf64_relocate_section): Likewise.
	* elf64-x86-64.c (elf_x86_64_relocate_section): Likewise.
	* elfxx-sparc.c (_bfd_sparc_elf_relocate_section): Likewise.
	* elfxx-tilegx.c (tilegx_elf_relocate_section): Likewise.
ld/testsuite/
	* ld-elf/elf.exp: Move test for shared lib support..
	* lib/ld-lib.exp (check_shared_lib_support): ..to here. Add m68hc1*,
	and s/ms1/mt/.
	(check_gc_sections_available): Match hppa*64 not hppa64.  Comment.
	* ld-gc/libpersonality.s: New.
	* ld-gc/personality.s, * ld-gc/personality.d: New.
	* ld-gc/gc.exp: Run personality test.

1 files changed, 47 insertions, 1 deletions

diff --git a/ld/testsuite/lib/ld-lib.exp b/ld/testsuite/lib/ld-lib.exp
index 3e77a5a422..e76459185e 100644
--- a/ld/testsuite/lib/ld-lib.exp
+++ b/ld/testsuite/lib/ld-lib.exp
@@ -1418,7 +1418,7 @@ proc check_gc_sections_available { } {
 	     || [istarget or32-*-*]
 	     || [istarget pj*-*-*]
 	     || [istarget alpha-*-*]
-	     || [istarget hppa64-*-*]
+	     || [istarget hppa*64-*-*]
 	     || [istarget i370-*-*]
 	     || [istarget i860-*-*]
 	     || [istarget ia64-*-*]
@@ -1439,6 +1439,8 @@ proc check_gc_sections_available { } {
 	}
 
 	# Check if the ld used by gcc supports --gc-sections.
+	# FIXME: this test is useless since ld --help always says
+	# --gc-sections is available
 	set ld_output [remote_exec host $ld "--help"]
 	if { [ string first "--gc-sections" $ld_output ] >= 0 } {
 	    set gc_sections_available_saved 1
@@ -1449,6 +1451,50 @@ proc check_gc_sections_available { } {
     return $gc_sections_available_saved
 }
 
+# Returns true if -shared is supported on the target
+# Only used and accurate for ELF targets at the moment
+
+proc check_shared_lib_support { } {
+    if {![istarget arc-*-*]
+	 && ![istarget avr-*-*]
+	 && ![istarget cr16-*-*]
+	 && ![istarget cris*-*-*]
+	 && ![istarget crx-*-*]
+	 && ![istarget d10v-*-*]
+	 && ![istarget d30v-*-*]
+	 && ![istarget dlx-*-*]
+	 && ![istarget fr30-*-*]
+	 && ![istarget frv-*-*]
+	 && ![istarget h8300-*-*]
+	 && ![istarget i860-*-*]
+	 && ![istarget i960-*-*]
+	 && ![istarget ip2k-*-*]
+	 && ![istarget iq2000-*-*]
+	 && ![istarget lm32-*-*]
+	 && ![istarget m32c-*-*]
+	 && ![istarget m32r-*-*]
+	 && ![istarget m68hc1*-*-*]
+	 && ![istarget mcore*-*-*]
+	 && ![istarget mep-*-*]
+	 && ![istarget microblaze-*-*]
+	 && ![istarget mn10200-*-*]
+	 && ![istarget moxie-*-*]
+	 && ![istarget msp430-*-*]
+	 && ![istarget mt-*-*]
+	 && ![istarget openrisc-*-*]
+	 && ![istarget or32-*-*]
+	 && ![istarget pj-*-*]
+	 && ![istarget rx-*-*]
+	 && ![istarget spu-*-*]
+	 && ![istarget v850*-*-*]
+	 && ![istarget xstormy16-*-*]
+	 && ![istarget *-*-irix*]
+	 && ![istarget *-*-rtems] } {
+	return 1
+    }
+    return 0
+}
+
 # Returns true if the target ld supports the plugin API.
 proc check_plugin_api_available { } {
     global plugin_api_available_saved