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.

7 files changed, 121 insertions, 35 deletions

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index 7912508..26ea036 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,3 +1,13 @@
+2011-10-19  Alan Modra  <amodra@gmail.com>
+
+	* 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.
+
 2011-10-18  David S. Miller  <davem@davemloft.net>
 
 	* ld-sparc/tlssunbin32.dd: Update for TLS call relaxation fix
diff --git a/ld/testsuite/ld-elf/elf.exp b/ld/testsuite/ld-elf/elf.exp
index b993c96..42b5541 100644
--- a/ld/testsuite/ld-elf/elf.exp
+++ b/ld/testsuite/ld-elf/elf.exp
@@ -58,40 +58,7 @@ if { ![istarget hppa64*-hpux*] } {
 # should not seg-fault whilst creating the binary.
 #
 # Only run the test on targets thats support creating shared libraries.
-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 mcore*-*-*]
-     && ! [istarget mep-*-*]
-     && ! [istarget microblaze-*-*]
-     && ! [istarget mn10200-*-*]
-     && ! [istarget moxie-*-*]
-     && ! [istarget ms1-*-*]
-     && ! [istarget msp430-*-*]
-     && ! [istarget openrisc-*-*]
-     && ! [istarget or32-*-*]
-     && ! [istarget pj-*-*]
-     && ! [istarget rx-*-*]
-     && ! [istarget spu-*-*]
-     && ! [istarget v850*-*-*]
-     && ! [istarget xstormy16-*-*]
-     && ! [istarget *-*-irix*]
-     && ! [istarget *-*-rtems] } {
+if { [check_shared_lib_support] } then {
   run_ld_link_tests {
       {"Build shared library for next test"
        "-shared" "" "note-3.s" {} "note-3.so" }
diff --git a/ld/testsuite/ld-gc/gc.exp b/ld/testsuite/ld-gc/gc.exp
index b7d6dff..57f0ec3 100644
--- a/ld/testsuite/ld-gc/gc.exp
+++ b/ld/testsuite/ld-gc/gc.exp
@@ -97,6 +97,20 @@ test_gc "Check --gc-section/-r/-u" "gcrel" $ld "-r --gc-sections -u used_func"
 run_dump_test "noent"
 run_dump_test "abi-note"
 run_dump_test "start"
+
+if { [is_elf_format] && [check_shared_lib_support] } then {
+    set gasopt ""
+    if { [istarget tic6x-*] } then {
+	set gasopt "-mpic -mpid=near"
+    }
+    if {![ld_assemble_flags $as $gasopt $srcdir/$subdir/libpersonality.s tmpdir/libpersonality.o]
+	|| ![ld_simple_link $ld tmpdir/libpersonality.so "-shared tmpdir/libpersonality.o"] } then {
+	fail libpersonality
+    } else {
+	run_dump_test "personality"
+    }
+}
+
 if { [is_remote host] || [which $CC] != 0 } {
     if { [istarget "*-*-linux*"]
 	 || [istarget "*-*-gnu*"] } {
diff --git a/ld/testsuite/ld-gc/libpersonality.s b/ld/testsuite/ld-gc/libpersonality.s
new file mode 100644
index 0000000..b19ce2b
--- /dev/null
+++ b/ld/testsuite/ld-gc/libpersonality.s
@@ -0,0 +1,11 @@
+	.weak	__gxx_personality_v0
+	.type	__gxx_personality_v0,%function
+__gxx_personality_v0:
+	.long 0
+	.size	__gxx_personality_v0, . - __gxx_personality_v0
+
+	.globl	__gxx_personality_v1
+	.type	__gxx_personality_v1,%function
+__gxx_personality_v1:
+	.long 0
+	.size	__gxx_personality_v1, . - __gxx_personality_v1
diff --git a/ld/testsuite/ld-gc/personality.d b/ld/testsuite/ld-gc/personality.d
new file mode 100644
index 0000000..89fe8b4
--- /dev/null
+++ b/ld/testsuite/ld-gc/personality.d
@@ -0,0 +1,10 @@
+#name: --gc-sections with __gxx_personality
+#ld: --gc-sections -e main -L tmpdir -lpersonality
+#nm: -n
+#xfail: bfin-*-* cris*-*-* frv-*-* mn10300-*-* vax-*-* xtensa-*-*
+# above targets don't support cfi
+
+#failif
+#...
+.*gxx_personality.*
+#...
diff --git a/ld/testsuite/ld-gc/personality.s b/ld/testsuite/ld-gc/personality.s
new file mode 100644
index 0000000..6fac355
--- /dev/null
+++ b/ld/testsuite/ld-gc/personality.s
@@ -0,0 +1,28 @@
+	.section	.text.loseme,"ax",%progbits
+	.globl	loseme
+	.type	loseme,%function
+loseme:
+	.cfi_startproc
+	.cfi_personality 0,__gxx_personality_v0
+	.long 0
+	.cfi_endproc
+	.size loseme, . - loseme
+
+	.section	.text.loseme2,"ax",%progbits
+	.globl	loseme2
+	.type	loseme2,%function
+loseme2:
+	.cfi_startproc
+	.cfi_personality 0,__gxx_personality_v1
+	.long 0
+	.cfi_endproc
+	.size loseme2, . - loseme2
+
+	.section	.text.main,"ax",%progbits
+	.globl	main
+	.type	main, %function
+main:
+	.cfi_startproc
+	.long 0
+	.cfi_endproc
+	.size main, . - main
diff --git a/ld/testsuite/lib/ld-lib.exp b/ld/testsuite/lib/ld-lib.exp
index 3e77a5a..e764591 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