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.

4 files changed, 63 insertions, 0 deletions

diff --git a/ld/testsuite/ld-gc/gc.exp b/ld/testsuite/ld-gc/gc.exp
index b7d6dffd90..57f0ec3f7c 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 0000000000..b19ce2b34c
--- /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 0000000000..89fe8b48fe
--- /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 0000000000..6fac355f89
--- /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