* options.h (class General_options): Define

	split_stack_adjust_size parameter.
	* object.h (class Object): Add uses_split_stack_ and
	has_no_split_stack_ fields.  Add uses_split_stack and
	has_no_split_stack accessor functions.  Declare
	handle_split_stack_section.
	(class Reloc_symbol_changes): Define.
	(class Sized_relobj): Define Function_offsets.  Declare
	split_stack_adjust, split_stack_adjust_reltype, and
	find_functions.
	* object.cc (Object::handle_split_stack_section): New function.
	(Sized_relobj::do_layout): Call handle_split_stack_section.
	* dynobj.cc (Sized_dynobj::do_layout): Call
	handle_split_stack_section.
	* reloc.cc (Sized_relobj::relocate_sections): Call
	split_stack_adjust for executable sections in split_stack
	objects.  Pass reloc_map to relocate_section.
	(Sized_relobj::split_stack_adjust): New function.
	(Sized_relobj::split_stack_adjust_reltype): New function.
	(Sized_relobj::find_functions): New function.
	* target-reloc.h: Include "object.h".
	(relocate_section): Add reloc_symbol_changes parameter.  Change
	all callers.
	* target.h (class Target): Add calls_non_split method.  Declare
	do_calls_non_split virtual method.  Declare match_view and
	set_view_to_nop.
	* target.cc: Include "elfcpp.h".
	(Target::do_calls_non_split): New function.
	(Target::match_view): New function.
	(Target::set_view_to_nop): New function.
	* gold.cc (queue_middle_tasks): Give an error if mixing
	split-stack and non-split-stack objects with -r.
	* i386.cc (Target_i386::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_i386::do_calls_non_split): New function.
	* x86_64.cc (Target_x86_64::relocate_section): Add
	reloc_symbol_changes parameter.
	(Target_x86_64::do_calls_non_split): New function.
	* arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
	parameter.
	* powerpc.cc (Target_powerpc::relocate_section): Add
	reloc_symbol_changes parameter.
	* sparc.cc (Target_sparc::relocate_section): Add
	reloc_symbol_changes parameter.
	* configure.ac: Call AM_CONDITIONAL for the default target.
	* configure: Rebuild.
	* testsuite/Makefile.am (TEST_AS): New variable.
	(check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
	(check_DATA): Add split_i386 and split_x86_64 files.
	(SPLIT_DEFSYMS): Define.
	(split_i386_[1234n].o): New targets.
	(split_i386_[124]): New targets.
	(split_i386_[1234r].stdout): New targets.
	(split_x86_64_[1234n].o): New targets.
	(split_x86_64_[124]): New targets.
	(split_x86_64_[1234r].stdout): New targets.
	(MOSTLYCLEANFILES): Add new executables.
	* testsuite/split_i386.sh: New file.
	* testsuite/split_x86_64.sh: New file.
	* testsuite/split_i386_1.s: New file.
	* testsuite/split_i386_2.s: New file.
	* testsuite/split_i386_3.s: New file.
	* testsuite/split_i386_4.s: New file.
	* testsuite/split_i386_n.s: New file.
	* testsuite/split_x86_64_1.s: New file.
	* testsuite/split_x86_64_2.s: New file.
	* testsuite/split_x86_64_3.s: New file.
	* testsuite/split_x86_64_4.s: New file.
	* testsuite/split_x86_64_n.s: New file.
	* testsuite/testfile.cc (Target_test): Update relocation_section
	function.
	* testsuite/Makefile.in: Rebuild.

15 files changed, 508 insertions, 4 deletions

diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index 25740b8..6d40a5d 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -25,6 +25,7 @@ TEST_CXXFILT = $(top_builddir)/../binutils/cxxfilt
 TEST_STRIP = $(top_builddir)/../binutils/strip-new
 TEST_AR = $(top_builddir)/../binutils/ar
 TEST_NM = $(top_builddir)/../binutils/nm-new
+TEST_AS = $(top_builddir)/../gas/as-new
 
 if PLUGINS
 LIBDL = -ldl
@@ -1182,3 +1183,79 @@ permission_test: basic_test.o gcctestdir/ld
 
 endif GCC
 endif NATIVE_LINKER
+
+# These tests work with cross linkers.
+
+if DEFAULT_TARGET_I386
+
+check_SCRIPTS += split_i386.sh
+check_DATA += split_i386_1.stdout split_i386_2.stdout \
+	split_i386_3.stdout split_i386_4.stdout split_i386_r.stdout
+SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
+split_i386_1.o: split_i386_1.s
+	$(TEST_AS) -o $@ $<
+split_i386_2.o: split_i386_2.s
+	$(TEST_AS) -o $@ $<
+split_i386_3.o: split_i386_3.s
+	$(TEST_AS) -o $@ $<
+split_i386_4.o: split_i386_4.s
+	$(TEST_AS) -o $@ $<
+split_i386_n.o: split_i386_n.s
+	$(TEST_AS) -o $@ $<
+split_i386_1: split_i386_1.o split_i386_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o $@ split_i386_1.o split_i386_n.o
+split_i386_1.stdout: split_i386_1
+	$(TEST_OBJDUMP) -d $< > $@
+split_i386_2: split_i386_2.o split_i386_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o $@ split_i386_2.o split_i386_n.o
+split_i386_2.stdout: split_i386_2
+	$(TEST_OBJDUMP) -d $< > $@
+split_i386_3.stdout: split_i386_3.o split_i386_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o split_i386_3 split_i386_3.o split_i386_n.o > $@ 2>&1 || exit 0
+split_i386_4: split_i386_4.o split_i386_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o $@ split_i386_4.o split_i386_n.o
+split_i386_4.stdout: split_i386_4
+	$(TEST_OBJDUMP) -d $< > $@
+split_i386_r.stdout: split_i386_1.o split_i386_n.o ../ld-new
+	../ld-new -r split_i386_1.o split_i386_n.o -o split_i386_r > $@ 2>&1 || exit 0
+MOSTLYCLEANFILES += split_i386_1 split_i386_2 split_i386_3 \
+	split_i386_4 split_i386_r
+
+endif DEFAULT_TARGET_I386
+
+if DEFAULT_TARGET_X86_64
+
+check_SCRIPTS += split_x86_64.sh
+check_DATA += split_x86_64_1.stdout split_x86_64_2.stdout \
+	split_x86_64_3.stdout split_x86_64_4.stdout split_x86_64_r.stdout
+SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
+split_x86_64_1.o: split_x86_64_1.s
+	$(TEST_AS) -o $@ $<
+split_x86_64_2.o: split_x86_64_2.s
+	$(TEST_AS) -o $@ $<
+split_x86_64_3.o: split_x86_64_3.s
+	$(TEST_AS) -o $@ $<
+split_x86_64_4.o: split_x86_64_4.s
+	$(TEST_AS) -o $@ $<
+split_x86_64_n.o: split_x86_64_n.s
+	$(TEST_AS) -o $@ $<
+split_x86_64_1: split_x86_64_1.o split_x86_64_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o $@ split_x86_64_1.o split_x86_64_n.o
+split_x86_64_1.stdout: split_x86_64_1
+	$(TEST_OBJDUMP) -d $< > $@
+split_x86_64_2: split_x86_64_2.o split_x86_64_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o $@ split_x86_64_2.o split_x86_64_n.o
+split_x86_64_2.stdout: split_x86_64_2
+	$(TEST_OBJDUMP) -d $< > $@
+split_x86_64_3.stdout: split_x86_64_3.o split_x86_64_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o split_x86_64_3 split_x86_64_3.o split_x86_64_n.o > $@ 2>&1 || exit 0
+split_x86_64_4: split_x86_64_4.o split_x86_64_n.o ../ld-new
+	../ld-new $(SPLIT_DEFSYMS) -o $@ split_x86_64_4.o split_x86_64_n.o
+split_x86_64_4.stdout: split_x86_64_4
+	$(TEST_OBJDUMP) -d $< > $@
+split_x86_64_r.stdout: split_x86_64_1.o split_x86_64_n.o ../ld-new
+	../ld-new -r split_x86_64_1.o split_x86_64_n.o -o split_x86_64_r > $@ 2>&1 || exit 0
+MOSTLYCLEANFILES += split_x86_64_1 split_x86_64_2 split_x86_64_3 \
+	split_x86_64_4 split_x86_64_r
+
+endif DEFAULT_TARGET_X86_64
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 36334ef..f047214 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -378,6 +378,22 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 # Test that if the output file already exists and is empty,
 # it will get execute permission.
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_31 = permission_test
+
+# These tests work with cross linkers.
+@DEFAULT_TARGET_I386_TRUE@am__append_32 = split_i386.sh
+@DEFAULT_TARGET_I386_TRUE@am__append_33 = split_i386_1.stdout split_i386_2.stdout \
+@DEFAULT_TARGET_I386_TRUE@	split_i386_3.stdout split_i386_4.stdout split_i386_r.stdout
+
+@DEFAULT_TARGET_I386_TRUE@am__append_34 = split_i386_1 split_i386_2 split_i386_3 \
+@DEFAULT_TARGET_I386_TRUE@	split_i386_4 split_i386_r
+
+@DEFAULT_TARGET_X86_64_TRUE@am__append_35 = split_x86_64.sh
+@DEFAULT_TARGET_X86_64_TRUE@am__append_36 = split_x86_64_1.stdout split_x86_64_2.stdout \
+@DEFAULT_TARGET_X86_64_TRUE@	split_x86_64_3.stdout split_x86_64_4.stdout split_x86_64_r.stdout
+
+@DEFAULT_TARGET_X86_64_TRUE@am__append_37 = split_x86_64_1 split_x86_64_2 split_x86_64_3 \
+@DEFAULT_TARGET_X86_64_TRUE@	split_x86_64_4 split_x86_64_r
+
 subdir = testsuite
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -1389,6 +1405,7 @@ TEST_CXXFILT = $(top_builddir)/../binutils/cxxfilt
 TEST_STRIP = $(top_builddir)/../binutils/strip-new
 TEST_AR = $(top_builddir)/../binutils/ar
 TEST_NM = $(top_builddir)/../binutils/nm-new
+TEST_AS = $(top_builddir)/../gas/as-new
 @PLUGINS_TRUE@LIBDL = -ldl
 @THREADS_TRUE@THREADSLIB = -lpthread
 @OMP_SUPPORT_TRUE@TLS_TEST_C_CFLAGS = -fopenmp
@@ -1399,13 +1416,15 @@ TEST_NM = $(top_builddir)/../binutils/nm-new
 # the right choice for files 'make' builds that people rebuild.
 MOSTLYCLEANFILES = *.so *.syms *.stdout $(am__append_3) \
 	$(am__append_8) $(am__append_17) $(am__append_25) \
-	$(am__append_29)
+	$(am__append_29) $(am__append_34) $(am__append_37)
 
 # We will add to these later, for each individual test.  Note
 # that we add each test under check_SCRIPTS or check_PROGRAMS;
 # the TESTS variable is automatically populated from these.
-check_SCRIPTS = $(am__append_1) $(am__append_23) $(am__append_27)
-check_DATA = $(am__append_2) $(am__append_24) $(am__append_28)
+check_SCRIPTS = $(am__append_1) $(am__append_23) $(am__append_27) \
+	$(am__append_32) $(am__append_35)
+check_DATA = $(am__append_2) $(am__append_24) $(am__append_28) \
+	$(am__append_33) $(am__append_36)
 BUILT_SOURCES = $(am__append_16)
 TESTS = $(check_SCRIPTS) $(check_PROGRAMS)
 
@@ -1749,6 +1768,8 @@ binary_unittest_SOURCES = binary_unittest.cc
 @GCC_TRUE@@MCMODEL_MEDIUM_TRUE@@NATIVE_LINKER_TRUE@large_CFLAGS = -mcmodel=medium
 @GCC_TRUE@@MCMODEL_MEDIUM_TRUE@@NATIVE_LINKER_TRUE@large_DEPENDENCIES = gcctestdir/ld
 @GCC_TRUE@@MCMODEL_MEDIUM_TRUE@@NATIVE_LINKER_TRUE@large_LDFLAGS = -Bgcctestdir/
+@DEFAULT_TARGET_I386_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
+@DEFAULT_TARGET_X86_64_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
 all: $(BUILT_SOURCES)
 	$(MAKE) $(AM_MAKEFLAGS) all-am
 
@@ -2979,6 +3000,58 @@ uninstall-am:
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	touch $@; \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	chmod 600 $@; \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ basic_test.o
+@DEFAULT_TARGET_I386_TRUE@split_i386_1.o: split_i386_1.s
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_I386_TRUE@split_i386_2.o: split_i386_2.s
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_I386_TRUE@split_i386_3.o: split_i386_3.s
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_I386_TRUE@split_i386_4.o: split_i386_4.s
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_I386_TRUE@split_i386_n.o: split_i386_n.s
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_I386_TRUE@split_i386_1: split_i386_1.o split_i386_n.o ../ld-new
+@DEFAULT_TARGET_I386_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o $@ split_i386_1.o split_i386_n.o
+@DEFAULT_TARGET_I386_TRUE@split_i386_1.stdout: split_i386_1
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_I386_TRUE@split_i386_2: split_i386_2.o split_i386_n.o ../ld-new
+@DEFAULT_TARGET_I386_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o $@ split_i386_2.o split_i386_n.o
+@DEFAULT_TARGET_I386_TRUE@split_i386_2.stdout: split_i386_2
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_I386_TRUE@split_i386_3.stdout: split_i386_3.o split_i386_n.o ../ld-new
+@DEFAULT_TARGET_I386_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o split_i386_3 split_i386_3.o split_i386_n.o > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_I386_TRUE@split_i386_4: split_i386_4.o split_i386_n.o ../ld-new
+@DEFAULT_TARGET_I386_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o $@ split_i386_4.o split_i386_n.o
+@DEFAULT_TARGET_I386_TRUE@split_i386_4.stdout: split_i386_4
+@DEFAULT_TARGET_I386_TRUE@	$(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_I386_TRUE@split_i386_r.stdout: split_i386_1.o split_i386_n.o ../ld-new
+@DEFAULT_TARGET_I386_TRUE@	../ld-new -r split_i386_1.o split_i386_n.o -o split_i386_r > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_1.o: split_x86_64_1.s
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_2.o: split_x86_64_2.s
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_3.o: split_x86_64_3.s
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_4.o: split_x86_64_4.s
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_n.o: split_x86_64_n.s
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_AS) -o $@ $<
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_1: split_x86_64_1.o split_x86_64_n.o ../ld-new
+@DEFAULT_TARGET_X86_64_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o $@ split_x86_64_1.o split_x86_64_n.o
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_1.stdout: split_x86_64_1
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_2: split_x86_64_2.o split_x86_64_n.o ../ld-new
+@DEFAULT_TARGET_X86_64_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o $@ split_x86_64_2.o split_x86_64_n.o
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_2.stdout: split_x86_64_2
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_3.stdout: split_x86_64_3.o split_x86_64_n.o ../ld-new
+@DEFAULT_TARGET_X86_64_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o split_x86_64_3 split_x86_64_3.o split_x86_64_n.o > $@ 2>&1 || exit 0
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_4: split_x86_64_4.o split_x86_64_n.o ../ld-new
+@DEFAULT_TARGET_X86_64_TRUE@	../ld-new $(SPLIT_DEFSYMS) -o $@ split_x86_64_4.o split_x86_64_n.o
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_4.stdout: split_x86_64_4
+@DEFAULT_TARGET_X86_64_TRUE@	$(TEST_OBJDUMP) -d $< > $@
+@DEFAULT_TARGET_X86_64_TRUE@split_x86_64_r.stdout: split_x86_64_1.o split_x86_64_n.o ../ld-new
+@DEFAULT_TARGET_X86_64_TRUE@	../ld-new -r split_x86_64_1.o split_x86_64_n.o -o split_x86_64_r > $@ 2>&1 || exit 0
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/gold/testsuite/split_i386.sh b/gold/testsuite/split_i386.sh
new file mode 100755
index 0000000..e94fea2
--- /dev/null
+++ b/gold/testsuite/split_i386.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# split_i386.sh -- test -fstack-split for i386
+
+# Copyright 2009 Free Software Foundation, Inc.
+# Written by Ian Lance Taylor <iant@google.com>.
+
+# This file is part of gold.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+match()
+{
+  if ! egrep "$1" "$2" >/dev/null 2>&1; then
+    echo 1>&2 "could not find '$1' in $2"
+    exit 1
+  fi
+}
+
+nomatch()
+{
+  if egrep "$1" "$2" >/dev/null 2>&1; then
+    echo 1>&2 "found unexpected '$1' in $2"
+    exit 1
+  fi
+}
+
+match 'cmp.*+%gs:[^,]*,%esp' split_i386_1.stdout
+match 'call.*__morestack>?$' split_i386_1.stdout
+match 'lea.*-0x200\(%esp\),' split_i386_1.stdout
+
+match 'stc' split_i386_2.stdout
+match 'call.*__morestack_non_split>?$' split_i386_2.stdout
+nomatch 'call.*__morestack>?$' split_i386_2.stdout
+match 'lea.*-0x4200\(%esp\),' split_i386_2.stdout
+
+match 'failed to match' split_i386_3.stdout
+
+match 'call.*__morestack>?$' split_i386_4.stdout
+
+match 'cannot mix' split_i386_r.stdout
diff --git a/gold/testsuite/split_i386_1.s b/gold/testsuite/split_i386_1.s
new file mode 100644
index 0000000..9ac816e
--- /dev/null
+++ b/gold/testsuite/split_i386_1.s
@@ -0,0 +1,33 @@
+# split_i386_1.s: i386 specific test case for -fsplit-stack.
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	cmp	%gs:0x30,%esp
+	jae	1f
+	call	__morestack
+	ret
+1:
+	call	fn2
+	ret
+
+	.size	fn1,. - fn1
+
+	.global	fn2
+	.type	fn2,@function
+fn2:
+	lea	-0x200(%esp),%ecx
+	cmp	%gs:0x30,%ecx
+	jae	1f
+	call	__morestack
+	ret
+1:
+	call	fn1
+	ret
+
+	.size	fn2,. - fn2
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_i386_2.s b/gold/testsuite/split_i386_2.s
new file mode 100644
index 0000000..b4a2f14
--- /dev/null
+++ b/gold/testsuite/split_i386_2.s
@@ -0,0 +1,33 @@
+# split_i386_2.s: i386 specific, -fsplit-stack calling non-split
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	cmp	%gs:0x30,%esp
+	jae	1f
+	call	__morestack
+	ret
+1:
+	call	fn3
+	ret
+
+	.size	fn1,. - fn1
+
+	.global	fn2
+	.type	fn2,@function
+fn2:
+	lea	-0x200(%esp),%ecx
+	cmp	%gs:0x30,%ecx
+	jae	1f
+	call	__morestack
+	ret
+1:
+	call	fn3
+	ret
+
+	.size	fn2,. - fn2
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_i386_3.s b/gold/testsuite/split_i386_3.s
new file mode 100644
index 0000000..fdde7a9
--- /dev/null
+++ b/gold/testsuite/split_i386_3.s
@@ -0,0 +1,22 @@
+# split_i386_3.s: i386 specific, adjustment failure
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	push	%ebp
+	mov	%esp,%ebp
+	cmp	%gs:0x30,%esp
+	jae	1f
+	call	__morestack
+	ret
+1:
+	call	fn3
+	leave
+	ret
+
+	.size	fn1,. - fn1
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_i386_4.s b/gold/testsuite/split_i386_4.s
new file mode 100644
index 0000000..be774ae
--- /dev/null
+++ b/gold/testsuite/split_i386_4.s
@@ -0,0 +1,23 @@
+# split_i386_4.s: i386 specific, permitted adjustment failure
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	push	%ebp
+	mov	%esp,%ebp
+	cmp	%gs:0x30,%esp
+	jae	1f
+	call	__morestack
+	ret
+1:
+	call	fn3
+	leave
+	ret
+
+	.size	fn1,. - fn1
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
+	.section	.note.GNU-no-split-stack,"",@progbits
diff --git a/gold/testsuite/split_i386_n.s b/gold/testsuite/split_i386_n.s
new file mode 100644
index 0000000..4d4e6e8
--- /dev/null
+++ b/gold/testsuite/split_i386_n.s
@@ -0,0 +1,12 @@
+# split_i386_n.s: i386 specific, -fsplit-stack calling non-split
+
+	.text
+
+	.global	fn3
+	.type	fn3,@function
+fn3:
+	ret
+
+	.size	fn3,. - fn3
+
+	.section	.note.GNU-stack,"",@progbits
diff --git a/gold/testsuite/split_x86_64.sh b/gold/testsuite/split_x86_64.sh
new file mode 100755
index 0000000..61544b2
--- /dev/null
+++ b/gold/testsuite/split_x86_64.sh
@@ -0,0 +1,54 @@
+#!/bin/sh
+
+# split_x86_64.sh -- test -fstack-split for x86_64
+
+# Copyright 2009 Free Software Foundation, Inc.
+# Written by Ian Lance Taylor <iant@google.com>.
+
+# This file is part of gold.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+
+match()
+{
+  if ! egrep "$1" "$2" >/dev/null 2>&1; then
+    echo 1>&2 "could not find '$1' in $2"
+    exit 1
+  fi
+}
+
+nomatch()
+{
+  if egrep "$1" "$2" >/dev/null 2>&1; then
+    echo 1>&2 "found unexpected '$1' in $2"
+    exit 1
+  fi
+}
+
+match 'cmp.*+%fs:[^,]*,%rsp' split_x86_64_1.stdout
+match 'callq.*__morestack>?$' split_x86_64_1.stdout
+match 'lea.*-0x200\(%rsp\),' split_x86_64_1.stdout
+
+match 'stc' split_x86_64_2.stdout
+match 'callq.*__morestack_non_split>?$' split_x86_64_2.stdout
+nomatch 'callq.*__morestack>?$' split_x86_64_2.stdout
+match 'lea.*-0x4200\(%rsp\),' split_x86_64_2.stdout
+
+match 'failed to match' split_x86_64_3.stdout
+
+match 'callq.*__morestack>?$' split_x86_64_4.stdout
+
+match 'cannot mix' split_x86_64_r.stdout
diff --git a/gold/testsuite/split_x86_64_1.s b/gold/testsuite/split_x86_64_1.s
new file mode 100644
index 0000000..e23ea7f
--- /dev/null
+++ b/gold/testsuite/split_x86_64_1.s
@@ -0,0 +1,33 @@
+# split_x86_64_1.s: x86_64 specific test case for -fsplit-stack.
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	cmp	%fs:0x70,%rsp
+	jae	1f
+	callq	__morestack
+	retq
+1:
+	callq	fn2
+	retq
+
+	.size	fn1,. - fn1
+
+	.global	fn2
+	.type	fn2,@function
+fn2:
+	lea	-0x200(%rsp),%r10
+	cmp	%fs:0x70,%r10
+	jae	1f
+	callq	__morestack
+	retq
+1:
+	callq	fn1
+	retq
+
+	.size	fn2,. - fn2
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_x86_64_2.s b/gold/testsuite/split_x86_64_2.s
new file mode 100644
index 0000000..0559bbc
--- /dev/null
+++ b/gold/testsuite/split_x86_64_2.s
@@ -0,0 +1,33 @@
+# split_x86_64_2.s: x86_64 specific, -fsplit-stack calling non-split
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	cmp	%fs:0x70,%rsp
+	jae	1f
+	callq	__morestack
+	retq
+1:
+	callq	fn3
+	retq
+
+	.size	fn1,. - fn1
+
+	.global	fn2
+	.type	fn2,@function
+fn2:
+	lea	-0x200(%rsp),%r10
+	cmp	%fs:0x70,%r10
+	jae	1f
+	callq	__morestack
+	retq
+1:
+	callq	fn3
+	retq
+
+	.size	fn2,. - fn2
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_x86_64_3.s b/gold/testsuite/split_x86_64_3.s
new file mode 100644
index 0000000..68ae6e3
--- /dev/null
+++ b/gold/testsuite/split_x86_64_3.s
@@ -0,0 +1,22 @@
+# split_x86_64_3.s: x86_64 specific, adjustment failure
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	push	%rbp
+	mov	%rsp,%rbp
+	cmp	%fs:0x70,%rsp
+	jae	1f
+	callq	__morestack
+	retq
+1:
+	callq	fn3
+	leaveq
+	retq
+
+	.size	fn1,. - fn1
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
diff --git a/gold/testsuite/split_x86_64_4.s b/gold/testsuite/split_x86_64_4.s
new file mode 100644
index 0000000..653b917
--- /dev/null
+++ b/gold/testsuite/split_x86_64_4.s
@@ -0,0 +1,23 @@
+# split_x86_64_4.s: x86_64 specific, permitted adjustment failure
+
+	.text
+
+	.global	fn1
+	.type	fn1,@function
+fn1:
+	push	%rbp
+	mov	%rsp,%rbp
+	cmp	%fs:0x70,%rsp
+	jae	1f
+	callq	__morestack
+	retq
+1:
+	callq	fn3
+	leaveq
+	retq
+
+	.size	fn1,. - fn1
+
+	.section	.note.GNU-stack,"",@progbits
+	.section	.note.GNU-split-stack,"",@progbits
+	.section	.note.GNU-no-split-stack,"",@progbits
diff --git a/gold/testsuite/split_x86_64_n.s b/gold/testsuite/split_x86_64_n.s
new file mode 100644
index 0000000..10436b1
--- /dev/null
+++ b/gold/testsuite/split_x86_64_n.s
@@ -0,0 +1,12 @@
+# split_x86_64_n.s: x86_64 specific, -fsplit-stack calling non-split
+
+	.text
+
+	.global	fn3
+	.type	fn3,@function
+fn3:
+	retq
+
+	.size	fn3,. - fn3
+
+	.section	.note.GNU-stack,"",@progbits
diff --git a/gold/testsuite/testfile.cc b/gold/testsuite/testfile.cc
index 2532307..d66189a 100644
--- a/gold/testsuite/testfile.cc
+++ b/gold/testsuite/testfile.cc
@@ -61,7 +61,7 @@ class Target_test : public Sized_target<size, big_endian>
   relocate_section(const Relocate_info<size, big_endian>*, unsigned int,
 		   const unsigned char*, size_t, Output_section*, bool,
 		   unsigned char*, typename elfcpp::Elf_types<size>::Elf_Addr,
-		   section_size_type)
+		   section_size_type, const Reloc_symbol_changes*)
   { ERROR("call to Target_test::relocate_section"); }
 
   void