2009-10-16 Doug Kwan <dougkwan@google.com>

	* expression.cc (class Segment_start_expression): New class definition.
	(Segment_start_expression::value): New method definition.
	(script_exp_function_segment_start): Return a new
	Segment_start_expression.
	* gold/script-c.h (script_saw_segment_start_expression): New function
	prototype.
	* script-sections.cc (Script_sections::Script_sections): Initialize
	SAW_SEGMENT_START_EXPRESSION_ to false.
	(Script_sections::set_section_addresses): Use -Ttext, -Tdata
	and -Tbbs options to specify section addresses if given in
	command line and no SEGMENT_START expression is seen in a script.
	* script-sections.h (Script_sections::saw_segment_start_expression,
	Script_sections::set_saw_segment_start_expression): New method
	definition.
	(Script_sections::saw_segment_start_expression_): New data member
	declaration.
	* script.cc (script_saw_segment_start_expression): New function.
	* yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
	* testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
	script_test_7.sh and script_test_8.sh.
	(check_DATA): Add script_test_6.stdout, script_test_7.stdout and
	script_test_8.stdout.
	(MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
	(script_test_6, script_test_6.stdout, script_test_7,
	script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
	* Makefile.in: Regenerate.
	* testsuite/script_test_6.sh: New file.
	* testsuite/script_test_6.t: Same.
	* testsuite/script_test_7.sh: Same.
	* testsuite/script_test_7.t: Same.
	* testsuite/script_test_8.sh: Same.

7 files changed, 263 insertions, 4 deletions

diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index 09d7325..6fa1e18 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -1009,6 +1009,32 @@ script_test_5: script_test_5.o gcctestdir/ld $(srcdir)/script_test_5.t
 script_test_5.stdout: script_test_5
 	$(TEST_READELF) -SW script_test_5 > script_test_5.stdout
 
+check_SCRIPTS += script_test_6.sh
+check_DATA += script_test_6.stdout
+MOSTLYCLEANFILES += script_test_6
+script_test_6: basic_test.o gcctestdir/ld $(srcdir)/script_test_6.t
+	$(CXXLINK) -Bgcctestdir/ basic_test.o -T $(srcdir)/script_test_6.t \
+	-Wl,-Ttext=0x10001000 -Wl,-Tdata=0x10200000 -Wl,-Tbss=0x10400000
+script_test_6.stdout: script_test_6
+	$(TEST_READELF) -SlW script_test_6 > script_test_6.stdout
+
+check_SCRIPTS += script_test_7.sh
+check_DATA += script_test_7.stdout
+MOSTLYCLEANFILES += script_test_7
+script_test_7: basic_test.o gcctestdir/ld $(srcdir)/script_test_7.t
+	$(CXXLINK) -Bgcctestdir/ basic_test.o -T $(srcdir)/script_test_7.t
+script_test_7.stdout: script_test_7
+	$(TEST_READELF) -SlW script_test_7 > script_test_7.stdout
+
+check_SCRIPTS += script_test_8.sh
+check_DATA += script_test_8.stdout
+MOSTLYCLEANFILES += script_test_8
+script_test_8: basic_test.o gcctestdir/ld $(srcdir)/script_test_7.t
+	$(CXXLINK) -Bgcctestdir/ basic_test.o -T $(srcdir)/script_test_7.t \
+	-Wl,-Ttext=0x20001000 -Wl,-Tdata=0x20200000 -Wl,-Tbss=0x20400000
+script_test_8.stdout: script_test_8
+	$(TEST_READELF) -SlW script_test_8 > script_test_8.stdout
+
 # Test --dynamic-list, --dynamic-list-data, --dynamic-list-cpp-new,
 # and --dynamic-list-cpp-typeinfo
 
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 3f5459f..193888a 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -67,7 +67,10 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_matching_test.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_3.sh \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_4.sh \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_5.sh dynamic_list.sh
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_5.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_6.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_7.sh \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_8.sh dynamic_list.sh
 
 # Create the data files that debug_msg.sh analyzes.
 
@@ -92,6 +95,9 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_3.stdout \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_4.stdout \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_5.stdout \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_6.stdout \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_7.stdout \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_8.stdout \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	dynamic_list.stdout
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_3 = gc_comdat_test \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	gc_tls_test icf_test \
@@ -242,9 +248,10 @@ check_PROGRAMS = object_unittest$(EXEEXT) binary_unittest$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_matching_test.stdout \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_3.stdout \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_4 script_test_5 \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	dynamic_list dynamic_list.stdout \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	libthin1.a libthin3.a \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	libthinall.a \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_6 script_test_7 \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_8 dynamic_list \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	dynamic_list.stdout libthin1.a \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	libthin3.a libthinall.a \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	alt/thin_archive_test_2.o \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	alt/thin_archive_test_4.o \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	alt/libthin2.a alt/libthin4.a
@@ -2972,6 +2979,20 @@ uninstall-am:
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ script_test_5.o -T $(srcdir)/script_test_5.t
 @GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_5.stdout: script_test_5
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	$(TEST_READELF) -SW script_test_5 > script_test_5.stdout
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_6: basic_test.o gcctestdir/ld $(srcdir)/script_test_6.t
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ basic_test.o -T $(srcdir)/script_test_6.t \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	-Wl,-Ttext=0x10001000 -Wl,-Tdata=0x10200000 -Wl,-Tbss=0x10400000
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_6.stdout: script_test_6
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(TEST_READELF) -SlW script_test_6 > script_test_6.stdout
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_7: basic_test.o gcctestdir/ld $(srcdir)/script_test_7.t
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ basic_test.o -T $(srcdir)/script_test_7.t
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_7.stdout: script_test_7
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(TEST_READELF) -SlW script_test_7 > script_test_7.stdout
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_8: basic_test.o gcctestdir/ld $(srcdir)/script_test_7.t
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ basic_test.o -T $(srcdir)/script_test_7.t \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	-Wl,-Ttext=0x20001000 -Wl,-Tdata=0x20200000 -Wl,-Tbss=0x20400000
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_8.stdout: script_test_8
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	$(TEST_READELF) -SlW script_test_8 > script_test_8.stdout
 @GCC_TRUE@@NATIVE_LINKER_TRUE@dynamic_list: basic_test.o gcctestdir/ld $(srcdir)/dynamic_list.t
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	$(CXXLINK) -Bgcctestdir/ basic_test.o \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	  -Wl,--dynamic-list $(srcdir)/dynamic_list.t \
diff --git a/gold/testsuite/script_test_6.sh b/gold/testsuite/script_test_6.sh
new file mode 100755
index 0000000..bbc96d8
--- /dev/null
+++ b/gold/testsuite/script_test_6.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+# script_test_6.sh -- test for -Ttext, -Tdata and -Tbss with a script.
+
+# Copyright 2009 Free Software Foundation, Inc.
+# Written by Doug Kwan <dougkwan@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.
+
+# This file goes with script_test_4.t, which is a linker script which
+# starts the program at an unaligned address.
+
+check()
+{
+    if ! grep -q "$2" "$1"
+    then
+	echo "Did not find expected section in $1:"
+	echo "   $2"
+	echo ""
+	echo "Actual output below:"
+	cat "$1"
+	exit 1
+    fi
+}
+
+check script_test_6.stdout "\\.text[ 	]*PROGBITS[ 	]*0*10001000"
+check script_test_6.stdout "\\.data[ 	]*PROGBITS[ 	]*0*10200000"
+check script_test_6.stdout "\\.bss[ 	]*NOBITS[ 	]*0*10400000"
diff --git a/gold/testsuite/script_test_6.t b/gold/testsuite/script_test_6.t
new file mode 100644
index 0000000..9676371
--- /dev/null
+++ b/gold/testsuite/script_test_6.t
@@ -0,0 +1,41 @@
+/* script_test_5.t -- linker script test 5 for gold
+
+   Copyright 2009 Free Software Foundation, Inc.
+   Written by Cary Coutant <ccoutant@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.  */
+
+/* We won't try to run this program, just ensure that it links
+   as expected.  */
+
+SECTIONS
+{
+  . = 0x10000000;
+
+  /* With luck this will be enough to get the program working.  */
+  .interp : { *(.interp) }
+  .text : { *(.text .text.*) }
+  .rodata : { *(.rodata .rodata.*) }
+  . += 0x100000;
+  . = ALIGN(0x100);
+  .dynamic : { *(.dynamic) }
+  .data : { *(.data) }
+  . += 0x100000;
+  . = ALIGN(0x100);
+  .bss : { *(.bss) }
+}
diff --git a/gold/testsuite/script_test_7.sh b/gold/testsuite/script_test_7.sh
new file mode 100755
index 0000000..982a1c1
--- /dev/null
+++ b/gold/testsuite/script_test_7.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+# script_test_7.sh -- test for SEGMENT_START expressions.
+
+# Copyright 2009 Free Software Foundation, Inc.
+# Written by Doug Kwan <dougkwan@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.
+
+# This file goes with script_test_4.t, which is a linker script which
+# starts the program at an unaligned address.
+
+check()
+{
+    if ! grep -q "$2" "$1"
+    then
+	echo "Did not find expected section in $1:"
+	echo "   $2"
+	echo ""
+	echo "Actual output below:"
+	cat "$1"
+	exit 1
+    fi
+}
+
+check script_test_7.stdout "\\.interp[ 	]*PROGBITS[ 	]*0*10000100"
+check script_test_7.stdout "\\.data[ 	]*PROGBITS[ 	]*0*10200000"
+check script_test_7.stdout "\\.bss[ 	]*NOBITS[ 	]*0*10400..."
diff --git a/gold/testsuite/script_test_7.t b/gold/testsuite/script_test_7.t
new file mode 100644
index 0000000..a4c4973
--- /dev/null
+++ b/gold/testsuite/script_test_7.t
@@ -0,0 +1,41 @@
+/* script_test_5.t -- linker script test 5 for gold
+
+   Copyright 2009 Free Software Foundation, Inc.
+   Written by Cary Coutant <ccoutant@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.  */
+
+/* We won't try to run this program, just ensure that it links
+   as expected.  */
+
+SECTIONS
+{
+  . = SEGMENT_START(".text", 0x10000100);
+
+  /* With luck this will be enough to get the program working.  */
+  .interp : { *(.interp) }
+  .text : { *(.text .text.*) }
+  .rodata : { *(.rodata .rodata.*) }
+  .dynamic : { *(.dynamic) }
+
+  . = SEGMENT_START(".data", 0x10200000);
+  .data : { *(.data) }
+
+  . = SEGMENT_START(".bss", 0x10400000);
+  .bss : { *(.bss) }
+}
diff --git a/gold/testsuite/script_test_8.sh b/gold/testsuite/script_test_8.sh
new file mode 100755
index 0000000..83e8e72
--- /dev/null
+++ b/gold/testsuite/script_test_8.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# script_test_8.sh -- test for SEGMENT_START expressions with
+# -Ttext, -Tdata and -Tbss in a script.
+
+# Copyright 2009 Free Software Foundation, Inc.
+# Written by Doug Kwan <dougkwan@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.
+
+# This file goes with script_test_4.t, which is a linker script which
+# starts the program at an unaligned address.
+
+check()
+{
+    if ! grep -q "$2" "$1"
+    then
+	echo "Did not find expected section in $1:"
+	echo "   $2"
+	echo ""
+	echo "Actual output below:"
+	cat "$1"
+	exit 1
+    fi
+}
+
+check script_test_8.stdout "\\.interp[ 	]*PROGBITS[ 	]*0*20001000"
+check script_test_8.stdout "\\.data[ 	]*PROGBITS[ 	]*0*20200000"
+check script_test_8.stdout "\\.bss[ 	]*NOBITS[ 	]*0*2040...."