Support assignments and expressions in linker scripts.

4 files changed, 107 insertions, 5 deletions

diff --git a/gold/testsuite/Makefile.am b/gold/testsuite/Makefile.am
index 8083ff0..46e949c 100644
--- a/gold/testsuite/Makefile.am
+++ b/gold/testsuite/Makefile.am
@@ -503,5 +503,10 @@ ver_test_3.o: ver_test_3.cc
 ver_test_4.o: ver_test_4.cc
 	$(CXXCOMPILE) -c -fpic -o $@ $<
 
+check_PROGRAMS += script_test_1
+script_test_1_SOURCES = script_test_1.cc
+script_test_1_DEPENDENCIES = gcctestdir/ld script_test_1.t
+script_test_1_LDFLAGS = -Bgcctestdir/ -Wl,-R,. -T $(srcdir)/script_test_1.t
+
 endif GCC
 endif NATIVE_LINKER
diff --git a/gold/testsuite/Makefile.in b/gold/testsuite/Makefile.in
index 316cf00..f61e4e5 100644
--- a/gold/testsuite/Makefile.in
+++ b/gold/testsuite/Makefile.in
@@ -171,7 +171,14 @@ check_PROGRAMS = object_unittest$(EXEEXT) $(am__EXEEXT_1) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__append_10 = flagstest_compress_debug_sections \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	flagstest_o_specialfile \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	flagstest_o_specialfile_and_compress_debug_sections \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test script_test_1
+@GCC_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a ../libgold.a \
+@GCC_FALSE@	../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
+@GCC_FALSE@	$(am__DEPENDENCIES_1)
+@NATIVE_LINKER_FALSE@script_test_1_DEPENDENCIES = libgoldtest.a \
+@NATIVE_LINKER_FALSE@	../libgold.a ../../libiberty/libiberty.a \
+@NATIVE_LINKER_FALSE@	$(am__DEPENDENCIES_1) \
+@NATIVE_LINKER_FALSE@	$(am__DEPENDENCIES_1)
 subdir = testsuite
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -233,7 +240,8 @@ libgoldtest_a_OBJECTS = $(am_libgoldtest_a_OBJECTS)
 @GCC_TRUE@@NATIVE_LINKER_TRUE@am__EXEEXT_7 = flagstest_compress_debug_sections$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	flagstest_o_specialfile$(EXEEXT) \
 @GCC_TRUE@@NATIVE_LINKER_TRUE@	flagstest_o_specialfile_and_compress_debug_sections$(EXEEXT) \
-@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test$(EXEEXT)
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	ver_test$(EXEEXT) \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_1$(EXEEXT)
 basic_pic_test_SOURCES = basic_pic_test.c
 basic_pic_test_OBJECTS = basic_pic_test.$(OBJEXT)
 basic_pic_test_LDADD = $(LDADD)
@@ -349,6 +357,11 @@ object_unittest_LDADD = $(LDADD)
 object_unittest_DEPENDENCIES = libgoldtest.a ../libgold.a \
 	../../libiberty/libiberty.a $(am__DEPENDENCIES_1) \
 	$(am__DEPENDENCIES_1)
+am__script_test_1_SOURCES_DIST = script_test_1.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@am_script_test_1_OBJECTS =  \
+@GCC_TRUE@@NATIVE_LINKER_TRUE@	script_test_1.$(OBJEXT)
+script_test_1_OBJECTS = $(am_script_test_1_OBJECTS)
+script_test_1_LDADD = $(LDADD)
 am__tls_pic_test_SOURCES_DIST = tls_test_main.cc
 @GCC_TRUE@@NATIVE_LINKER_TRUE@@TLS_TRUE@am_tls_pic_test_OBJECTS = tls_test_main.$(OBJEXT)
 tls_pic_test_OBJECTS = $(am_tls_pic_test_OBJECTS)
@@ -503,8 +516,8 @@ SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
 	$(exception_static_test_SOURCES) $(exception_test_SOURCES) \
 	flagstest_compress_debug_sections.c flagstest_o_specialfile.c \
 	flagstest_o_specialfile_and_compress_debug_sections.c \
-	$(object_unittest_SOURCES) $(tls_pic_test_SOURCES) \
-	$(tls_shared_ie_test_SOURCES) \
+	$(object_unittest_SOURCES) $(script_test_1_SOURCES) \
+	$(tls_pic_test_SOURCES) $(tls_shared_ie_test_SOURCES) \
 	$(tls_shared_nonpic_test_SOURCES) $(tls_shared_test_SOURCES) \
 	$(tls_static_pic_test_SOURCES) $(tls_static_test_SOURCES) \
 	$(tls_test_SOURCES) $(two_file_pic_test_SOURCES) \
@@ -535,7 +548,8 @@ DIST_SOURCES = $(libgoldtest_a_SOURCES) basic_pic_test.c \
 	$(am__exception_test_SOURCES_DIST) \
 	flagstest_compress_debug_sections.c flagstest_o_specialfile.c \
 	flagstest_o_specialfile_and_compress_debug_sections.c \
-	$(object_unittest_SOURCES) $(am__tls_pic_test_SOURCES_DIST) \
+	$(object_unittest_SOURCES) $(am__script_test_1_SOURCES_DIST) \
+	$(am__tls_pic_test_SOURCES_DIST) \
 	$(am__tls_shared_ie_test_SOURCES_DIST) \
 	$(am__tls_shared_nonpic_test_SOURCES_DIST) \
 	$(am__tls_shared_test_SOURCES_DIST) \
@@ -905,6 +919,9 @@ object_unittest_SOURCES = object_unittest.cc
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_DEPENDENCIES = gcctestdir/ld ver_test_1.so ver_test_2.so ver_test_4.so
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_LDFLAGS = -Bgcctestdir/ -Wl,-R,.
 @GCC_TRUE@@NATIVE_LINKER_TRUE@ver_test_LDADD = ver_test_1.so ver_test_2.so ver_test_4.so
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_1_SOURCES = script_test_1.cc
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_1_DEPENDENCIES = gcctestdir/ld script_test_1.t
+@GCC_TRUE@@NATIVE_LINKER_TRUE@script_test_1_LDFLAGS = -Bgcctestdir/ -Wl,-R,. -T $(srcdir)/script_test_1.t
 all: all-am
 
 .SUFFIXES:
@@ -1020,6 +1037,9 @@ exception_test$(EXEEXT): $(exception_test_OBJECTS) $(exception_test_DEPENDENCIES
 object_unittest$(EXEEXT): $(object_unittest_OBJECTS) $(object_unittest_DEPENDENCIES) 
 	@rm -f object_unittest$(EXEEXT)
 	$(CXXLINK) $(object_unittest_LDFLAGS) $(object_unittest_OBJECTS) $(object_unittest_LDADD) $(LIBS)
+script_test_1$(EXEEXT): $(script_test_1_OBJECTS) $(script_test_1_DEPENDENCIES) 
+	@rm -f script_test_1$(EXEEXT)
+	$(CXXLINK) $(script_test_1_LDFLAGS) $(script_test_1_OBJECTS) $(script_test_1_LDADD) $(LIBS)
 tls_pic_test$(EXEEXT): $(tls_pic_test_OBJECTS) $(tls_pic_test_DEPENDENCIES) 
 	@rm -f tls_pic_test$(EXEEXT)
 	$(CXXLINK) $(tls_pic_test_LDFLAGS) $(tls_pic_test_OBJECTS) $(tls_pic_test_LDADD) $(LIBS)
@@ -1111,6 +1131,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/flagstest_o_specialfile.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/flagstest_o_specialfile_and_compress_debug_sections.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/object_unittest.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/script_test_1.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/test.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testfile.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testmain.Po@am__quote@
diff --git a/gold/testsuite/script_test_1.cc b/gold/testsuite/script_test_1.cc
new file mode 100644
index 0000000..1bdf770
--- /dev/null
+++ b/gold/testsuite/script_test_1.cc
@@ -0,0 +1,47 @@
+// script_test_1.cc -- linker script test 1 for gold  -*- C++ -*-
+
+// Copyright 2008 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.
+
+// A test for a linker script which sets symbols to values.
+
+#include <cassert>
+#include <cstddef>
+#include <stdint.h>
+
+extern char a, b, c, d, e, f, g;
+int sym = 3;
+int common_sym;
+
+int
+main(int, char**)
+{
+  assert(reinterpret_cast<intptr_t>(&a) == 123);
+  assert(reinterpret_cast<intptr_t>(&b) == reinterpret_cast<intptr_t>(&a) * 2);
+  assert(reinterpret_cast<intptr_t>(&c)
+	 == reinterpret_cast<intptr_t>(&b) + 3 * 6);
+  assert(reinterpret_cast<intptr_t>(&d)
+	 == (reinterpret_cast<intptr_t>(&b) + 3) * 6);
+  assert(reinterpret_cast<int*>(&e) == &sym);
+  assert(reinterpret_cast<intptr_t>(&f)
+	 == reinterpret_cast<intptr_t>(&sym) + 10);
+  assert(reinterpret_cast<int*>(&g) == &common_sym);
+  return 0;
+}
diff --git a/gold/testsuite/script_test_1.t b/gold/testsuite/script_test_1.t
new file mode 100644
index 0000000..af971c6
--- /dev/null
+++ b/gold/testsuite/script_test_1.t
@@ -0,0 +1,29 @@
+/* script_test_1.t -- linker script test 1 for gold
+
+   Copyright 2008 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.  */
+
+a = 123;
+b = a * 2;
+c = b + 3 * 6;
+d = (b + 3) * 6;
+e = sym;
+f = sym + 10;
+g = common_sym;