Initial pass at Go language support.

	* NEWS: Mention Go.
	* Makefile.in (SFILES): Add go-exp.y, go-lang.c, go-typeprint.c,
	go-valprint.c.
	(COMMON_OBS): Add go-lang.o, go-val.print.o, go-typeprint.o.
	(YYFILES): Add go-exp.c.
	(YYOBJ): Add go-exp.o.
	(local-maintainer-clean): Delete go-exp.c.
	* defs.h (enum language): Add language_go.
	* dwarf2read.c: #include "go-lang.h".
	(fixup_go_packaging): New function.
	(process_full_comp_unit): Call it when processing Go CUs.
	(dwarf2_physname): Add Go support.
	(read_file_scope): Handle missing language spec for GNU Go.
	(set_cu_language): Handle DW_LANG_Go.
	* go-exp.y: New file.
	* go-lang.h: New file.
	* go-lang.c: New file.
	* go-typeprint.c: New file.
	* go-valprint.c: New file.
	* symtab.c: #include "go-lang.h".
	(symbol_set_language): Handle language_go.
	(symbol_find_demangled_name, symbol_set_names): Ditto.
	(symbol_natural_name, demangle_for_lookup, find_main_name): Ditto.

	testsuite/
	* configure.ac: Create gdb.go/Makefile.
	* configure: Regenerate.
	* gdb.base/default.exp: Add "go" to "set language" testing.
	* gdb.go/Makefile.in: New file.
	* gdb.go/basic-types.exp: New file.
	* gdb.go/chan.exp: New file.
	* gdb.go/chan.go: New file.
	* gdb.go/handcall.exp: New file.
	* gdb.go/handcall.go: New file.
	* gdb.go/hello.exp: New file.
	* gdb.go/hello.go: New file.
	* gdb.go/integers.exp: New file.
	* gdb.go/integers.go: New file.
	* gdb.go/methods.exp: New file.
	* gdb.go/methods.go: New file.
	* gdb.go/package.exp: New file.
	* gdb.go/package1.go: New file.
	* gdb.go/package2.go: New file.
	* gdb.go/print.exp: New file.
	* gdb.go/strings.exp: New file.
	* gdb.go/strings.go: New file.
	* gdb.go/types.exp: New file.
	* gdb.go/types.go: New file.
	* gdb.go/unsafe.exp: New file.
	* gdb.go/unsafe.go: New file.
	* lib/future.exp: Add Go support.
	(gdb_find_go, gdb_find_go_linker): New procs.
	(gdb_default_target_compile): Add Go support.
	* lib/gdb.exp (skip_go_tests): New proc.
	* lib/go.exp: New file.

	doc/
	* gdb.texinfo (Supported Languages): Add Go.
	(Go): New node.

1 files changed, 70 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.go/print.exp b/gdb/testsuite/gdb.go/print.exp
new file mode 100644
index 0000000..84e6166
--- /dev/null
+++ b/gdb/testsuite/gdb.go/print.exp
@@ -0,0 +1,70 @@
+# This testcase is part of GDB, the GNU debugger.
+
+# Copyright 2012 Free Software Foundation, Inc.
+
+# 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, see <http://www.gnu.org/licenses/>.
+
+# Test printing of various values.
+# NOTE: The tests here intentionally do not require a go compiler.
+
+load_lib "go.exp"
+
+if { [skip_go_tests] } { continue }
+
+proc test_float_accepted {} {
+    global gdb_prompt
+
+    # Test parsing of fp value with legit text following.
+    gdb_test "p 1234.5+1" " = 1235.5" "check fp + text"
+
+    # Test all the suffixes (including no suffix).
+    gdb_test "p 1." " = 1"
+    gdb_test "p 1.5" " = 1.5"
+    gdb_test "p 1.f" " = 1"
+    gdb_test "p 1.5f" " = 1.5"
+    gdb_test "p 1.l" " = 1"
+    gdb_test "p 1.5l" " = 1.5"
+
+    # Test hexadecimal floating point.
+    set test "p 0x1.1"
+    gdb_test_multiple $test $test {
+	-re " = 1\\.0625\r\n$gdb_prompt $" {
+	    pass $test
+	}
+	-re "Invalid number \"0x1\\.1\"\\.\r\n$gdb_prompt $" {
+	    # Older glibc does not support hex float, newer does.
+	    xfail $test
+	}
+    }
+}
+
+proc test_float_rejected {} {
+    # Test bad suffixes.
+    test_print_reject "p 1.1x"
+    test_print_reject "p 1.1ff"
+    test_print_reject "p 1.1ll"
+}
+
+# Start with a fresh gdb.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+
+if [set_lang_go] {
+    test_float_accepted
+    test_float_rejected
+} else {
+    warning "Go print tests suppressed"
+}