gdb/testsuite/

* gdb.dwarf2/dw2-ranges.S: Rename to ...
	* gdb.dwarf2/dw2-ranges.c: ... here, convert it to C.
	* gdb.dwarf2/dw2-ranges.exp: Skip the testcase on !$gcc_compiled.
	Rename srcfile, srcfile2 and srcfile3, new asmfile, asmfile2 and
	asmfile3.  Comment the STABS (#3) file compilation.  Compile
	everything through assembler.  Provide KFAIL for symtab/12497.
	* gdb.dwarf2/dw2-ranges2.S: Rename to ...
	* gdb.dwarf2/dw2-ranges2.c: ... here, convert it to C.
	* gdb.dwarf2/dw2-ranges3.S: Rename to ...
	* gdb.dwarf2/dw2-ranges3.c: ... here, convert it to C.

gdb/testsuite/ChangeLog

@@ -1,3 +1,16 @@
+2011-02-25  Jan Kratochvil  <jan.kratochvil@redhat.com>
+
+	* gdb.dwarf2/dw2-ranges.S: Rename to ...
+	* gdb.dwarf2/dw2-ranges.c: ... here, convert it to C.
+	* gdb.dwarf2/dw2-ranges.exp: Skip the testcase on !$gcc_compiled.
+	Rename srcfile, srcfile2 and srcfile3, new asmfile, asmfile2 and
+	asmfile3.  Comment the STABS (#3) file compilation.  Compile
+	everything through assembler.  Provide KFAIL for symtab/12497.
+	* gdb.dwarf2/dw2-ranges2.S: Rename to ...
+	* gdb.dwarf2/dw2-ranges2.c: ... here, convert it to C.
+	* gdb.dwarf2/dw2-ranges3.S: Rename to ...
+	* gdb.dwarf2/dw2-ranges3.c: ... here, convert it to C.
+
 2011-02-24  Michael Snyder  <msnyder@vmware.com>
 
 	* gdb.base/break.exp: Remove debugging 'printf' accidentally

gdb/testsuite/gdb.dwarf2/dw2-ranges.S

@@ -1,46 +0,0 @@
-/*
-   Copyright 2007, 2008, 2009, 2010, 2011 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/>.
- */
-
-/* Despite the sections below will be adjacent the assembler has to produce
-   DW_AT_ranges as the linker could place both sections at arbitrary locations.
-   */
-
-	/* Such directive is required by GAS for builds without `-g'.  */
-	.file	1 "dw2-ranges.S"
-
-	/* Without this directive GAS will not emit DWARF2 unless we provide an
-	   instruction to assemble.  We want to avoid any instructions to
-	   remain architecture independent.  */
-	.loc_mark_labels	1
-
-	.text
-
-	.globl	main
-	.func	main
-main:	.int	0
-	.endfunc
-	.size	main, . - main
-
-	/* `.fini' section is here to make sure `dw2-ranges.S'
-	   vs. `dw2-ranges2.S' overlap their DW_AT_ranges with each other.  */
-	.section	.fini, "ax", @progbits
-
-	.globl	func
-	.func	func
-func:	.int	0
-	.endfunc
-	.size	func, . - func

gdb/testsuite/gdb.dwarf2/dw2-ranges.c

@@ -19,18 +19,16 @@
    DW_AT_ranges as the linker could place both sections at arbitrary locations.
    */
 
-	/* Such directive is required by GAS for builds without `-g'.  */
+/* `.fini' section is here to make sure `dw2-ranges.c'
-	.file	1 "dw2-ranges3.S"
+   vs. `dw2-ranges2.c' overlap their DW_AT_ranges with each other.  */
 
-	/* Without this directive GAS will not emit DWARF2 unless we provide an
+void __attribute__ ((section (".fini")))
-	   instruction to assemble.  We want to avoid any instructions to
+func (void)
-	   remain architecture independent.  */
+{
-	.loc_mark_labels	1
+}
 
-	.text
+int
-
+main (void)
-	.globl	main3
+{
-	.func	main3
+  return 0;
-main3:	.int	0
+}
-	.endfunc
-	.size	main3, . - main3

gdb/testsuite/gdb.dwarf2/dw2-ranges.exp

@@ -23,24 +23,47 @@ if {![dwarf2_support]} {
     return 0  
 }
 
+# The .c files use __attribute__.
+if [get_compiler_info unused] {
+    return -1;
+}
+if !$gcc_compiled {
+    verbose "Skipping DW_AT_ranges test."
+    return 0  
+}
+
 set testfile "dw2-ranges"
-set srcfile ${testfile}.S
+set srcfile ${testfile}.c
-set srcfile2 ${testfile}2.S
+set srcfile2 ${testfile}2.c
-set srcfile3 ${testfile}3.S
+set srcfile3 ${testfile}3.c
+set asmfile ${objdir}/${subdir}/${testfile}.s
+set asmfile2 ${objdir}/${subdir}/${testfile}2.s
+set asmfile3 ${objdir}/${subdir}/${testfile}3.s
 set objfile ${objdir}/${subdir}/${testfile}.o
 set objfile2 ${objdir}/${subdir}/${testfile}2.o
 set objfile3 ${objdir}/${subdir}/${testfile}3.o
 set binfile ${objdir}/${subdir}/${testfile}
 
-if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } {
+# Generate .s without debug info but provide debug info by the assembler.
+# This way we get DW_TAG_compile_unit DIE and only that DIE.
+
+if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${asmfile}" assembly {}] != ""
+    || [gdb_compile "${asmfile}" "${objfile}" object {additional_flags=-gdwarf-2}] != "" } {
     return -1
 }
-if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } {
+if {[gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${asmfile2}" assembly {}] != ""
+    || [gdb_compile "${asmfile2}" "${objfile2}" object {additional_flags=-gdwarf-2}] != "" } {
     return -1
 }
-if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } {
+
+# STABS compilation is intentional as it tests the STABS lookup where is no
+# partial_symtab->psymtabs_addrmap supported for that CU (Compilation Unit) in
+# a file containing psymtabs_addrmap-supporting DWARF CUs.
+if {[gdb_compile "${srcdir}/${subdir}/${srcfile3}" "${asmfile3}" assembly {}] != ""
+    || [gdb_compile "${asmfile3}" "${objfile3}" object {additional_flags=-gstabs}] != "" } {
     return -1
 }
+
 if {[gdb_compile "${objfile} ${objfile2} ${objfile3}" "${binfile}" executable {}] != "" } {
     return -1
 }
@@ -62,4 +85,13 @@ gdb_test "info line main" "Line \[0-9\]* of .* starts at address .* and ends at
 gdb_test "info line func" "Line \[0-9\]* of .* starts at address .* and ends at .*"
 gdb_test "info line main2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
 gdb_test "info line func2" "Line \[0-9\]* of .* starts at address .* and ends at .*"
-gdb_test "info line main3" "Line \[0-9\]* of .* starts at address .* and ends at .*"
+
+set test "info line main3"
+gdb_test_multiple $test $test {
+    -re "Line \[0-9\]* of .* starts at address .* and ends at .*\r\n$gdb_prompt $" {
+	pass $test
+    }
+    -re "Line \[0-9\]* of .* is at address .* but contains no code\\.\r\n$gdb_prompt $" {
+	kfail symtab/12497 $test
+    }
+}

gdb/testsuite/gdb.dwarf2/dw2-ranges2.c

@@ -19,28 +19,15 @@
    DW_AT_ranges as the linker could place both sections at arbitrary locations.
    */
 
-	/* Such directive is required by GAS for builds without `-g'.  */
+/* `.fini' section is here to make sure `dw2-ranges.c'
-	.file	1 "dw2-ranges2.S"
+   vs. `dw2-ranges2.c' overlap their DW_AT_ranges with each other.  */
 
-	/* Without this directive GAS will not emit DWARF2 unless we provide an
+void __attribute__ ((section (".fini")))
-	   instruction to assemble.  We want to avoid any instructions to
+func2 (void)
-	   remain architecture independent.  */
+{
-	.loc_mark_labels	1
+}
 
-	.text
+void
-
+main2 (void)
-	.globl	main2
+{
-	.func	main2
+}
-main2:	.int	0
-	.endfunc
-	.size	main2, . - main2
-
-	/* `.fini' section is here to make sure `dw2-ranges.S'
-	   vs. `dw2-ranges2.S' overlap their DW_AT_ranges with each other.  */
-	.section	.fini, "ax", @progbits
-
-	.globl	func2
-	.func	func2
-func2:	.int	0
-	.endfunc
-	.size	func2, . - func2

gdb/testsuite/gdb.dwarf2/dw2-ranges3.c

@@ -0,0 +1,21 @@
+/*
+   Copyright 2007, 2008, 2009, 2010, 2011 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/>.
+ */
+
+void
+main3 (void)
+{
+}