* dw2-ref-missing-frame.S, dw2-ref-missing-frame.exp: New files.

2 files changed, 363 insertions, 0 deletions

diff --git a/gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.S b/gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.S
new file mode 100644
index 0000000..058fe55
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.S
@@ -0,0 +1,301 @@
+	.file	"ref-missing-frame.c"
+	.section	.debug_abbrev,"",@progbits
+.Ldebug_abbrev0:
+	.section	.debug_info,"",@progbits
+.Ldebug_info0:
+	.section	.debug_line,"",@progbits
+.Ldebug_line0:
+	.text
+.Ltext0:
+.globl main
+	.type	main, @function
+main:
+.LFB2:
+	.file 1 "ref-missing-frame.c"
+	.loc 1 3 0
+	leal	4(%esp), %ecx
+.LCFI0:
+	andl	$-16, %esp
+	pushl	-4(%ecx)
+.LCFI1:
+	pushl	%ebp
+.LCFI2:
+	movl	%esp, %ebp
+.LCFI3:
+	pushl	%ecx
+.LCFI4:
+	subl	$16, %esp
+.LCFI5:
+	.loc 1 6 0
+	movl	$0, %eax
+	.loc 1 7 0
+	addl	$16, %esp
+	popl	%ecx
+	popl	%ebp
+	leal	-4(%ecx), %esp
+	ret
+.LFE2:
+	.size	main, .-main
+	.section	.debug_frame,"",@progbits
+.Lframe0:
+	.long	.LECIE0-.LSCIE0
+.LSCIE0:
+	.long	0xffffffff
+	.byte	0x1
+	.string	""
+	.uleb128 0x1
+	.sleb128 -4
+	.byte	0x8
+	.byte	0xc
+	.uleb128 0x4
+	.uleb128 0x4
+	.byte	0x88
+	.uleb128 0x1
+	.align 4
+.LECIE0:
+.LSFDE0:
+	.long	.LEFDE0-.LASFDE0
+.LASFDE0:
+	.long	.Lframe0
+	.long	.LFB2
+	.long	.LFE2-.LFB2
+	.byte	0x4
+	.long	.LCFI0-.LFB2
+	.byte	0xc
+	.uleb128 0x1
+	.uleb128 0x0
+	.byte	0x9
+	.uleb128 0x4
+	.uleb128 0x1
+	.byte	0x4
+	.long	.LCFI1-.LCFI0
+	.byte	0xc
+	.uleb128 0x4
+	.uleb128 0x4
+	.byte	0x4
+	.long	.LCFI2-.LCFI1
+	.byte	0xe
+	.uleb128 0x8
+	.byte	0x85
+	.uleb128 0x2
+	.byte	0x4
+	.long	.LCFI3-.LCFI2
+	.byte	0xd
+	.uleb128 0x5
+	.byte	0x4
+	.long	.LCFI4-.LCFI3
+	.byte	0x84
+	.uleb128 0x3
+	.align 4
+.LEFDE0:
+	.text
+.Letext0:
+	.section	.debug_loc,"",@progbits
+.Ldebug_loc0:
+.LLST0:
+	.long	.LFB2-.Ltext0
+	.long	.LCFI0-.Ltext0
+	.value	0x2
+#if 0
+	.byte	0x74
+#else
+	/* DW_OP_fbreg.  */
+	.byte	0x91
+#endif
+	.sleb128 4
+	.long	.LCFI0-.Ltext0
+	.long	.LCFI1-.Ltext0
+	.value	0x2
+#if 0
+	.byte	0x74
+#else
+	/* DW_OP_fbreg.  */
+	.byte	0x91
+#endif
+	.sleb128 4
+	.long	.LCFI1-.Ltext0
+	.long	.LCFI2-.Ltext0
+	.value	0x2
+#if 0
+	.byte	0x74
+#else
+	/* DW_OP_fbreg.  */
+	.byte	0x91
+#endif
+	.sleb128 4
+	.long	.LCFI2-.Ltext0
+	.long	.LCFI3-.Ltext0
+	.value	0x2
+#if 0
+	.byte	0x74
+#else
+	/* DW_OP_fbreg.  */
+	.byte	0x91
+#endif
+	.sleb128 8
+	.long	.LCFI3-.Ltext0
+	.long	.LFE2-.Ltext0
+	.value	0x2
+#if 0
+	.byte	0x74
+#else
+	/* DW_OP_fbreg.  */
+	.byte	0x91
+#endif
+	.sleb128 8
+	.long	0x0
+	.long	0x0
+	.section	.debug_info
+	.long	0x5a
+	.value	0x2
+	.long	.Ldebug_abbrev0
+	.byte	0x4
+	.uleb128 0x1
+	.long	.LASF0
+	.byte	0x1
+	.long	.LASF1
+	.long	.LASF2
+	.long	.Ltext0
+	.long	.Letext0
+	.long	.Ldebug_line0
+	.uleb128 0x2
+	.byte	0x1
+	.long	.LASF3
+	.byte	0x1
+	.byte	0x3
+	.byte	0x1
+	.long	0x51
+	.long	.LFB2
+	.long	.LFE2
+	.long	.LLST0	/* DW_AT_frame_base */
+	.long	0x51
+	.uleb128 0x3
+	.string	"var"
+	.byte	0x1
+	.byte	0x4
+	.long	0x58
+	.byte	0x2
+	.byte	0x91
+	.sleb128 -16
+	.byte	0x0
+	.uleb128 0x4
+	.byte	0x4
+	.byte	0x5
+	.string	"int"
+	.uleb128 0x5
+	.long	0x51
+	.byte	0x0
+	.section	.debug_abbrev
+	.uleb128 0x1
+	.uleb128 0x11
+	.byte	0x1
+	.uleb128 0x25
+	.uleb128 0xe
+	.uleb128 0x13
+	.uleb128 0xb
+	.uleb128 0x3
+	.uleb128 0xe
+	.uleb128 0x1b
+	.uleb128 0xe
+	.uleb128 0x11
+	.uleb128 0x1
+	.uleb128 0x12
+	.uleb128 0x1
+	.uleb128 0x10
+	.uleb128 0x6
+	.byte	0x0
+	.byte	0x0
+	.uleb128 0x2
+	.uleb128 0x2e
+	.byte	0x1
+	.uleb128 0x3f
+	.uleb128 0xc
+	.uleb128 0x3
+	.uleb128 0xe
+	.uleb128 0x3a
+	.uleb128 0xb
+	.uleb128 0x3b
+	.uleb128 0xb
+	.uleb128 0x27
+	.uleb128 0xc
+	.uleb128 0x49
+	.uleb128 0x13
+	.uleb128 0x11
+	.uleb128 0x1
+	.uleb128 0x12
+	.uleb128 0x1
+#ifndef NO_FRAME_BASE
+	.uleb128 0x40 /* DW_AT_frame_base */
+#else
+	.uleb128 0x38 /* DW_AT_data_member_location */
+#endif
+	.uleb128 0x6
+	.uleb128 0x1
+	.uleb128 0x13
+	.byte	0x0
+	.byte	0x0
+	.uleb128 0x3
+	.uleb128 0x34
+	.byte	0x0
+	.uleb128 0x3
+	.uleb128 0x8
+	.uleb128 0x3a
+	.uleb128 0xb
+	.uleb128 0x3b
+	.uleb128 0xb
+	.uleb128 0x49
+	.uleb128 0x13
+	.uleb128 0x2
+	.uleb128 0xa
+	.byte	0x0
+	.byte	0x0
+	.uleb128 0x4
+	.uleb128 0x24
+	.byte	0x0
+	.uleb128 0xb
+	.uleb128 0xb
+	.uleb128 0x3e
+	.uleb128 0xb
+	.uleb128 0x3
+	.uleb128 0x8
+	.byte	0x0
+	.byte	0x0
+	.uleb128 0x5
+	.uleb128 0x35
+	.byte	0x0
+	.uleb128 0x49
+	.uleb128 0x13
+	.byte	0x0
+	.byte	0x0
+	.byte	0x0
+	.section	.debug_pubnames,"",@progbits
+	.long	0x17
+	.value	0x2
+	.long	.Ldebug_info0
+	.long	0x5e
+	.long	0x25
+	.string	"main"
+	.long	0x0
+	.section	.debug_aranges,"",@progbits
+	.long	0x1c
+	.value	0x2
+	.long	.Ldebug_info0
+	.byte	0x4
+	.byte	0x0
+	.value	0x0
+	.value	0x0
+	.long	.Ltext0
+	.long	.Letext0-.Ltext0
+	.long	0x0
+	.long	0x0
+	.section	.debug_str,"MS",@progbits,1
+.LASF0:
+	.string	"GNU C 4.3.0 20080416 (Red Hat 4.3.0-7)"
+.LASF2:
+	.string	"/tmp"
+.LASF1:
+	.string	"ref-missing-frame.c"
+.LASF3:
+	.string	"main"
+	.ident	"GCC: (GNU) 4.3.0 20080416 (Red Hat 4.3.0-7)"
+	.section	.note.GNU-stack,"",@progbits
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.exp b/gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.exp
new file mode 100644
index 0000000..876cd8c
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.exp
@@ -0,0 +1,62 @@
+# Copyright 2008 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/>.
+
+# Minimal DWARF-2 unit test
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+# For now pick a sampling of likely targets.
+if {![istarget *-*-linux*]
+    && ![istarget *-*-gnu*]
+    && ![istarget *-*-elf*]
+    && ![istarget *-*-openbsd*]
+    && ![istarget arm-*-eabi*]
+    && ![istarget powerpc-*-eabi*]} {
+    return 0  
+}
+
+if {![istarget "i?86-*-*"]} then {
+    return 0
+}
+
+set testfile "dw2-ref-missing-frame"
+set srcfile ${testfile}.S
+set binfile ${objdir}/${subdir}/${testfile}
+
+# First try referencing DW_AT_frame_base which is not defined.
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list {additional_flags=-DNO_FRAME_BASE}]] != "" } {
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+runto_main
+
+gdb_test "p var" {Could not find the frame base for "main".}
+
+# And now try referencing DW_AT_frame_base defined using a self-reference
+# (DW_OP_fbreg).
+if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
+    return -1
+}
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+runto_main
+
+gdb_test "p var" "DWARF-2 expression error: Loop detected .*"