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-rw-r--r--gdb/testsuite/ChangeLog7
-rw-r--r--gdb/testsuite/gdb.dwarf2/dw2-dup-frame.S540
-rw-r--r--gdb/testsuite/gdb.dwarf2/dw2-dup-frame.c36
-rw-r--r--gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp44
4 files changed, 627 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 58d2bc7..0135ece 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2013-11-22 Pedro Alves <palves@redhat.com>
+
+ PR 16155
+ * gdb.dwarf2/dw2-dup-frame.S: New file.
+ * gdb.dwarf2/dw2-dup-frame.c: New file.
+ * gdb.dwarf2/dw2-dup-frame.exp: New file.
+
2013-11-22 Yao Qi <yao@codesourcery.com>
* lib/mi-support.exp (mi_create_dynamic_varobj): Update
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.S b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.S
new file mode 100644
index 0000000..4c3bd76
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.S
@@ -0,0 +1,540 @@
+/*
+ Copyright 2013 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/>. */
+
+ /* The FDE entry for "stop_frame" in the .debug_frame section has
+ been hand modified to mark a set of registers as DW_CFA_same_value.
+ Otherwise this file is as generated by gcc 4.7.2 for x86_64. */
+ .file "dw2-dup-frame.c"
+ .text
+.Ltext0:
+ .globl stop_frame
+ .type stop_frame, @function
+stop_frame:
+.LFB0:
+ .file 1 "dw2-dup-frame.c"
+ .loc 1 19 0
+ pushq %rbp
+.LCFI0:
+ movq %rsp, %rbp
+.LCFI1:
+ .loc 1 22 0
+ popq %rbp
+.LCFI2:
+ ret
+.LFE0:
+ .size stop_frame, .-stop_frame
+ .globl first_frame
+ .type first_frame, @function
+first_frame:
+.LFB1:
+ .loc 1 26 0
+ pushq %rbp
+.LCFI3:
+ movq %rsp, %rbp
+.LCFI4:
+ .loc 1 27 0
+ movl $0, %eax
+ call stop_frame
+ .loc 1 28 0
+ popq %rbp
+.LCFI5:
+ ret
+.LFE1:
+ .size first_frame, .-first_frame
+ .globl main
+ .type main, @function
+main:
+.LFB2:
+ .loc 1 32 0
+ pushq %rbp
+.LCFI6:
+ movq %rsp, %rbp
+.LCFI7:
+ .loc 1 33 0
+ movl $0, %eax
+ call first_frame
+ .loc 1 35 0
+ movl $0, %eax
+ .loc 1 36 0
+ popq %rbp
+.LCFI8:
+ ret
+.LFE2:
+ .size main, .-main
+ .section .debug_frame,"",@progbits
+.Lframe0:
+ .long .LECIE0-.LSCIE0
+.LSCIE0:
+ .long 0xffffffff
+ .byte 0x1
+ .string ""
+ .uleb128 0x1
+ .sleb128 -8
+ .byte 0x10
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .byte 0x90
+ .uleb128 0x1
+ .align 8
+.LECIE0:
+ /* This FDE entry, for stop_frame was modified to mark
+ registers 0 -> 16 (rax..ra/rip) as being DW_CFA_same_value. */
+.LSFDE0:
+ .long .LEFDE0-.LASFDE0
+.LASFDE0:
+ .long .Lframe0
+ .quad .LFB0
+ .quad .LFE0-.LFB0
+
+ /* START OF NEW CONTENT. */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x0 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x1 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x2 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x3 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x4 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x5 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x6 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x7 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x8 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x9 /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0xa /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0xb /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0xc /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0xd /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0xe /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0xf /* ULEB128 register */
+ .byte 0x8 /* DW_CFA_same_value */
+ .uleb128 0x10 /* ULEB128 register */
+ /* END OF NEW CONTENT. */
+
+ .byte 0x4
+ .long .LCFI0-.LFB0
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI1-.LCFI0
+ .byte 0xd
+ .uleb128 0x6
+ .byte 0x4
+ .long .LCFI2-.LCFI1
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .align 8
+.LEFDE0:
+.LSFDE2:
+ .long .LEFDE2-.LASFDE2
+.LASFDE2:
+ .long .Lframe0
+ .quad .LFB1
+ .quad .LFE1-.LFB1
+ .byte 0x4
+ .long .LCFI3-.LFB1
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI4-.LCFI3
+ .byte 0xd
+ .uleb128 0x6
+ .byte 0x4
+ .long .LCFI5-.LCFI4
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .align 8
+.LEFDE2:
+.LSFDE4:
+ .long .LEFDE4-.LASFDE4
+.LASFDE4:
+ .long .Lframe0
+ .quad .LFB2
+ .quad .LFE2-.LFB2
+ .byte 0x4
+ .long .LCFI6-.LFB2
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI7-.LCFI6
+ .byte 0xd
+ .uleb128 0x6
+ .byte 0x4
+ .long .LCFI8-.LCFI7
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .align 8
+.LEFDE4:
+ .section .eh_frame,"a",@progbits
+.Lframe1:
+ .long .LECIE1-.LSCIE1
+.LSCIE1:
+ .long 0
+ .byte 0x1
+ .string "zR"
+ .uleb128 0x1
+ .sleb128 -8
+ .byte 0x10
+ .uleb128 0x1
+ .byte 0x3
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .byte 0x90
+ .uleb128 0x1
+ .align 8
+.LECIE1:
+.LSFDE7:
+ .long .LEFDE7-.LASFDE7
+.LASFDE7:
+ .long .LASFDE7-.Lframe1
+ .long .LFB0
+ .long .LFE0-.LFB0
+ .uleb128 0
+ .byte 0x4
+ .long .LCFI0-.LFB0
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI1-.LCFI0
+ .byte 0xd
+ .uleb128 0x6
+ .byte 0x4
+ .long .LCFI2-.LCFI1
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .align 8
+.LEFDE7:
+.LSFDE9:
+ .long .LEFDE9-.LASFDE9
+.LASFDE9:
+ .long .LASFDE9-.Lframe1
+ .long .LFB1
+ .long .LFE1-.LFB1
+ .uleb128 0
+ .byte 0x4
+ .long .LCFI3-.LFB1
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI4-.LCFI3
+ .byte 0xd
+ .uleb128 0x6
+ .byte 0x4
+ .long .LCFI5-.LCFI4
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .align 8
+.LEFDE9:
+.LSFDE11:
+ .long .LEFDE11-.LASFDE11
+.LASFDE11:
+ .long .LASFDE11-.Lframe1
+ .long .LFB2
+ .long .LFE2-.LFB2
+ .uleb128 0
+ .byte 0x4
+ .long .LCFI6-.LFB2
+ .byte 0xe
+ .uleb128 0x10
+ .byte 0x86
+ .uleb128 0x2
+ .byte 0x4
+ .long .LCFI7-.LCFI6
+ .byte 0xd
+ .uleb128 0x6
+ .byte 0x4
+ .long .LCFI8-.LCFI7
+ .byte 0xc
+ .uleb128 0x7
+ .uleb128 0x8
+ .align 8
+.LEFDE11:
+ .text
+.Letext0:
+ .section .debug_info,"",@progbits
+.Ldebug_info0:
+ .long 0x8c
+ .value 0x2
+ .long .Ldebug_abbrev0
+ .byte 0x8
+ .uleb128 0x1
+ .long .LASF2
+ .byte 0x1
+ .long .LASF3
+ .long .LASF4
+ .quad .Ltext0
+ .quad .Letext0
+ .long .Ldebug_line0
+ .uleb128 0x2
+ .byte 0x1
+ .long .LASF0
+ .byte 0x1
+ .byte 0x12
+ .quad .LFB0
+ .quad .LFE0
+ .long .LLST0
+ .byte 0x1
+ .uleb128 0x3
+ .byte 0x1
+ .long .LASF1
+ .byte 0x1
+ .byte 0x19
+ .quad .LFB1
+ .quad .LFE1
+ .long .LLST1
+ .byte 0x1
+ .uleb128 0x4
+ .byte 0x1
+ .long .LASF5
+ .byte 0x1
+ .byte 0x1f
+ .long 0x88
+ .quad .LFB2
+ .quad .LFE2
+ .long .LLST2
+ .byte 0x1
+ .uleb128 0x5
+ .byte 0x4
+ .byte 0x5
+ .string "int"
+ .byte 0
+ .section .debug_abbrev,"",@progbits
+.Ldebug_abbrev0:
+ .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 0
+ .byte 0
+ .uleb128 0x2
+ .uleb128 0x2e
+ .byte 0
+ .uleb128 0x3f
+ .uleb128 0xc
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x11
+ .uleb128 0x1
+ .uleb128 0x12
+ .uleb128 0x1
+ .uleb128 0x40
+ .uleb128 0x6
+ .uleb128 0x2117
+ .uleb128 0xc
+ .byte 0
+ .byte 0
+ .uleb128 0x3
+ .uleb128 0x2e
+ .byte 0
+ .uleb128 0x3f
+ .uleb128 0xc
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x11
+ .uleb128 0x1
+ .uleb128 0x12
+ .uleb128 0x1
+ .uleb128 0x40
+ .uleb128 0x6
+ .uleb128 0x2116
+ .uleb128 0xc
+ .byte 0
+ .byte 0
+ .uleb128 0x4
+ .uleb128 0x2e
+ .byte 0
+ .uleb128 0x3f
+ .uleb128 0xc
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x49
+ .uleb128 0x13
+ .uleb128 0x11
+ .uleb128 0x1
+ .uleb128 0x12
+ .uleb128 0x1
+ .uleb128 0x40
+ .uleb128 0x6
+ .uleb128 0x2116
+ .uleb128 0xc
+ .byte 0
+ .byte 0
+ .uleb128 0x5
+ .uleb128 0x24
+ .byte 0
+ .uleb128 0xb
+ .uleb128 0xb
+ .uleb128 0x3e
+ .uleb128 0xb
+ .uleb128 0x3
+ .uleb128 0x8
+ .byte 0
+ .byte 0
+ .byte 0
+ .section .debug_loc,"",@progbits
+.Ldebug_loc0:
+.LLST0:
+ .quad .LFB0-.Ltext0
+ .quad .LCFI0-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 8
+ .quad .LCFI0-.Ltext0
+ .quad .LCFI1-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 16
+ .quad .LCFI1-.Ltext0
+ .quad .LCFI2-.Ltext0
+ .value 0x2
+ .byte 0x76
+ .sleb128 16
+ .quad .LCFI2-.Ltext0
+ .quad .LFE0-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 8
+ .quad 0
+ .quad 0
+.LLST1:
+ .quad .LFB1-.Ltext0
+ .quad .LCFI3-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 8
+ .quad .LCFI3-.Ltext0
+ .quad .LCFI4-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 16
+ .quad .LCFI4-.Ltext0
+ .quad .LCFI5-.Ltext0
+ .value 0x2
+ .byte 0x76
+ .sleb128 16
+ .quad .LCFI5-.Ltext0
+ .quad .LFE1-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 8
+ .quad 0
+ .quad 0
+.LLST2:
+ .quad .LFB2-.Ltext0
+ .quad .LCFI6-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 8
+ .quad .LCFI6-.Ltext0
+ .quad .LCFI7-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 16
+ .quad .LCFI7-.Ltext0
+ .quad .LCFI8-.Ltext0
+ .value 0x2
+ .byte 0x76
+ .sleb128 16
+ .quad .LCFI8-.Ltext0
+ .quad .LFE2-.Ltext0
+ .value 0x2
+ .byte 0x77
+ .sleb128 8
+ .quad 0
+ .quad 0
+ .section .debug_aranges,"",@progbits
+ .long 0x2c
+ .value 0x2
+ .long .Ldebug_info0
+ .byte 0x8
+ .byte 0
+ .value 0
+ .value 0
+ .quad .Ltext0
+ .quad .Letext0-.Ltext0
+ .quad 0
+ .quad 0
+ .section .debug_line,"",@progbits
+.Ldebug_line0:
+ .section .debug_str,"MS",@progbits,1
+.LASF0:
+ .string "stop_frame"
+.LASF3:
+ .string "dw2-reg-undefined.c"
+.LASF2:
+ .string "GNU C 4.7.2"
+.LASF1:
+ .string "first_frame"
+.LASF5:
+ .string "main"
+.LASF4:
+ .string "/home/username/src/gdb/testsuite/gdb.dwarf2"
+ .ident "GCC: (GNU) 4.7.2"
+ .section .note.GNU-stack,"",@progbits
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.c b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.c
new file mode 100644
index 0000000..4868d05
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.c
@@ -0,0 +1,36 @@
+/*
+ Copyright 2013 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
+stop_frame ()
+{
+ /* The debug information for this frame is modified in the accompanying
+ .S file, to mark a set of registers as being DW_CFA_same_value. */
+}
+
+void
+first_frame ()
+{
+ stop_frame ();
+}
+
+int
+main ()
+{
+ first_frame ();
+
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp
new file mode 100644
index 0000000..a57ab8a
--- /dev/null
+++ b/gdb/testsuite/gdb.dwarf2/dw2-dup-frame.exp
@@ -0,0 +1,44 @@
+# Copyright 2013 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/>.
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+if {![dwarf2_support]} {
+ return 0
+}
+
+# This test can only be run on x86_64 targets.
+if {![istarget "x86_64-*-*"] || ![is_lp64_target]} {
+ return 0
+}
+
+standard_testfile .S
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile {nodebug}] } {
+ return -1
+}
+
+if ![runto stop_frame] {
+ perror "Failed to stop in stop_frame"
+ return -1
+}
+
+gdb_test "bt" \
+ "#0 stop_frame \[^\r\n\]*\r\nBacktrace stopped: previous frame identical to this frame \\(corrupt stack\\?\\)" \
+ "backtrace from stop_frame"
+
+gdb_test "up" \
+ "Initial frame selected; you cannot go up\\\." \
+ "up from stop_frame"
generated by cgit v1.1 at 2024-12-21 03:09:55 +0000