2006-12-30 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.arch/i386-gnu-cfi.exp, gdb.arch/i386-gnu-cfi.c,
gdb.arch/i386-gnu-cfi-asm.S: New files.
Index: ./gdb/testsuite/gdb.arch/i386-gnu-cfi-asm.S
===================================================================
RCS file: ./gdb/testsuite/gdb.arch/i386-gnu-cfi-asm.S
diff -N ./gdb/testsuite/gdb.arch/i386-gnu-cfi-asm.S
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ ./gdb/testsuite/gdb.arch/i386-gnu-cfi-asm.S 30 Dec 2006 18:25:02 -0000
@@ -0,0 +1,357 @@
+/* Copyright 2006 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * Please email any bugs, comments, and/or additions to this file to:
+ * bug-gdb@gnu.org
+ *
+ * This file is part of the gdb testsuite.
+ *
+ * It was generated using
+ * "gcc -g -O9 -S -o gate.s gate.c -fasynchronous-unwind-tables",
+ * using the following source file:
+ *
+ *
+ * void *gate (void *(*gate) (void *data), void *data)
+ * {
+ * return 1 + (*gate) (data);
+ * }
+ *
+ * Changes are marked as `CHANGE' below.
+ */
+
+ .file "gate.c"
+ .section .debug_abbrev,"",@progbits
+.Ldebug_abbrev0:
+ .section .debug_info,"",@progbits
+.Ldebug_info0:
+ .section .debug_line,"",@progbits
+.Ldebug_line0:
+ .text
+.Ltext0:
+ .p2align 4,,15
+.globl gate
+ .type gate, @function
+gate:
+.LFB2:
+ .file 1 "gate.c"
+ .loc 1 2 0
+.LVL0:
+ pushl %ebp
+.LCFI0:
+ movl %esp, %ebp
+.LCFI1:
+ subl $8, %esp
+.LCFI2:
+ .loc 1 3 0
+ movl 12(%ebp), %eax
+ movl %eax, (%esp)
+ call *8(%ebp)
+ .loc 1 4 0
+ leave
+ .loc 1 3 0
+ addl $1, %eax
+ .loc 1 4 0
+ ret
+.LFE2:
+ .size gate, .-gate
+ .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 0xe
+ .uleb128 0x8
+ .byte 0x85
+ .uleb128 0x2
+
+ /* CHANGE */
+ .byte 0x2f
+ .uleb128 0x1
+ .uleb128 0x0
+ /* CHANGE */
+
+ .byte 0x4
+ .long .LCFI1-.LCFI0
+ .byte 0xd
+ .uleb128 0x5
+ .align 4
+.LEFDE0:
+ .section .eh_frame,"a",@progbits
+.Lframe1:
+ .long .LECIE1-.LSCIE1
+.LSCIE1:
+ .long 0x0
+ .byte 0x1
+ .string ""
+ .uleb128 0x1
+ .sleb128 -4
+ .byte 0x8
+ .byte 0xc
+ .uleb128 0x4
+ .uleb128 0x4
+ .byte 0x88
+ .uleb128 0x1
+ .align 4
+.LECIE1:
+.LSFDE1:
+ .long .LEFDE1-.LASFDE1
+.LASFDE1:
+ .long .LASFDE1-.Lframe1
+ .long .LFB2
+ .long .LFE2-.LFB2
+ .byte 0x4
+ .long .LCFI0-.LFB2
+ .byte 0xe
+ .uleb128 0x8
+ .byte 0x85
+ .uleb128 0x2
+
+ /* CHANGE */
+ .byte 0x2f
+ .uleb128 0x1
+ .uleb128 0x0
+ /* CHANGE */
+
+ .byte 0x4
+ .long .LCFI1-.LCFI0
+ .byte 0xd
+ .uleb128 0x5
+ .align 4
+.LEFDE1:
+ .text
+.Letext0:
+ .section .debug_loc,"",@progbits
+.Ldebug_loc0:
+.LLST0:
+ .long .LFB2-.Ltext0
+ .long .LCFI0-.Ltext0
+ .value 0x2
+ .byte 0x74
+ .sleb128 4
+ .long .LCFI0-.Ltext0
+ .long .LCFI1-.Ltext0
+ .value 0x2
+ .byte 0x74
+ .sleb128 8
+ .long .LCFI1-.Ltext0
+ .long .LFE2-.Ltext0
+ .value 0x2
+ .byte 0x75
+ .sleb128 8
+ .long 0x0
+ .long 0x0
+ .section .debug_info
+ .long 0x74
+ .value 0x2
+ .long .Ldebug_abbrev0
+ .byte 0x4
+ .uleb128 0x1
+ .long .Ldebug_line0
+ .long .Letext0
+ .long .Ltext0
+ .long .LASF2
+ .byte 0x1
+ .long .LASF3
+ .long .LASF4
+ .uleb128 0x2
+ .long 0x5f
+ .byte 0x1
+ .long .LASF0
+ .byte 0x1
+ .byte 0x2
+ .byte 0x1
+ .long 0x5f
+ .long .LFB2
+ .long .LFE2
+ .long .LLST0
+ .uleb128 0x3
+ .long .LASF0
+ .byte 0x1
+ .byte 0x1
+ .long 0x71
+ .byte 0x2
+ .byte 0x91
+ .sleb128 0
+ .uleb128 0x3
+ .long .LASF1
+ .byte 0x1
+ .byte 0x1
+ .long 0x5f
+ .byte 0x2
+ .byte 0x91
+ .sleb128 4
+ .byte 0x0
+ .uleb128 0x4
+ .byte 0x4
+ .uleb128 0x5
+ .long 0x71
+ .byte 0x1
+ .long 0x5f
+ .uleb128 0x6
+ .long 0x5f
+ .byte 0x0
+ .uleb128 0x7
+ .byte 0x4
+ .long 0x61
+ .byte 0x0
+ .section .debug_abbrev
+ .uleb128 0x1
+ .uleb128 0x11
+ .byte 0x1
+ .uleb128 0x10
+ .uleb128 0x6
+ .uleb128 0x12
+ .uleb128 0x1
+ .uleb128 0x11
+ .uleb128 0x1
+ .uleb128 0x25
+ .uleb128 0xe
+ .uleb128 0x13
+ .uleb128 0xb
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x1b
+ .uleb128 0xe
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x2
+ .uleb128 0x2e
+ .byte 0x1
+ .uleb128 0x1
+ .uleb128 0x13
+ .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
+ .uleb128 0x40
+ .uleb128 0x6
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x3
+ .uleb128 0x5
+ .byte 0x0
+ .uleb128 0x3
+ .uleb128 0xe
+ .uleb128 0x3a
+ .uleb128 0xb
+ .uleb128 0x3b
+ .uleb128 0xb
+ .uleb128 0x49
+ .uleb128 0x13
+ .uleb128 0x2
+ .uleb128 0xa
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x4
+ .uleb128 0xf
+ .byte 0x0
+ .uleb128 0xb
+ .uleb128 0xb
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x5
+ .uleb128 0x15
+ .byte 0x1
+ .uleb128 0x1
+ .uleb128 0x13
+ .uleb128 0x27
+ .uleb128 0xc
+ .uleb128 0x49
+ .uleb128 0x13
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x6
+ .uleb128 0x5
+ .byte 0x0
+ .uleb128 0x49
+ .uleb128 0x13
+ .byte 0x0
+ .byte 0x0
+ .uleb128 0x7
+ .uleb128 0xf
+ .byte 0x0
+ .uleb128 0xb
+ .uleb128 0xb
+ .uleb128 0x49
+ .uleb128 0x13
+ .byte 0x0
+ .byte 0x0
+ .byte 0x0
+ .section .debug_pubnames,"",@progbits
+ .long 0x17
+ .value 0x2
+ .long .Ldebug_info0
+ .long 0x78
+ .long 0x25
+ .string "gate"
+ .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
+.LASF1:
+ .string "data"
+.LASF0:
+ .string "gate"
+.LASF3:
+ .string "gate.c"
+.LASF4:
+ .string "/home/jkratoch/redhat/bz165025"
+.LASF2:
+ .string "GNU C 4.1.1 20061213 (Red Hat 4.1.1-46)"
+ .ident "GCC: (GNU) 4.1.1 20061213 (Red Hat 4.1.1-46)"
+ .section .note.GNU-stack,"",@progbits
Index: ./gdb/testsuite/gdb.arch/i386-gnu-cfi.c
===================================================================
RCS file: ./gdb/testsuite/gdb.arch/i386-gnu-cfi.c
diff -N ./gdb/testsuite/gdb.arch/i386-gnu-cfi.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ ./gdb/testsuite/gdb.arch/i386-gnu-cfi.c 30 Dec 2006 18:25:02 -0000
@@ -0,0 +1,31 @@
+/* Unwinding of DW_CFA_GNU_negative_offset_extended test program.
+
+ Copyright 2006, Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ 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 2 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stdlib.h>
+
+/* i386-gnu-cfi-asm.S: */
+extern void *gate (void *(*gate) (void *data), void *data);
+
+int main (void)
+{
+ gate ((void *(*) (void *data)) abort, NULL);
+ return 0;
+}
Index: ./gdb/testsuite/gdb.arch/i386-gnu-cfi.exp
===================================================================
RCS file: ./gdb/testsuite/gdb.arch/i386-gnu-cfi.exp
diff -N ./gdb/testsuite/gdb.arch/i386-gnu-cfi.exp
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ ./gdb/testsuite/gdb.arch/i386-gnu-cfi.exp 30 Dec 2006 18:25:02 -0000
@@ -0,0 +1,94 @@
+# Copyright 2006 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# Please email any bugs, comments, and/or additions to this file to:
+# bug-gdb@gnu.org
+
+# This file is part of the gdb testsuite.
+
+# Unwinding of DW_CFA_GNU_negative_offset_extended test program.
+
+if $tracelevel {
+ strace $tracelevel
+}
+
+# Test i386 unwinder.
+
+set prms_id 0
+set bug_id 0
+
+if ![istarget "i?86-*-*"] then {
+ verbose "Skipping i386 unwinder tests."
+ return
+}
+
+set testfile "i386-gnu-cfi"
+set srcfilec ${testfile}.c
+set srcfileasm ${testfile}-asm.S
+set binfile ${objdir}/${subdir}/${testfile}
+
+# some targets have leading underscores on assembly symbols.
+# TODO: detect this automatically
+set additional_flags ""
+if [istarget "i?86-*-cygwin*"] then {
+ set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\""
+}
+
+if { [gdb_compile "${srcdir}/${subdir}/${srcfilec} ${srcdir}/${subdir}/${srcfileasm}" "${binfile}" executable [list debug $additional_flags]] != "" } {
+ untested i386-gnu-cfi.exp
+ return -1
+}
+
+# Get things started.
+
+gdb_exit
+gdb_start
+gdb_reinitialize_dir $srcdir/$subdir
+gdb_load ${binfile}
+
+# We should stop in abort(3).
+
+gdb_test "run" \
+ "Program received signal SIGABRT,.*" \
+ "run"
+
+# Backtrace would crash before.
+
+gdb_test "bt" \
+ "main \\(\\) at .*${testfile}.c.*" \
+ "backtrace"
+
+# Check we see the inserted `DW_CFA_GNU_negative_offset_extended' CFI.
+# We see there the original CFI-stored filename `gate.c'.
+
+gdb_test "up 3" \
+ "gate \\(\[^()\]*\\) at .*gate.c.*" \
+ "shift up to the modified frame"
+
+send_gdb "info frame\n";
+gdb_expect {
+ -re "Stack level 3, frame at (0x\[0-9a-f\]+):.*Saved registers:.* ecx at (0x\[0-9a-f\]+),.*" {
+ pass "Value of the CFI inserted register"
+ if { [string compare $expect_out(1,string) $expect_out(2,string)] } then {
+ fail "Value of the CFI inserted register"
+ } else {
+ pass "Value of the CFI inserted register"
+ }
+ }
+ default {
+ fail "Existence of the CFI inserted register"
+ }
+}