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* gdb.dwarf2/dw2-ref-missing-frame-main.c: New.
	* gdb.dwarf2/dw2-ref-missing-frame.S: Replace compiler generated output
	by a hand made one.
	* gdb.dwarf2/dw2-ref-missing-frame.exp: Remove invalid comment.  Remove
	i?86 requirement.  Remove variables srcfile and binfile.  New variable
	sources, executable_nofb and executable_fb.  Call prepare_for_testing.
This commit is contained in:
Jan Kratochvil 2010-06-25 15:32:49 +00:00
parent 1b3d1dbfad
commit af76db58d7
4 changed files with 176 additions and 323 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
gdb/testsuite/ChangeLog
View File

@ -1,3 +1,12 @@
2010-06-25 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.dwarf2/dw2-ref-missing-frame-main.c: New.
* gdb.dwarf2/dw2-ref-missing-frame.S: Replace compiler generated output
by a hand made one.
* gdb.dwarf2/dw2-ref-missing-frame.exp: Remove invalid comment. Remove
i?86 requirement. Remove variables srcfile and binfile. New variable
sources, executable_nofb and executable_fb. Call prepare_for_testing.
2010-06-25 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
* gdb.cell/dwarfaddr.exp: New file.

30
gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame-main.c Normal file
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@ -0,0 +1,30 @@
/* This testcase is part of GDB, the GNU debugger.
Copyright 2009, 2010 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/>. */
asm (".globl main_start");
asm ("main_start:");
int
main (void)
{
/* int main_var; */
return 0;
}
asm (".globl main_end");
asm ("main_end:");

425
gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.S
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@ -1,301 +1,128 @@
.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
/* This testcase is part of GDB, the GNU debugger.
Copyright 2007, 2008, 2009, 2010 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/>. */
/* Debug information */
.section .debug_info
.Lcu1_begin:
/* CU header */
.4byte .Lcu1_end - .Lcu1_start /* Length of Compilation Unit */
.Lcu1_start:
.2byte 2 /* DWARF Version */
.4byte .Labbrev1_begin /* Offset into abbrev section */
.byte 4 /* Pointer size */
/* CU die */
.uleb128 1 /* Abbrev: DW_TAG_compile_unit */
.4byte main_end /* DW_AT_high_pc */
.4byte main_start /* DW_AT_low_pc */
.ascii "file1.txt\0" /* DW_AT_name */
.ascii "GNU C 3.3.3\0" /* DW_AT_producer */
.byte 1 /* DW_AT_language (C) */
.Ltype_int:
.uleb128 3 /* Abbrev: DW_TAG_base_type */
.ascii "int\0" /* DW_AT_name */
.byte 4 /* DW_AT_byte_size */
.byte 5 /* DW_AT_encoding */
/* func */
.uleb128 6 /* Abbrev: DW_TAG_subprogram */
.ascii "main\0" /* DW_AT_name */
.4byte main_start /* DW_AT_low_pc */
.4byte main_end /* DW_AT_high_pc */
#ifndef NO_FRAME_BASE
.uleb128 0x40 /* DW_AT_frame_base */
#else
.uleb128 0x38 /* DW_AT_data_member_location */
.byte 2f - 1f /* DW_AT_frame_base */
1: .byte 0x91 /* DW_OP_fbreg */
.sleb128 0 /* 0 */
2:
#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
.uleb128 7 /* Abbrev: DW_TAG_variable (location) */
.ascii "main_var\0" /* DW_AT_name */
.byte 2f - 1f /* DW_AT_location */
1: .byte 0x91 /* DW_OP_fbreg */
.sleb128 0 /* 0 */
2: .4byte .Ltype_int-.Lcu1_begin /* DW_AT_type */
.byte 0 /* End of children of func */
.byte 0 /* End of children of CU */
.Lcu1_end:
/* Abbrev table */
.section .debug_abbrev
.Labbrev1_begin:
.uleb128 1 /* Abbrev code */
.uleb128 0x11 /* DW_TAG_compile_unit */
.byte 1 /* has_children */
.uleb128 0x12 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x11 /* DW_AT_low_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x25 /* DW_AT_producer */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x13 /* DW_AT_language */
.uleb128 0xb /* DW_FORM_data1 */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.uleb128 3 /* Abbrev code */
.uleb128 0x24 /* DW_TAG_base_type */
.byte 0 /* has_children */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0xb /* DW_AT_byte_size */
.uleb128 0xb /* DW_FORM_data1 */
.uleb128 0x3e /* DW_AT_encoding */
.uleb128 0xb /* DW_FORM_data1 */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.uleb128 6 /* Abbrev code */
.uleb128 0x2e /* DW_TAG_subprogram */
.byte 1 /* has_children */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x11 /* DW_AT_low_pc */
.uleb128 0x1 /* DW_FORM_addr */
.uleb128 0x12 /* DW_AT_high_pc */
.uleb128 0x1 /* DW_FORM_addr */
#ifndef NO_FRAME_BASE
.uleb128 0x40 /* DW_AT_frame_base */
.uleb128 0xa /* DW_FORM_block1 */
#endif
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.uleb128 7 /* Abbrev code (location) */
.uleb128 0x34 /* DW_TAG_variable */
.byte 0 /* has_children */
.uleb128 0x3 /* DW_AT_name */
.uleb128 0x8 /* DW_FORM_string */
.uleb128 0x2 /* DW_AT_location */
.uleb128 0xa /* DW_FORM_block1 */
.uleb128 0x49 /* DW_AT_type */
.uleb128 0x13 /* DW_FORM_ref4 */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */
.byte 0x0 /* Terminator */

35
gdb/testsuite/gdb.dwarf2/dw2-ref-missing-frame.exp
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@ -13,8 +13,6 @@
# 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*]
@ -26,37 +24,26 @@ if {![istarget *-*-linux*]
return 0
}
if {![istarget "i?86-*-*"]} then {
return 0
}
set testfile "dw2-ref-missing-frame"
set srcfile ${testfile}.S
set binfile ${objdir}/${subdir}/${testfile}
set sources [list ${testfile}-main.c ${testfile}.S]
# First try referencing DW_AT_frame_base which is not defined.
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list {additional_flags=-DNO_FRAME_BASE}]] != "" } {
set executable_nofb ${testfile}-nofb
if { [prepare_for_testing ${testfile}.exp $executable_nofb $sources {nodebug additional_flags=-DNO_FRAME_BASE}] } {
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
runto_main
gdb_test "p var" {Could not find the frame base for "main".}
if [runto_main] {
gdb_test "p main_var" {Could not find the frame base for "main".}
}
# And now try referencing DW_AT_frame_base defined using a self-reference
# (DW_OP_fbreg).
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
set executable_fb ${testfile}-fb
if { [prepare_for_testing ${testfile}.exp $executable_fb $sources {nodebug}] } {
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 .*"
if [runto_main] {
gdb_test "p main_var" "DWARF-2 expression error: Loop detected .*"
}