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#! /bin/sh
# Copyright (C) 2021 Red Hat, Inc.
# This file is part of elfutils.
#
# This file 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.
#
# elfutils 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/>.
. $srcdir/test-subr.sh
# = a.c =
# int a;
# = b.c =
# int b;
# = m.c =
# int main () { }
# gcc -g -o testfile_multi_noline a.c b.c m.c
testfiles testfile_multi_noline
testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=line testfile_multi_noline <<\EOF
DWARF section [29] '.debug_line' at offset 0x1221:
Table at offset 0:
Length: 32
DWARF version: 3
Prologue length: 26
Address size: 8
Segment selector size: 0
Min instruction length: 4
Max operations per instruction: 1
Initial value if 'is_stmt': 1
Line base: -5
Line range: 14
Opcode base: 13
Opcodes:
[ 1] 0 arguments
[ 2] 1 argument
[ 3] 1 argument
[ 4] 1 argument
[ 5] 1 argument
[ 6] 0 arguments
[ 7] 0 arguments
[ 8] 0 arguments
[ 9] 1 argument
[10] 0 arguments
[11] 0 arguments
[12] 1 argument
Directory table:
File name table:
Entry Dir Time Size Name
1 0 0 0 a.c
No line number statements.
Table at offset 36:
Length: 32
DWARF version: 3
Prologue length: 26
Address size: 8
Segment selector size: 0
Min instruction length: 4
Max operations per instruction: 1
Initial value if 'is_stmt': 1
Line base: -5
Line range: 14
Opcode base: 13
Opcodes:
[ 1] 0 arguments
[ 2] 1 argument
[ 3] 1 argument
[ 4] 1 argument
[ 5] 1 argument
[ 6] 0 arguments
[ 7] 0 arguments
[ 8] 0 arguments
[ 9] 1 argument
[10] 0 arguments
[11] 0 arguments
[12] 1 argument
Directory table:
File name table:
Entry Dir Time Size Name
1 0 0 0 b.c
No line number statements.
Table at offset 72:
Length: 54
DWARF version: 3
Prologue length: 26
Address size: 8
Segment selector size: 0
Min instruction length: 4
Max operations per instruction: 1
Initial value if 'is_stmt': 1
Line base: -5
Line range: 14
Opcode base: 13
Opcodes:
[ 1] 0 arguments
[ 2] 1 argument
[ 3] 1 argument
[ 4] 1 argument
[ 5] 1 argument
[ 6] 0 arguments
[ 7] 0 arguments
[ 8] 0 arguments
[ 9] 1 argument
[10] 0 arguments
[11] 0 arguments
[12] 1 argument
Directory table:
File name table:
Entry Dir Time Size Name
1 0 0 0 m.c
Line number statements:
[ 6c] set column to 13
[ 6e] extended opcode 2: set address to +0x724 <main>
[ 79] copy
[ 7a] set column to 15
[ 7c] special opcode 32: address+4 = +0x728 <main+0x4>, line+0 = 1
[ 7d] advance address by 4 to +0x72c
[ 7f] extended opcode 1: end of sequence
EOF
testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=decodedline testfile_multi_noline <<\EOF
DWARF section [29] '.debug_line' at offset 0x1221:
CU [b] a.c
line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)
CU [44] b.c
line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)
CU [7d] m.c
line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)
/tmp/m.c (mtime: 0, length: 0)
1:13 S 0 0 0 +0x0000000000000724 <main>
1:15 S 0 0 0 +0x0000000000000728 <main+0x4>
1:15 S * 0 0 0 +0x000000000000072b <main+0x7>
EOF
exit 0
|
