#! /bin/sh

# Copyright (C) 2013, 2018 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

# Tests readelf --debug-dump=line and --debug-dump=decodedline

# See run-readelf-aranges for testfiles.

testfiles testfilefoobarbaz

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=line testfilefoobarbaz <

DWARF section [30] '.debug_line' at offset 0x15f6:

Table at offset 0:

 Length:                         83

 DWARF version:                  2

 Prologue length:                43

 Address size:                   4

 Segment selector size:          0

 Min instruction length:         1

 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         foo.c

 2     0     0         0         foobarbaz.h

Line number statements:

 [    35] extended opcode 2:  set address to 0x80482f0 <main>

 [    3c] advance line by constant 15 to 16

 [    3e] copy

 [    3f] special opcode 159: address+10 = 0x80482fa <main+0xa>, line+1 = 17

 [    40] special opcode 117: address+7 = 0x8048301 <main+0x11>, line+1 = 18

 [    41] advance line by constant -9 to 9

 [    43] special opcode 200: address+13 = 0x804830e <main+0x1e>, line+0 = 9

 [    44] special opcode 48: address+2 = 0x8048310 <main+0x20>, line+2 = 11

 [    45] special opcode 58: address+3 = 0x8048313 <main+0x23>, line-2 = 9

 [    46] special opcode 48: address+2 = 0x8048315 <main+0x25>, line+2 = 11

 [    47] special opcode 44: address+2 = 0x8048317 <main+0x27>, line-2 = 9

 [    48] advance line by constant 13 to 22

 [    4a] special opcode 46: address+2 = 0x8048319 <main+0x29>, line+0 = 22

 [    4b] advance line by constant -13 to 9

 [    4d] special opcode 60: address+3 = 0x804831c <main+0x2c>, line+0 = 9

 [    4e] advance line by constant 12 to 21

 [    50] special opcode 60: address+3 = 0x804831f <main+0x2f>, line+0 = 21

 [    51] special opcode 61: address+3 = 0x8048322 <main+0x32>, line+1 = 22

 [    52] advance address by 2 to 0x8048324

 [    54] extended opcode 1:  end of sequence

Table at offset 87:

 Length:                         72

 DWARF version:                  2

 Prologue length:                28

 Address size:                   4

 Segment selector size:          0

 Min instruction length:         1

 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         bar.c

Line number statements:

 [    7d] extended opcode 2:  set address to 0x8048330 <nobar>

 [    84] advance line by constant 12 to 13

 [    86] copy

 [    87] special opcode 19: address+0 = 0x8048330 <nobar>, line+1 = 14

 [    88] advance address by 11 to 0x804833b

 [    8a] extended opcode 1:  end of sequence

 [    8d] extended opcode 2:  set address to 0x8048440 <bar>

 [    94] advance line by constant 18 to 19

 [    96] copy

 [    97] special opcode 19: address+0 = 0x8048440 <bar>, line+1 = 20

 [    98] advance line by constant -12 to 8

 [    9a] special opcode 200: address+13 = 0x804844d <bar+0xd>, line+0 = 8

 [    9b] advance line by constant 14 to 22

 [    9d] special opcode 74: address+4 = 0x8048451 <bar+0x11>, line+0 = 22

 [    9e] advance address by 1 to 0x8048452

 [    a0] extended opcode 1:  end of sequence

Table at offset 163:

 Length:                         106

 DWARF version:                  2

 Prologue length:                43

 Address size:                   4

 Segment selector size:          0

 Min instruction length:         1

 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         baz.c

 2     0     0         0         foobarbaz.h

Line number statements:

 [    d8] extended opcode 2:  set address to 0x8048340 <nobaz>

 [    df] advance line by constant 12 to 13

 [    e1] copy

 [    e2] special opcode 19: address+0 = 0x8048340 <nobaz>, line+1 = 14

 [    e3] advance address by 11 to 0x804834b

 [    e5] extended opcode 1:  end of sequence

 [    e8] extended opcode 2:  set address to 0x8048460 <baz>

 [    ef] advance line by constant 18 to 19

 [    f1] copy

 [    f2] special opcode 74: address+4 = 0x8048464 <baz+0x4>, line+0 = 19

 [    f3] special opcode 75: address+4 = 0x8048468 <baz+0x8>, line+1 = 20

 [    f4] extended opcode 4:  set discriminator to 1

 [    f8] special opcode 78: address+4 = 0x804846c <baz+0xc>, line+4 = 24

 [    f9] special opcode 187: address+12 = 0x8048478 <baz+0x18>, line+1 = 25

 [    fa] special opcode 87: address+5 = 0x804847d <baz+0x1d>, line-1 = 24

 [    fb] special opcode 61: address+3 = 0x8048480 <baz+0x20>, line+1 = 25

 [    fc] special opcode 101: address+6 = 0x8048486 <baz+0x26>, line-1 = 24

 [    fd] special opcode 61: address+3 = 0x8048489 <baz+0x29>, line+1 = 25

 [    fe] special opcode 87: address+5 = 0x804848e <baz+0x2e>, line-1 = 24

 [    ff] advance line by constant -16 to 8

 [   101] special opcode 46: address+2 = 0x8048490 <baz+0x30>, line+0 = 8

 [   102] advance line by constant 20 to 28

 [   104] special opcode 186: address+12 = 0x804849c <baz+0x3c>, line+0 = 28

 [   105] advance line by constant -20 to 8

 [   107] special opcode 88: address+5 = 0x80484a1 <baz+0x41>, line+0 = 8

 [   108] advance line by constant 13 to 21

 [   10a] advance address by constant 17 to 0x80484b2 <baz+0x52>

 [   10b] special opcode 32: address+1 = 0x80484b3 <baz+0x53>, line+0 = 21

 [   10c] advance address by 9 to 0x80484bc

 [   10e] extended opcode 1:  end of sequence

EOF

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=decodedline testfilefoobarbaz <<\EOF

DWARF section [30] '.debug_line' at offset 0x15f6:

 CU [b] foo.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /home/mark/src/tests/foobarbaz/foo.c (mtime: 0, length: 0)

    16:0   S        0   0  0 0x080482f0 <main>

    17:0   S        0   0  0 0x080482fa <main+0xa>

    18:0   S        0   0  0 0x08048301 <main+0x11>

     9:0   S        0   0  0 0x0804830e <main+0x1e>

    11:0   S        0   0  0 0x08048310 <main+0x20>

     9:0   S        0   0  0 0x08048313 <main+0x23>

    11:0   S        0   0  0 0x08048315 <main+0x25>

     9:0   S        0   0  0 0x08048317 <main+0x27>

    22:0   S        0   0  0 0x08048319 <main+0x29>

     9:0   S        0   0  0 0x0804831c <main+0x2c>

    21:0   S        0   0  0 0x0804831f <main+0x2f>

    22:0   S        0   0  0 0x08048322 <main+0x32>

    22:0   S   *    0   0  0 0x08048323 <main+0x33>

 CU [141] bar.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /home/mark/src/tests/foobarbaz/bar.c (mtime: 0, length: 0)

    13:0   S        0   0  0 0x08048330 <nobar>

    14:0   S        0   0  0 0x08048330 <nobar>

    14:0   S   *    0   0  0 0x0804833a <nobar+0xa>

    19:0   S        0   0  0 0x08048440 <bar>

    20:0   S        0   0  0 0x08048440 <bar>

     8:0   S        0   0  0 0x0804844d <bar+0xd>

    22:0   S        0   0  0 0x08048451 <bar+0x11>

    22:0   S   *    0   0  0 0x08048451 <bar+0x11>

 CU [1dc] baz.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /home/mark/src/tests/foobarbaz/baz.c (mtime: 0, length: 0)

    13:0   S        0   0  0 0x08048340 <nobaz>

    14:0   S        0   0  0 0x08048340 <nobaz>

    14:0   S   *    0   0  0 0x0804834a <nobaz+0xa>

    19:0   S        0   0  0 0x08048460 <baz>

    19:0   S        0   0  0 0x08048464 <baz+0x4>

    20:0   S        0   0  0 0x08048468 <baz+0x8>

    24:0   S        1   0  0 0x0804846c <baz+0xc>

    25:0   S        0   0  0 0x08048478 <baz+0x18>

    24:0   S        0   0  0 0x0804847d <baz+0x1d>

    25:0   S        0   0  0 0x08048480 <baz+0x20>

    24:0   S        0   0  0 0x08048486 <baz+0x26>

    25:0   S        0   0  0 0x08048489 <baz+0x29>

    24:0   S        0   0  0 0x0804848e <baz+0x2e>

     8:0   S        0   0  0 0x08048490 <baz+0x30>

    28:0   S        0   0  0 0x0804849c <baz+0x3c>

     8:0   S        0   0  0 0x080484a1 <baz+0x41>

    21:0   S        0   0  0 0x080484b3 <baz+0x53>

    21:0   S   *    0   0  0 0x080484bb <baz+0x5b>

EOF

# A .debug_line table with mininum instruction length > 1.

#

# = hello.c

# #include <stdio.h>

#

# int

# main (int argc, char **argv)

# {

#   printf ("Hello, %s\n", (argc > 0

# 			  ? argv[1]: "World"));

#   return 0;

# }

#

# clang version 5.0.1 (tags/RELEASE_501/final)

# Target: powerpc64-unknown-linux-gnu

# clang -g -O2 -o testfile-ppc64-min-instr hello.c

testfiles testfile-ppc64-min-instr

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=line testfile-ppc64-min-instr <<\EOF

DWARF section [29] '.debug_line' at offset 0xdf6:

Table at offset 0:

 Length:                         69

 DWARF version:                  2

 Prologue length:                30

 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         hello.c

Line number statements:

 [    28] extended opcode 2:  set address to 0x100005a4 <main>

 [    33] special opcode 22: address+0 = 0x100005a4 <main>, line+4 = 5

 [    34] set column to 27

 [    36] set prologue end flag

 [    37] special opcode 19: address+0 = 0x100005a4 <main>, line+1 = 6

 [    38] set column to 8

 [    3a] special opcode 47: address+8 = 0x100005ac <main+0x8>, line+1 = 7

 [    3b] set 'is_stmt' to 0

 [    3c] advance line by constant -7 to 0

 [    3e] special opcode 32: address+4 = 0x100005b0 <main+0xc>, line+0 = 0

 [    3f] set column to 3

 [    41] set 'is_stmt' to 1

 [    42] special opcode 108: address+24 = 0x100005c8 <main+0x24>, line+6 = 6

 [    43] special opcode 76: address+16 = 0x100005d8 <main+0x34>, line+2 = 8

 [    44] advance address by 32 to 0x100005f8

 [    46] extended opcode 1:  end of sequence

EOF

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=decodedline testfile-ppc64-min-instr <<\EOF

DWARF section [29] '.debug_line' at offset 0xdf6:

 CU [b] hello.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /home/fedora/mjw/hello.c (mtime: 0, length: 0)

     5:0   S        0   0  0 0x00000000100005a4 <main>

     6:27  S P      0   0  0 0x00000000100005a4 <main>

     7:8   S        0   0  0 0x00000000100005ac <main+0x8>

     0:8            0   0  0 0x00000000100005b0 <main+0xc>

     6:3   S        0   0  0 0x00000000100005c8 <main+0x24>

     8:3   S        0   0  0 0x00000000100005d8 <main+0x34>

     8:3   S   *    0   0  0 0x00000000100005f7 <main+0x53>

EOF

# Two tests for the same code but encoded using DWARF4 or DWARF5.

# Output is identical except for the section offset and CU numbers.

# See tests/testfile-dwarf-45.source.

testfiles testfile-dwarf-4 testfile-dwarf-5

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=decodedline testfile-dwarf-4 << \EOF

DWARF section [29] '.debug_line' at offset 0x1734:

 CU [b] hello.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /var/tmp/hello/hello.c (mtime: 0, length: 0)

    21:0   S        0   0  0 0x0000000000400510 <foo>

    22:1   S        0   0  0 0x0000000000400510 <foo>

    22:3            0   0  0 0x0000000000400510 <foo>

    25:6            0   0  0 0x0000000000400514 <foo+0x4>

    25:34  S        0   0  0 0x000000000040051a <foo+0xa>

    25:3            0   0  0 0x000000000040051a <foo+0xa>

    26:34           0   0  0 0x000000000040051e <foo+0xe>

    25:1            1   0  0 0x0000000000400528 <foo+0x18>

  /var/tmp/hello/hello.h (mtime: 0, length: 0)

     7:18  S        0   0  0 0x000000000040052b <foo+0x1b>

     9:3   S        0   0  0 0x000000000040052b <foo+0x1b>

     9:3            0   0  0 0x000000000040052b <foo+0x1b>

    10:6   S        0   0  0 0x000000000040052f <foo+0x1f>

    10:5            0   0  0 0x000000000040052f <foo+0x1f>

    12:7   S        0   0  0 0x0000000000400531 <foo+0x21>

  /var/tmp/hello/hello.c (mtime: 0, length: 0)

    10:3   S        0   0  0 0x0000000000400531 <foo+0x21>

    12:3   S        0   0  0 0x0000000000400531 <foo+0x21>

    12:3            0   0  0 0x0000000000400531 <foo+0x21>

    13:6   S        0   0  0 0x0000000000400535 <foo+0x25>

    13:5            0   0  0 0x0000000000400535 <foo+0x25>

    15:7   S        0   0  0 0x0000000000400539 <foo+0x29>

    22:3   S        0   0  0 0x0000000000400539 <foo+0x29>

    22:3            0   0  0 0x0000000000400539 <foo+0x29>

    23:6   S        0   0  0 0x000000000040053d <foo+0x2d>

    23:5            0   0  0 0x000000000040053d <foo+0x2d>

     9:12  S        0   0  0 0x0000000000400550 <baz>

    10:1   S        0   0  0 0x0000000000400550 <baz>

    12:3   S        0   0  0 0x0000000000400550 <baz>

    12:3            0   0  0 0x0000000000400550 <baz>

    13:9            0   0  0 0x0000000000400556 <baz+0x6>

    15:7   S        0   0  0 0x000000000040055f <baz+0xf>

    15:3            0   0  0 0x000000000040055f <baz+0xf>

    15:7       *    0   0  0 0x0000000000400560 <baz+0x10>

 CU [21c] world.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /var/tmp/hello/world.c (mtime: 0, length: 0)

    15:0   S        0   0  0 0x0000000000400410 <main>

    16:1   S        0   0  0 0x0000000000400410 <main>

    17:3   S        0   0  0 0x0000000000400410 <main>

    15:3            0   0  0 0x0000000000400410 <main>

    17:1            0   0  0 0x0000000000400419 <main+0x9>

    18:6   S        0   0  0 0x000000000040041e <main+0xe>

    18:5            0   0  0 0x000000000040041e <main+0xe>

    22:7   S        0   0  0 0x0000000000400421 <main+0x11>

    22:3   S   *    0   0  0 0x000000000040042f <main+0x1f>

     6:0   S        0   0  0 0x0000000000400570 <calc>

     7:1   S        0   0  0 0x0000000000400570 <calc>

     7:3            0   0  0 0x0000000000400570 <calc>

     7:6            1   0  0 0x0000000000400575 <calc+0x5>

     7:24           0   0  0 0x0000000000400578 <calc+0x8>

    10:17  S        0   0  0 0x000000000040057d <calc+0xd>

    10:3            0   0  0 0x000000000040057d <calc+0xd>

  /var/tmp/hello/hello.h (mtime: 0, length: 0)

    10:10           0   0  0 0x0000000000400583 <calc+0x13>

  /var/tmp/hello/world.c (mtime: 0, length: 0)

    10:7            0   0  0 0x0000000000400585 <calc+0x15>

  /var/tmp/hello/hello.h (mtime: 0, length: 0)

     7:10  S        0   0  0 0x0000000000400588 <calc+0x18>

     9:3   S        0   0  0 0x0000000000400588 <calc+0x18>

    10:3            0   0  0 0x0000000000400588 <calc+0x18>

    12:7   S        0   0  0 0x000000000040058f <calc+0x1f>

    12:3            0   0  0 0x000000000040058f <calc+0x1f>

  /var/tmp/hello/world.c (mtime: 0, length: 0)

    11:10           0   0  0 0x0000000000400598 <calc+0x28>

    11:1       *    0   0  0 0x000000000040059a <calc+0x2a>

EOF

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=decodedline testfile-dwarf-5 << \EOF

DWARF section [29] '.debug_line' at offset 0x171f:

 CU [c] hello.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /var/tmp/hello/hello.c (mtime: 0, length: 0)

    21:0   S        0   0  0 0x0000000000400510 <foo>

    22:1   S        0   0  0 0x0000000000400510 <foo>

    22:3            0   0  0 0x0000000000400510 <foo>

    25:6            0   0  0 0x0000000000400514 <foo+0x4>

    25:34  S        0   0  0 0x000000000040051a <foo+0xa>

    25:3            0   0  0 0x000000000040051a <foo+0xa>

    26:34           0   0  0 0x000000000040051e <foo+0xe>

    25:1            1   0  0 0x0000000000400528 <foo+0x18>

  /var/tmp/hello/hello.h (mtime: 0, length: 0)

     7:18  S        0   0  0 0x000000000040052b <foo+0x1b>

     9:3   S        0   0  0 0x000000000040052b <foo+0x1b>

     9:3            0   0  0 0x000000000040052b <foo+0x1b>

    10:6   S        0   0  0 0x000000000040052f <foo+0x1f>

    10:5            0   0  0 0x000000000040052f <foo+0x1f>

    12:7   S        0   0  0 0x0000000000400531 <foo+0x21>

  /var/tmp/hello/hello.c (mtime: 0, length: 0)

    10:3   S        0   0  0 0x0000000000400531 <foo+0x21>

    12:3   S        0   0  0 0x0000000000400531 <foo+0x21>

    12:3            0   0  0 0x0000000000400531 <foo+0x21>

    13:6   S        0   0  0 0x0000000000400535 <foo+0x25>

    13:5            0   0  0 0x0000000000400535 <foo+0x25>

    15:7   S        0   0  0 0x0000000000400539 <foo+0x29>

    22:3   S        0   0  0 0x0000000000400539 <foo+0x29>

    22:3            0   0  0 0x0000000000400539 <foo+0x29>

    23:6   S        0   0  0 0x000000000040053d <foo+0x2d>

    23:5            0   0  0 0x000000000040053d <foo+0x2d>

     9:12  S        0   0  0 0x0000000000400550 <baz>

    10:1   S        0   0  0 0x0000000000400550 <baz>

    12:3   S        0   0  0 0x0000000000400550 <baz>

    12:3            0   0  0 0x0000000000400550 <baz>

    13:9            0   0  0 0x0000000000400556 <baz+0x6>

    15:7   S        0   0  0 0x000000000040055f <baz+0xf>

    15:3            0   0  0 0x000000000040055f <baz+0xf>

    15:7       *    0   0  0 0x0000000000400560 <baz+0x10>

 CU [218] world.c

  line:col SBPE* disc isa op address (Statement Block Prologue Epilogue *End)

  /var/tmp/hello/world.c (mtime: 0, length: 0)

    15:0   S        0   0  0 0x0000000000400410 <main>

    16:1   S        0   0  0 0x0000000000400410 <main>

    17:3   S        0   0  0 0x0000000000400410 <main>

    15:3            0   0  0 0x0000000000400410 <main>

    17:1            0   0  0 0x0000000000400419 <main+0x9>

    18:6   S        0   0  0 0x000000000040041e <main+0xe>

    18:5            0   0  0 0x000000000040041e <main+0xe>

    22:7   S        0   0  0 0x0000000000400421 <main+0x11>

    22:3   S   *    0   0  0 0x000000000040042f <main+0x1f>

     6:0   S        0   0  0 0x0000000000400570 <calc>

     7:1   S        0   0  0 0x0000000000400570 <calc>

     7:3            0   0  0 0x0000000000400570 <calc>

     7:6            1   0  0 0x0000000000400575 <calc+0x5>

     7:24           0   0  0 0x0000000000400578 <calc+0x8>

    10:17  S        0   0  0 0x000000000040057d <calc+0xd>

    10:3            0   0  0 0x000000000040057d <calc+0xd>

  /var/tmp/hello/hello.h (mtime: 0, length: 0)

    10:10           0   0  0 0x0000000000400583 <calc+0x13>

  /var/tmp/hello/world.c (mtime: 0, length: 0)

    10:7            0   0  0 0x0000000000400585 <calc+0x15>

  /var/tmp/hello/hello.h (mtime: 0, length: 0)

     7:10  S        0   0  0 0x0000000000400588 <calc+0x18>

     9:3   S        0   0  0 0x0000000000400588 <calc+0x18>

    10:3            0   0  0 0x0000000000400588 <calc+0x18>

    12:7   S        0   0  0 0x000000000040058f <calc+0x1f>

    12:3            0   0  0 0x000000000040058f <calc+0x1f>

  /var/tmp/hello/world.c (mtime: 0, length: 0)

    11:10           0   0  0 0x0000000000400598 <calc+0x28>

    11:1       *    0   0  0 0x000000000040059a <calc+0x2a>

EOF

# After discarding the different offsets in the line number statements,

# the remaining difference between 4 and 5 is (besides the header/length)

# Just the representation of the directory and line tables:

#  Directory table:

# - /opt/local/install/gcc/lib/gcc/x86_64-pc-linux-gnu/9.0.0/include

# +      [path(line_strp)]

# + 0     /var/tmp/hello (90)

# + 1     /opt/local/install/gcc/lib/gcc/x86_64-pc-linux-gnu/9.0.0/include (17)

#

#  File name table:

# - Entry Dir   Time      Size      Name

# - 1     0     0         0         hello.c

# - 2     0     0         0         hello.h

# - 3     1     0         0         stddef.h

# +      [path(line_strp), directory_index(data1)]

# + 0     hello.c (9),  0

# + 1     hello.c (9),  0

# + 2     hello.h (82),  0

# + 3     stddef.h (0),  1

#

#  Directory table:

# - /usr/include

# +      [path(line_strp)]

# + 0     /var/tmp/hello (90)

# + 1     /usr/include (122)

#

#  File name table:

# - Entry Dir   Time      Size      Name

# - 1     0     0         0         world.c

# - 2     0     0         0         hello.h

# - 3     1     0         0         stdlib.h

# +      [path(line_strp), directory_index(data1)]

# + 0     world.c (114),  0

# + 1     world.c (114),  0

# + 2     hello.h (82),  0

# + 3     stdlib.h (105),  1

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=line testfile-dwarf-4 << \EOF

DWARF section [29] '.debug_line' at offset 0x1734:

Table at offset 0:

 Length:                         608

 DWARF version:                  4

 Prologue length:                119

 Address size:                   8

 Segment selector size:          0

 Min instruction length:         1

 Max operations per instruction: 1

 Initial value if 'is_stmt':     1

 Line base:                      -10

 Line range:                     242

 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:

 /opt/local/install/gcc/lib/gcc/x86_64-pc-linux-gnu/9.0.0/include

File name table:

 Entry Dir   Time      Size      Name

 1     0     0         0         hello.c

 2     0     0         0         hello.h

 3     1     0         0         stddef.h

Line number statements:

 [    81] extended opcode 2:  set address to 0x400510 <foo>

 [    8c] special opcode 43: address+0 = 0x400510 <foo>, line+20 = 21

 [    8d] set column to 1

 [    8f] extended opcode 2:  set address to 0x400510 <foo>

 [    9a] special opcode 24: address+0 = 0x400510 <foo>, line+1 = 22

 [    9b] set column to 3

 [    9d] extended opcode 2:  set address to 0x400510 <foo>

 [    a8] set 'is_stmt' to 0

 [    a9] copy

 [    aa] set column to 6

 [    ac] extended opcode 2:  set address to 0x400514 <foo+0x4>

 [    b7] special opcode 26: address+0 = 0x400514 <foo+0x4>, line+3 = 25

 [    b8] set column to 34

 [    ba] extended opcode 2:  set address to 0x40051a <foo+0xa>

 [    c5] set 'is_stmt' to 1

 [    c6] copy

 [    c7] set column to 3

 [    c9] extended opcode 2:  set address to 0x40051a <foo+0xa>

 [    d4] set 'is_stmt' to 0

 [    d5] copy

 [    d6] set column to 34

 [    d8] extended opcode 2:  set address to 0x40051e <foo+0xe>

 [    e3] special opcode 24: address+0 = 0x40051e <foo+0xe>, line+1 = 26

 [    e4] set column to 1

 [    e6] extended opcode 2:  set address to 0x400528 <foo+0x18>

 [    f1] extended opcode 4:  set discriminator to 1

 [    f5] special opcode 22: address+0 = 0x400528 <foo+0x18>, line-1 = 25

 [    f6] set column to 18

 [    f8] extended opcode 2:  set address to 0x40052b <foo+0x1b>

 [   103] set file to 2

 [   105] set 'is_stmt' to 1

 [   106] advance line by constant -18 to 7

 [   108] copy

 [   109] set column to 3

 [   10b] extended opcode 2:  set address to 0x40052b <foo+0x1b>

 [   116] special opcode 25: address+0 = 0x40052b <foo+0x1b>, line+2 = 9

 [   117] set column to 3

 [   119] extended opcode 2:  set address to 0x40052b <foo+0x1b>

 [   124] set 'is_stmt' to 0

 [   125] copy

 [   126] set column to 6

 [   128] extended opcode 2:  set address to 0x40052f <foo+0x1f>

 [   133] extended opcode 4:  set discriminator to 0

 [   137] set 'is_stmt' to 1

 [   138] special opcode 24: address+0 = 0x40052f <foo+0x1f>, line+1 = 10

 [   139] set column to 5

 [   13b] extended opcode 2:  set address to 0x40052f <foo+0x1f>

 [   146] set 'is_stmt' to 0

 [   147] copy

 [   148] set column to 7

 [   14a] extended opcode 2:  set address to 0x400531 <foo+0x21>

 [   155] set 'is_stmt' to 1

 [   156] special opcode 25: address+0 = 0x400531 <foo+0x21>, line+2 = 12

 [   157] set column to 3

 [   159] extended opcode 2:  set address to 0x400531 <foo+0x21>

 [   164] set file to 1

 [   166] special opcode 21: address+0 = 0x400531 <foo+0x21>, line-2 = 10

 [   167] set column to 3

 [   169] extended opcode 2:  set address to 0x400531 <foo+0x21>

 [   174] special opcode 25: address+0 = 0x400531 <foo+0x21>, line+2 = 12

 [   175] set column to 3

 [   177] extended opcode 2:  set address to 0x400531 <foo+0x21>

 [   182] set 'is_stmt' to 0

 [   183] copy

 [   184] set column to 6

 [   186] extended opcode 2:  set address to 0x400535 <foo+0x25>

 [   191] set 'is_stmt' to 1

 [   192] special opcode 24: address+0 = 0x400535 <foo+0x25>, line+1 = 13

 [   193] set column to 5

 [   195] extended opcode 2:  set address to 0x400535 <foo+0x25>

 [   1a0] set 'is_stmt' to 0

 [   1a1] copy

 [   1a2] set column to 7

 [   1a4] extended opcode 2:  set address to 0x400539 <foo+0x29>

 [   1af] set 'is_stmt' to 1

 [   1b0] special opcode 25: address+0 = 0x400539 <foo+0x29>, line+2 = 15

 [   1b1] set column to 3

 [   1b3] extended opcode 2:  set address to 0x400539 <foo+0x29>

 [   1be] special opcode 30: address+0 = 0x400539 <foo+0x29>, line+7 = 22

 [   1bf] set column to 3

 [   1c1] extended opcode 2:  set address to 0x400539 <foo+0x29>

 [   1cc] set 'is_stmt' to 0

 [   1cd] copy

 [   1ce] set column to 6

 [   1d0] extended opcode 2:  set address to 0x40053d <foo+0x2d>

 [   1db] set 'is_stmt' to 1

 [   1dc] special opcode 24: address+0 = 0x40053d <foo+0x2d>, line+1 = 23

 [   1dd] set column to 5

 [   1df] extended opcode 2:  set address to 0x40053d <foo+0x2d>

 [   1ea] set 'is_stmt' to 0

 [   1eb] copy

 [   1ec] set column to 12

 [   1ee] extended opcode 2:  set address to 0x400550 <baz>

 [   1f9] set 'is_stmt' to 1

 [   1fa] advance line by constant -14 to 9

 [   1fc] copy

 [   1fd] set column to 1

 [   1ff] extended opcode 2:  set address to 0x400550 <baz>

 [   20a] special opcode 24: address+0 = 0x400550 <baz>, line+1 = 10

 [   20b] set column to 3

 [   20d] extended opcode 2:  set address to 0x400550 <baz>

 [   218] special opcode 25: address+0 = 0x400550 <baz>, line+2 = 12

 [   219] set column to 3

 [   21b] extended opcode 2:  set address to 0x400550 <baz>

 [   226] set 'is_stmt' to 0

 [   227] copy

 [   228] set column to 9

 [   22a] extended opcode 2:  set address to 0x400556 <baz+0x6>

 [   235] special opcode 24: address+0 = 0x400556 <baz+0x6>, line+1 = 13

 [   236] set column to 7

 [   238] extended opcode 2:  set address to 0x40055f <baz+0xf>

 [   243] set 'is_stmt' to 1

 [   244] special opcode 25: address+0 = 0x40055f <baz+0xf>, line+2 = 15

 [   245] set column to 3

 [   247] extended opcode 2:  set address to 0x40055f <baz+0xf>

 [   252] set 'is_stmt' to 0

 [   253] copy

 [   254] set column to 7

 [   256] extended opcode 2:  set address to 0x400561

 [   261] extended opcode 1:  end of sequence

Table at offset 612:

 Length:                         450

 DWARF version:                  4

 Prologue length:                67

 Address size:                   8

 Segment selector size:          0

 Min instruction length:         1

 Max operations per instruction: 1

 Initial value if 'is_stmt':     1

 Line base:                      -10

 Line range:                     242

 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:

 /usr/include

File name table:

 Entry Dir   Time      Size      Name

 1     0     0         0         world.c

 2     0     0         0         hello.h

 3     1     0         0         stdlib.h

Line number statements:

 [   2b1] extended opcode 2:  set address to 0x400410 <main>

 [   2bc] special opcode 37: address+0 = 0x400410 <main>, line+14 = 15

 [   2bd] set column to 1

 [   2bf] extended opcode 2:  set address to 0x400410 <main>

 [   2ca] special opcode 24: address+0 = 0x400410 <main>, line+1 = 16

 [   2cb] set column to 3

 [   2cd] extended opcode 2:  set address to 0x400410 <main>

 [   2d8] special opcode 24: address+0 = 0x400410 <main>, line+1 = 17

 [   2d9] set column to 3

 [   2db] extended opcode 2:  set address to 0x400410 <main>

 [   2e6] set 'is_stmt' to 0

 [   2e7] special opcode 21: address+0 = 0x400410 <main>, line-2 = 15

 [   2e8] set column to 1

 [   2ea] extended opcode 2:  set address to 0x400419 <main+0x9>

 [   2f5] special opcode 25: address+0 = 0x400419 <main+0x9>, line+2 = 17

 [   2f6] set column to 6

 [   2f8] extended opcode 2:  set address to 0x40041e <main+0xe>

 [   303] set 'is_stmt' to 1

 [   304] special opcode 24: address+0 = 0x40041e <main+0xe>, line+1 = 18

 [   305] set column to 5

 [   307] extended opcode 2:  set address to 0x40041e <main+0xe>

 [   312] set 'is_stmt' to 0

 [   313] copy

 [   314] set column to 7

 [   316] extended opcode 2:  set address to 0x400421 <main+0x11>

 [   321] set 'is_stmt' to 1

 [   322] special opcode 27: address+0 = 0x400421 <main+0x11>, line+4 = 22

 [   323] set column to 3

 [   325] extended opcode 2:  set address to 0x400430 <_start>

 [   330] extended opcode 1:  end of sequence

 [   333] extended opcode 2:  set address to 0x400570 <calc>

 [   33e] special opcode 28: address+0 = 0x400570 <calc>, line+5 = 6

 [   33f] set column to 1

 [   341] extended opcode 2:  set address to 0x400570 <calc>

 [   34c] special opcode 24: address+0 = 0x400570 <calc>, line+1 = 7

 [   34d] set column to 3

 [   34f] extended opcode 2:  set address to 0x400570 <calc>

 [   35a] set 'is_stmt' to 0

 [   35b] copy

 [   35c] set column to 6

 [   35e] extended opcode 2:  set address to 0x400575 <calc+0x5>

 [   369] extended opcode 4:  set discriminator to 1

 [   36d] copy

 [   36e] set column to 24

 [   370] extended opcode 2:  set address to 0x400578 <calc+0x8>

 [   37b] copy

 [   37c] set column to 17

 [   37e] extended opcode 2:  set address to 0x40057d <calc+0xd>

 [   389] extended opcode 4:  set discriminator to 0

 [   38d] set 'is_stmt' to 1

 [   38e] special opcode 26: address+0 = 0x40057d <calc+0xd>, line+3 = 10

 [   38f] set column to 3

 [   391] extended opcode 2:  set address to 0x40057d <calc+0xd>

 [   39c] set 'is_stmt' to 0

 [   39d] copy

 [   39e] set column to 10

 [   3a0] extended opcode 2:  set address to 0x400583 <calc+0x13>

 [   3ab] set file to 2

 [   3ad] copy

 [   3ae] set column to 7

 [   3b0] extended opcode 2:  set address to 0x400585 <calc+0x15>

 [   3bb] set file to 1

 [   3bd] copy

 [   3be] set column to 10

 [   3c0] extended opcode 2:  set address to 0x400588 <calc+0x18>

 [   3cb] set file to 2

 [   3cd] set 'is_stmt' to 1

 [   3ce] special opcode 20: address+0 = 0x400588 <calc+0x18>, line-3 = 7

 [   3cf] set column to 3

 [   3d1] extended opcode 2:  set address to 0x400588 <calc+0x18>

 [   3dc] special opcode 25: address+0 = 0x400588 <calc+0x18>, line+2 = 9

 [   3dd] set column to 3

 [   3df] extended opcode 2:  set address to 0x400588 <calc+0x18>

 [   3ea] set 'is_stmt' to 0

 [   3eb] special opcode 24: address+0 = 0x400588 <calc+0x18>, line+1 = 10

 [   3ec] set column to 7

 [   3ee] extended opcode 2:  set address to 0x40058f <calc+0x1f>

 [   3f9] set 'is_stmt' to 1

 [   3fa] special opcode 25: address+0 = 0x40058f <calc+0x1f>, line+2 = 12

 [   3fb] set column to 3

 [   3fd] extended opcode 2:  set address to 0x40058f <calc+0x1f>

 [   408] set 'is_stmt' to 0

 [   409] copy

 [   40a] set column to 10

 [   40c] extended opcode 2:  set address to 0x400598 <calc+0x28>

 [   417] set file to 1

 [   419] special opcode 22: address+0 = 0x400598 <calc+0x28>, line-1 = 11

 [   41a] set column to 1

 [   41c] extended opcode 2:  set address to 0x40059b

 [   427] extended opcode 1:  end of sequence

EOF

testrun_compare ${abs_top_builddir}/src/readelf --debug-dump=line testfile-dwarf-5 << \EOF

DWARF section [29] '.debug_line' at offset 0x171f:

Table at offset 0:

 Length:                         547

 DWARF version:                  5

 Prologue length:                56

 Address size:                   8

 Segment selector size:          0

 Min instruction length:         1

 Max operations per instruction: 1

 Initial value if 'is_stmt':     1

 Line base:                      -10

 Line range:                     242

 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