#! /bin/sh
# Copyright (C) 2013 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 -s and readelf --elf-section -s
# See also run-dwflsyms.sh
#
# - bar.c
#
# static int b1 = 1;
# int b2 = 1;
#
# static int
# foo (int a)
# {
# return a + b2;
# }
#
# int bar (int b)
# {
# return b - foo (b - b1);
# }
#
# - foo.c
#
# extern int bar (int b);
# extern int b2;
#
# int
# main (int argc, char ** argv)
# {
# return bar (argc + b2);
# }
#
# gcc -pie -g -c foo.c
# gcc -pie -g -c bar.c
# gcc -pie -g -o baz foo.o bar.o
#
# - testfilebaztab (dynsym + symtab)
# cp baz testfilebaztab
#
# - testfilebazdbg (dynsym + .debug file)
# eu-strip --remove-comment -f testfilebazdbg.debug baz
# cp baz testfilebazdbg
#
#- testfilebazdyn (dynsym only)
# objcopy --remove-section=.gnu_debuglink baz testfilebazdyn
#
# - testfilebazmdb (dynsym + gnu_debugdata + .debug)
# This is how rpmbuild does it:
# nm -D baz --format=posix --defined-only | awk '{ print $1 }' | sort > dynsyms
# nm baz.debug --format=posix --defined-only | awk '{ if ($2 == "T" || $2 == "t") print $1 }' | sort > funcsyms
# comm -13 dynsyms funcsyms > keep_symbols
# objcopy -S --remove-section .gdb_index --remove-section .comment --keep-symbols=keep_symbols baz.debug mini_debuginfo
# rm -f mini_debuginfo.xz
# xz mini_debuginfo
# objcopy --add-section .gnu_debugdata=mini_debuginfo.xz baz
# cp baz testfilebazmdb
#
# - testfilebazmin (dynsym + gnu_debugdata)
# objcopy --remove-section=.gnu_debuglink baz testfilebazmin
#
#
# Special auxiliary only, can happen with static binaries.
# - start.c
#
# extern int main (int argc, char ** argv);
# void _start (void) { for (;;) main (1, 0); }
#
# gcc -g -c start.c
# gcc -static -nostdlib -o bas foo.o bar.o start.o
#
# eu-strip --remove-comment -f bas.debug bas
# nm bas.debug --format=posix --defined-only | awk '{ if ($2 == "T" || $2 == "t") print $1 }' | sort > funcsyms
# objcopy -S --remove-section .gdb_index --remove-section .comment --keep-symbols=funcsyms bas.debug mini_debuginfo
# rm -f mini_debuginfo.xz
# xz mini_debuginfo
# objcopy --add-section .gnu_debugdata=mini_debuginfo.xz bas
# rm bas.debug
# mv bas testfilebasmin
#
#
# Make sure that find_aux_sym doesn't corrupt relocations, avoiding a kernel
# heuristic that forces ET_EXEC->ET_DYN. NB: ld.gold doesn't seem to produce
# the mismatched load addrs between the main file and the mini_debuginfo, so
# this is forcing ld.bfd.
#
# gcc -g -o bax foo.c bar.c -fuse-ld=bfd
# eu-strip --remove-comment -f bax.debug bax
# nm -D bax --format=posix --defined-only | awk '{ print $1 }' | sort > dynsyms
# nm bax.debug --format=posix --defined-only | awk '{ if ($2 == "T" || $2 == "t") print $1 }' | sort > funcsyms
# comm -13 dynsyms funcsyms > keep_symbols
# objcopy -S --remove-section .gdb_index --remove-section .comment --keep-symbols=keep_symbols bax.debug mini_debuginfo
# rm -f mini_debuginfo.xz
# xz mini_debuginfo
# objcopy --add-section .gnu_debugdata=mini_debuginfo.xz bax
# objcopy --remove-section=.gnu_debuglink bax testfilebaxmin
testfiles testfilebaztab
testfiles testfilebazdbg testfilebazdbg.debug
testfiles testfilebazdyn
testfiles testfilebazmdb
testfiles testfilebazmin
testfiles testfilebasmin
testfiles testfilebaxmin
tempfiles testfile.dynsym.in testfile.symtab.in testfile.minsym.in
cat > testfile.dynsym.in <<\EOF
Symbol table [ 5] '.dynsym' contains 14 entries:
2 local symbols String table: [ 6] '.dynstr'
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UNDEF
1: 0000000000000238 0 SECTION LOCAL DEFAULT 1
2: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF _ITM_deregisterTMCloneTable
3: 0000000000000000 0 FUNC GLOBAL DEFAULT UNDEF __libc_start_main@GLIBC_2.2.5 (2)
4: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF __gmon_start__
5: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF _Jv_RegisterClasses
6: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF _ITM_registerTMCloneTable
7: 0000000000000000 0 FUNC WEAK DEFAULT UNDEF __cxa_finalize@GLIBC_2.2.5 (2)
8: 000000000020103c 0 NOTYPE GLOBAL DEFAULT 25 _edata
9: 0000000000201040 0 NOTYPE GLOBAL DEFAULT 26 _end
10: 0000000000000860 137 FUNC GLOBAL DEFAULT 13 __libc_csu_init
11: 000000000020103c 0 NOTYPE GLOBAL DEFAULT 26 __bss_start
12: 00000000000007f0 35 FUNC GLOBAL DEFAULT 13 main
13: 00000000000008f0 2 FUNC GLOBAL DEFAULT 13 __libc_csu_fini
EOF
cat > testfile.symtab.in <<\EOF
Symbol table [34] '.symtab' contains 76 entries:
54 local symbols String table: [35] '.strtab'
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UNDEF
1: 0000000000000238 0 SECTION LOCAL DEFAULT 1
2: 0000000000000254 0 SECTION LOCAL DEFAULT 2
3: 0000000000000274 0 SECTION LOCAL DEFAULT 3
4: 0000000000000298 0 SECTION LOCAL DEFAULT 4
5: 00000000000002d8 0 SECTION LOCAL DEFAULT 5
6: 0000000000000428 0 SECTION LOCAL DEFAULT 6
7: 00000000000004f2 0 SECTION LOCAL DEFAULT 7
8: 0000000000000510 0 SECTION LOCAL DEFAULT 8
9: 0000000000000530 0 SECTION LOCAL DEFAULT 9
10: 0000000000000638 0 SECTION LOCAL DEFAULT 10
11: 0000000000000680 0 SECTION LOCAL DEFAULT 11
12: 00000000000006a0 0 SECTION LOCAL DEFAULT 12
13: 00000000000006e0 0 SECTION LOCAL DEFAULT 13
14: 00000000000008f4 0 SECTION LOCAL DEFAULT 14
15: 0000000000000900 0 SECTION LOCAL DEFAULT 15
16: 0000000000000904 0 SECTION LOCAL DEFAULT 16
17: 0000000000000948 0 SECTION LOCAL DEFAULT 17
18: 0000000000200dd0 0 SECTION LOCAL DEFAULT 18
19: 0000000000200dd8 0 SECTION LOCAL DEFAULT 19
20: 0000000000200de0 0 SECTION LOCAL DEFAULT 20
21: 0000000000200de8 0 SECTION LOCAL DEFAULT 21
22: 0000000000200df0 0 SECTION LOCAL DEFAULT 22
23: 0000000000200fc0 0 SECTION LOCAL DEFAULT 23
24: 0000000000201000 0 SECTION LOCAL DEFAULT 24
25: 0000000000201030 0 SECTION LOCAL DEFAULT 25
26: 000000000020103c 0 SECTION LOCAL DEFAULT 26
27: 0000000000000000 0 SECTION LOCAL DEFAULT 27
28: 0000000000000000 0 SECTION LOCAL DEFAULT 28
29: 0000000000000000 0 SECTION LOCAL DEFAULT 29
30: 0000000000000000 0 SECTION LOCAL DEFAULT 30
31: 0000000000000000 0 SECTION LOCAL DEFAULT 31
32: 0000000000000000 0 SECTION LOCAL DEFAULT 32
33: 0000000000000000 0 FILE LOCAL DEFAULT ABS crtstuff.c
34: 0000000000200de0 0 OBJECT LOCAL DEFAULT 20 __JCR_LIST__
35: 0000000000000710 0 FUNC LOCAL DEFAULT 13 deregister_tm_clones
36: 0000000000000740 0 FUNC LOCAL DEFAULT 13 register_tm_clones
37: 0000000000000780 0 FUNC LOCAL DEFAULT 13 __do_global_dtors_aux
38: 000000000020103c 1 OBJECT LOCAL DEFAULT 26 completed.6137
39: 0000000000200dd8 0 OBJECT LOCAL DEFAULT 19 __do_global_dtors_aux_fini_array_entry
40: 00000000000007c0 0 FUNC LOCAL DEFAULT 13 frame_dummy
41: 0000000000200dd0 0 OBJECT LOCAL DEFAULT 18 __frame_dummy_init_array_entry
42: 0000000000000000 0 FILE LOCAL DEFAULT ABS foo.c
43: 0000000000000000 0 FILE LOCAL DEFAULT ABS bar.c
44: 0000000000201034 4 OBJECT LOCAL DEFAULT 25 b1
45: 0000000000000814 20 FUNC LOCAL DEFAULT 13 foo
46: 0000000000000000 0 FILE LOCAL DEFAULT ABS crtstuff.c
47: 0000000000000a58 0 OBJECT LOCAL DEFAULT 17 __FRAME_END__
48: 0000000000200de0 0 OBJECT LOCAL DEFAULT 20 __JCR_END__
49: 0000000000000000 0 FILE LOCAL DEFAULT ABS
50: 0000000000200dd8 0 NOTYPE LOCAL DEFAULT 18 __init_array_end
51: 0000000000200df0 0 OBJECT LOCAL DEFAULT 22 _DYNAMIC
52: 0000000000200dd0 0 NOTYPE LOCAL DEFAULT 18 __init_array_start
53: 0000000000201000 0 OBJECT LOCAL DEFAULT 24 _GLOBAL_OFFSET_TABLE_
54: 00000000000008f0 2 FUNC GLOBAL DEFAULT 13 __libc_csu_fini
55: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF _ITM_deregisterTMCloneTable
56: 0000000000201030 0 NOTYPE WEAK DEFAULT 25 data_start
57: 000000000020103c 0 NOTYPE GLOBAL DEFAULT 25 _edata
58: 0000000000000828 44 FUNC GLOBAL DEFAULT 13 bar
59: 00000000000008f4 0 FUNC GLOBAL DEFAULT 14 _fini
60: 0000000000000000 0 FUNC GLOBAL DEFAULT UNDEF __libc_start_main@@GLIBC_2.2.5
61: 0000000000201030 0 NOTYPE GLOBAL DEFAULT 25 __data_start
62: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF __gmon_start__
63: 0000000000200de8 0 OBJECT GLOBAL HIDDEN 21 __dso_handle
64: 0000000000000900 4 OBJECT GLOBAL DEFAULT 15 _IO_stdin_used
65: 0000000000201038 4 OBJECT GLOBAL DEFAULT 25 b2
66: 0000000000000860 137 FUNC GLOBAL DEFAULT 13 __libc_csu_init
67: 0000000000201040 0 NOTYPE GLOBAL DEFAULT 26 _end
68: 00000000000006e0 0 FUNC GLOBAL DEFAULT 13 _start
69: 000000000020103c 0 NOTYPE GLOBAL DEFAULT 26 __bss_start
70: 00000000000007f0 35 FUNC GLOBAL DEFAULT 13 main
71: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF _Jv_RegisterClasses
72: 0000000000201040 0 OBJECT GLOBAL HIDDEN 25 __TMC_END__
73: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF _ITM_registerTMCloneTable
74: 0000000000000000 0 FUNC WEAK DEFAULT UNDEF __cxa_finalize@@GLIBC_2.2.5
75: 0000000000000680 0 FUNC GLOBAL DEFAULT 11 _init
EOF
cat > testfile.minsym.in <<\EOF
Symbol table [28] '.symtab' contains 40 entries:
36 local symbols String table: [29] '.strtab'
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UNDEF
1: 0000000000000710 0 FUNC LOCAL DEFAULT 13 deregister_tm_clones
2: 0000000000000740 0 FUNC LOCAL DEFAULT 13 register_tm_clones
3: 0000000000000780 0 FUNC LOCAL DEFAULT 13 __do_global_dtors_aux
4: 0000000000200dd8 0 OBJECT LOCAL DEFAULT 19 __do_global_dtors_aux_fini_array_entry
5: 00000000000007c0 0 FUNC LOCAL DEFAULT 13 frame_dummy
6: 0000000000200dd0 0 OBJECT LOCAL DEFAULT 18 __frame_dummy_init_array_entry
7: 0000000000000814 20 FUNC LOCAL DEFAULT 13 foo
8: 0000000000200dd8 0 NOTYPE LOCAL DEFAULT 18 __init_array_end
9: 0000000000200dd0 0 NOTYPE LOCAL DEFAULT 18 __init_array_start
10: 0000000000000238 0 SECTION LOCAL DEFAULT 1
11: 0000000000000254 0 SECTION LOCAL DEFAULT 2
12: 0000000000000274 0 SECTION LOCAL DEFAULT 3
13: 0000000000000298 0 SECTION LOCAL DEFAULT 4
14: 00000000000002d8 0 SECTION LOCAL DEFAULT 5
15: 0000000000000428 0 SECTION LOCAL DEFAULT 6
16: 00000000000004f2 0 SECTION LOCAL DEFAULT 7
17: 0000000000000510 0 SECTION LOCAL DEFAULT 8
18: 0000000000000530 0 SECTION LOCAL DEFAULT 9
19: 0000000000000638 0 SECTION LOCAL DEFAULT 10
20: 0000000000000680 0 SECTION LOCAL DEFAULT 11
21: 00000000000006a0 0 SECTION LOCAL DEFAULT 12
22: 00000000000006e0 0 SECTION LOCAL DEFAULT 13
23: 00000000000008f4 0 SECTION LOCAL DEFAULT 14
24: 0000000000000900 0 SECTION LOCAL DEFAULT 15
25: 0000000000000904 0 SECTION LOCAL DEFAULT 16
26: 0000000000000948 0 SECTION LOCAL DEFAULT 17
27: 0000000000200dd0 0 SECTION LOCAL DEFAULT 18
28: 0000000000200dd8 0 SECTION LOCAL DEFAULT 19
29: 0000000000200de0 0 SECTION LOCAL DEFAULT 20
30: 0000000000200de8 0 SECTION LOCAL DEFAULT 21
31: 0000000000200df0 0 SECTION LOCAL DEFAULT 22
32: 0000000000200fc0 0 SECTION LOCAL DEFAULT 23
33: 0000000000201000 0 SECTION LOCAL DEFAULT 24
34: 0000000000201030 0 SECTION LOCAL DEFAULT 25
35: 000000000020103c 0 SECTION LOCAL DEFAULT 26
36: 0000000000000828 44 FUNC GLOBAL DEFAULT 13 bar
37: 00000000000008f4 0 FUNC GLOBAL DEFAULT 14 _fini
38: 00000000000006e0 0 FUNC GLOBAL DEFAULT 13 _start
39: 0000000000000680 0 FUNC GLOBAL DEFAULT 11 _init
EOF
# Display all symbol tables.
cat testfile.dynsym.in testfile.symtab.in \
| testrun_compare ${abs_top_builddir}/src/readelf -s testfilebaztab
# Display just .dynsym
cat testfile.dynsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf \
--symbols=.dynsym testfilebaztab
cat testfile.dynsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf \
--dyn-syms testfilebaztab
# Display just .symtab
cat testfile.symtab.in \
| testrun_compare ${abs_top_builddir}/src/readelf \
--symbols=.symtab testfilebaztab
cat testfile.dynsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf -s testfilebazdbg
cat testfile.symtab.in \
| testrun_compare ${abs_top_builddir}/src/readelf -s testfilebazdbg.debug
cat testfile.dynsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf -s testfilebazdyn
cat testfile.dynsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf -s testfilebazmdb
cat testfile.minsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf --elf-section -s testfilebazmdb
cat testfile.dynsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf -s testfilebazmin
cat testfile.minsym.in \
| testrun_compare ${abs_top_builddir}/src/readelf --elf-section -s testfilebazmin
testrun_compare ${abs_top_builddir}/src/readelf -s testfilebasmin <<EOF
EOF
testrun_compare ${abs_top_builddir}/src/readelf --elf-section -s testfilebasmin <<\EOF
Symbol table [ 6] '.symtab' contains 9 entries:
6 local symbols String table: [ 7] '.strtab'
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UNDEF
1: 0000000000400168 18 FUNC LOCAL DEFAULT 2 foo
2: 0000000000400120 0 SECTION LOCAL DEFAULT 1
3: 0000000000400144 0 SECTION LOCAL DEFAULT 2
4: 00000000004001c0 0 SECTION LOCAL DEFAULT 3
5: 0000000000600258 0 SECTION LOCAL DEFAULT 4
6: 00000000004001a8 21 FUNC GLOBAL DEFAULT 2 _start
7: 0000000000400144 33 FUNC GLOBAL DEFAULT 2 main
8: 000000000040017a 44 FUNC GLOBAL DEFAULT 2 bar
EOF
testrun_compare ${abs_top_builddir}/src/readelf -s testfilebaxmin <<EOF
Symbol table [ 5] '.dynsym' contains 3 entries:
1 local symbol String table: [ 6] '.dynstr'
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UNDEF
1: 0000000000000000 0 FUNC GLOBAL DEFAULT UNDEF __libc_start_main@GLIBC_2.2.5 (2)
2: 0000000000000000 0 NOTYPE WEAK DEFAULT UNDEF __gmon_start__
EOF
testrun_compare ${abs_top_builddir}/src/readelf --elf-section -s testfilebaxmin <<\EOF
Symbol table [27] '.symtab' contains 42 entries:
35 local symbols String table: [28] '.strtab'
Num: Value Size Type Bind Vis Ndx Name
0: 0000000000000000 0 NOTYPE LOCAL DEFAULT UNDEF
1: 0000000000400430 0 FUNC LOCAL DEFAULT 13 deregister_tm_clones
2: 0000000000400460 0 FUNC LOCAL DEFAULT 13 register_tm_clones
3: 00000000004004a0 0 FUNC LOCAL DEFAULT 13 __do_global_dtors_aux
4: 0000000000600e18 0 OBJECT LOCAL DEFAULT 19 __do_global_dtors_aux_fini_array_entry
5: 00000000004004c0 0 FUNC LOCAL DEFAULT 13 frame_dummy
6: 0000000000600e10 0 OBJECT LOCAL DEFAULT 18 __frame_dummy_init_array_entry
7: 00000000004004f0 20 FUNC LOCAL DEFAULT 13 foo
8: 0000000000600e18 0 NOTYPE LOCAL DEFAULT 18 __init_array_end
9: 0000000000600e10 0 NOTYPE LOCAL DEFAULT 18 __init_array_start
10: 0000000000400238 0 SECTION LOCAL DEFAULT 1
11: 0000000000400254 0 SECTION LOCAL DEFAULT 2
12: 0000000000400274 0 SECTION LOCAL DEFAULT 3
13: 0000000000400298 0 SECTION LOCAL DEFAULT 4
14: 00000000004002b8 0 SECTION LOCAL DEFAULT 5
15: 0000000000400300 0 SECTION LOCAL DEFAULT 6
16: 0000000000400338 0 SECTION LOCAL DEFAULT 7
17: 0000000000400340 0 SECTION LOCAL DEFAULT 8
18: 0000000000400360 0 SECTION LOCAL DEFAULT 9
19: 0000000000400378 0 SECTION LOCAL DEFAULT 10
20: 00000000004003a8 0 SECTION LOCAL DEFAULT 11
21: 00000000004003d0 0 SECTION LOCAL DEFAULT 12
22: 0000000000400400 0 SECTION LOCAL DEFAULT 13
23: 00000000004005c4 0 SECTION LOCAL DEFAULT 14
24: 00000000004005d0 0 SECTION LOCAL DEFAULT 15
25: 00000000004005e0 0 SECTION LOCAL DEFAULT 16
26: 0000000000400628 0 SECTION LOCAL DEFAULT 17
27: 0000000000600e10 0 SECTION LOCAL DEFAULT 18
28: 0000000000600e18 0 SECTION LOCAL DEFAULT 19
29: 0000000000600e20 0 SECTION LOCAL DEFAULT 20
30: 0000000000600e28 0 SECTION LOCAL DEFAULT 21
31: 0000000000600ff8 0 SECTION LOCAL DEFAULT 22
32: 0000000000601000 0 SECTION LOCAL DEFAULT 23
33: 0000000000601028 0 SECTION LOCAL DEFAULT 24
34: 0000000000601034 0 SECTION LOCAL DEFAULT 25
35: 00000000004005c0 2 FUNC GLOBAL DEFAULT 13 __libc_csu_fini
36: 0000000000400504 40 FUNC GLOBAL DEFAULT 13 bar
37: 00000000004005c4 0 FUNC GLOBAL DEFAULT 14 _fini
38: 0000000000400550 101 FUNC GLOBAL DEFAULT 13 __libc_csu_init
39: 0000000000400400 0 FUNC GLOBAL DEFAULT 13 _start
40: 000000000040052c 35 FUNC GLOBAL DEFAULT 13 main
41: 00000000004003a8 0 FUNC GLOBAL DEFAULT 11 _init
EOF
exit 0