#! /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 . . $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 # 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 <