gdb/testsuite/gdb.base/dup-sect.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2010-2023 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Test inappropriate offseting of multiple sections with the same name.
  19 # When kept in object file (before final executable link) it still works.
  20 # When separate debug info file is not used it still works.
  21 # When the ELF symbol table is kept in the main binary it still works.
  22 # Used .S file as in .c file we would need __attriute__((section)) which is
  23 # a GCC extension.
  24
  25 # This test can only be run on targets which support ELF and use gas.
  26 # For now pick a sampling of likely targets.
  27 if {![istarget *-*-linux*]
  28     && ![istarget *-*-gnu*]
  29     && ![istarget *-*-elf*]
  30     && ![istarget arm*-*-eabi*]
  31     && ![istarget powerpc-*-eabi*]} {
  32     return 0
  33 }
  34
  35 standard_testfile .S
  36 set srcmainfile start.c
  37 set executable ${testfile}
  38
  39 if {[build_executable ${testfile}.exp $executable [list ${srcfile} ${srcmainfile}] {}] == -1} {
  40     return -1
  41 }
  42
  43 set test "rename section"
  44 set objcopy_program [gdb_find_objcopy]
  45 set result [catch "exec $objcopy_program --rename-section sect2=sect1 $binfile" output]
  46 verbose "result is $result"
  47 verbose "output is $output"
  48 if {$result != 0} {
  49     fail $test
  50     return
  51 }
  52 pass $test
  53
  54 set test "split"
  55 if {[gdb_gnu_strip_debug $binfile] != 0} {
  56     fail $test
  57 } else {
  58     pass $test
  59 }
  60
  61 # gdb_gnu_strip_debug uses only --strip-debug and keeps the ELF symbol table
  62 # in $binfile.
  63 set test "strip"
  64 set strip_program [transform strip]
  65 set result [catch "exec $strip_program $binfile" output]
  66 verbose "result is $result"
  67 verbose "output is $output"
  68 if {$result != 0} {
  69     fail $test
  70     return
  71 }
  72 pass $test
  73
  74 clean_restart $executable
  75
  76 gdb_test "p/d *(const char *) &var1" " = 1" "var1 after strip"
  77 gdb_test "p/d *(const char *) &var2" " = 2" "var2 after strip"