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      1 # This testcase is part of GDB, the GNU debugger.
      2 
      3 # Copyright 2010-2025 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"
     78