gdb/testsuite/gdb.base/solib-weak.exp

   1 #   Copyright 2006, 2007 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Test setting breakpoints on shared library functions provided by more
  18 # than one shared library, when one of the implementations is a "weak"
  19 # symbol.  GDB should set a breakpoint at the first copy it finds.
  20
  21 # Don't try to run shared library test cases on a remote target for now.
  22 if ![isnative] then {
  23     return 0
  24 }
  25
  26 # This test uses GCC-specific syntax.
  27 if [get_compiler_info not-used] {
  28     return -1
  29 }
  30
  31 if {![test_compiler_info "gcc-*"]} {
  32     return 0
  33 }
  34
  35 proc do_test { lib1opts lib2opts lib1first } {
  36     global objdir srcdir subdir
  37
  38     set testopts ""
  39     if {$lib1opts == ""} {
  40         append testopts "lib1 nodebug, "
  41     } else {
  42         append testopts "lib1 debug, "
  43     }
  44     if {$lib2opts == ""} {
  45         append testopts "lib2 nodebug, "
  46     } else {
  47         append testopts "lib2 debug, "
  48     }
  49     if {$lib1first} {
  50         append testopts "lib1 first"
  51     } else {
  52         append testopts "lib2 first"
  53     }
  54
  55     set testfile "solib-weak"
  56     set srcfile ${testfile}.c
  57     set binfile ${objdir}/${subdir}/${testfile}
  58
  59     set libfile1 "weaklib1"
  60     set libfile2 "weaklib2"
  61     set lib1src ${srcdir}/${subdir}/${libfile1}.c
  62     set lib2src ${srcdir}/${subdir}/${libfile2}.c
  63     set lib1 ${objdir}/${subdir}/${libfile1}.sl
  64     set lib2 ${objdir}/${subdir}/${libfile2}.sl
  65
  66     if $lib1first {
  67         set exec_opts [list debug shlib=${lib1} shlib=${lib2}]
  68         set expected_file ${libfile1}
  69     } else {
  70         set exec_opts [list debug shlib=${lib2} shlib=${lib1}]
  71         set expected_file ${libfile2}
  72     }
  73
  74     if { [gdb_compile_shlib ${lib1src} ${lib1} ${lib1opts}] != ""
  75          || [gdb_compile_shlib ${lib2src} ${lib2} ${lib2opts}] != ""
  76          || [gdb_compile "${srcdir}/${subdir}/${srcfile}" ${binfile} executable $exec_opts] != ""} {
  77         return -1
  78     }
  79
  80     gdb_exit
  81     gdb_start
  82     gdb_reinitialize_dir $srcdir/$subdir
  83     gdb_load ${binfile}
  84
  85     runto_main
  86
  87     gdb_breakpoint "bar"
  88
  89     # If the library which will be used is compiled without debugging
  90     # information, GDB will pick the wrong copy of "bar", i.e. the one
  91     # with debugging information.
  92
  93     if {(${lib1opts} == "" && ${lib2opts} != "" && ${lib1first} == 1)
  94         || (${lib1opts} != "" && ${lib2opts} == "" && ${lib1first} == 0)} {
  95         setup_kfail *-*-* gdb/1824
  96     }
  97
  98     gdb_test "continue" "Breakpoint .* bar .*${expected_file}\\..*" \
  99         "run to breakpoint - $testopts"
 100 }
 101
 102 foreach lib1opts {{} {debug}} {
 103     foreach lib2opts {{} {debug}} {
 104         foreach lib1first {1 0} {
 105             do_test $lib1opts $lib2opts $lib1first
 106         }
 107     }
 108 }