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

   1 #   Copyright 2006
   2 #   Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # Test setting breakpoints on shared library functions provided by more
  19 # than one shared library, when one of the implementations is a "weak"
  20 # symbol.  GDB should set a breakpoint at the first copy it finds.
  21
  22 # Don't try to run shared library test cases on a remote target for now.
  23 if ![isnative] then {
  24     return 0
  25 }
  26
  27 # This test uses GCC-specific syntax.
  28 if [get_compiler_info not-used] {
  29     return -1
  30 }
  31
  32 if {![test_compiler_info "gcc-*"]} {
  33     return 0
  34 }
  35
  36 proc do_test { lib1opts lib2opts lib1first } {
  37     global objdir srcdir subdir
  38
  39     set testopts ""
  40     if {$lib1opts == ""} {
  41         append testopts "lib1 nodebug, "
  42     } else {
  43         append testopts "lib1 debug, "
  44     }
  45     if {$lib2opts == ""} {
  46         append testopts "lib2 nodebug, "
  47     } else {
  48         append testopts "lib2 debug, "
  49     }
  50     if {$lib1first} {
  51         append testopts "lib1 first"
  52     } else {
  53         append testopts "lib2 first"
  54     }
  55
  56     set testfile "solib-weak"
  57     set srcfile ${testfile}.c
  58     set binfile ${objdir}/${subdir}/${testfile}
  59
  60     set libfile1 "weaklib1"
  61     set libfile2 "weaklib2"
  62     set lib1src ${srcdir}/${subdir}/${libfile1}.c
  63     set lib2src ${srcdir}/${subdir}/${libfile2}.c
  64     set lib1 ${objdir}/${subdir}/${libfile1}.sl
  65     set lib2 ${objdir}/${subdir}/${libfile2}.sl
  66
  67     if $lib1first {
  68         set exec_opts [list debug shlib=${lib1} shlib=${lib2}]
  69         set expected_file ${libfile1}
  70     } else {
  71         set exec_opts [list debug shlib=${lib2} shlib=${lib1}]
  72         set expected_file ${libfile2}
  73     }
  74
  75     if { [gdb_compile_shlib ${lib1src} ${lib1} ${lib1opts}] != ""
  76          || [gdb_compile_shlib ${lib2src} ${lib2} ${lib2opts}] != ""
  77          || [gdb_compile "${srcdir}/${subdir}/${srcfile}" ${binfile} executable $exec_opts] != ""} {
  78         return -1
  79     }
  80
  81     gdb_exit
  82     gdb_start
  83     gdb_reinitialize_dir $srcdir/$subdir
  84     gdb_load ${binfile}
  85
  86     runto_main
  87
  88     gdb_breakpoint "bar"
  89
  90     # If the library which will be used is compiled without debugging
  91     # information, GDB will pick the wrong copy of "bar", i.e. the one
  92     # with debugging information.
  93
  94     if {(${lib1opts} == "" && ${lib2opts} != "" && ${lib1first} == 1)
  95         || (${lib1opts} != "" && ${lib2opts} == "" && ${lib1first} == 0)} {
  96         setup_kfail *-*-* gdb/1824
  97     }
  98
  99     gdb_test "continue" "Breakpoint .* bar .*${expected_file}\\..*" \
 100         "run to breakpoint - $testopts"
 101 }
 102
 103 foreach lib1opts {{} {debug}} {
 104     foreach lib2opts {{} {debug}} {
 105         foreach lib1first {1 0} {
 106             do_test $lib1opts $lib2opts $lib1first
 107         }
 108     }
 109 }