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

   1 #   Copyright 2006-2014 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 3 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, see <http://www.gnu.org/licenses/>.
  15
  16 # Test setting breakpoints on shared library functions provided by more
  17 # than one shared library, when one of the implementations is a "weak"
  18 # symbol.  GDB should set a breakpoint at the first copy it finds.
  19
  20 if {[skip_shlib_tests]} {
  21     return 0
  22 }
  23
  24 # These targets have shared libraries, but weak symbols are not meaningful.
  25 if {([istarget arm*-*-symbianelf*]
  26      || [istarget *-*-mingw*]
  27      || [istarget *-*-cygwin*]
  28      || [istarget *-*-pe*])} {
  29     return 0
  30 }
  31
  32 # This test uses GCC-specific syntax.
  33 if [get_compiler_info] {
  34     return -1
  35 }
  36
  37 if {![test_compiler_info "gcc-*"]} {
  38     return 0
  39 }
  40
  41 proc do_test { lib1opts lib2opts lib1first } {
  42     global srcdir subdir
  43
  44     set testfile "solib-weak"
  45     set srcfile ${testfile}.c
  46
  47     set libfile1 "weaklib1"
  48     set libfile2 "weaklib2"
  49     set lib1src ${srcdir}/${subdir}/${libfile1}.c
  50     set lib2src ${srcdir}/${subdir}/${libfile2}.c
  51
  52     # Select a unique name for this test.  Give each library and
  53     # executable a name reflecting its options, so that file caching
  54     # on the target system does not pick up the wrong file.
  55     set testopts ""
  56     if {$lib1opts == ""} {
  57         append testopts "lib1 nodebug, "
  58     } else {
  59         append testopts "lib1 debug, "
  60         append lib1 "-dbg"
  61     }
  62     if {$lib2opts == ""} {
  63         append testopts "lib2 nodebug, "
  64     } else {
  65         append testopts "lib2 debug, "
  66         append lib2 "-dbg"
  67     }
  68     if {$lib1first} {
  69         append testopts "lib1 first"
  70     } else {
  71         append testopts "lib2 first"
  72         append testfile "-lib2"
  73     }
  74
  75     set binfile [standard_output_file ${testfile}]
  76     set lib1 [standard_output_file ${libfile1}.sl]
  77     set lib2 [standard_output_file ${libfile2}.sl]
  78
  79     if $lib1first {
  80         set exec_opts [list debug shlib=${lib1} shlib=${lib2}]
  81         set expected_file ${libfile1}
  82     } else {
  83         set exec_opts [list debug shlib=${lib2} shlib=${lib1}]
  84         set expected_file ${libfile2}
  85     }
  86
  87     if { [gdb_compile_shlib ${lib1src} ${lib1} ${lib1opts}] != ""
  88          || [gdb_compile_shlib ${lib2src} ${lib2} ${lib2opts}] != ""
  89          || [gdb_compile "${srcdir}/${subdir}/${srcfile}" ${binfile} executable $exec_opts] != ""} {
  90         return -1
  91     }
  92
  93     gdb_exit
  94     gdb_start
  95     gdb_reinitialize_dir $srcdir/$subdir
  96     gdb_load ${binfile}
  97     gdb_load_shlibs $lib1 $lib2
  98
  99     runto_main
 100
 101     gdb_breakpoint "bar"
 102
 103     gdb_test "continue" "Breakpoint .* \\.?bar .*${expected_file}\\..*" \
 104         "run to breakpoint - $testopts"
 105 }
 106
 107 foreach lib1opts {{} {debug}} {
 108     foreach lib2opts {{} {debug}} {
 109         foreach lib1first {1 0} {
 110             do_test $lib1opts $lib2opts $lib1first
 111         }
 112     }
 113 }