gdb/testsuite/gdb.base/unload.exp

   1 #   Copyright 2003, 2004, 2005, 2007, 2008, 2009, 2010
   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 3 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, see <http://www.gnu.org/licenses/>.
  16
  17 # This file was created by Jeff Johnston. (jjohnstn@redhat.com)
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 #
  24 # test running programs
  25 #
  26 set prms_id 0
  27 set bug_id 0
  28
  29 if {[skip_shlib_tests]} {
  30     return 0
  31 }
  32
  33 # TODO: Use LoadLibrary on this target instead of dlopen.
  34 if {[istarget arm*-*-symbianelf*]} {
  35     return 0
  36 }
  37
  38 set testfile "unload"
  39 set libfile "unloadshr"
  40 set libfile2 "unloadshr2"
  41 set libname "${libfile}.sl"
  42 set libname2 "${libfile2}.sl"
  43 set libsrcfile ${libfile}.c
  44 set libsrcfile2 ${libfile2}.c
  45 set srcfile $srcdir/$subdir/$testfile.c
  46 set binfile $objdir/$subdir/$testfile
  47 set shlibdir ${objdir}/${subdir}
  48 set libsrc  $srcdir/$subdir/$libfile.c
  49 set libsrc2  $srcdir/$subdir/$libfile2.c
  50 set lib_sl  $objdir/$subdir/$libname
  51 set lib_sl2  $objdir/$subdir/$libname2
  52
  53 if [get_compiler_info ${binfile}] {
  54     return -1
  55 }
  56
  57 set lib_opts debug
  58 set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME\=\"${libname}\" additional_flags=-DSHLIB_NAME2\=\"${libname2}\"]
  59
  60 if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
  61      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
  62      || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
  63     untested "Couldn't compile $libsrc or $libsrc2 or $srcfile."
  64     return -1
  65 }
  66
  67 # Start with a fresh gdb.
  68
  69 gdb_exit
  70 gdb_start
  71 gdb_reinitialize_dir $srcdir/$subdir
  72 gdb_load ${binfile}
  73 gdb_load_shlibs $lib_sl $lib_sl2
  74
  75 if [target_info exists gdb_stub] {
  76     gdb_step_for_stub;
  77 }
  78
  79 #
  80 # Test setting a breakpoint in a dynamically loaded library which is
  81 # manually loaded and unloaded
  82 #
  83
  84 gdb_breakpoint "shrfunc1" allow-pending
  85 gdb_breakpoint "shrfunc2" allow-pending
  86
  87 gdb_test "info break" \
  88     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
  89 1\[\t \]+breakpoint     keep y *<PENDING> *shrfunc1\r?
  90 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2" \
  91 "pending breakpoint info before run"
  92
  93 set unloadshr_line [gdb_get_line_number "unloadshr break" ${libsrcfile}]
  94
  95 gdb_run_cmd
  96 gdb_test "" \
  97 "Breakpoint 1, shrfunc1 \\\(x=1\\\).*${libsrcfile}:$unloadshr_line.*" \
  98 "running program"
  99
 100 gdb_test "info break" \
 101     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
 102 1\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc1 at .*
 103 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2.*" \
 104 "pending breakpoint info on first run at shrfunc1"
 105
 106 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-1" $testfile.c]" temporary
 107
 108 gdb_test "continue" \
 109 "Continuing.*warning: Temporarily disabling breakpoints for.*${libname}.*y-set-1.*" \
 110 "continuing to unloaded libfile"
 111
 112 gdb_test "print y" " = 10" "print y from libfile"
 113
 114 #
 115 # Try to rerun program and verify that shared breakpoint is reset properly
 116 #
 117
 118 gdb_run_cmd
 119 gdb_test "" \
 120 "Breakpoint 1, shrfunc1 \\\(x=1\\\).*${libsrcfile}:$unloadshr_line.*" \
 121 "rerun to shared library breakpoint"
 122
 123 gdb_test "info break" \
 124     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
 125 1\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc1 at .*
 126 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2.*" \
 127 "pending breakpoint info on second run at shrfunc1"
 128
 129 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-1" $testfile.c]" temporary
 130
 131 gdb_test "continue" \
 132 "Continuing.*warning: Temporarily disabling breakpoints for.*${libname}.*y-set-1.*" \
 133 "continuing to unloaded libfile"
 134
 135 set unloadshr_line2 [gdb_get_line_number "unloadshr2 break" ${libsrcfile2}]
 136
 137 gdb_test "continue" \
 138 "Breakpoint 2, shrfunc2 \\\(x=2\\\).*${libsrcfile2}:$unloadshr_line2\r\n.*" \
 139 "continue to shrfunc2"
 140
 141 gdb_test "info break" \
 142     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
 143 1\[\t \]+breakpoint     keep y *<PENDING> *shrfunc1\r?
 144 \[\t \]+breakpoint already hit \[0-9\]+ (time|times)\r?
 145 2\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc2 at .*" \
 146 "pending breakpoint info on second run at shrfunc2"
 147
 148 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-2" $testfile.c]"
 149
 150 gdb_test "continue" \
 151 "Continuing.*warning: Temporarily disabling breakpoints for.*${libname2}.*y-set-2.*" \
 152 "continuing to unloaded libfile2"
 153
 154 gdb_test "print y" " = 200" "print y from libfile2"