gdb/testsuite/gdb.base/unload.exp

   1 #   Copyright 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
   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 $tracelevel
  21 }
  22
  23 #
  24 # test running programs
  25 #
  26
  27 if {[skip_shlib_tests]} {
  28     return 0
  29 }
  30
  31 set testfile "unload"
  32 set libfile "unloadshr"
  33 set libfile2 "unloadshr2"
  34 set libname "${libfile}.sl"
  35 set libname2 "${libfile2}.sl"
  36 set libsrcfile ${libfile}.c
  37 set libsrcfile2 ${libfile2}.c
  38 set srcfile $srcdir/$subdir/$testfile.c
  39 set binfile $objdir/$subdir/$testfile
  40 set shlibdir ${objdir}/${subdir}
  41 set libsrc  $srcdir/$subdir/$libfile.c
  42 set libsrc2  $srcdir/$subdir/$libfile2.c
  43 set lib_sl  $objdir/$subdir/$libname
  44 set lib_sl2  $objdir/$subdir/$libname2
  45 set lib_dlopen [shlib_target_file ${libname}]
  46 set lib_dlopen2 [shlib_target_file ${libname2}]
  47 set lib_syms [shlib_symbol_file ${libname}]
  48 set lib_syms2 [shlib_symbol_file ${libname2}]
  49
  50 if [get_compiler_info ${binfile}] {
  51     return -1
  52 }
  53
  54 set lib_opts debug
  55 set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME\=\"${lib_dlopen}\" additional_flags=-DSHLIB_NAME2\=\"${lib_dlopen2}\"]
  56
  57 if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
  58      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
  59      || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
  60     untested "Couldn't compile $libsrc or $libsrc2 or $srcfile."
  61     return -1
  62 }
  63
  64 # Start with a fresh gdb.
  65
  66 gdb_exit
  67 gdb_start
  68 gdb_reinitialize_dir $srcdir/$subdir
  69 gdb_load ${binfile}
  70 gdb_load_shlibs $lib_sl $lib_sl2
  71
  72 if [target_info exists gdb_stub] {
  73     gdb_step_for_stub;
  74 }
  75
  76 #
  77 # Test setting a breakpoint in a dynamically loaded library which is
  78 # manually loaded and unloaded
  79 #
  80
  81 gdb_breakpoint "shrfunc1" allow-pending
  82 gdb_breakpoint "shrfunc2" allow-pending
  83
  84 gdb_test "info break" \
  85     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
  86 1\[\t \]+breakpoint     keep y *<PENDING> *shrfunc1\r?
  87 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2" \
  88 "pending breakpoint info before run"
  89
  90 set unloadshr_line [gdb_get_line_number "unloadshr break" ${libsrcfile}]
  91
  92 gdb_run_cmd
  93 gdb_test "" \
  94 "Breakpoint 1, shrfunc1 \\\(x=1\\\).*${libsrcfile}:$unloadshr_line.*" \
  95 "running program"
  96
  97 gdb_test "info break" \
  98     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
  99 1\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc1 at .*
 100 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2.*" \
 101 "pending breakpoint info on first run at shrfunc1"
 102
 103 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-1" $testfile.c]" temporary
 104
 105 gdb_test "continue" \
 106 "Continuing.*warning: Temporarily disabling breakpoints for.*${lib_syms}.*y-set-1.*" \
 107 "continuing to unloaded libfile"
 108
 109 gdb_test "print y" " = 10" "print y from libfile"
 110
 111 #
 112 # Try to rerun program and verify that shared breakpoint is reset properly
 113 #
 114
 115 gdb_run_cmd
 116 gdb_test "" \
 117 "Breakpoint 1, shrfunc1 \\\(x=1\\\).*${libsrcfile}:$unloadshr_line.*" \
 118 "rerun to shared library breakpoint"
 119
 120 gdb_test "info break" \
 121     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
 122 1\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc1 at .*
 123 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2.*" \
 124 "pending breakpoint info on second run at shrfunc1"
 125
 126 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-1" $testfile.c]" temporary
 127
 128 gdb_test "continue" \
 129 "Continuing.*warning: Temporarily disabling breakpoints for.*${lib_syms}.*y-set-1.*" \
 130 "continuing to unloaded libfile"
 131
 132 set unloadshr_line2 [gdb_get_line_number "unloadshr2 break" ${libsrcfile2}]
 133
 134 gdb_test "continue" \
 135 "Breakpoint 2, shrfunc2 \\\(x=2\\\).*${libsrcfile2}:$unloadshr_line2\r\n.*" \
 136 "continue to shrfunc2"
 137
 138 gdb_test "info break" \
 139     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
 140 1\[\t \]+breakpoint     keep y *<PENDING> *shrfunc1\r?
 141 \[\t \]+breakpoint already hit \[0-9\]+ (time|times)\r?
 142 2\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc2 at .*" \
 143 "pending breakpoint info on second run at shrfunc2"
 144
 145 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-2" $testfile.c]"
 146
 147 gdb_test "continue" \
 148 "Continuing.*warning: Temporarily disabling breakpoints for.*${lib_syms2}.*y-set-2.*" \
 149 "continuing to unloaded libfile2"
 150
 151 gdb_test "print y" " = 200" "print y from libfile2"