gdb/testsuite/gdb.base/unload.exp

   1 #   Copyright 2003-2019 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 # This file was created by Jeff Johnston. (jjohnstn@redhat.com)
  17
  18 #
  19 # test running programs
  20 #
  21
  22 if {[skip_shlib_tests]} {
  23     return 0
  24 }
  25
  26 set testfile "unload"
  27 set libfile "unloadshr"
  28 set libfile2 "unloadshr2"
  29 set libname "${libfile}.sl"
  30 set libname2 "${libfile2}.sl"
  31 set libsrcfile ${libfile}.c
  32 set libsrcfile2 ${libfile2}.c
  33 set srcfile $srcdir/$subdir/$testfile.c
  34 set binfile [standard_output_file $testfile]
  35 set shlibdir [standard_output_file {}]
  36 set libsrc  $srcdir/$subdir/$libfile.c
  37 set libsrc2  $srcdir/$subdir/$libfile2.c
  38 set lib_sl  [standard_output_file $libname]
  39 set lib_sl2  [standard_output_file $libname2]
  40 set lib_dlopen [shlib_target_file ${libname}]
  41 set lib_dlopen2 [shlib_target_file ${libname2}]
  42 set lib_syms [shlib_symbol_file ${libname}]
  43 set lib_syms2 [shlib_symbol_file ${libname2}]
  44
  45 if [get_compiler_info] {
  46     return -1
  47 }
  48
  49 set lib_opts debug
  50 set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME=\"${lib_dlopen}\" additional_flags=-DSHLIB_NAME2=\"${lib_dlopen2}\"]
  51
  52 if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
  53      || [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""
  54      || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
  55     untested "failed to compile"
  56     return -1
  57 }
  58
  59 # Start with a fresh gdb.
  60
  61 gdb_exit
  62 gdb_start
  63 gdb_reinitialize_dir $srcdir/$subdir
  64 gdb_load ${binfile}
  65 gdb_load_shlib $lib_sl
  66 gdb_load_shlib $lib_sl2
  67
  68 #
  69 # Test setting a breakpoint in a dynamically loaded library which is
  70 # manually loaded and unloaded
  71 #
  72
  73 gdb_breakpoint "shrfunc1" allow-pending
  74 gdb_breakpoint "shrfunc2" allow-pending
  75
  76 gdb_test "info break" \
  77     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
  78 1\[\t \]+breakpoint     keep y *<PENDING> *shrfunc1\r?
  79 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2" \
  80 "pending breakpoint info before run"
  81
  82 set unloadshr_line [gdb_get_line_number "unloadshr break" ${libsrcfile}]
  83
  84 gdb_run_cmd
  85 gdb_test "" \
  86 "Breakpoint 1, shrfunc1 \\\(x=1\\\).*${libsrcfile}:$unloadshr_line.*" \
  87 "running program"
  88
  89 gdb_test "info break" \
  90     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
  91 1\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc1 at .*
  92 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2.*" \
  93 "pending breakpoint info on first run at shrfunc1"
  94
  95 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-1" $testfile.c]" temporary
  96
  97 gdb_test "continue" \
  98 "Continuing.*warning: Temporarily disabling breakpoints for.*${lib_syms}.*y-set-1.*" \
  99 "continuing to unloaded libfile"
 100
 101 gdb_test "print y" " = 10" "print y from libfile"
 102
 103 #
 104 # Try to rerun program and verify that shared breakpoint is reset properly
 105 #
 106
 107 gdb_run_cmd
 108 gdb_test "" \
 109 "Breakpoint 1, shrfunc1 \\\(x=1\\\).*${libsrcfile}:$unloadshr_line.*" \
 110 "rerun to shared library breakpoint"
 111
 112 gdb_test "info break" \
 113     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
 114 1\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc1 at .*
 115 2\[\t \]+breakpoint     keep y *<PENDING> *shrfunc2.*" \
 116 "pending breakpoint info on second run at shrfunc1"
 117
 118 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-1" $testfile.c]" temporary
 119
 120 gdb_test "continue" \
 121 "Continuing.*warning: Temporarily disabling breakpoints for.*${lib_syms}.*y-set-1.*" \
 122 "continuing to unloaded libfile"
 123
 124 set unloadshr_line2 [gdb_get_line_number "unloadshr2 break" ${libsrcfile2}]
 125
 126 gdb_test "continue" \
 127 "Breakpoint 2, shrfunc2 \\\(x=2\\\).*${libsrcfile2}:$unloadshr_line2\r\n.*" \
 128 "continue to shrfunc2"
 129
 130 gdb_test "info break" \
 131     "Num     Type\[ \]+Disp Enb Address\[ \]+What\r?
 132 1\[\t \]+breakpoint     keep y *<PENDING> *shrfunc1\r?
 133 \[\t \]+breakpoint already hit \[0-9\]+ (time|times)\r?
 134 2\[\t \]+breakpoint     keep y *0x\[0-9a-f\]+ *in shrfunc2 at .*" \
 135 "pending breakpoint info on second run at shrfunc2"
 136
 137 gdb_breakpoint "$testfile.c:[gdb_get_line_number "y-set-2" $testfile.c]"
 138
 139 gdb_test "continue" \
 140 "Continuing.*warning: Temporarily disabling breakpoints for.*${lib_syms2}.*y-set-2.*" \
 141 "continuing to unloaded libfile2"
 142
 143 gdb_test "print y" " = 200" "print y from libfile2"