gdb/testsuite/gdb.ada/exec_changed.exp

   1 # Copyright 2005-2015 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 load_lib "ada.exp"
  17
  18 if { [skip_ada_tests] } { return -1 }
  19
  20 # This testcase verifies the behavior of the `start' command, which
  21 # does not work when we use the gdb stub...
  22 if [target_info exists use_gdb_stub] {
  23     untested exec_changed.exp
  24     return
  25 }
  26
  27 standard_ada_testfile first
  28
  29 # Build the first test program (note that cygwin needs the $EXEEXT).
  30 if {[gdb_compile_ada "${srcfile}" "${binfile}$EXEEXT" executable {debug}] != ""} {
  31     return -1
  32 }
  33
  34 # Build the second test program
  35 set testfile2 "${testdir}/second"
  36 set srcfile2 ${srcdir}/${subdir}/${testfile2}.adb
  37 set binfile2 [standard_output_file ${testfile2}$EXEEXT]
  38
  39 if {[gdb_compile_ada "${srcfile2}" "${binfile2}" executable {debug}] != ""} {
  40     return -1
  41 }
  42
  43 # Start with a fresh gdb.
  44
  45 set common_binfile [standard_output_file ${testdir}/common$EXEEXT]
  46
  47 gdb_start
  48 gdb_reinitialize_dir $srcdir/$subdir
  49
  50 # Load the first executable.
  51
  52 gdb_test "shell mv ${binfile} ${common_binfile}" ".*" ""
  53 gdb_load ${common_binfile}
  54
  55 # Start the program, we should land in the program main procedure
  56 if { [gdb_start_cmd] < 0 } {
  57     untested start
  58     return -1
  59 }
  60
  61 gdb_test "" \
  62          "first \\(\\) at .*first.adb.*" \
  63          "start first"
  64
  65 # Restore first executable to its original name, and move
  66 # second executable into its place.  Ensure that the new
  67 # executable is at least a second newer than the old.
  68
  69 gdb_test "shell mv ${common_binfile} ${binfile}" ".*" ""
  70 gdb_test "shell mv ${binfile2} ${common_binfile}" ".*" ""
  71 gdb_test "shell sleep 1" ".*" ""
  72 gdb_test "shell touch ${common_binfile}" ".*" ""
  73
  74 # Start the program a second time, GDB should land in procedure Second
  75 # this time.
  76
  77 if { [gdb_start_cmd] < 0 } {
  78     fail "start second"
  79 } else {
  80     gdb_test "" \
  81              "second \\(\\) at .*second.adb.*" \
  82              "start second"
  83 }
  84
  85 # Try again, this time with just changing the file time of first.
  86
  87 clean_restart "${binfile}$EXEEXT"
  88
  89 # Ensure we don't accidently use the main symbol cache.
  90 gdb_test_no_output "mt set symbol-cache-size 0"
  91
  92 # Put something in the symbol lookup cache that will get looked up when
  93 # starting after having re-read symbols.  PR 17855.
  94 gdb_breakpoint break_me
  95
  96 gdb_test "shell touch ${binfile}$EXEEXT" ".*" ""
  97 gdb_test "shell sleep 1" ".*" ""
  98
  99 if { [gdb_start_cmd] < 0 } {
 100     # PR 17855: At this point gdb may have crashed or gotten an internal
 101     # error, but we still need to detect this.  Just issue any simple command
 102     # to verify gdb is still running.  This will establish in gdb.log whether
 103     # gdb is still running.
 104     gdb_test_no_output "set \$check_gdb_running = 0" "check gdb running"
 105     fail "start just first"
 106 } else {
 107     gdb_test "" \
 108         "first \\(\\) at .*first.adb.*" \
 109         "start just first"
 110 }