gdb/testsuite/gdb.ada/exec_changed.exp

   1 # Copyright 2005-2016 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 srcfile2 ${srcdir}/${subdir}/${testdir}/second.adb
  36 set binfile2 [standard_output_file second$EXEEXT]
  37
  38 if {[gdb_compile_ada "${srcfile2}" "${binfile2}" executable {debug}] != ""} {
  39     return -1
  40 }
  41
  42 # Start with a fresh gdb.
  43
  44 set common_binfile [standard_output_file common$EXEEXT]
  45
  46 gdb_start
  47 gdb_reinitialize_dir $srcdir/$subdir
  48
  49 # Load the first executable.
  50
  51 gdb_test "shell mv ${binfile} ${common_binfile}" ".*" ""
  52 gdb_load ${common_binfile}
  53
  54 # Start the program, we should land in the program main procedure
  55 if { [gdb_start_cmd] < 0 } {
  56     untested start
  57     return -1
  58 }
  59
  60 gdb_test "" \
  61          "first \\(\\) at .*first.adb.*" \
  62          "start first"
  63
  64 # Restore first executable to its original name, and move
  65 # second executable into its place.  Ensure that the new
  66 # executable is at least a second newer than the old.
  67
  68 gdb_test "shell mv ${common_binfile} ${binfile}" ".*" ""
  69 gdb_test "shell mv ${binfile2} ${common_binfile}" ".*" ""
  70 gdb_test "shell sleep 1" ".*" ""
  71 gdb_test "shell touch ${common_binfile}" ".*" ""
  72
  73 # Start the program a second time, GDB should land in procedure Second
  74 # this time.
  75
  76 if { [gdb_start_cmd] < 0 } {
  77     fail "start second"
  78 } else {
  79     gdb_test "" \
  80              "second \\(\\) at .*second.adb.*" \
  81              "start second"
  82 }
  83
  84 # Try again, this time with just changing the file time of first.
  85
  86 clean_restart "${binfile}$EXEEXT"
  87
  88 # Ensure we don't accidently use the main symbol cache.
  89 gdb_test_no_output "mt set symbol-cache-size 0"
  90
  91 # Put something in the symbol lookup cache that will get looked up when
  92 # starting after having re-read symbols.  PR 17855.
  93 gdb_breakpoint break_me
  94
  95 gdb_test "shell touch ${binfile}$EXEEXT" ".*" ""
  96 gdb_test "shell sleep 1" ".*" ""
  97
  98 if { [gdb_start_cmd] < 0 } {
  99     # PR 17855: At this point gdb may have crashed or gotten an internal
 100     # error, but we still need to detect this.  Just issue any simple command
 101     # to verify gdb is still running.  This will establish in gdb.log whether
 102     # gdb is still running.
 103     gdb_test_no_output "set \$check_gdb_running = 0" "check gdb running"
 104     fail "start just first"
 105 } else {
 106     gdb_test "" \
 107         "first \\(\\) at .*first.adb.*" \
 108         "start just first"
 109 }