gdb/testsuite/gdb.ada/exec_changed.exp

   1 # Copyright 2005-2022 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 [use_gdb_stub] {
  23     untested "skipping tests due to use_gdb_stub"
  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 set readnow_p [readnow ${common_binfile}]
  55
  56 # Start the program, we should land in the program main procedure
  57 if { [gdb_start_cmd] < 0 } {
  58     untested start
  59     return -1
  60 }
  61
  62 gdb_test "" \
  63          "first \\(\\) at .*first.adb.*" \
  64          "start first"
  65
  66 # Restore first executable to its original name, and move
  67 # second executable into its place.  Ensure that the new
  68 # executable is at least a second newer than the old.
  69
  70 gdb_test "shell mv ${common_binfile} ${binfile}" ".*" ""
  71 gdb_test "shell mv ${binfile2} ${common_binfile}" ".*" ""
  72 gdb_test "shell sleep 1" ".*" ""
  73 gdb_test "shell touch ${common_binfile}" ".*" ""
  74
  75 # Start the program a second time, GDB should land in procedure Second
  76 # this time.
  77
  78 if { [gdb_start_cmd] < 0 } {
  79     fail "start second"
  80 } else {
  81     if { $readnow_p } {
  82         setup_kfail "gdb/26800" *-*-*
  83     }
  84     gdb_test "" \
  85              "second \\(\\) at .*second.adb.*" \
  86              "start second"
  87 }
  88
  89 # Try again, this time with just changing the file time of first.
  90
  91 clean_restart "${binfile}$EXEEXT"
  92
  93 # Ensure we don't accidently use the main symbol cache.
  94 gdb_test_no_output "mt set symbol-cache-size 0"
  95
  96 # Put something in the symbol lookup cache that will get looked up when
  97 # starting after having re-read symbols.  PR 17855.
  98 gdb_breakpoint break_me
  99
 100 gdb_test "shell touch ${binfile}$EXEEXT" ".*" ""
 101 gdb_test "shell sleep 1" ".*" ""
 102
 103 if { [gdb_start_cmd] < 0 } {
 104     # PR 17855: At this point gdb may have crashed or gotten an internal
 105     # error, but we still need to detect this.  Just issue any simple command
 106     # to verify gdb is still running.  This will establish in gdb.log whether
 107     # gdb is still running.
 108     gdb_test_no_output "set \$check_gdb_running = 0" "check gdb running"
 109     fail "start just first"
 110 } else {
 111     if { $readnow_p } {
 112         setup_kfail "gdb/26800" *-*-*
 113     }
 114     gdb_test "" \
 115         "first \\(\\) at .*first.adb.*" \
 116         "start just first"
 117 }