gdb/testsuite/gdb.ada/exec_changed.exp

   1 # Copyright 2005-2023 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 require allow_ada_tests
  19
  20 # This testcase verifies the behavior of the `start' command, which
  21 # does not work when we use the gdb stub...
  22 require !use_gdb_stub
  23
  24 standard_ada_testfile first
  25
  26 # Build the first test program (note that cygwin needs the $EXEEXT).
  27 if {[gdb_compile_ada "${srcfile}" "${binfile}$EXEEXT" executable {debug}] != ""} {
  28     return -1
  29 }
  30
  31 # Build the second test program
  32 set srcfile2 ${srcdir}/${subdir}/${testdir}/second.adb
  33 set binfile2 [standard_output_file second$EXEEXT]
  34
  35 if {[gdb_compile_ada "${srcfile2}" "${binfile2}" executable {debug}] != ""} {
  36     return -1
  37 }
  38
  39 # Start with a fresh gdb.
  40
  41 set common_binfile [standard_output_file common$EXEEXT]
  42
  43 gdb_start
  44 gdb_reinitialize_dir $srcdir/$subdir
  45
  46 # Load the first executable.
  47
  48 gdb_test "shell mv ${binfile} ${common_binfile}" "" \
  49     "shell mv \${binfile} \${common_binfile}"
  50 gdb_load ${common_binfile}
  51
  52 # Start the program, we should land in the program main procedure
  53 if { [gdb_start_cmd] < 0 } {
  54     fail start
  55     return -1
  56 }
  57
  58 gdb_test "" \
  59          "first \\(\\) at .*first.adb.*" \
  60          "start first"
  61
  62 # Restore first executable to its original name, and move
  63 # second executable into its place.  Ensure that the new
  64 # executable is at least a second newer than the old.
  65
  66 gdb_test "shell mv ${common_binfile} ${binfile}" "" \
  67     "shell mv \${common_binfile} \${binfile}"
  68 gdb_test "shell mv ${binfile2} ${common_binfile}" "" \
  69     "shell mv \${binfile2} \${common_binfile}"
  70 gdb_test "shell sleep 1" "" "shell sleep 1, once"
  71 gdb_test "shell touch ${common_binfile}" "" \
  72     "shell touch \${common_binfile}"
  73
  74 # Start the program a second time, GDB should land in procedure Second
  75 # this time.
  76
  77 if { [gdb_start_cmd] < 0 } {
  78     fail "start second"
  79 } else {
  80     gdb_test "" \
  81              "second \\(\\) at .*second.adb.*" \
  82              "start second"
  83 }
  84
  85 # Try again, this time with just changing the file time of first.
  86
  87 clean_restart "${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     "shell touch \${binfile}\$EXEEXT"
  98 gdb_test "shell sleep 1" "" "shell sleep 1, twice"
  99
 100 if { [gdb_start_cmd] < 0 } {
 101     # PR 17855: At this point gdb may have crashed or gotten an internal
 102     # error, but we still need to detect this.  Just issue any simple command
 103     # to verify gdb is still running.  This will establish in gdb.log whether
 104     # gdb is still running.
 105     gdb_test_no_output "set \$check_gdb_running = 0" "check gdb running"
 106     fail "start just first"
 107 } else {
 108     gdb_test "" \
 109         "first \\(\\) at .*first.adb.*" \
 110         "start just first"
 111 }