mi-exec-run.exp revision 1.1.1.3
1# Copyright 2016-2019 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# Test that -exec-run works as expected. Exercises various testing 17# axes: 18# 19# - MI running on main UI vs separate UI. 20# 21# - inferior tty set to main tty vs separate tty. 22# 23# - forking the child failing and sending output to the right inferior 24# terminal, vs the child not failing to start. 25 26load_lib mi-support.exp 27set MIFLAGS "-i=mi" 28 29# The purpose of this testcase is to test the -exec-run command. If we 30# cannot use it, then there is no point in running this testcase. 31if [use_gdb_stub] { 32 untested "cannot use -exec-run command" 33 return -1 34} 35 36standard_testfile mi-start.c 37 38if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { 39 untested "could not build mi-exec-run" 40 return -1 41} 42 43# The test proper. INFTTY_MODE determines whether "set inferior-tty" 44# is in effect. MI_MODE determines whether MI is run on the main UI, 45# or as a separate UI. FORCE_FAIL is true when we want -exec-run to 46# fail and cause inferior output be sent to the inferior tty. 47 48proc test {inftty_mode mi_mode force_fail} { 49 global srcdir subdir binfile srcfile 50 global gdb_spawn_id gdb_main_spawn_id mi_spawn_id inferior_spawn_id 51 global decimal 52 53 mi_gdb_exit 54 55 set start_ops {} 56 if {$inftty_mode == "separate"} { 57 lappend start_ops "separate-inferior-tty" 58 } 59 if {$mi_mode == "separate"} { 60 lappend start_ops "separate-mi-tty" 61 } 62 63 if [eval mi_gdb_start $start_ops] { 64 return 65 } 66 67 if {$force_fail} { 68 # Disable the shell so that its the first exec that fails, 69 # instead of the shell starting and then failing with some 70 # unspecified output. 71 mi_gdb_test "-gdb-set startup-with-shell off" ".*" 72 set bin $binfile.nox 73 } else { 74 set bin $binfile 75 } 76 77 mi_delete_breakpoints 78 mi_gdb_reinitialize_dir $srcdir/$subdir 79 mi_gdb_reinitialize_dir $srcdir/$subdir 80 mi_gdb_load ${bin} 81 82 # Useful for debugging: 83 verbose -log "Channels:" 84 verbose -log " inferior_spawn_id=$inferior_spawn_id" 85 verbose -log " gdb_spawn_id=$gdb_spawn_id" 86 verbose -log " gdb_main_spawn_id=$gdb_main_spawn_id" 87 verbose -log " mi_spawn_id=$mi_spawn_id" 88 89 if {$force_fail} { 90 set saw_perm_error 0 91 set saw_mi_error 0 92 set test "run failure detected" 93 send_gdb "-exec-run --start\n" 94 95 while {1} { 96 gdb_expect { 97 -i "$inferior_spawn_id" 98 -re ".*Cannot exec.*Permission denied" { 99 set saw_perm_error 1 100 verbose -log "saw mi error" 101 } 102 -i "$gdb_spawn_id" 103 -re "\\^error,msg=\"During startup program exited with code 127" { 104 set saw_mi_error 1 105 verbose -log "saw mi error" 106 } 107 timeout { 108 fail "$test (timeout)" 109 break 110 } 111 -i "$gdb_main_spawn_id" 112 eof { 113 fail "$test (eof)" 114 break 115 } 116 } 117 118 if {$saw_perm_error && $saw_mi_error} { 119 pass $test 120 break 121 } 122 } 123 } else { 124 mi_run_cmd "--start" 125 mi_expect_stop "breakpoint-hit" "main" "" ".*$srcfile" "$decimal" \ 126 { "" "disp=\"del\"" } "breakpoint hit reported on mi" 127 128 if {$mi_mode == "separate"} { 129 # Check that the breakpoint hit is reported on the main 130 # UI/CLI. Note no prompt is expected. 131 switch_gdb_spawn_id $gdb_main_spawn_id 132 133 set test "breakpoint hit reported on console" 134 gdb_test_multiple "" $test { 135 -re "Temporary breakpoint .*, main \\(\\) at .*$srcfile:$decimal.*return 0;" { 136 pass $test 137 } 138 } 139 140 # Switch back to the MI UI. 141 global mi_spawn_id 142 switch_gdb_spawn_id $mi_spawn_id 143 } 144 } 145} 146 147# Create a not-executable copy of the program, in order to exercise 148# vfork->exec failing. 149gdb_remote_download host $binfile $binfile.nox 150remote_spawn target "chmod \"a-x\" $binfile.nox" 151 152foreach_with_prefix inferior-tty {"main" "separate"} { 153 foreach_with_prefix mi {"main" "separate"} { 154 foreach_with_prefix force-fail {0 1} { 155 test ${inferior-tty} ${mi} ${force-fail} 156 } 157 } 158} 159