gdb/testsuite/gdb.base/async.exp

   1 #   Copyright 1999-2020 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
  17 #
  18 # test running programs
  19 #
  20
  21 standard_testfile
  22
  23 if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
  24     return -1
  25 }
  26
  27 #
  28 # set it up at a breakpoint so we can play with it
  29 #
  30 if ![runto_main] then {
  31     perror "couldn't run to breakpoint"
  32     continue
  33 }
  34
  35 gdb_test "break baz" ".*" ""
  36
  37 #
  38 # Make sure we get a 'completed' message when the target is done.
  39 #
  40 gdb_test_no_output "set exec-done-display on"
  41
  42 # Test a background execution command.  COMMAND is the command to
  43 # send.  BEFORE_PROMPT is the pattern expected before the GDB prompt
  44 # is output.  AFTER_PROMPT is the pattern expected after the prompt
  45 # and before "completed".  MESSAGE is optional, and is the pass/fail
  46 # message to br printed.  If omitted, then the command string is used
  47 # as message.
  48 proc test_background {command before_prompt after_prompt {message ""}} {
  49     global gdb_prompt
  50
  51     if {$message eq ""} {
  52         set message $command
  53     }
  54
  55     send_gdb "$command\n"
  56     gdb_expect {
  57         -re "^$command\r\n${before_prompt}${gdb_prompt}${after_prompt}completed\.\r\n" {
  58             pass "$message"
  59             return 0
  60         }
  61         -re "$gdb_prompt.*completed\.\r\n" {
  62             fail "$message"
  63         }
  64         -re ".*Asynchronous execution not supported on this target\..*" {
  65             unsupported "asynchronous execution not supported: $message"
  66         }
  67         timeout  {
  68             fail "$message (timeout)"
  69         }
  70     }
  71     return -1
  72 }
  73
  74 if {[test_background "next&" "" ".*z = 9.*"] < 0} {
  75     return
  76 }
  77
  78 test_background "step&" "" ".*y = foo \\(\\).*" "step& #1"
  79
  80 test_background "step&" "" " foo \\(\\) at .*async.c.*x = 5.*" "step& #2"
  81
  82 set is_stmt [list]
  83 gdb_test_multiple "maint info line-table async.c" "" {
  84     -re "\r\n$decimal\[ \t\]+$decimal\[ \t\]+($hex)\[ \t\]+Y\[^\r\n\]*" {
  85         lappend is_stmt $expect_out(1,string)
  86         exp_continue
  87     }
  88     -re -wrap "" {
  89         pass $gdb_test_name
  90     }
  91 }
  92
  93 # Get the next instruction address.
  94 set next_insn_addr ""
  95 set test "get next insn"
  96 gdb_test_multiple {x/2i $pc} "$test" {
  97     -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
  98         set next_insn_addr $expect_out(1,string)
  99         pass "$test"
 100     }
 101 }
 102 set next_insn_is_stmt \
 103     [expr [lsearch -regexp $is_stmt 0x0*$next_insn_addr] != -1]
 104
 105 if { $next_insn_is_stmt } {
 106     set prefix ""
 107 } else {
 108     # The current PC is printed out.
 109     set prefix "0x0*$next_insn_addr.*"
 110 }
 111 test_background "stepi&" "" ".*$prefix x = 5; .*"
 112
 113 # Get the next instruction address.
 114 set next_insn_addr ""
 115 set test "get next insn"
 116 gdb_test_multiple {x/2i $pc} "$test" {
 117     -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
 118         set next_insn_addr $expect_out(1,string)
 119         pass "$test"
 120     }
 121 }
 122 set next_insn_is_stmt \
 123     [expr [lsearch -regexp $is_stmt 0x0*$next_insn_addr] != -1]
 124
 125 if { $next_insn_is_stmt } {
 126     set prefix ""
 127 } else {
 128     # The current PC is printed out.
 129     set prefix "0x0*$next_insn_addr.*"
 130 }
 131 # We nexti into the same source line.
 132 test_background "nexti&" "" ".*$prefix x = 5; .*"
 133
 134 if { $next_insn_is_stmt } {
 135     set prefix ""
 136 } else {
 137     # PC is in the middle of a source line, so the PC address is displayed.
 138     set prefix "0x0*$next_insn_addr in "
 139 }
 140 test_background "finish&" \
 141     "Run till exit from #0  ${prefix}foo \\(\\) at.*async.c.*\r\n" \
 142     ".*$hex in main \\(\\) at.*async.c.*y = foo \\(\\).*Value returned is.*= 8.*"
 143
 144 set jump_here [gdb_get_line_number "jump here"]
 145 test_background "jump $jump_here&" \
 146     ".*Continuing at $hex.*" \
 147     ".*Breakpoint 2, baz \\(\\) at.*async.c.*return 5.*" \
 148     "jump&"
 149
 150 set until_here [gdb_get_line_number "until here"]
 151 test_background "until $until_here&" \
 152     ".*" \
 153     ".*$hex in main \\(\\) at.*async.c.*y = baz \\(\\).*" \
 154     "until&"
 155
 156 gdb_test_no_output "set exec-done-display off"