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 [is_stmt_addresses $srcfile]
  83
  84 # Get the next instruction address.
  85 set next_insn_addr ""
  86 set test "get next insn"
  87 gdb_test_multiple {x/2i $pc} "$test" {
  88     -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
  89         set next_insn_addr $expect_out(1,string)
  90         pass $gdb_test_name
  91     }
  92 }
  93 set next_insn_is_stmt [hex_in_list $next_insn_addr $is_stmt]
  94
  95 if { $next_insn_is_stmt } {
  96     set prefix ""
  97 } else {
  98     # The current PC is printed out.
  99     set prefix "0x0*$next_insn_addr.*"
 100 }
 101 test_background "stepi&" "" ".*$prefix x = 5; .*"
 102
 103 # Get the next instruction address.
 104 set next_insn_addr ""
 105 set test "get next insn, 2nd"
 106 gdb_test_multiple {x/2i $pc} "$test" {
 107     -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
 108         set next_insn_addr $expect_out(1,string)
 109         pass $gdb_test_name
 110     }
 111 }
 112 set next_insn_is_stmt \
 113     [expr [lsearch -regexp $is_stmt 0x0*$next_insn_addr] != -1]
 114
 115 if { $next_insn_is_stmt } {
 116     set prefix ""
 117 } else {
 118     # The current PC is printed out.
 119     set prefix "0x0*$next_insn_addr.*"
 120 }
 121 # We nexti into the same source line.
 122 test_background "nexti&" "" ".*$prefix x = 5; .*"
 123
 124 if { $next_insn_is_stmt } {
 125     set prefix ""
 126 } else {
 127     # PC is in the middle of a source line, so the PC address is displayed.
 128     set prefix "0x0*$next_insn_addr in "
 129 }
 130 test_background "finish&" \
 131     "Run till exit from #0  ${prefix}foo \\(\\) at.*async.c.*\r\n" \
 132     ".*$hex in main \\(\\) at.*async.c.*y = foo \\(\\).*Value returned is.*= 8.*"
 133
 134 set jump_here [gdb_get_line_number "jump here"]
 135 test_background "jump $jump_here&" \
 136     ".*Continuing at $hex.*" \
 137     ".*Breakpoint 2, baz \\(\\) at.*async.c.*return 5.*" \
 138     "jump&"
 139
 140 set until_here [gdb_get_line_number "until here"]
 141 test_background "until $until_here&" \
 142     ".*" \
 143     ".*$hex in main \\(\\) at.*async.c.*y = baz \\(\\).*" \
 144     "until&"
 145
 146 gdb_test_no_output "set exec-done-display off"