gdb/testsuite/gdb.base/async.exp

   1 #   Copyright 1999-2023 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
  17 #
  18 # test running programs
  19 #
  20
  21 standard_testfile
  22
  23 if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
  24     return -1
  25 }
  26
  27 #
  28 # set it up at a breakpoint so we can play with it
  29 #
  30 if {![runto_main]} {
  31     return
  32 }
  33
  34 gdb_test "break baz" ".*" ""
  35
  36 #
  37 # Make sure we get a 'completed' message when the target is done.
  38 #
  39 gdb_test_no_output "set exec-done-display on"
  40
  41 # Test a background execution command.  COMMAND is the command to
  42 # send.  BEFORE_PROMPT is the pattern expected before the GDB prompt
  43 # is output.  AFTER_PROMPT is the pattern expected after the prompt
  44 # and before "completed".  MESSAGE is optional, and is the pass/fail
  45 # message to br printed.  If omitted, then the command string is used
  46 # as message.
  47 proc test_background {command before_prompt after_prompt {message ""}} {
  48     global gdb_prompt
  49
  50     if {$message eq ""} {
  51         set message $command
  52     }
  53
  54     send_gdb "$command\n"
  55     gdb_expect {
  56         -re "^$command\r\n${before_prompt}${gdb_prompt}${after_prompt}completed\.\r\n" {
  57             pass "$message"
  58             return 0
  59         }
  60         -re "$gdb_prompt.*completed\.\r\n" {
  61             fail "$message"
  62         }
  63         -re ".*Asynchronous execution not supported on this target\..*" {
  64             unsupported "asynchronous execution not supported: $message"
  65         }
  66         timeout  {
  67             fail "$message (timeout)"
  68         }
  69     }
  70     return -1
  71 }
  72
  73 if {[test_background "next&" "" ".*z = 9.*"] < 0} {
  74     return
  75 }
  76
  77 test_background "step&" "" ".*y = foo \\(\\).*" "step& #1"
  78
  79 test_background "step&" "" " foo \\(\\) at .*async.c.*x = 5.*" "step& #2"
  80
  81 set is_stmt [is_stmt_addresses $srcfile]
  82
  83 # Get the next instruction address.
  84 set next_insn_addr ""
  85 set test "get next insn"
  86 gdb_test_multiple {x/2i $pc} "$test" {
  87     -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
  88         set next_insn_addr $expect_out(1,string)
  89         pass $gdb_test_name
  90     }
  91 }
  92 set next_insn_is_stmt [hex_in_list $next_insn_addr $is_stmt]
  93
  94 if { $next_insn_is_stmt } {
  95     set prefix ""
  96 } else {
  97     # The current PC is printed out.
  98     set prefix "0x0*$next_insn_addr.*"
  99 }
 100 test_background "stepi&" "" ".*$prefix x = 5; .*"
 101
 102 # Get the next instruction address.
 103 set next_insn_addr ""
 104 set test "get next insn, 2nd"
 105 gdb_test_multiple {x/2i $pc} "$test" {
 106     -re "=> $hex .* 0x(\[0-9a-f\]*) .*$gdb_prompt $" {
 107         set next_insn_addr $expect_out(1,string)
 108         pass $gdb_test_name
 109     }
 110 }
 111 set next_insn_is_stmt \
 112     [expr [lsearch -regexp $is_stmt 0x0*$next_insn_addr] != -1]
 113
 114 if { $next_insn_is_stmt } {
 115     set prefix ""
 116 } else {
 117     # The current PC is printed out.
 118     set prefix "0x0*$next_insn_addr.*"
 119 }
 120 # We nexti into the same source line.
 121 test_background "nexti&" "" ".*$prefix x = 5; .*"
 122
 123 if { $next_insn_is_stmt } {
 124     set prefix ""
 125 } else {
 126     # PC is in the middle of a source line, so the PC address is displayed.
 127     set prefix "0x0*$next_insn_addr in "
 128 }
 129 test_background "finish&" \
 130     "Run till exit from #0  ${prefix}foo \\(\\) at.*async.c.*\r\n" \
 131     ".*$hex in main \\(\\) at.*async.c.*y = foo \\(\\).*Value returned is.*= 8.*"
 132
 133 set jump_here [gdb_get_line_number "jump here"]
 134 test_background "jump $jump_here&" \
 135     ".*Continuing at $hex.*" \
 136     ".*Breakpoint 2, baz \\(\\) at.*async.c.*return 5.*" \
 137     "jump&"
 138
 139 set until_here [gdb_get_line_number "until here"]
 140 test_background "until $until_here&" \
 141     ".*" \
 142     ".*$hex in main \\(\\) at.*async.c.*y = baz \\(\\).*" \
 143     "until&"
 144
 145 gdb_test_no_output "set exec-done-display off"