gdb/testsuite/gdb.mi/mi-dprintf.exp

   1 #   Copyright (C) 2013-2020 Free Software Foundation, Inc.
   2 #   Contributed by Hui Zhu  <hui@codesourcery.com>
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 load_lib mi-support.exp
  18 set MIFLAGS "-i=mi"
  19
  20 standard_testfile
  21
  22 if {[build_executable $testfile.exp $testfile $srcfile {debug}] == -1} {
  23     untested "failed to compile"
  24     return -1
  25 }
  26
  27 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  28 set dp_location1 [gdb_get_line_number "set dprintf 1 here"]
  29
  30 mi_clean_restart $binfile
  31 mi_runto_main
  32
  33 set i 0
  34 mi_gdb_test "[incr i]-dprintf-insert" \
  35     "$i\\^error,msg=\"-dprintf-insert: Missing <location>\"" "mi insert without location"
  36
  37 mi_gdb_test "[incr i]-dprintf-insert foo" \
  38     "$i\\^error,msg=\"-dprintf-insert: Missing <format>\"" "mi insert breakpoint without format string"
  39
  40 mi_gdb_test "[incr i]-dprintf-insert 29" \
  41     "$i\\^error,msg=\"-dprintf-insert: Missing <format>\"" "mi insert second breakpoint without format string"
  42
  43 mi_gdb_test "-break-insert main" ".*" "mi insert breakpoint main"
  44
  45 mi_gdb_test "-dprintf-insert --function main \"hello\"" \
  46     "\\^done,bkpt={.*}" "explicit dprintf at main"
  47
  48 mi_gdb_test "-dprintf-insert --source $srcfile --line $dp_location1 \"hello\"" \
  49     "\\^done,bkpt={.*}" "explicit breakpoint at $srcfile:$dp_location1"
  50
  51 mi_gdb_test "-dprintf-insert --source $srcfile \"hello\"" \
  52     "\\^error,msg=\"-dprintf-insert: --source option requires --function, --label, or --line\"" "invalid explicit dprintf"
  53
  54 mi_delete_breakpoints
  55
  56 set bps [mi_make_breakpoint -type dprintf -func foo -file ".*mi-dprintf.c" \
  57              -fullname ".*mi-dprintf.c"]
  58 mi_gdb_test "[incr i]-dprintf-insert foo \"\\\"foobarbazqux\\\" At foo entry\\n\"" \
  59     "$i\\^done,$bps" "mi insert dprintf foo"
  60
  61 set bps [mi_make_breakpoint -type dprintf -func foo \
  62                    -file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c" \
  63                    -line $dp_location1]
  64 mi_gdb_test "[incr i]-dprintf-insert $dp_location1 \"arg=%d, g=%d\\n\" arg g" \
  65                    "$i\\^done,$bps" "mi insert dprintf dp_location1"
  66
  67 set bps {}
  68 lappend bps [mi_make_breakpoint -type dprintf -func foo \
  69                  -file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c"]
  70 lappend bps [mi_make_breakpoint -type dprintf -func foo \
  71                  -file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c" \
  72                  -line $dp_location1]
  73 mi_gdb_test "[incr i]-break-info" \
  74     "$i\\^done,[mi_make_breakpoint_table $bps]" \
  75     "mi info dprintf"
  76
  77 mi_gdb_test "-break-insert $bp_location1" ".*" "mi insert breakpoint bp_location1"
  78
  79 # Helper for mi_continue_dprintf.
  80
  81 proc mi_expect_dprintf {args where msg} {
  82     global mi_gdb_prompt
  83     global inferior_spawn_id gdb_spawn_id
  84
  85     if { $args == "call" || $args == "fprintf" } {
  86         set foobarbazqux "\"foobarbazqux\""
  87         set sid $inferior_spawn_id
  88     } else {
  89         set foobarbazqux "\\\\\"foobarbazqux\\\\\""
  90         set sid $gdb_spawn_id
  91     }
  92
  93     # Don't expect the prompt here to avoid a race with mi_expect_stop
  94     # in case $inferior_spawn_id != $gdb_spawn_id.  Otherwise, in that
  95     # case, we could see the gdb prompt before the inferior output.
  96     gdb_expect {
  97         -i $sid
  98         -re ".*$foobarbazqux $where" {
  99             pass $msg
 100         }
 101         eof {
 102             fail "$msg (eof)"
 103         }
 104         timeout {
 105             fail "$msg (timeout)"
 106         }
 107     }
 108     mi_expect_stop ".*" ".*" ".*" ".*" ".*" "" "$msg stop"
 109 }
 110
 111 proc mi_continue_dprintf {args} {
 112     with_test_prefix $args {
 113         set msg "mi 1st dprintf"
 114         mi_run_cmd
 115         mi_expect_dprintf $args "At foo entry.*arg=1234, g=1234" $msg
 116
 117         set msg "mi 2nd dprintf"
 118         mi_send_resuming_command "exec-continue" "$msg continue"
 119         mi_expect_dprintf $args "At foo entry.*arg=1235, g=2222" $msg
 120     }
 121 }
 122
 123 mi_continue_dprintf "gdb"
 124
 125 # The "call" style depends on having I/O functions available, so test.
 126
 127 if ![target_info exists gdb,noinferiorio] {
 128
 129     # Now switch styles and rerun; in the absence of redirection the
 130     # output should be the same.
 131
 132     mi_gdb_test "set dprintf-style call" ".*" "mi set dprintf style to call"
 133     mi_continue_dprintf "call"
 134
 135     mi_gdb_test "set dprintf-function fprintf" ".*" "mi set dprintf-channel stderr"
 136     mi_gdb_test "set dprintf-channel stderr" ".*" "mi set dprintf channel"
 137     mi_continue_dprintf "fprintf"
 138 }
 139
 140 set target_can_dprintf 0
 141 set msg "set dprintf style to agent"
 142 send_gdb "set dprintf-style agent\n"
 143 gdb_expect {
 144     -re "warning: Target cannot run dprintf commands, falling back to GDB printf.*$mi_gdb_prompt$" {
 145         unsupported "$msg"
 146     }
 147     -re ".*done.*$mi_gdb_prompt$" {
 148         set target_can_dprintf 1
 149         pass "$msg"
 150     }
 151     -re ".*$mi_gdb_prompt$" {
 152         fail "$msg"
 153     }
 154     timeout {
 155         fail "$msg"
 156     }
 157 }
 158
 159 if $target_can_dprintf {
 160     if {[mi_run_cmd] < 0} {
 161         # This likely means we failed to use target side commands in
 162         # combination with software breakpoints.  IOW, the target
 163         # likely doesn't support target-side software breakpoints.
 164         set target_can_dprintf 0
 165         unsupported "send dprintf to target"
 166     }
 167
 168     if $target_can_dprintf {
 169         mi_expect_stop ".*" ".*" ".*" ".*" ".*" "" "mi expect stop"
 170
 171         mi_send_resuming_command "exec-continue" "mi 1st dprintf continue, agent"
 172         mi_expect_stop ".*" "foo" ".*" ".*" ".*" "" "mi 1st dprintf, agent"
 173
 174         mi_send_resuming_command "exec-continue" "mi 2nd dprintf continue, agent"
 175
 176         # The =breakpoint-modified text is a part of the
 177         # "-exec-continue" output.
 178         set msg "mi info dprintf second time"
 179         gdb_expect {
 180             -re "=breakpoint-modified," {
 181                 pass $msg
 182             }
 183             -re ".*$mi_gdb_prompt$" {
 184                 fail "$msg"
 185             }
 186             timeout {
 187                 fail "$msg"
 188             }
 189         }
 190
 191         mi_expect_stop ".*" "foo" ".*" ".*" ".*" "" "mi 2nd dprintf, agent"
 192     }
 193 }
 194
 195 mi_gdb_test "set dprintf-style foobar" ".*error.*" "mi set dprintf style to an unrecognized type"