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

   1 #   Copyright (C) 2013-2023 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 set flags {}
  23 lappend flags debug
  24 lappend_include_file flags $srcdir/lib/unbuffer_output.c
  25
  26 if {[build_executable $testfile.exp $testfile $srcfile $flags] == -1} {
  27     untested "failed to compile"
  28     return -1
  29 }
  30
  31 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  32 set dp_location1 [gdb_get_line_number "set dprintf 1 here"]
  33
  34 mi_clean_restart $binfile
  35 mi_runto_main
  36
  37 set i 0
  38 mi_gdb_test "[incr i]-dprintf-insert" \
  39     "$i\\^error,msg=\"-dprintf-insert: Missing <location>\"" "mi insert without location"
  40
  41 mi_gdb_test "[incr i]-dprintf-insert foo" \
  42     "$i\\^error,msg=\"-dprintf-insert: Missing <format>\"" "mi insert breakpoint without format string"
  43
  44 mi_gdb_test "[incr i]-dprintf-insert 29" \
  45     "$i\\^error,msg=\"-dprintf-insert: Missing <format>\"" "mi insert second breakpoint without format string"
  46
  47 mi_gdb_test "-break-insert main" ".*" "mi insert breakpoint main"
  48
  49 mi_gdb_test "-dprintf-insert --function main \"hello\"" \
  50     "\\^done,bkpt={.*}" "explicit dprintf at main"
  51
  52 mi_gdb_test "-dprintf-insert --source $srcfile --line $dp_location1 \"hello\"" \
  53     "\\^done,bkpt={.*}" "explicit breakpoint at $srcfile:$dp_location1"
  54
  55 mi_gdb_test "-dprintf-insert --source $srcfile \"hello\"" \
  56     "\\^error,msg=\"-dprintf-insert: --source option requires --function, --label, or --line\"" "invalid explicit dprintf"
  57
  58 mi_delete_breakpoints
  59
  60 set bps [mi_make_breakpoint -type dprintf -func foo -file ".*mi-dprintf.c" \
  61              -fullname ".*mi-dprintf.c"]
  62 mi_gdb_test "[incr i]-dprintf-insert foo \"\\\"foobarbazqux\\\" At foo entry\\n\"" \
  63     "$i\\^done,$bps" "mi insert dprintf foo"
  64
  65 set bps [mi_make_breakpoint -type dprintf -func foo \
  66                    -file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c" \
  67                    -line $dp_location1]
  68 mi_gdb_test "[incr i]-dprintf-insert $dp_location1 \"arg=%d, g=%d\\n\" arg g" \
  69                    "$i\\^done,$bps" "mi insert dprintf dp_location1"
  70
  71 set bps {}
  72 lappend bps [mi_make_breakpoint -type dprintf -func foo \
  73                  -file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c"]
  74 lappend bps [mi_make_breakpoint -type dprintf -func foo \
  75                  -file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c" \
  76                  -line $dp_location1]
  77 mi_gdb_test "[incr i]-break-info" \
  78     "$i\\^done,[mi_make_breakpoint_table $bps]" \
  79     "mi info dprintf"
  80
  81 mi_gdb_test "-break-insert $bp_location1" ".*" "mi insert breakpoint bp_location1"
  82
  83 # Helper for mi_continue_dprintf.
  84
  85 proc mi_expect_dprintf {args where msg} {
  86     global mi_gdb_prompt
  87     global inferior_spawn_id gdb_spawn_id
  88
  89     if { $args == "call" || $args == "fprintf" } {
  90         set foobarbazqux "\"foobarbazqux\""
  91         set sid $inferior_spawn_id
  92     } else {
  93         set foobarbazqux "\\\\\"foobarbazqux\\\\\""
  94         set sid $gdb_spawn_id
  95     }
  96
  97     # Don't expect the prompt here to avoid a race with mi_expect_stop
  98     # in case $inferior_spawn_id != $gdb_spawn_id.  Otherwise, in that
  99     # case, we could see the gdb prompt before the inferior output.
 100     gdb_expect {
 101         -i $sid
 102         -re ".*$foobarbazqux $where" {
 103             pass $msg
 104         }
 105         eof {
 106             fail "$msg (eof)"
 107         }
 108         timeout {
 109             fail "$msg (timeout)"
 110         }
 111     }
 112     mi_expect_stop ".*" ".*" ".*" ".*" ".*" "" "$msg stop"
 113 }
 114
 115 proc mi_continue_dprintf {args} {
 116     with_test_prefix $args {
 117         set msg "mi 1st dprintf"
 118         mi_run_cmd
 119         mi_expect_dprintf $args "At foo entry.*arg=1234, g=1234" $msg
 120
 121         set msg "mi 2nd dprintf"
 122         mi_send_resuming_command "exec-continue" "$msg continue"
 123         mi_expect_dprintf $args "At foo entry.*arg=1235, g=2222" $msg
 124     }
 125 }
 126
 127 mi_continue_dprintf "gdb"
 128
 129 # The "call" style depends on having I/O functions available, so test.
 130 set has_stderr_symbol [mi_gdb_is_stderr_available]
 131
 132 if ![target_info exists gdb,noinferiorio] {
 133
 134     # Now switch styles and rerun; in the absence of redirection the
 135     # output should be the same.
 136
 137     mi_gdb_test "set dprintf-style call" ".*" "mi set dprintf style to call"
 138     mi_continue_dprintf "call"
 139
 140     # Some compilers don't add information about stderr,
 141     # so skip these tests if needed.
 142     if {$::has_stderr_symbol} {
 143         mi_gdb_test "set dprintf-function fprintf" ".*" "mi set dprintf function"
 144         mi_gdb_test "set dprintf-channel stderr" ".*" "mi set dprintf channel"
 145         mi_continue_dprintf "fprintf"
 146     }
 147 }
 148
 149 set target_can_dprintf 0
 150 set msg "set dprintf style to agent"
 151 send_gdb "set dprintf-style agent\n"
 152 gdb_expect {
 153     -re "warning: Target cannot run dprintf commands, falling back to GDB printf.*$mi_gdb_prompt$" {
 154         unsupported "$msg"
 155     }
 156     -re ".*done.*$mi_gdb_prompt$" {
 157         set target_can_dprintf 1
 158         pass "$msg"
 159     }
 160     -re ".*$mi_gdb_prompt$" {
 161         fail "$msg"
 162     }
 163     timeout {
 164         fail "$msg"
 165     }
 166 }
 167
 168 if $target_can_dprintf {
 169     if {[mi_run_cmd] < 0} {
 170         # This likely means we failed to use target side commands in
 171         # combination with software breakpoints.  IOW, the target
 172         # likely doesn't support target-side software breakpoints.
 173         set target_can_dprintf 0
 174         unsupported "send dprintf to target"
 175     }
 176
 177     if $target_can_dprintf {
 178         mi_expect_stop ".*" ".*" ".*" ".*" ".*" "" "mi expect stop"
 179
 180         mi_send_resuming_command "exec-continue" "mi 1st dprintf continue, agent"
 181         mi_expect_stop ".*" "foo" ".*" ".*" ".*" "" "mi 1st dprintf, agent"
 182
 183         mi_send_resuming_command "exec-continue" "mi 2nd dprintf continue, agent"
 184
 185         # The =breakpoint-modified text is a part of the
 186         # "-exec-continue" output.
 187         set msg "mi info dprintf second time"
 188         gdb_expect {
 189             -re "=breakpoint-modified," {
 190                 pass $msg
 191             }
 192             -re ".*$mi_gdb_prompt$" {
 193                 fail "$msg"
 194             }
 195             timeout {
 196                 fail "$msg"
 197             }
 198         }
 199
 200         mi_expect_stop ".*" "foo" ".*" ".*" ".*" "" "mi 2nd dprintf, agent"
 201     }
 202 }
 203
 204 mi_gdb_test "set dprintf-style foobar" ".*error.*" "mi set dprintf style to an unrecognized type"