gdb/testsuite/gdb.base/dprintf.exp

   1 #   Copyright (C) 2012-2014 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 if { [prepare_for_testing dprintf.exp "dprintf" {} {debug}] } {
  18     return -1
  19 }
  20
  21 set srcfile dprintf.c
  22
  23 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  24 set dp_location1 [gdb_get_line_number "set dprintf 1 here"]
  25
  26 if ![runto main] {
  27     return -1
  28 }
  29
  30 gdb_test "dprintf" "Format string required"
  31
  32 gdb_test "dprintf foo" "Format string required"
  33
  34 gdb_test "dprintf 29" "Format string required"
  35
  36 delete_breakpoints
  37
  38 gdb_breakpoint "main"
  39
  40 gdb_test "dprintf foo,\"At foo entry\\n\"" \
  41   "Dprintf .*"
  42
  43 gdb_test "ignore \$bpnum 1" ".*Will ignore next crossing of breakpoint.*"
  44
  45 gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \
  46   "Dprintf .*"
  47
  48 gdb_test_sequence "info breakpoints" "dprintf info 1" {
  49     "\[\r\n\]Num     Type           Disp Enb Address +What"
  50     "\[\r\n\]2       breakpoint"
  51     "\[\r\n\]3       dprintf"
  52     "\[\r\n\]        printf \"At foo entry\\\\n\""
  53     "\[\r\n\]4       dprintf"
  54     "\[\r\n\]        printf \"arg=%d, g=%d\\\\n\", arg, g"
  55 }
  56
  57 gdb_test "break $bp_location1" \
  58   "Breakpoint .*"
  59
  60 gdb_run_cmd
  61
  62 gdb_test "" "Breakpoint"
  63
  64 gdb_test "continue" "arg=1234, g=1234.*" "1st dprintf, gdb"
  65
  66 gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, gdb"
  67
  68 # The "call" style depends on having I/O functions available, so test.
  69
  70 if ![target_info exists gdb,noinferiorio] {
  71
  72     # Now switch styles and rerun; in the absence of redirection the
  73     # output should be the same.
  74
  75     gdb_test_no_output "set dprintf-style call" "Set dprintf style to call"
  76
  77     gdb_run_cmd
  78
  79     gdb_test "" "Breakpoint"
  80
  81     gdb_test "continue" "At foo entry.*arg=1234, g=1234.*" "1st dprintf, call"
  82
  83     gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, call"
  84
  85     gdb_test_no_output "set dprintf-function fprintf" "Set dprintf function"
  86     gdb_test_no_output "set dprintf-channel stderr" "Set dprintf channel"
  87
  88     gdb_run_cmd
  89
  90     gdb_test "" "Breakpoint"
  91
  92     gdb_test "continue" "At foo entry.*arg=1234, g=1234.*" \
  93         "1st dprintf, fprintf"
  94
  95     gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" \
  96         "2nd dprintf, fprintf"
  97 }
  98
  99 # Now test the "agent" style.
 100
 101 set target_can_dprintf 1
 102 set msg "set dprintf style to agent"
 103 gdb_test_multiple "set dprintf-style agent" $msg {
 104     -re "warning: Target cannot run dprintf commands.*\r\n$gdb_prompt $" {
 105
 106         # The target reports that it doesn't support target side
 107         # commands at all.
 108         set target_can_dprintf 0
 109         unsupported "$msg"
 110     }
 111     -re ".*$gdb_prompt $" {
 112         pass "$msg"
 113     }
 114 }
 115
 116 if $target_can_dprintf {
 117     gdb_run_cmd
 118
 119     gdb_test "" "Breakpoint"
 120
 121     # Even if the the target reports that it does support target side
 122     # commands, we can only tell that it supports them in combination
 123     # with a particular breakpoint type (Z0, Z1, etc.) when we try to
 124     # insert the breakpoint.  When "set breakpoint always-inserted is
 125     # off", that'll be on next continue.
 126     set msg "1st dprintf, agent"
 127     gdb_test_multiple "continue" $msg {
 128         -re "Warning:.*Target doesn't support breakpoints that have target side commands.*\r\n$gdb_prompt $" {
 129             set target_can_dprintf 0
 130             unsupported "$msg"
 131         }
 132         -re "Breakpoint \[0-9\]+, foo .*$gdb_prompt $" {
 133             pass "$msg"
 134         }
 135     }
 136
 137     if $target_can_dprintf {
 138         gdb_test "continue" "Breakpoint \[0-9\]+, foo .*" "2nd dprintf, agent"
 139
 140         gdb_test_sequence "info breakpoints" "dprintf info 2" {
 141             "\[\r\n\]Num     Type           Disp Enb Address +What"
 142             "\[\r\n\]2       breakpoint"
 143             "\[\r\n\]\tbreakpoint already hit 2 times"
 144             "\[\r\n\]3       dprintf"
 145             "\[\r\n\]\tbreakpoint already hit 2 times"
 146             "\[\r\n\]        agent-printf \"At foo entry\\\\n\""
 147             "\[\r\n\]4       dprintf"
 148             "\[\r\n\]\tbreakpoint already hit 2 times"
 149             "\[\r\n\]        agent-printf \"arg=%d, g=%d\\\\n\", arg, g"
 150         }
 151     }
 152 }
 153
 154 gdb_test "set dprintf-style foobar" "Undefined item: \"foobar\"." \
 155     "Set dprintf style to an unrecognized type"
 156
 157 # Test that force-disabling the BreakpointCommands RSP feature works
 158 # as expected.  dprintf relies on support for target-side breakpoint
 159 # commands --- use it as proxy.
 160 if [gdb_is_target_remote] {
 161     gdb_test_no_output "set remote breakpoint-commands-packet off"
 162     gdb_test "set dprintf-style agent" \
 163         "warning: Target cannot run dprintf commands.*" \
 164         "set dprintf-style agent, with feature disabled"
 165 }