# Copyright (C) 2012-2019 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. standard_testfile if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { return -1 } set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] set dp_location1 [gdb_get_line_number "set dprintf 1 here"] if ![runto main] { return -1 } gdb_test "dprintf" "Format string required" gdb_test "dprintf foo" "Format string required" gdb_test "dprintf 29" "Format string required" delete_breakpoints gdb_breakpoint "main" gdb_test "dprintf foo,\"At foo entry\\n\"" \ "Dprintf .*" gdb_test "ignore \$bpnum 1" ".*Will ignore next crossing of breakpoint.*" gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \ "Dprintf .*" gdb_test_sequence "info breakpoints" "dprintf info 1" { "\[\r\n\]Num Type Disp Enb Address +What" "\[\r\n\]2 breakpoint" "\[\r\n\]3 dprintf" "\[\r\n\] printf \"At foo entry\\\\n\"" "\[\r\n\]4 dprintf" "\[\r\n\] printf \"arg=%d, g=%d\\\\n\", arg, g" } gdb_test "break $bp_location1" \ "Breakpoint .*" gdb_run_cmd gdb_test "" "Breakpoint" gdb_test "continue" "arg=1234, g=1234.*" "1st dprintf, gdb" gdb_test "continue" "At foo entry.*arg=1235, g=2222.*" "2nd dprintf, gdb" # Restart GDB and set set up for testing. proc restart {} { global binfile global bp_location1 dp_location1 clean_restart $binfile if ![runto main] { return -1 } gdb_test "dprintf foo,\"At foo entry\\n\"" \ "Dprintf .*" gdb_test "dprintf $dp_location1,\"arg=%d, g=%d\\n\", arg, g" \ "Dprintf .*" gdb_test "break $bp_location1" "Breakpoint .*" } # Test continuing across a dprintf. PATTERN matches the output # generated by the dprintf. MSG is used as test message. proc test_dprintf {pattern msg} { gdb_test_stdio "continue" $pattern "" "$msg" } # Test the "call" style. proc test_call {} { global binfile global bp_location1 # Now switch styles and rerun; in the absence of redirection the # output should be the same. with_test_prefix "printf" { restart gdb_test_no_output "set dprintf-style call" "set dprintf style to call" test_dprintf "At foo entry.*arg=1234, g=1234\r\n" "1st dprintf" test_dprintf "At foo entry.*arg=1235, g=2222\r\n" "2nd dprintf" } with_test_prefix "fprintf" { restart gdb_test_no_output "set dprintf-function fprintf" "set dprintf function" gdb_test_no_output "set dprintf-channel stderr" "set dprintf channel" gdb_test_no_output "set dprintf-style call" "set dprintf style to call" test_dprintf "At foo entry.*arg=1234, g=1234\r\n" "1st dprintf" test_dprintf "At foo entry.*arg=1235, g=2222\r\n" "2nd dprintf" } } # The "call" style depends on having I/O functions available. if ![target_info exists gdb,noinferiorio] { with_test_prefix "call" { test_call } } # Test the "agent" style. proc test_agent {} { global binfile global gdb_prompt restart set target_can_dprintf 1 set msg "set dprintf style to agent" gdb_test_multiple "set dprintf-style agent" $msg { -re "warning: Target cannot run dprintf commands.*\r\n$gdb_prompt $" { # The target reports that it doesn't support target side # commands at all. set target_can_dprintf 0 unsupported "$msg" } -re ".*$gdb_prompt $" { pass "$msg" } } if !$target_can_dprintf { return } # Even if the the target reports that it does support target side # commands, we can only tell that it supports them in combination # with a particular breakpoint type (Z0, Z1, etc.) when we try to # insert the breakpoint. When "set breakpoint always-inserted is # off", that'll be on next continue. set msg "1st dprintf" gdb_test_multiple "continue" $msg { -re "Warning:.*Target doesn't support breakpoints that have target side commands.*\r\n$gdb_prompt $" { set target_can_dprintf 0 unsupported "$msg" } -re "Breakpoint \[0-9\]+, foo .*$gdb_prompt $" { pass "$msg" } } if $target_can_dprintf { gdb_test "continue" "Breakpoint \[0-9\]+, foo .*" "2nd dprintf" gdb_test_sequence "info breakpoints" "dprintf info" { "\[\r\n\]Num Type Disp Enb Address +What" "\[\r\n\]1 breakpoint" "\[\r\n\]\tbreakpoint already hit 1 time" "\[\r\n\]2 dprintf" "\[\r\n\] agent-printf \"At foo entry\\\\n\"" "\[\r\n\]3 dprintf" "\[\r\n\] agent-printf \"arg=%d, g=%d\\\\n\", arg, g" "\[\r\n\]4 breakpoint" "\[\r\n\]\tbreakpoint already hit 2 times" } } } with_test_prefix "agent" { test_agent } gdb_test "set dprintf-style foobar" "Undefined item: \"foobar\"." \ "Set dprintf style to an unrecognized type" # Test that force-disabling the BreakpointCommands RSP feature works # as expected. dprintf relies on support for target-side breakpoint # commands --- use it as proxy. if [gdb_is_target_remote] { gdb_test_no_output "set remote breakpoint-commands-packet off" gdb_test "set dprintf-style agent" \ "warning: Target cannot run dprintf commands.*" \ "set dprintf-style agent, with feature disabled" }