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# Copyright (C) 2012-2023 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"
}
gdb_test_multiple "print stderr" "stderr symbol check" {
-re "\\'stderr\\' has unknown type.*" {
untested "No information available for stderr, exiting early"
return
}
-re "\\\$1.*" {
pass $gdb_test_name
}
}
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 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 \
"set remote breakpoint-commands-packet off" \
"Support for the 'BreakpointCommands' packet on the current remote target is set to \"off\"."
gdb_test "set dprintf-style agent" \
"warning: Target cannot run dprintf commands.*" \
"set dprintf-style agent, with feature disabled"
}
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