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# Copyright (C) 2013-2024 Free Software Foundation, Inc.
# Contributed by Hui Zhu <hui@codesourcery.com>
# 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/>.
load_lib mi-support.exp
set MIFLAGS "-i=mi"
standard_testfile
set flags {}
lappend flags debug
lappend_include_file flags $srcdir/lib/unbuffer_output.c
if {[build_executable $testfile.exp $testfile $srcfile $flags] == -1} {
untested "failed to compile"
return -1
}
set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
set dp_location1 [gdb_get_line_number "set dprintf 1 here"]
mi_clean_restart $binfile
mi_runto_main
set i 0
mi_gdb_test "[incr i]-dprintf-insert" \
"$i\\^error,msg=\"-dprintf-insert: Missing <location>\"" "mi insert without location"
mi_gdb_test "[incr i]-dprintf-insert foo" \
"$i\\^error,msg=\"-dprintf-insert: Missing <format>\"" "mi insert breakpoint without format string"
mi_gdb_test "[incr i]-dprintf-insert 29" \
"$i\\^error,msg=\"-dprintf-insert: Missing <format>\"" "mi insert second breakpoint without format string"
mi_gdb_test "-break-insert main" ".*" "mi insert breakpoint main"
mi_gdb_test "-dprintf-insert --function main \"hello\"" \
"\\^done,bkpt={.*}" "explicit dprintf at main"
mi_gdb_test "-dprintf-insert --source $srcfile --line $dp_location1 \"hello\"" \
"\\^done,bkpt={.*}" "explicit breakpoint at $srcfile:$dp_location1"
mi_gdb_test "-dprintf-insert --source $srcfile \"hello\"" \
"\\^error,msg=\"-dprintf-insert: --source option requires --function, --label, or --line\"" "invalid explicit dprintf"
mi_delete_breakpoints
set bps [mi_make_breakpoint -type dprintf -func foo -file ".*mi-dprintf.c" \
-fullname ".*mi-dprintf.c"]
mi_gdb_test "[incr i]-dprintf-insert foo \"\\\"foobarbazqux\\\" At foo entry\\n\"" \
"$i\\^done,$bps" "mi insert dprintf foo"
set bps [mi_make_breakpoint -type dprintf -func foo \
-file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c" \
-line $dp_location1]
mi_gdb_test "[incr i]-dprintf-insert $dp_location1 \"arg=%d, g=%d\\n\" arg g" \
"$i\\^done,$bps" "mi insert dprintf dp_location1"
set bps {}
lappend bps [mi_make_breakpoint -type dprintf -func foo \
-file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c"]
lappend bps [mi_make_breakpoint -type dprintf -func foo \
-file ".*mi-dprintf.c" -fullname ".*mi-dprintf.c" \
-line $dp_location1]
mi_gdb_test "[incr i]-break-info" \
"$i\\^done,[mi_make_breakpoint_table $bps]" \
"mi info dprintf"
mi_gdb_test "-break-insert $bp_location1" ".*" "mi insert breakpoint bp_location1"
# Helper for mi_continue_dprintf.
proc mi_expect_dprintf {args where msg} {
global mi_gdb_prompt
global inferior_spawn_id gdb_spawn_id
if { $args == "call" || $args == "fprintf" } {
set foobarbazqux "\"foobarbazqux\""
set sid $inferior_spawn_id
} else {
set foobarbazqux "\\\\\"foobarbazqux\\\\\""
set sid $gdb_spawn_id
}
# Don't expect the prompt here to avoid a race with mi_expect_stop
# in case $inferior_spawn_id != $gdb_spawn_id. Otherwise, in that
# case, we could see the gdb prompt before the inferior output.
gdb_expect {
-i $sid
-re ".*$foobarbazqux $where" {
pass $msg
}
eof {
fail "$msg (eof)"
}
timeout {
fail "$msg (timeout)"
}
}
mi_expect_stop ".*" ".*" ".*" ".*" ".*" "" "$msg stop"
}
proc mi_continue_dprintf {args} {
with_test_prefix $args {
set msg "mi 1st dprintf"
mi_run_cmd
mi_expect_dprintf $args "At foo entry.*arg=1234, g=1234" $msg
set msg "mi 2nd dprintf"
mi_send_resuming_command "exec-continue" "$msg continue"
mi_expect_dprintf $args "At foo entry.*arg=1235, g=2222" $msg
}
}
mi_continue_dprintf "gdb"
# The "call" style depends on having I/O functions available, so test.
set has_stderr_symbol [mi_gdb_is_stderr_available]
if ![target_info exists gdb,noinferiorio] {
# Now switch styles and rerun; in the absence of redirection the
# output should be the same.
mi_gdb_test "set dprintf-style call" ".*" "mi set dprintf style to call"
mi_continue_dprintf "call"
# Some compilers don't add information about stderr,
# so skip these tests if needed.
if {$::has_stderr_symbol} {
mi_gdb_test "set dprintf-function fprintf" ".*" "mi set dprintf function"
mi_gdb_test "set dprintf-channel stderr" ".*" "mi set dprintf channel"
mi_continue_dprintf "fprintf"
}
}
set target_can_dprintf 0
set msg "set dprintf style to agent"
send_gdb "set dprintf-style agent\n"
gdb_expect {
-re "warning: Target cannot run dprintf commands, falling back to GDB printf.*$mi_gdb_prompt$" {
unsupported "$msg"
}
-re ".*done.*$mi_gdb_prompt$" {
set target_can_dprintf 1
pass "$msg"
}
-re ".*$mi_gdb_prompt$" {
fail "$msg"
}
timeout {
fail "$msg"
}
}
if $target_can_dprintf {
if {[mi_run_cmd] < 0} {
# This likely means we failed to use target side commands in
# combination with software breakpoints. IOW, the target
# likely doesn't support target-side software breakpoints.
set target_can_dprintf 0
unsupported "send dprintf to target"
}
if $target_can_dprintf {
mi_expect_stop ".*" ".*" ".*" ".*" ".*" "" "mi expect stop"
mi_send_resuming_command "exec-continue" "mi 1st dprintf continue, agent"
mi_expect_stop ".*" "foo" ".*" ".*" ".*" "" "mi 1st dprintf, agent"
mi_send_resuming_command "exec-continue" "mi 2nd dprintf continue, agent"
# The =breakpoint-modified text is a part of the
# "-exec-continue" output.
set msg "mi info dprintf second time"
gdb_expect {
-re "=breakpoint-modified," {
pass $msg
}
-re ".*$mi_gdb_prompt$" {
fail "$msg"
}
timeout {
fail "$msg"
}
}
mi_expect_stop ".*" "foo" ".*" ".*" ".*" "" "mi 2nd dprintf, agent"
}
}
mi_gdb_test "set dprintf-style foobar" ".*error.*" "mi set dprintf style to an unrecognized type"
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