-re "No executable file now\[^\r\n\]*\[\r\n\]" { exp_continue }
-re "No symbol file now\[^\r\n\]*\[\r\n\]" { exp_continue }
-re "A program is being debugged already.*Are you sure you want to change the file.*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-re "Discard symbol table from .*y or n.*$" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-re "$gdb_prompt $" {}
set deleted 0
gdb_test_multiple "delete breakpoints" "$msg" {
-re "Delete all breakpoints.*y or n.*$" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-re "$gdb_prompt $" {
set start_attempt 0
}
-re "Line.* Jump anyway.*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
}
-re "The program is not being run.*$gdb_prompt $" {
if { [gdb_reload] != 0 } {
# may test for additional start-up messages.
gdb_expect 60 {
-re "The program .* has been started already.*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-notransfer -re "Starting program: \[^\r\n\]*" {}
# may test for additional start-up messages.
gdb_expect 60 {
-re "The program .* has been started already.*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-notransfer -re "Starting program: \[^\r\n\]*" {
send_gdb "starti $args\n"
gdb_expect 60 {
-re "The program .* has been started already.*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-re "Starting program: \[^\r\n\]*" {
while {$count < 10} {
gdb_expect {
-re "Quit this debugging session\\? \\(y or n\\) $" {
- send_gdb "n\n"
+ send_gdb "n\n" answer
incr count
}
-re "Create a core file of GDB\\? \\(y or n\\) $" {
- send_gdb "n\n"
+ send_gdb "n\n" answer
incr count
}
-re "$gdb_prompt $" {
}
-# gdb_test_multiple COMMAND MESSAGE EXPECT_ARGUMENTS
+# gdb_test_multiple COMMAND MESSAGE EXPECT_ARGUMENTS PROMPT_REGEXP
# Send a command to gdb; test the result.
#
# COMMAND is the command to execute, send to GDB with send_gdb. If
# context; action elements will be executed in the caller's context.
# Unlike patterns for gdb_test, these patterns should generally include
# the final newline and prompt.
+# PROMPT_REGEXP is a regexp matching the expected prompt after the command
+# output. If empty, defaults to "$gdb_prompt $"
#
# Returns:
# 1 if the test failed, according to a built-in failure pattern
#
# gdb_test_multiple "print foo" "test foo" {
# -re "expected output 1" {
-# pass "print foo"
+# pass "test foo"
# }
# -re "expected output 2" {
-# fail "print foo"
+# fail "test foo"
+# }
+# }
+#
+# Within action elements you can also make use of the variable
+# gdb_test_name. This variable is setup automatically by
+# gdb_test_multiple, and contains the value of MESSAGE. You can then
+# write this, which is equivalent to the above:
+#
+# gdb_test_multiple "print foo" "test foo" {
+# -re "expected output 1" {
+# pass $gdb_test_name
+# }
+# -re "expected output 2" {
+# fail $gdb_test_name
# }
# }
#
# expected from $gdb_spawn_id. IOW, callers do not need to worry
# about resetting "-i" back to $gdb_spawn_id explicitly.
#
-proc gdb_test_multiple { command message user_code } {
+proc gdb_test_multiple { command message user_code { prompt_regexp "" } } {
global verbose use_gdb_stub
global gdb_prompt pagination_prompt
global GDB
upvar expect_out expect_out
global any_spawn_id
+ if { "$prompt_regexp" == "" } {
+ set prompt_regexp "$gdb_prompt $"
+ }
+
if { $message == "" } {
set message $command
}
}
append code {
- -re "Ending remote debugging.*$gdb_prompt $" {
+ -re "Ending remote debugging.*$prompt_regexp" {
if ![isnative] then {
warning "Can`t communicate to remote target."
}
gdb_start
set result -1
}
- -re "Undefined\[a-z\]* command:.*$gdb_prompt $" {
+ -re "Undefined\[a-z\]* command:.*$prompt_regexp" {
perror "Undefined command \"$command\"."
fail "$message"
set result 1
}
- -re "Ambiguous command.*$gdb_prompt $" {
+ -re "Ambiguous command.*$prompt_regexp" {
perror "\"$command\" is not a unique command name."
fail "$message"
set result 1
}
- -re "$inferior_exited_re with code \[0-9\]+.*$gdb_prompt $" {
+ -re "$inferior_exited_re with code \[0-9\]+.*$prompt_regexp" {
if ![string match "" $message] then {
set errmsg "$message (the program exited)"
} else {
fail "$errmsg"
set result -1
}
- -re "$inferior_exited_re normally.*$gdb_prompt $" {
+ -re "$inferior_exited_re normally.*$prompt_regexp" {
if ![string match "" $message] then {
set errmsg "$message (the program exited)"
} else {
fail "$errmsg"
set result -1
}
- -re "The program is not being run.*$gdb_prompt $" {
+ -re "The program is not being run.*$prompt_regexp" {
if ![string match "" $message] then {
set errmsg "$message (the program is no longer running)"
} else {
fail "$errmsg"
set result -1
}
- -re "\r\n$gdb_prompt $" {
+ -re "\r\n$prompt_regexp" {
if ![string match "" $message] then {
fail "$message"
}
set result -1
}
-re "\\((y or n|y or \\\[n\\\]|\\\[y\\\] or n)\\) " {
- send_gdb "n\n"
- gdb_expect -re "$gdb_prompt $"
+ send_gdb "n\n" answer
+ gdb_expect -re "$prompt_regexp"
fail "$message (got interactive prompt)"
set result -1
}
-re "\\\[0\\\] cancel\r\n\\\[1\\\] all.*\r\n> $" {
send_gdb "0\n"
- gdb_expect -re "$gdb_prompt $"
+ gdb_expect -re "$prompt_regexp"
fail "$message (got breakpoint menu)"
set result -1
}
}
}
+ # Create gdb_test_name in the parent scope. If this variable
+ # already exists, which it might if we have nested calls to
+ # gdb_test_multiple, then preserve the old value, otherwise,
+ # create a new variable in the parent scope.
+ upvar gdb_test_name gdb_test_name
+ if { [info exists gdb_test_name] } {
+ set gdb_test_name_old "$gdb_test_name"
+ }
+ set gdb_test_name "$message"
+
set result 0
set code [catch {gdb_expect $code} string]
+
+ # Clean up the gdb_test_name variable. If we had a
+ # previous value then restore it, otherwise, delete the variable
+ # from the parent scope.
+ if { [info exists gdb_test_name_old] } {
+ set gdb_test_name "$gdb_test_name_old"
+ } else {
+ unset gdb_test_name
+ }
+
if {$code == 1} {
global errorInfo errorCode
return -code error -errorinfo $errorInfo -errorcode $errorCode $string
set command [lindex $args 0]
set pattern [lindex $args 1]
- if [llength $args]==5 {
- set question_string [lindex $args 3]
- set response_string [lindex $args 4]
- } else {
- set question_string "^FOOBAR$"
- }
-
- return [gdb_test_multiple $command $message {
+ set user_code {}
+ lappend user_code {
-re "\[\r\n\]*(?:$pattern)\[\r\n\]+$gdb_prompt $" {
if ![string match "" $message] then {
pass "$message"
}
}
- -re "(${question_string})$" {
- send_gdb "$response_string\n"
- exp_continue
+ }
+
+ if { [llength $args] == 5 } {
+ set question_string [lindex $args 3]
+ set response_string [lindex $args 4]
+ lappend user_code {
+ -re "(${question_string})$" {
+ send_gdb "$response_string\n"
+ exp_continue
+ }
}
- }]
+ }
+
+ set user_code [join $user_code]
+ return [gdb_test_multiple $command $message $user_code]
+}
+
+# Return 1 if version MAJOR.MINOR is at least AT_LEAST_MAJOR.AT_LEAST_MINOR.
+proc version_at_least { major minor at_least_major at_least_minor} {
+ if { $major > $at_least_major } {
+ return 1
+ } elseif { $major == $at_least_major \
+ && $minor >= $at_least_minor } {
+ return 1
+ } else {
+ return 0
+ }
+}
+
+# Return 1 if tcl version used is at least MAJOR.MINOR
+proc tcl_version_at_least { major minor } {
+ global tcl_version
+ regexp {^([0-9]+)\.([0-9]+)$} $tcl_version \
+ dummy tcl_version_major tcl_version_minor
+ return [version_at_least $tcl_version_major $tcl_version_minor \
+ $major $minor]
+}
+
+if { [tcl_version_at_least 8 5] == 0 } {
+ # lrepeat was added in tcl 8.5. Only add if missing.
+ proc lrepeat { n element } {
+ if { [string is integer -strict $n] == 0 } {
+ error "expected integer but got \"$n\""
+ }
+ if { $n < 0 } {
+ error "bad count \"$n\": must be integer >= 0"
+ }
+ set res [list]
+ for {set i 0} {$i < $n} {incr i} {
+ lappend res $element
+ }
+ return $res
+ }
}
# gdb_test_no_output COMMAND MESSAGE
send_gdb "dir\n"
gdb_expect 60 {
-re "Reinitialize source path to empty.*y or n. " {
- send_gdb "y\n"
+ send_gdb "y\n" answer
gdb_expect 60 {
-re "Source directories searched.*$gdb_prompt $" {
send_gdb "dir $subdir\n"
send_gdb "quit\n"
gdb_expect 10 {
-re "y or n" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-re "DOSEXIT code" { }
}
# The file command used to kill the remote target. For the benefit
- # of the testsuite, preserve this behavior.
- send_gdb "kill\n"
+ # of the testsuite, preserve this behavior. Mark as optional so it doesn't
+ # get written to the stdin log.
+ send_gdb "kill\n" optional
gdb_expect 120 {
-re "Kill the program being debugged. .y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
verbose "\t\tKilling previous program being debugged"
exp_continue
}
return 0
}
-re "Load new symbol table from \".*\".*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
gdb_expect 120 {
-re "Reading symbols from.*$gdb_prompt $" {
verbose "\t\tLoaded $arg with new symbol table into $GDB"
set use_gdb_stub [target_info exists use_gdb_stub]
verbose "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS"
+ gdb_write_cmd_file "$GDB $INTERNAL_GDBFLAGS $GDBFLAGS"
if [info exists gdb_spawn_id] {
return 0
return 0
}
+ # Keep track of the number of times GDB has been launched.
+ global gdb_instances
+ incr gdb_instances
+
+ gdb_stdin_log_init
+
set res [gdb_spawn]
if { $res != 0} {
return $res
warning "Couldn't set the width to 0."
}
}
+
+ gdb_debug_init
return 0
}
return 1
}
-re "$prompt_regexp" {}
- }
+ } "$prompt_regexp"
gdb_test_multiple "python print (sys.version_info\[0\])" "check if python 3" {
-re "3.*$prompt_regexp" {
-re ".*$prompt_regexp" {
set gdb_py_is_py3k 0
}
- }
+ } "$prompt_regexp"
return 0
}
upvar 1 $var myvar
foreach myvar $list {
with_test_prefix "$var=$myvar" {
- uplevel 1 $body
+ set code [catch {uplevel 1 $body} result]
+ }
+
+ if {$code == 1} {
+ global errorInfo errorCode
+ return -code $code -errorinfo $errorInfo -errorcode $errorCode $result
+ } elseif {$code == 3} {
+ break
+ } elseif {$code == 2} {
+ return -code $code $result
}
}
}
}
}
+# Run BODY with timeout factor FACTOR if check-read1 is used.
+
+proc with_read1_timeout_factor { factor body } {
+ if { [info exists ::env(READ1)] == 1 && $::env(READ1) == 1 } {
+ # Use timeout factor
+ } else {
+ # Reset timeout factor
+ set factor 1
+ }
+ return [uplevel [list with_timeout_factor $factor $body]]
+}
+
# Return 1 if _Complex types are supported, otherwise, return 0.
gdb_caching_proc support_complex_tests {
return $ok
}
-# Return 0 if we should skip tests that require the libstdc++ stap
+# Return 1 if we should skip tests that require the libstdc++ stap
# probes. This must be invoked while gdb is running, after shared
-# libraries have been loaded.
-
-proc skip_libstdcxx_probe_tests {} {
- global gdb_prompt
+# libraries have been loaded. PROMPT_REGEXP is the expected prompt.
- set ok 0
+proc skip_libstdcxx_probe_tests_prompt { prompt_regexp } {
+ set supported 0
gdb_test_multiple "info probe" "check for stap probe in libstdc++" {
- -re ".*libstdcxx.*catch.*\r\n$gdb_prompt $" {
- set ok 1
+ -re ".*libstdcxx.*catch.*\r\n$prompt_regexp" {
+ set supported 1
}
- -re "\r\n$gdb_prompt $" {
+ -re "\r\n$prompt_regexp" {
}
- }
- return $ok
+ } "$prompt_regexp"
+ set skip [expr !$supported]
+ return $skip
+}
+
+# As skip_libstdcxx_probe_tests_prompt, with gdb_prompt.
+
+proc skip_libstdcxx_probe_tests {} {
+ global gdb_prompt
+ return [skip_libstdcxx_probe_tests_prompt "$gdb_prompt $"]
}
# Return 1 if we should skip tests of the "compile" feature.
-re "$prompt_regexp" {
pass $test
}
- }
+ } "$prompt_regexp"
return 0
}
regsub "\[\r\n\]*$" "$result" "" result
regsub "^\[\r\n\]*" "$result" "" result
+ if { $type == "executable" && $result == "" \
+ && ($nopie != -1 || $pie != -1) } {
+ set is_pie [exec_is_pie "$dest"]
+ if { $nopie != -1 && $is_pie == 1 } {
+ set result "nopie failed to prevent PIE executable"
+ } elseif { $pie != -1 && $is_pie == 0 } {
+ set result "pie failed to generate PIE executable"
+ }
+ }
+
if {[lsearch $options quiet] < 0} {
# We shall update this on a per language basis, to avoid
# changing the entire testsuite in one go.
}
}
-proc send_gdb { string } {
+# Send a command to GDB.
+# For options for TYPE see gdb_stdin_log_write
+
+proc send_gdb { string {type standard}} {
global suppress_flag
if { $suppress_flag } {
return "suppressed"
}
+ gdb_stdin_log_write $string $type
return [remote_send host "$string"]
}
set dir [make_gdb_parallel_path outputs $subdir $gdb_test_file_name]
file mkdir $dir
+ # If running on MinGW, replace /c/foo with c:/foo
+ if { [ishost *-*-mingw*] } {
+ set dir [regsub {^/([a-z])/} $dir {\1:/}]
+ }
return [file join $dir $basename]
}
+# Turn BASENAME into a full file name in the standard output directory. If
+# GDB has been launched more than once then append the count, starting with
+# a ".1" postfix.
+
+proc standard_output_file_with_gdb_instance {basename} {
+ global gdb_instances
+ set count [expr $gdb_instances - 1 ]
+
+ if {$count == 0} {
+ return [standard_output_file $basename]
+ }
+ return [standard_output_file ${basename}.${count}]
+}
+
# Return the name of a file in our standard temporary directory.
proc standard_temp_file {basename} {
set gdbserver_reconnect_p 1
unset gdbserver_reconnect_p
+ # Reset GDB number of instances
+ global gdb_instances
+ set gdb_instances 0
+
return [default_gdb_init $test_file_name]
}
send_gdb "run\n"
gdb_expect {
-re "The program .* has been started already.*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
exp_continue
}
-re "Starting program.*$gdb_prompt $"\
}
}
+# Return true if EXECUTABLE contains a .gdb_index or .debug_names index section.
+
+proc exec_has_index_section { executable } {
+ set readelf_program [gdb_find_readelf]
+ set res [catch {exec $readelf_program -S $executable \
+ | grep -E "\.gdb_index|\.debug_names" }]
+ if { $res == 0 } {
+ return 1
+ }
+ return 0
+}
+
+# Return list with major and minor version of readelf, or an empty list.
+gdb_caching_proc readelf_version {
+ set readelf_program [gdb_find_readelf]
+ set res [catch {exec $readelf_program --version} output]
+ if { $res != 0 } {
+ return [list]
+ }
+ set lines [split $output \n]
+ set line [lindex $lines 0]
+ set res [regexp {[ \t]+([0-9]+)[.]([0-9]+)[^ \t]*$} \
+ $line dummy major minor]
+ if { $res != 1 } {
+ return [list]
+ }
+ return [list $major $minor]
+}
+
+# Return 1 if readelf prints the PIE flag, 0 if is doesn't, and -1 if unknown.
+proc readelf_prints_pie { } {
+ set version [readelf_version]
+ if { [llength $version] == 0 } {
+ return -1
+ }
+ set major [lindex $version 0]
+ set minor [lindex $version 1]
+ # It would be better to construct a PIE executable and test if the PIE
+ # flag is printed by readelf, but we cannot reliably construct a PIE
+ # executable if the multilib_flags dictate otherwise
+ # (--target_board=unix/-no-pie/-fno-PIE).
+ return [version_at_least $major $minor 2 26]
+}
+
+# Return 1 if EXECUTABLE is a Position Independent Executable, 0 if it is not,
+# and -1 if unknown.
+
+proc exec_is_pie { executable } {
+ set res [readelf_prints_pie]
+ if { $res != 1 } {
+ return -1
+ }
+ set readelf_program [gdb_find_readelf]
+ set res [catch {exec $readelf_program -d $executable} output]
+ if { $res != 0 } {
+ return -1
+ }
+ set res [regexp -line {\(FLAGS_1\).*Flags:.* PIE($| )} $output]
+ if { $res == 1 } {
+ return 1
+ }
+ return 0
+}
+
# Return true if a test should be skipped due to lack of floating
# point support or GDB can't fetch the contents from floating point
# registers.
# Test the output of GDB_COMMAND matches the pattern obtained
# by concatenating all elements of EXPECTED_LINES. This makes
# it possible to split otherwise very long string into pieces.
-# If third argument is not empty, it's used as the name of the
+# If third argument TESTNAME is not empty, it's used as the name of the
# test to be printed on pass/fail.
-proc help_test_raw { gdb_command expected_lines args } {
- set message $gdb_command
- if [llength $args]>0 then {
- set message [lindex $args 0]
- }
+proc help_test_raw { gdb_command expected_lines {testname {}} } {
+ if {$testname == {}} {
+ set message $gdb_command
+ } else {
+ set message $testname
+ }
set expected_output [join $expected_lines ""]
gdb_test "${gdb_command}" "${expected_output}" $message
}
-# Test the output of "help COMMAND_CLASS". EXPECTED_INITIAL_LINES
+# A regexp that matches the end of help CLASS|PREFIX_COMMAND
+set help_list_trailer {
+ "Type \"apropos word\" to search for commands related to \"word\"\.[\r\n]+"
+ "Type \"apropos -v word\" for full documentation of commands related to \"word\"\.[\r\n]+"
+ "Command name abbreviations are allowed if unambiguous\."
+}
+
+# Test the output of "help COMMAND_CLASS". EXPECTED_INITIAL_LINES
# are regular expressions that should match the beginning of output,
-# before the list of commands in that class. The presence of
-# command list and standard epilogue will be tested automatically.
+# before the list of commands in that class.
+# LIST_OF_COMMANDS are regular expressions that should match the
+# list of commands in that class. If empty, the command list will be
+# matched automatically. The presence of standard epilogue will be tested
+# automatically.
+# If last argument TESTNAME is not empty, it's used as the name of the
+# test to be printed on pass/fail.
# Notice that the '[' and ']' characters don't need to be escaped for strings
# wrapped in {} braces.
-proc test_class_help { command_class expected_initial_lines args } {
+proc test_class_help { command_class expected_initial_lines {list_of_commands {}} {testname {}} } {
+ global help_list_trailer
+ if {[llength $list_of_commands]>0} {
+ set l_list_of_commands {"List of commands:[\r\n]+[\r\n]+"}
+ set l_list_of_commands [concat $l_list_of_commands $list_of_commands]
+ set l_list_of_commands [concat $l_list_of_commands {"[\r\n]+[\r\n]+"}]
+ } else {
+ set l_list_of_commands {"List of commands\:.*[\r\n]+"}
+ }
set l_stock_body {
- "List of commands\:.*[\r\n]+"
"Type \"help\" followed by command name for full documentation\.[\r\n]+"
- "Type \"apropos word\" to search for commands related to \"word\"\.[\r\n]+"
- "Command name abbreviations are allowed if unambiguous\."
}
- set l_entire_body [concat $expected_initial_lines $l_stock_body]
+ set l_entire_body [concat $expected_initial_lines $l_list_of_commands \
+ $l_stock_body $help_list_trailer]
+
+ help_test_raw "help ${command_class}" $l_entire_body $testname
+}
- eval [list help_test_raw "help ${command_class}" $l_entire_body] $args
+# Like test_class_help but specialised to test "help user-defined".
+proc test_user_defined_class_help { {list_of_commands {}} {testname {}} } {
+ test_class_help "user-defined" {
+ "User-defined commands\.[\r\n]+"
+ "The commands in this class are those defined by the user\.[\r\n]+"
+ "Use the \"define\" command to define a command\.[\r\n]+"
+ } $list_of_commands $testname
}
+
# COMMAND_LIST should have either one element -- command to test, or
# two elements -- abbreviated command to test, and full command the first
# element is abbreviation of.
# before the list of subcommands. The presence of
# subcommand list and standard epilogue will be tested automatically.
proc test_prefix_command_help { command_list expected_initial_lines args } {
+ global help_list_trailer
set command [lindex $command_list 0]
if {[llength $command_list]>1} {
set full_command [lindex $command_list 1]
# be expanded in this list.
set l_stock_body [list\
"List of $full_command subcommands\:.*\[\r\n\]+"\
- "Type \"help $full_command\" followed by $full_command subcommand name for full documentation\.\[\r\n\]+"\
- "Type \"apropos word\" to search for commands related to \"word\"\.\[\r\n\]+"\
- "Command name abbreviations are allowed if unambiguous\."]
- set l_entire_body [concat $expected_initial_lines $l_stock_body]
+ "Type \"help $full_command\" followed by $full_command subcommand name for full documentation\.\[\r\n\]+"]
+ set l_entire_body [concat $expected_initial_lines $l_stock_body $help_list_trailer]
if {[llength $args]>0} {
help_test_raw "help ${command}" $l_entire_body [lindex $args 0]
} else {
return [eval file join [lrange $full_split $len end]]
}
-# Log gdb command line and script if requested.
-if {[info exists TRANSCRIPT]} {
- rename send_gdb real_send_gdb
- rename remote_spawn real_remote_spawn
- rename remote_close real_remote_close
-
- global gdb_transcript
- set gdb_transcript ""
-
- global gdb_trans_count
- set gdb_trans_count 1
-
- proc remote_spawn {args} {
- global gdb_transcript gdb_trans_count outdir
-
- if {$gdb_transcript != ""} {
- close $gdb_transcript
- }
- set gdb_transcript [open [file join $outdir transcript.$gdb_trans_count] w]
- puts $gdb_transcript [lindex $args 1]
- incr gdb_trans_count
-
- return [uplevel real_remote_spawn $args]
- }
-
- proc remote_close {args} {
- global gdb_transcript
-
- if {$gdb_transcript != ""} {
- close $gdb_transcript
- set gdb_transcript ""
- }
-
- return [uplevel real_remote_close $args]
- }
-
- proc send_gdb {args} {
- global gdb_transcript
-
- if {$gdb_transcript != ""} {
- puts -nonewline $gdb_transcript [lindex $args 0]
- }
-
- return [uplevel real_send_gdb $args]
- }
-}
-
# If GDB_PARALLEL exists, then set up the parallel-mode directories.
if {[info exists GDB_PARALLEL]} {
if {[is_remote host]} {
opencl rust minimal ada]
}
+# Check if debugging is enabled for gdb.
+
+proc gdb_debug_enabled { } {
+ global gdbdebug
+
+ # If not already read, get the debug setting from environment or board setting.
+ if {![info exists gdbdebug]} {
+ global env
+ if [info exists env(GDB_DEBUG)] {
+ set gdbdebug $env(GDB_DEBUG)
+ } elseif [target_info exists gdb,debug] {
+ set gdbdebug [target_info gdb,debug]
+ } else {
+ return 0
+ }
+ }
+
+ # Ensure it not empty.
+ return [expr { $gdbdebug != "" }]
+}
+
+# Turn on debugging if enabled, or reset if already on.
+
+proc gdb_debug_init { } {
+
+ global gdb_prompt
+
+ if ![gdb_debug_enabled] {
+ return;
+ }
+
+ # First ensure logging is off.
+ send_gdb "set logging off\n"
+
+ set debugfile [standard_output_file gdb.debug]
+ send_gdb "set logging file $debugfile\n"
+
+ send_gdb "set logging debugredirect\n"
+
+ global gdbdebug
+ foreach entry [split $gdbdebug ,] {
+ send_gdb "set debug $entry 1\n"
+ }
+
+ # Now that everything is set, enable logging.
+ send_gdb "set logging on\n"
+ gdb_expect 10 {
+ -re "Copying output to $debugfile.*Redirecting debug output to $debugfile.*$gdb_prompt $" {}
+ timeout { warning "Couldn't set logging file" }
+ }
+}
+
# Check if debugging is enabled for gdbserver.
proc gdbserver_debug_enabled { } {
return 0
}
+# Open the file for logging gdb input
+
+proc gdb_stdin_log_init { } {
+ global in_file
+
+ if {[info exists in_file]} {
+ # Close existing file.
+ catch "close $in_file"
+ }
+
+ set logfile [standard_output_file_with_gdb_instance gdb.in]
+ set in_file [open $logfile w]
+}
+
+# Write to the file for logging gdb input.
+# TYPE can be one of the following:
+# "standard" : Default. Standard message written to the log
+# "answer" : Answer to a question (eg "Y"). Not written the log.
+# "optional" : Optional message. Not written to the log.
+
+proc gdb_stdin_log_write { message {type standard} } {
+
+ global in_file
+ if {![info exists in_file]} {
+ return
+ }
+
+ # Check message types.
+ switch -regexp -- $type {
+ "answer" {
+ return
+ }
+ "optional" {
+ return
+ }
+ }
+
+ #Write to the log
+ puts -nonewline $in_file "$message"
+}
+
+# Write the command line used to invocate gdb to the cmd file.
+
+proc gdb_write_cmd_file { cmdline } {
+ set logfile [standard_output_file_with_gdb_instance gdb.cmd]
+ set cmd_file [open $logfile w]
+ puts $cmd_file $cmdline
+ catch "close $cmd_file"
+}
+
+# Compare contents of FILE to string STR. Pass with MSG if equal, otherwise
+# fail with MSG.
+
+proc cmp_file_string { file str msg } {
+ if { ![file exists $file]} {
+ fail "$msg"
+ return
+ }
+
+ set caught_error [catch {
+ set fp [open "$file" r]
+ set file_contents [read $fp]
+ close $fp
+ } error_message]
+ if { $caught_error } then {
+ error "$error_message"
+ fail "$msg"
+ return
+ }
+
+ if { $file_contents == $str } {
+ pass "$msg"
+ } else {
+ fail "$msg"
+ }
+}
+
# Always load compatibility stuff.
load_lib future.exp
projects / deliverable / binutils-gdb.git / blobdiff