-# Copyright 1992-2016 Free Software Foundation, Inc.
+# Copyright 1992-2018 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
load_lib libgloss.exp
load_lib cache.exp
load_lib gdb-utils.exp
+load_lib memory.exp
global GDB
}
}
+# Returns true iff the target supports using the "run" command.
+
+proc target_can_use_run_cmd {} {
+ if [target_info exists use_gdb_stub] {
+ # In this case, when we connect, the inferior is already
+ # running.
+ return 0
+ }
+
+ # Assume yes.
+ return 1
+}
+
# Generic run command.
#
# The second pattern below matches up to the first newline *only*.
return -1
}
+# Generic starti command. Return 0 if we could start the program, -1
+# if we could not.
+#
+# N.B. This function does not wait for gdb to return to the prompt,
+# that is the caller's responsibility.
+
+proc gdb_starti_cmd {args} {
+ global gdb_prompt use_gdb_stub
+
+ foreach command [gdb_init_commands] {
+ send_gdb "$command\n"
+ gdb_expect 30 {
+ -re "$gdb_prompt $" { }
+ default {
+ perror "gdb_init_command for target failed"
+ return -1
+ }
+ }
+ }
+
+ if $use_gdb_stub {
+ return -1
+ }
+
+ send_gdb "starti $args\n"
+ gdb_expect 60 {
+ -re "The program .* has been started already.*y or n. $" {
+ send_gdb "y\n"
+ exp_continue
+ }
+ -re "Starting program: \[^\r\n\]*" {
+ return 0
+ }
+ }
+ return -1
+}
+
# Set a breakpoint at FUNCTION. If there is an additional argument it is
# a list of options; the supported options are allow-pending, temporary,
-# message, no-message, and passfail.
+# message, no-message, passfail and qualified.
# The result is 1 for success, 0 for failure.
#
# Note: The handling of message vs no-message is messed up, but it's based
set break_message "Temporary breakpoint"
}
+ if {[lsearch -exact $args qualified] != -1} {
+ append break_command " -qualified"
+ }
+
set print_pass 0
set print_fail 1
set no_message_loc [lsearch -exact $args no-message]
}
return [gdb_test_multiple $command $message {
- -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
+ -re "\[\r\n\]*(?:$pattern)\[\r\n\]+$gdb_prompt $" {
if ![string match "" $message] then {
pass "$message"
}
# This is useful when the sequence is long and contains ".*", a single
# regexp to match the entire output can get a timeout much easier.
#
-# COMMAND is the command to send.
+# COMMAND is the command to execute, send to GDB with send_gdb. If
+# this is the null string no command is sent.
# TEST_NAME is passed to pass/fail. COMMAND is used if TEST_NAME is "".
# EXPECTED_OUTPUT_LIST is a list of regexps of expected output, which are
# processed in order, and all must be present in the output.
set test_name $command
}
lappend expected_output_list ""; # implicit ".*" before gdb prompt
- send_gdb "$command\n"
+ if { $command != "" } {
+ send_gdb "$command\n"
+ }
return [gdb_expect_list $test_name "$gdb_prompt $" $expected_output_list]
}
}
}
+# Run tests in BODY with the current working directory (CWD) set to
+# DIR. When BODY is finished, restore the original CWD. Return the
+# result of BODY.
+#
+# This procedure doesn't check if DIR is a valid directory, so you
+# have to make sure of that.
+
+proc with_cwd { dir body } {
+ set saved_dir [pwd]
+ verbose -log "Switching to directory $dir (saved CWD: $saved_dir)."
+ cd $dir
+
+ set code [catch {uplevel 1 $body} result]
+
+ verbose -log "Switching back to $saved_dir."
+ cd $saved_dir
+
+ if {$code == 1} {
+ global errorInfo errorCode
+ return -code $code -errorinfo $errorInfo -errorcode $errorCode $result
+ } else {
+ return -code $code $result
+ }
+}
# Run tests in BODY with GDB prompt and variable $gdb_prompt set to
# PROMPT. When BODY is finished, restore GDB prompt and variable
file delete $src
# In case of an unexpected output, we return 2 as a fail value.
set skip_btrace_tests 2
- gdb_test_multiple "record btrace pt" "check btrace support" {
+ gdb_test_multiple "record btrace pt" "check btrace pt support" {
-re "You can't do that when your target is.*\r\n$gdb_prompt $" {
set skip_btrace_tests 1
}
-re "Could not enable branch tracing.*\r\n$gdb_prompt $" {
set skip_btrace_tests 1
}
- -re "GDB does not support.*\r\n$gdb_prompt $" {
+ -re "support was disabled at compile time.*\r\n$gdb_prompt $" {
set skip_btrace_tests 1
}
-re "^record btrace pt\r\n$gdb_prompt $" {
return $skip_btrace_tests
}
+# A helper that compiles a test case to see if __int128 is supported.
+proc gdb_int128_helper {lang} {
+ set src [standard_temp_file i128[pid].c]
+ set obj [standard_temp_file i128[pid].o]
+
+ verbose -log "checking $lang for __int128"
+ gdb_produce_source $src {
+ __int128 x;
+ int main() { return 0; }
+ }
+
+ set lines [gdb_compile $src $obj object [list nowarnings quiet $lang]]
+ file delete $src
+ file delete $obj
+
+ set result [expr {!![string match "" $lines]}]
+ verbose -log "__int128 for $lang result = $result"
+ return $result
+}
+
+# Return true if the C compiler understands the __int128 type.
+gdb_caching_proc has_int128_c {
+ return [gdb_int128_helper c]
+}
+
+# Return true if the C++ compiler understands the __int128 type.
+gdb_caching_proc has_int128_cxx {
+ return [gdb_int128_helper c++]
+}
+
# Return whether we should skip tests for showing inlined functions in
# backtraces. Requires get_compiler_info and get_debug_format.
return $result
}
-# Helper for gdb_is_target_remote. PROMPT_REGEXP is the expected
-# prompt.
-
-proc gdb_is_target_remote_prompt { prompt_regexp } {
+# Helper for gdb_is_target_* procs. TARGET_NAME is the name of the target
+# we're looking for (used to build the test name). TARGET_STACK_REGEXP
+# is a regexp that will match the output of "maint print target-stack" if
+# the target in question is currently pushed. PROMPT_REGEXP is a regexp
+# matching the expected prompt after the command output.
- set test "probe for target remote"
+proc gdb_is_target_1 { target_name target_stack_regexp prompt_regexp } {
+ set test "probe for target ${target_name}"
gdb_test_multiple "maint print target-stack" $test {
- -re ".*emote serial target in gdb-specific protocol.*$prompt_regexp" {
+ -re "${target_stack_regexp}${prompt_regexp}" {
pass $test
return 1
}
return 0
}
+# Helper for gdb_is_target_remote where the expected prompt is variable.
+
+proc gdb_is_target_remote_prompt { prompt_regexp } {
+ return [gdb_is_target_1 "remote" ".*emote serial target in gdb-specific protocol.*" $prompt_regexp]
+}
+
# Check whether we're testing with the remote or extended-remote
# targets.
-proc gdb_is_target_remote {} {
+proc gdb_is_target_remote { } {
global gdb_prompt
return [gdb_is_target_remote_prompt "$gdb_prompt $"]
}
+# Check whether we're testing with the native target.
+
+proc gdb_is_target_native { } {
+ global gdb_prompt
+
+ return [gdb_is_target_1 "native" ".*native \\(Native process\\).*" "$gdb_prompt $"]
+}
+
# Return the effective value of use_gdb_stub.
#
# If the use_gdb_stub global has been set (it is set when the gdb process is
set gdb_wrapper_target [current_target_name]
}
+# Determine options that we always want to pass to the compiler.
+gdb_caching_proc universal_compile_options {
+ set me "universal_compile_options"
+ set options {}
+
+ set src [standard_temp_file ccopts[pid].c]
+ set obj [standard_temp_file ccopts[pid].o]
+
+ gdb_produce_source $src {
+ int foo(void) { return 0; }
+ }
+
+ # Try an option for disabling colored diagnostics. Some compilers
+ # yield colored diagnostics by default (when run from a tty) unless
+ # such an option is specified.
+ set opt "additional_flags=-fdiagnostics-color=never"
+ set lines [target_compile $src $obj object [list "quiet" $opt]]
+ if [string match "" $lines] then {
+ # Seems to have worked; use the option.
+ lappend options $opt
+ }
+ file delete $src
+ file delete $obj
+
+ verbose "$me: returning $options" 2
+ return $options
+}
+
# Some targets need to always link a special object in. Save its path here.
global gdb_saved_set_unbuffered_mode_obj
set gdb_saved_set_unbuffered_mode_obj ""
# Add platform-specific options if a shared library was specified using
# "shlib=librarypath" in OPTIONS.
- set new_options ""
+ set new_options {}
+ if {[lsearch -exact $options rust] != -1} {
+ # -fdiagnostics-color is not a rustcc option.
+ } else {
+ set new_options [universal_compile_options]
+ }
set shlib_found 0
set shlib_load 0
foreach opt $options {
- if [regexp {^shlib=(.*)} $opt dummy_var shlib_name] {
+ if {[regexp {^shlib=(.*)} $opt dummy_var shlib_name]
+ && $type == "executable"} {
if [test_compiler_info "xlc-*"] {
# IBM xlc compiler doesn't accept shared library named other
# than .so: use "-Wl," to bypass this
lappend new_options "early_flags=-Wl,--no-as-needed"
}
}
- } elseif { $opt == "shlib_load" } {
+ } elseif { $opt == "shlib_load" && $type == "executable" } {
set shlib_load 1
} else {
lappend new_options $opt
# NOTE: This must be called while gdb is *not* running.
gdb_caching_proc gdb_skip_xml_test {
+ global gdb_spawn_id
global gdb_prompt
global srcdir
+ if { [info exists gdb_spawn_id] } {
+ error "GDB must not be running in gdb_skip_xml_tests."
+ }
+
set xml_file [gdb_remote_download host "${srcdir}/gdb.xml/trivial.xml"]
gdb_start
return 0
}
-proc get_valueof { fmt exp default } {
+# Retrieve the value of EXP in the inferior, represented in format
+# specified in FMT (using "printFMT"). DEFAULT is used as fallback if
+# print fails. TEST is the test message to use. It can be omitted,
+# in which case a test message is built from EXP.
+
+proc get_valueof { fmt exp default {test ""} } {
global gdb_prompt
- set test "get valueof \"${exp}\""
+ if {$test == "" } {
+ set test "get valueof \"${exp}\""
+ }
+
set val ${default}
gdb_test_multiple "print${fmt} ${exp}" "$test" {
- -re "\\$\[0-9\]* = (.*)\[\r\n\]*$gdb_prompt $" {
+ -re "\\$\[0-9\]* = (\[^\r\n\]*)\[\r\n\]*$gdb_prompt $" {
set val $expect_out(1,string)
pass "$test ($val)"
}
return ${val}
}
-proc get_integer_valueof { exp default } {
+# Retrieve the value of EXP in the inferior, as a signed decimal value
+# (using "print /d"). DEFAULT is used as fallback if print fails.
+# TEST is the test message to use. It can be omitted, in which case
+# a test message is built from EXP.
+
+proc get_integer_valueof { exp default {test ""} } {
global gdb_prompt
- set test "get integer valueof \"${exp}\""
+ if {$test == ""} {
+ set test "get integer valueof \"${exp}\""
+ }
+
set val ${default}
gdb_test_multiple "print /d ${exp}" "$test" {
-re "\\$\[0-9\]* = (\[-\]*\[0-9\]*).*$gdb_prompt $" {
set val $expect_out(1,string)
- pass "$test ($val)"
+ pass "$test"
}
timeout {
fail "$test (timeout)"
# Retrieve the value of EXP in the inferior, as an hexadecimal value
# (using "print /x"). DEFAULT is used as fallback if print fails.
-# TEST is the test message to use. If can be ommitted, in which case
+# TEST is the test message to use. It can be omitted, in which case
# a test message is built from EXP.
proc get_hexadecimal_valueof { exp default {test ""} } {
return ${val}
}
-proc get_sizeof { type default } {
- return [get_integer_valueof "sizeof (${type})" $default]
+# Retrieve the size of TYPE in the inferior, as a decimal value. DEFAULT
+# is used as fallback if print fails. TEST is the test message to use.
+# It can be omitted, in which case a test message is 'sizeof (TYPE)'.
+
+proc get_sizeof { type default {test ""} } {
+ return [get_integer_valueof "sizeof (${type})" $default $test]
}
proc get_target_charset { } {
return ""
}
+# Return the frame number for the currently selected frame
+proc get_current_frame_number {{test_name ""}} {
+ global gdb_prompt
+
+ if { $test_name == "" } {
+ set test_name "get current frame number"
+ }
+ set frame_num -1
+ gdb_test_multiple "frame" $test_name {
+ -re "#(\[0-9\]+) .*$gdb_prompt $" {
+ set frame_num $expect_out(1,string)
+ }
+ }
+ return $frame_num
+}
+
# Get the current value for remotetimeout and return it.
proc get_remotetimeout { } {
global gdb_prompt
}
}
+# Get the target's current endianness and return it.
+proc get_endianness { } {
+ global gdb_prompt
+
+ gdb_test_multiple "show endian" "determine endianness" {
+ -re ".* (little|big) endian.*\r\n$gdb_prompt $" {
+ # Pass silently.
+ return $expect_out(1,string)
+ }
+ }
+ return "little"
+}
+
# ROOT and FULL are file names. Returns the relative path from ROOT
# to FULL. Note that FULL must be in a subdirectory of ROOT.
# For example, given ROOT = /usr/bin and FULL = /usr/bin/ls, this
return [join $args "\n"]
}
+# Return the version of the DejaGnu framework.
+#
+# The return value is a list containing the major, minor and patch version
+# numbers. If the version does not contain a minor or patch number, they will
+# be set to 0. For example:
+#
+# 1.6 -> {1 6 0}
+# 1.6.1 -> {1 6 1}
+# 2 -> {2 0 0}
+
+proc dejagnu_version { } {
+ # The frame_version variable is defined by DejaGnu, in runtest.exp.
+ global frame_version
+
+ verbose -log "DejaGnu version: $frame_version"
+ verbose -log "Expect version: [exp_version]"
+ verbose -log "Tcl version: [info tclversion]"
+
+ set dg_ver [split $frame_version .]
+
+ while { [llength $dg_ver] < 3 } {
+ lappend dg_ver 0
+ }
+
+ return $dg_ver
+}
+
+# Define user-defined command COMMAND using the COMMAND_LIST as the
+# command's definition. The terminating "end" is added automatically.
+
+proc gdb_define_cmd {command command_list} {
+ global gdb_prompt
+
+ set input [multi_line_input {*}$command_list "end"]
+ set test "define $command"
+
+ gdb_test_multiple "define $command" $test {
+ -re "End with" {
+ gdb_test_multiple $input $test {
+ -re "\r\n$gdb_prompt " {
+ }
+ }
+ }
+ }
+}
# Always load compatibility stuff.
load_lib future.exp