-# Copyright 1992-2016 Free Software Foundation, Inc.
+# Copyright 1992-2019 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
load_lib libgloss.exp
load_lib cache.exp
load_lib gdb-utils.exp
+load_lib memory.exp
global GDB
}
# A regexp that matches the pagination prompt.
-set pagination_prompt [string_to_regexp "---Type <return> to continue, or q <return> to quit---"]
+set pagination_prompt \
+ "--Type <RET> for more, q to quit, c to continue without paging--"
# The variable fullname_syntax_POSIX is a regexp which matches a POSIX
# absolute path ie. /foo/
-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 $" {
}
}
+# 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*.
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: \[^\r\n\]*" {
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" answer
+ 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 $args no-message]
while {$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 "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 "print foo"
+# 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 $processed_code
+
+ # Reset the spawn id, in case the processed code used -i.
append code {
- # Reset the spawn id, in case the processed code used -i.
-i "$gdb_spawn_id"
+ }
- -re "Ending remote debugging.*$gdb_prompt $" {
+ append code {
+ -re "Ending remote debugging.*$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
}
- # Patterns below apply to any spawn id specified.
+ -i $gdb_spawn_id
+ eof {
+ perror "GDB process no longer exists"
+ set wait_status [wait -i $gdb_spawn_id]
+ verbose -log "GDB process exited with wait status $wait_status"
+ if { $message != "" } {
+ fail "$message"
+ }
+ return -1
+ }
+ }
+
+ # Now patterns that apply to any spawn id specified.
+ append code {
-i $any_spawn_id
eof {
perror "Process no longer exists"
}
}
+ # remote_expect calls the eof section if there is an error on the
+ # expect call. We already have eof sections above, and we don't
+ # want them to get called in that situation. Since the last eof
+ # section becomes the error section, here we define another eof
+ # section, but with an empty spawn_id list, so that it won't ever
+ # match.
+ append code {
+ -i "" eof {
+ # This comment is here because the eof section must not be
+ # the empty string, otherwise remote_expect won't realize
+ # it exists.
+ }
+ }
+
+ # Create gdb_test_name in the parent scope. If this variable
+ # already exists, which it might if we have nested calls to
+ # gdb_test_multiple, then preserve the old value, otherwise,
+ # create a new variable in the parent scope.
+ upvar gdb_test_name gdb_test_name
+ if { [info exists gdb_test_name] } {
+ set gdb_test_name_old "$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 user_code {}
+ lappend user_code {
+ -re "\[\r\n\]*(?:$pattern)\[\r\n\]+$gdb_prompt $" {
+ if ![string match "" $message] then {
+ pass "$message"
+ }
+ }
+ }
+
+ 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 >= $at_least_minor } {
+ return 1
} else {
- set question_string "^FOOBAR$"
+ return 0
}
+}
- return [gdb_test_multiple $command $message {
- -re "\[\r\n\]*($pattern)\[\r\n\]+$gdb_prompt $" {
- if ![string match "" $message] then {
- pass "$message"
- }
+# 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\""
}
- -re "(${question_string})$" {
- send_gdb "$response_string\n"
- exp_continue
- }
- }]
+ 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
# 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]
}
return $res
}
+# get_print_expr_at_depths EXP OUTPUTS
+#
+# Used for testing 'set print max-depth'. Prints the expression EXP
+# with 'set print max-depth' set to various depths. OUTPUTS is a list
+# of `n` different patterns to match at each of the depths from 0 to
+# (`n` - 1).
+#
+# This proc does one final check with the max-depth set to 'unlimited'
+# which is tested against the last pattern in the OUTPUTS list. The
+# OUTPUTS list is therefore required to match every depth from 0 to a
+# depth where the whole of EXP is printed with no ellipsis.
+#
+# This proc leaves the 'set print max-depth' set to 'unlimited'.
+proc gdb_print_expr_at_depths {exp outputs} {
+ for { set depth 0 } { $depth <= [llength $outputs] } { incr depth } {
+ if { $depth == [llength $outputs] } {
+ set expected_result [lindex $outputs [expr [llength $outputs] - 1]]
+ set depth_string "unlimited"
+ } else {
+ set expected_result [lindex $outputs $depth]
+ set depth_string $depth
+ }
+
+ with_test_prefix "exp='$exp': depth=${depth_string}" {
+ gdb_test_no_output "set print max-depth ${depth_string}"
+ gdb_test "p $exp" "$expected_result"
+ }
+ }
+}
+
\f
# Issue a PASS and return true if evaluating CONDITION in the caller's
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
}
send_gdb "file $arg\n"
gdb_expect 120 {
- -re "Reading symbols from.*LZMA support was disabled.*done.*$gdb_prompt $" {
+ -re "Reading symbols from.*LZMA support was disabled.*$gdb_prompt $" {
verbose "\t\tLoaded $arg into $GDB; .gnu_debugdata found but no LZMA available"
set gdb_file_cmd_debug_info "lzma"
return 0
}
- -re "Reading symbols from.*no debugging symbols found.*done.*$gdb_prompt $" {
+ -re "Reading symbols from.*no debugging symbols found.*$gdb_prompt $" {
verbose "\t\tLoaded $arg into $GDB with no debugging symbols"
set gdb_file_cmd_debug_info "nodebug"
return 0
}
- -re "Reading symbols from.*done.*$gdb_prompt $" {
+ -re "Reading symbols from.*$gdb_prompt $" {
verbose "\t\tLoaded $arg into $GDB"
set gdb_file_cmd_debug_info "debug"
return 0
}
-re "Load new symbol table from \".*\".*y or n. $" {
- send_gdb "y\n"
+ send_gdb "y\n" answer
gdb_expect 120 {
- -re "Reading symbols from.*done.*$gdb_prompt $" {
+ -re "Reading symbols from.*$gdb_prompt $" {
verbose "\t\tLoaded $arg with new symbol table into $GDB"
set gdb_file_cmd_debug_info "debug"
return 0
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
# Default gdb_start procedure.
proc default_gdb_start { } {
- global gdb_prompt pagination_prompt
+ global gdb_prompt
global gdb_spawn_id
global inferior_spawn_id
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
# When running over NFS, particularly if running many simultaneous
# tests on different hosts all using the same server, things can
# get really slow. Give gdb at least 3 minutes to start up.
- set loop_again 1
- while { $loop_again } {
- set loop_again 0
- gdb_expect 360 {
- -re "$pagination_prompt" {
- verbose "Hit pagination during startup. Pressing enter to continue."
- send_gdb "\n"
- set loop_again 1
- }
- -re "\[\r\n\]$gdb_prompt $" {
- verbose "GDB initialized."
- }
- -re "$gdb_prompt $" {
- perror "GDB never initialized."
- unset gdb_spawn_id
- return -1
- }
- timeout {
- perror "(timeout) GDB never initialized after 10 seconds."
- remote_close host
- unset gdb_spawn_id
- return -1
- }
+ gdb_expect 360 {
+ -re "\[\r\n\]$gdb_prompt $" {
+ verbose "GDB initialized."
+ }
+ -re "$gdb_prompt $" {
+ perror "GDB never initialized."
+ unset gdb_spawn_id
+ return -1
+ }
+ timeout {
+ perror "(timeout) GDB never initialized after 10 seconds."
+ remote_close host
+ unset gdb_spawn_id
+ return -1
}
}
warning "Couldn't set the width to 0."
}
}
+
+ gdb_debug_init
return 0
}
proc skip_python_tests_prompt { prompt_regexp } {
global gdb_py_is_py3k
- global gdb_py_is_py24
gdb_test_multiple "python print ('test')" "verify python support" {
-re "not supported.*$prompt_regexp" {
return 1
}
-re "$prompt_regexp" {}
- }
+ } "$prompt_regexp"
- set gdb_py_is_py24 0
gdb_test_multiple "python print (sys.version_info\[0\])" "check if python 3" {
-re "3.*$prompt_regexp" {
set gdb_py_is_py3k 1
-re ".*$prompt_regexp" {
set gdb_py_is_py3k 0
}
- }
- if { $gdb_py_is_py3k == 0 } {
- gdb_test_multiple "python print (sys.version_info\[1\])" "check if python 2.4" {
- -re "\[45\].*$prompt_regexp" {
- set gdb_py_is_py24 1
- }
- -re ".*$prompt_regexp" {
- set gdb_py_is_py24 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 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
}
}
+# 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 0
}
- # Set up, compile, and execute a test program containing _Complex types.
- # Include the current process ID in the file names to prevent conflicts
- # with invocations for multiple testsuites.
- set src [standard_temp_file complex[pid].c]
- set exe [standard_temp_file complex[pid].x]
+ # Compile a test program containing _Complex types.
- gdb_produce_source $src {
+ return [gdb_can_simple_compile complex {
int main() {
_Complex float cf;
_Complex double cd;
_Complex long double cld;
return 0;
}
- }
-
- verbose "compiling testfile $src" 2
- set compile_flags {debug nowarnings quiet}
- set lines [gdb_compile $src $exe executable $compile_flags]
- file delete $src
- file delete $exe
-
- if ![string match "" $lines] then {
- verbose "testfile compilation failed, returning 0" 2
- set result 0
- } else {
- set result 1
- }
-
- return $result
+ } executable]
}
# Return 1 if GDB can get a type for siginfo from the target, otherwise
gdb_caching_proc is_elf_target {
set me "is_elf_target"
- set src [standard_temp_file is_elf_target[pid].c]
- set obj [standard_temp_file is_elf_target[pid].o]
-
- gdb_produce_source $src {
- int foo () {return 0;}
- }
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $obj object {quiet}]
-
- file delete $src
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 0" 2
- return 0
+ set src { int foo () {return 0;} }
+ if {![gdb_simple_compile elf_target $src]} {
+ return 0
}
set fp_obj [open $obj "r"]
# This cannot be decided simply from looking at the target string,
# as it might depend on externally passed compiler options like -m64.
gdb_caching_proc is_ilp32_target {
- set me "is_ilp32_target"
-
- set src [standard_temp_file ilp32[pid].c]
- set obj [standard_temp_file ilp32[pid].o]
-
- gdb_produce_source $src {
+ return [gdb_can_simple_compile is_ilp32_target {
int dummy[sizeof (int) == 4
&& sizeof (void *) == 4
&& sizeof (long) == 4 ? 1 : -1];
- }
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $obj object {quiet}]
- file delete $src
- file delete $obj
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 0" 2
- return 0
- }
-
- verbose "$me: returning 1" 2
- return 1
+ }]
}
# Return 1 if target is LP64.
# This cannot be decided simply from looking at the target string,
# as it might depend on externally passed compiler options like -m64.
gdb_caching_proc is_lp64_target {
- set me "is_lp64_target"
-
- set src [standard_temp_file lp64[pid].c]
- set obj [standard_temp_file lp64[pid].o]
-
- gdb_produce_source $src {
+ return [gdb_can_simple_compile is_lp64_target {
int dummy[sizeof (int) == 4
&& sizeof (void *) == 8
&& sizeof (long) == 8 ? 1 : -1];
- }
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $obj object {quiet}]
- file delete $src
- file delete $obj
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 0" 2
- return 0
- }
-
- verbose "$me: returning 1" 2
- return 1
+ }]
}
# Return 1 if target has 64 bit addresses.
# This cannot be decided simply from looking at the target string,
# as it might depend on externally passed compiler options like -m64.
gdb_caching_proc is_64_target {
- set me "is_64_target"
-
- set src [standard_temp_file is64[pid].c]
- set obj [standard_temp_file is64[pid].o]
-
- gdb_produce_source $src {
+ return [gdb_can_simple_compile is_64_target {
int function(void) { return 3; }
int dummy[sizeof (&function) == 8 ? 1 : -1];
- }
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $obj object {quiet}]
- file delete $src
- file delete $obj
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 0" 2
- return 0
- }
-
- verbose "$me: returning 1" 2
- return 1
+ }]
}
# Return 1 if target has x86_64 registers - either amd64 or x32.
return 0
}
- set me "is_amd64_regs_target"
+ return [gdb_can_simple_compile is_amd64_regs_target {
+ int main (void) {
+ asm ("incq %rax");
+ asm ("incq %r15");
- set src [standard_temp_file reg64[pid].s]
- set obj [standard_temp_file reg64[pid].o]
-
- set list {}
- foreach reg \
- {rax rbx rcx rdx rsi rdi rbp rsp r8 r9 r10 r11 r12 r13 r14 r15} {
- lappend list "\tincq %$reg"
+ return 0;
}
- gdb_produce_source $src [join $list \n]
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $obj object {quiet}]
- file delete $src
- file delete $obj
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 0" 2
- return 0
- }
-
- verbose "$me: returning 1" 2
- return 1
+ }]
}
# Return 1 if this target is an x86 or x86-64 with -m32.
return 0
}
- set me "is_aarch32_target"
-
- set src [standard_temp_file aarch32[pid].s]
- set obj [standard_temp_file aarch32[pid].o]
-
set list {}
foreach reg \
{r0 r1 r2 r3} {
lappend list "\tmov $reg, $reg"
}
- gdb_produce_source $src [join $list \n]
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $obj object {quiet}]
- file delete $src
- file delete $obj
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 0" 2
- return 0
- }
- verbose "$me: returning 1" 2
- return 1
+ return [gdb_can_simple_compile aarch32 [join $list \n]]
}
# Return 1 if this target is an aarch64, either lp64 or ilp32.
}
# Make sure we have a compiler that understands altivec.
- set compile_flags {debug nowarnings}
if [get_compiler_info] {
warning "Could not get compiler info"
return 1
}
if [test_compiler_info gcc*] {
- set compile_flags "$compile_flags additional_flags=-maltivec"
+ set compile_flags "additional_flags=-maltivec"
} elseif [test_compiler_info xlc*] {
- set compile_flags "$compile_flags additional_flags=-qaltivec"
+ set compile_flags "additional_flags=-qaltivec"
} else {
verbose "Could not compile with altivec support, returning 1" 2
return 1
}
- # Set up, compile, and execute a test program containing VMX instructions.
- # Include the current process ID in the file names to prevent conflicts
- # with invocations for multiple testsuites.
- set src [standard_temp_file vmx[pid].c]
- set exe [standard_temp_file vmx[pid].x]
-
- gdb_produce_source $src {
+ # Compile a test program containing VMX instructions.
+ set src {
int main() {
#ifdef __MACH__
asm volatile ("vor v0,v0,v0");
return 0;
}
}
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $exe executable $compile_flags]
- file delete $src
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 1" 2
+ if {![gdb_simple_compile $me $src executable $compile_flags]} {
return 1
}
- # No error message, compilation succeeded so now run it via gdb.
+ # Compilation succeeded so now run it via gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
- gdb_load "$exe"
+ gdb_load "$obj"
gdb_run_cmd
gdb_expect {
-re ".*Illegal instruction.*${gdb_prompt} $" {
}
}
gdb_exit
- remote_file build delete $exe
+ remote_file build delete $obj
verbose "$me: returning $skip_vmx_tests" 2
return $skip_vmx_tests
}
# Make sure we have a compiler that understands altivec.
- set compile_flags {debug nowarnings quiet}
if [get_compiler_info] {
warning "Could not get compiler info"
return 1
}
if [test_compiler_info gcc*] {
- set compile_flags "$compile_flags additional_flags=-mvsx"
+ set compile_flags "additional_flags=-mvsx"
} elseif [test_compiler_info xlc*] {
- set compile_flags "$compile_flags additional_flags=-qasm=gcc"
+ set compile_flags "additional_flags=-qasm=gcc"
} else {
verbose "Could not compile with vsx support, returning 1" 2
return 1
}
- set src [standard_temp_file vsx[pid].c]
- set exe [standard_temp_file vsx[pid].x]
-
- gdb_produce_source $src {
+ # Compile a test program containing VSX instructions.
+ set src {
int main() {
double a[2] = { 1.0, 2.0 };
#ifdef __MACH__
return 0;
}
}
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $exe executable $compile_flags]
- file delete $src
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 1" 2
+ if {![gdb_simple_compile $me $src executable $compile_flags]} {
return 1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
- gdb_load "$exe"
+ gdb_load "$obj"
gdb_run_cmd
gdb_expect {
-re ".*Illegal instruction.*${gdb_prompt} $" {
}
}
gdb_exit
- remote_file build delete $exe
+ remote_file build delete $obj
verbose "$me: returning $skip_vsx_tests" 2
return $skip_vsx_tests
set me "skip_tsx_tests"
- set src [standard_temp_file tsx[pid].c]
- set exe [standard_temp_file tsx[pid].x]
-
- gdb_produce_source $src {
- int main() {
- asm volatile ("xbegin .L0");
- asm volatile ("xend");
- asm volatile (".L0: nop");
- return 0;
- }
+ # Compile a test program.
+ set src {
+ int main() {
+ asm volatile ("xbegin .L0");
+ asm volatile ("xend");
+ asm volatile (".L0: nop");
+ return 0;
+ }
}
-
- verbose "$me: compiling testfile $src" 2
- set lines [gdb_compile $src $exe executable {nowarnings quiet}]
- file delete $src
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed." 2
+ if {![gdb_simple_compile $me $src executable]} {
return 1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
- gdb_load "$exe"
+ gdb_load "$obj"
gdb_run_cmd
gdb_expect {
-re ".*Illegal instruction.*${gdb_prompt} $" {
}
}
gdb_exit
- remote_file build delete $exe
+ remote_file build delete $obj
verbose "$me: returning $skip_tsx_tests" 2
return $skip_tsx_tests
return 1
}
- # Set up, compile, and execute a test program.
- # Include the current process ID in the file names to prevent conflicts
- # with invocations for multiple testsuites.
- set src [standard_temp_file btrace[pid].c]
- set exe [standard_temp_file btrace[pid].x]
-
- gdb_produce_source $src {
- int main(void) { return 0; }
- }
-
- verbose "$me: compiling testfile $src" 2
- set compile_flags {debug nowarnings quiet}
- set lines [gdb_compile $src $exe executable $compile_flags]
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 1" 2
- file delete $src
- return 1
+ # Compile a test program.
+ set src { int main() { return 0; } }
+ if {![gdb_simple_compile $me $src executable]} {
+ return 0
}
# No error message, compilation succeeded so now run it via gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
- gdb_load $exe
+ gdb_load $obj
if ![runto_main] {
- file delete $src
return 1
}
- 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" "check btrace support" {
}
}
gdb_exit
- remote_file build delete $exe
+ remote_file build delete $obj
verbose "$me: returning $skip_btrace_tests" 2
return $skip_btrace_tests
return 1
}
- # Set up, compile, and execute a test program.
- # Include the current process ID in the file names to prevent conflicts
- # with invocations for multiple testsuites.
- set src [standard_temp_file btrace[pid].c]
- set exe [standard_temp_file btrace[pid].x]
-
- gdb_produce_source $src {
- int main(void) { return 0; }
- }
-
- verbose "$me: compiling testfile $src" 2
- set compile_flags {debug nowarnings quiet}
- set lines [gdb_compile $src $exe executable $compile_flags]
-
- if ![string match "" $lines] then {
- verbose "$me: testfile compilation failed, returning 1" 2
- file delete $src
- return 1
+ # Compile a test program.
+ set src { int main() { return 0; } }
+ if {![gdb_simple_compile $me $src executable]} {
+ return 0
}
# No error message, compilation succeeded so now run it via gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
- gdb_load $exe
+ gdb_load $obj
if ![runto_main] {
- file delete $src
return 1
}
- 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 $" {
}
}
gdb_exit
- remote_file build delete $exe
+ remote_file build delete $obj
verbose "$me: returning $skip_btrace_tests" 2
return $skip_btrace_tests
}
+# Run a test on the target to see if it supports Aarch64 SVE hardware.
+# Return 0 if so, 1 if it does not. Note this causes a restart of GDB.
+
+gdb_caching_proc skip_aarch64_sve_tests {
+ global srcdir subdir gdb_prompt inferior_exited_re
+
+ set me "skip_aarch64_sve_tests"
+
+ if { ![is_aarch64_target]} {
+ return 1
+ }
+
+ set compile_flags "{additional_flags=-march=armv8-a+sve}"
+
+ # Compile a test program containing SVE instructions.
+ set src {
+ int main() {
+ asm volatile ("ptrue p0.b");
+ return 0;
+ }
+ }
+ if {![gdb_simple_compile $me $src executable $compile_flags]} {
+ return 1
+ }
+
+ # Compilation succeeded so now run it via gdb.
+ clean_restart $obj
+ gdb_run_cmd
+ gdb_expect {
+ -re ".*Illegal instruction.*${gdb_prompt} $" {
+ verbose -log "\n$me sve hardware not detected"
+ set skip_sve_tests 1
+ }
+ -re ".*$inferior_exited_re normally.*${gdb_prompt} $" {
+ verbose -log "\n$me: sve hardware detected"
+ set skip_sve_tests 0
+ }
+ default {
+ warning "\n$me: default case taken"
+ set skip_sve_tests 1
+ }
+ }
+ gdb_exit
+ remote_file build delete $obj
+
+ verbose "$me: returning $skip_sve_tests" 2
+ return $skip_sve_tests
+}
+
+
+# A helper that compiles a test case to see if __int128 is supported.
+proc gdb_int128_helper {lang} {
+ return [gdb_can_simple_compile "i128-for-$lang" {
+ __int128 x;
+ int main() { return 0; }
+ } executable $lang]
+}
+
+# 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 true if the IFUNC feature is unsupported.
+gdb_caching_proc skip_ifunc_tests {
+ if [gdb_can_simple_compile ifunc {
+ extern void f_ ();
+ typedef void F (void);
+ F* g (void) { return &f_; }
+ void f () __attribute__ ((ifunc ("g")));
+ } object] {
+ return 0
+ } else {
+ return 1
+ }
+}
+
# Return whether we should skip tests for showing inlined functions in
# backtraces. Requires get_compiler_info and get_debug_format.
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.
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 $test
return 1
}
-re "$prompt_regexp" {
pass $test
}
- }
+ } "$prompt_regexp"
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 $"]
+}
+
# Return the effective value of use_gdb_stub.
#
# If the use_gdb_stub global has been set (it is set when the gdb process is
# We have to use -E and -o together, despite the comments
# above, because of how DejaGnu handles remote host testing.
set ppout "$outdir/compiler.i"
- gdb_compile "${ifile}" "$ppout" preprocess [list "$arg" quiet]
+ gdb_compile "${ifile}" "$ppout" preprocess [list "$arg" quiet getting_compiler_info]
set file [open $ppout r]
set cppout [read $file]
close $file
} else {
- set cppout [ gdb_compile "${ifile}" "" preprocess [list "$arg" quiet] ]
+ set cppout [ gdb_compile "${ifile}" "" preprocess [list "$arg" quiet getting_compiler_info] ]
}
eval log_file $saved_log
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
+}
+
+# Compile the code in $code to a file based on $name, using the flags
+# $compile_flag as well as debug, nowarning and quiet.
+# Return 1 if code can be compiled
+# Leave the file name of the resulting object in the upvar object.
+
+proc gdb_simple_compile {name code {type object} {compile_flags {}} {object obj}} {
+ upvar $object obj
+
+ switch -regexp -- $type {
+ "executable" {
+ set postfix "x"
+ }
+ "object" {
+ set postfix "o"
+ }
+ "preprocess" {
+ set postfix "i"
+ }
+ "assembly" {
+ set postfix "s"
+ }
+ }
+ set src [standard_temp_file $name-[pid].c]
+ set obj [standard_temp_file $name-[pid].$postfix]
+ set compile_flags [concat $compile_flags {debug nowarnings quiet}]
+
+ gdb_produce_source $src $code
+
+ verbose "$name: compiling testfile $src" 2
+ set lines [gdb_compile $src $obj $type $compile_flags]
+
+ file delete $src
+
+ if ![string match "" $lines] then {
+ verbose "$name: compilation failed, returning 0" 2
+ return 0
+ }
+ return 1
+}
+
+# Compile the code in $code to a file based on $name, using the flags
+# $compile_flag as well as debug, nowarning and quiet.
+# Return 1 if code can be compiled
+# Delete all created files and objects.
+
+proc gdb_can_simple_compile {name code {type object} {compile_flags ""}} {
+ set ret [gdb_simple_compile $name $code $type $compile_flags temp_obj]
+ file delete $temp_obj
+ return $ret
+}
+
# 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 ""
# dynamically load libraries at runtime. For example, on Linux, this adds
# -ldl so that the test can use dlopen.
# - nowarnings: Inhibit all compiler warnings.
+# - pie: Force creation of PIE executables.
+# - nopie: Prevent creation of PIE executables.
#
# And here are some of the not too obscure options understood by DejaGnu that
# influence the compilation:
# 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
+ set getting_compiler_info 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
+ } elseif { $opt == "getting_compiler_info" } {
+ # If this is set, calling test_compiler_info will cause recursion.
+ set getting_compiler_info 1
} else {
lappend new_options $opt
}
}
+ # Ensure stack protector is disabled for GCC, as this causes problems with
+ # DWARF line numbering.
+ # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88432
+ # This option defaults to on for Debian/Ubuntu.
+ if { $getting_compiler_info == 0
+ && [test_compiler_info {gcc-*-*}]
+ && !([test_compiler_info {gcc-[0-3]-*}]
+ || [test_compiler_info {gcc-4-0-*}])
+ && [lsearch -exact $options rust] == -1} {
+ # Put it at the front to not override any user-provided value.
+ lappend new_options "early_flags=-fno-stack-protector"
+ }
+
# Because we link with libraries using their basename, we may need
# (depending on the platform) to set a special rpath value, to allow
# the executable to find the libraries it depends on.
set options [lreplace $options $nowarnings $nowarnings $flag]
}
+ # Replace the "pie" option with the appropriate compiler and linker flags
+ # to enable PIE executables.
+ set pie [lsearch -exact $options pie]
+ if {$pie != -1} {
+ if [target_info exists gdb,pie_flag] {
+ set flag "additional_flags=[target_info gdb,pie_flag]"
+ } else {
+ # For safety, use fPIE rather than fpie. On AArch64, m68k, PowerPC
+ # and SPARC, fpie can cause compile errors due to the GOT exceeding
+ # a maximum size. On other architectures the two flags are
+ # identical (see the GCC manual). Note Debian9 and Ubuntu16.10
+ # onwards default GCC to using fPIE. If you do require fpie, then
+ # it can be set using the pie_flag.
+ set flag "additional_flags=-fPIE"
+ }
+ set options [lreplace $options $pie $pie $flag]
+
+ if [target_info exists gdb,pie_ldflag] {
+ set flag "ldflags=[target_info gdb,pie_ldflag]"
+ } else {
+ set flag "ldflags=-pie"
+ }
+ lappend options "$flag"
+ }
+
+ # Replace the "nopie" option with the appropriate linker flag to disable
+ # PIE executables. There are no compiler flags for this option.
+ set nopie [lsearch -exact $options nopie]
+ if {$nopie != -1} {
+ if [target_info exists gdb,nopie_flag] {
+ set flag "ldflags=[target_info gdb,nopie_flag]"
+ } else {
+ set flag "ldflags=-no-pie"
+ }
+ set options [lreplace $options $nopie $nopie $flag]
+ }
+
if { $type == "executable" } {
if { ([istarget "*-*-mingw*"]
|| [istarget "*-*-*djgpp"]
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.
set outdir [file dirname $dest]
set objects ""
foreach source $sources {
- set sourcebase [file tail $source]
- if {[gdb_compile $source "${outdir}/${sourcebase}.o" object $obj_options] != ""} {
- return -1
- }
- lappend objects ${outdir}/${sourcebase}.o
+ set sourcebase [file tail $source]
+ if {[file extension $source] == ".o"} {
+ # Already a .o file.
+ lappend objects $source
+ } elseif {[gdb_compile $source "${outdir}/${sourcebase}.o" object \
+ $obj_options] != ""} {
+ return -1
+ } else {
+ lappend objects ${outdir}/${sourcebase}.o
+ }
}
set link_options $options
}
}
-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"]
}
# Copy the listed library to the target.
proc gdb_load_shlib { file } {
+ global gdb_spawn_id
+
+ if ![info exists gdb_spawn_id] {
+ perror "gdb_load_shlib: GDB is not running"
+ }
+
set dest [gdb_remote_download target [shlib_target_file $file]]
if {[is_remote target]} {
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} {
# read from this file.
setenv INPUTRC "/dev/null"
- # The gdb.base/readline.exp arrow key test relies on the standard VT100
- # bindings, so make sure that an appropriate terminal is selected.
- # The same bug doesn't show up if we use ^P / ^N instead.
- setenv TERM "vt100"
+ # This disables style output, which would interfere with many
+ # tests.
+ setenv TERM "dumb"
+
+ # Initialize GDB's pty with a fixed size, to make sure we avoid pagination
+ # during startup. See "man expect" for details about stty_init.
+ global stty_init
+ set stty_init "rows 25 cols 80"
# Some tests (for example gdb.base/maint.exp) shell out from gdb to use
# grep. Clear GREP_OPTIONS to make the behavior predictable,
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 { $res == 1 } {
+ return 1
+ }
+ return 0
+}
+
# Return true if a test should be skipped due to lack of floating
# point support or GDB can't fetch the contents from floating point
# registers.
# NOTE: This must be called while gdb is *not* running.
gdb_caching_proc gdb_skip_xml_test {
+ global gdb_spawn_id
global gdb_prompt
global srcdir
+ if { [info exists gdb_spawn_id] } {
+ error "GDB must not be running in gdb_skip_xml_tests."
+ }
+
set xml_file [gdb_remote_download host "${srcdir}/gdb.xml/trivial.xml"]
gdb_start
gdb_caching_proc gdb_has_argv0 {
set result 0
- # Set up, compile, and execute a test program to check whether
- # argv[0] is available.
- set src [standard_temp_file has_argv0[pid].c]
- set exe [standard_temp_file has_argv0[pid].x]
-
- gdb_produce_source $src {
+ # Compile and execute a test program to check whether argv[0] is available.
+ gdb_simple_compile has_argv0 {
int main (int argc, char **argv) {
return 0;
}
- }
+ } executable
- gdb_compile $src $exe executable {debug}
# Helper proc.
proc gdb_has_argv0_1 { exe } {
return $retval
}
- set result [gdb_has_argv0_1 $exe]
+ set result [gdb_has_argv0_1 $obj]
gdb_exit
- file delete $src
- file delete $exe
+ file delete $obj
if { !$result
&& ([istarget *-*-linux*]
# 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 $args 0]
} else {
return 0
}
-proc get_valueof { fmt exp default } {
+# Retrieve the value of EXP in the inferior, represented in format
+# specified in FMT (using "printFMT"). DEFAULT is used as fallback if
+# print fails. TEST is the test message to use. It can be omitted,
+# in which case a test message is built from EXP.
+
+proc get_valueof { fmt exp default {test ""} } {
global gdb_prompt
- set test "get valueof \"${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 ($val)"
+ pass "$test"
}
timeout {
fail "$test (timeout)"
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 [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]} {
# for linker symbol prefixes.
gdb_caching_proc gdb_target_symbol_prefix {
- # Set up and compile a simple test program...
- set src [standard_temp_file main[pid].c]
- set exe [standard_temp_file main[pid].x]
+ # Compile a simple test program...
+ set src { int main() { return 0; } }
+ if {![gdb_simple_compile target_symbol_prefix $src executable]} {
+ return 0
+ }
- gdb_produce_source $src {
- int main() {
- return 0;
- }
+ set prefix ""
+
+ set objdump_program [gdb_find_objdump]
+ set result [catch "exec $objdump_program --syms $obj" output]
+
+ if { $result == 0 \
+ && ![regexp -lineanchor \
+ { ([^ a-zA-Z0-9]*)main$} $output dummy prefix] } {
+ verbose "gdb_target_symbol_prefix: Could not find main in objdump output; returning null prefix" 2
}
- verbose "compiling testfile $src" 2
- set compile_flags {debug nowarnings quiet}
- set lines [gdb_compile $src $exe executable $compile_flags]
+ file delete $obj
- set prefix ""
+ return $prefix
+}
- if ![string match "" $lines] then {
- verbose "gdb_target_symbol_prefix: testfile compilation failed, returning null prefix" 2
- } else {
- set objdump_program [gdb_find_objdump]
- set result [catch "exec $objdump_program --syms $exe" output]
+# Return 1 if target supports scheduler locking, otherwise return 0.
+
+gdb_caching_proc target_supports_scheduler_locking {
+ global gdb_prompt
+
+ set me "gdb_target_supports_scheduler_locking"
+
+ set src { int main() { return 0; } }
+ if {![gdb_simple_compile $me $src executable]} {
+ return 0
+ }
- if { $result == 0 \
- && ![regexp -lineanchor \
- { ([^ a-zA-Z0-9]*)main$} $output dummy prefix] } {
- verbose "gdb_target_symbol_prefix: Could not find main in objdump output; returning null prefix" 2
+ clean_restart $obj
+ if ![runto_main] {
+ return 0
+ }
+
+ set supports_schedule_locking -1
+ set current_schedule_locking_mode ""
+
+ set test "reading current scheduler-locking mode"
+ gdb_test_multiple "show scheduler-locking" $test {
+ -re "Mode for locking scheduler during execution is \"(\[\^\"\]*)\".*$gdb_prompt" {
+ set current_schedule_locking_mode $expect_out(1,string)
+ }
+ -re "$gdb_prompt $" {
+ set supports_schedule_locking 0
+ }
+ timeout {
+ set supports_schedule_locking 0
}
}
- file delete $src
- file delete $exe
+ if { $supports_schedule_locking == -1 } {
+ set test "checking for scheduler-locking support"
+ gdb_test_multiple "set scheduler-locking $current_schedule_locking_mode" $test {
+ -re "Target '\[^'\]+' cannot support this command\..*$gdb_prompt $" {
+ set supports_schedule_locking 0
+ }
+ -re "$gdb_prompt $" {
+ set supports_schedule_locking 1
+ }
+ timeout {
+ set supports_schedule_locking 0
+ }
+ }
+ }
- return $prefix
+ if { $supports_schedule_locking == -1 } {
+ set supports_schedule_locking 0
+ }
+
+ gdb_exit
+ remote_file build delete $obj
+ verbose "$me: returning $supports_schedule_locking" 2
+ return $supports_schedule_locking
}
# gdb_target_symbol returns the provided symbol with the correct prefix
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 " {
+ }
+ }
+ }
+ }
+}
+
+# Override the 'cd' builtin with a version that ensures that the
+# log file keeps pointing at the same file. We need this because
+# unfortunately the path to the log file is recorded using an
+# relative path name, and, we sometimes need to close/reopen the log
+# after changing the current directory. See get_compiler_info.
+
+rename cd builtin_cd
+
+proc cd { dir } {
+
+ # Get the existing log file flags.
+ set log_file_info [log_file -info]
+
+ # Split the flags into args and file name.
+ set log_file_flags ""
+ set log_file_file ""
+ foreach arg [ split "$log_file_info" " "] {
+ if [string match "-*" $arg] {
+ lappend log_file_flags $arg
+ } else {
+ lappend log_file_file $arg
+ }
+ }
+
+ # If there was an existing file, ensure it is an absolute path, and then
+ # reset logging.
+ if { $log_file_file != "" } {
+ set log_file_file [file normalize $log_file_file]
+ log_file
+ log_file $log_file_flags "$log_file_file"
+ }
+
+ # Call the builtin version of cd.
+ builtin_cd $dir
+}
+
+# Return a list of all languages supported by GDB, suitable for use in
+# 'set language NAME'. This doesn't include either the 'local' or
+# 'auto' keywords.
+proc gdb_supported_languages {} {
+ return [list c objective-c c++ d go fortran modula-2 asm pascal \
+ 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 { } {
+ # Always disabled for GDB only setups.
+ 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