-# 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
set inferior_exited_re "(\\\[Inferior \[0-9\]+ \\(.*\\) exited)"
+# A regular expression that matches a value history number.
+# E.g., $1, $2, etc.
+set valnum_re "\\\$$decimal"
+
### Only procedures should come after this point.
#
}
}
+# 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 $args no-message]
}
-re "The target does not support running in non-stop mode.\r\n$gdb_prompt $" {
if { $print_fail } {
- unsupported "Non-stop mode not supported"
+ unsupported "non-stop mode not supported"
}
return 0
}
}
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 $" $expected_output_list]
}
global GDB
global INTERNAL_GDBFLAGS GDBFLAGS
global verbose
- global gdb_spawn_id
+ global gdb_spawn_id inferior_spawn_id
global inotify_log_file
gdb_stop_suppressing_tests
remote_close host
}
unset gdb_spawn_id
+ unset inferior_spawn_id
}
# Load a file into the debugger.
return 0
}
-# Return a 1 if I don't even want to try to test java.
-
-proc skip_java_tests {} {
- return 0
-}
-
# Return a 1 if I don't even want to try to test D.
proc skip_d_tests {} {
return 0
}
+# Return 1 to skip Rust tests, 0 to try them.
+proc skip_rust_tests {} {
+ return [expr {![isnative]}]
+}
+
# Return a 1 for configurations that do not support Python scripting.
# PROMPT_REGEXP is the expected prompt.
}
}
+# Like TCL's native proc, but defines a procedure that wraps its body
+# within 'with_test_prefix "$proc_name" { ... }'.
+proc proc_with_prefix {name arguments body} {
+ # Define the advertised proc.
+ proc $name $arguments [list with_test_prefix $name $body]
+}
+
+
# Run BODY in the context of the caller. After BODY is run, the variables
# listed in VARS will be reset to the values they had before BODY was run.
#
}
}
+# 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
}
}
+# Switch the default spawn id to SPAWN_ID, so that gdb_test,
+# mi_gdb_test etc. default to using it.
+
+proc switch_gdb_spawn_id {spawn_id} {
+ global gdb_spawn_id
+ global board board_info
+
+ set gdb_spawn_id $spawn_id
+ set board [host_info name]
+ set board_info($board,fileid) $spawn_id
+}
+
+# Clear the default spawn id.
+
+proc clear_gdb_spawn_id {} {
+ global gdb_spawn_id
+ global board board_info
+
+ unset -nocomplain gdb_spawn_id
+ set board [host_info name]
+ unset -nocomplain board_info($board,fileid)
+}
+
+# Run BODY with SPAWN_ID as current spawn id.
+
+proc with_spawn_id { spawn_id body } {
+ global gdb_spawn_id
+
+ if [info exists gdb_spawn_id] {
+ set saved_spawn_id $gdb_spawn_id
+ }
+
+ switch_gdb_spawn_id $spawn_id
+
+ set code [catch {uplevel 1 $body} result]
+
+ if [info exists saved_spawn_id] {
+ switch_gdb_spawn_id $saved_spawn_id
+ } else {
+ clear_gdb_spawn_id
+ }
+
+ if {$code == 1} {
+ global errorInfo errorCode
+ return -code $code -errorinfo $errorInfo -errorcode $errorCode $result
+ } else {
+ return -code $code $result
+ }
+}
+
# Select the largest timeout from all the timeouts:
# - the local "timeout" variable of the scope two levels above,
# - the global "timeout" variable,
# Return 1 if _Complex types are supported, otherwise, return 0.
gdb_caching_proc support_complex_tests {
+
+ if { [gdb_skip_float_test] } {
+ # If floating point is not supported, _Complex is not
+ # supported.
+ 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.
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.
|| [istarget "x86_64-*-*"]
|| [istarget "ia64-*-*"]
|| [istarget "arm*-*-*"]
- || [istarget "aarch64*-*-*"]} {
+ || [istarget "aarch64*-*-*"]
+ || [istarget "s390*-*-*"] } {
return 0
}
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
+# spawned), return that. Otherwise, return the value of the use_gdb_stub
+# property from the board file.
+#
+# This is the preferred way of checking use_gdb_stub, since it allows to check
+# the value before the gdb has been spawned and it will return the correct value
+# even when it was overriden by the test.
+
+proc use_gdb_stub {} {
+ global use_gdb_stub
+
+ if [info exists use_gdb_stub] {
+ return $use_gdb_stub
+ }
+
+ return [target_info exists use_gdb_stub]
+}
+
# Return 1 if the current remote target is an instance of our GDBserver, 0
# otherwise. Return -1 if there was an error and we can't tell.
global gdb_prompt
set is_gdbserver -1
- set test "Probing for GDBserver"
+ set test "probing for GDBserver"
gdb_test_multiple "monitor help" $test {
-re "The following monitor commands are supported.*Quit GDBserver.*$gdb_prompt $" {
}
# Set the legacy symbols.
- set gcc_compiled 0
- if { [regexp "^gcc-1-" "$compiler_info" ] } { set gcc_compiled 1 }
- if { [regexp "^gcc-2-" "$compiler_info" ] } { set gcc_compiled 2 }
- if { [regexp "^gcc-3-" "$compiler_info" ] } { set gcc_compiled 3 }
- if { [regexp "^gcc-4-" "$compiler_info" ] } { set gcc_compiled 4 }
- if { [regexp "^gcc-5-" "$compiler_info" ] } { set gcc_compiled 5 }
+ set gcc_compiled 0
+ regexp "^gcc-(\[0-9\]+)-" "$compiler_info" matchall gcc_compiled
# Log what happened.
verbose -log "get_compiler_info: $compiler_info"
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
}
}
- # We typically link to shared libraries using an absolute path, and
- # that's how they are found at runtime. If we are going to
- # dynamically load one by basename, we must specify rpath. If we
- # are using a remote host, DejaGNU will link to the shared library
- # using a relative path, so again we must specify an rpath.
- if { $shlib_load || ($shlib_found && [is_remote target]) } {
+ # 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.
+ if { $shlib_load || $shlib_found } {
if { ([istarget "*-*-mingw*"]
|| [istarget *-*-cygwin*]
|| [istarget *-*-pe*]) } {
}
}
if {!$built_binfile} {
- unsupported "Couldn't compile [file tail $source]: ${why_msg}"
+ unsupported "couldn't compile [file tail $source]: ${why_msg}"
return -1
}
}
lappend obj_options "additional_flags=-fpic"
}
}
+ "icc-*" {
+ lappend obj_options "additional_flags=-fpic"
+ }
default {
# don't know what the compiler is...
}
set name ${dest}
}
lappend link_options "additional_flags=-Wl,--out-implib,${name}.a"
- } elseif [is_remote target] {
- # By default, we do not set the soname. This causes the linker
- # on ELF systems to create a DT_NEEDED entry in the executable
- # refering to the full path name of the library. This is a
- # problem in remote testing if the library is in a different
- # directory there. To fix this, we set a soname of just the
- # base filename for the library, and add an appropriate -rpath
- # to the main executable (in gdb_compile).
+ } else {
+ # Set the soname of the library. This causes the linker on ELF
+ # systems to create the DT_NEEDED entry in the executable referring
+ # to the soname of the library, and not its absolute path. This
+ # (using the absolute path) would be problem when testing on a
+ # remote target.
+ #
+ # In conjunction with setting the soname, we add the special
+ # rpath=$ORIGIN value when building the executable, so that it's
+ # able to find the library in its own directory.
set destbase [file tail $dest]
lappend link_options "additional_flags=-Wl,-soname,$destbase"
}
}
}
if {!$built_binfile} {
- unsupported "Couldn't compile $sources: ${why_msg}"
+ unsupported "couldn't compile $sources: ${why_msg}"
return -1
}
}
}
}
if {!$built_binfile} {
- unsupported "Couldn't compile [file tail $source]: ${why_msg}"
+ unsupported "couldn't compile [file tail $source]: ${why_msg}"
return -1
}
}
return $destname
} else {
- # When the DEST is local, we copy the file to the test directory
- # (where the executable is), except if that's already where it is.
+ # When the DEST is local, we copy the file to the test directory (where
+ # the executable is).
+ #
+ # Note that we pass TOFILE through standard_output_file, regardless of
+ # whether it is absolute or relative, because we don't want the tests
+ # to be able to write outside their standard output directory.
+
set tofile [standard_output_file $tofile]
file copy -force $fromfile $tofile
}
}
-# gdb_load_shlibs LIB...
+# gdb_load_shlib LIB...
#
-# Copy the listed libraries to the target.
+# Copy the listed library to the target.
-proc gdb_load_shlibs { args } {
- if {![is_remote target]} {
- return
- }
+proc gdb_load_shlib { file } {
+ set dest [gdb_remote_download target [shlib_target_file $file]]
- foreach file $args {
- gdb_remote_download target [shlib_target_file $file]
+ if {[is_remote target]} {
+ # If the target is remote, we need to tell gdb where to find the
+ # libraries.
+ #
+ # We could set this even when not testing remotely, but a user
+ # generally won't set it unless necessary. In order to make the tests
+ # more like the real-life scenarios, we don't set it for local testing.
+ gdb_test "set solib-search-path [file dirname $file]" "" ""
}
- # Even if the target supplies full paths for shared libraries,
- # they may not be paths for this system.
- gdb_test "set solib-search-path [file dirname [lindex $args 0]]" "" ""
+ return $dest
}
#
}
}
-# Print a message and return true if a test should be skipped
-# due to lack of floating point suport.
+# Return true if a test should be skipped due to lack of floating
+# point support or GDB can't fetch the contents from floating point
+# registers.
-proc gdb_skip_float_test { msg } {
+gdb_caching_proc gdb_skip_float_test {
if [target_info exists gdb,skip_float_tests] {
- verbose "Skipping test '$msg': no float tests."
return 1
}
+
+ # There is an ARM kernel ptrace bug that hardware VFP registers
+ # are not updated after GDB ptrace set VFP registers. The bug
+ # was introduced by kernel commit 8130b9d7b9d858aa04ce67805e8951e3cb6e9b2f
+ # in 2012 and is fixed in e2dfb4b880146bfd4b6aa8e138c0205407cebbaf
+ # in May 2016. In other words, kernels older than 4.6.3, 4.4.14,
+ # 4.1.27, 3.18.36, and 3.14.73 have this bug.
+ # This kernel bug is detected by check how does GDB change the
+ # program result by changing one VFP register.
+ if { [istarget "arm*-*-linux*"] } {
+
+ set compile_flags {debug nowarnings }
+
+ # Set up, compile, and execute a test program having VFP
+ # operations.
+ set src [standard_temp_file arm_vfp[pid].c]
+ set exe [standard_temp_file arm_vfp[pid].x]
+
+ gdb_produce_source $src {
+ int main() {
+ double d = 4.0;
+ int ret;
+
+ asm ("vldr d0, [%0]" : : "r" (&d));
+ asm ("vldr d1, [%0]" : : "r" (&d));
+ asm (".global break_here\n"
+ "break_here:");
+ asm ("vcmp.f64 d0, d1\n"
+ "vmrs APSR_nzcv, fpscr\n"
+ "bne L_value_different\n"
+ "movs %0, #0\n"
+ "b L_end\n"
+ "L_value_different:\n"
+ "movs %0, #1\n"
+ "L_end:\n" : "=r" (ret) :);
+
+ /* Return $d0 != $d1. */
+ return ret;
+ }
+ }
+
+ verbose "compiling testfile $src" 2
+ set lines [gdb_compile $src $exe executable $compile_flags]
+ file delete $src
+
+ if ![string match "" $lines] then {
+ verbose "testfile compilation failed, returning 1" 2
+ return 0
+ }
+
+ # No error message, compilation succeeded so now run it via gdb.
+ # Run the test up to 5 times to detect whether ptrace can
+ # correctly update VFP registers or not.
+ set skip_vfp_test 0
+ for {set i 0} {$i < 5} {incr i} {
+ global gdb_prompt srcdir subdir
+
+ gdb_exit
+ gdb_start
+ gdb_reinitialize_dir $srcdir/$subdir
+ gdb_load "$exe"
+
+ runto_main
+ gdb_test "break *break_here"
+ gdb_continue_to_breakpoint "break_here"
+
+ # Modify $d0 to a different value, so the exit code should
+ # be 1.
+ gdb_test "set \$d0 = 5.0"
+
+ set test "continue to exit"
+ gdb_test_multiple "continue" "$test" {
+ -re "exited with code 01.*$gdb_prompt $" {
+ }
+ -re "exited normally.*$gdb_prompt $" {
+ # However, the exit code is 0. That means something
+ # wrong in setting VFP registers.
+ set skip_vfp_test 1
+ break
+ }
+ }
+ }
+
+ gdb_exit
+ remote_file build delete $exe
+
+ return $skip_vfp_test
+ }
return 0
}
# NOTE: This must be called while gdb is *not* running.
gdb_caching_proc gdb_skip_xml_test {
+ global gdb_spawn_id
global gdb_prompt
global srcdir
+ if { [info exists gdb_spawn_id] } {
+ error "GDB must not be running in gdb_skip_xml_tests."
+ }
+
set xml_file [gdb_remote_download host "${srcdir}/gdb.xml/trivial.xml"]
gdb_start
}
}
set ret [$func $sources_path "${binfile}" $options]
+ } elseif {[lsearch -exact $options rust] != -1} {
+ set sources_path {}
+ foreach {s local_options} $args {
+ if { [regexp "^/" "$s"] } then {
+ lappend sources_path "$s"
+ } else {
+ lappend sources_path "$srcdir/$subdir/$s"
+ }
+ }
+ set ret [gdb_compile_rust $sources_path "${binfile}" $options]
} else {
set objects {}
set i 0
return 0
}
-proc get_valueof { fmt exp default } {
+# Retrieve the value of EXP in the inferior, represented in format
+# specified in FMT (using "printFMT"). DEFAULT is used as fallback if
+# print fails. TEST is the test message to use. It can be omitted,
+# in which case a test message is built from EXP.
+
+proc get_valueof { fmt exp default {test ""} } {
global gdb_prompt
- set test "get valueof \"${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)"
return ${val}
}
-proc get_hexadecimal_valueof { exp default } {
+# 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. It can be omitted, in which case
+# a test message is built from EXP.
+
+proc get_hexadecimal_valueof { exp default {test ""} } {
global gdb_prompt
- send_gdb "print /x ${exp}\n"
- set test "get hexadecimal valueof \"${exp}\""
- gdb_expect {
+
+ if {$test == ""} {
+ set test "get hexadecimal valueof \"${exp}\""
+ }
+
+ set val ${default}
+ gdb_test_multiple "print /x ${exp}" $test {
-re "\\$\[0-9\]* = (0x\[0-9a-zA-Z\]+).*$gdb_prompt $" {
set val $expect_out(1,string)
pass "$test"
}
- timeout {
- set val ${default}
- fail "$test (timeout)"
- }
}
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 "UTF-8"
}
+# Get the address of VAR.
+
+proc get_var_address { var } {
+ global gdb_prompt hex
+
+ # Match output like:
+ # $1 = (int *) 0x0
+ # $5 = (int (*)()) 0
+ # $6 = (int (*)()) 0x24 <function_bar>
+
+ gdb_test_multiple "print &${var}" "get address of ${var}" {
+ -re "\\\$\[0-9\]+ = \\(.*\\) (0|$hex)( <${var}>)?\[\r\n\]+${gdb_prompt} $"
+ {
+ pass "get address of ${var}"
+ if { $expect_out(1,string) == "0" } {
+ return "0x0"
+ } else {
+ return $expect_out(1,string)
+ }
+ }
+ }
+ 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 "\r\n"]
}
+# Similar to the above, but while multi_line is meant to be used to
+# match GDB output, this one is meant to be used to build strings to
+# send as GDB input.
+
+proc multi_line_input { args } {
+ 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
projects / external / binutils.git / blobdiff