156 lines
4.6 KiB
Plaintext
156 lines
4.6 KiB
Plaintext
# Copyright 2003-2016 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
|
|
# the Free Software Foundation; either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# Find a pathname to a file that we would execute if the shell was asked
|
|
# to run $arg using the current PATH.
|
|
|
|
proc find_gdb { arg } {
|
|
|
|
# If the arg directly specifies an existing executable file, then
|
|
# simply use it.
|
|
|
|
if [file executable $arg] then {
|
|
return $arg
|
|
}
|
|
|
|
set result [which $arg]
|
|
if [string match "/" [ string range $result 0 0 ]] then {
|
|
return $result
|
|
}
|
|
|
|
# If everything fails, just return the unqualified pathname as default
|
|
# and hope for best.
|
|
|
|
return $arg
|
|
}
|
|
|
|
# A helper proc that sets up for self-testing.
|
|
# EXECUTABLE is the gdb to use.
|
|
# FUNCTION is the function to break in, either captured_main
|
|
# or captured_command_loop.
|
|
|
|
proc selftest_setup { executable function } {
|
|
global gdb_prompt
|
|
global timeout
|
|
global INTERNAL_GDBFLAGS
|
|
|
|
# load yourself into the debugger
|
|
# This can take a relatively long time, particularly for testing where
|
|
# the executable is being accessed over a network, or where gdb does not
|
|
# support partial symbols for a particular target and has to load the
|
|
# entire symbol table. Set the timeout to 10 minutes, which should be
|
|
# adequate for most environments (it *has* timed out with 5 min on a
|
|
# SPARCstation SLC under moderate load, so this isn't unreasonable).
|
|
# After gdb is started, set the timeout to 30 seconds for the duration
|
|
# of this test, and then back to the original value.
|
|
|
|
set oldtimeout $timeout
|
|
set timeout 600
|
|
verbose "Timeout is now $timeout seconds" 2
|
|
|
|
global gdb_file_cmd_debug_info
|
|
set gdb_file_cmd_debug_info "unset"
|
|
|
|
set result [gdb_load $executable]
|
|
set timeout $oldtimeout
|
|
verbose "Timeout is now $timeout seconds" 2
|
|
|
|
if { $result != 0 } then {
|
|
return -1
|
|
}
|
|
|
|
if { $gdb_file_cmd_debug_info != "debug" } then {
|
|
untested "No debug information, skipping testcase."
|
|
return -1
|
|
}
|
|
|
|
# Set a breakpoint at main
|
|
gdb_test "break $function" \
|
|
"Breakpoint.*at.* file.*, line.*" \
|
|
"breakpoint in $function"
|
|
|
|
# run yourself
|
|
# It may take a very long time for the inferior gdb to start (lynx),
|
|
# so we bump it back up for the duration of this command.
|
|
set timeout 600
|
|
|
|
set description "run until breakpoint at $function"
|
|
gdb_test_multiple "run $INTERNAL_GDBFLAGS" "$description" {
|
|
-re "Starting program.*Breakpoint \[0-9\]+,.*$function .data.* at .*main.c:.*$gdb_prompt $" {
|
|
pass "$description"
|
|
}
|
|
-re "Starting program.*Breakpoint \[0-9\]+,.*$function .data.*$gdb_prompt $" {
|
|
xfail "$description (line numbers scrambled?)"
|
|
}
|
|
-re "vfork: No more processes.*$gdb_prompt $" {
|
|
fail "$description (out of virtual memory)"
|
|
set timeout $oldtimeout
|
|
verbose "Timeout is now $timeout seconds" 2
|
|
return -1
|
|
}
|
|
-re ".*$gdb_prompt $" {
|
|
fail "$description"
|
|
set timeout $oldtimeout
|
|
verbose "Timeout is now $timeout seconds" 2
|
|
return -1
|
|
}
|
|
}
|
|
|
|
set timeout $oldtimeout
|
|
verbose "Timeout is now $timeout seconds" 2
|
|
|
|
return 0
|
|
}
|
|
|
|
# A simple way to run some self-tests.
|
|
|
|
proc do_self_tests {function body} {
|
|
global GDB tool
|
|
|
|
# Are we on a target board.
|
|
if { [is_remote target] || ![isnative] } then {
|
|
return
|
|
}
|
|
|
|
# Run the test with self. Copy the file executable file in case
|
|
# this OS doesn't like to edit its own text space.
|
|
|
|
set GDB_FULLPATH [find_gdb $GDB]
|
|
|
|
if {[is_remote host]} {
|
|
set xgdb x$tool
|
|
} else {
|
|
set xgdb [standard_output_file x$tool]
|
|
}
|
|
|
|
# Remove any old copy lying around.
|
|
remote_file host delete $xgdb
|
|
|
|
gdb_start
|
|
set file [remote_download host $GDB_FULLPATH $xgdb]
|
|
|
|
set result [selftest_setup $file $function]
|
|
if {$result == 0} then {
|
|
set result [uplevel $body]
|
|
}
|
|
|
|
gdb_exit
|
|
catch "remote_file host delete $file"
|
|
|
|
if {$result < 0} then {
|
|
warning "Couldn't test self"
|
|
}
|
|
}
|