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# Copyright 2002-2013 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/>.
# This file was written by Joel Brobecker. (brobecker@gnat.com), derived
# from selftest.exp, written by Rob Savoye.
# are we on a target board
if { [is_remote target] || ![isnative] } then {
return
}
proc setup_test { executable } {
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 captured_main" \
"Breakpoint.*at.* file.*, line.*" \
"breakpoint in captured_main"
# 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 captured_main"
gdb_test_multiple "run $INTERNAL_GDBFLAGS" "$description" {
-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .data.* at .*main.c:.*$gdb_prompt $" {
pass "$description"
}
-re "Starting program.*Breakpoint \[0-9\]+,.*captured_main .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
}
proc test_with_self { executable } {
set setup_result [setup_test $executable]
if {$setup_result <0} then {
return -1
}
# A file which contains a directory prefix
gdb_test "print gdb_realpath (\"./xfullpath.exp\")" \
".\[0-9\]+ =.*\".*/xfullpath.exp\"" \
"A filename with ./ as the directory prefix"
# A file which contains a directory prefix
gdb_test "print gdb_realpath (\"../../defs.h\")" \
".\[0-9\]+ =.*\".*/defs.h\"" \
"A filename with ../ in the directory prefix"
# A one-character filename
gdb_test "print gdb_realpath (\"./a\")" \
".\[0-9\]+ =.*\".*/a\"" \
"A one-char filename in the current directory"
# A file in the root directory
gdb_test "print gdb_realpath (\"/root_file_which_should_exist\")" \
".\[0-9\]+ =.*\"/root_file_which_should_exist\"" \
"A filename in the root directory"
# A file which does not have a directory prefix
gdb_test "print gdb_realpath (\"xfullpath.exp\")" \
".\[0-9\]+ =.*\"xfullpath.exp\"" \
"A filename without any directory prefix"
# A one-char filename without any directory prefix
gdb_test "print gdb_realpath (\"a\")" \
".\[0-9\]+ =.*\"a\"" \
"A one-char filename without any directory prefix"
# An empty filename
gdb_test "print gdb_realpath (\"\")" \
".\[0-9\]+ =.*\"\"" \
"An empty filename"
return 0
}
# 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
}
# 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 $GDB]
# Remove any old copy lying around.
remote_file host delete x$tool
gdb_start
set file [remote_download host $GDB_FULLPATH x$tool]
set result [test_with_self $file];
gdb_exit;
catch "remote_file host delete $file";
if {$result <0} then {
warning "Couldn't test self"
return -1
}
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