e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
549 lines
20 KiB
Text
549 lines
20 KiB
Text
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2001, 2004, 2007 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@gnu.org
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# Test GDB's character set support.
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile "charset"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "couldn't compile ${srcdir}/${subdir}/${srcfile}"
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return -1
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}
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# Start with a fresh gdb.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Parse the output from a `show charset' command. Return the host
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# and target charset as a two-element list.
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proc parse_show_charset_output {testname} {
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global gdb_prompt
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gdb_expect {
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-re "The current host and target character set is `(.*)'\\.\[\r\n\]+$gdb_prompt $" {
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set host_charset $expect_out(1,string)
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set target_charset $expect_out(1,string)
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set retlist [list $host_charset $target_charset]
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pass $testname
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}
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-re "The current host character set is `(.*)'\\.\[\r\n\]+The current target character set is `(.*)'\\.\[\r\n\]+$gdb_prompt $" {
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set host_charset $expect_out(1,string)
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set target_charset $expect_out(2,string)
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set retlist [list $host_charset $target_charset]
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pass $testname
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}
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-re "The host character set is \"(.*)\"\\.\[\r\n\]+$gdb_prompt $" {
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set host_charset $expect_out(1,string)
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set retlist [list $host_charset]
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pass $testname
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}
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-re "The target character set is \"(.*)\"\\.\[\r\n\]+$gdb_prompt $" {
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set target_charset $expect_out(1,string)
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set retlist [list $target_charset]
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pass $testname
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}
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-re ".*$gdb_prompt $" {
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fail $testname
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}
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timeout {
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fail "$testname (timeout)"
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}
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}
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return $retlist
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}
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# Try the various `show charset' commands. These are all aliases of each
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# other; `show target-charset' and `show host-charset' actually print
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# both the host and target charsets.
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send_gdb "show charset\n"
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set show_charset [parse_show_charset_output "show charset"]
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send_gdb "show target-charset\n"
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set show_target_charset [parse_show_charset_output "show target-charset"]
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if {[lsearch $show_charset $show_target_charset] >= 0} {
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pass "check `show target-charset' against `show charset'"
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} else {
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fail "check `show target-charset' against `show charset'"
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}
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send_gdb "show host-charset\n"
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set show_host_charset [parse_show_charset_output "show host-charset"]
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if {[lsearch $show_charset $show_host_charset] >= 0} {
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pass "check `show host-charset' against `show charset'"
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} else {
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fail "check `show host-charset' against `show charset'"
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}
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# Get the list of supported (host) charsets as possible completions.
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send_gdb "set charset \t\t"
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# Check that we can at least use ASCII as a host character set.
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sleep 1
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gdb_expect {
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-re "^set charset .*\r\nASCII.*\r\n$gdb_prompt set charset " {
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# We got the output that we wanted, including ASCII as possible
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# charset. Send a newline to get us back to the prompt. This will
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# also generate an error message. Let's not check here that the error
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# message makes sense, we do that below, as a separate testcase.
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send_gdb "\n"
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gdb_expect {
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-re ".*Requires an argument.*$gdb_prompt $" {
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pass "get valid character sets"
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}
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-re ".*$gdb_prompt $" {
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send_gdb "\n"
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gdb_expect {
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-re ".*$gdb_prompt $" {
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fail "get valid character sets"
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}
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}
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}
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timeout {
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fail "(timeout) get valid character sets"
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}
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}
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}
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-re ".*$gdb_prompt $" {
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# We got some output that ended with a regular prompt
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fail "get valid character sets"
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}
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-re ".*$gdb_prompt set charset.*$" {
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# We got some other output, send a cntrl-c to gdb to get us back
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# to the prompt.
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send_gdb "\003"
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fail "get valid character sets"
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}
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timeout {
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fail "get valid character sets (timeout)"
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}
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}
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# Try a malformed `set charset'.
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gdb_test "set charset" \
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"Requires an argument. Valid arguments are.*" \
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"try malformed `set charset'"
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# Try using `set host-charset' on an invalid character set.
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gdb_test "set host-charset my_grandma_bonnie" \
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"Undefined item: \"my_grandma_bonnie\"." \
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"try `set host-charset' with invalid charset"
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# Try using `set target-charset' on an invalid character set.
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gdb_test "set target-charset my_grandma_bonnie" \
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"Undefined item: \"my_grandma_bonnie\"." \
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"try `set target-charset' with invalid charset"
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# A Tcl array mapping the names of all the character sets we've seen
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# to "1" if the character set can be used as a host character set, or
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# "0" otherwise. We can use `array names charsets' just to get a list
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# of all character sets.
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array set charsets {}
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proc all_charset_names {} {
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global charsets
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return [array names charsets]
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}
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proc valid_host_charset {charset} {
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global charsets
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return $charsets($charset)
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}
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send_gdb "set host-charset\n"
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gdb_expect {
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-re "Requires an argument. Valid arguments are (\[^ \t\n\r,.\]*)" {
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#set host_charset_list $expect_out(1,string)
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set charsets($expect_out(1,string)) 1
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exp_continue
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#pass "capture valid host charsets"
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}
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-re ", (\[^ \t\n\r,.\]*)" {
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#set host_charset_list $expect_out(1,string)
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set charsets($expect_out(1,string)) 1
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exp_continue
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#pass "capture valid host charsets"
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}
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-re "\\.\r\n$gdb_prompt $" {
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#set host_charset_list $expect_out(1,string)
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pass "capture valid host charsets"
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}
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-re ".*$gdb_prompt $" {
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fail "capture valid host charsets"
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}
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timeout {
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fail "(timeout) capture valid host charsets"
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}
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}
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send_gdb "set target-charset\n"
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gdb_expect {
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-re "Requires an argument. Valid arguments are (\[^ \t\n\r,.\]*)" {
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set target_charset $expect_out(1,string)
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if {! [info exists charsets($target_charset)]} {
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set charsets($target_charset) 0
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}
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exp_continue
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}
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-re ", (\[^ \t\n\r,.\]*)" {
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set target_charset $expect_out(1,string)
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if {! [info exists charsets($target_charset)]} {
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set charsets($target_charset) 0
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}
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exp_continue
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}
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-re "\\.\r\n$gdb_prompt $" {
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pass "capture valid target charsets"
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}
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-re ".*$gdb_prompt $" {
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fail "capture valid target charsets"
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}
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timeout {
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fail "(timeout) capture valid target charsets"
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}
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}
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# Make sure that GDB supports every host/target charset combination.
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foreach host_charset [all_charset_names] {
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if {[valid_host_charset $host_charset]} {
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set testname "try `set host-charset $host_charset'"
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send_gdb "set host-charset $host_charset\n"
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gdb_expect {
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-re "GDB doesn't know of any character set named.*\[\r\n]+${gdb_prompt} $" {
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# How did it get into `charsets' then?
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fail "$testname (didn't recognize name)"
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}
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-re "GDB can't use `.*' as its host character set\\.\[\r\n]+${gdb_prompt} $" {
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# Well, then why does its `charsets' entry say it can?
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fail $testname
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}
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-re "${gdb_prompt} $" {
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pass $testname
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}
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timeout {
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fail "$testname (timeout)"
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}
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}
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# Check that the command actually had its intended effect:
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# $host_charset should now be the host character set.
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send_gdb "show charset\n"
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set result [parse_show_charset_output "parse `show charset' after `set host-charset $host_charset'"]
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if {! [string compare [lindex $result 0] $host_charset]} {
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pass "check effect of `set host-charset $host_charset'"
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} else {
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fail "check effect of `set host-charset $host_charset'"
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}
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# Now try setting every possible target character set,
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# given that host charset.
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foreach target_charset [all_charset_names] {
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set testname "try `set target-charset $target_charset'"
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send_gdb "set target-charset $target_charset\n"
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gdb_expect {
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-re "GDB doesn't know of any character set named.*\[\r\n]+${gdb_prompt} $" {
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fail "$testname (didn't recognize name)"
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}
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-re "GDB can't convert from the .* character set to .*\\.\[\r\n\]+${gdb_prompt} $" {
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# This is a serious problem. GDB should be able to convert
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# between any arbitrary pair of character sets.
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fail "$testname (can't convert)"
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}
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-re "${gdb_prompt} $" {
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pass $testname
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}
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timeout {
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fail "$testname (timeout)"
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}
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}
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# Check that the command actually had its intended effect:
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# $target_charset should now be the target charset.
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send_gdb "show charset\n"
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set result [parse_show_charset_output "parse `show charset' after `set target-charset $target_charset'"]
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if {! [string compare $result [list $host_charset $target_charset]]} {
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pass "check effect of `set target-charset $target_charset'"
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} else {
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fail "check effect of `set target-charset $target_charset'"
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}
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# Test handling of characters in the host charset which
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# can't be translated into the target charset. \xA2 is
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# `cent' in ISO-8859-1, which has no equivalent in ASCII.
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#
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# On some systems, the pseudo-tty through which we
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# communicate with GDB insists on stripping the high bit
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# from input characters, meaning that `cent' turns into
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# `"'. Since ISO-8859-1 and ASCII are identical in the
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# lower 128 characters, it's tough to see how we can test
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# this behavior on such systems, so we just xfail it.
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#
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# Note: the \x16 (Control-V) is an escape to allow \xA2 to
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# get past readline.
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if {! [string compare $host_charset iso-8859-1] && ! [string compare $target_charset ascii]} {
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set testname "untranslatable character in character literal"
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send_gdb "print '\x16\xA2'\n"
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gdb_expect {
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-re "There is no character corresponding to .* in the target character set .*\\.\[\r\n\]+$gdb_prompt $" {
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pass $testname
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}
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-re " = 34 '\"'\[\r\n\]+$gdb_prompt $" {
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xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
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}
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-re "$gdb_prompt $" {
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fail $testname
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}
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timeout {
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fail "$testname (timeout)"
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}
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}
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set testname "untranslatable character in string literal"
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# If the PTTY zeros bit seven, then this turns into
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# print """
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# which gets us a syntax error. We don't care.
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send_gdb "print \"\x16\xA2\"\n"
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gdb_expect {
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-re "There is no character corresponding to .* in the target character set .*\\.\[\r\n\]+$gdb_prompt $" {
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pass $testname
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}
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-re "Unterminated string in expression.\[\r\n\]+$gdb_prompt $" {
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xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
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}
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-re "$gdb_prompt $" {
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fail $testname
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}
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timeout {
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fail "$testname (timeout)"
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}
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}
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set testname "untranslatable characters in backslash escape"
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send_gdb "print '\\\x16\xA2'\n"
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gdb_expect {
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-re "The escape sequence .* is equivalent to plain .*, which has no equivalent\[\r\n\]+in the .* character set\\.\[\r\n\]+$gdb_prompt $" {
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pass $testname
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}
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-re " = 34 '\"'\[\r\n\]+$gdb_prompt $" {
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xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
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}
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-re "$gdb_prompt $" {
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fail $testname
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}
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timeout {
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fail "$testname (timeout)"
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}
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}
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}
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}
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}
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}
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# Set the host character set to plain ASCII, and try actually printing
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# some strings in various target character sets. We need to run the
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# test program to the point at which the strings have been
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# initialized.
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gdb_test "break ${srcfile}:[gdb_get_line_number "all strings initialized"]" \
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".*Breakpoint.* at .*" \
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"set breakpoint after all strings have been initialized"
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gdb_run_cmd
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gdb_expect {
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-re "Breakpoint.*all strings initialized.*$gdb_prompt $" {
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pass "run until all strings have been initialized"
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}
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-re "$gdb_prompt $" {
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fail "run until all strings have been initialized"
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}
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timeout {
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fail "run until all strings have been initialized (timeout)"
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}
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}
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gdb_test "set host-charset ASCII" ""
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foreach target_charset [all_charset_names] {
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send_gdb "set target-charset $target_charset\n"
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gdb_expect {
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-re "$gdb_prompt $" {
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pass "set target-charset $target_charset"
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}
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timeout {
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fail "set target-charset $target_charset (timeout)"
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}
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}
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# Try printing the null character. There seems to be a bug in
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# gdb_test that requires us to use gdb_expect here.
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send_gdb "print '\\0'\n"
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gdb_expect {
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-re "\\\$${decimal} = 0 '\\\\0'\[\r\n\]+$gdb_prompt $" {
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pass "print the null character in ${target_charset}"
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}
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-re "$gdb_prompt $" {
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fail "print the null character in ${target_charset}"
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}
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timeout {
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fail "print the null character in ${target_charset} (timeout)"
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}
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}
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# Compute the name of the variable in the test program that holds
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# a string in $target_charset. The variable's name is the
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# character set's name, in lower-case, with all non-identifier
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# characters replaced with '_', with "_string" stuck on the end.
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set var_name [string tolower "${target_charset}_string"]
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regsub -all -- "\[^a-z0-9_\]" $var_name "_" var_name
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# Compute a regexp matching the results we expect. This is static,
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# but it's easier than writing it out.
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regsub -all "." "abfnrtv" "(\\\\&|x)" escapes
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set uppercase "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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set lowercase "abcdefghijklmnopqrstuvwxyz"
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set digits "0123456789"
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set octal_escape "\\\\\[0-9\]\[0-9\]\[0-9\]"
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send_gdb "print $var_name\n"
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# ${escapes}${uppercase}${lowercase}${digits}${octal}${octal}
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gdb_expect {
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-re ".* = \"(\\\\a|x)(\\\\b|x)(\\\\f|x)(\\\\n|x)(\\\\r|x)(\\\\t|x)(\\\\v|x)${uppercase}${lowercase}${digits}(\\\\\[0-9\]\[0-9\]\[0-9\]|x)(\\\\\[0-9\]\[0-9\]\[0-9\]|x).*\"\[\r\n\]+$gdb_prompt $" {
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pass "print string in $target_charset"
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}
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-re "$gdb_prompt $" {
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fail "print string in $target_charset"
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}
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timeout {
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fail "print string in $target_charset (timeout)"
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}
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}
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# Try entering a character literal, and see if it comes back unchanged.
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gdb_test "print 'A'" \
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" = \[0-9-\]+ 'A'" \
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"parse character literal in ${target_charset}"
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# Check that the character literal was encoded correctly.
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gdb_test "print 'A' == $var_name\[7\]" \
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" = 1" \
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"check value of parsed character literal in ${target_charset}"
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# Try entering a string literal, and see if it comes back unchanged.
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gdb_test "print \"abcdefABCDEF012345\"" \
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" = \"abcdefABCDEF012345\"" \
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"parse string literal in ${target_charset}"
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# Check that the string literal was encoded correctly.
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gdb_test "print \"q\"\[0\] == $var_name\[49\]" \
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" = 1" \
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"check value of parsed string literal in ${target_charset}"
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# Test handling of characters in the target charset which
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# can't be translated into the host charset.
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if {! [string compare $target_charset iso-8859-1]} {
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gdb_test "print iso_8859_1_string\[69\]" \
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" = \[0-9-\]+ '\\\\242'" \
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"print character with no equivalent in host character set"
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gdb_test "print iso_8859_1_string + 70" \
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" = ${hex} \"\\\\242.*\"" \
|
|
"print string with no equivalent in host character set"
|
|
}
|
|
|
|
# Make sure that we don't apply the ISO-8859-1 `print_literally'
|
|
# function to ASCII.
|
|
if {! [string compare $target_charset ascii]} {
|
|
gdb_test "print iso_8859_1_string\[69\]" \
|
|
" = \[0-9-\]+ '\\\\242'" \
|
|
"print ASCII unprintable character"
|
|
gdb_test "print iso_8859_1_string + 70" \
|
|
" = ${hex} \"\\\\242.*\"" \
|
|
"print ASCII unprintable string"
|
|
}
|
|
|
|
# Try printing characters with backslash escape equivalents.
|
|
set escapees {a b f n r t v}
|
|
for {set i 0} {$i < [llength $escapees]} {incr i} {
|
|
set escape [lindex $escapees $i]
|
|
send_gdb "print $var_name\[$i\]\n"
|
|
set have_escape 1
|
|
gdb_expect {
|
|
-re "= \[0-9-\]+ '\\\\${escape}'\[\r\n\]+$gdb_prompt $" {
|
|
pass "try printing '\\${escape}' in ${target_charset}"
|
|
}
|
|
-re "= \[0-9-\]+ 'x'\[\r\n\]+$gdb_prompt $" {
|
|
xfail "try printing '\\${escape}' in ${target_charset} (no such escape)"
|
|
set have_escape 0
|
|
}
|
|
-re "$gdb_prompt $" {
|
|
fail "try printing '\\${escape}' in ${target_charset}"
|
|
}
|
|
timeout {
|
|
fail "try printing '\\${escape}' in ${target_charset} (timeout)"
|
|
}
|
|
}
|
|
|
|
if {$have_escape} {
|
|
|
|
# Try parsing a backslash escape in a character literal.
|
|
gdb_test "print '\\${escape}' == $var_name\[$i\]" \
|
|
" = 1" \
|
|
"check value of '\\${escape}' in ${target_charset}"
|
|
|
|
# Try parsing a backslash escape in a string literal.
|
|
gdb_test "print \"\\${escape}\"\[0\] == $var_name\[$i\]" \
|
|
" = 1" \
|
|
"check value of \"\\${escape}\" in ${target_charset}"
|
|
}
|
|
}
|
|
|
|
# Try printing a character escape that doesn't exist. We should
|
|
# get the unescaped character, in the target character set.
|
|
gdb_test "print '\\q'" " = \[0-9-\]+ 'q'" \
|
|
"print escape that doesn't exist in $target_charset"
|
|
gdb_test "print '\\q' == $var_name\[49\]" " = 1" \
|
|
"check value of escape that doesn't exist in $target_charset"
|
|
}
|
|
|
|
gdb_exit
|