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jlechner |
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2001, 2004, 2007, 2008 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 .
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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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| 258 |
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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 $testname
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}
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| 262 |
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-re "${gdb_prompt} $" {
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pass $testname
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| 264 |
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}
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| 265 |
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timeout {
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fail "$testname (timeout)"
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| 267 |
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}
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| 268 |
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}
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| 269 |
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| 270 |
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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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| 274 |
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if {! [string compare [lindex $result 0] $host_charset]} {
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| 275 |
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pass "check effect of `set host-charset $host_charset'"
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} else {
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| 277 |
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fail "check effect of `set host-charset $host_charset'"
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| 278 |
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}
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| 279 |
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| 280 |
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# Now try setting every possible target character set,
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| 281 |
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# given that host charset.
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| 282 |
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foreach target_charset [all_charset_names] {
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| 283 |
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set testname "try `set target-charset $target_charset'"
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| 284 |
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send_gdb "set target-charset $target_charset\n"
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| 285 |
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gdb_expect {
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| 286 |
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-re "GDB doesn't know of any character set named.*\[\r\n]+${gdb_prompt} $" {
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| 287 |
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fail "$testname (didn't recognize name)"
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| 288 |
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}
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| 289 |
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-re "GDB can't convert from the .* character set to .*\\.\[\r\n\]+${gdb_prompt} $" {
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| 290 |
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# This is a serious problem. GDB should be able to convert
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| 291 |
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# between any arbitrary pair of character sets.
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| 292 |
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fail "$testname (can't convert)"
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| 293 |
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}
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| 294 |
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-re "${gdb_prompt} $" {
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| 295 |
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pass $testname
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| 296 |
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}
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| 297 |
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timeout {
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| 298 |
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fail "$testname (timeout)"
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| 299 |
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}
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| 300 |
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}
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| 301 |
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|
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| 302 |
|
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# Check that the command actually had its intended effect:
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| 303 |
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# $target_charset should now be the target charset.
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| 304 |
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send_gdb "show charset\n"
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| 305 |
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set result [parse_show_charset_output "parse `show charset' after `set target-charset $target_charset'"]
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| 306 |
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if {! [string compare $result [list $host_charset $target_charset]]} {
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| 307 |
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pass "check effect of `set target-charset $target_charset'"
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| 308 |
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} else {
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| 309 |
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fail "check effect of `set target-charset $target_charset'"
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| 310 |
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}
|
| 311 |
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|
|
| 312 |
|
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# Test handling of characters in the host charset which
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| 313 |
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# can't be translated into the target charset. \xA2 is
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| 314 |
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# `cent' in ISO-8859-1, which has no equivalent in ASCII.
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| 315 |
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#
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| 316 |
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# On some systems, the pseudo-tty through which we
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| 317 |
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# communicate with GDB insists on stripping the high bit
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| 318 |
|
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# from input characters, meaning that `cent' turns into
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| 319 |
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# `"'. Since ISO-8859-1 and ASCII are identical in the
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| 320 |
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# lower 128 characters, it's tough to see how we can test
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| 321 |
|
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# this behavior on such systems, so we just xfail it.
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| 322 |
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#
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| 323 |
|
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# Note: the \x16 (Control-V) is an escape to allow \xA2 to
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| 324 |
|
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# get past readline.
|
| 325 |
|
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if {! [string compare $host_charset iso-8859-1] && ! [string compare $target_charset ascii]} {
|
| 326 |
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| 327 |
|
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set testname "untranslatable character in character literal"
|
| 328 |
|
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send_gdb "print '\x16\xA2'\n"
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| 329 |
|
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gdb_expect {
|
| 330 |
|
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-re "There is no character corresponding to .* in the target character set .*\\.\[\r\n\]+$gdb_prompt $" {
|
| 331 |
|
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pass $testname
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| 332 |
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}
|
| 333 |
|
|
-re " = 34 '\"'\[\r\n\]+$gdb_prompt $" {
|
| 334 |
|
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xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
|
| 335 |
|
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}
|
| 336 |
|
|
-re "$gdb_prompt $" {
|
| 337 |
|
|
fail $testname
|
| 338 |
|
|
}
|
| 339 |
|
|
timeout {
|
| 340 |
|
|
fail "$testname (timeout)"
|
| 341 |
|
|
}
|
| 342 |
|
|
}
|
| 343 |
|
|
|
| 344 |
|
|
set testname "untranslatable character in string literal"
|
| 345 |
|
|
# If the PTTY zeros bit seven, then this turns into
|
| 346 |
|
|
# print """
|
| 347 |
|
|
# which gets us a syntax error. We don't care.
|
| 348 |
|
|
send_gdb "print \"\x16\xA2\"\n"
|
| 349 |
|
|
gdb_expect {
|
| 350 |
|
|
-re "There is no character corresponding to .* in the target character set .*\\.\[\r\n\]+$gdb_prompt $" {
|
| 351 |
|
|
pass $testname
|
| 352 |
|
|
}
|
| 353 |
|
|
-re "Unterminated string in expression.\[\r\n\]+$gdb_prompt $" {
|
| 354 |
|
|
xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
|
| 355 |
|
|
}
|
| 356 |
|
|
-re "$gdb_prompt $" {
|
| 357 |
|
|
fail $testname
|
| 358 |
|
|
}
|
| 359 |
|
|
timeout {
|
| 360 |
|
|
fail "$testname (timeout)"
|
| 361 |
|
|
}
|
| 362 |
|
|
}
|
| 363 |
|
|
|
| 364 |
|
|
set testname "untranslatable characters in backslash escape"
|
| 365 |
|
|
send_gdb "print '\\\x16\xA2'\n"
|
| 366 |
|
|
gdb_expect {
|
| 367 |
|
|
-re "The escape sequence .* is equivalent to plain .*, which has no equivalent\[\r\n\]+in the .* character set\\.\[\r\n\]+$gdb_prompt $" {
|
| 368 |
|
|
pass $testname
|
| 369 |
|
|
}
|
| 370 |
|
|
-re " = 34 '\"'\[\r\n\]+$gdb_prompt $" {
|
| 371 |
|
|
xfail "$testname (DejaGNU's pseudo-tty strips eighth bit)"
|
| 372 |
|
|
}
|
| 373 |
|
|
-re "$gdb_prompt $" {
|
| 374 |
|
|
fail $testname
|
| 375 |
|
|
}
|
| 376 |
|
|
timeout {
|
| 377 |
|
|
fail "$testname (timeout)"
|
| 378 |
|
|
}
|
| 379 |
|
|
}
|
| 380 |
|
|
}
|
| 381 |
|
|
}
|
| 382 |
|
|
}
|
| 383 |
|
|
}
|
| 384 |
|
|
|
| 385 |
|
|
|
| 386 |
|
|
# Set the host character set to plain ASCII, and try actually printing
|
| 387 |
|
|
# some strings in various target character sets. We need to run the
|
| 388 |
|
|
# test program to the point at which the strings have been
|
| 389 |
|
|
# initialized.
|
| 390 |
|
|
gdb_test "break ${srcfile}:[gdb_get_line_number "all strings initialized"]" \
|
| 391 |
|
|
".*Breakpoint.* at .*" \
|
| 392 |
|
|
"set breakpoint after all strings have been initialized"
|
| 393 |
|
|
gdb_run_cmd
|
| 394 |
|
|
gdb_expect {
|
| 395 |
|
|
-re "Breakpoint.*all strings initialized.*$gdb_prompt $" {
|
| 396 |
|
|
pass "run until all strings have been initialized"
|
| 397 |
|
|
}
|
| 398 |
|
|
-re "$gdb_prompt $" {
|
| 399 |
|
|
fail "run until all strings have been initialized"
|
| 400 |
|
|
}
|
| 401 |
|
|
timeout {
|
| 402 |
|
|
fail "run until all strings have been initialized (timeout)"
|
| 403 |
|
|
}
|
| 404 |
|
|
}
|
| 405 |
|
|
|
| 406 |
|
|
|
| 407 |
|
|
gdb_test "set host-charset ASCII" ""
|
| 408 |
|
|
foreach target_charset [all_charset_names] {
|
| 409 |
|
|
send_gdb "set target-charset $target_charset\n"
|
| 410 |
|
|
gdb_expect {
|
| 411 |
|
|
-re "$gdb_prompt $" {
|
| 412 |
|
|
pass "set target-charset $target_charset"
|
| 413 |
|
|
}
|
| 414 |
|
|
timeout {
|
| 415 |
|
|
fail "set target-charset $target_charset (timeout)"
|
| 416 |
|
|
}
|
| 417 |
|
|
}
|
| 418 |
|
|
|
| 419 |
|
|
# Try printing the null character. There seems to be a bug in
|
| 420 |
|
|
# gdb_test that requires us to use gdb_expect here.
|
| 421 |
|
|
send_gdb "print '\\0'\n"
|
| 422 |
|
|
gdb_expect {
|
| 423 |
|
|
-re "\\\$${decimal} = 0 '\\\\0'\[\r\n\]+$gdb_prompt $" {
|
| 424 |
|
|
pass "print the null character in ${target_charset}"
|
| 425 |
|
|
}
|
| 426 |
|
|
-re "$gdb_prompt $" {
|
| 427 |
|
|
fail "print the null character in ${target_charset}"
|
| 428 |
|
|
}
|
| 429 |
|
|
timeout {
|
| 430 |
|
|
fail "print the null character in ${target_charset} (timeout)"
|
| 431 |
|
|
}
|
| 432 |
|
|
}
|
| 433 |
|
|
|
| 434 |
|
|
# Compute the name of the variable in the test program that holds
|
| 435 |
|
|
# a string in $target_charset. The variable's name is the
|
| 436 |
|
|
# character set's name, in lower-case, with all non-identifier
|
| 437 |
|
|
# characters replaced with '_', with "_string" stuck on the end.
|
| 438 |
|
|
set var_name [string tolower "${target_charset}_string"]
|
| 439 |
|
|
regsub -all -- "\[^a-z0-9_\]" $var_name "_" var_name
|
| 440 |
|
|
|
| 441 |
|
|
# Compute a regexp matching the results we expect. This is static,
|
| 442 |
|
|
# but it's easier than writing it out.
|
| 443 |
|
|
regsub -all "." "abfnrtv" "(\\\\&|x)" escapes
|
| 444 |
|
|
set uppercase "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
| 445 |
|
|
set lowercase "abcdefghijklmnopqrstuvwxyz"
|
| 446 |
|
|
set digits "0123456789"
|
| 447 |
|
|
set octal_escape "\\\\\[0-9\]\[0-9\]\[0-9\]"
|
| 448 |
|
|
|
| 449 |
|
|
send_gdb "print $var_name\n"
|
| 450 |
|
|
# ${escapes}${uppercase}${lowercase}${digits}${octal}${octal}
|
| 451 |
|
|
gdb_expect {
|
| 452 |
|
|
-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 $" {
|
| 453 |
|
|
pass "print string in $target_charset"
|
| 454 |
|
|
}
|
| 455 |
|
|
-re "$gdb_prompt $" {
|
| 456 |
|
|
fail "print string in $target_charset"
|
| 457 |
|
|
}
|
| 458 |
|
|
timeout {
|
| 459 |
|
|
fail "print string in $target_charset (timeout)"
|
| 460 |
|
|
}
|
| 461 |
|
|
}
|
| 462 |
|
|
|
| 463 |
|
|
# Try entering a character literal, and see if it comes back unchanged.
|
| 464 |
|
|
gdb_test "print 'A'" \
|
| 465 |
|
|
" = \[0-9-\]+ 'A'" \
|
| 466 |
|
|
"parse character literal in ${target_charset}"
|
| 467 |
|
|
|
| 468 |
|
|
# Check that the character literal was encoded correctly.
|
| 469 |
|
|
gdb_test "print 'A' == $var_name\[7\]" \
|
| 470 |
|
|
" = 1" \
|
| 471 |
|
|
"check value of parsed character literal in ${target_charset}"
|
| 472 |
|
|
|
| 473 |
|
|
# Try entering a string literal, and see if it comes back unchanged.
|
| 474 |
|
|
gdb_test "print \"abcdefABCDEF012345\"" \
|
| 475 |
|
|
" = \"abcdefABCDEF012345\"" \
|
| 476 |
|
|
"parse string literal in ${target_charset}"
|
| 477 |
|
|
|
| 478 |
|
|
# Check that the string literal was encoded correctly.
|
| 479 |
|
|
gdb_test "print \"q\"\[0\] == $var_name\[49\]" \
|
| 480 |
|
|
" = 1" \
|
| 481 |
|
|
"check value of parsed string literal in ${target_charset}"
|
| 482 |
|
|
|
| 483 |
|
|
# Test handling of characters in the target charset which
|
| 484 |
|
|
# can't be translated into the host charset.
|
| 485 |
|
|
if {! [string compare $target_charset iso-8859-1]} {
|
| 486 |
|
|
gdb_test "print iso_8859_1_string\[69\]" \
|
| 487 |
|
|
" = \[0-9-\]+ '\\\\242'" \
|
| 488 |
|
|
"print character with no equivalent in host character set"
|
| 489 |
|
|
gdb_test "print iso_8859_1_string + 70" \
|
| 490 |
|
|
" = ${hex} \"\\\\242.*\"" \
|
| 491 |
|
|
"print string with no equivalent in host character set"
|
| 492 |
|
|
}
|
| 493 |
|
|
|
| 494 |
|
|
# Make sure that we don't apply the ISO-8859-1 `print_literally'
|
| 495 |
|
|
# function to ASCII.
|
| 496 |
|
|
if {! [string compare $target_charset ascii]} {
|
| 497 |
|
|
gdb_test "print iso_8859_1_string\[69\]" \
|
| 498 |
|
|
" = \[0-9-\]+ '\\\\242'" \
|
| 499 |
|
|
"print ASCII unprintable character"
|
| 500 |
|
|
gdb_test "print iso_8859_1_string + 70" \
|
| 501 |
|
|
" = ${hex} \"\\\\242.*\"" \
|
| 502 |
|
|
"print ASCII unprintable string"
|
| 503 |
|
|
}
|
| 504 |
|
|
|
| 505 |
|
|
# Try printing characters with backslash escape equivalents.
|
| 506 |
|
|
set escapees {a b f n r t v}
|
| 507 |
|
|
for {set i 0} {$i < [llength $escapees]} {incr i} {
|
| 508 |
|
|
set escape [lindex $escapees $i]
|
| 509 |
|
|
send_gdb "print $var_name\[$i\]\n"
|
| 510 |
|
|
set have_escape 1
|
| 511 |
|
|
gdb_expect {
|
| 512 |
|
|
-re "= \[0-9-\]+ '\\\\${escape}'\[\r\n\]+$gdb_prompt $" {
|
| 513 |
|
|
pass "try printing '\\${escape}' in ${target_charset}"
|
| 514 |
|
|
}
|
| 515 |
|
|
-re "= \[0-9-\]+ 'x'\[\r\n\]+$gdb_prompt $" {
|
| 516 |
|
|
xfail "try printing '\\${escape}' in ${target_charset} (no such escape)"
|
| 517 |
|
|
set have_escape 0
|
| 518 |
|
|
}
|
| 519 |
|
|
-re "$gdb_prompt $" {
|
| 520 |
|
|
fail "try printing '\\${escape}' in ${target_charset}"
|
| 521 |
|
|
}
|
| 522 |
|
|
timeout {
|
| 523 |
|
|
fail "try printing '\\${escape}' in ${target_charset} (timeout)"
|
| 524 |
|
|
}
|
| 525 |
|
|
}
|
| 526 |
|
|
|
| 527 |
|
|
if {$have_escape} {
|
| 528 |
|
|
|
| 529 |
|
|
# Try parsing a backslash escape in a character literal.
|
| 530 |
|
|
gdb_test "print '\\${escape}' == $var_name\[$i\]" \
|
| 531 |
|
|
" = 1" \
|
| 532 |
|
|
"check value of '\\${escape}' in ${target_charset}"
|
| 533 |
|
|
|
| 534 |
|
|
# Try parsing a backslash escape in a string literal.
|
| 535 |
|
|
gdb_test "print \"\\${escape}\"\[0\] == $var_name\[$i\]" \
|
| 536 |
|
|
" = 1" \
|
| 537 |
|
|
"check value of \"\\${escape}\" in ${target_charset}"
|
| 538 |
|
|
}
|
| 539 |
|
|
}
|
| 540 |
|
|
|
| 541 |
|
|
# Try printing a character escape that doesn't exist. We should
|
| 542 |
|
|
# get the unescaped character, in the target character set.
|
| 543 |
|
|
gdb_test "print '\\q'" " = \[0-9-\]+ 'q'" \
|
| 544 |
|
|
"print escape that doesn't exist in $target_charset"
|
| 545 |
|
|
gdb_test "print '\\q' == $var_name\[49\]" " = 1" \
|
| 546 |
|
|
"check value of escape that doesn't exist in $target_charset"
|
| 547 |
|
|
}
|
| 548 |
|
|
|
| 549 |
|
|
gdb_exit
|
