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# Copyright 2012-2019 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/>.
# Test "set debug expr 1" on c expressions.
# Test relies on checking gdb debug output. Do not run if gdb debug is
# enabled as any debug will be redirected to the log.
if [gdb_debug_enabled] {
untested "debug is enabled"
return 0
}
standard_testfile .c
if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug}]} {
return -1
}
if ![runto_main] {
fail "run to main"
return -1
}
# Test whether the expression debug machinery accepts the expression.
proc test_debug_expr { cmd output } {
global gdb_prompt
gdb_test_multiple $cmd "" {
-re ".*Invalid expression.*\r\n$gdb_prompt $" {
fail $cmd
}
-re ".*\[\r\n\]$output\r\n$gdb_prompt $" {
pass $cmd
}
}
}
for { set i 0 } { $i < 4 } { incr i } {
gdb_test_no_output "set variable array\[$i\] = $i"
}
gdb_test_no_output "set debug expression 1"
# This caused gdb to segfault.
test_debug_expr "print /x {char\[4\]} array" \
"\[$\]$decimal = \\{0x0, 0x1, 0x2, 0x3\\}"
# This caused gdb to output garbage and possibly segfault
gdb_test "print \"hello\"" \
".*OP_STRING\[^\r\n\]*Language-specific string type: 0.*\[\r\n\]\\$$decimal = \"hello\"\[\r\n\].*" \
"string evaluation with debug expr"
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