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# Copyright 2022-2024 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/>.
# Check the format of the error message given when a breakpoint
# condition fails.
#
# In this case the breakpoint condition does not make use of inferior
# function calls, instead, the expression used for the breakpoint
# condition will throw an error when evaluated.
#
# We check that the correct breakpoint number appears in the error
# message, and that the error is reported at the correct source
# location.
standard_testfile
if { [prepare_for_testing "failed to prepare" ${binfile} "${srcfile}" \
{debug}] == -1 } {
return
}
# Run to main so that we connect to the target if using 'target
# remote'. This means that the is_address_zero_readable, and the
# 'show breakpoint condition-evaluation' checks below will be
# performed with the remote connection in place.
if { ![runto_main] } {
return -1
}
# This test relies on reading address zero triggering a SIGSEGV.
if { [is_address_zero_readable] } {
return
}
proc run_test { cond_eval access_type lineno nloc } {
clean_restart ${::binfile}
if { ![runto_main] } {
return -1
}
if { $cond_eval ne "auto" } {
gdb_test_no_output "set breakpoint condition-evaluation ${cond_eval}"
}
# Setup the conditional breakpoint and record its number.
gdb_breakpoint "${::srcfile}:${lineno} if (*(${access_type} *) 0) == 0"
set bp_num [get_integer_valueof "\$bpnum" "*UNKNOWN*"]
if { $nloc > 1 } {
set bp_num_pattern "${bp_num}.1"
} else {
set bp_num_pattern "${bp_num}"
}
gdb_test "continue" \
[multi_line \
"Continuing\\." \
"Error in testing condition for breakpoint ${bp_num_pattern}:" \
"Cannot access memory at address 0x0" \
"" \
"Breakpoint ${bp_num_pattern}, \(foo\|bar\) \\(\\) at \[^\r\n\]+:${lineno}" \
"${::decimal}\\s+\[^\r\n\]+ breakpoint here\\. \[^\r\n\]+"]
}
# If we're using a remote target then conditions could be evaulated
# locally on the host, or on the remote target. Otherwise, conditions
# are always evaluated locally.
#
# Using "auto" will select the target if the target supports condition
# evaluation, otherwise, the local host will be used.
#
# So, we always include "auto", but then we look at the output of
# 'show breakpoint condition-evaluation', if this tells us that "auto"
# is using the target, then we specifically add "host" to the list of
# modes to check.
set cond_eval_modes { "auto" }
gdb_test_multiple "show breakpoint condition-evaluation" "" {
-re -wrap "Breakpoint condition evaluation mode is auto \\(currently target\\)\\." {
lappend cond_eval_modes "host"
pass $gdb_test_name
}
-re -wrap "Breakpoint condition evaluation mode is auto \\(currently host\\)\\." {
pass $gdb_test_name
}
}
# Where the breakpoint will be placed.
set bp_line_multi_loc [gdb_get_line_number "Multi-location breakpoint here"]
set bp_line_single_loc [gdb_get_line_number "Single-location breakpoint here"]
foreach_with_prefix access_type { "char" "short" "int" "long long" } {
foreach_with_prefix cond_eval $cond_eval_modes {
with_test_prefix "multi-loc" {
run_test $cond_eval $access_type $bp_line_multi_loc 2
}
with_test_prefix "single-loc" {
run_test $cond_eval $access_type $bp_line_single_loc 1
}
}
}
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