mirror of
https://sourceware.org/git/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
101 lines
3.0 KiB
Plaintext
101 lines
3.0 KiB
Plaintext
# Copyright 2014-2022 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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# This file is part of the gdb testsuite
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standard_testfile
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
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return -1
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}
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# Set a watchpoint watching EXPR.
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proc watch { expr } {
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global decimal
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set expr_re [string_to_regexp $expr]
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gdb_test "watch $expr" \
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"\(Hardware \)?\[Ww\]atchpoint $decimal: $expr_re"
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}
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# Continue inferior execution, expecting the watchpoint EXPR to be triggered
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# having old value OLD and new value NEW.
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proc expect_watchpoint { expr old new } {
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with_test_prefix "$expr: $old->$new" {
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set expr_re [string_to_regexp $expr]
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gdb_test "print $expr" "\\$\\d+ = $old\\s" "print expression before"
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gdb_test "continue" "$expr_re\\s.*Old value = $old\\s+New value = $new\\s.*"
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gdb_test "print $expr" "\\$\\d+ = $new\\s" "print expression after"
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}
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}
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# Check that -location watchpoints against bitfields trigger properly.
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proc test_watch_location {} {
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with_test_prefix "-location watch against bitfields" {
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if {![runto_main]} {
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return -1
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}
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watch "-location q.a"
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watch "-location q.e"
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expect_watchpoint "q.a" 0 1
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expect_watchpoint "q.e" 0 5
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expect_watchpoint "q.a" 1 0
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expect_watchpoint "q.e" 5 4
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# It'll execute a large amount of code with software watchpoint
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# enabled, which means GDB will single stepping all the way
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# through til the inferior exits. Increase the timeout by a
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# factor of 4.
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with_timeout_factor 4 {
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gdb_continue_to_end
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}
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}
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}
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# Check that regular watchpoints against expressions involving
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# bitfields trigger properly.
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proc test_regular_watch {} {
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with_test_prefix "regular watch against bitfields" {
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if {![runto_main]} {
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return -1
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}
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watch "q.d + q.f + q.g"
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expect_watchpoint "q.d + q.f + q.g" 0 4
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expect_watchpoint "q.d + q.f + q.g" 4 10
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expect_watchpoint "q.d + q.f + q.g" 10 3
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expect_watchpoint "q.d + q.f + q.g" 3 2
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expect_watchpoint "q.d + q.f + q.g" 2 1
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expect_watchpoint "q.d + q.f + q.g" 1 0
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# It'll execute a large amount of code with software watchpoint
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# enabled, which means GDB will single stepping all the way
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# through til the inferior exits. Increase the timeout by a
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# factor of 4.
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with_timeout_factor 4 {
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gdb_continue_to_end
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}
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}
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}
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# Disable hardware watchpoints if the target does not support them.
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if [target_info exists gdb,no_hardware_watchpoints] {
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gdb_test_no_output "set can-use-hw-watchpoints 0"
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}
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test_watch_location
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test_regular_watch
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