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.
78 lines
2.2 KiB
Plaintext
78 lines
2.2 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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if {[skip_hw_breakpoint_tests]} {
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return 0
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}
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standard_testfile
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if {[prepare_for_testing "failed to prepare" ${testfile} ${srcfile}]} {
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return -1
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}
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if ![runto_main] {
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return -1
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}
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# If we can read the memory at address 0, skip the test.
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if { [is_address_zero_readable] } {
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untested "memory at address 0 is readable"
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return
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}
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delete_breakpoints
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# Test whether the target supports hardware breakpoints at all.
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set supports_hbreak 0
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set test "probe hardware breakpoint support"
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gdb_test_multiple "hbreak -q main" $test {
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-re "No hardware breakpoint support in the target.*$gdb_prompt $" {
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pass $test
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}
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-re "Hardware breakpoints used exceeds limit.*$gdb_prompt $" {
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pass $test
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}
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-re "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*$gdb_prompt $" {
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set supports_hbreak 1
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pass $test
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}
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}
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if {!$supports_hbreak} {
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unsupported "hardware breakpoints"
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return
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}
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delete_breakpoints
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# Force immediate breakpoint insertion.
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gdb_test_no_output "set breakpoint always-inserted on"
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# Hardware breakpoints are implemented using a mechanism that is not
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# dependent on being able to modify the target's memory, we should be
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# able to set them even in unmapped memory areas.
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gdb_test "hbreak *0" "Hardware assisted breakpoint \[0-9\]+ at 0x0"
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gdb_test "info break" "hw breakpoint.*y.*0x0\+\[ \t\]\+" \
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"info break shows hw breakpoint"
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gdb_test_no_output "delete \$bpnum" "" "delete" \
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"delete hw breakpoint"
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gdb_test "info break" "No breakpoints or watchpoints\." \
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"info break shows no breakpoints"
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