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.
98 lines
3.8 KiB
Plaintext
98 lines
3.8 KiB
Plaintext
# Copyright 2008-2022 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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# Test that 'set breakpoint always-inserted 1' is not a brick
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# Also verifies that breakpoint enabling/disabling works properly
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# with duplicated breakpoints.
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if { [prepare_for_testing "failed to prepare" break-always break-always.c] } {
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return -1
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}
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set bar_location [gdb_get_line_number "break in bar" break-always.c]
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gdb_test_no_output "set breakpoint always-inserted on"
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gdb_test "show breakpoint always-inserted" "mode is on\." \
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"confirm breakpoint always-inserted"
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runto foo
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gdb_test "break bar" "Breakpoint 2.*" "set breakpoint on bar"
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gdb_test "break bar" "Note: breakpoint 2 also set.*Breakpoint 3.*" "set 2nd breakpoint on bar"
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gdb_test "break bar" "Note: breakpoints 2 and 3 also set.*Breakpoint 4.*" "set 3rd breakpoint on bar"
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gdb_test "break bar" "Note: breakpoints 2, 3 and 4 also set.*Breakpoint 5.*" "set 4th breakpoint on bar"
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gdb_test "info breakpoints" "keep y.*keep y.*keep y.*keep y.*keep y.*" "initial check breakpoint state"
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gdb_test_no_output "disable" "initial disable all breakpoints"
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gdb_test_no_output "enable" "initial enable all breakpoints"
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gdb_test_no_output "disable" "re-disable all breakpoints"
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gdb_test_no_output "enable 3" "enable 3.A"
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gdb_test_no_output "disable 3" "disable 3.B"
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gdb_test_no_output "enable 3" "enable 3.C"
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gdb_test_no_output "enable 2" "enable 2.D"
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gdb_test_no_output "disable 2" "disable 2.E"
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gdb_test_no_output "disable 3" "disable 3.F"
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gdb_test_no_output "enable 3" "enable 3.G"
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gdb_test_no_output "enable 2" "enable 2.H"
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gdb_test_no_output "disable 2" "disable 2.I"
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gdb_test "info breakpoints" "keep n.*keep n.*keep y.*keep n.*keep n.*" "before re-enable check breakpoint state"
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gdb_test_no_output "enable" "re-enable all breakpoints"
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set bp_address 0
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set test "set breakpoint on bar 2"
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gdb_test_multiple "break bar" $test {
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-re "Breakpoint 6 at ($hex).*$gdb_prompt $" {
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set bp_address $expect_out(1,string)
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pass $test
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}
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}
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# Save the original INSN under the breakpoint.
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gdb_test "p /x \$shadow = *(char *) $bp_address" \
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" = $hex" \
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"save shadow"
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# Overwrite memory where the breakpoint is planted. GDB should update
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# its memory breakpoint's shadows, to account for the new contents,
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# and still leave the breakpoint insn planted. Try twice with
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# different values, in case we happen to be writting exactly what was
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# there already.
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foreach test_value {0 1} {
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set write_test "write $test_value to breakpoint's address"
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gdb_test_multiple "p /x *(char *) $bp_address = $test_value" $write_test {
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-re "Cannot access memory at address $hex.*$gdb_prompt $" {
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# Some targets do not allow manually writing a breakpoint to a
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# certain memory address, like QEMU. In that case, just bail out.
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unsupported "cannot write to address $bp_address"
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return -1
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}
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-re " = .*$gdb_prompt $" {
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pass $write_test
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}
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}
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set read_test "read back $test_value from the breakpoint's address"
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gdb_test "p /x *(char *) $bp_address" " = 0x$test_value" $read_test
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}
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# Restore the original contents.
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gdb_test "p /x *(char *) $bp_address = \$shadow" "" \
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"restore the original contents"
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# Run to breakpoint.
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gdb_continue_to_breakpoint "bar" ".*break-always.c:$bar_location.*"
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