106 lines
2.9 KiB
Text
106 lines
2.9 KiB
Text
# Copyright 2014-2016 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 GDB isn't silent if it fails to remove a breakpoint from
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# the main program, independently of whether the program was loaded
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# with "file PROGRAM" or directly from the command line with "gdb
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# PROGRAM".
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standard_testfile
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if {[build_executable "failed to prepare" $testfile $srcfile debug]} {
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return -1
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}
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# Run the test proper. INITIAL_LOAD determines whether the program is
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# initially loaded by the "file" command or by passing it to GDB on
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# the command line.
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proc test_remove_bp { initial_load } {
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with_test_prefix "$initial_load" {
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global srcdir subdir binfile
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global gdb_prompt hex
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global GDBFLAGS
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gdb_exit
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set saved_gdbflags $GDBFLAGS
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# See "used to behave differently" further below.
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if { $initial_load == "file" } {
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gdb_start
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gdb_file_cmd $binfile
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} else {
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global last_loaded_file
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# gdb_file_cmd sets this. This is what gdb_reload
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# implementations use as binary.
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set last_loaded_file $binfile
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set GDBFLAGS "$GDBFLAGS $binfile"
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gdb_start
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}
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_reload
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set GDBFLAGS $saved_gdbflags
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if ![runto start] {
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fail "Can't run to start"
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return
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}
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delete_breakpoints
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# So we can easily control when are breakpoints removed.
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gdb_test_no_output "set breakpoint always-inserted on"
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set bp_addr ""
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set test "break foo"
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gdb_test_multiple $test $test {
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-re "Breakpoint .* at ($hex).*$gdb_prompt $" {
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set bp_addr $expect_out(1,string)
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pass $test
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}
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}
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if {$bp_addr == ""} {
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unsupported "can't extract foo's address"
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return
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}
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gdb_test "info break" "y.*$hex.*in foo at.*" \
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"breakpoint is set"
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# Now unmap the page where the breakpoint is set. Trying to
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# remove the memory breakpoint afterwards should fail, and GDB
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# should warn the user about it.
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set pagesize [get_integer_valueof "pg_size" 0]
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set align_addr [expr $bp_addr - $bp_addr % $pagesize]
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set munmap [get_integer_valueof "munmap ($align_addr, $pagesize)" -1]
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if {$munmap != 0} {
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unsupported "can't munmap foo's page"
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return
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}
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gdb_test "delete \$bpnum" \
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"warning: Error removing breakpoint .*" \
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"failure to remove breakpoint warns"
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}
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}
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foreach initial_load { "cmdline" "file" } {
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test_remove_bp $initial_load
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}
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