forked from Imagelibrary/binutils-gdb
1d506c26d9
This commit is the result of the following actions:
- Running gdb/copyright.py to update all of the copyright headers to
include 2024,
- Manually updating a few files the copyright.py script told me to
update, these files had copyright headers embedded within the
file,
- Regenerating gdbsupport/Makefile.in to refresh it's copyright
date,
- Using grep to find other files that still mentioned 2023. If
these files were updated last year from 2022 to 2023 then I've
updated them this year to 2024.
I'm sure I've probably missed some dates. Feel free to fix them up as
you spot them.
114 lines
3.7 KiB
Plaintext
114 lines
3.7 KiB
Plaintext
# Copyright (C) 2011-2024 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 doesn't inadvertently resume the stepped thread when a
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# signal arrives while stepping over the breakpoint that last caused a
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# stop, when the thread that hit that breakpoint is not the stepped
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# thread.
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# Test relies on checking gdb debug output. Do not run if gdb debug is
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# enabled as any debug will be redirected to the log.
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require !gdb_debug_enabled
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standard_testfile
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set executable ${testfile}
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require {!target_info exists gdb,nosignals}
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if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
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executable [list debug "incdir=${objdir}"]] != "" } {
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return -1
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}
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proc get_value {var test} {
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global expect_out
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global gdb_prompt
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global decimal
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set value -1
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gdb_test_multiple "print $var" "$test" {
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-re ".*= ($decimal).*\r\n$gdb_prompt $" {
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set value $expect_out(1,string)
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pass "$test"
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}
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}
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return ${value}
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}
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# Start with a fresh gdb.
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clean_restart $executable
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if ![runto_main] {
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return -1
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}
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gdb_breakpoint [gdb_get_line_number "set wait-thread-2 breakpoint here"]
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gdb_continue_to_breakpoint "run to wait-thread-2 breakpoint"
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gdb_test "info threads" "" "info threads with thread 2"
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gdb_breakpoint [gdb_get_line_number "set wait-thread-3 breakpoint here"]
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gdb_continue_to_breakpoint "run to breakpoint"
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gdb_test "info threads" "" "info threads with thread 3"
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gdb_test "set scheduler-locking on"
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gdb_breakpoint [gdb_get_line_number "set breakpoint child_two here"]
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gdb_breakpoint [gdb_get_line_number "set breakpoint child_one here"]
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gdb_test "thread 3" "" "switch to thread 3 to run to its breakpoint"
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gdb_continue_to_breakpoint "run to breakpoint in thread 3"
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gdb_test "thread 2" "" "switch to thread 2 to run to its breakpoint"
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gdb_continue_to_breakpoint "run to breakpoint in thread 2"
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delete_breakpoints
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gdb_test "b *\$pc" "" "set breakpoint to be stepped over"
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# Make sure the first loop breaks without hitting the breakpoint
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# again.
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gdb_test "p *myp = 0" " = 0" "force loop break in thread 2"
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# We want "print" to make sure the target reports the signal to the
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# core.
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gdb_test "handle SIGUSR1 print nostop pass" "" ""
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gdb_test "thread 1" "" "switch to thread 1 to queue signal in thread 2"
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gdb_test "next 2" "pthread_join .*" "queue signal in thread 2"
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gdb_test "thread 3" "" "switch to thread 3 for stepping"
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set my_number [get_value "my_number" "get my_number"]
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set cnt_before [get_value "args\[$my_number\]" "get count before step"]
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gdb_test "set scheduler-locking off"
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# Make sure we're exercising the paths we want to.
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gdb_test "set debug infrun 1"
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set test "step"
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gdb_test_sequence $test $test -prompt "$gdb_prompt \\\[infrun\\\] fetch_inferior_event: exit\r\n$" {
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"need to step-over"
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"resume_1: step=1,"
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"signal arrived while stepping over breakpoint"
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"stepped to a different line"
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"callme"
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}
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set cnt_after [get_value "args\[$my_number\]" "get count after step"]
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# Test that GDB doesn't inadvertently resume the stepped thread when a
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# signal arrives while stepping over a breakpoint in another thread.
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gdb_assert { $cnt_before + 1 == $cnt_after } "stepped thread under control"
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