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.
118 lines
3.3 KiB
Plaintext
118 lines
3.3 KiB
Plaintext
# Copyright 2013-2022 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 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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if [gdb_debug_enabled] {
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untested "debug is enabled"
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return 0
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}
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standard_testfile
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set executable ${testfile}
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if { [gdb_compile_pthreads \
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"${srcdir}/${subdir}/${srcfile}" \
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"${binfile}" \
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executable {debug}] != "" } {
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untested "failed to compile"
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return -1
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}
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clean_restart $executable
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# Start the second thread.
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if ![runto start] {
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return -1
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}
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# Go back to the main thread, and leave it in the loop, where we're
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# reasonably sure we don't have 'conditional jmp $pc'-like
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# instructions. We wouldn't be able to detect whether a stepi makes
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# progress over those.
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gdb_test_no_output "set scheduler-locking on"
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gdb_test "thread 1" "Switching to .*"
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gdb_breakpoint $srcfile:[gdb_get_line_number "set break 2 here"]
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gdb_continue_to_breakpoint "loop" ".* set break 2 here .*"
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# Now back to thread 2, and let it queue a signal in thread 1.
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gdb_test "thread 2" "Switching to .*"
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gdb_breakpoint $srcfile:[gdb_get_line_number "set break here"]
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gdb_continue_to_breakpoint "after pthread_kill" ".* set break here .*"
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# We're now ready to stepi thread 1. It should immediately dequeue
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# the signal.
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gdb_test "thread 1" "Switching to .*" "thread 1 again"
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# No longer need these.
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delete_breakpoints
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# Turn on infrun debugging, so we can tell whether the signal is
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# really dequeued and that GDB sees it.
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gdb_test_no_output "set debug infrun 1"
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# Make sure the target backend reports the signal to GDB core. Some
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# backends (like Linux) skip reporting a signal if set to
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# pass/nostop/noprint, resuming the thread immediately instead.
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gdb_test "handle SIGCHLD print"
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# Helper to extract the current PC. PREFIX is used to make each call
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# have its own unique test name.
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proc get_pc { prefix } {
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with_test_prefix "$prefix" {
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return [get_hexadecimal_valueof "\$pc" ""]
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}
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}
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set prev_addr [get_pc "before stepi"]
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if {$prev_addr == ""} {
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return
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}
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# True if we saw the infrun path we want to test be exercised.
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set seen 0
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set test "stepi"
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set prompt "$gdb_prompt \\\[infrun\\\] fetch_inferior_event: exit\r\n$"
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if {[gdb_test_multiple "stepi" "$test" -prompt $prompt {
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-re {\[infrun\] handle_signal_stop: random signal} {
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set seen 1
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exp_continue
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}
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-re "$prompt$" {
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}
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}] != 0} {
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return
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}
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if {$seen} {
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pass "$test"
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} else {
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fail "$test (no random signal)"
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}
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set addr [get_pc "after stepi"]
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if {$addr == ""} {
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return
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}
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set test "stepi interfered by signal makes progress"
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if {$addr == $prev_addr} {
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fail "$test"
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} else {
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pass "$test"
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}
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