a7b796db4f
This patch fixes the watch_thread_num.exp test to work when the target
is better at making event handling be fair among threads.
I wrote patches that make GDB native and GDBserver event handling
fairer between threads. That is, if threads A and B both
simultaneously trigger some debug event, GDB will pick either A or B
at random, rather than always handling the event of A first. There's
code for that in the Linux backends (gdb and gdbserver) already, but
it can be improved, and only works in all-stop mode.
With those fixes in place, I found that the watch_thread_num.exp would
often time out. The problem is that the test only works _because_
event handling isn't as fair as intended. With the fairness fixes,
the test falls victim of PR10116 (gdb drops watchpoints on
multi-threaded apps) quite often.
To expand on the PR10116 reference, consider that stop events are
serialized to GDB core, through target_wait. Say a thread-specific
watchpoint as set on thread A. When the "right" thread and some other
"wrong" thread both trigger a watchpoint simultaneously, the target
may report the "wrong" thread's hit to GDB first (thread B). When
handling that event, GDB notices the watchpoint is for another thread,
and so shouldn't cause a user-visible stop. On resume, GDB saves the
now current value of the watched expression. Afterwards, the "right"
thread (thread A) reports its watchpoint trigger. But the watched
value hasn't changed since GDB last saved it, and so GDB doesn't
report the watchpoint hit to the user.
The way the test is written, the watchpoint is associated with the
first thread that happens to report an event. It happens that GDB is
processing events much more often for one of the threads, which
usually will be that same first thread.
Hacking the test with "set debug infrun 1", we see exactly that:
$ grep "infrun.*\[Thread.*," testsuite/gdb.log | sort | uniq -c | sort -nr
70 infrun: 8798 [Thread 8798],
37 infrun: 8798 [Thread 8802],
36 infrun: 8798 [Thread 8804],
36 infrun: 8798 [Thread 8803],
35 infrun: 8798 [Thread 8805],
34 infrun: 8798 [Thread 8806],
The first column shows the number of times the target reported an
event for that thread, from:
infrun: target_wait (-1, status) =
infrun: 8798 [Thread 8798],
infrun: status->kind = stopped, signal = GDB_SIGNAL_TRAP
This masks out the PR10116 issue.
However, if the target is better at giving equal priority to all
threads, the PR10116 issue happens often, so it may take quite a while
for the right thread to be the first to report its watchpoint event
just after the memory being watched really changed, resulting in test
time outs.
Here's the number of events handled for each thread on a gdbserver run
with the event fairness patches:
$ grep "infrun.*\[Thread.*," gdb.log | sort | uniq -c
2961 infrun: 13591 [Thread 13591],
2956 infrun: 13591 [Thread 13595],
2941 infrun: 13591 [Thread 13596],
2932 infrun: 13591 [Thread 13597],
2905 infrun: 13591 [Thread 13598],
2891 infrun: 13591 [Thread 13599],
Note how the number of events is much higher. The test routinely
takes over 10 seconds to finish on my machine rather than under a
second as with unpatched gdbserver, when it succeeds, but often it'll
fail with timeouts too.
So to make the test robust, this patch switches the tests to using
"awatch" instead of "watch", as access watchpoints don't care about
the watchpoint's "old value". With this, the test always finishes
quickly, and we can even bump the number of threads concurrently
writting to the shared variable, to have better assurance we're really
testing the case of the "wrong" thread triggering a watchpoint.
Here's the number of events I see for each thread on a run on my
machine, with a gdbserver patched with the event fairness series:
$ grep "infrun.*\[Thread.*," testsuite/gdb.log | sort | uniq -c
5 infrun: 5298 [Thread 5302],
4 infrun: 5298 [Thread 5303],
4 infrun: 5298 [Thread 5304],
4 infrun: 5298 [Thread 5305],
4 infrun: 5298 [Thread 5306],
4 infrun: 5298 [Thread 5307],
4 infrun: 5298 [Thread 5308],
4 infrun: 5298 [Thread 5309],
4 infrun: 5298 [Thread 5310],
4 infrun: 5298 [Thread 5311],
4 infrun: 5298 [Thread 5312],
4 infrun: 5298 [Thread 5313],
4 infrun: 5298 [Thread 5314],
4 infrun: 5298 [Thread 5315],
4 infrun: 5298 [Thread 5316],
gdb/testsuite/
2015-01-09 Pedro Alves <palves@redhat.com>
* gdb.base/annota1.exp (thread_test): Use srcfile and binfile from
the global scope. Set a breakpoint after all threads are started
rather than stepping over two source lines. Expect the prompt.
* gdb.base/watch_thread_num.c (threads_started_barrier): New
global.
(NUM): Now 15.
(main): Use threads_started_barrier to wait for all threads to
start. Main thread no longer calls thread_function. Exit after
180 seconds.
(loop): New function.
(thread_function): Wait on threads_started_barrier barrier. Call
'loop' at each iteration.
* gdb.base/watch_thread_num.exp: Continue to breakpoint after all
threads have started, instead of hardcoding number of "next"
steps. Use an access watchpoint instead of a write watchpoint.
492 lines
18 KiB
Text
492 lines
18 KiB
Text
# Copyright 1999-2015 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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# This file was written by Elena Zannoni (ezannoni@cygnus.com)
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# are we on a target board? If so, don't run these tests.
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# note: this is necessary because we cannot use runto_main (which would
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# work for remote targets too) because of the different prompt we get
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# when using annotation level 2.
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#
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if [is_remote target] then {
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return 0
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}
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set breakpoints_invalid "\r\n\032\032breakpoints-invalid\r\n"
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#
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# test running programs
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#
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standard_testfile .c
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
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untested annota1.exp
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return -1
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}
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clean_restart ${binfile}
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# The commands we test here produce many lines of output; disable "press
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# <return> to continue" prompts.
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gdb_test_no_output "set height 0"
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#
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# break at main
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#
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set main_line [gdb_get_line_number "break main"]
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gdb_test "break main" \
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"Breakpoint.*at.* file .*$srcfile, line $main_line\\." \
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"breakpoint main"
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#
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# NOTE: this prompt is OK only when the annotation level is > 1
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# NOTE: When this prompt is in use the gdb_test procedure cannot be used because
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# it assumes that the last char after the gdb_prompt is a white space. This is not
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# true with this annotated prompt. So we must use send_gdb and gdb_expect.
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#
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set old_gdb_prompt $gdb_prompt
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set gdb_prompt "\r\n\032\032pre-prompt\r\n$gdb_prompt \r\n\032\032prompt\r\n"
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#
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# Escape all the characters in the path that need it. For instance
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# the directory name could contain '+'.
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#
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set escapedsrcfile [string_to_regexp ${srcdir}/${subdir}/${srcfile}]
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#
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# set the annotation level to 2
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#
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# of course, this will test:
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# annotate-pre-prompt
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# annotate-prompt
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# annotate-post-prompt (in the next block)
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#
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send_gdb "set annotate 2\n"
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gdb_expect {
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-re "set annotate 2\r\n$gdb_prompt$" { pass "annotation set at level 2" }
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-re ".*$gdb_prompt$" { fail "annotation set at level 2" }
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timeout { fail "annotation set at level 2 (timeout)" }
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}
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#
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# info break will test:
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# annotate-breakpoints-headers
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# annotate-field
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# annotate-breakpoints-table
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# annotate-record
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# annotate-breakpoints-table-end
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#
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gdb_test_multiple "info break" "breakpoint info" {
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-re "\r\n\032\032post-prompt\r\n\r\n\032\032breakpoints-headers\r\n\r\n\032\032field 0\r\nNum \r\n\032\032field 1\r\nType \r\n\032\032field 2\r\nDisp \r\n\032\032field 3\r\nEnb \r\n\032\032field 4\r\nAddress +\r\n\032\032field 5\r\nWhat\r\n\r\n\032\032breakpoints-table\r\n\r\n\032\032record\r\n\r\n\032\032field 0\r\n1 \r\n\032\032field 1\r\nbreakpoint \r\n\032\032field 2\r\nkeep \r\n\032\032field 3\r\ny \r\n\032\032field 4\r\n$hex +\r\n\032\032field 5\r\nin main at ${escapedsrcfile}:$main_line\r\n\r\n\032\032breakpoints-table-end\r\n$gdb_prompt$" {
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pass "breakpoint info"
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}
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-re "\r\n\032\032post-prompt\r\n\r\n\032\032breakpoints-headers\r\n\r\n\032\032field 0\r\nNum \r\n\032\032field 1\r\nType \r\n\032\032field 2\r\nDisp \r\n\032\032field 3\r\nEnb \r\n\032\032field 4\r\nAddress +\r\n\032\032field 5\r\nWhat\r\n\r\n\032\032breakpoints-table\r\n\r\n\032\032record\r\n\r\n\032\032field 0\r\n1 \r\n\032\032field 1\r\nbreakpoint \r\n\032\032field 2\r\nkeep \r\n\032\032field 3\r\ny \r\n\032\032field 4\r\n$hex +\r\n\032\032field 5\r\nin main at .*${srcfile}:$main_line\r\n\r\n\032\032breakpoints-table-end\r\n$gdb_prompt$" {
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setup_xfail "*-*-*" 1270
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fail "breakpoint info"
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}
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}
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#
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# run to a break point will test:
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# annotate-frames-invalid
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# annotate-breakpoints-invalid (a.k.a. breakpoints-changed)
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# annotate-starting
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# annotate-breakpoint
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# annotate-frame-begin
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# annotate-frame-function-name
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# annotate-frame-args
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# annotate-frame-source-begin
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# annotate-frame-source-file
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# annotate-frame-source-file-end
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# annotate-frame-source-line
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# annotate-frame-source-end
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# annotate-source
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# annotate-frame-end
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# annotate-stopped
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#
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#exp_internal 1
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set binexp [string_to_regexp $binfile]
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gdb_test_multiple "run" "run until main breakpoint" {
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-re "\r\n\032\032post-prompt\r\nStarting program: $binexp \(\r\nwarning: Skipping \[^\r\n\]+ .gdb_index section in \[^\r\n\]+\r\nDo \"set use-deprecated-index-sections on\" before the file is read\r\nto use the section anyway\\.\)?\(\(\r\n\r\n\032\032frames-invalid\)|\(\r\n\r\n\032\032breakpoints-invalid\)\)*\r\n\r\n\032\032starting\(\(\r\n\r\n\032\032frames-invalid\)|\(\r\n\r\n\032\032breakpoints-invalid\)\)*\r\n\r\n\032\032breakpoint 1\r\n\r\nBreakpoint 1, \r\n\032\032frame-begin 0 $hex\r\n\r\n\032\032frame-function-name\r\nmain\r\n\032\032frame-args\r\n \\(\\)\r\n\032\032frame-source-begin\r\n at \r\n\032\032frame-source-file\r\n.*annota1.c\r\n\032\032frame-source-file-end\r\n:\r\n\032\032frame-source-line\r\n$main_line\r\n\032\032frame-source-end\r\n\r\n\r\n\032\032source.*$srcfile:$main_line:.*:beg:$hex\r\n\r\n\032\032frame-end\r\n\r\n\032\032stopped.*$gdb_prompt$" {
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pass "run until main breakpoint"
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}
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}
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#exp_internal 0
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#exit 0
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#
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# Let's do a next, to get to a point where the array is initialized
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# We don't care about the annotated output for this operation, it is the same as
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# the one produced by run above
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#
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gdb_test_multiple "next" "go after array init line" {
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-re "source .*annota1.c.*$gdb_prompt$" {
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pass "go after array init line"
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}
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}
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#
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# printing the array will test:
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# annotate-value-history-begin
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# annotate-value-history-value
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# annotate-array-section-begin
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# annotate-elt
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# FIXME: annotate-elt-rep and annotate-elt-rep-end not tested
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# annotate-array-section-end
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# annotate-value-history-end
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# FIXME: annotate-value-begin and annotate-value-end not tested (the gdb output
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# command would cause them to be used)
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#
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gdb_test_multiple "print my_array" "print array" {
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-re "\r\n\032\032post-prompt\r\n\r\n\032\032value-history-begin 1 -\r\n.*= \r\n\032\032value-history-value\r\n.\r\n\032\032array-section-begin 0 -\r\n1\r\n\032\032elt\r\n, 2\r\n\032\032elt\r\n, 3\r\n\032\032elt\r\n\r\n\032\032array-section-end\r\n.\r\n\r\n\032\032value-history-end\r\n$gdb_prompt$" {
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pass "print array"
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}
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}
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#
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# this should generate an error message, so to test:
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# annotate-error-begin
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# FIXME: annotate-error not tested
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#
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#exp_internal 1
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gdb_test_multiple "print non_existent_value" "print non_existent_value" {
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-re "\r\n\032\032post-prompt\r\n\r\n\032\032error-begin\r\nNo symbol \"non_existent_value\" in current context.\r\n\r\n\032\032error\r\n$gdb_prompt$" {
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pass "print non_existent_value"
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}
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}
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#
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# break at signal handler. So that, once we are in the sig handler, if we do a bt
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# we can test annotate-signal-handler-caller
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#
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gdb_test_multiple "break handle_USR1" "break handle_USR1" {
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-re "\r\n\032\032post-prompt\r\nBreakpoint.*at $hex: file.*$srcfile, line.*\r\n\032\032breakpoints-invalid\r\n.*$gdb_prompt$" {
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pass "break handle_USR1"
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}
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}
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#
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# break at printf. When we are stopped at printf, we can test
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#
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gdb_test_multiple "break printf" "break printf" {
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-re "\r\n\032\032post-prompt\r\nBreakpoint.*at $hex.*\032\032breakpoints-invalid\r\n.*$gdb_prompt$" {
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pass "break printf"
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}
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-re "\r\n\032\032post-prompt\r\nwarning: Breakpoint address adjusted from $hex to $hex.\r\n\r\n\032\032breakpoints-invalid\r\nBreakpoint.*at $hex.*$gdb_prompt$" {
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pass "break printf"
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}
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}
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#
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# get to printf
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#
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set pat_begin "\r\n\032\032post-prompt\r\nContinuing.\r\n\r\n\032\032starting\r\n\r\n\032\032frames-invalid\r\n${breakpoints_invalid}"
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set pat_adjust "warning: Breakpoint 3 address previously adjusted from $hex to $hex.\r\n"
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set pat_end "\r\n\032\032breakpoint 3\r\n\r\nBreakpoint 3, \r\n\032\032frame-begin 0 $hex\r\n\r\n(\032\032frame-address\r\n$hex\r\n\032\032frame-address-end\r\n in \r\n)*.*\032\032frame-function-name\r\n.*printf(@.*)?\r\n\032\032frame-args\r\n.*\032\032frame-end\r\n\r\n\032\032stopped\r\n$gdb_prompt$"
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gdb_test_multiple "continue" "continue to printf" {
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-re "${pat_begin}($pat_adjust)?$pat_end" {
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pass "continue to printf"
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}
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-re ".*$gdb_prompt$" { fail "continue to printf" }
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}
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#
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# test:
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# annotate-frame-where
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# annotate-frame-address
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# annotate-frame-address-end
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#
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set pat_begin "\r\n\032\032post-prompt\r\n\r\n\032\032frame-begin 0 $hex\r\n.0 \r\n(\032\032frame-address\r\n$hex\r\n\032\032frame-address-end\r\n in \r\n)*\032\032frame-function-name\r\n.*printf(@.*)?\r\n\032\032frame-args\r\n \\(.*frame-end\r\n\r\n\032\032frame-begin 1 $hex\r\n.1 \r\n\032\032frame-address\r\n$hex\r\n\032\032frame-address-end\r\n in \r\n\032\032frame-function-name\r\nmain\r\n\032\032frame-args\r\n \\(\\)\r\n\032\032frame-source-begin\r\n at \r\n\032\032frame-source-file\r\n"
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set pat_end "\r\n\032\032frame-source-file-end\r\n:\r\n\032\032frame-source-line\r\n.*\r\n\032\032frame-source-end\r\n\r\n\r\n\032\032frame-end\r\n(\r\n\032\032frame-begin .*\r\n\r\n\032\032frame-end\r\n)*$gdb_prompt$"
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gdb_test_multiple "backtrace" "backtrace from shlibrary" {
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-re "$pat_begin$escapedsrcfile$pat_end" {
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pass "backtrace from shlibrary"
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}
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-re "$pat_begin.*$srcfile$pat_end" {
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setup_xfail "*-*-*" 1270
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fail "backtrace from shlibrary"
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}
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}
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#
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# test printing a frame with some arguments:
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# annotate-arg-begin
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# annotate-arg-name-end
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# annotate-arg-value
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# annotate-arg-end
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#
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if [target_info exists gdb,nosignals] {
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unsupported "send SIGUSR1"
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unsupported "backtrace @ signal handler"
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} else {
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gdb_test_multiple "signal SIGUSR1" "send SIGUSR1" {
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-re "\r\n\032\032post-prompt\r\nContinuing with signal SIGUSR1.\r\n\r\n\032\032starting\(\(\r\n\r\n\032\032frames-invalid\)|\(\r\n\r\n\032\032breakpoints-invalid\)\)+\r\n\r\n\032\032breakpoint 2\r\n\r\nBreakpoint 2, \r\n\032\032frame-begin 0 $hex\r\n\r\n\032\032frame-function-name\r\nhandle_USR1\r\n\032\032frame-args\r\n \\(\r\n\032\032arg-begin\r\nsig\r\n\032\032arg-name-end\r\n=\r\n\032\032arg-value -\r\n$decimal\r\n\032\032arg-end\r\n\\)\r\n\032\032frame-source-begin\r\n at \r\n\032\032frame-source-file\r\n${escapedsrcfile}\r\n\032\032frame-source-file-end\r\n:\r\n\032\032frame-source-line\r\n.*\r\n\032\032frame-source-end\r\n\r\n\r\n\032\032source.*annota1.c:.*:.*:beg:$hex\r\n\r\n\032\032frame-end\r\n\r\n\032\032stopped\r\n$gdb_prompt$" {
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pass "send SIGUSR1"
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}
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-re "\r\n\032\032post-prompt\r\nContinuing with signal SIGUSR1.\r\n\r\n\032\032starting\(\(\r\n\r\n\032\032frames-invalid\)|\(\r\n\r\n\032\032breakpoints-invalid\)\)+\r\n\r\n\032\032breakpoint 2\r\n\r\nBreakpoint 2, \r\n\032\032frame-begin 0 $hex\r\n\r\n\032\032frame-function-name\r\nhandle_USR1\r\n\032\032frame-args\r\n \\(\r\n\032\032arg-begin\r\nsig\r\n\032\032arg-name-end\r\n=\r\n\032\032arg-value -\r\n$decimal\r\n\032\032arg-end\r\n\\)\r\n\032\032frame-source-begin\r\n at \r\n\032\032frame-source-file\r\n.*${srcfile}\r\n\032\032frame-source-file-end\r\n:\r\n\032\032frame-source-line\r\n.*\r\n\032\032frame-source-end\r\n\r\n\r\n\032\032source.*annota1.c:.*:.*:beg:$hex\r\n\r\n\032\032frame-end\r\n\r\n\032\032stopped\r\n$gdb_prompt$" {
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setup_xfail "*-*-*" 1270
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fail "send SIGUSR1"
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}
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}
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#
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# test:
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# annotate-signal-handler-caller
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#
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gdb_test_multiple "backtrace" "backtrace @ signal handler" {
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-re "frame-begin 0 $hex\r\n#0.*frame-end.*frame-begin 1 $hex\r\n#1.*(\032\032signal-handler-caller\r\n.signal handler called.\r\n\r\n)+\032\032frame-end\r\n\r\n\032\032frame-begin 2 $hex\r\n#2.*(frame-begin 3 $hex\r\n#3.*)*frame-end.*$gdb_prompt$" {
|
|
pass "backtrace @ signal handler"
|
|
}
|
|
}
|
|
}
|
|
|
|
#
|
|
# delete all the breakpoints
|
|
#
|
|
gdb_test_multiple "delete 1" "delete bp 1" {
|
|
-re "\r\n\032\032post-prompt\r\n${breakpoints_invalid}$gdb_prompt$" {
|
|
pass "delete bp 1"
|
|
}
|
|
}
|
|
|
|
gdb_test_multiple "delete 2" "delete bp 2" {
|
|
-re "\r\n\032\032post-prompt\r\n${breakpoints_invalid}$gdb_prompt$" {
|
|
pass "delete bp 2"
|
|
}
|
|
}
|
|
|
|
gdb_test_multiple "delete 3" "delete bp 3" {
|
|
-re "\r\n\032\032post-prompt\r\n${breakpoints_invalid}$gdb_prompt$" {
|
|
pass "delete bp 3"
|
|
}
|
|
}
|
|
|
|
#
|
|
# break at main, after value is initialized. This is in preparation
|
|
# to test the annotate output for the display command.
|
|
#
|
|
gdb_test_multiple "break main" "break at main" {
|
|
-re "post-prompt.*Breakpoint 4 at $hex: file ${escapedsrcfile}, line $main_line.*\032\032breakpoints-invalid.*$gdb_prompt$" {
|
|
pass "break at main"
|
|
}
|
|
-re "post-prompt.*Breakpoint 4 at $hex: file .*${srcfile}, line $main_line.*\032\032breakpoints-invalid.*$gdb_prompt$" {
|
|
setup_xfail "*-*-*" 1270
|
|
fail "break at main"
|
|
}
|
|
}
|
|
|
|
#
|
|
# display the value; test:
|
|
# annotate-display-begin
|
|
# annotate-display-number-end
|
|
# annotate-display-format
|
|
# annotate-display-expression
|
|
# annotate-display-expression-end
|
|
# annotate-display-end
|
|
# FIXME: annotate-display-value not tested
|
|
#
|
|
gdb_test_multiple "display value" "set up display" {
|
|
-re "post-prompt\r\n\r\n\032\032display-begin\r\n1\r\n\032\032display-number-end\r\n: \r\n\032\032display-format\r\n\r\n\032\032display-expression\r\nvalue\r\n\032\032display-expression-end\r\n = \r\n\032\032display-expression\r\n7\r\n\r\n\032\032display-end\r\n$gdb_prompt$" {
|
|
pass "set up display"
|
|
}
|
|
}
|
|
|
|
|
|
# should ask query. Test annotate-query.
|
|
# we don't care about anything else here, only the query.
|
|
|
|
send_gdb "run\n"
|
|
gdb_expect {
|
|
-re "pre-query.*already.*\\(y or n\\).*query\r\n" {
|
|
send_gdb "y\n"
|
|
gdb_expect {
|
|
-re ".*post-query.*$gdb_prompt$" \
|
|
{ pass "re-run" }
|
|
-re ".*$gdb_prompt$" { fail "re-run" }
|
|
timeout { fail "re-run (timeout)" }
|
|
}
|
|
}
|
|
-re ".*$gdb_prompt$" { fail "re-run" }
|
|
timeout { fail "re-run (timeout)" }
|
|
}
|
|
|
|
#
|
|
# Test that breakpoints-invalid is issued once and only once for
|
|
# breakpoint ignore count changes, after annotation stopped.
|
|
#
|
|
|
|
set value_inc_line [gdb_get_line_number "increment value"]
|
|
|
|
gdb_test_multiple "break $value_inc_line" "break at value++" {
|
|
-re "Breakpoint 5 at $hex: file .*$srcfile, line $value_inc_line.*$gdb_prompt$" {
|
|
pass "break at value++"
|
|
}
|
|
}
|
|
|
|
gdb_test_multiple "ignore 5 4" "ignore 5 4" {
|
|
-re "Will ignore next 4 crossings of breakpoint 5.*$gdb_prompt$" {
|
|
pass "ignore 5 4"
|
|
}
|
|
}
|
|
|
|
gdb_test_multiple "continue" "annotate ignore count change" {
|
|
-re ".*breakpoints-invalid.*breakpoints-invalid.*$gdb_prompt$" {
|
|
fail "annotate ignore count change"
|
|
}
|
|
-re ".*$srcfile:$value_inc_line:.*\032\032stopped\r\n$gdb_prompt$" {
|
|
pass "annotate ignore count change"
|
|
}
|
|
}
|
|
|
|
# check that ignore command is working, or the above can provide
|
|
# misleading assurance ...
|
|
|
|
gdb_test_multiple "next" "next to exit loop" {
|
|
-re "source .*annota1.c.*$gdb_prompt$" {
|
|
}
|
|
}
|
|
|
|
set after_loop_line [gdb_get_line_number "after loop"]
|
|
|
|
gdb_test_multiple "next" "breakpoint ignore count" {
|
|
-re ".*$srcfile:$after_loop_line:.*$gdb_prompt$" {
|
|
pass "breakpoint ignore count"
|
|
}
|
|
}
|
|
|
|
# Get the inferior's PID for later.
|
|
|
|
set test "get inferior pid"
|
|
set pid -1
|
|
gdb_test_multiple "info inferior 1" "$test" {
|
|
-re "process (\[0-9\]*).*$gdb_prompt$" {
|
|
set pid $expect_out(1,string)
|
|
pass "$test"
|
|
}
|
|
}
|
|
|
|
#
|
|
# Send a signal that is not handled; test:
|
|
# annotate-signalled
|
|
# annotate-signal-name
|
|
# annotate-signal-name-end
|
|
# annotate-signal-string
|
|
# annotate-signal-string-end
|
|
# FIXME: annotate-signal not tested (requires that the inferior be
|
|
# stopped by a "random" signal)
|
|
#
|
|
# SIGTRAP signals are dropped before they get to the inferior process
|
|
# on hpux11. In theory, this behaivor can be controlled by setting
|
|
# TTEO_NORM_SIGTRAP in the inferior, but doing so did not cause
|
|
# the signal to be properly delivered.
|
|
#
|
|
# It has been verified that other signals will be delivered. However,
|
|
# rather than twiddle the test, I choose to leave it as-is as it
|
|
# exposes an interesting failure on hpux11.
|
|
|
|
if [target_info exists gdb,nosignals] {
|
|
unsupported "signal sent"
|
|
} else {
|
|
setup_xfail hppa*-*-hpux11*
|
|
gdb_test_multiple "signal SIGTRAP" "signal sent" {
|
|
-re ".*\032\032post-prompt\r\nContinuing with signal SIGTRAP.\r\n\r\n\032\032starting\(\r\n\r\n\032\032frames-invalid\)+\r\n\r\n\032\032signalled\r\n\r\nProgram terminated with signal \r\n\032\032signal-name\r\nSIGTRAP\r\n\032\032signal-name-end\r\n, \r\n\032\032signal-string\r\nTrace.breakpoint trap\r\n\032\032signal-string-end\r\n.\r\nThe program no longer exists.\r\n\r\n\032\032stopped\r\n$gdb_prompt$" {
|
|
pass "signal sent"
|
|
}
|
|
}
|
|
}
|
|
|
|
# Check for production of a core file and remove it!
|
|
|
|
set test "cleanup core file"
|
|
if { [remote_file host exists core] } {
|
|
remote_file host delete core
|
|
pass "$test (removed)"
|
|
} elseif { $pid != -1 && [remote_file host exists core.$pid] } {
|
|
remote_file host delete core.$pid
|
|
pass "$test (removed)"
|
|
} else {
|
|
pass "$test (not dumped)"
|
|
}
|
|
|
|
proc thread_test {} {
|
|
global subdir srcdir testfile srcfile binfile
|
|
global gdb_prompt old_gdb_prompt
|
|
set srcfile watch_thread_num.c
|
|
set binfile [standard_output_file ${testfile}-watch_thread_num]
|
|
set gdb_prompt $old_gdb_prompt
|
|
|
|
if { ![get_compiler_info] && [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] == "" } {
|
|
|
|
gdb_exit
|
|
gdb_start
|
|
gdb_reinitialize_dir $srcdir/$subdir
|
|
gdb_load ${binfile}
|
|
if { ![runto main] } then {
|
|
fail "run to main"
|
|
return
|
|
}
|
|
|
|
set linenum [gdb_get_line_number "all threads started"]
|
|
gdb_breakpoint "$linenum"
|
|
|
|
set gdb_prompt \
|
|
"\r\n\032\032pre-prompt\r\n$gdb_prompt \r\n\032\032prompt\r\n"
|
|
|
|
gdb_test_multiple "set annotate 2" "" {
|
|
-re "set annotate 2\r\n$gdb_prompt$" {
|
|
}
|
|
}
|
|
|
|
gdb_test_multiple "continue" "new thread" {
|
|
-re "\032\032new-thread.*\r\n$gdb_prompt$" {
|
|
pass "new thread"
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
proc thread_switch {} {
|
|
gdb_test_multiple "thread 1" "thread switch" {
|
|
-re ".*\032\032thread-changed" {
|
|
pass "thread switch"
|
|
}
|
|
}
|
|
}
|
|
|
|
thread_test
|
|
thread_switch
|
|
|
|
# restore the original prompt for the rest of the testsuite
|
|
|
|
set gdb_prompt $old_gdb_prompt
|