th->step_range_start = 0;
th->step_range_end = 0;
+ /* The target reports the exec event to the main thread, even if
+ some other thread does the exec, and even if the main thread was
+ already stopped --- if debugging in non-stop mode, it's possible
+ the user had the main thread held stopped in the previous image
+ --- release it now. This is the same behavior as step-over-exec
+ with scheduler-locking on in all-stop mode. */
+ th->stop_requested = 0;
+
/* What is this a.out's name? */
printf_unfiltered (_("Executing new program: %s\n"), execd_pathname);
--- /dev/null
+# Copyright 2009 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Test that when a thread other than the main thread execs, and the
+# main thread was stopped due to user request, the new incarnation of
+# the main thread doesn't just silently stop at the first internal
+# breakpoint (usually the _dl_debug_state breakpoint).
+
+# No exec event support in the remote protocol.
+if { [is_remote target] } then {
+ continue
+}
+
+load_lib mi-support.exp
+set MIFLAGS "-i=mi"
+
+gdb_exit
+if {[mi_gdb_start]} {
+ continue
+}
+
+#
+# Start here
+#
+set testfile "nsthrexec"
+set srcfile "$testfile.c"
+set binfile "$objdir/$subdir/mi-$testfile"
+
+set options [list debug incdir=$objdir]
+if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" $binfile executable $options] != "" } {
+ return -1
+}
+
+mi_gdb_reinitialize_dir $srcdir/$subdir
+mi_gdb_load $binfile
+
+set supported 0
+send_gdb "-gdb-show non-stop\n"
+gdb_expect {
+ -re ".*\\^done,value=\"off\",supported=\"(\[^\"\]+)\"\r\n$mi_gdb_prompt$" {
+ if { $expect_out(1,string) == "1" } {
+ set supported 1
+ }
+ }
+ -re ".$mi_gdb_prompt$" {
+ }
+}
+
+mi_gdb_test "-gdb-set non-stop 1" ".*"
+mi_gdb_test "-gdb-set target-async 1" ".*"
+detect_async
+
+if { [mi_run_to_main] < 0 } {
+ perror "mi-nsthrexec.exp tests suppressed"
+ continue
+}
+
+mi_create_breakpoint thread_execler 2 keep thread_execler .* .* .* \
+ "breakpoint at thread_execler"
+
+# All threads should stop, except the main thread.
+mi_send_resuming_command "exec-continue --all" "resume all"
+mi_expect_stop "breakpoint-hit" "thread_execler" "\[^\n\]*" "$srcfile" \
+ "\[0-9\]*" {"" "disp=\"keep\""} "stop at thread_execler"
+
+mi_check_thread_states \
+ {"running" "stopped"} \
+ "thread state, execler stopped, main running"
+
+mi_gdb_test "200-exec-interrupt --thread 1" "200\\^done" "interrupt main thread"
+mi_expect_interrupt "main thread interrupted"
+
+mi_check_thread_states {"stopped" "stopped"} "thread state, all stopped"
+
+# now that we know about all the threads, we can get rid of the breakpoints
+mi_delete_breakpoints
+
+mi_create_breakpoint main 3 keep main .* .* .* \
+ "breakpoint at main"
+
+# Now resume the execler thread. Eventually, it execs.
+mi_send_resuming_command "exec-continue --thread 2" "resume execler thread"
+
+# Check that the main thread passes by the _dl_debug_state internal
+# breakpoint without silently stopping.
+mi_expect_stop "breakpoint-hit" "main" "\[^\n\]*" "$srcfile" \
+ "\[0-9\]*" {"" "disp=\"keep\""} "stop at main after exec"
+
+mi_gdb_exit
--- /dev/null
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2009 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <pthread.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+static const char *image;
+
+void *
+thread_execler (void *arg)
+{
+ /* Exec ourselves again. */
+ if (execl (image, image, NULL) == -1)
+ {
+ perror ("execl");
+ abort ();
+ }
+
+ return NULL;
+}
+
+int
+main (int argc, char **argv)
+{
+ pthread_t thread;
+
+ image = argv[0];
+
+ pthread_create (&thread, NULL, thread_execler, NULL);
+ pthread_join (thread, NULL);
+
+ return 0;
+}
projects / binutils-gdb.git / commitdiff