[PATCH 01/13] gdb/record: Add testcases for a few syscalls.

Marcin Kościelnicki
2015-10-29T20:40:13Z

gdb/testsuite/ChangeLog:

* gdb.reverse/fstatat-reverse.c: New test.
* gdb.reverse/fstatat-reverse.exp: New file.
* gdb.reverse/getresuid-reverse.c: New test.
* gdb.reverse/getresuid-reverse.exp: New file.
* gdb.reverse/pipe-reverse.c: New test.
* gdb.reverse/pipe-reverse.exp: New file.
* gdb.reverse/readv-reverse.c: New test.
* gdb.reverse/readv-reverse.exp: New file.
* gdb.reverse/recvmsg-reverse.c: New test.
* gdb.reverse/recvmsg-reverse.exp: New file.
* gdb.reverse/time-reverse.c: New test.
* gdb.reverse/time-reverse.exp: New file.
* gdb.reverse/waitpid-reverse.c: New test.
* gdb.reverse/waitpid-reverse.exp: New file.
---

Fixed per your comments.

gdb/testsuite/ChangeLog | 17 +++++
gdb/testsuite/gdb.reverse/fstatat-reverse.c | 43 +++++++++++
gdb/testsuite/gdb.reverse/fstatat-reverse.exp | 55 +++++++++++++++
gdb/testsuite/gdb.reverse/getresuid-reverse.c | 42 +++++++++++
gdb/testsuite/gdb.reverse/getresuid-reverse.exp | 62 ++++++++++++++++
gdb/testsuite/gdb.reverse/pipe-reverse.c | 39 ++++++++++
gdb/testsuite/gdb.reverse/pipe-reverse.exp | 55 +++++++++++++++
gdb/testsuite/gdb.reverse/readv-reverse.c | 50 +++++++++++++
gdb/testsuite/gdb.reverse/readv-reverse.exp | 58 +++++++++++++++
gdb/testsuite/gdb.reverse/recvmsg-reverse.c | 94 +++++++++++++++++++++++++
gdb/testsuite/gdb.reverse/recvmsg-reverse.exp | 65 +++++++++++++++++
gdb/testsuite/gdb.reverse/time-reverse.c | 42 +++++++++++
gdb/testsuite/gdb.reverse/time-reverse.exp | 55 +++++++++++++++
gdb/testsuite/gdb.reverse/waitpid-reverse.c | 45 ++++++++++++
gdb/testsuite/gdb.reverse/waitpid-reverse.exp | 55 +++++++++++++++
15 files changed, 777 insertions(+)
create mode 100644 gdb/testsuite/gdb.reverse/fstatat-reverse.c
create mode 100644 gdb/testsuite/gdb.reverse/fstatat-reverse.exp
create mode 100644 gdb/testsuite/gdb.reverse/getresuid-reverse.c
create mode 100644 gdb/testsuite/gdb.reverse/getresuid-reverse.exp
create mode 100644 gdb/testsuite/gdb.reverse/pipe-reverse.c
create mode 100644 gdb/testsuite/gdb.reverse/pipe-reverse.exp
create mode 100644 gdb/testsuite/gdb.reverse/readv-reverse.c
create mode 100644 gdb/testsuite/gdb.reverse/readv-reverse.exp
create mode 100644 gdb/testsuite/gdb.reverse/recvmsg-reverse.c
create mode 100644 gdb/testsuite/gdb.reverse/recvmsg-reverse.exp
create mode 100644 gdb/testsuite/gdb.reverse/time-reverse.c
create mode 100644 gdb/testsuite/gdb.reverse/time-reverse.exp
create mode 100644 gdb/testsuite/gdb.reverse/waitpid-reverse.c
create mode 100644 gdb/testsuite/gdb.reverse/waitpid-reverse.exp

diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 1313aa2..07ec548 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,20 @@
+2015-10-22 Marcin KoÅ›cielnicki <koriakin@0x04.net>
+
+ * gdb.reverse/fstatat-reverse.c: New test.
+ * gdb.reverse/fstatat-reverse.exp: New file.
+ * gdb.reverse/getresuid-reverse.c: New test.
+ * gdb.reverse/getresuid-reverse.exp: New file.
+ * gdb.reverse/pipe-reverse.c: New test.
+ * gdb.reverse/pipe-reverse.exp: New file.
+ * gdb.reverse/readv-reverse.c: New test.
+ * gdb.reverse/readv-reverse.exp: New file.
+ * gdb.reverse/recvmsg-reverse.c: New test.
+ * gdb.reverse/recvmsg-reverse.exp: New file.
+ * gdb.reverse/time-reverse.c: New test.
+ * gdb.reverse/time-reverse.exp: New file.
+ * gdb.reverse/waitpid-reverse.c: New test.
+ * gdb.reverse/waitpid-reverse.exp: New file.
+
2015-10-21 Simon Marchi <simon.marchi@polymtl.ca>

PR python/18073
diff --git a/gdb/testsuite/gdb.reverse/fstatat-reverse.c b/gdb/testsuite/gdb.reverse/fstatat-reverse.c
new file mode 100644
index 0000000..759d466
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/fstatat-reverse.c
@@ -0,0 +1,43 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008-2015 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/>. */
+
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+void
+marker1 (void)
+{
+}
+
+void
+marker2 (void)
+{
+}
+
+struct stat buf;
+
+int
+main ()
+{
+ marker1 ();
+ int fd = open ("/", O_PATH);
+ fstatat( fd, ".", &buf, 0);
+ marker2 ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.reverse/fstatat-reverse.exp b/gdb/testsuite/gdb.reverse/fstatat-reverse.exp
new file mode 100644
index 0000000..09deb6c
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/fstatat-reverse.exp
@@ -0,0 +1,55 @@
+# Copyright 2015 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/>.
+
+# This file is part of the gdb testsuite.
+
+#
+# This test tests fstatat syscall for reverse execution.
+#
+
+if ![supports_reverse] {
+ return
+}
+
+standard_testfile
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+ return -1
+}
+
+runto main
+
+if [supports_process_record] {
+ # Activate process record/replay
+ gdb_test_no_output "record" "Turn on process record"
+}
+
+gdb_test "break marker1" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker1"
+
+gdb_test "break marker2" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker2"
+
+gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
+
+gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
+
+# If the variable was recorded properly on syscall, the old contents (0)
+# will be remembered. If not, new contents (mode of /) will be used,
+# and the test will fail.
+
+gdb_test "print buf.st_mode" ".* = 0" "check fstatat record"
diff --git a/gdb/testsuite/gdb.reverse/getresuid-reverse.c b/gdb/testsuite/gdb.reverse/getresuid-reverse.c
new file mode 100644
index 0000000..2c6a937
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/getresuid-reverse.c
@@ -0,0 +1,42 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008-2015 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/>. */
+
+#define _GNU_SOURCE
+#include <unistd.h>
+
+void
+marker1 (void)
+{
+}
+
+void
+marker2 (void)
+{
+}
+
+uid_t ruid = -1, euid = -1, suid = -1;
+gid_t rgid = -1, egid = -1, sgid = -1;
+
+int
+main ()
+{
+ marker1 ();
+ getresuid (&ruid, &euid, &suid);
+ getresgid (&rgid, &egid, &sgid);
+ marker2 ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.reverse/getresuid-reverse.exp b/gdb/testsuite/gdb.reverse/getresuid-reverse.exp
new file mode 100644
index 0000000..b93fb91
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/getresuid-reverse.exp
@@ -0,0 +1,62 @@
+# Copyright 2015 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/>.
+
+# This file is part of the gdb testsuite.
+
+#
+# This test tests getresuid/getresgid syscalls for reverse execution.
+#
+
+if ![supports_reverse] {
+ return
+}
+
+standard_testfile
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+ return -1
+}
+
+runto main
+
+if [supports_process_record] {
+ # Activate process record/replay
+ gdb_test_no_output "record" "Turn on process record"
+}
+
+gdb_test "break marker1" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker1"
+
+gdb_test "break marker2" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker2"
+
+gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
+
+gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
+
+# If the variables were recorded properly on syscall, the old contents (-1)
+# will be remembered. If not, new contents (the actual uid/gid) will be used,
+# and the test will fail (we hope the test user doesn't actually have uid of
+# -1). Do it this way instead of printing uid/gid directly, since uid_t/gid_t
+# is likely to be unsigned.
+
+gdb_test "print ruid == (uid_t)-1" ".* = 1" "check ruid record"
+gdb_test "print euid == (uid_t)-1" ".* = 1" "check euid record"
+gdb_test "print suid == (uid_t)-1" ".* = 1" "check suid record"
+gdb_test "print rgid == (gid_t)-1" ".* = 1" "check rgid record"
+gdb_test "print egid == (gid_t)-1" ".* = 1" "check egid record"
+gdb_test "print sgid == (gid_t)-1" ".* = 1" "check sgid record"
diff --git a/gdb/testsuite/gdb.reverse/pipe-reverse.c b/gdb/testsuite/gdb.reverse/pipe-reverse.c
new file mode 100644
index 0000000..ec8438c
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/pipe-reverse.c
@@ -0,0 +1,39 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008-2015 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/>. */
+
+#define _GNU_SOURCE
+#include <unistd.h>
+
+void
+marker1 (void)
+{
+}
+
+void
+marker2 (void)
+{
+}
+
+int fds[2] = { -1, -1 };
+
+int
+main () {
+ marker1 ();
+ pipe (fds);
+ marker2 ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.reverse/pipe-reverse.exp b/gdb/testsuite/gdb.reverse/pipe-reverse.exp
new file mode 100644
index 0000000..482893a
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/pipe-reverse.exp
@@ -0,0 +1,55 @@
+# Copyright 2015 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/>.
+
+# This file is part of the gdb testsuite.
+
+#
+# This test tests pipe syscall for reverse execution.
+#
+
+if ![supports_reverse] {
+ return
+}
+
+standard_testfile
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+ return -1
+}
+
+runto main
+
+if [supports_process_record] {
+ # Activate process record/replay
+ gdb_test_no_output "record" "Turn on process record"
+}
+
+gdb_test "break marker1" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker1"
+
+gdb_test "break marker2" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker2"
+
+gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
+
+gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
+
+# If the variables were recorded properly on syscall, the old contents (-1)
+# will be remembered. If not, new contents (the file fds from pipe) will be
+# used, and the test will fail.
+
+gdb_test "print fds" ".* = {-1, -1}" "check pipe record"
diff --git a/gdb/testsuite/gdb.reverse/readv-reverse.c b/gdb/testsuite/gdb.reverse/readv-reverse.c
new file mode 100644
index 0000000..46d4eef
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/readv-reverse.c
@@ -0,0 +1,50 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008-2015 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/>. */
+
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <sys/uio.h>
+
+void
+marker1 (void)
+{
+}
+
+void
+marker2 (void)
+{
+}
+
+int fds[2] = { -1, -1 };
+char buf[5];
+const struct iovec v[4] = {
+ { &buf[1], 1 },
+ { &buf[0], 1 },
+ { &buf[3], 1 },
+ { &buf[2], 1 },
+};
+
+int
+main ()
+{
+ marker1 ();
+ pipe (fds);
+ write (fds[1], "UNIX", 4);
+ readv (fds[0], v, 4);
+ marker2 ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.reverse/readv-reverse.exp b/gdb/testsuite/gdb.reverse/readv-reverse.exp
new file mode 100644
index 0000000..4158c10
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/readv-reverse.exp
@@ -0,0 +1,58 @@
+# Copyright 2015 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/>.
+
+# This file is part of the gdb testsuite.
+
+#
+# This test tests pipe syscall for reverse execution.
+#
+
+if ![supports_reverse] {
+ return
+}
+
+standard_testfile
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+ return -1
+}
+
+runto main
+
+if [supports_process_record] {
+ # Activate process record/replay
+ gdb_test_no_output "record" "Turn on process record"
+}
+
+gdb_test "break marker1" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker1"
+
+gdb_test "break marker2" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker2"
+
+gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
+
+gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
+
+# If the variables were recorded properly on syscall, the old contents ("")
+# will be remembered. If not, new contents ("NUXI") will be
+# used, and the test will fail.
+
+gdb_test "print (int)buf\[0]" ".* = 0" "check readv record"
+gdb_test "print (int)buf\[1]" ".* = 0" "check readv record"
+gdb_test "print (int)buf\[2]" ".* = 0" "check readv record"
+gdb_test "print (int)buf\[3]" ".* = 0" "check readv record"
diff --git a/gdb/testsuite/gdb.reverse/recvmsg-reverse.c b/gdb/testsuite/gdb.reverse/recvmsg-reverse.c
new file mode 100644
index 0000000..1fc09a3
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/recvmsg-reverse.c
@@ -0,0 +1,94 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008-2015 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/>. */
+
+#define _GNU_SOURCE
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <unistd.h>
+
+void
+marker1 (void)
+{
+}
+
+void
+marker2 (void)
+{
+}
+
+char wdata[] = "abcdef";
+
+struct iovec wv[1] = {
+ { wdata, 6 },
+};
+
+char wc[CMSG_SPACE(sizeof (struct ucred)) + CMSG_SPACE(sizeof (int))];
+
+struct msghdr wmsg = {
+ 0, 0,
+ wv, 1,
+ wc, sizeof wc,
+ 0,
+};
+
+char rdata[5] = "xxxx";
+
+struct iovec rv[2] = {
+ {&rdata[2], 2},
+ {&rdata[0], 2},
+};
+
+char rc[CMSG_SPACE(sizeof (struct ucred)) + 7];
+
+struct msghdr rmsg = {
+ 0, 0,
+ rv, 2,
+ rc, sizeof rc,
+ 0,
+};
+
+int fds[2];
+
+int
+main ()
+{
+ int itrue = 1;
+ /* prepare cmsg to send */
+ struct cmsghdr *cm1 = CMSG_FIRSTHDR(&wmsg);
+ cm1->cmsg_len = CMSG_LEN(sizeof (struct ucred));
+ cm1->cmsg_level = AF_UNIX;
+ cm1->cmsg_type = SCM_CREDENTIALS;
+ struct ucred *uc = (void *)CMSG_DATA(cm1);
+ uc->pid = getpid ();
+ uc->uid = getuid ();
+ uc->gid = getgid ();
+ struct cmsghdr *cm2 = CMSG_NXTHDR(&wmsg, cm1);
+ cm2->cmsg_len = CMSG_LEN(sizeof (int));
+ cm2->cmsg_level = AF_UNIX;
+ cm2->cmsg_type = SCM_RIGHTS;
+ int *pfd = (void *)CMSG_DATA(cm2);
+ *pfd = 2;
+ /* do the syscalls */
+ marker1();
+ socketpair (AF_UNIX, SOCK_DGRAM, 0, fds);
+ setsockopt (fds[0], SOL_SOCKET, SO_PASSCRED, &itrue, sizeof itrue);
+ sendmsg (fds[1], &wmsg, 0);
+ recvmsg (fds[0], &rmsg, 0);
+ marker2();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.reverse/recvmsg-reverse.exp b/gdb/testsuite/gdb.reverse/recvmsg-reverse.exp
new file mode 100644
index 0000000..7293a3d
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/recvmsg-reverse.exp
@@ -0,0 +1,65 @@
+# Copyright 2015 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/>.
+
+# This file is part of the gdb testsuite.
+
+#
+# This test tests socketpair and recvmsg syscalls for reverse execution.
+#
+
+if ![supports_reverse] {
+ return
+}
+
+standard_testfile
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+ return -1
+}
+
+runto main
+
+if [supports_process_record] {
+ # Activate process record/replay
+ gdb_test_no_output "record" "Turn on process record"
+}
+
+gdb_test "break marker1" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker1"
+
+gdb_test "break marker2" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker2"
+
+gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
+
+gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
+
+# If the variables were recorded properly on syscall, the old contents will
+# be remembered. If not, new contents will be used, and the test will fail.
+
+# rdata should be "xxxx", not "cdab"
+gdb_test "print rdata" ".* = \"xxxx\"" "check recvmsg record - rdata"
+
+# rmsg.msg_flags should be zeros, not MSG_TRUNC | MSG_CTRUNC
+gdb_test "print rmsg.msg_flags" ".* = 0" "check recvmsg record - rmsg"
+
+# rmsg.msg_controllen should be sizeof rc, not actual size of control data
+# (7 bytes less)
+gdb_test "print rmsg.msg_controllen - sizeof rc" ".* = 0" "check recvmsg record - rmsg"
+
+# rc should be zeros, not received cmsg
+gdb_test "print ((struct cmsghdr *)rc)->cmsg_len" ".* = 0" "check recvmsg record - cmsg"
diff --git a/gdb/testsuite/gdb.reverse/time-reverse.c b/gdb/testsuite/gdb.reverse/time-reverse.c
new file mode 100644
index 0000000..d8c07e1
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/time-reverse.c
@@ -0,0 +1,42 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008-2015 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/>. */
+
+#define _GNU_SOURCE
+#include <time.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+void
+marker1 (void)
+{
+}
+
+void
+marker2 (void)
+{
+}
+
+time_t time_global = -1;
+
+int
+main ()
+{
+ marker1 ();
+ syscall (SYS_time, &time_global);
+ marker2 ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.reverse/time-reverse.exp b/gdb/testsuite/gdb.reverse/time-reverse.exp
new file mode 100644
index 0000000..9cec3c3
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/time-reverse.exp
@@ -0,0 +1,55 @@
+# Copyright 2015 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/>.
+
+# This file is part of the gdb testsuite.
+
+#
+# This test tests time syscall for reverse execution.
+#
+
+if ![supports_reverse] {
+ return
+}
+
+standard_testfile
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+ return -1
+}
+
+runto main
+
+if [supports_process_record] {
+ # Activate process record/replay
+ gdb_test_no_output "record" "Turn on process record"
+}
+
+gdb_test "break marker1" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker1"
+
+gdb_test "break marker2" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker2"
+
+gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
+
+gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
+
+# If the variable was recorded properly on syscall, the old contents (-1)
+# will be remembered. If not, new contents (current time) will be used,
+# and the test will fail.
+
+gdb_test "print time_global" ".* = -1" "check time record"
diff --git a/gdb/testsuite/gdb.reverse/waitpid-reverse.c b/gdb/testsuite/gdb.reverse/waitpid-reverse.c
new file mode 100644
index 0000000..a681335
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/waitpid-reverse.c
@@ -0,0 +1,45 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2008-2015 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 <unistd.h>
+#include <stdlib.h>
+#include <sys/wait.h>
+
+void
+marker1 (void)
+{
+}
+
+void
+marker2 (void)
+{
+}
+
+int status = -1;
+
+int
+main ()
+{
+ marker1 ();
+ if (!fork ()) {
+ _exit (123);
+ } else {
+ waitpid (-1, &status, 0);
+ }
+ marker2 ();
+ return 0;
+}
diff --git a/gdb/testsuite/gdb.reverse/waitpid-reverse.exp b/gdb/testsuite/gdb.reverse/waitpid-reverse.exp
new file mode 100644
index 0000000..f4a4403
--- /dev/null
+++ b/gdb/testsuite/gdb.reverse/waitpid-reverse.exp
@@ -0,0 +1,55 @@
+# Copyright 2015 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/>.
+
+# This file is part of the gdb testsuite.
+
+#
+# This test tests waitpid syscall for reverse execution.
+#
+
+if ![supports_reverse] {
+ return
+}
+
+standard_testfile
+
+if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
+ return -1
+}
+
+runto main
+
+if [supports_process_record] {
+ # Activate process record/replay
+ gdb_test_no_output "record" "Turn on process record"
+}
+
+gdb_test "break marker1" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker1"
+
+gdb_test "break marker2" \
+ "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
+ "set breakpoint at marker2"
+
+gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
+
+gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
+
+# If the variable was recorded properly on syscall, the old contents (-1)
+# will be remembered. If not, new contents (status) will be used, and
+# the test will fail.
+
+gdb_test "print status" ".* = -1" "check waitpid record"
--
2.6.2