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[src/trunk]: src/tests/lib/libc/sys Move register tests out of t_ptrace_wait....
details: https://anonhg.NetBSD.org/src/rev/6e512037e97c
branches: trunk
changeset: 932307:6e512037e97c
user: kamil <kamil%NetBSD.org@localhost>
date: Mon May 04 20:55:48 2020 +0000
description:
Move register tests out of t_ptrace_wait.c to t_ptrace_register_wait.h
The same tests are now included with the preprocessor in t_ptrace_wait.c.
No functional change intended.
diffstat:
tests/lib/libc/sys/t_ptrace_register_wait.h | 205 ++++++++++++++++++++++++++++
tests/lib/libc/sys/t_ptrace_wait.c | 190 +------------------------
2 files changed, 213 insertions(+), 182 deletions(-)
diffs (truncated from 441 to 300 lines):
diff -r c0421768bac0 -r 6e512037e97c tests/lib/libc/sys/t_ptrace_register_wait.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/lib/libc/sys/t_ptrace_register_wait.h Mon May 04 20:55:48 2020 +0000
@@ -0,0 +1,205 @@
+/* $NetBSD: t_ptrace_register_wait.h,v 1.1 2020/05/04 20:55:48 kamil Exp $ */
+
+/*-
+ * Copyright (c) 2016, 2017, 2018, 2019, 2020 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#if defined(HAVE_GPREGS) || defined(HAVE_FPREGS)
+static void
+access_regs(const char *regset, const char *aux)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+#if defined(HAVE_GPREGS)
+ struct reg gpr;
+ register_t rgstr;
+#endif
+#if defined(HAVE_FPREGS)
+ struct fpreg fpr;
+#endif
+
+#if !defined(HAVE_GPREGS)
+ if (strcmp(regset, "regs") == 0)
+ atf_tc_fail("Impossible test scenario!");
+#endif
+
+#if !defined(HAVE_FPREGS)
+ if (strcmp(regset, "fpregs") == 0)
+ atf_tc_fail("Impossible test scenario!");
+#endif
+
+ DPRINTF("Before forking process PID=%d\n", getpid());
+ SYSCALL_REQUIRE((child = fork()) != -1);
+ if (child == 0) {
+ DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ DPRINTF("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ DPRINTF("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+#if defined(HAVE_GPREGS)
+ if (strcmp(regset, "regs") == 0) {
+ DPRINTF("Call GETREGS for the child process\n");
+ SYSCALL_REQUIRE(ptrace(PT_GETREGS, child, &gpr, 0) != -1);
+
+ if (strcmp(aux, "none") == 0) {
+ DPRINTF("Retrieved registers\n");
+ } else if (strcmp(aux, "pc") == 0) {
+ rgstr = PTRACE_REG_PC(&gpr);
+ DPRINTF("Retrieved %" PRIxREGISTER "\n", rgstr);
+ } else if (strstr(aux, "set_pc") != NULL) {
+ rgstr = PTRACE_REG_PC(&gpr);
+ DPRINTF("Retrieved PC %" PRIxREGISTER "\n", rgstr);
+ if (strstr(aux, "0x1") != NULL) {
+ rgstr |= 0x1;
+ } else if (strstr(aux, "0x3") != NULL) {
+ rgstr |= 0x3;
+ } else if (strstr(aux, "0x7") != NULL) {
+ rgstr |= 0x7;
+ }
+ DPRINTF("Set PC %" PRIxREGISTER "\n", rgstr);
+ PTRACE_REG_SET_PC(&gpr, rgstr);
+ if (strcmp(aux, "set_pc") != 0) {
+ /* This call can fail with EINVAL or similar. */
+ ptrace(PT_SETREGS, child, &gpr, 0);
+ }
+ } else if (strcmp(aux, "sp") == 0) {
+ rgstr = PTRACE_REG_SP(&gpr);
+ DPRINTF("Retrieved %" PRIxREGISTER "\n", rgstr);
+ } else if (strcmp(aux, "intrv") == 0) {
+ rgstr = PTRACE_REG_INTRV(&gpr);
+ DPRINTF("Retrieved %" PRIxREGISTER "\n", rgstr);
+ } else if (strcmp(aux, "setregs") == 0) {
+ DPRINTF("Call SETREGS for the child process\n");
+ SYSCALL_REQUIRE(
+ ptrace(PT_SETREGS, child, &gpr, 0) != -1);
+ }
+ }
+#endif
+
+#if defined(HAVE_FPREGS)
+ if (strcmp(regset, "fpregs") == 0) {
+ DPRINTF("Call GETFPREGS for the child process\n");
+ SYSCALL_REQUIRE(ptrace(PT_GETFPREGS, child, &fpr, 0) != -1);
+
+ if (strcmp(aux, "getfpregs") == 0) {
+ DPRINTF("Retrieved FP registers\n");
+ } else if (strcmp(aux, "setfpregs") == 0) {
+ DPRINTF("Call SETFPREGS for the child\n");
+ SYSCALL_REQUIRE(
+ ptrace(PT_SETFPREGS, child, &fpr, 0) != -1);
+ }
+ }
+#endif
+
+ DPRINTF("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ if (strstr(aux, "unaligned") != NULL) {
+ DPRINTF("Before resuming the child process where it left off "
+ "and without signal to be sent\n");
+ SYSCALL_REQUIRE(ptrace(PT_KILL, child, NULL, 0) != -1);
+
+ DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0),
+ child);
+
+ validate_status_signaled(status, SIGKILL, 0);
+
+ DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD,
+ wpid = TWAIT_GENERIC(child, &status, 0));
+ } else {
+ DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(
+ wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD,
+ wpid = TWAIT_GENERIC(child, &status, 0));
+ }
+}
+
+#define ACCESS_REGS(test, regset, aux) \
+ATF_TC(test); \
+ATF_TC_HEAD(test, tc) \
+{ \
+ atf_tc_set_md_var(tc, "descr", \
+ "Verify " regset " with auxiliary operation: " aux); \
+} \
+ \
+ATF_TC_BODY(test, tc) \
+{ \
+ \
+ access_regs(regset, aux); \
+}
+#endif
+
+#if defined(HAVE_GPREGS)
+ACCESS_REGS(access_regs1, "regs", "none")
+ACCESS_REGS(access_regs2, "regs", "pc")
+ACCESS_REGS(access_regs3, "regs", "set_pc")
+ACCESS_REGS(access_regs4, "regs", "sp")
+ACCESS_REGS(access_regs5, "regs", "intrv")
+ACCESS_REGS(access_regs6, "regs", "setregs")
+ACCESS_REGS(access_regs_set_unaligned_pc_0x1, "regs", "set_pc+unaligned+0x1")
+ACCESS_REGS(access_regs_set_unaligned_pc_0x3, "regs", "set_pc+unaligned+0x3")
+ACCESS_REGS(access_regs_set_unaligned_pc_0x7, "regs", "set_pc+unaligned+0x7")
+#endif
+#if defined(HAVE_FPREGS)
+ACCESS_REGS(access_fpregs1, "fpregs", "getfpregs")
+ACCESS_REGS(access_fpregs2, "fpregs", "setfpregs")
+#endif
+
+#define ATF_TP_ADD_TCS_PTRACE_WAIT_REGISTER() \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs1); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs2); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs3); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs4); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs5); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs6); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs_set_unaligned_pc_0x1); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs_set_unaligned_pc_0x3); \
+ ATF_TP_ADD_TC_HAVE_GPREGS(tp, access_regs_set_unaligned_pc_0x7); \
+ ATF_TP_ADD_TC_HAVE_FPREGS(tp, access_fpregs1); \
+ ATF_TP_ADD_TC_HAVE_FPREGS(tp, access_fpregs2);
diff -r c0421768bac0 -r 6e512037e97c tests/lib/libc/sys/t_ptrace_wait.c
--- a/tests/lib/libc/sys/t_ptrace_wait.c Mon May 04 20:06:38 2020 +0000
+++ b/tests/lib/libc/sys/t_ptrace_wait.c Mon May 04 20:55:48 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.173 2020/04/24 12:17:45 kamil Exp $ */
+/* $NetBSD: t_ptrace_wait.c,v 1.174 2020/05/04 20:55:48 kamil Exp $ */
/*-
* Copyright (c) 2016, 2017, 2018, 2019 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.173 2020/04/24 12:17:45 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.174 2020/05/04 20:55:48 kamil Exp $");
#define __LEGACY_PT_LWPINFO
@@ -5014,172 +5014,6 @@
/// ----------------------------------------------------------------------------
-#if defined(HAVE_GPREGS) || defined(HAVE_FPREGS)
-static void
-access_regs(const char *regset, const char *aux)
-{
- const int exitval = 5;
- const int sigval = SIGSTOP;
- pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
- int status;
-#endif
-#if defined(HAVE_GPREGS)
- struct reg gpr;
- register_t rgstr;
-#endif
-#if defined(HAVE_FPREGS)
- struct fpreg fpr;
-#endif
-
-#if !defined(HAVE_GPREGS)
- if (strcmp(regset, "regs") == 0)
- atf_tc_fail("Impossible test scenario!");
-#endif
-
-#if !defined(HAVE_FPREGS)
- if (strcmp(regset, "fpregs") == 0)
- atf_tc_fail("Impossible test scenario!");
-#endif
-
- DPRINTF("Before forking process PID=%d\n", getpid());
- SYSCALL_REQUIRE((child = fork()) != -1);
- if (child == 0) {
- DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
- FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
-
- DPRINTF("Before raising %s from child\n", strsignal(sigval));
- FORKEE_ASSERT(raise(sigval) == 0);
-
- DPRINTF("Before exiting of the child process\n");
- _exit(exitval);
- }
- DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
-
- DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
- TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
- validate_status_stopped(status, sigval);
-
-#if defined(HAVE_GPREGS)
- if (strcmp(regset, "regs") == 0) {
- DPRINTF("Call GETREGS for the child process\n");
- SYSCALL_REQUIRE(ptrace(PT_GETREGS, child, &gpr, 0) != -1);
-
- if (strcmp(aux, "none") == 0) {
- DPRINTF("Retrieved registers\n");
- } else if (strcmp(aux, "pc") == 0) {
- rgstr = PTRACE_REG_PC(&gpr);
- DPRINTF("Retrieved %" PRIxREGISTER "\n", rgstr);
- } else if (strstr(aux, "set_pc") != NULL) {
- rgstr = PTRACE_REG_PC(&gpr);
- DPRINTF("Retrieved PC %" PRIxREGISTER "\n", rgstr);
- if (strstr(aux, "0x1") != NULL) {
- rgstr |= 0x1;
- } else if (strstr(aux, "0x3") != NULL) {
- rgstr |= 0x3;
- } else if (strstr(aux, "0x7") != NULL) {
- rgstr |= 0x7;
- }
- DPRINTF("Set PC %" PRIxREGISTER "\n", rgstr);
- PTRACE_REG_SET_PC(&gpr, rgstr);
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