Module Name: src
Committed By: kamil
Date: Thu Nov 24 22:52:03 UTC 2016
Modified Files:
src/tests/kernel: t_ptrace_wait.c
Log Message:
Add fpregs[12] in t_ptrace_wait{,3,4,6,id,pid}
fpregs1:
Verify plain PT_GETFPREGS call without further steps
fpregs2:
Verify PT_GETFPREGS and PT_SETFPREGS calls without changing regs
Sponsored by <The NetBSD Foundation>
To generate a diff of this commit:
cvs rdiff -u -r1.29 -r1.30 src/tests/kernel/t_ptrace_wait.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/kernel/t_ptrace_wait.c
diff -u src/tests/kernel/t_ptrace_wait.c:1.29 src/tests/kernel/t_ptrace_wait.c:1.30
--- src/tests/kernel/t_ptrace_wait.c:1.29 Thu Nov 24 04:11:16 2016
+++ src/tests/kernel/t_ptrace_wait.c Thu Nov 24 22:52:03 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.29 2016/11/24 04:11:16 kamil Exp $ */
+/* $NetBSD: t_ptrace_wait.c,v 1.30 2016/11/24 22:52:03 kamil Exp $ */
/*-
* Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.29 2016/11/24 04:11:16 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.30 2016/11/24 22:52:03 kamil Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -196,6 +196,12 @@ do { \
#define HAVE_GPREGS
#endif
+/* Add guards for floating point registers */
+#if defined(PT_GETFPREGS) \
+ && defined(PT_SETFPREGS)
+#define HAVE_FPREGS
+#endif
+
/*
* If waitid(2) returns because one or more processes have a state change to
* report, 0 is returned. If an error is detected, a value of -1 is returned
@@ -4337,6 +4343,118 @@ ATF_TC_BODY(regs5, tc)
}
#endif
+#if defined(HAVE_FPREGS)
+ATF_TC(fpregs1);
+ATF_TC_HEAD(fpregs1, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify plain PT_GETFPREGS call without further steps");
+}
+
+ATF_TC_BODY(fpregs1, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct fpreg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ child = atf_utils_fork();
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETFPREGS, child, &r, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
+#if defined(HAVE_FPREGS)
+ATF_TC(fpregs2);
+ATF_TC_HEAD(fpregs2, tc)
+{
+ atf_tc_set_md_var(tc, "descr",
+ "Verify PT_GETFPREGS and PT_SETFPREGS calls without changing "
+ "regs");
+}
+
+ATF_TC_BODY(fpregs2, tc)
+{
+ const int exitval = 5;
+ const int sigval = SIGSTOP;
+ pid_t child, wpid;
+#if defined(TWAIT_HAVE_STATUS)
+ int status;
+#endif
+ struct fpreg r;
+
+ printf("Before forking process PID=%d\n", getpid());
+ child = atf_utils_fork();
+ if (child == 0) {
+ printf("Before calling PT_TRACE_ME from child %d\n", getpid());
+ FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
+
+ printf("Before raising %s from child\n", strsignal(sigval));
+ FORKEE_ASSERT(raise(sigval) == 0);
+
+ printf("Before exiting of the child process\n");
+ _exit(exitval);
+ }
+ printf("Parent process PID=%d, child's PID=%d\n", getpid(), child);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_stopped(status, sigval);
+
+ printf("Call GETFPREGS for the child process\n");
+ ATF_REQUIRE(ptrace(PT_GETFPREGS, child, &r, 0) != -1);
+
+ printf("Call SETFPREGS for the child (without changed regs)\n");
+ ATF_REQUIRE(ptrace(PT_GETFPREGS, child, &r, 0) != -1);
+
+ printf("Before resuming the child process where it left off and "
+ "without signal to be sent\n");
+ ATF_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
+
+ validate_status_exited(status, exitval);
+
+ printf("Before calling %s() for the child\n", TWAIT_FNAME);
+ TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
+}
+#endif
+
#if defined(TWAIT_HAVE_PID)
#define ATF_TP_ADD_TC_HAVE_PID(a,b) ATF_TP_ADD_TC(a,b)
#else
@@ -4349,6 +4467,12 @@ ATF_TC_BODY(regs5, tc)
#define ATF_TP_ADD_TC_HAVE_GPREGS(a,b)
#endif
+#if defined(HAVE_FPREGS)
+#define ATF_TP_ADD_TC_HAVE_FPREGS(a,b) ATF_TP_ADD_TC(a,b)
+#else
+#define ATF_TP_ADD_TC_HAVE_FPREGS(a,b)
+#endif
+
ATF_TP_ADD_TCS(tp)
{
setvbuf(stdout, NULL, _IONBF, 0);
@@ -4417,5 +4541,8 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs4);
ATF_TP_ADD_TC_HAVE_GPREGS(tp, regs5);
+ ATF_TP_ADD_TC_HAVE_FPREGS(tp, fpregs1);
+ ATF_TP_ADD_TC_HAVE_FPREGS(tp, fpregs2);
+
return atf_no_error();
}
