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[src/trunk]: src/tests/kernel Remove dbregs[12] from t_ptrace_wait{, 3, 4, 6, id, ...
details: https://anonhg.NetBSD.org/src/rev/a3c2deb3bbae
branches: trunk
changeset: 819664:a3c2deb3bbae
user: kamil <kamil%NetBSD.org@localhost>
date: Tue Dec 13 12:25:05 2016 +0000
description:
Remove dbregs[12] from t_ptrace_wait{,3,4,6,id,pid}
CPU Debug Registers won't be exposed as is to userland.
Hardware Watchpoints will be exported to userland dedicated interface
through the ptrace(2) interface.
Sponsored by <The NetBSD Foundation>
diffstat:
tests/kernel/t_ptrace_wait.c | 119 +------------------------------------------
1 files changed, 2 insertions(+), 117 deletions(-)
diffs (147 lines):
diff -r 477dab565d1f -r a3c2deb3bbae tests/kernel/t_ptrace_wait.c
--- a/tests/kernel/t_ptrace_wait.c Tue Dec 13 11:01:10 2016 +0000
+++ b/tests/kernel/t_ptrace_wait.c Tue Dec 13 12:25:05 2016 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_ptrace_wait.c,v 1.46 2016/12/08 13:32:17 kamil Exp $ */
+/* $NetBSD: t_ptrace_wait.c,v 1.47 2016/12/13 12:25:05 kamil Exp $ */
/*-
* Copyright (c) 2016 The NetBSD Foundation, Inc.
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ptrace_wait.c,v 1.46 2016/12/08 13:32:17 kamil Exp $");
+__RCSID("$NetBSD: t_ptrace_wait.c,v 1.47 2016/12/13 12:25:05 kamil Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -3907,118 +3907,6 @@
}
#endif
-#if defined(HAVE_DBREGS)
-ATF_TC(dbregs1);
-ATF_TC_HEAD(dbregs1, tc)
-{
- atf_tc_set_md_var(tc, "descr",
- "Verify plain PT_GETDBREGS call without further steps");
-}
-
-ATF_TC_BODY(dbregs1, tc)
-{
- const int exitval = 5;
- const int sigval = SIGSTOP;
- pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
- int status;
-#endif
- struct dbreg r;
-
- printf("Before forking process PID=%d\n", getpid());
- ATF_REQUIRE((child = fork()) != -1);
- 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 GETDBREGS for the child process\n");
- ATF_REQUIRE(ptrace(PT_GETDBREGS, 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_DBREGS)
-ATF_TC(dbregs2);
-ATF_TC_HEAD(dbregs2, tc)
-{
- atf_tc_set_md_var(tc, "descr",
- "Verify PT_GETDBREGS and PT_SETDBREGS calls without changing "
- "regs");
-}
-
-ATF_TC_BODY(dbregs2, tc)
-{
- const int exitval = 5;
- const int sigval = SIGSTOP;
- pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
- int status;
-#endif
- struct dbreg r;
-
- printf("Before forking process PID=%d\n", getpid());
- ATF_REQUIRE((child = fork()) != -1);
- 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 GETDBREGS for the child process\n");
- ATF_REQUIRE(ptrace(PT_GETDBREGS, child, &r, 0) != -1);
-
- printf("Call SETDBREGS for the child (without changed regs)\n");
- ATF_REQUIRE(ptrace(PT_SETDBREGS, 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(PT_STEP)
ATF_TC(step1);
ATF_TC_HEAD(step1, tc)
@@ -4641,9 +4529,6 @@
ATF_TP_ADD_TC_HAVE_FPREGS(tp, fpregs1);
ATF_TP_ADD_TC_HAVE_FPREGS(tp, fpregs2);
- ATF_TP_ADD_TC_HAVE_DBREGS(tp, dbregs1);
- ATF_TP_ADD_TC_HAVE_DBREGS(tp, dbregs2);
-
ATF_TP_ADD_TC_PT_STEP(tp, step1);
ATF_TP_ADD_TC_PT_STEP(tp, step2);
ATF_TP_ADD_TC_PT_STEP(tp, step3);
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