[src/trunk]: src/usr.bin/ktruss Catch up in ktruss(1) with ptrace descriptive...

[kamil <kamil%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/67975e798796
branches:  trunk
changeset: 1006416:67975e798796
user:      kamil <kamil%NetBSD.org@localhost>
date:      Tue Jan 14 11:28:35 2020 +0000

description:
Catch up in ktruss(1) with ptrace descriptive operation names

Switch to dynamic string lists PT_STRINGS and PT_MACHDEP_STRINGS.

Reuse the code and approach from kdump(1).

diffstat:

 usr.bin/ktruss/dump.c |  20 ++++++++++++++------
 1 files changed, 14 insertions(+), 6 deletions(-)

diffs (51 lines):

diff -r bc27b67078be -r 67975e798796 usr.bin/ktruss/dump.c
--- a/usr.bin/ktruss/dump.c     Tue Jan 14 09:49:26 2020 +0000
+++ b/usr.bin/ktruss/dump.c     Tue Jan 14 11:28:35 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dump.c,v 1.46 2020/01/04 22:22:34 mlelstv Exp $        */
+/*     $NetBSD: dump.c,v 1.47 2020/01/14 11:28:35 kamil Exp $  */
 
 /*-
  * Copyright (c) 1988, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)kdump.c    8.4 (Berkeley) 4/28/95";
 #endif
-__RCSID("$NetBSD: dump.c,v 1.46 2020/01/04 22:22:34 mlelstv Exp $");
+__RCSID("$NetBSD: dump.c,v 1.47 2020/01/14 11:28:35 kamil Exp $");
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -74,11 +74,13 @@
 #include <sys/syscall.h>
 
 static const char *const ptrace_ops[] = {
-       "PT_TRACE_ME",  "PT_READ_I",    "PT_READ_D",    "PT_READ_U",
-       "PT_WRITE_I",   "PT_WRITE_D",   "PT_WRITE_U",   "PT_CONTINUE",
-       "PT_KILL",      "PT_ATTACH",    "PT_DETACH",
+       PT_STRINGS
 };
 
+#ifdef PT_MACHDEP_STRINGS
+static const char * const ptrace_machdep_ops[] = { PT_MACHDEP_STRINGS };
+#endif
+
 struct ktr_entry {
        TAILQ_ENTRY(ktr_entry) kte_list;
        struct ktr_header kte_kth;
@@ -578,8 +580,14 @@
 
        case SYS_ptrace :
                if ((long)*ap >= 0 &&
-                   *ap < (register_t)(sizeof(ptrace_ops) / sizeof(ptrace_ops[0])))
+                   *ap < (register_t)__arraycount(ptrace_ops))
                        xwprintf("(%s", ptrace_ops[*ap]);
+#ifdef PT_MACHDEP_STRINGS
+               else if (*ap >= PT_FIRSTMACH &&
+                   *ap - PT_FIRSTMACH < (register_t)
+                   __arraycount(ptrace_machdep_ops))
+                       xwprintf("(%s", ptrace_machdep_ops[*ap - PT_FIRSTMACH]);
+#endif
                else
                        xwprintf("(%ld", (long)*ap);
                ap++;