Module Name: src
Committed By: nonaka
Date: Tue Jul 23 01:54:51 UTC 2019
Modified Files:
src/usr.bin/kdump: kdump.c
Log Message:
kdump(1): Symbolic printing for MALLOC_OPTIONS="U".
To generate a diff of this commit:
cvs rdiff -u -r1.131 -r1.132 src/usr.bin/kdump/kdump.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/usr.bin/kdump/kdump.c
diff -u src/usr.bin/kdump/kdump.c:1.131 src/usr.bin/kdump/kdump.c:1.132
--- src/usr.bin/kdump/kdump.c:1.131 Mon May 6 19:20:13 2019
+++ src/usr.bin/kdump/kdump.c Tue Jul 23 01:54:51 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: kdump.c,v 1.131 2019/05/06 19:20:13 christos Exp $ */
+/* $NetBSD: kdump.c,v 1.132 2019/07/23 01:54:51 nonaka Exp $ */
/*-
* Copyright (c) 1988, 1993
@@ -39,7 +39,7 @@ __COPYRIGHT("@(#) Copyright (c) 1988, 19
#if 0
static char sccsid[] = "@(#)kdump.c 8.4 (Berkeley) 4/28/95";
#else
-__RCSID("$NetBSD: kdump.c,v 1.131 2019/05/06 19:20:13 christos Exp $");
+__RCSID("$NetBSD: kdump.c,v 1.132 2019/07/23 01:54:51 nonaka Exp $");
#endif
#endif /* not lint */
@@ -1143,6 +1143,27 @@ ktruser_control(const char *name, const
}
static void
+ktruser_malloc(const char *name, const void *buf, size_t len)
+{
+ struct ut { void *p; size_t s; void *r; } m;
+
+ if (len != sizeof(m))
+ warnx("%.*s: len %zu != %zu", KTR_USER_MAXIDLEN, name, len,
+ sizeof(m));
+ memcpy(&m, buf, len < sizeof(m) ? len : sizeof(m));
+ if (m.p == NULL && m.s == 0 && m.r == NULL)
+ printf("%.*s: malloc_init()\n", KTR_USER_MAXIDLEN, name);
+ else if (m.p != NULL && m.s != 0)
+ printf("%.*s: %p = realloc(%p, %zu)\n", KTR_USER_MAXIDLEN, name,
+ m.r, m.p, m.s);
+ else if (m.s == 0)
+ printf("%.*s: free(%p)\n", KTR_USER_MAXIDLEN, name, m.p);
+ else
+ printf("%.*s: %p = malloc(%zu)\n", KTR_USER_MAXIDLEN, name,
+ m.r, m.s);
+}
+
+static void
ktruser_misc(const char *name, const void *buf, size_t len)
{
size_t i;
@@ -1161,6 +1182,7 @@ static struct {
{ "msghdr", ktruser_msghdr },
{ "mbsoname", ktruser_soname },
{ "mbcontrol", ktruser_control },
+ { "malloc", ktruser_malloc },
{ NULL, ktruser_misc },
};
