[src/trunk]: src/sys/kern make the diagnostic messages more informative.

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

details:   https://anonhg.NetBSD.org/src/rev/f7abe7860967
branches:  trunk
changeset: 771543:f7abe7860967
user:      christos <christos%NetBSD.org@localhost>
date:      Thu Nov 24 17:09:14 2011 +0000

description:
make the diagnostic messages more informative.

diffstat:

 sys/kern/kern_exec.c |  21 ++++++++++++++-------
 1 files changed, 14 insertions(+), 7 deletions(-)

diffs (56 lines):

diff -r d38365870780 -r f7abe7860967 sys/kern/kern_exec.c
--- a/sys/kern/kern_exec.c      Thu Nov 24 17:08:07 2011 +0000
+++ b/sys/kern/kern_exec.c      Thu Nov 24 17:09:14 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_exec.c,v 1.330 2011/11/19 22:51:25 tls Exp $      */
+/*     $NetBSD: kern_exec.c,v 1.331 2011/11/24 17:09:14 christos Exp $ */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -59,7 +59,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.330 2011/11/19 22:51:25 tls Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.331 2011/11/24 17:09:14 christos Exp $");
 
 #include "opt_exec.h"
 #include "opt_ktrace.h"
@@ -376,8 +376,9 @@
                        if (epp->ep_entry > epp->ep_vm_maxaddr) {
 #ifdef DIAGNOSTIC
                                printf("%s: rejecting %p due to "
-                                       "too high entry address\n",
-                                        __func__, (void *) epp->ep_entry);
+                                   "too high entry address (> %p)\n",
+                                        __func__, (void *)epp->ep_entry,
+                                        (void *)epp->ep_vm_maxaddr);
 #endif
                                error = ENOEXEC;
                                break;
@@ -386,8 +387,9 @@
                        if (epp->ep_entry < epp->ep_vm_minaddr) {
 #ifdef DIAGNOSTIC
                                printf("%s: rejecting %p due to "
-                                       "too low entry address\n",
-                                        __func__, (void *) epp->ep_entry);
+                                   "too low entry address (< %p)\n",
+                                    __func__, (void *)epp->ep_entry,
+                                    (void *)epp->ep_vm_minaddr);
 #endif
                                error = ENOEXEC;
                                break;
@@ -399,7 +401,12 @@
                                                    [RLIMIT_DATA].rlim_cur)) {
 #ifdef DIAGNOSTIC
                                printf("%s: rejecting due to "
-                                       "limits\n", __func__);
+                                   "limits (t=%llu > %llu || d=%llu > %llu)\n",
+                                   __func__,
+                                   (unsigned long long)epp->ep_tsize,
+                                   (unsigned long long)MAXTSIZ,
+                                   (unsigned long long)epp->ep_dsize,
+                                   (unsigned long long)l->l_proc->p_rlimit);
 #endif
                                error = ENOMEM;
                                break;