[src/trunk]: src/usr.bin/kdump Symbolic printing for mmap

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

details:   https://anonhg.NetBSD.org/src/rev/4331a07b7e9f
branches:  trunk
changeset: 345548:4331a07b7e9f
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Jun 01 00:47:16 2016 +0000

description:
Symbolic printing for mmap

diffstat:

 usr.bin/kdump/kdump.c |  43 ++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 40 insertions(+), 3 deletions(-)

diffs (71 lines):

diff -r ea16f8c4ae24 -r 4331a07b7e9f usr.bin/kdump/kdump.c
--- a/usr.bin/kdump/kdump.c     Wed Jun 01 00:46:44 2016 +0000
+++ b/usr.bin/kdump/kdump.c     Wed Jun 01 00:47:16 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kdump.c,v 1.123 2016/03/27 21:51:20 alnsn Exp $        */
+/*     $NetBSD: kdump.c,v 1.124 2016/06/01 00:47:16 christos Exp $     */
 
 /*-
  * Copyright (c) 1988, 1993
@@ -39,7 +39,7 @@
 #if 0
 static char sccsid[] = "@(#)kdump.c    8.4 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: kdump.c,v 1.123 2016/03/27 21:51:20 alnsn Exp $");
+__RCSID("$NetBSD: kdump.c,v 1.124 2016/06/01 00:47:16 christos Exp $");
 #endif
 #endif /* not lint */
 
@@ -48,6 +48,7 @@
 #define _KMEMUSER        /* To get the pseudo errors defined */
 #include <sys/errno.h>
 #undef _KMEMUSER
+#include <sys/mman.h>
 #include <sys/time.h>
 #include <sys/uio.h>
 #include <sys/ktrace.h>
@@ -598,7 +599,43 @@
                        ap += 2;
                        argcount -= 2;
                        c = ',';
-
+               } else if (strcmp(sys_name, "mmap") == 0 && argcount >= 6) {
+                       char buf[1024];
+                       putchar('(');
+                       output_long((long)ap[0], !(decimal || small(ap[0])));
+                       c = ',';
+                       putchar(c);
+                       output_long((long)ap[1], !(decimal || small(ap[1])));
+                       putchar(c);
+                       if (ap[2] == PROT_NONE) {
+                           fputs("PROT_NONE", stdout);
+                       } else {
+                           const char *s = "";
+                           c = 0;
+                           if (ap[2] & PROT_READ) {
+                               fputs("PROT_READ", stdout);
+                               s = "|";
+                               ap[2] &= ~PROT_READ;
+                           }
+                           if (ap[2] & PROT_WRITE) {
+                               printf("%sPROT_WRITE", s);
+                               ap[2] &= ~PROT_WRITE;
+                               s = "|";
+                           }
+                           if (ap[2] & PROT_EXEC) {
+                               printf("%sPROT_EXEC", s);
+                               ap[2] &= ~PROT_EXEC;
+                               s = "|";
+                           }
+                           if (ap[2]) {
+                               printf("%s%#lx", s, (long)ap[2]);
+                           }
+                       }
+                       snprintb(buf, sizeof(buf), MAP_FMT, ap[3]);
+                       printf(",%s", buf);
+                       ap += 4;
+                       argcount -= 4;
+                       c = ',';
                } else if (strcmp(sys_name, "ptrace") == 0 && argcount >= 1) {
                        putchar('(');
                        if (strcmp(emul->name, "linux") == 0 ||