From a5675467db63223c48c077b5d11728af70c0d848 Mon Sep 17 00:00:00 2001
From: rpaulo <rpaulo@FreeBSD.org>
Date: Thu, 16 Sep 2010 11:33:31 +0000
Subject: [PATCH] When generating functions to print the arguments of system
 calls with bitwise parameters (e.g. mmap), print the syscall parameter value
 first. The resulting output looks like the %b specifier of printf(9).

Before:
mmap(0,0x8000,PROT_READ|PROT_WRITE,...
After:
mmap(0,0x8000,0x3<PROT_READ|PROT_WRITE>,...

Submitted by:	Norberto Lopes <nlopes.ml at gmail.com>
Idea from:	freebsd-arch/2006-April/005116.html
---
 usr.bin/kdump/mksubr | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/usr.bin/kdump/mksubr b/usr.bin/kdump/mksubr
index 797c32c82cd..043d71205ea 100644
--- a/usr.bin/kdump/mksubr
+++ b/usr.bin/kdump/mksubr
@@ -49,6 +49,7 @@ void
 $name (int arg)
 {
 	int	or = 0;
+        printf("%#x<", arg);
 _EOF_
 	egrep "^#[[:space:]]*define[[:space:]]+"${grep}"[[:space:]]*" \
 		$include_dir/$file | \
@@ -58,6 +59,7 @@ _EOF_
 		++i; \
 		printf "\tif(!((arg>0)^((%s)>0)))\n\t\tif_print_or(arg, %s, or);\n", $i, $i }'
 cat <<_EOF_
+        printf(">");
 	if (or == 0)
 		(void)printf("<invalid>%ld", (long)arg);
 }
@@ -432,6 +434,8 @@ sendrecvflagsname (int flags)
 		(void)printf("0");
 		return;
 	}
+
+        printf("%#x<", flags);
 _EOF_
 egrep "^#[[:space:]]*define[[:space:]]+MSG_[A-Z]+[[:space:]]+0x[0-9]+[[:space:]]*" $include_dir/sys/socket.h | \
 	awk '{ for (i = 1; i <= NF; i++) \
@@ -440,6 +444,7 @@ egrep "^#[[:space:]]*define[[:space:]]+MSG_[A-Z]+[[:space:]]+0x[0-9]+[[:space:]]
 		++i; \
 		printf "\tif(!((flags>0)^((%s)>0)))\n\t\tif_print_or(flags, %s, or);\n", $i, $i }'
 cat <<_EOF_
+        printf(">");
 }
 
 _EOF_
-- 
2.45.0