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Date:      Thu, 28 Jun 2012 07:33:43 +0000 (UTC)
From:      Warner Losh <imp@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r237694 - in head/sys: kern sys
Message-ID:  <201206280733.q5S7XhOK059928@svn.freebsd.org>
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Author: imp
Date: Thu Jun 28 07:33:43 2012
New Revision: 237694
URL: http://svn.freebsd.org/changeset/base/237694

Log:
  Remove an old hack I noticed years ago, but never committed.

Modified:
  head/sys/kern/imgact_aout.c
  head/sys/kern/imgact_gzip.c
  head/sys/sys/imgact_aout.h

Modified: head/sys/kern/imgact_aout.c
==============================================================================
--- head/sys/kern/imgact_aout.c	Thu Jun 28 07:28:39 2012	(r237693)
+++ head/sys/kern/imgact_aout.c	Thu Jun 28 07:33:43 2012	(r237694)
@@ -174,9 +174,9 @@ exec_aout_imgact(struct image_params *im
 	 * 0x64 for Linux, 0x86 for *BSD, 0x00 for BSDI.
 	 * NetBSD is in network byte order.. ugh.
 	 */
-	if (((a_out->a_magic >> 16) & 0xff) != 0x86 &&
-	    ((a_out->a_magic >> 16) & 0xff) != 0 &&
-	    ((((int)ntohl(a_out->a_magic)) >> 16) & 0xff) != 0x86)
+	if (((a_out->a_midmag >> 16) & 0xff) != 0x86 &&
+	    ((a_out->a_midmag >> 16) & 0xff) != 0 &&
+	    ((((int)ntohl(a_out->a_midmag)) >> 16) & 0xff) != 0x86)
                 return -1;
 
 	/*
@@ -184,7 +184,7 @@ exec_aout_imgact(struct image_params *im
 	 *	We do two cases: host byte order and network byte order
 	 *	(for NetBSD compatibility)
 	 */
-	switch ((int)(a_out->a_magic & 0xffff)) {
+	switch ((int)(a_out->a_midmag & 0xffff)) {
 	case ZMAGIC:
 		virtual_offset = 0;
 		if (a_out->a_text) {
@@ -203,7 +203,7 @@ exec_aout_imgact(struct image_params *im
 		break;
 	default:
 		/* NetBSD compatibility */
-		switch ((int)(ntohl(a_out->a_magic) & 0xffff)) {
+		switch ((int)(ntohl(a_out->a_midmag) & 0xffff)) {
 		case ZMAGIC:
 		case QMAGIC:
 			virtual_offset = PAGE_SIZE;

Modified: head/sys/kern/imgact_gzip.c
==============================================================================
--- head/sys/kern/imgact_gzip.c	Thu Jun 28 07:28:39 2012	(r237693)
+++ head/sys/kern/imgact_gzip.c	Thu Jun 28 07:33:43 2012	(r237694)
@@ -161,7 +161,7 @@ do_aout_hdr(struct imgact_gzip * gz)
 	 * Set file/virtual offset based on a.out variant. We do two cases:
 	 * host byte order and network byte order (for NetBSD compatibility)
 	 */
-	switch ((int) (gz->a_out.a_magic & 0xffff)) {
+	switch ((int) (gz->a_out.a_midmag & 0xffff)) {
 	case ZMAGIC:
 		gz->virtual_offset = 0;
 		if (gz->a_out.a_text) {
@@ -177,7 +177,7 @@ do_aout_hdr(struct imgact_gzip * gz)
 		break;
 	default:
 		/* NetBSD compatibility */
-		switch ((int) (ntohl(gz->a_out.a_magic) & 0xffff)) {
+		switch ((int) (ntohl(gz->a_out.a_midmag) & 0xffff)) {
 		case ZMAGIC:
 		case QMAGIC:
 			gz->virtual_offset = PAGE_SIZE;

Modified: head/sys/sys/imgact_aout.h
==============================================================================
--- head/sys/sys/imgact_aout.h	Thu Jun 28 07:28:39 2012	(r237693)
+++ head/sys/sys/imgact_aout.h	Thu Jun 28 07:33:43 2012	(r237694)
@@ -119,7 +119,6 @@ struct exec {
      uint32_t	a_trsize;	/* text relocation size */
      uint32_t	a_drsize;	/* data relocation size */
 };
-#define a_magic a_midmag /* XXX Hack to work with imgact_{aout,gzip}.c */
 
 /* a_magic */
 #define	OMAGIC		0407	/* old impure format */

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