BSD 4.4 Lite Kernel Sources

1 files changed, 83 insertions, 0 deletions

diff --git a/sys/amd64/include/exec.h b/sys/amd64/include/exec.h
new file mode 100644
index 0000000..eb587a4
--- /dev/null
+++ b/sys/amd64/include/exec.h
@@ -0,0 +1,83 @@
+/*-
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)exec.h	8.1 (Berkeley) 6/11/93
+ */
+
+/* Size of a page in an object file. */
+#define	__LDPGSZ	4096
+
+/* Valid magic number check. */
+#define	N_BADMAG(ex) \
+	((ex).a_magic != NMAGIC && (ex).a_magic != OMAGIC && \
+	    (ex).a_magic != ZMAGIC)
+
+/* Address of the bottom of the text segment. */
+#define N_TXTADDR(X)	0
+
+/* Address of the bottom of the data segment. */
+#define N_DATADDR(ex) \
+	(N_TXTADDR(ex) + ((ex).a_magic == OMAGIC ? (ex).a_text \
+	: __LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
+
+/* Text segment offset. */
+#define	N_TXTOFF(ex) \
+	((ex).a_magic == ZMAGIC ? __LDPGSZ : sizeof(struct exec))
+
+/* Data segment offset. */
+#define	N_DATOFF(ex) \
+	(N_TXTOFF(ex) + ((ex).a_magic != ZMAGIC ? (ex).a_text : \
+	__LDPGSZ + ((ex).a_text - 1 & ~(__LDPGSZ - 1))))
+
+/* Symbol table offset. */
+#define N_SYMOFF(ex) \
+	(N_TXTOFF(ex) + (ex).a_text + (ex).a_data + (ex).a_trsize + \
+	    (ex).a_drsize)
+
+/* String table offset. */
+#define	N_STROFF(ex) 	(N_SYMOFF(ex) + (ex).a_syms)
+
+/* Description of the object file header (a.out format). */
+struct exec {
+#define	OMAGIC	0407		/* old impure format */
+#define	NMAGIC	0410		/* read-only text */
+#define	ZMAGIC	0413		/* demand load format */
+	long	a_magic;	/* magic number */
+
+	u_long	a_text;		/* text segment size */
+	u_long	a_data;		/* initialized data size */
+	u_long	a_bss;		/* uninitialized data size */
+	u_long	a_syms;		/* symbol table size */
+	u_long	a_entry;	/* entry point */
+	u_long	a_trsize;	/* text relocation size */
+	u_long	a_drsize;	/* data relocation size */
+};