MAKE SOMETIMES REMOVES DIRECTORIES

[unix-history] / usr / include / a.out.h

diff --git a/usr/include/a.out.h b/usr/include/a.out.h
index 75e2ba9..1008155 100644 (file)
--- a/usr/include/a.out.h
+++ b/usr/include/a.out.h
@@ -1,33 +1,91 @@
-struct exec {  /* a.out header */
-       int             a_magic;        /* magic number */
-       unsigned        a_text;         /* size of text segment */
-       unsigned        a_data;         /* size of initialized data */
-       unsigned        a_bss;          /* size of unitialized data */
-       unsigned        a_syms;         /* size of symbol table */
-       unsigned        a_entry;        /* entry point */
-       unsigned        a_unused;       /* not used */
-       unsigned        a_flag;         /* relocation info stripped */
-};
+/*-
+ * Copyright (c) 1991 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.
+ *
+ *     @(#)a.out.h     5.6 (Berkeley) 4/30/91
+ */
+
+#ifndef        _AOUT_H_
+#define        _AOUT_H_
+
+#include <sys/exec.h>
+
+#if defined(hp300) || defined(i386)
+#define        __LDPGSZ        4096
+#endif
+#if defined(tahoe) || defined(vax)
+#define        __LDPGSZ        1024
+#endif
+
+/* 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

 
 

-#define        A_MAGIC1        0407            /* normal */
-#define        A_MAGIC2        0410            /* read-only text */
-#define        A_MAGIC3        0411            /* separated I&D */
-#define        A_MAGIC4        0405            /* overlay */
+/* 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))))

 
 

-struct nlist { /* symbol table entry */
-       char            n_name[8];      /* symbol name */
-       int             n_type;         /* type flag */
-       unsigned        n_value;        /* value */
+/* 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)
+
+/* Relocation format. */
+struct relocation_info {
+       int r_address;                  /* offset in text or data segment */
+       unsigned int r_symbolnum : 24,  /* ordinal number of add symbol */
+                        r_pcrel :  1,  /* 1 if value should be pc-relative */
+                       r_length :  2,  /* log base 2 of value's width */
+                       r_extern :  1,  /* 1 if need to add symbol to value */
+                                :  4;  /* reserved */

 };
 
 };
 

-               /* values for type flag */
-#define        N_UNDF  0       /* undefined */
-#define        N_ABS   01      /* absolute */
-#define        N_TEXT  02      /* text symbol */
-#define        N_DATA  03      /* data symbol */
-#define        N_BSS   04      /* bss symbol */
-#define        N_TYPE  037
-#define        N_REG   024     /* register name */
-#define        N_FN    037     /* file name symbol */
-#define        N_EXT   040     /* external bit, or'ed in */
-#define        FORMAT  "%06o"  /* to print a value */
+#define _AOUT_INCLUDE_
+#include <nlist.h>
+
+#endif /* !_AOUT_H_ */