62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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/* exec.h : format of executable bytecode files */
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#ifndef _exec_
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#define _exec_
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/* Executable bytecode files are composed of a number of sections,
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identified by 4-character names. A table of contents at the
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end of the file lists the section names along with their sizes,
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in the order in which they appear in the file:
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offset 0 ---> initial junk
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data for section 1
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data for section 2
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...
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data for section N
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table of contents:
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descriptor for section 1
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...
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descriptor for section N
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trailer
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end of file --->
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*/
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/* Structure of t.o.c. entries
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Numerical quantities are 32-bit unsigned integers, big endian */
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struct section_descriptor {
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char name[4]; /* Section name */
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uint32 len; /* Length of data in bytes */
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};
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/* Structure of the trailer. */
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struct exec_trailer {
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uint32 num_sections; /* Number of sections */
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char magic[12]; /* The magic number */
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struct section_descriptor * section; /* Not part of file */
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};
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#define TRAILER_SIZE (4+12)
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/* Magic number for this release */
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#define EXEC_MAGIC "Caml1999X006"
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#endif
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