68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
/**************************************************************************/
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/* */
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/* OCaml */
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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. */
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/* */
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/* All rights reserved. This file is distributed under the terms of */
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/* the GNU Lesser General Public License version 2.1, with the */
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/* special exception on linking described in the file LICENSE. */
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/* */
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/**************************************************************************/
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/* exec.h : format of executable bytecode files */
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#ifndef CAML_EXEC_H
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#define CAML_EXEC_H
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#ifdef CAML_INTERNALS
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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_t len; /* Length of data in bytes */
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};
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#define EXEC_MAGIC_LENGTH 12
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/* Structure of the trailer. */
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struct exec_trailer {
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uint32_t num_sections; /* Number of sections */
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char magic[EXEC_MAGIC_LENGTH]; /* 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+EXEC_MAGIC_LENGTH)
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/* Magic number for this release */
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#define EXEC_MAGIC "Caml1999X029"
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#endif /* CAML_INTERNALS */
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#endif /* CAML_EXEC_H */
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