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/*-----------------------------------------------------------------*-C-*---
* File: handc/heapi/imagfile.h
*
* Copyright (C)1997 Donovan Kolbly <d.kolbly@rscheme.org>
* as part of the RScheme project, licensed for free use.
* See <http://www.rscheme.org/> for the latest information.
*
* File version: 1.6
* File mod date: 1997.11.29 23:10:44
* System build: v0.7.2, 97.12.21
*
*------------------------------------------------------------------------*/
#ifndef _H_IMAGFILE
#define _H_IMAGFILE
#include <rscheme/obj.h>
/*
The heap image file looks like:
+-----------------+
| blank space |
+-----------------+ FILE_HDR_OFFSET
| file |
| header |
+-----------------+ FILE_DATA_OFFSET
| |
: object :
: descriptions :
| |
| |
+-----------------+ load2_offset[LOAD2_CLASS_ONLY]
| |
: objects that :
: only need their :
|classes swizzled |
+-----------------+ load2_offset[LOAD2_GVEC]
| |
: objects that :
: need their :
| slots swizzled |
+-----------------+ load2_offset[LOAD2_TEMPLATE]
| |
: templates :
+-----------------+ load2_offset[LOAD2_PARTCONT]
| |
: part.conts :
+-----------------+
*/
#define FILE_HDR_OFFSET (128)
#define FILE_DATA_OFFSET (FILE_HDR_OFFSET + sizeof(struct file_header))
enum load1_mode {
LOAD1_REF,
LOAD1_SYMBOL,
LOAD1_PART,
LOAD1_ARRAY8,
LOAD1_ARRAY16,
LOAD1_ARRAY32,
LOAD1_ARRAY64
};
enum load2_mode {
LOAD2_NOP,
LOAD2_CLASS_ONLY,
LOAD2_GVEC,
LOAD2_TEMPLATE,
LOAD2_PARTCONT,
LOAD2_MIXVEC_2
};
#define NUM_LOAD2_MODES (10)
#define IMAGE_MAGIC_NUMBER (0x455A646B) /* EZdk */
#define IMAGE_VERSION_NUMBER (2)
#define IMAGE_VERSION_06 (3)
#define IMAGE_VERSION_06_BOOT (4)
struct file_header {
UINT_32 magic;
/* IMAGE_MAGIC_NUMBER */
UINT_32 version;
/* IMAGE_VERSION_NUMBER */
long load2_offset[NUM_LOAD2_MODES];
/* offset to the list of objects
to be swizzled in the given mode */
long load2_count[NUM_LOAD2_MODES];
/* number of objects
to be swizzled in the given mode */
obj entry_object;
/* entry point */
UINT_32 num_objects;
/* number of object names in file */
long data_area_length;
/* bytes taken up by data section */
};
#endif /* _H_IMAGFILE */
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