File: imagfile.h

package info (click to toggle)
rscheme 0.7.2-1.1
  • links: PTS
  • area: main
  • in suites: slink
  • size: 10,672 kB
  • ctags: 12,430
  • sloc: lisp: 37,104; ansic: 29,763; cpp: 2,630; sh: 1,677; makefile: 568; yacc: 202; lex: 175; perl: 33
file content (103 lines) | stat: -rw-r--r-- 2,521 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
/*-----------------------------------------------------------------*-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 */