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1 | /* |
2 | * ========== Copyright Header Begin ========================================== | |
3 | * | |
4 | * Hypervisor Software File: xref.h | |
5 | * | |
6 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
7 | * | |
8 | * - Do no alter or remove copyright notices | |
9 | * | |
10 | * - Redistribution and use of this software in source and binary forms, with | |
11 | * or without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistribution of source code must retain the above copyright notice, | |
15 | * this list of conditions and the following disclaimer. | |
16 | * | |
17 | * - Redistribution in binary form must reproduce the above copyright notice, | |
18 | * this list of conditions and the following disclaimer in the | |
19 | * documentation and/or other materials provided with the distribution. | |
20 | * | |
21 | * Neither the name of Sun Microsystems, Inc. or the names of contributors | |
22 | * may be used to endorse or promote products derived from this software | |
23 | * without specific prior written permission. | |
24 | * | |
25 | * This software is provided "AS IS," without a warranty of any kind. | |
26 | * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
27 | * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
28 | * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
29 | * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
30 | * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
31 | * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
32 | * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
33 | * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
34 | * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
35 | * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
36 | * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
37 | * | |
38 | * You acknowledge that this software is not designed, licensed or | |
39 | * intended for use in the design, construction, operation or maintenance of | |
40 | * any nuclear facility. | |
41 | * | |
42 | * ========== Copyright Header End ============================================ | |
43 | */ | |
44 | /* | |
45 | * @(#)xref.h 1.1 02/05/02 | |
46 | * Copyright 2001-2002 Sun Microsystems, Inc. All Rights Reserved | |
47 | * Use is subject to license terms. | |
48 | */ | |
49 | ||
50 | #ifndef _XREF_H_ | |
51 | #define _XREF_H_ | |
52 | ||
53 | #define MIN_REF 20 | |
54 | ||
55 | #define XREF_DEFINITION 1 | |
56 | #define XREF_FORWARD 2 | |
57 | #define XREF_HIDDEN 4 | |
58 | #define XREF_STRING 8 | |
59 | ||
60 | typedef struct REF_T { | |
61 | struct XREF_T **ptr; | |
62 | int insert; | |
63 | int size; | |
64 | } ref_t; | |
65 | ||
66 | typedef struct XREF_T { | |
67 | char *name; | |
68 | int linenum; | |
69 | int flags; | |
70 | int id; | |
71 | ref_t calls; | |
72 | ref_t called_by; | |
73 | struct XREF_FILE_T *file; /* where it is defined */ | |
74 | struct XREF_T *next_def; /* ptr to next entry in symbol hash */ | |
75 | } xref_t; | |
76 | ||
77 | /* | |
78 | * the prev struct is for pushing and poping file references | |
79 | * not a doubly linked list | |
80 | */ | |
81 | typedef struct XREF_FILE_T { | |
82 | char *name; | |
83 | int id; | |
84 | struct XREF_FILE_T *next; | |
85 | struct XREF_FILE_T *prev_file; | |
86 | xref_t **defs; | |
87 | } xref_file_t; | |
88 | ||
89 | /* used by the meta compiler, so that forward defs are referenced properly */ | |
90 | #define XREF_STATE_FWD_DEF 1 | |
91 | ||
92 | typedef struct XREF_STATE_T { | |
93 | xref_file_t *sources; /* sources unordered */ | |
94 | xref_file_t **file_cache; /* source files by id */ | |
95 | xref_file_t *current_file; | |
96 | xref_t *all_refs[128]; /* 128 entry root hash table */ | |
97 | xref_t **xref_cache; /* definitions by id */ | |
98 | xref_t *current_def; | |
99 | int flags; | |
100 | } xref_state_t; | |
101 | ||
102 | xref_t *xref_find_symbol(xref_t **where, char *name, xref_t **prev, int ign); | |
103 | xref_t *xref_create_reference(char *name, int line, xref_state_t *state); | |
104 | ||
105 | void xref_free_state(xref_state_t *state); | |
106 | void xref_save_file(char *filename, xref_state_t *state); | |
107 | void xref_add_definition(xref_t **where, xref_t *new); | |
108 | void xref_add_reference_to_buffer(ref_t *where, xref_t *fn); | |
109 | ||
110 | xref_state_t *xref_load_file(char *filename, int verbose); | |
111 | xref_state_t *xref_create_state(void); | |
112 | ||
113 | xref_file_t *xref_create_file_reference(char *name); | |
114 | char *xref_extract_pathname(char *srcpath); | |
115 | ||
116 | #endif |