mach.h - scc - simple c99 compiler
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mach.h (2545B)
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1 typedef struct segment Segment;
2 typedef struct section Section;
3 typedef struct symbol Symbol;
4 typedef struct objops Objops;
5 typedef struct obj Obj;
6 typedef struct map Map;
7 typedef struct mapsec Mapsec;
8
9 /**
10 * enum sectype - Section property flags
11 * @SREAD: The segment has read rights
12 * @SWRITE: The segment has write rights
13 * @SEXEC: The segment has execution rights
14 * @SLOAD: Segment data is loaded from disk to memory
15 * @SALLOC: Segment is allocated in memory
16 * @SRELOC: Segment has to be relocated
17 * @SABS: Segment is loaded in a specific address
18 */
19 enum sectype {
20 SREAD = 1 << 0,
21 SWRITE = 1 << 1,
22 SEXEC = 1 << 2,
23 SLOAD = 1 << 3,
24 SALLOC = 1 << 4,
25 SRELOC = 1 << 5,
26 SABS = 1 << 6,
27 };
28
29 enum symtype {
30 SYMNOTYPE,
31 SYMOBJECT,
32 SYMFUNC,
33 SYMSECTION,
34 SYMFILE,
35 SYMCOMMON,
36 };
37
38 struct obj {
39 char *index;
40 Objops *ops;
41 int type;
42 long pos;
43 void *data;
44 Obj *next;
45 };
46
47 struct segment {
48 char *name;
49 unsigned long long base;
50 unsigned long long size;
51 unsigned flags;
52 int index;
53 int type;
54 int align;
55 int nsec;
56 Section **sections;
57 };
58
59 struct section {
60 char *name;
61 unsigned long long base;
62 unsigned long long size;
63
64 unsigned flags;
65 int index;
66 int align;
67 int fill;
68 char type;
69 };
70
71 /**
72 * @stype: Used internally by libmach
73 * @dtype: Coff debug type
74 * @flags: Used only by the assembler
75 */
76 struct symbol {
77 char *name;
78 unsigned long long size;
79 unsigned long long value;
80 int index;
81 int section;
82 char type;
83 int stype;
84 int dtype;
85 unsigned flags;
86 };
87
88 #ifdef stdin
89 extern int archive(FILE *);
90 extern long armember(FILE *, char *);
91
92 extern int objprobe(FILE *, char **);
93
94 extern int readobj(Obj *, FILE *);
95 extern int writeobj(Obj *, Map *, FILE *);
96
97 extern Map *loadmap(Obj *, FILE *);
98
99 extern int setmap(Map *,
100 char *,
101 FILE *,
102 unsigned long long,
103 unsigned long long,
104 long);
105
106 extern int setindex(int, long, char **, long *, FILE *);
107 extern int getindex(int, long *, char ***, long **, FILE *);
108
109 #endif
110
111 extern Map *newmap(Map *, int);
112 extern Map *remap(Map *, int);
113
114 extern int objtype(char *);
115 extern Obj *newobj(int);
116 extern void delobj(Obj *);
117
118 extern int strip(Obj *);
119 extern int pc2line(Obj *, unsigned long long, char *, int *);
120 extern int rebase(Obj *, int, unsigned long long);
121
122 extern int findsec(Map *, char *);
123
124 extern Symbol *getsym(Obj *, int *, Symbol *);
125 extern Symbol *setsym(Obj *, int *, Symbol *);
126 extern Section *getsec(Obj *, int *, Section *);
127 extern Section *setsec(Obj *, int *, Section *);