scc

simple c99 compiler
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mach.h (2498B)

      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 Section *getsec(Obj *, int *, Section *);
    126 extern Section *setsec(Obj *, int *, Section *);