plan9port

fork of plan9port with libvec, libstr and libsdb
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macho.h (2427B)

      1 typedef struct Macho Macho;
      2 typedef struct MachoCmd MachoCmd;
      3 typedef struct MachoSeg MachoSeg;
      4 typedef struct MachoSect MachoSect;
      5 typedef struct MachoRel MachoRel;
      6 typedef struct MachoSymtab MachoSymtab;
      7 typedef struct MachoSym MachoSym;
      8 typedef struct MachoDysymtab MachoDysymtab;
      9 
     10 enum
     11 {
     12 	MachoCpuVax = 1,
     13 	MachoCpu68000 = 6,
     14 	MachoCpu386 = 7,
     15 	MachoCpuAmd64 = 0x1000007,
     16 	MachoCpuMips = 8,
     17 	MachoCpu98000 = 10,
     18 	MachoCpuHppa = 11,
     19 	MachoCpuArm = 12,
     20 	MachoCpu88000 = 13,
     21 	MachoCpuSparc = 14,
     22 	MachoCpu860 = 15,
     23 	MachoCpuAlpha = 16,
     24 	MachoCpuPower = 18,
     25 
     26 	MachoCmdSegment = 1,
     27 	MachoCmdSymtab = 2,
     28 	MachoCmdSymseg = 3,
     29 	MachoCmdThread = 4,
     30 	MachoCmdDysymtab = 11,
     31 	MachoCmdSegment64 = 25,
     32 
     33 	MachoFileObject = 1,
     34 	MachoFileExecutable = 2,
     35 	MachoFileFvmlib = 3,
     36 	MachoFileCore = 4,
     37 	MachoFilePreload = 5
     38 };
     39 
     40 struct MachoSeg
     41 {
     42 	char name[16+1];
     43 	uint64 vmaddr;
     44 	uint64 vmsize;
     45 	uint32 fileoff;
     46 	uint32 filesz;
     47 	uint32 maxprot;
     48 	uint32 initprot;
     49 	uint32 nsect;
     50 	uint32 flags;
     51 	MachoSect *sect;
     52 };
     53 
     54 struct MachoSect
     55 {
     56 	char	name[16+1];
     57 	char	segname[16+1];
     58 	uint64 addr;
     59 	uint64 size;
     60 	uint32 offset;
     61 	uint32 align;
     62 	uint32 reloff;
     63 	uint32 nreloc;
     64 	uint32 flags;
     65 
     66 	MachoRel *rel;
     67 };
     68 
     69 struct MachoRel
     70 {
     71 	uint32 addr;
     72 	uint32 symnum;
     73 	uint8 pcrel;
     74 	uint8 length;
     75 	uint8 extrn;
     76 	uint8 type;
     77 };
     78 
     79 struct MachoSymtab
     80 {
     81 	uint32 symoff;
     82 	uint32 nsym;
     83 	uint32 stroff;
     84 	uint32 strsize;
     85 
     86 	char *str;
     87 	MachoSym *sym;
     88 };
     89 
     90 struct MachoSym
     91 {
     92 	char *name;
     93 	uint8 type;
     94 	uint8 sectnum;
     95 	uint16 desc;
     96 	char kind;
     97 	uint64 value;
     98 };
     99 
    100 struct MachoDysymtab
    101 {
    102 	uint32 ilocalsym;
    103 	uint32 nlocalsym;
    104 	uint32 iextdefsym;
    105 	uint32 nextdefsym;
    106 	uint32 iundefsym;
    107 	uint32 nundefsym;
    108 	uint32 tocoff;
    109 	uint32 ntoc;
    110 	uint32 modtaboff;
    111 	uint32 nmodtab;
    112 	uint32 extrefsymoff;
    113 	uint32 nextrefsyms;
    114 	uint32 indirectsymoff;
    115 	uint32 nindirectsyms;
    116 	uint32 extreloff;
    117 	uint32 nextrel;
    118 	uint32 locreloff;
    119 	uint32 nlocrel;
    120 };
    121 
    122 struct MachoCmd
    123 {
    124 	int type;
    125 	uint32 off;
    126 	uint32 size;
    127 	MachoSeg seg;
    128 	MachoSymtab sym;
    129 	MachoDysymtab dsym;
    130 };
    131 
    132 struct Macho
    133 {
    134 	int fd;
    135 	int is64;
    136 	uint cputype;
    137 	uint subcputype;
    138 	uint32 filetype;
    139 	uint32 flags;
    140 	MachoCmd *cmd;
    141 	uint ncmd;
    142 	uint16 (*e2)(uchar*);
    143 	uint32 (*e4)(uchar*);
    144 	uint64 (*e8)(uchar*);
    145 	int (*coreregs)(Macho*, uchar**);
    146 };
    147 
    148 Macho *machoopen(char*);
    149 Macho *machoinit(int);
    150 void machoclose(Macho*);
    151 int coreregsmachopower(Macho*, uchar**);
    152 int macholoadrel(Macho*, MachoSect*);
    153 int macholoadsym(Macho*, MachoSymtab*);