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*);