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1 | #ifndef __A_OUT_GNU_H__ |
---|---|
2 | #define __A_OUT_GNU_H__ |
3 | |
4 | #include <bits/a.out.h> |
5 | |
6 | #define __GNU_EXEC_MACROS__ |
7 | |
8 | struct exec |
9 | { |
10 | unsigned char a_dynamic:1; /* A __DYNAMIC is in this image. */ |
11 | unsigned char a_toolversion:7; |
12 | unsigned char a_machtype; |
13 | unsigned short a_info; |
14 | unsigned int a_text; /* Length of text, in bytes. */ |
15 | unsigned int a_data; /* Length of data, in bytes. */ |
16 | unsigned int a_bss; /* Length of bss, in bytes. */ |
17 | unsigned int a_syms; /* Length of symbol table, in bytes. */ |
18 | unsigned int a_entry; /* Where program begins. */ |
19 | unsigned int a_trsize; |
20 | unsigned int a_drsize; |
21 | }; |
22 | |
23 | enum machine_type |
24 | { |
25 | M_OLDSUN2 = 0, |
26 | M_68010 = 1, |
27 | M_68020 = 2, |
28 | M_SPARC = 3, |
29 | M_386 = 100, |
30 | M_MIPS1 = 151, |
31 | M_MIPS2 = 152 |
32 | }; |
33 | |
34 | #define N_MAGIC(exec) ((exec).a_info & 0xffff) |
35 | #define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff)) |
36 | #define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff) |
37 | #define N_SET_INFO(exec, magic, type, flags) \ |
38 | ((exec).a_info = ((magic) & 0xffff) \ |
39 | | (((int)(type) & 0xff) << 16) \ |
40 | | (((flags) & 0xff) << 24)) |
41 | #define N_SET_MAGIC(exec, magic) \ |
42 | ((exec).a_info = ((exec).a_info & 0xffff0000) | ((magic) & 0xffff)) |
43 | #define N_SET_MACHTYPE(exec, machtype) \ |
44 | ((exec).a_info = \ |
45 | ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16)) |
46 | #define N_SET_FLAGS(exec, flags) \ |
47 | ((exec).a_info = \ |
48 | ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) |
49 | |
50 | /* Code indicating object file or impure executable. */ |
51 | #define OMAGIC 0407 |
52 | /* Code indicating pure executable. */ |
53 | #define NMAGIC 0410 |
54 | /* Code indicating demand-paged executable. */ |
55 | #define ZMAGIC 0413 |
56 | /* This indicates a demand-paged executable with the header in the text. |
57 | The first page is unmapped to help trap NULL pointer references. */ |
58 | #define QMAGIC 0314 |
59 | /* Code indicating core file. */ |
60 | #define CMAGIC 0421 |
61 | |
62 | #define N_TRSIZE(a) ((a).a_trsize) |
63 | #define N_DRSIZE(a) ((a).a_drsize) |
64 | #define N_SYMSIZE(a) ((a).a_syms) |
65 | #define N_BADMAG(x) \ |
66 | (N_MAGIC(x) != OMAGIC && N_MAGIC(x) != NMAGIC \ |
67 | && N_MAGIC(x) != ZMAGIC && N_MAGIC(x) != QMAGIC) |
68 | #define _N_HDROFF(x) (1024 - sizeof (struct exec)) |
69 | #define N_TXTOFF(x) \ |
70 | (N_MAGIC(x) == ZMAGIC ? 0 : sizeof (struct exec)) |
71 | #define N_DATOFF(x) (N_TXTOFF(x) + (x).a_text) |
72 | #define N_TRELOFF(x) (N_DATOFF(x) + (x).a_data) |
73 | #define N_DRELOFF(x) (N_TRELOFF(x) + N_TRSIZE(x)) |
74 | #define N_SYMOFF(x) \ |
75 | (N_TXTOFF(x) + (x).a_text + (x).a_data + (x).a_trsize + (x).a_drsize) |
76 | #define N_STROFF(x) (N_SYMOFF(x) + N_SYMSIZE(x)) |
77 | |
78 | #define SPARC_PGSIZE 0x2000 |
79 | |
80 | /* Address of text segment in memory after it is loaded. */ |
81 | #define N_TXTADDR(x) \ |
82 | (unsigned long)(((N_MAGIC(x) == ZMAGIC) && ((x).a_entry < SPARC_PGSIZE)) \ |
83 | ? 0 : SPARC_PGSIZE) |
84 | |
85 | /* Address of data segment in memory after it is loaded. */ |
86 | #define SEGMENT_SIZE SPARC_PGSIZE |
87 | |
88 | #define _N_SEGMENT_ROUND(x) (((x) + SEGMENT_SIZE - 1) & ~(SEGMENT_SIZE - 1)) |
89 | #define _N_TXTENDADDR(x) (N_TXTADDR(x)+(x).a_text) |
90 | |
91 | #define N_DATADDR(x) \ |
92 | (N_MAGIC(x)==OMAGIC \ |
93 | ? (N_TXTADDR(x) + (x).a_text) \ |
94 | : (unsigned long)(_N_SEGMENT_ROUND (_N_TXTENDADDR(x)))) |
95 | #define N_BSSADDR(x) (N_DATADDR(x) + (x).a_data) |
96 | |
97 | #if !defined (N_NLIST_DECLARED) |
98 | struct nlist |
99 | { |
100 | union |
101 | { |
102 | char *n_name; |
103 | struct nlist *n_next; |
104 | long n_strx; |
105 | } n_un; |
106 | unsigned char n_type; |
107 | char n_other; |
108 | short n_desc; |
109 | unsigned long n_value; |
110 | }; |
111 | #endif /* no N_NLIST_DECLARED. */ |
112 | |
113 | #define N_UNDF 0 |
114 | #define N_ABS 2 |
115 | #define N_TEXT 4 |
116 | #define N_DATA 6 |
117 | #define N_BSS 8 |
118 | #define N_FN 15 |
119 | #define N_EXT 1 |
120 | #define N_TYPE 036 |
121 | #define N_STAB 0340 |
122 | #define N_INDR 0xa |
123 | #define N_SETA 0x14 /* Absolute set element symbol. */ |
124 | #define N_SETT 0x16 /* Text set element symbol. */ |
125 | #define N_SETD 0x18 /* Data set element symbol. */ |
126 | #define N_SETB 0x1A /* Bss set element symbol. */ |
127 | #define N_SETV 0x1C /* Pointer to set vector in data area. */ |
128 | |
129 | #if !defined (N_RELOCATION_INFO_DECLARED) |
130 | enum reloc_type |
131 | { |
132 | RELOC_8, |
133 | RELOC_16, |
134 | RELOC_32, |
135 | RELOC_DISP8, |
136 | RELOC_DISP16, |
137 | RELOC_DISP32, |
138 | RELOC_WDISP30, |
139 | RELOC_WDISP22, |
140 | RELOC_HI22, |
141 | RELOC_22, |
142 | RELOC_13, |
143 | RELOC_LO10, |
144 | RELOC_SFA_BASE, |
145 | RELOC_SFA_OFF13, |
146 | RELOC_BASE10, |
147 | RELOC_BASE13, |
148 | RELOC_BASE22, |
149 | RELOC_PC10, |
150 | RELOC_PC22, |
151 | RELOC_JMP_TBL, |
152 | RELOC_SEGOFF16, |
153 | RELOC_GLOB_DAT, |
154 | RELOC_JMP_SLOT, |
155 | RELOC_RELATIVE |
156 | }; |
157 | |
158 | /* This structure describes a single relocation to be performed. |
159 | The text-relocation section of the file is a vector of these structures, |
160 | all of which apply to the text section. |
161 | Likewise, the data-relocation section applies to the data section. */ |
162 | |
163 | struct relocation_info |
164 | { |
165 | unsigned int r_address; |
166 | unsigned int r_index:24; |
167 | unsigned int r_extern:1; |
168 | int r_pad:2; |
169 | enum reloc_type r_type:5; |
170 | int r_addend; |
171 | }; |
172 | #endif /* no N_RELOCATION_INFO_DECLARED. */ |
173 | |
174 | #endif /* __A_OUT_GNU_H__ */ |
175 |
Warning: This file is not a C or C++ file. It does not have highlighting.