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3340f7e5 | 1 | /* write.h |
fecd2382 | 2 | |
3340f7e5 | 3 | Copyright (C) 1987, 1992 Free Software Foundation, Inc. |
a39116f1 RP |
4 | |
5 | This file is part of GAS, the GNU Assembler. | |
6 | ||
7 | GAS is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GAS is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GAS; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
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20 | |
21 | #ifndef TC_I960 | |
22 | #ifdef hpux | |
23 | #define EXEC_MACHINE_TYPE HP9000S200_ID | |
24 | #endif | |
25 | #endif /* TC_I960 */ | |
26 | ||
27 | #ifndef LOCAL_LABEL | |
28 | #ifdef DOT_LABEL_PREFIX | |
29 | #define LOCAL_LABEL(name) (name[0] =='.' \ | |
a39116f1 | 30 | && ( name [1] == 'L' || name [1] == '.' )) |
fecd2382 RP |
31 | #else /* not defined DOT_LABEL_PREFIX */ |
32 | #define LOCAL_LABEL(name) (name [0] == 'L' ) | |
33 | #endif /* not defined DOT_LABEL_PREFIX */ | |
34 | #endif /* LOCAL_LABEL */ | |
35 | ||
36 | #define S_LOCAL_NAME(s) (LOCAL_LABEL(S_GET_NAME(s))) | |
37 | ||
38 | /* The bit_fix was implemented to support machines that need variables | |
39 | to be inserted in bitfields other than 1, 2 and 4 bytes. | |
40 | Furthermore it gives us a possibillity to mask in bits in the symbol | |
41 | when it's fixed in the objectcode and check the symbols limits. | |
a39116f1 | 42 | |
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43 | The or-mask is used to set the huffman bits in displacements for the |
44 | ns32k port. | |
45 | The acbi, addqi, movqi, cmpqi instruction requires an assembler that | |
46 | can handle bitfields. Ie handle an expression, evaluate it and insert | |
47 | the result in an some bitfield. ( ex: 5 bits in a short field of a opcode) | |
a39116f1 | 48 | */ |
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49 | |
50 | struct bit_fix { | |
a39116f1 RP |
51 | int fx_bit_size; /* Length of bitfield */ |
52 | int fx_bit_offset; /* Bit offset to bitfield */ | |
53 | long fx_bit_base; /* Where do we apply the bitfix. | |
54 | If this is zero, default is assumed. */ | |
55 | long fx_bit_base_adj;/* Adjustment of base */ | |
56 | long fx_bit_max; /* Signextended max for bitfield */ | |
57 | long fx_bit_min; /* Signextended min for bitfield */ | |
58 | long fx_bit_add; /* Or mask, used for huffman prefix */ | |
fecd2382 RP |
59 | }; |
60 | typedef struct bit_fix bit_fixS; | |
61 | /* | |
62 | * FixSs may be built up in any order. | |
63 | */ | |
64 | ||
a39116f1 RP |
65 | struct fix { |
66 | fragS *fx_frag; /* Which frag? */ | |
67 | long fx_where; /* Where is the 1st byte to fix up? */ | |
68 | symbolS *fx_addsy; /* NULL or Symbol whose value we add in. */ | |
69 | symbolS *fx_subsy; /* NULL or Symbol whose value we subtract. */ | |
70 | long fx_offset; /* Absolute number we add in. */ | |
71 | struct fix *fx_next; /* NULL or -> next fixS. */ | |
72 | short int fx_size; /* How many bytes are involved? */ | |
73 | char fx_pcrel; /* TRUE: pc-relative. */ | |
74 | char fx_pcrel_adjust;/* pc-relative offset adjust */ | |
75 | char fx_im_disp; /* TRUE: value is a displacement */ | |
76 | bit_fixS *fx_bit_fixP; /* IF NULL no bitfix's to do */ | |
77 | char fx_bsr; /* sequent-hack */ | |
78 | enum reloc_type fx_r_type; /* Sparc hacks */ | |
79 | char fx_callj; /* TRUE if target is a 'callj' | |
80 | (used by i960) */ | |
81 | long fx_addnumber; | |
fecd2382 RP |
82 | }; |
83 | ||
a39116f1 | 84 | typedef struct fix fixS; |
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85 | |
86 | COMMON char *next_object_file_charP; | |
87 | ||
a39116f1 | 88 | #ifndef MANY_SEGMENTS |
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89 | COMMON fixS *text_fix_root, *text_fix_tail; /* Chains fixSs. */ |
90 | COMMON fixS *data_fix_root, *data_fix_tail; /* Chains fixSs. */ | |
a39116f1 | 91 | #endif |
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92 | COMMON fixS **seg_fix_rootP, **seg_fix_tailP; /* -> one of above. */ |
93 | extern long string_byte_count; | |
94 | extern int section_alignment[]; | |
95 | ||
3340f7e5 | 96 | #if __STDC__ == 1 |
fecd2382 RP |
97 | |
98 | bit_fixS *bit_fix_new(char size, char offset, long base_type, long base_adj, long min, long max, long add); | |
99 | void append(char **charPP, char *fromP, unsigned long length); | |
100 | void record_alignment(segT seg, int align); | |
101 | void write_object_file(void); | |
102 | ||
103 | fixS *fix_new(fragS *frag, | |
104 | int where, | |
105 | int size, | |
106 | symbolS *add_symbol, | |
107 | symbolS *sub_symbol, | |
108 | long offset, | |
109 | int pcrel, | |
110 | enum reloc_type r_type); | |
111 | ||
3340f7e5 | 112 | #else /* not __STDC__ */ |
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113 | |
114 | bit_fixS *bit_fix_new(); | |
115 | fixS *fix_new(); | |
116 | void append(); | |
117 | void record_alignment(); | |
118 | void write_object_file(); | |
119 | ||
3340f7e5 | 120 | #endif /* not __STDC__ */ |
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121 | |
122 | /* | |
123 | * Local Variables: | |
124 | * comment-column: 0 | |
125 | * fill-column: 131 | |
126 | * End: | |
127 | */ | |
128 | ||
129 | /* end of write.h */ |