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annotate lwlink/lwlink.h @ 243:f9f01a499525 2.x
Added zero-width external references
author | lost |
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date | Tue, 15 Sep 2009 03:16:17 +0000 |
parents | 42df94f30d82 |
children | e8d70b95ec41 |
rev | line source |
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112 | 1 /* |
2 lwlink.h | |
118 | 3 Copyright © 2009 William Astle |
112 | 4 |
5 This file is part of LWLINK. | |
6 | |
7 LWLINK is free software: you can redistribute it and/or modify it under the | |
8 terms of the GNU General Public License as published by the Free Software | |
9 Foundation, either version 3 of the License, or (at your option) any later | |
10 version. | |
11 | |
12 This program is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
15 more details. | |
16 | |
17 You should have received a copy of the GNU General Public License along with | |
18 this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | |
20 Contains the main defs used by the linker | |
21 */ | |
22 | |
23 | |
24 #ifndef __lwlink_h_seen__ | |
25 #define __lwlink_h_seen__ | |
26 | |
116 | 27 #include "expr.h" |
28 | |
112 | 29 #define OUTPUT_DECB 0 // DECB multirecord format |
30 #define OUTPUT_RAW 1 // raw sequence of bytes | |
187 | 31 #define OUTPUT_LWEX0 2 // LWOS LWEX binary version 0 |
112 | 32 |
116 | 33 typedef struct symtab_s symtab_t; |
34 struct symtab_s | |
35 { | |
36 unsigned char *sym; // symbol name | |
37 int offset; // local offset | |
120 | 38 // int realval; // resolved value |
116 | 39 symtab_t *next; // next symbol |
40 }; | |
41 | |
204
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42 #define RELOC_NORM 0 // all default (16 bit) |
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43 #define RELOC_8BIT 1 // only use the low 8 bits for the reloc |
243 | 44 #define RELOC_0BIT 2 // don't actual stuff a reloc anywhere! |
116 | 45 typedef struct reloc_s reloc_t; |
46 struct reloc_s | |
47 { | |
48 int offset; // where in the section | |
204
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49 int flags; // flags for the relocation |
116 | 50 lw_expr_stack_t *expr; // the expression to calculate it |
51 reloc_t *next; // ptr to next relocation | |
52 }; | |
53 | |
119 | 54 typedef struct fileinfo_s fileinfo_t; |
55 | |
116 | 56 #define SECTION_BSS 1 |
57 typedef struct | |
58 { | |
59 unsigned char *name; // name of the section | |
60 int flags; // section flags | |
61 int codesize; // size of the code | |
62 unsigned char *code; // pointer to the code | |
63 int loadaddress; // the actual load address of the section | |
119 | 64 int processed; // was the section processed yet? |
65 | |
116 | 66 symtab_t *localsyms; // local symbol table |
67 symtab_t *exportedsyms; // exported symbols table | |
68 | |
69 reloc_t *incompletes; // table of incomplete references | |
119 | 70 |
71 fileinfo_t *file; // the file we are in | |
116 | 72 } section_t; |
115 | 73 |
119 | 74 struct fileinfo_s |
115 | 75 { |
76 char *filename; | |
77 unsigned char *filedata; | |
78 long filesize; | |
116 | 79 section_t *sections; |
80 int nsections; | |
180 | 81 int islib; // set to true if the file is a "-l" option |
171 | 82 |
205 | 83 int forced; // set to true if the file is a "forced" include |
84 | |
171 | 85 // "sub" files (like in archives or libraries) |
86 int nsubs; | |
87 fileinfo_t **subs; | |
88 fileinfo_t *parent; | |
119 | 89 }; |
115 | 90 |
121 | 91 struct section_list |
92 { | |
93 section_t *ptr; // ptr to section structure | |
94 int forceaddr; // was this force to an address by the link script? | |
95 }; | |
96 | |
97 #ifndef __link_c_seen__ | |
98 extern struct section_list *sectlist; | |
99 extern int nsects; | |
100 #endif | |
116 | 101 |
102 | |
112 | 103 #ifndef __lwlink_c_seen__ |
104 | |
105 extern int debug_level; | |
106 extern int outformat; | |
107 extern char *outfile; | |
114
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108 extern int ninputfiles; |
115 | 109 extern fileinfo_t **inputfiles; |
117 | 110 extern char *scriptfile; |
112 | 111 |
180 | 112 extern int nlibdirs; |
113 extern char **libdirs; | |
114 | |
115 extern int nscriptls; | |
116 extern char **scriptls; | |
117 | |
184
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118 extern int symerr; |
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119 |
185 | 120 extern char *map_file; |
121 | |
114
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122 #define __lwlink_E__ extern |
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123 #else |
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124 #define __lwlink_E__ |
112 | 125 #endif // __lwlink_c_seen__ |
126 | |
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127 __lwlink_E__ void add_input_file(char *fn); |
180 | 128 __lwlink_E__ void add_input_library(char *fn); |
129 __lwlink_E__ void add_library_search(char *fn); | |
130 __lwlink_E__ void add_section_base(char *fn); | |
114
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131 |
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132 #undef __lwlink_E__ |
117 | 133 |
134 struct scriptline_s | |
135 { | |
136 char *sectname; // name of section, NULL for wildcard | |
137 int loadat; // address to load at (or -1) | |
138 int noflags; // flags to NOT have | |
139 int yesflags; // flags to HAVE | |
140 }; | |
141 | |
142 typedef struct | |
143 { | |
144 int nlines; // number of lines in the script | |
145 struct scriptline_s *lines; // the parsed script lines (section) | |
146 int padsize; // the size to pad to, -1 for none | |
121 | 147 char *execsym; // entry point symbol |
148 int execaddr; // execution address (entry point) | |
187 | 149 int stacksize; // stack size |
117 | 150 } linkscript_t; |
151 | |
152 #ifndef __script_c_seen__ | |
153 extern linkscript_t linkscript; | |
154 #endif | |
155 | |
112 | 156 #endif //__lwlink_h_seen__ |