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annotate lwasm/lwasm.h @ 345:7416c3f9c321
Basic macro processor ported forward; added context break handling for local symbols
author | lost@starbug |
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date | Thu, 25 Mar 2010 23:17:54 -0600 |
parents | 0215a0fbf61b |
children | a82c55070624 |
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323 | 1 /* |
2 lwasm.h | |
3 | |
4 Copyright © 2010 William Astle | |
5 | |
6 This file is part of LWTOOLS. | |
7 | |
8 LWTOOLS is free software: you can redistribute it and/or modify it under the | |
9 terms of the GNU General Public License as published by the Free Software | |
10 Foundation, either version 3 of the License, or (at your option) any later | |
11 version. | |
12 | |
13 This program is distributed in the hope that it will be useful, but WITHOUT | |
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
16 more details. | |
17 | |
18 You should have received a copy of the GNU General Public License along with | |
19 this program. If not, see <http://www.gnu.org/licenses/>. | |
20 */ | |
21 | |
22 #ifndef ___lwasm_h_seen___ | |
23 #define ___lwasm_h_seen___ | |
24 | |
337 | 25 #include <lw_expr.h> |
324 | 26 #include <lw_stringlist.h> |
329 | 27 #include <lw_stack.h> |
324 | 28 |
337 | 29 enum |
30 { | |
31 lwasm_expr_linelen = 1 | |
32 }; | |
33 | |
323 | 34 enum lwasm_output_e |
35 { | |
36 OUTPUT_DECB = 0, // DECB multirecord format | |
37 OUTPUT_RAW, // raw sequence of bytes | |
38 OUTPUT_OBJ, // proprietary object file format | |
39 OUTPUT_RAWREL, // raw bytes where ORG causes a SEEK in the file | |
40 OUTPUT_OS9 // os9 module target | |
41 }; | |
42 | |
43 enum lwasm_target_e | |
44 { | |
45 TARGET_6309 = 0, // target 6309 CPU | |
46 TARGET_6809 // target 6809 CPU (no 6309 ops) | |
47 }; | |
48 | |
325 | 49 enum lwasm_flags_e |
50 { | |
51 FLAG_NONE = 0, | |
52 FLAG_LIST = 0x0001, | |
53 FLAG_DEPEND = 0x0002 | |
54 }; | |
55 | |
56 enum lwasm_pragmas_e | |
57 { | |
58 PRAGMA_NONE = 0, // no pragmas in effect | |
59 PRAGMA_DOLLARNOTLOCAL = 0x0001, // dollar sign does not make a symbol local | |
60 PRAGMA_NOINDEX0TONONE = 0x0002, // do not change implicit 0,R to ,R | |
61 PRAGMA_UNDEFEXTERN = 0x0004, // undefined symbols are considered to be external | |
62 PRAGMA_CESCAPES = 0x0008, // allow C style escapes in fcc, fcs, fcn, etc. | |
63 PRAGMA_IMPORTUNDEFEXPORT = 0x0010 // imports symbol if undefined upon export | |
64 }; | |
65 | |
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66 typedef struct lwasm_error_s lwasm_error_t; |
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67 struct lwasm_error_s |
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68 { |
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69 char *mess; // actual error message |
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70 lwasm_error_t *next; // ptr to next error |
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71 }; |
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72 |
337 | 73 typedef struct line_s line_t; |
74 struct line_s | |
75 { | |
76 lw_expr_t addr; // assembly address of the line | |
77 int len; // the "size" this line occupies (address space wise) (-1 if unknown) | |
78 int insn; // number of insn in insn table | |
342 | 79 int symset; // set if the line symbol was consumed by the instruction |
340 | 80 char *sym; // symbol, if any, on the line |
344
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81 lwasm_error_t *err; // list of errors |
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82 line_t *prev; // previous line |
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83 line_t *next; // next line |
337 | 84 }; |
85 | |
342 | 86 enum |
87 { | |
88 symbol_flag_set = 1, // symbol was used with "set" | |
89 symbol_flag_none = 0 // no flags | |
90 }; | |
91 | |
92 struct symtabe | |
93 { | |
94 char *symbol; // the name of the symbol | |
95 int context; // symbol context (-1 for global) | |
96 int version; // version of the symbol (for "set") | |
97 int flags; // flags for the symbol | |
98 lw_expr_t value; // symbol value | |
99 struct symtabe *next; // next symbol in the table | |
100 }; | |
101 | |
102 typedef struct | |
103 { | |
104 struct symtabe *head; // start of symbol table | |
105 } symtab_t; | |
106 | |
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107 typedef struct macrotab_s macrotab_t; |
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108 struct macrotab_s |
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109 { |
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110 char *name; // name of macro |
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111 char **lines; // macro lines |
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112 int numlines; // number lines in macro |
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113 macrotab_t *next; // next macro in list |
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114 }; |
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115 |
323 | 116 typedef struct |
117 { | |
324 | 118 int output_format; // output format |
119 int target; // assembly target | |
120 int debug_level; // level of debugging requested | |
325 | 121 int flags; // assembly flags |
122 int pragmas; // pragmas currently in effect | |
344
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123 int errorcount; // number of errors encountered |
345
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124 int inmacro; // are we in a macro? |
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125 int skipcond; // skipping a condition? |
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126 int skipmacro; // are we skipping in a macro? |
325 | 127 |
337 | 128 line_t *line_head; // start of lines list |
129 line_t *line_tail; // tail of lines list | |
342 | 130 |
131 int context; // the current "context" | |
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132 int nextcontext; // the next available context |
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133 |
342 | 134 symtab_t symtab; // meta data for the symbol table |
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135 macrotab_t *macros; // macro table |
337 | 136 |
325 | 137 char *list_file; // name of file to list to |
138 char *output_file; // output file name | |
324 | 139 lw_stringlist_t input_files; // files to assemble |
330 | 140 void *input_data; // opaque data used by the input system |
325 | 141 lw_stringlist_t include_list; // include paths |
329 | 142 lw_stack_t file_dir; // stack of the "current file" dir |
323 | 143 } asmstate_t; |
144 | |
342 | 145 #ifndef ___symbol_c_seen___ |
146 | |
344
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147 extern struct symtabe *register_symbol(asmstate_t *as, line_t *cl, char *sym, lw_expr_t value, int flags); |
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148 extern struct symtabe *lookup_symbol(asmstate_t *as, line_t *cl, char *sym, int context, int version); |
342 | 149 |
150 #endif | |
151 | |
344
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152 #ifndef ___lwasm_c_seen___ |
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153 |
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154 extern void lwasm_register_error(asmstate_t *as, line_t *cl, const char *msg, ...); |
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155 extern int lwasm_next_context(asmstate_t *as); |
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156 |
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157 #endif |
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158 |
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159 |
324 | 160 #endif /* ___lwasm_h_seen___ */ |