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annotate lwasm/lwasm.h @ 344:0215a0fbf61b
Added assembly error system and additional checks for symbol syntax
| author | lost@starbug |
|---|---|
| date | Thu, 25 Mar 2010 22:06:50 -0600 |
| parents | 7b4123dce741 |
| children | 7416c3f9c321 |
| rev | line source |
|---|---|
| 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 |
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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 | |
| 323 | 107 typedef struct |
| 108 { | |
| 324 | 109 int output_format; // output format |
| 110 int target; // assembly target | |
| 111 int debug_level; // level of debugging requested | |
| 325 | 112 int flags; // assembly flags |
| 113 int pragmas; // pragmas currently in effect | |
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114 int errorcount; // number of errors encountered |
| 325 | 115 |
| 337 | 116 line_t *line_head; // start of lines list |
| 117 line_t *line_tail; // tail of lines list | |
| 342 | 118 |
| 119 int context; // the current "context" | |
| 120 | |
| 121 symtab_t symtab; // meta data for the symbol table | |
| 337 | 122 |
| 325 | 123 char *list_file; // name of file to list to |
| 124 char *output_file; // output file name | |
| 324 | 125 lw_stringlist_t input_files; // files to assemble |
| 330 | 126 void *input_data; // opaque data used by the input system |
| 325 | 127 lw_stringlist_t include_list; // include paths |
| 329 | 128 lw_stack_t file_dir; // stack of the "current file" dir |
| 323 | 129 } asmstate_t; |
| 130 | |
| 342 | 131 #ifndef ___symbol_c_seen___ |
| 132 | |
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133 extern struct symtabe *register_symbol(asmstate_t *as, line_t *cl, char *sym, lw_expr_t value, int flags); |
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134 extern struct symtabe *lookup_symbol(asmstate_t *as, line_t *cl, char *sym, int context, int version); |
| 342 | 135 |
| 136 #endif | |
| 137 | |
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138 #ifndef ___lwasm_c_seen___ |
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139 |
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140 extern void lwasm_register_error(asmstate_t *as, line_t *cl, const char *msg, ...); |
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141 |
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142 #endif |
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143 |
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144 |
| 324 | 145 #endif /* ___lwasm_h_seen___ */ |