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annotate lwasm/lwasm.h @ 367:c6d2a1f54e0c

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Change processor target variations to pragmas. Add "pragma 6809" and "pragma 6309" which select the processor target rather than a global flag. The command line switches set or reset the pragma appropriately. Thanks to Erik G <erik@6809.org> for the patch.
author William Astle <lost@l-w.ca>
date Mon, 15 Jun 2015 21:21:58 -0600
parents 433dbc18fb41
children 8764142b3192
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 lwasm.h
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3
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4 Copyright © 2010 William Astle
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5
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6 This file is part of LWTOOLS.
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7
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the
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9 terms of the GNU General Public License as published by the Free Software
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10 Foundation, either version 3 of the License, or (at your option) any later
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11 version.
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12
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13 This program is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 more details.
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17
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18 You should have received a copy of the GNU General Public License along with
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19 this program. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 #ifndef ___lwasm_h_seen___
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23 #define ___lwasm_h_seen___
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24
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25 #ifdef _MSC_VER
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26 #include "lw_win.h" // windows build
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27 #endif
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28
0
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29 #include <lw_expr.h>
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30 #include <lw_stringlist.h>
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31 #include <lw_stack.h>
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32 #include <lw_version.h>
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33
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34 // these are allowed chars BELOW 0x80 for symbols
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35 // first is symbol start chars, second is anywhere in symbol
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36 #define SSYMCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_@$"
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37 #define SYMCHARS SSYMCHARS ".?0123456789"
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38
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39 typedef struct asmstate_s asmstate_t;
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41 enum
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42 {
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43 lwasm_expr_linelen = 1, // length of ref'd line
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44 lwasm_expr_lineaddr = 2, // addr of ref'd line
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45 lwasm_expr_nextbp = 3, // next branch point
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46 lwasm_expr_prevbp = 4, // previous branch point
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47 lwasm_expr_syment = 5, // symbol table entry
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48 lwasm_expr_import = 6, // symbol import entry
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49 lwasm_expr_secbase = 7, // section base address
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50 lwasm_expr_linedaddr = 8, // data address of the line
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51 lwasm_expr_linedlen = 9 // data length of the line
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52 };
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53
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54 enum lwasm_output_e
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55 {
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56 OUTPUT_DECB = 0, // DECB multirecord format
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57 OUTPUT_RAW, // raw sequence of bytes
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58 OUTPUT_OBJ, // proprietary object file format
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59 OUTPUT_RAWREL, // raw bytes where ORG causes a SEEK in the file
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60 OUTPUT_OS9, // os9 module target
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61 OUTPUT_SREC, // motorola SREC format
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62 OUTPUT_IHEX, // intel hex format
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63 OUTPUT_HEX // generic hexadecimal format
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64 };
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65
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66 enum lwasm_flags_e
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67 {
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68 FLAG_LIST = 0x0001,
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69 FLAG_DEPEND = 0x0002,
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70 FLAG_SYMBOLS = 0x004,
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71 FLAG_DEPENDNOERR = 0x0008,
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72 FLAG_UNICORNS = 0x0010,
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73 FLAG_MAP = 0x0020,
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74 FLAG_SYMBOLS_NOLOCALS = 0x0040,
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75 FLAG_NONE = 0
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76 };
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77
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78 enum lwasm_pragmas_e
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79 {
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80 PRAGMA_NONE = 0, // no pragmas in effect
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81 PRAGMA_DOLLARNOTLOCAL = 0x0001, // dollar sign does not make a symbol local
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82 PRAGMA_NOINDEX0TONONE = 0x0002, // do not change implicit 0,R to ,R
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83 PRAGMA_UNDEFEXTERN = 0x0004, // undefined symbols are considered to be external
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84 PRAGMA_CESCAPES = 0x0008, // allow C style escapes in fcc, fcs, fcn, etc.
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85 PRAGMA_IMPORTUNDEFEXPORT = 0x0010, // imports symbol if undefined upon export
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86 PRAGMA_PCASPCR = 0x0020, // treats ,PC as ,PCR instead of constant offset
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87 PRAGMA_SHADOW = 0x0040, // allow macros to shadow builtin operations
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88 PRAGMA_NOLIST = 0x0080, // don't show line in listing
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89 PRAGMA_AUTOBRANCHLENGTH = 0x0100, // automatically select proper length for relative branches
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90 PRAGMA_EXPORT = 0x0200, // export symbols by default, unless local
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91 PRAGMA_SYMBOLNOCASE = 0x400, // symbols defined under this pragma are matched case insensitively
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92 PRAGMA_CONDUNDEFZERO = 0x800, // treat undefined symbols as zero in conditionals during pass 1
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93 PRAGMA_6800COMPAT = 0x1000, // enable 6800 compatibility opcodes
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94 PRAGMA_FORWARDREFMAX = 0x2000, // force incomplete references on pass 1 to maximum mode
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95 PRAGMA_6809 = 0x4000 // 6809/6309 assembly mode
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96 };
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97
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98
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99 enum
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100 {
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101 section_flag_bss = 1, // BSS section
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102 section_flag_constant = 2, // constants - no base offset
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103 section_flag_none = 0 // no flags
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104 };
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105
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106 typedef struct reloctab_s reloctab_t;
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107 struct reloctab_s
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108 {
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109 lw_expr_t offset; // offset of relocation
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110 int size; // size of relocation
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111 lw_expr_t expr; // relocation expression
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112 reloctab_t *next;
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113 };
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114
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115 typedef struct sectiontab_s sectiontab_t;
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116 struct sectiontab_s
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117 {
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118 char *name; // section name
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119 int flags; // section flags;
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120 lw_expr_t offset; // offset for next instance
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121 int oblen; // size of section output
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122 int obsize; // size of output buffer
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123 unsigned char *obytes; // output buffer
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124 reloctab_t *reloctab; // table of relocations
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125 sectiontab_t *next;
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126 };
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127
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128 typedef struct lwasm_error_s lwasm_error_t;
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129 struct lwasm_error_s
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130 {
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131 char *mess; // actual error message
226
7c2c2239ec9c Make unicorns grok errors and warnings.
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parents: 223
diff changeset
132 int charpos; // character position on line where parsing stopped
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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133 lwasm_error_t *next; // ptr to next error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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134 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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135
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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136 struct line_expr_s
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diff changeset
137 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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138 lw_expr_t expr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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139 int id;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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140 struct line_expr_s *next;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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141 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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142
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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143 typedef struct line_s line_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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144
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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145 typedef struct exportlist_s exportlist_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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146 struct exportlist_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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147 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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148 char *symbol; // symbol to export
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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diff changeset
149 struct symtabe *se; // symbol table entry
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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150 line_t *line; // line the export is on
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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151 exportlist_t *next; // next in the export list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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152 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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153
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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154 typedef struct importlist_s importlist_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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155 struct importlist_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
156 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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157 char *symbol; // symbol to import
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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158 importlist_t *next; // next in the import list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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159 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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160
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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161 struct line_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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diff changeset
162 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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163 lw_expr_t addr; // assembly address of the line
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 115
diff changeset
164 lw_expr_t daddr; // data address of the line (os9 only)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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165 int len; // the "size" this line occupies (address space wise) (-1 if unknown)
142
697bc543368c Implement distinction between . and * for OS9 modules
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parents: 115
diff changeset
166 int dlen; // the data "size" this line occupies (-1 if unknown)
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
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parents: 226
diff changeset
167 int minlen; // minimum length
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 226
diff changeset
168 int maxlen; // maximum length
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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169 int insn; // number of insn in insn table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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170 int symset; // set if the line symbol was consumed by the instruction
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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171 char *sym; // symbol, if any, on the line
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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172 unsigned char *output; // output bytes
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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173 int outputl; // size of output
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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174 int outputbl; // size of output buffer
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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175 int dpval; // direct page value
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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176 lwasm_error_t *err; // list of errors
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
177 lwasm_error_t *warn; // list of errors
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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178 line_t *prev; // previous line
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
179 line_t *next; // next line
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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180 int inmod; // inside a module?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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181 sectiontab_t *csect; // which section are we in?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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182 struct line_expr_s *exprs; // expressions used during parsing
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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183 char *lstr; // string passed forward
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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184 int pb; // pass forward post byte
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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185 int lint; // pass forward integer
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186 int lint2; // another pass forward integer
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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187 asmstate_t *as; // assembler state data ptr
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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188 int pragmas; // pragmas in effect for the line
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189 int context; // the symbol context number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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190 char *ltext; // line number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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191 char *linespec; // line spec
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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192 int lineno; // line number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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193 int soff; // struct offset (for listings)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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194 int dshow; // data value to show (for listings)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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195 int dsize; // set to 1 for 8 bit dshow value
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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196 int isbrpt; // set to 1 if this line is a branch point
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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197 struct symtabe *dptr; // symbol value to display
49
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
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diff changeset
198
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
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diff changeset
199 int noexpand_start; // start of a no-expand block
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
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diff changeset
200 int noexpand_end; // end of a no-expand block
219
afd50d6b4113 Add --preprocess option
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parents: 211
diff changeset
201 int hideline; // set if we're going to hide this line on output
0
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202 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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203
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
204 enum
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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205 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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206 symbol_flag_set = 1, // symbol was used with "set"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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207 symbol_flag_nocheck = 2, // do not check symbol characters
81
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
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parents: 73
diff changeset
208 symbol_flag_nolist = 4, // no not show symbol in symbol table
207
07e1fac76321 Added pragma to allow non case sensitive symbols
William Astle <lost@l-w.ca>
parents: 206
diff changeset
209 symbol_flag_nocase = 8, // do not match case of symbol
0
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diff changeset
210 symbol_flag_none = 0 // no flags
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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211 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
212
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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213 struct symtabe
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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214 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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215 char *symbol; // the name of the symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
216 int context; // symbol context (-1 for global)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
217 int version; // version of the symbol (for "set")
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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218 int flags; // flags for the symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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219 sectiontab_t *section; // section the symbol is defined in
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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220 lw_expr_t value; // symbol value
195
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
221 struct symtabe *left; // left subtree pointer
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
222 struct symtabe *right; // right subtree pointer
17bd59f045af Changed symbol table to use a binary tree.
William Astle <lost@l-w.ca>
parents: 156
diff changeset
223 struct symtabe *nextver; // next lower version
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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224 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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225
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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226 typedef struct
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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227 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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228 struct symtabe *head; // start of symbol table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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229 } symtab_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
230
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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231 typedef struct macrotab_s macrotab_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
232 struct macrotab_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
233 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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234 char *name; // name of macro
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
235 char **lines; // macro lines
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
236 int numlines; // number lines in macro
49
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
237 int flags; // flags for the macro
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
238 macrotab_t *next; // next macro in list
222
03f7192fcd20 Add --unicorns option for IDE integration
William Astle <lost@l-w.ca>
parents: 219
diff changeset
239 line_t *definedat; // the line where the macro definition starts
0
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240 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
241
49
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
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diff changeset
242 enum
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
243 {
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
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diff changeset
244 macro_noexpand = 1 // set to not expland the macro by default in listing
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
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parents: 2
diff changeset
245 };
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
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parents: 2
diff changeset
246
0
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247 typedef struct structtab_s structtab_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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248 typedef struct structtab_field_s structtab_field_t;
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249
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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250 struct structtab_field_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
251 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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252 char *name; // structure field name - NULL for anonymous
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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253 int size; // structure field size
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
254 structtab_t *substruct; // sub structure if there is one
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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255 structtab_field_t *next; // next field entry
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
256 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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257
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
258 struct structtab_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
259 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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260 char *name; // name of structure
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
261 int size; // number of bytes taken by struct
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
262 structtab_field_t *fields; // fields in the structure
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
263 structtab_t *next; // next structure
223
211fc8038b8d More unicorn stuff - structs and macros
William Astle <lost@l-w.ca>
parents: 222
diff changeset
264 line_t *definedat; // line where structure is defined
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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265 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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266
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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267 struct asmstate_s
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268 {
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269 int output_format; // output format
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270 int debug_level; // level of debugging requested
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271 FILE *debug_file; // FILE * to output debug messages to
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272 int flags; // assembly flags
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273 int pragmas; // pragmas currently in effect
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274 int errorcount; // number of errors encountered
209
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275 int warningcount; // number of warnings issued
0
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276 int inmacro; // are we in a macro?
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277 int instruct; // are w in a structure?
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278 int skipcond; // skipping a condition?
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279 int skipcount; // depth of "skipping"
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280 int skipmacro; // are we skipping in a macro?
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281 int endseen; // have we seen an "end" pseudo?
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282 int execaddr; // address from "end"
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283 int inmod; // inside an os9 module?
210
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284 int undefzero; // used for handling "condundefzero"
211
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285 int pretendmax; // set if we need to pretend the instruction is max length
0
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286 unsigned char crc[3]; // crc accumulator
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287 int badsymerr; // throw error on undef sym if set
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288
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289 line_t *line_head; // start of lines list
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290 line_t *line_tail; // tail of lines list
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291
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292 line_t *cl; // current line pointer
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293
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294 sectiontab_t *csect; // current section
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295
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296 int context; // the current "context"
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297 int nextcontext; // the next available context
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298
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299 symtab_t symtab; // meta data for the symbol table
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300 macrotab_t *macros; // macro table
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301 sectiontab_t *sections; // section table
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302 exportlist_t *exportlist; // list of exported symbols
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303 importlist_t *importlist; // list of imported symbols
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304 char *list_file; // name of file to list to
365
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305 char *map_file; // name of map file
0
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306 char *output_file; // output file name
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307 lw_stringlist_t input_files; // files to assemble
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308 void *input_data; // opaque data used by the input system
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309 lw_stringlist_t include_list; // include paths
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310 lw_stack_t file_dir; // stack of the "current file" dir
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311 lw_stack_t includelist;
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312
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313 structtab_t *structs; // defined structures
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314 structtab_t *cstruct; // current structure
61
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315 lw_expr_t savedaddr; // old address counter before struct started
0
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316 int exportcheck; // set if we need to collapse out the section base to 0
70
ceab04fd2969 Fixed premature installation of external reference under UNDEFEXTERN pragma; should not resolve to external references until after the initial parsing pass
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317 int passno; // set to the current pass number
219
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318 int preprocess; // set if we are prepocessing
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319 int fileerr; // flags error opening file
366
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320 int exprwidth; // the bit width of the expression being evaluated
0
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321 };
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322
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323 #ifndef ___symbol_c_seen___
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324
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325 extern struct symtabe *register_symbol(asmstate_t *as, line_t *cl, char *sym, lw_expr_t value, int flags);
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326 extern struct symtabe *lookup_symbol(asmstate_t *as, line_t *cl, char *sym);
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327
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328 #endif
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329
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330 #ifndef ___lwasm_c_seen___
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331
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332 extern void lwasm_register_error(asmstate_t *as, line_t *cl, const char *msg, ...);
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333 extern void lwasm_register_warning(asmstate_t *as, line_t *cl, const char *msg, ...);
226
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334
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335 extern void lwasm_register_error_n(asmstate_t *as, line_t *cl, char *iptr, const char *msg, ...);
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336 extern void lwasm_register_warning_n(asmstate_t *as, line_t *cl, char *iptr, const char *msg, ...);
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337
0
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338 extern int lwasm_next_context(asmstate_t *as);
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339 extern void lwasm_emit(line_t *cl, int byte);
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340 extern void lwasm_emitop(line_t *cl, int opc);
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341
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342 extern void lwasm_save_expr(line_t *cl, int id, lw_expr_t expr);
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343 extern lw_expr_t lwasm_fetch_expr(line_t *cl, int id);
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344 extern lw_expr_t lwasm_parse_expr(asmstate_t *as, char **p);
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345 extern int lwasm_emitexpr(line_t *cl, lw_expr_t expr, int s);
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346
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347 extern void skip_operand(char **p);
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348
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349 extern int lwasm_lookupreg2(const char *rlist, char **p);
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350 extern int lwasm_lookupreg3(const char *rlist, char **p);
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351
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352 extern void lwasm_show_errors(asmstate_t *as);
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353
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354 extern int lwasm_reduce_expr(asmstate_t *as, lw_expr_t expr);
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355
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356 extern lw_expr_t lwasm_parse_cond(asmstate_t *as, char **p);
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357
241
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358 extern int lwasm_calculate_range(asmstate_t *as, lw_expr_t expr, int *min, int *max);
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359
336
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360 extern void lwasm_reduce_line_exprs(line_t *cl);
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361
2
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362 #endif
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363
338
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364 #ifdef LWASM_NODEBUG
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365 #define debug_message(...)
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366 #define dump_state(...)
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367 #else
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368 extern void real_debug_message(asmstate_t *as, int level, const char *fmt, ...);
0
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369 extern void dump_state(asmstate_t *as);
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370
338
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371 #define debug_message(as,level,...) do { asmstate_t *ras = (as); int rlevel = (level); if (ras->debug_level >= rlevel) { real_debug_message(ras, rlevel, __VA_ARGS__); } } while (0)
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372 #endif
0
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373
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374 #define OPLEN(op) (((op)>0xFF)?2:1)
101
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375 #define CURPRAGMA(l,p) (((l) && ((l)->pragmas & (p))) ? 1 : 0)
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376
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377 #endif /* ___lwasm_h_seen___ */