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annotate lwasm/lwasm.h @ 509:bab891d85a53

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Allow dot at start of symbol per documentation The documentation says symbols can start with a dot. Also, source code in the wild that uses symbols starting with a dot has turned up. In theory, it shouldn't cause any problems to have symbols starting with dots.
author William Astle <lost@l-w.ca>
date Sat, 16 May 2020 17:27:42 -0600
parents 7fbf3171ca15
children 724bcc4508bc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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
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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
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33 #include <version.h>
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34
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35 // these are allowed chars BELOW 0x80 for symbols
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36 // first is symbol start chars, second is anywhere in symbol
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37 #define SSYMCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_@$."
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38 #define SYMCHARS SSYMCHARS ".?0123456789"
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39
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40 typedef struct asmstate_s asmstate_t;
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41
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42 enum
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43 {
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44 lwasm_expr_linelen = 1, // length of ref'd line
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45 lwasm_expr_lineaddr = 2, // addr of ref'd line
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46 lwasm_expr_nextbp = 3, // next branch point
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47 lwasm_expr_prevbp = 4, // previous branch point
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48 lwasm_expr_syment = 5, // symbol table entry
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49 lwasm_expr_import = 6, // symbol import entry
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50 lwasm_expr_secbase = 7, // section base address
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51 lwasm_expr_linedaddr = 8, // data address of the line
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52 lwasm_expr_linedlen = 9 // data length of the line
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53 };
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54
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55 enum lwasm_output_e
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56 {
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57 OUTPUT_DECB = 0, // DECB multirecord format
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58 OUTPUT_BASIC, // Color BASIC program
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59 OUTPUT_RAW, // raw sequence of bytes
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60 OUTPUT_OBJ, // proprietary object file format
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61 OUTPUT_RAWREL, // raw bytes where ORG causes a SEEK in the file
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62 OUTPUT_OS9, // os9 module target
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63 OUTPUT_SREC, // motorola SREC format
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64 OUTPUT_IHEX, // intel hex format
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65 OUTPUT_HEX, // generic hexadecimal format
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66 OUTPUT_LWMOD // special module format for LW
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67 };
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68
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69 enum lwasm_flags_e
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70 {
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71 FLAG_LIST = 0x0001,
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72 FLAG_DEPEND = 0x0002,
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73 FLAG_SYMBOLS = 0x004,
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74 FLAG_DEPENDNOERR = 0x0008,
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75 FLAG_UNICORNS = 0x0010,
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76 FLAG_MAP = 0x0020,
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77 FLAG_SYMBOLS_NOLOCALS = 0x0040,
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78 FLAG_NOOUT = 0x80,
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79 FLAG_SYMDUMP = 0x100,
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80 FLAG_NONE = 0
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81 };
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82
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83 enum lwasm_pragmas_e
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84 {
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85 PRAGMA_NONE = 0, // no pragmas in effect
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86 PRAGMA_DOLLARNOTLOCAL = 1 << 0, // dollar sign does not make a symbol local
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87 PRAGMA_NOINDEX0TONONE = 1 << 1, // do not change implicit 0,R to ,R
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88 PRAGMA_UNDEFEXTERN = 1 << 2, // undefined symbols are considered to be external
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89 PRAGMA_CESCAPES = 1 << 3, // allow C style escapes in fcc, fcs, fcn, etc.
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90 PRAGMA_IMPORTUNDEFEXPORT = 1 << 4, // imports symbol if undefined upon export
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91 PRAGMA_PCASPCR = 1 << 5, // treats ,PC as ,PCR instead of constant offset
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92 PRAGMA_SHADOW = 1 << 6, // allow macros to shadow builtin operations
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93 PRAGMA_NOLIST = 1 << 7, // don't show line in listing
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94 PRAGMA_AUTOBRANCHLENGTH = 1 << 8, // automatically select proper length for relative branches
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95 PRAGMA_EXPORT = 1 << 9, // export symbols by default, unless local
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96 PRAGMA_SYMBOLNOCASE = 1 << 10, // symbols defined under this pragma are matched case insensitively
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97 PRAGMA_CONDUNDEFZERO = 1 << 11, // treat undefined symbols as zero in conditionals during pass 1
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98 PRAGMA_6800COMPAT = 1 << 12, // enable 6800 compatibility opcodes
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99 PRAGMA_FORWARDREFMAX = 1 << 13, // force incomplete references on pass 1 to maximum mode
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100 PRAGMA_6809 = 1 << 14, // 6809/6309 assembly mode
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101 PRAGMA_TESTMODE = 1 << 15, // enable test mode (for internal unit testing)
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102 PRAGMA_C = 1 << 16, // enable cycle counts
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103 PRAGMA_CD = 1 << 17, // enable detailed cycle count
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104 PRAGMA_CT = 1 << 18, // enable cycle count running total
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105 PRAGMA_CC = 1 << 19, // clear cycle count running total
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106 PRAGMA_QRTS = 1 << 20, // enable BRA ?RTS support
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107 PRAGMA_M80EXT = 1 << 21, // enable Macro-80C assembler extensions
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108 PRAGMA_6809CONV = 1 << 22, // enable 6809 convenience ops
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109 PRAGMA_6309CONV = 1 << 23, // enable 6309 convenience ops
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110 PRAGMA_NEWSOURCE = 1 << 24, // don't use compatibility source format
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111 PRAGMA_OPERANDSIZE = 1 << 25, // warn if operand size is bigger than required
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112 PRAGMA_EMUEXT = 1 << 26, // enable emulator extensions
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113 PRAGMA_NOOUTPUT = 1 << 27, // disable object code output
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114 PRAGMA_NOEXPANDCOND = 1 << 28, // hide conditionals and skipped output in listings
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115 PRAGMA_CLEARBIT = 1 << 31 // reserved to indicate negated pragma flag status
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116 };
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117
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118 enum
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119 {
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120 section_flag_bss = 1, // BSS section
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121 section_flag_constant = 2, // constants - no base offset
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122 section_flag_none = 0 // no flags
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123 };
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124
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125 typedef struct reloctab_s reloctab_t;
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126 struct reloctab_s
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127 {
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128 lw_expr_t offset; // offset of relocation
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129 int size; // size of relocation
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130 lw_expr_t expr; // relocation expression
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131 reloctab_t *next;
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132 };
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133
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134 typedef struct sectiontab_s sectiontab_t;
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135 struct sectiontab_s
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136 {
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137 char *name; // section name
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138 int flags; // section flags;
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139 lw_expr_t offset; // offset for next instance
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140 int oblen; // size of section output
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141 int obsize; // size of output buffer
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142 int tbase; // temporary base value for resolution
0
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143 unsigned char *obytes; // output buffer
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144 reloctab_t *reloctab; // table of relocations
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145 sectiontab_t *next;
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146 };
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147
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148 typedef enum
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149 {
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150 TF_EMIT = 1,
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151 TF_ERROR = 2
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152 } lwasm_testflags_t;
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153
370
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154 typedef enum
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155 {
375
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156 E_6309_INVALID = 1,
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157 E_6809_INVALID = 2,
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158 E_ALIGNMENT_INVALID = 3,
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159 E_BITNUMBER_UNRESOLVED = 4,
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160 E_BITNUMBER_INVALID = 5,
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161 E_BYTE_OVERFLOW = 6,
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162 E_CONDITION_P1 = 7,
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163 E_DIRECTIVE_OS9_ONLY = 8,
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164 E_DIV0 = 9,
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165 E_EXEC_ADDRESS = 10,
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166 E_FILL_INVALID = 11,
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167 E_IMMEDIATE_INVALID = 12,
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168 E_IMMEDIATE_UNRESOLVED = 13,
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169 E_EXPRESSION_BAD = 14,
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170 E_EXPRESSION_NOT_CONST = 15,
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171 E_EXPRESSION_NOT_RESOLVED = 16,
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172 E_FILE_OPEN = 17,
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173 E_FILENAME_MISSING = 18,
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174 E_INSTRUCTION_FAILED = 19,
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175 E_INSTRUCTION_SECTION = 20,
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176 E_LINE_ADDRESS = 21,
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177 E_LINED_ADDRESS = 22,
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178 E_MACRO_DUPE = 23,
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179 E_MACRO_ENDM = 24,
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180 E_MACRO_NONAME = 25,
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181 E_MACRO_RECURSE = 26,
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182 E_MODULE_IN = 27,
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183 E_MODULE_NOTIN = 28,
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184 E_NEGATIVE_BLOCKSIZE = 29,
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185 E_NEGATIVE_RESERVATION = 30,
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186 E_NW_8 = 31,
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187 E_OPCODE_BAD = 32,
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188 E_OPERAND_BAD = 33,
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189 E_OBJTARGET_ONLY = 34,
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190 E_PADDING_BAD = 35,
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191 E_PRAGMA_UNRECOGNIZED = 36,
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192 E_REGISTER_BAD = 37,
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193 E_SECTION_END = 38,
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194 E_SECTION_EXTDEP = 39,
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195 E_SECTION_FLAG = 40,
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196 E_SECTION_NAME = 41,
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197 E_SECTION_TARGET = 42,
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198 E_SETDP_INVALID = 43,
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199 E_SETDP_NOT_CONST = 44,
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200 E_STRING_BAD = 45,
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201 E_STRUCT_DUPE = 46,
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202 E_STRUCT_NONAME = 47,
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203 E_STRUCT_NOSYMBOL = 48,
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204 E_STRUCT_RECURSE = 49,
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205 E_SYMBOL_BAD = 50,
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206 E_SYMBOL_DUPE = 51,
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207 E_SYMBOL_MISSING = 52,
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208 E_SYMBOL_UNDEFINED = 53,
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209 E_SYMBOL_UNDEFINED_EXPORT = 54,
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210 E_UNKNOWN_OPERATION = 55,
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211 E_USER_SPECIFIED = 56,
382
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212 E_ORG_NOT_FOUND = 57,
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213 E_COMPLEX_INCOMPLETE = 58,
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214 E_ILL5 = 59,
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215
370
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216 /* warnings must be 1000 or greater */
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217
375
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218 W_DUPLICATE_SECTION = 1000,
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219 W_ENDSTRUCT_WITHOUT = 1001,
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220 W_NOT_SUPPORTED = 1002,
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221 W_USER_SPECIFIED = 1003,
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222 W_OPERAND_SIZE = 1004
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223 } lwasm_errorcode_t;
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224
0
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225 typedef struct lwasm_error_s lwasm_error_t;
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226 struct lwasm_error_s
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227 {
370
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228 lwasm_errorcode_t code; // error code
0
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229 char *mess; // actual error message
226
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230 int charpos; // character position on line where parsing stopped
0
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231 lwasm_error_t *next; // ptr to next error
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232 };
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233
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234 struct line_expr_s
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235 {
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236 lw_expr_t expr;
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237 int id;
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238 struct line_expr_s *next;
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239 };
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240
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241 typedef struct line_s line_t;
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242
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243 typedef struct exportlist_s exportlist_t;
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244 struct exportlist_s
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245 {
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246 char *symbol; // symbol to export
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247 struct symtabe *se; // symbol table entry
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248 line_t *line; // line the export is on
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249 exportlist_t *next; // next in the export list
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250 };
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251
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252 typedef struct importlist_s importlist_t;
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253 struct importlist_s
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254 {
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255 char *symbol; // symbol to import
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256 importlist_t *next; // next in the import list
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257 };
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258
376
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259 typedef enum
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260 {
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261 CYCLE_ADJ = 1,
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262 CYCLE_ESTIMATED = 2
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263 } cycle_flags;
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264
0
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265 struct line_s
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266 {
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267 lw_expr_t addr; // assembly address of the line
142
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diff changeset
268 lw_expr_t daddr; // data address of the line (os9 only)
0
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269 int len; // the "size" this line occupies (address space wise) (-1 if unknown)
142
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270 int dlen; // the data "size" this line occupies (-1 if unknown)
241
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diff changeset
271 int minlen; // minimum length
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diff changeset
272 int maxlen; // maximum length
0
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273 int insn; // number of insn in insn table
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274 int symset; // set if the line symbol was consumed by the instruction
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275 char *sym; // symbol, if any, on the line
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276 unsigned char *output; // output bytes
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277 int outputl; // size of output
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278 int outputbl; // size of output buffer
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
279 int dpval; // direct page value
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
280 int cycle_base; // base instruction cycle count
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
281 int cycle_adj; // cycle adjustment
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
282 int cycle_flags; // cycle flags
380
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 379
diff changeset
283 int genmode; // generation mode (insn_parse_gen0/8/16)
381
e3f4aaa2a4e8 Allow FCB-like syntax after constant in FCC under m80ext
William Astle <lost@l-w.ca>
parents: 380
diff changeset
284 int fcc_extras; // fcc extra bytes
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
285 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
lost@l-w.ca
parents:
diff changeset
286 lwasm_error_t *warn; // list of errors
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
287 lwasm_errorcode_t err_testmode; // error code in testmode
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
288 line_t *prev; // previous line
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
289 line_t *next; // next line
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
290 int inmod; // inside a module?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
291 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
lost@l-w.ca
parents:
diff changeset
292 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
lost@l-w.ca
parents:
diff changeset
293 char *lstr; // string passed forward
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
294 int pb; // pass forward post byte
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
295 int lint; // pass forward integer
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
296 int lint2; // another pass forward integer
377
67373a053c49 Add ?rts target for branch instructions
William Astle <lost@l-w.ca>
parents: 376
diff changeset
297 int conditional_return; // for ?RTS handling (1 if RTS follows)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
298 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
lost@l-w.ca
parents:
diff changeset
299 int pragmas; // pragmas in effect for the line
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
300 int context; // the symbol context number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
301 char *ltext; // line number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
302 char *linespec; // line spec
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
303 int lineno; // line number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
304 int soff; // struct offset (for listings)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
305 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
lost@l-w.ca
parents:
diff changeset
306 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
lost@l-w.ca
parents:
diff changeset
307 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
lost@l-w.ca
parents:
diff changeset
308 struct symtabe *dptr; // symbol value to display
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
309
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
310 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
lost@l-w.ca
parents: 2
diff changeset
311 int noexpand_end; // end of a no-expand block
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 211
diff changeset
312 int hideline; // set if we're going to hide this line on output
474
74d0c394666e Add "noexpandcond" pragma (cleans up listings)
William Astle <lost@l-w.ca>
parents: 473
diff changeset
313 int hidecond; // set if we're going to hide this line due to condition hiding
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
314 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
315
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
316 enum
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
317 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
318 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
lost@l-w.ca
parents:
diff changeset
319 symbol_flag_nocheck = 2, // do not check symbol characters
81
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
Lost Wizard (lost@starbug3)
parents: 73
diff changeset
320 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
321 symbol_flag_nocase = 8, // do not match case of symbol
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
322 symbol_flag_none = 0 // no flags
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
323 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
324
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
325 struct symtabe
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
326 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
327 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
lost@l-w.ca
parents:
diff changeset
328 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
lost@l-w.ca
parents:
diff changeset
329 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
lost@l-w.ca
parents:
diff changeset
330 int flags; // flags for the symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
331 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
lost@l-w.ca
parents:
diff changeset
332 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
333 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
334 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
335 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
lost@l-w.ca
parents:
diff changeset
336 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
337
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
338 typedef struct
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
339 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
340 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
lost@l-w.ca
parents:
diff changeset
341 } symtab_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
342
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
343 typedef struct macrotab_s macrotab_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
344 struct macrotab_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
345 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
346 char *name; // name of macro
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
347 char **lines; // macro lines
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
348 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
349 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
lost@l-w.ca
parents:
diff changeset
350 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
351 line_t *definedat; // the line where the macro definition starts
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
352 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
353
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
354 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
355 {
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
356 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
lost@l-w.ca
parents: 2
diff changeset
357 };
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
358
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
359 typedef struct structtab_s structtab_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
360 typedef struct structtab_field_s structtab_field_t;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
361
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
362 struct structtab_field_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
363 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
364 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
lost@l-w.ca
parents:
diff changeset
365 int size; // structure field size
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
366 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
lost@l-w.ca
parents:
diff changeset
367 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
lost@l-w.ca
parents:
diff changeset
368 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
369
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
370 struct structtab_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
371 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
372 char *name; // name of structure
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
373 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
lost@l-w.ca
parents:
diff changeset
374 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
lost@l-w.ca
parents:
diff changeset
375 structtab_t *next; // next structure
223
211fc8038b8d More unicorn stuff - structs and macros
William Astle <lost@l-w.ca>
parents: 222
diff changeset
376 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
lost@l-w.ca
parents:
diff changeset
377 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
378
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
379 struct asmstate_s
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
380 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
381 int output_format; // output format
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
382 int debug_level; // level of debugging requested
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
383 FILE *debug_file; // FILE * to output debug messages to
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
384 int flags; // assembly flags
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
385 int pragmas; // pragmas currently in effect
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
386 int errorcount; // number of errors encountered
209
52d9dd71f555 Make warning actually work.
William Astle <lost@l-w.ca>
parents: 207
diff changeset
387 int warningcount; // number of warnings issued
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
388 int testmode_errorcount; // number of errors in testmode
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
389 int inmacro; // are we in a macro?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
390 int instruct; // are w in a structure?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
391 int skipcond; // skipping a condition?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
392 int skipcount; // depth of "skipping"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
393 int skipmacro; // are we skipping in a macro?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
394 int endseen; // have we seen an "end" pseudo?
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
395 int execaddr; // address from "end"
432
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 406
diff changeset
396 lw_expr_t execaddr_expr; // address from "end" but as an expression
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
397 int inmod; // inside an os9 module?
210
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
398 int undefzero; // used for handling "condundefzero"
211
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
399 int pretendmax; // set if we need to pretend the instruction is max length
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
400 unsigned char crc[3]; // crc accumulator
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
401 int cycle_total; // cycle count accumulator
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
402 int badsymerr; // throw error on undef sym if set
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
403
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
404 line_t *line_head; // start of lines list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
405 line_t *line_tail; // tail of lines list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
406
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
407 line_t *cl; // current line pointer
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
408
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
409 sectiontab_t *csect; // current section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
410
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
411 int context; // the current "context"
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
412 int nextcontext; // the next available context
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
413
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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414 symtab_t symtab; // meta data for the symbol table
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415 macrotab_t *macros; // macro table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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416 sectiontab_t *sections; // section table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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417 exportlist_t *exportlist; // list of exported symbols
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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418 importlist_t *importlist; // list of imported symbols
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419 char *list_file; // name of file to list to
487
7fbf3171ca15 Add symbol table dump in assembly format
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parents: 484
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420 char *symbol_dump_file; // name of file to dump symbol table to
390
1ebb5a0b2874 Add option to specify tab width in listing
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parents: 386
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421 int tabwidth; // tab width in list file
365
3f8abaac214c Add map file output and option to suppress local symbols in listings
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parents: 361
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422 char *map_file; // name of map file
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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423 char *output_file; // output file name
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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424 lw_stringlist_t input_files; // files to assemble
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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425 void *input_data; // opaque data used by the input system
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426 lw_stringlist_t include_list; // include paths
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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427 lw_stack_t file_dir; // stack of the "current file" dir
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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428 lw_stack_t includelist;
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diff changeset
429
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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430 structtab_t *structs; // defined structures
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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431 structtab_t *cstruct; // current structure
61
ccaecdff3fc2 Make structure definitions not affect current assembly address and fix up cosmetic offset display in listings
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parents: 53
diff changeset
432 lw_expr_t savedaddr; // old address counter before struct started
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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433 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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diff changeset
434 int passno; // set to the current pass number
219
afd50d6b4113 Add --preprocess option
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parents: 211
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435 int preprocess; // set if we are prepocessing
afd50d6b4113 Add --preprocess option
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parents: 211
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436 int fileerr; // flags error opening file
366
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
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parents: 365
diff changeset
437 int exprwidth; // the bit width of the expression being evaluated
442
61580fc48f98 Add option to omit file names from lwasm listings
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parents: 432
diff changeset
438 int listnofile; // nonzero to suppress printing file name in listings
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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439 };
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
440
374
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parents: 370
diff changeset
441 struct symtabe *register_symbol(asmstate_t *as, line_t *cl, char *sym, lw_expr_t value, int flags);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
442 struct symtabe *lookup_symbol(asmstate_t *as, line_t *cl, char *sym);
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
443
384
6ee9c67a0f8d Add conditional for testing if a pragma is in effect
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parents: 382
diff changeset
444 int parse_pragma_helper(char *p);
6ee9c67a0f8d Add conditional for testing if a pragma is in effect
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parents: 382
diff changeset
445
376
35d4213e6657 Add cycle counting to listing
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parents: 375
diff changeset
446 int lwasm_cycle_calc_ind(line_t *cl);
35d4213e6657 Add cycle counting to listing
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parents: 375
diff changeset
447 int lwasm_cycle_calc_rlist(line_t *cl);
35d4213e6657 Add cycle counting to listing
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parents: 375
diff changeset
448 void lwasm_cycle_update_count(line_t *cl, int opc);
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
449
375
71f507f404f1 Add "testmode" pragma
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parents: 374
diff changeset
450 void lwasm_parse_testmode_comment(line_t *cl, lwasm_testflags_t *flags, lwasm_errorcode_t *err, int *len, char **buf);
71f507f404f1 Add "testmode" pragma
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parents: 374
diff changeset
451 void lwasm_error_testmode(line_t *cl, const char* msg, int fatal);
71f507f404f1 Add "testmode" pragma
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parents: 374
diff changeset
452
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
453 void lwasm_register_error(asmstate_t *as, line_t *cl, lwasm_errorcode_t err);
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
454 void lwasm_register_error2(asmstate_t *as, line_t *cl, lwasm_errorcode_t err, const char* fmt, ...);
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
455
374
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
456 int lwasm_next_context(asmstate_t *as);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
457 void lwasm_emit(line_t *cl, int byte);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
458 void lwasm_emitop(line_t *cl, int opc);
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
459
374
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
460 void lwasm_save_expr(line_t *cl, int id, lw_expr_t expr);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
461 lw_expr_t lwasm_fetch_expr(line_t *cl, int id);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
462 lw_expr_t lwasm_parse_expr(asmstate_t *as, char **p);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
463 int lwasm_emitexpr(line_t *cl, lw_expr_t expr, int s);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff changeset
464
399
6153cb49403c Initial commit of pragma newsource
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parents: 390
diff changeset
465 void skip_operand_real(line_t *l, char **p);
6153cb49403c Initial commit of pragma newsource
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parents: 390
diff changeset
466 /* this macro can only be used where "l" is the current line pointer */
6153cb49403c Initial commit of pragma newsource
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parents: 390
diff changeset
467 #define skip_operand(p) skip_operand_real(l, p)
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
468
374
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
469 int lwasm_lookupreg2(const char *rlist, char **p);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
470 int lwasm_lookupreg3(const char *rlist, char **p);
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
471
374
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parents: 370
diff changeset
472 void lwasm_show_errors(asmstate_t *as);
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
473
374
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
474 int lwasm_reduce_expr(asmstate_t *as, lw_expr_t expr);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
475
374
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
476 lw_expr_t lwasm_parse_cond(asmstate_t *as, char **p);
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
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parents: 226
diff changeset
477
374
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
478 int lwasm_calculate_range(asmstate_t *as, lw_expr_t expr, int *min, int *max);
336
30b2bad9b5eb Factor some code for simplifying lines so it can be reused
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parents: 333
diff changeset
479
374
8e25147c2aa8 Clean up various "externs"
William Astle <lost@l-w.ca>
parents: 370
diff changeset
480 void lwasm_reduce_line_exprs(line_t *cl);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
481
338
5d401d1eb3e9 Allow disabling debugging messages.
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parents: 336
diff changeset
482 #ifdef LWASM_NODEBUG
5d401d1eb3e9 Allow disabling debugging messages.
William Astle <lost@l-w.ca>
parents: 336
diff changeset
483 #define debug_message(...)
5d401d1eb3e9 Allow disabling debugging messages.
William Astle <lost@l-w.ca>
parents: 336
diff changeset
484 #define dump_state(...)
5d401d1eb3e9 Allow disabling debugging messages.
William Astle <lost@l-w.ca>
parents: 336
diff changeset
485 #else
374
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parents: 370
diff changeset
486 void real_debug_message(asmstate_t *as, int level, const char *fmt, ...);
8e25147c2aa8 Clean up various "externs"
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parents: 370
diff changeset
487 void dump_state(asmstate_t *as);
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
488
338
5d401d1eb3e9 Allow disabling debugging messages.
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parents: 336
diff changeset
489 #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)
5d401d1eb3e9 Allow disabling debugging messages.
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parents: 336
diff changeset
490 #endif
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
491
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
492 #define OPLEN(op) (((op)>0xFF)?2:1)
101
ed7f970f3688 Added --define= option to predfine a symbol for assembly
lost@l-w.ca
parents: 81
diff changeset
493 #define CURPRAGMA(l,p) (((l) && ((l)->pragmas & (p))) ? 1 : 0)
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
494
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 390
diff changeset
495 /* some functions for parsing */
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 390
diff changeset
496 /* skip to the start of the next token if the current parsing mode allows it */
6153cb49403c Initial commit of pragma newsource
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parents: 390
diff changeset
497 void lwasm_skip_to_next_token(line_t *cl, char **p);
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 390
diff changeset
498
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
499 #endif /* ___lwasm_h_seen___ */