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annotate lwasm/lwasm.h @ 377:67373a053c49

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Add ?rts target for branch instructions Add a ?rts target for branch instructions, which brances to the nearest RTS or inverts the branch logic to branch around a generated RTS. Activated by a pragma "qrts". Thanks to Erik G <erik@6809.org> for the patch.
author William Astle <lost@l-w.ca>
date Mon, 13 Jul 2015 20:50:02 -0600
parents 35d4213e6657
children d791d47afc48
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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 #include <lw_version.h>
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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 = 1 << 0, // dollar sign does not make a symbol local
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82 PRAGMA_NOINDEX0TONONE = 1 << 1, // do not change implicit 0,R to ,R
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83 PRAGMA_UNDEFEXTERN = 1 << 2, // undefined symbols are considered to be external
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84 PRAGMA_CESCAPES = 1 << 3, // allow C style escapes in fcc, fcs, fcn, etc.
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85 PRAGMA_IMPORTUNDEFEXPORT = 1 << 4, // imports symbol if undefined upon export
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86 PRAGMA_PCASPCR = 1 << 5, // treats ,PC as ,PCR instead of constant offset
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87 PRAGMA_SHADOW = 1 << 6, // allow macros to shadow builtin operations
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88 PRAGMA_NOLIST = 1 << 7, // don't show line in listing
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89 PRAGMA_AUTOBRANCHLENGTH = 1 << 8, // automatically select proper length for relative branches
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90 PRAGMA_EXPORT = 1 << 9, // export symbols by default, unless local
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91 PRAGMA_SYMBOLNOCASE = 1 << 10, // symbols defined under this pragma are matched case insensitively
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92 PRAGMA_CONDUNDEFZERO = 1 << 11, // treat undefined symbols as zero in conditionals during pass 1
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93 PRAGMA_6800COMPAT = 1 << 12, // enable 6800 compatibility opcodes
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94 PRAGMA_FORWARDREFMAX = 1 << 13, // force incomplete references on pass 1 to maximum mode
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95 PRAGMA_6809 = 1 << 14, // 6809/6309 assembly mode
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96 PRAGMA_TESTMODE = 1 << 15, // enable test mode (for internal unit testing)
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97 PRAGMA_C = 1 << 16, // enable cycle counts
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98 PRAGMA_CD = 1 << 17, // enable detailed cycle count
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99 PRAGMA_CT = 1 << 18, // enable cycle count running total
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100 PRAGMA_CC = 1 << 19, // clear cycle count running total
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101 PRAGMA_QRTS = 1 << 20 // enable BRA ?RTS support
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102 };
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103
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104 enum
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105 {
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106 section_flag_bss = 1, // BSS section
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107 section_flag_constant = 2, // constants - no base offset
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108 section_flag_none = 0 // no flags
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109 };
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110
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111 typedef struct reloctab_s reloctab_t;
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112 struct reloctab_s
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113 {
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114 lw_expr_t offset; // offset of relocation
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115 int size; // size of relocation
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116 lw_expr_t expr; // relocation expression
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117 reloctab_t *next;
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118 };
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119
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120 typedef struct sectiontab_s sectiontab_t;
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121 struct sectiontab_s
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122 {
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123 char *name; // section name
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124 int flags; // section flags;
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125 lw_expr_t offset; // offset for next instance
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126 int oblen; // size of section output
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127 int obsize; // size of output buffer
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128 unsigned char *obytes; // output buffer
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129 reloctab_t *reloctab; // table of relocations
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130 sectiontab_t *next;
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131 };
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132
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133 typedef enum
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134 {
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135 TF_EMIT = 1,
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136 TF_ERROR = 2
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137 } lwasm_testflags_t;
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138
370
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139 typedef enum
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140 {
375
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141 E_6309_INVALID = 1,
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142 E_6809_INVALID = 2,
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143 E_ALIGNMENT_INVALID = 3,
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144 E_BITNUMBER_UNRESOLVED = 4,
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145 E_BITNUMBER_INVALID = 5,
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146 E_BYTE_OVERFLOW = 6,
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147 E_CONDITION_P1 = 7,
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148 E_DIRECTIVE_OS9_ONLY = 8,
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149 E_DIV0 = 9,
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150 E_EXEC_ADDRESS = 10,
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151 E_FILL_INVALID = 11,
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152 E_IMMEDIATE_INVALID = 12,
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153 E_IMMEDIATE_UNRESOLVED = 13,
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154 E_EXPRESSION_BAD = 14,
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155 E_EXPRESSION_NOT_CONST = 15,
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156 E_EXPRESSION_NOT_RESOLVED = 16,
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157 E_FILE_OPEN = 17,
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158 E_FILENAME_MISSING = 18,
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159 E_INSTRUCTION_FAILED = 19,
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160 E_INSTRUCTION_SECTION = 20,
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161 E_LINE_ADDRESS = 21,
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162 E_LINED_ADDRESS = 22,
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163 E_MACRO_DUPE = 23,
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164 E_MACRO_ENDM = 24,
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165 E_MACRO_NONAME = 25,
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166 E_MACRO_RECURSE = 26,
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167 E_MODULE_IN = 27,
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168 E_MODULE_NOTIN = 28,
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169 E_NEGATIVE_BLOCKSIZE = 29,
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170 E_NEGATIVE_RESERVATION = 30,
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171 E_NW_8 = 31,
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172 E_OPCODE_BAD = 32,
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173 E_OPERAND_BAD = 33,
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174 E_OBJTARGET_ONLY = 34,
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175 E_PADDING_BAD = 35,
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176 E_PRAGMA_UNRECOGNIZED = 36,
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177 E_REGISTER_BAD = 37,
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178 E_SECTION_END = 38,
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179 E_SECTION_EXTDEP = 39,
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180 E_SECTION_FLAG = 40,
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181 E_SECTION_NAME = 41,
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182 E_SECTION_TARGET = 42,
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183 E_SETDP_INVALID = 43,
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184 E_SETDP_NOT_CONST = 44,
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185 E_STRING_BAD = 45,
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186 E_STRUCT_DUPE = 46,
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187 E_STRUCT_NONAME = 47,
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188 E_STRUCT_NOSYMBOL = 48,
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189 E_STRUCT_RECURSE = 49,
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190 E_SYMBOL_BAD = 50,
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191 E_SYMBOL_DUPE = 51,
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192 E_SYMBOL_MISSING = 52,
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193 E_SYMBOL_UNDEFINED = 53,
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194 E_SYMBOL_UNDEFINED_EXPORT = 54,
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195 E_UNKNOWN_OPERATION = 55,
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196 E_USER_SPECIFIED = 56,
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197
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198 /* warnings must be 1000 or greater */
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199
375
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200 W_DUPLICATE_SECTION = 1000,
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201 W_ENDSTRUCT_WITHOUT = 1001,
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202 W_NOT_SUPPORTED = 1002,
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203 W_USER_SPECIFIED = 1003
370
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204 } lwasm_errorcode_t;
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205
0
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206 typedef struct lwasm_error_s lwasm_error_t;
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207 struct lwasm_error_s
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208 {
370
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209 lwasm_errorcode_t code; // error code
0
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210 char *mess; // actual error message
226
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211 int charpos; // character position on line where parsing stopped
0
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212 lwasm_error_t *next; // ptr to next error
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213 };
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214
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215 struct line_expr_s
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216 {
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217 lw_expr_t expr;
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218 int id;
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219 struct line_expr_s *next;
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220 };
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221
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222 typedef struct line_s line_t;
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223
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224 typedef struct exportlist_s exportlist_t;
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225 struct exportlist_s
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226 {
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227 char *symbol; // symbol to export
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228 struct symtabe *se; // symbol table entry
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229 line_t *line; // line the export is on
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230 exportlist_t *next; // next in the export list
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231 };
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232
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233 typedef struct importlist_s importlist_t;
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234 struct importlist_s
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235 {
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236 char *symbol; // symbol to import
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237 importlist_t *next; // next in the import list
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238 };
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239
376
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240 typedef enum
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241 {
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242 CYCLE_ADJ = 1,
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243 CYCLE_ESTIMATED = 2
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244 } cycle_flags;
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245
0
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246 struct line_s
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247 {
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248 lw_expr_t addr; // assembly address of the line
142
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249 lw_expr_t daddr; // data address of the line (os9 only)
0
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250 int len; // the "size" this line occupies (address space wise) (-1 if unknown)
142
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251 int dlen; // the data "size" this line occupies (-1 if unknown)
241
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252 int minlen; // minimum length
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253 int maxlen; // maximum length
0
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254 int insn; // number of insn in insn table
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255 int symset; // set if the line symbol was consumed by the instruction
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256 char *sym; // symbol, if any, on the line
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257 unsigned char *output; // output bytes
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258 int outputl; // size of output
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259 int outputbl; // size of output buffer
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260 int dpval; // direct page value
376
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261 int cycle_base; // base instruction cycle count
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262 int cycle_adj; // cycle adjustment
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263 int cycle_flags; // cycle flags
0
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264 lwasm_error_t *err; // list of errors
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265 lwasm_error_t *warn; // list of errors
375
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266 lwasm_errorcode_t err_testmode; // error code in testmode
0
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267 line_t *prev; // previous line
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268 line_t *next; // next line
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269 int inmod; // inside a module?
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270 sectiontab_t *csect; // which section are we in?
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271 struct line_expr_s *exprs; // expressions used during parsing
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272 char *lstr; // string passed forward
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273 int pb; // pass forward post byte
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274 int lint; // pass forward integer
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275 int lint2; // another pass forward integer
377
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diff changeset
276 int conditional_return; // for ?RTS handling (1 if RTS follows)
0
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277 asmstate_t *as; // assembler state data ptr
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278 int pragmas; // pragmas in effect for the line
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parents:
diff changeset
279 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
280 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
281 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
282 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
283 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
284 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
285 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
286 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
287 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
288
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
289 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
290 int noexpand_end; // end of a no-expand block
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 211
diff changeset
291 int hideline; // set if we're going to hide this line on output
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
292 };
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
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 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
295 {
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 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
297 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
298 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
299 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
300 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
301 };
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
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 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
304 {
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 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
306 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
307 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
308 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
309 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
310 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
311 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
312 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
313 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
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 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
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 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
319 } 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
320
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
321 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
322 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
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 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
325 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
326 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
327 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
328 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
329 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
330 };
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
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
332 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
333 {
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
334 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
335 };
bd8b3fbd1e28 Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents: 2
diff changeset
336
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
337 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
338 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
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 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
341 {
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 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
343 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
344 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
345 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
346 };
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
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 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
349 {
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 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
351 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
352 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
353 structtab_t *next; // next structure
223
211fc8038b8d More unicorn stuff - structs and macros
William Astle <lost@l-w.ca>
parents: 222
diff changeset
354 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
355 };
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
356
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
357 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
358 {
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 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
360 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
361 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
362 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
363 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
364 int errorcount; // number of errors encountered
209
52d9dd71f555 Make warning actually work.
William Astle <lost@l-w.ca>
parents: 207
diff changeset
365 int warningcount; // number of warnings issued
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
366 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
367 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
368 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
369 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
370 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
371 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
372 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
373 int execaddr; // address from "end"
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 int inmod; // inside an os9 module?
210
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
375 int undefzero; // used for handling "condundefzero"
211
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
376 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
377 unsigned char crc[3]; // crc accumulator
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
378 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
379 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
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 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
382 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
383
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 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
385
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 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
387
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
388 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
389 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
390
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 symtab_t symtab; // meta data for the 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
392 macrotab_t *macros; // macro 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
393 sectiontab_t *sections; // section 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
394 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
lost@l-w.ca
parents:
diff changeset
395 importlist_t *importlist; // list of imported symbols
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
396 char *list_file; // name of file to list to
365
3f8abaac214c Add map file output and option to suppress local symbols in listings
William Astle <lost@l-w.ca>
parents: 361
diff changeset
397 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
lost@l-w.ca
parents:
diff changeset
398 char *output_file; // output file name
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
399 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
lost@l-w.ca
parents:
diff changeset
400 void *input_data; // opaque data used by the input system
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
401 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
lost@l-w.ca
parents:
diff changeset
402 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
lost@l-w.ca
parents:
diff changeset
403 lw_stack_t includelist;
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
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 structtab_t *structs; // defined structures
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 structtab_t *cstruct; // current structure
61
ccaecdff3fc2 Make structure definitions not affect current assembly address and fix up cosmetic offset display in listings
lost@l-w.ca
parents: 53
diff changeset
407 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
lost@l-w.ca
parents:
diff changeset
408 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
lost@l-w.ca
parents: 61
diff changeset
409 int passno; // set to the current pass number
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 211
diff changeset
410 int preprocess; // set if we are prepocessing
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 211
diff changeset
411 int fileerr; // flags error opening file
366
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 365
diff changeset
412 int exprwidth; // the bit width of the expression being evaluated
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
413 };
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
414
374
8e25147c2aa8 Clean up various "externs"
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415 struct symtabe *register_symbol(asmstate_t *as, line_t *cl, char *sym, lw_expr_t value, int flags);
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416 struct symtabe *lookup_symbol(asmstate_t *as, line_t *cl, char *sym);
0
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417
376
35d4213e6657 Add cycle counting to listing
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418 int lwasm_cycle_calc_ind(line_t *cl);
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419 int lwasm_cycle_calc_rlist(line_t *cl);
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420 void lwasm_cycle_update_count(line_t *cl, int opc);
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421
375
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422 void lwasm_parse_testmode_comment(line_t *cl, lwasm_testflags_t *flags, lwasm_errorcode_t *err, int *len, char **buf);
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423 void lwasm_error_testmode(line_t *cl, const char* msg, int fatal);
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424
370
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425 void lwasm_register_error(asmstate_t *as, line_t *cl, lwasm_errorcode_t err);
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426 void lwasm_register_error2(asmstate_t *as, line_t *cl, lwasm_errorcode_t err, const char* fmt, ...);
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427
374
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428 int lwasm_next_context(asmstate_t *as);
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429 void lwasm_emit(line_t *cl, int byte);
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430 void lwasm_emitop(line_t *cl, int opc);
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431
374
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432 void lwasm_save_expr(line_t *cl, int id, lw_expr_t expr);
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433 lw_expr_t lwasm_fetch_expr(line_t *cl, int id);
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434 lw_expr_t lwasm_parse_expr(asmstate_t *as, char **p);
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435 int lwasm_emitexpr(line_t *cl, lw_expr_t expr, int s);
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436
374
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437 void skip_operand(char **p);
0
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438
374
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diff changeset
439 int lwasm_lookupreg2(const char *rlist, char **p);
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440 int lwasm_lookupreg3(const char *rlist, char **p);
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441
374
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442 void lwasm_show_errors(asmstate_t *as);
0
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443
374
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444 int lwasm_reduce_expr(asmstate_t *as, lw_expr_t expr);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
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parents: 0
diff changeset
445
374
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diff changeset
446 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
447
374
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diff changeset
448 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
449
374
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diff changeset
450 void lwasm_reduce_line_exprs(line_t *cl);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
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parents: 0
diff changeset
451
338
5d401d1eb3e9 Allow disabling debugging messages.
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parents: 336
diff changeset
452 #ifdef LWASM_NODEBUG
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diff changeset
453 #define debug_message(...)
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diff changeset
454 #define dump_state(...)
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diff changeset
455 #else
374
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diff changeset
456 void real_debug_message(asmstate_t *as, int level, const char *fmt, ...);
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parents: 370
diff changeset
457 void dump_state(asmstate_t *as);
0
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diff changeset
458
338
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diff changeset
459 #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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diff changeset
460 #endif
0
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461
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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462 #define OPLEN(op) (((op)>0xFF)?2:1)
101
ed7f970f3688 Added --define= option to predfine a symbol for assembly
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diff changeset
463 #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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464
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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465 #endif /* ___lwasm_h_seen___ */