Mercurial > hg > index.cgi
annotate lwasm/lwasm.h @ 366:433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
This is a horrible hack. Add a quick and dirty context to expression parsing
so that it knows whether an 8 bit or 16 bit complement is required. The 8
bit complement will just discard anything above bit 7. When returning an
operator back with lwasm_whichop(), the result will still be "COM" which
should allow other things to keep working as they already do.
This does prevent byte overflows when the complement operator is used,
however, and since those were introduced, there were problems building
Nitros9 among other things. This fix allows Nitros9 to build again.
author | William Astle <lost@l-w.ca> |
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date | Tue, 02 Jun 2015 20:58:14 -0600 |
parents | 3f8abaac214c |
children | c6d2a1f54e0c |
rev | line source |
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0
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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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33 |
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34 // these are allowed chars BELOW 0x80 for symbols |
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35 // first is symbol start chars, second is anywhere in symbol |
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36 #define SSYMCHARS "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_@$" |
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37 #define SYMCHARS SSYMCHARS ".?0123456789" |
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38 |
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39 typedef struct asmstate_s asmstate_t; |
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40 |
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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_target_e |
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67 { |
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68 TARGET_6309 = 0, // target 6309 CPU |
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69 TARGET_6809 // target 6809 CPU (no 6309 ops) |
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70 }; |
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71 |
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72 enum lwasm_flags_e |
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73 { |
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74 FLAG_LIST = 0x0001, |
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75 FLAG_DEPEND = 0x0002, |
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76 FLAG_SYMBOLS = 0x004, |
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77 FLAG_DEPENDNOERR = 0x0008, |
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78 FLAG_UNICORNS = 0x0010, |
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79 FLAG_MAP = 0x0020, |
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80 FLAG_SYMBOLS_NOLOCALS = 0x0040, |
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81 FLAG_NONE = 0 |
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82 }; |
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83 |
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84 enum lwasm_pragmas_e |
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85 { |
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86 PRAGMA_NONE = 0, // no pragmas in effect |
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87 PRAGMA_DOLLARNOTLOCAL = 0x0001, // dollar sign does not make a symbol local |
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88 PRAGMA_NOINDEX0TONONE = 0x0002, // do not change implicit 0,R to ,R |
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89 PRAGMA_UNDEFEXTERN = 0x0004, // undefined symbols are considered to be external |
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90 PRAGMA_CESCAPES = 0x0008, // allow C style escapes in fcc, fcs, fcn, etc. |
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91 PRAGMA_IMPORTUNDEFEXPORT = 0x0010, // imports symbol if undefined upon export |
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92 PRAGMA_PCASPCR = 0x0020, // treats ,PC as ,PCR instead of constant offset |
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93 PRAGMA_SHADOW = 0x0040, // allow macros to shadow builtin operations |
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94 PRAGMA_NOLIST = 0x0080, // don't show line in listing |
206 | 95 PRAGMA_AUTOBRANCHLENGTH = 0x0100, // automatically select proper length for relative branches |
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96 PRAGMA_EXPORT = 0x0200, // export symbols by default, unless local |
210 | 97 PRAGMA_SYMBOLNOCASE = 0x400, // symbols defined under this pragma are matched case insensitively |
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98 PRAGMA_CONDUNDEFZERO = 0x800, // treat undefined symbols as zero in conditionals during pass 1 |
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99 PRAGMA_6800COMPAT = 0x1000, // enable 6800 compatibility opcodes |
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100 PRAGMA_FORWARDREFMAX = 0x2000 // force incomplete references on pass 1 to maximum mode |
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101 }; |
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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 |
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
|
116 lw_expr_t expr; // relocation expression |
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
|
117 reloctab_t *next; |
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
|
118 }; |
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
|
119 |
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
|
120 typedef struct sectiontab_s sectiontab_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
|
121 struct sectiontab_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
|
122 { |
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
|
123 char *name; // section 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
|
124 int flags; // section 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
|
125 lw_expr_t offset; // offset for next instance |
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
|
126 int oblen; // size of section output |
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
|
127 int obsize; // 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
|
128 unsigned char *obytes; // 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
|
129 reloctab_t *reloctab; // table of relocations |
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
|
130 sectiontab_t *next; |
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
|
131 }; |
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
|
132 |
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
|
133 typedef struct lwasm_error_s lwasm_error_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
|
134 struct lwasm_error_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
|
135 { |
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
|
136 char *mess; // actual error message |
226
7c2c2239ec9c
Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents:
223
diff
changeset
|
137 int charpos; // character position on line where parsing stopped |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
138 lwasm_error_t *next; // ptr to next error |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
139 }; |
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
|
140 |
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
|
141 struct line_expr_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
|
142 { |
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
|
143 lw_expr_t expr; |
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
|
144 int id; |
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
|
145 struct line_expr_s *next; |
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
|
146 }; |
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
|
147 |
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
|
148 typedef struct line_s line_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
|
149 |
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
|
150 typedef struct exportlist_s exportlist_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
|
151 struct exportlist_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
|
152 { |
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
|
153 char *symbol; // symbol to export |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
154 struct symtabe *se; // symbol table 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
|
155 line_t *line; // line the export is on |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
156 exportlist_t *next; // next in the export list |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
157 }; |
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
|
158 |
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
|
159 typedef struct importlist_s importlist_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
|
160 struct importlist_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
|
161 { |
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
|
162 char *symbol; // symbol to import |
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
|
163 importlist_t *next; // next in the import list |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
164 }; |
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
|
165 |
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
|
166 struct line_s |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
167 { |
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
|
168 lw_expr_t addr; // assembly address of the line |
142
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
115
diff
changeset
|
169 lw_expr_t daddr; // data address of the line (os9 only) |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
170 int len; // the "size" this line occupies (address space wise) (-1 if unknown) |
142
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
115
diff
changeset
|
171 int dlen; // the data "size" this line occupies (-1 if unknown) |
241
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
226
diff
changeset
|
172 int minlen; // minimum length |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
226
diff
changeset
|
173 int maxlen; // maximum 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
|
174 int insn; // number of insn in insn table |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
175 int symset; // set if the line symbol was consumed by the instruction |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
176 char *sym; // symbol, if any, on the line |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
177 unsigned char *output; // output bytes |
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
|
178 int outputl; // size of output |
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
|
179 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
|
180 int dpval; // direct page 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
|
181 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
|
182 lwasm_error_t *warn; // list of errors |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
183 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
|
184 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
|
185 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
|
186 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
|
187 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
|
188 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
|
189 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
|
190 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
|
191 int lint2; // another 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
|
192 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
|
193 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
|
194 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
|
195 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
|
196 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
|
197 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
|
198 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
|
199 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
|
200 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
|
201 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
|
202 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
|
203 |
bd8b3fbd1e28
Added ability to flag macros as "noexpand" so they are not expanded in the listing
lost@l-w.ca
parents:
2
diff
changeset
|
204 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
|
205 int noexpand_end; // end of a no-expand block |
219 | 206 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
|
207 }; |
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
|
208 |
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
|
209 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
|
210 { |
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
|
211 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
|
212 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
|
213 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
|
214 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
|
215 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
|
216 }; |
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
|
217 |
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
|
218 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
|
219 { |
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
|
220 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
|
221 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
|
222 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
|
223 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
|
224 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
|
225 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
|
226 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
|
227 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
|
228 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
|
229 }; |
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
|
230 |
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
|
231 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
|
232 { |
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
|
233 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
|
234 } 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
|
235 |
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
|
236 typedef struct macrotab_s macrotab_t; |
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237 struct macrotab_s |
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238 { |
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239 char *name; // name of macro |
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240 char **lines; // macro lines |
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241 int numlines; // number lines in macro |
49
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Added ability to flag macros as "noexpand" so they are not expanded in the listing
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242 int flags; // flags for the macro |
0
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243 macrotab_t *next; // next macro in list |
222
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Add --unicorns option for IDE integration
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219
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244 line_t *definedat; // the line where the macro definition starts |
0
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245 }; |
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246 |
49
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247 enum |
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248 { |
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249 macro_noexpand = 1 // set to not expland the macro by default in listing |
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250 }; |
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251 |
0
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252 typedef struct structtab_s structtab_t; |
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253 typedef struct structtab_field_s structtab_field_t; |
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254 |
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255 struct structtab_field_s |
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256 { |
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257 char *name; // structure field name - NULL for anonymous |
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258 int size; // structure field size |
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259 structtab_t *substruct; // sub structure if there is one |
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260 structtab_field_t *next; // next field entry |
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261 }; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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262 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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263 struct structtab_s |
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264 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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265 char *name; // name of structure |
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266 int size; // number of bytes taken by struct |
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267 structtab_field_t *fields; // fields in the structure |
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268 structtab_t *next; // next structure |
223
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269 line_t *definedat; // line where structure is defined |
0
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270 }; |
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271 |
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272 struct asmstate_s |
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273 { |
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274 int output_format; // output format |
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275 int target; // assembly target |
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276 int debug_level; // level of debugging requested |
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277 FILE *debug_file; // FILE * to output debug messages to |
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278 int flags; // assembly flags |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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279 int pragmas; // pragmas currently in effect |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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280 int errorcount; // number of errors encountered |
209 | 281 int warningcount; // number of warnings issued |
0
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282 int inmacro; // are we in a macro? |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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283 int instruct; // are w in a structure? |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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284 int skipcond; // skipping a condition? |
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285 int skipcount; // depth of "skipping" |
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286 int skipmacro; // are we skipping in a macro? |
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287 int endseen; // have we seen an "end" pseudo? |
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288 int execaddr; // address from "end" |
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289 int inmod; // inside an os9 module? |
210 | 290 int undefzero; // used for handling "condundefzero" |
211
6f2e18f1fe67
Improve autobranchlength pragma
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210
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291 int pretendmax; // set if we need to pretend the instruction is max length |
0
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292 unsigned char crc[3]; // crc accumulator |
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293 int badsymerr; // throw error on undef sym if set |
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294 |
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295 line_t *line_head; // start of lines list |
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296 line_t *line_tail; // tail of lines list |
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297 |
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298 line_t *cl; // current line pointer |
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299 |
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300 sectiontab_t *csect; // current section |
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301 |
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302 int context; // the current "context" |
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303 int nextcontext; // the next available context |
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304 |
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305 symtab_t symtab; // meta data for the symbol table |
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306 macrotab_t *macros; // macro table |
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307 sectiontab_t *sections; // section table |
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308 exportlist_t *exportlist; // list of exported symbols |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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309 importlist_t *importlist; // list of imported symbols |
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310 char *list_file; // name of file to list to |
365
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Add map file output and option to suppress local symbols in listings
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311 char *map_file; // name of map file |
0
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312 char *output_file; // output file name |
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313 lw_stringlist_t input_files; // files to assemble |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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314 void *input_data; // opaque data used by the input system |
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315 lw_stringlist_t include_list; // include paths |
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316 lw_stack_t file_dir; // stack of the "current file" dir |
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317 lw_stack_t includelist; |
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318 |
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319 structtab_t *structs; // defined structures |
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320 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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321 lw_expr_t savedaddr; // old address counter before struct started |
0
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322 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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323 int passno; // set to the current pass number |
219 | 324 int preprocess; // set if we are prepocessing |
325 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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326 int exprwidth; // the bit width of the expression being evaluated |
0
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327 }; |
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328 |
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329 #ifndef ___symbol_c_seen___ |
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330 |
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331 extern struct symtabe *register_symbol(asmstate_t *as, line_t *cl, char *sym, lw_expr_t value, int flags); |
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332 extern struct symtabe *lookup_symbol(asmstate_t *as, line_t *cl, char *sym); |
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333 |
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334 #endif |
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335 |
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336 #ifndef ___lwasm_c_seen___ |
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337 |
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338 extern void lwasm_register_error(asmstate_t *as, line_t *cl, const char *msg, ...); |
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339 extern void lwasm_register_warning(asmstate_t *as, line_t *cl, const char *msg, ...); |
226
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Make unicorns grok errors and warnings.
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340 |
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341 extern void lwasm_register_error_n(asmstate_t *as, line_t *cl, char *iptr, const char *msg, ...); |
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342 extern void lwasm_register_warning_n(asmstate_t *as, line_t *cl, char *iptr, const char *msg, ...); |
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343 |
0
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344 extern int lwasm_next_context(asmstate_t *as); |
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345 extern void lwasm_emit(line_t *cl, int byte); |
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346 extern void lwasm_emitop(line_t *cl, int opc); |
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347 |
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348 extern void lwasm_save_expr(line_t *cl, int id, lw_expr_t expr); |
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349 extern lw_expr_t lwasm_fetch_expr(line_t *cl, int id); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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350 extern lw_expr_t lwasm_parse_expr(asmstate_t *as, char **p); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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351 extern int lwasm_emitexpr(line_t *cl, lw_expr_t expr, int s); |
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352 |
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353 extern void skip_operand(char **p); |
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354 |
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355 extern int lwasm_lookupreg2(const char *rlist, char **p); |
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356 extern int lwasm_lookupreg3(const char *rlist, char **p); |
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357 |
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358 extern void lwasm_show_errors(asmstate_t *as); |
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359 |
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360 extern int lwasm_reduce_expr(asmstate_t *as, lw_expr_t expr); |
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361 |
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362 extern lw_expr_t lwasm_parse_cond(asmstate_t *as, char **p); |
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363 |
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364 extern int lwasm_calculate_range(asmstate_t *as, lw_expr_t expr, int *min, int *max); |
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365 |
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366 extern void lwasm_reduce_line_exprs(line_t *cl); |
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367 |
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368 #endif |
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369 |
338
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370 #ifdef LWASM_NODEBUG |
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371 #define debug_message(...) |
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372 #define dump_state(...) |
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373 #else |
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374 extern void real_debug_message(asmstate_t *as, int level, const char *fmt, ...); |
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375 extern void dump_state(asmstate_t *as); |
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376 |
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377 #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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378 #endif |
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379 |
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380 #define OPLEN(op) (((op)>0xFF)?2:1) |
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381 #define CURPRAGMA(l,p) (((l) && ((l)->pragmas & (p))) ? 1 : 0) |
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382 |
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383 #endif /* ___lwasm_h_seen___ */ |