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annotate lwasm/pass1.c @ 273:1409debcb1a0

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Fix crash on listing when nested noexpand macros are used Macros flagged noexpand were causing a segfault during listing. The problem was incorrect accounting for nesting levels for noexpand macros causing the listing handler to fall off the end of the program in certain circumstances and in other circumstances it would fail to suppress expansion. Both the segfault in the case of misbehaviour and the misbhaviour itself are corrected with this update. If you do not use nested noexpand macros, this bug has no effect.
author William Astle <lost@l-w.ca>
date Sat, 25 May 2013 13:35:46 -0600
parents 3604d0ef06c6
children 9f7889139b06
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 pass1.c
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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 #include <stdio.h>
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23 #include <string.h>
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24 #include <ctype.h>
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25 #include <stdlib.h>
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26
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27 #include <lw_alloc.h>
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28 #include <lw_string.h>
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29
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30 #include "lwasm.h"
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31 #include "instab.h"
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32 #include "input.h"
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33
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34 extern int expand_macro(asmstate_t *as, line_t *l, char **p, char *opc);
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35 extern int expand_struct(asmstate_t *as, line_t *l, char **p, char *opc);
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36 extern int add_macro_line(asmstate_t *as, char *optr);
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37
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38 /*
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39 pass 1: parse the lines
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40
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41 line format:
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42
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43 [<symbol>] <opcode> <operand>[ <comment>]
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44
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45 If <symbol> is followed by a :, whitespace may precede the symbol
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46
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47 A line may optionally start with a number which must not be preceded by
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48 white space and must be followed by a single whitespace character. After
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49 that whitespace character, the line is parsed as if it had no line number.
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50
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51 */
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52 void do_pass1(asmstate_t *as)
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53 {
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54 char *line;
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55 line_t *cl;
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56 char *p1;
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57 int stspace;
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58 char *tok, *sym = NULL;
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59 int opnum;
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60 int lc = 1;
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61 int nomacro;
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62
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63 for (;;)
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64 {
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65 nomacro = 0;
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66 if (sym)
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67 lw_free(sym);
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68 sym = NULL;
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69 line = input_readline(as);
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70 if (!line)
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71 break;
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72 if (line[0] == 1 && line[1] == 1)
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73 {
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74 // special internal directive
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75 // these DO NOT appear in the output anywhere
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76 // they are generated by the parser to pass information
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77 // forward
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78 for (p1 = line + 2; *p1 && !isspace(*p1); p1++)
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79 /* do nothing */ ;
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80 *p1++ = '\0';
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81 if (!strcmp(line + 2, "SETCONTEXT"))
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82 {
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83 as -> context = strtol(p1, NULL, 10);
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84 }
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85 else if (!strcmp(line + 2, "SETLINENO"))
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86 {
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87 lc = strtol(p1, NULL, 10);
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88 }
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89 else if (!strcmp(line + 2, "SETNOEXPANDSTART"))
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90 {
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91 as -> line_tail -> noexpand_start += 1;
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92 }
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93 else if (!strcmp(line + 2, "SETNOEXPANDEND"))
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94 {
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95 as -> line_tail -> noexpand_end += 1;
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96 }
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97 lw_free(line);
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98 if (lc == 0)
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99 lc = 1;
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100 continue;
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101 }
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102 debug_message(as, 75, "Read line: %s", line);
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103
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104 cl = lw_alloc(sizeof(line_t));
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105 memset(cl, 0, sizeof(line_t));
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106 cl -> outputl = -1;
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107 cl -> linespec = lw_strdup(input_curspec(as));
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108 cl -> prev = as -> line_tail;
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109 cl -> insn = -1;
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110 cl -> as = as;
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111 cl -> inmod = as -> inmod;
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112 cl -> csect = as -> csect;
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113 cl -> pragmas = as -> pragmas;
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114 cl -> context = as -> context;
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115 cl -> ltext = lw_strdup(line);
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116 cl -> soff = -1;
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117 cl -> dshow = -1;
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118 cl -> dsize = 0;
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119 cl -> dptr = NULL;
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120 cl -> isbrpt = 0;
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121 cl -> dlen = 0;
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122 as -> cl = cl;
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123 if (!as -> line_tail)
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124 {
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125 as -> line_head = cl;
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126 cl -> addr = lw_expr_build(lw_expr_type_int, 0);
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127 cl -> daddr = lw_expr_build(lw_expr_type_int, 0);
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128 }
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129 else
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130 {
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131 lw_expr_t te;
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132
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133 cl -> lineno = as -> line_tail -> lineno + 1;
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134 as -> line_tail -> next = cl;
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135
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136 // set the line address
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
137 te = lw_expr_build(lw_expr_type_special, lwasm_expr_linelen, cl -> prev);
2c24602be78f 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 cl -> addr = lw_expr_build(lw_expr_type_oper, lw_expr_oper_plus, cl -> prev -> addr, te);
2c24602be78f 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 lw_expr_destroy(te);
2c24602be78f 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 lwasm_reduce_expr(as, cl -> addr);
2c24602be78f 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 // lw_expr_simplify(cl -> addr, as);
2c24602be78f 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
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
143 // set the data address if relevant
166
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
144 if (as -> output_format == OUTPUT_OS9)
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
145 {
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
146 te = lw_expr_build(lw_expr_type_special, lwasm_expr_linedlen, cl -> prev);
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
147 cl -> daddr = lw_expr_build(lw_expr_type_oper, lw_expr_oper_plus, cl -> prev -> daddr, te);
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
148 lw_expr_destroy(te);
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
149 lwasm_reduce_expr(as, cl -> daddr);
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
150 }
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
151 else
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
152 {
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
153 cl -> daddr = lw_expr_copy(cl -> addr);
324f28905144 Fixed problem with rmb, etc., not working right wrt line address when not in os9 mode
lost@l-w.ca
parents: 147
diff changeset
154 }
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
155
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
156 // carry DP value 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
157 cl -> dpval = cl -> prev -> dpval;
2c24602be78f 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 }
2c24602be78f 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 if (!lc && strcmp(cl -> linespec, cl -> prev -> linespec))
2c24602be78f 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 lc = 1;
2c24602be78f 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 if (lc)
2c24602be78f 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 {
40
d96037ea0b80 Fixed line number counting being broken by macros
lost@l-w.ca
parents: 2
diff changeset
164 cl -> lineno = lc;
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
165 lc = 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
166 }
2c24602be78f 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 as -> line_tail = cl;
2c24602be78f 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 // blank lines don't count for anything
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
169 // except a local symbol context break
2c24602be78f 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 if (!*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
171 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
172 as -> context = lwasm_next_context(as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
173 goto nextline;
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f 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 // skip comments
2c24602be78f 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 // commends do not create a context break
2c24602be78f 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 if (*line == '*' || *line == ';' || *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
179 goto nextline;
2c24602be78f 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
2c24602be78f 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 p1 = 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
182 if (isdigit(*p1))
2c24602be78f 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 {
2c24602be78f 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 // skip 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
185 while (*p1 && isdigit(*p1))
2c24602be78f 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 p1++;
2c24602be78f 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 if (!*p1 && !isspace(*p1))
2c24602be78f 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 p1 = 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
189 else if (*p1 && !isspace(*p1))
2c24602be78f 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 p1 = 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
191 else if (*p1 && isspace(*p1))
2c24602be78f 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 p1++;
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f 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 // blank line - context break
2c24602be78f 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 if (!*p1)
2c24602be78f 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 {
2c24602be78f 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 as -> context = lwasm_next_context(as);
2c24602be78f 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 goto nextline;
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f 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 // comment - no context break
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
203 if (*p1 == '*' || *p1 == ';' || *p1 == '#')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
204 goto nextline;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
205
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
206 if (isspace(*p1))
2c24602be78f 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 for (; *p1 && isspace(*p1); p1++)
2c24602be78f 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 /* do nothing */ ;
2c24602be78f 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 stspace = 1;
2c24602be78f 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 }
2c24602be78f 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 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
213 stspace = 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
214
85
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 59
diff changeset
215 // if (*p1 == '*' || *p1 == ';' || *p1 == '#')
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 59
diff changeset
216 // goto nextline;
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
217 if (!*p1)
2c24602be78f 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 {
2c24602be78f 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 // nothing but whitespace - context break
2c24602be78f 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 as -> context = lwasm_next_context(as);
2c24602be78f 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 goto nextline;
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f 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 // find the end of the first token
2c24602be78f 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 for (tok = p1; *p1 && !isspace(*p1) && *p1 != ':' && *p1 != '='; p1++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
226 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
227
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
228 if (*p1 == ':' || *p1 == '=' || stspace == 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 {
85
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 59
diff changeset
230 if (*tok == '*' || *tok == ';' || *tok == '#')
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 59
diff changeset
231 goto nextline;
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
232 // have a symbol here
2c24602be78f 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 sym = lw_strndup(tok, p1 - tok);
2c24602be78f 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 if (*p1 == ':')
2c24602be78f 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 p1++;
2c24602be78f 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 for (; *p1 && isspace(*p1); p1++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
237 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
238
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
239 if (*p1 == '=')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
240 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
241 tok = p1++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
242 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
243 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
244 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
245 for (tok = p1; *p1 && !isspace(*p1); p1++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
246 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
247 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
248 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
249 if (sym && strcmp(sym, "!") == 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
250 cl -> isbrpt = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
251 else if (sym)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
252 cl -> sym = lw_strdup(sym);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
253 cl -> symset = 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
254
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
255 // tok points to the opcode for the line or NUL if none
59
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
256
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
257 // if the first two chars of the opcode are "??", that's
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
258 // a flag to inhibit macro expansion
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
259 if (*tok && tok[0] == '?' && tok[1] == '?')
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
260 {
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
261 nomacro = 1;
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
262 tok += 2;
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
263 }
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
264 if (*tok)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
265 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
266 // look up operation code
93
5bf9edabd661 Squashed the remaining memory leaks revealed by valgrind
lost@l-w.ca
parents: 85
diff changeset
267 lw_free(sym);
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
268 sym = lw_strndup(tok, p1 - tok);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
269 for (; *p1 && isspace(*p1); p1++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
270 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
271
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
272 for (opnum = 0; instab[opnum].opcode; opnum++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
273 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
274 if (!strcasecmp(instab[opnum].opcode, sym))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
275 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
276 }
212
b0d53e2f3f53 Make --6309/--6809 work properly
William Astle <lost@l-w.ca>
parents: 171
diff changeset
277 if ((as -> target != TARGET_6309) && (instab[opnum].flags & lwasm_insn_is6309))
171
d59f17580e8b Actually check for 6309 instructions when in 6809 mode. Thanks to adamgr on IRC for finding the problem.
lost@l-w.ca
parents: 166
diff changeset
278 lwasm_register_error(as, cl, "Illegal use of 6309 instruction in 6809 mode (%s)", sym);
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
279
107
b3557f8325f7 Fixed bug with symbol on a line with a comment not getting registered
lost@l-w.ca
parents: 93
diff changeset
280 // have to go to linedone here in case there was a symbol
b3557f8325f7 Fixed bug with symbol on a line with a comment not getting registered
lost@l-w.ca
parents: 93
diff changeset
281 // to register on this line
85
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 59
diff changeset
282 if (instab[opnum].opcode == NULL && (*tok == '*' || *tok == ';' || *tok == '#'))
107
b3557f8325f7 Fixed bug with symbol on a line with a comment not getting registered
lost@l-w.ca
parents: 93
diff changeset
283 goto linedone;
85
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 59
diff changeset
284
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
285 // p1 points to the start of the operand
2c24602be78f 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
2c24602be78f 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 // if we're inside a macro definition and not at ENDM,
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
288 // add the line to the macro definition and continue
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
289 if (as -> inmacro && !(instab[opnum].flags & lwasm_insn_endm))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
290 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
291 add_macro_line(as, 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
292 goto linedone;
2c24602be78f 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
2c24602be78f 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 // if skipping a condition and the operation code doesn'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
296 // operate within a condition (not a conditional)
2c24602be78f 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 // do nothing
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
298 if (as -> skipcond && !(instab[opnum].flags & lwasm_insn_cond))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
299 goto linedone;
2c24602be78f 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
59
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
301 if (!nomacro && (as -> pragmas & PRAGMA_SHADOW))
53
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
302 {
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
303 // check for macros even if they shadow real operations
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
304 // NOTE: "ENDM" cannot be shadowed
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
305 if (expand_macro(as, cl, &p1, sym) == 0)
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
306 {
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
307 // a macro was expanded here
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
308 goto linedone;
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
309 }
cb4efc47ce9d Allow macros to shadow/override builtin operations when the "shadow" pragma is active, which is NOT the default
lost@l-w.ca
parents: 49
diff changeset
310 }
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
311 if (instab[opnum].opcode == NULL)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
312 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
313 cl -> insn = -1;
2c24602be78f 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 if (*tok != ';' && *tok != '*')
2c24602be78f 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 // bad opcode; check for macro here
59
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
317 // but don't expand it if "nomacro" is in effect
1830faeef332 Added ?? prefix for opcode to inhibit macro expansion
lost@l-w.ca
parents: 53
diff changeset
318 if (nomacro || expand_macro(as, cl, &p1, sym) != 0)
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
319 {
2c24602be78f 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 // macro expansion failed
2c24602be78f 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 if (expand_struct(as, cl, &p1, sym) != 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
322 {
2c24602be78f 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 // structure expansion failed
2c24602be78f 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 lwasm_register_error(as, cl, "Bad opcode");
2c24602be78f 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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
326 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
327 }
2c24602be78f 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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
329 else
2c24602be78f 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 cl -> insn = opnum;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
332 // no parse func means operand doesn't matter
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
333 if (instab[opnum].parse)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
334 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
335 if (as -> instruct == 0 || instab[opnum].flags & lwasm_insn_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
336 {
43
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
337 struct line_expr_s *le;
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
338
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
339 cl -> len = -1;
2c24602be78f 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 // call parse function
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
341 debug_message(as, 100, "len = %d, dlen = %d", cl -> len, cl -> dlen);
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
342 (instab[opnum].parse)(as, cl, &p1);
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
343 if ((cl -> inmod == 0) && cl -> len >= 0 && cl -> dlen >= 0)
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
344 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
345 if (cl -> len == 0)
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
346 cl -> len = cl -> dlen;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
347 else
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
348 cl -> dlen = cl -> len;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
349 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
350
147
9cf1796259b2 Fixed segfault in fcb,fdb,fqb with empty operands
lost@l-w.ca
parents: 142
diff changeset
351 if (*p1 && !isspace(*p1) && !(cl -> err))
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
352 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
353 // flag bad operand 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
354 lwasm_register_error(as, cl, "Bad operand (%s)", p1);
2c24602be78f 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 }
43
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
356
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
357 /* do a reduction on the line expressions to avoid carrying excessive expression baggage if not needed */
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
358 as -> cl = cl;
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
359
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
360 // simplify address
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
361 lwasm_reduce_expr(as, cl -> addr);
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
362
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
363 // simplify each expression
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
364 for (le = cl -> exprs; le; le = le -> next)
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
365 lwasm_reduce_expr(as, le -> expr);
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
366
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
367 /* try resolving the instruction as well */
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
368 if (cl -> insn >= 0 && instab[cl -> insn].resolve)
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
369 {
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
370 (instab[cl -> insn].resolve)(as, cl, 0);
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
371 if ((cl -> inmod == 0) && cl -> len >= 0 && cl -> dlen >= 0)
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
372 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
373 if (cl -> len == 0)
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
374 cl -> len = cl -> dlen;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
375 else
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
376 cl -> dlen = cl -> len;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
377 }
43
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
378 }
18b49cf10ae9 Added an instruction reduction immediately after instruction parsing to minimize memory footprint and expression complexity
lost@l-w.ca
parents: 40
diff changeset
379
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
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 else if (as -> instruct == 1)
2c24602be78f 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 {
2c24602be78f 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 lwasm_register_error(as, cl, "Bad operand (%s)", p1);
2c24602be78f 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 }
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f 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 linedone:
2c24602be78f 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 if (!as -> skipcond && !as -> inmacro)
2c24602be78f 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 {
2c24602be78f 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 if (cl -> sym && cl -> symset == 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
393 {
2c24602be78f 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 debug_message(as, 50, "Register symbol %s: %s", cl -> sym, lw_expr_print(cl -> addr));
2c24602be78f 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
2c24602be78f 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 // register symbol at line address
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
397 if (instab[cl -> insn].flags & lwasm_insn_setdata)
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 {
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
399 if (!register_symbol(as, cl, cl -> sym, cl -> daddr, symbol_flag_none))
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
400 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
401 // symbol error
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
402 // lwasm_register_error(as, cl, "Bad symbol '%s'", cl -> sym);
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
403 }
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
404 }
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
405 else
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
406 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
407 if (!register_symbol(as, cl, cl -> sym, cl -> addr, symbol_flag_none))
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
408 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
409 // symbol error
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
410 // lwasm_register_error(as, cl, "Bad symbol '%s'", cl -> sym);
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 107
diff changeset
411 }
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
412 }
2c24602be78f 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 debug_message(as, 40, "Line address: %s", lw_expr_print(cl -> addr));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
415 }
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
416 if (as -> skipcond || as -> inmacro || cl -> ltext[0] == 1)
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
417 cl -> hideline = 1;
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
418
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
419 nextline:
93
5bf9edabd661 Squashed the remaining memory leaks revealed by valgrind
lost@l-w.ca
parents: 85
diff changeset
420 if (sym)
5bf9edabd661 Squashed the remaining memory leaks revealed by valgrind
lost@l-w.ca
parents: 85
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421 lw_free(sym);
5bf9edabd661 Squashed the remaining memory leaks revealed by valgrind
lost@l-w.ca
parents: 85
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422 sym = NULL;
5bf9edabd661 Squashed the remaining memory leaks revealed by valgrind
lost@l-w.ca
parents: 85
diff changeset
423
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
424 lw_free(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
425
220
3604d0ef06c6 Fix thinko in previous commit
William Astle <lost@l-w.ca>
parents: 219
diff changeset
426 if (as -> preprocess && cl -> hideline == 0)
219
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
427 {
afd50d6b4113 Add --preprocess option
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parents: 212
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428 printf("%s\n", cl -> ltext);
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
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429 }
afd50d6b4113 Add --preprocess option
William Astle <lost@l-w.ca>
parents: 212
diff changeset
430
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
431 // if we've hit the "end" bit, finish out
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
432 if (as -> endseen)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
433 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
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434 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
435 }