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annotate lwasm/insn_gen.c @ 283:210d261a614d

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Make byte overflow detection for indexing work better There are *two* places where indexed addressing is calculated - lea style instructions and general addressing instructions. Actually check for byte overflows in both places. Also, extend byte overflow checking to all 8 bit offsets from index registers, not just PCR.
author William Astle <lost@l-w.ca>
date Mon, 02 Sep 2013 10:49:57 -0600
parents 67acad9db5b3
children 3afb809c7add
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 /*
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2 insn_gen.c, Copyright © 2009 William Astle
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3
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4 This file is part of LWASM.
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5
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6 LWASM is free software: you can redistribute it and/or modify it under the
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7 terms of the GNU General Public License as published by the Free Software
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8 Foundation, either version 3 of the License, or (at your option) any later
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9 version.
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10
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11 This program is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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14 more details.
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15
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16 You should have received a copy of the GNU General Public License along with
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17 this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 Contains code for parsing general addressing modes (IMM+DIR+EXT+IND)
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20 */
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21
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22 #include <ctype.h>
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23 #include <stdlib.h>
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24
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25 #include <lw_expr.h>
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26
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27 #include "lwasm.h"
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28 #include "instab.h"
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29
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30 extern void insn_indexed_parse_aux(asmstate_t *as, line_t *l, char **p);
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31 extern void insn_indexed_resolve_aux(asmstate_t *as, line_t *l, int force, int elen);
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32 extern void insn_indexed_emit_aux(asmstate_t *as, line_t *l);
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33
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34 extern void insn_parse_indexed_aux(asmstate_t *as, line_t *l, char **p);
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35 extern void insn_resolve_indexed_aux(asmstate_t *as, line_t *l, int force, int elen);
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36
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37 // "extra" is required due to the way OIM, EIM, TIM, and AIM work
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38 void insn_parse_gen_aux(asmstate_t *as, line_t *l, char **p, int elen)
0
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39 {
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40 const char *optr2;
2
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41 int v1, tv;
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42 lw_expr_t s;
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43
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67acad9db5b3 Fix crash when no operand is present
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44 if (!**p)
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45 {
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46 lwasm_register_error(as, l, "Bad operand");
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47 return;
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48 }
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49
0
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50 optr2 = *p;
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51 while (*optr2 && !isspace(*optr2) && *optr2 != ',') optr2++
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52 /* do nothing */ ;
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53
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54 if (*optr2 == ',' || **p == '[')
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55 {
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56 l -> lint = -1;
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57 l -> lint2 = 1;
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58 insn_parse_indexed_aux(as, l, p);
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59 l -> minlen = OPLEN(instab[l -> insn].ops[1]) + 1 + elen;
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60 l -> maxlen = OPLEN(instab[l -> insn].ops[1]) + 3 + elen;
0
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61 goto out;
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62 }
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63
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64 if (**p == '<')
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65 {
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66 (*p)++;
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67 l -> lint2 = 0;
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68 }
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69
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70 // for compatibility with asxxxx
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71 // * followed by a digit, alpha, or _, or ., or ?, or another * is "f8"
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72 else if (**p == '*')
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73 {
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74 tv = *(*p + 1);
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75 if (isdigit(tv) || isalpha(tv) || tv == '_' || tv == '.' || tv == '?' || tv == '@' || tv == '*' || tv == '+' || tv == '-')
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76 {
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77 l -> lint2 = 0;
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78 (*p)++;
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79 }
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80 }
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81 else if (**p == '>')
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82 {
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83 (*p)++;
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84 l -> lint2 = 2;
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85 }
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86 else
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87 {
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88 l -> lint2 = -1;
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89 }
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90
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91 l -> minlen = OPLEN(instab[l -> insn].ops[0]) + 1 + elen;
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92 l -> maxlen = OPLEN(instab[l -> insn].ops[2]) + 2 + elen;
0
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93 s = lwasm_parse_expr(as, p);
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94 if (!s)
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95 {
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96 lwasm_register_error(as, l, "Bad operand");
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97 return;
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98 }
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99
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100 lwasm_save_expr(l, 0, s);
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101
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102 if (as -> output_format == OUTPUT_OBJ && l -> lint2 == -1)
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103 {
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104 l -> lint2 = 2;
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105 goto out;
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106 }
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107
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108 if (l -> lint2 != -1)
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109 goto out;
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110
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111 // if we have a constant now, figure out dp vs nondp
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112 if (lw_expr_istype(s, lw_expr_type_int))
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113 {
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114 v1 = lw_expr_intval(s);
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115 if (((v1 >> 8) & 0xff) == (l -> dpval & 0xff))
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116 {
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117 l -> lint2 = 0;
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118 goto out;
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119 }
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120 l -> lint2 = 2;
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121 }
241
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122 else
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123 {
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124 int min;
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125 int max;
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126
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127 if (lwasm_calculate_range(as, s, &min, &max) == 0)
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128 {
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129 // fprintf(stderr, "range (P) %d...%d for %s\n", min, max, lw_expr_print(s));
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130 if (min > max)
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131 {
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132 // we don't know what to do in this case so don't do anything
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133 goto out;
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134 }
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135 min = (min >> 8) & 0xff;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
136 max = (max >> 8) & 0xff;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
137 if ((l -> dpval & 0xff) < min || (l -> dpval & 0xff) > max)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
138 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
139 l -> lint2 = 2;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
140 goto out;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
141 }
242
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
142 if (min == max && (l -> dpval & 0xff) == min)
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
143 {
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
144 l -> lint2 = 0;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
145 goto out;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
146 }
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
147 // if here, we don't know if the value is in the DP or not
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
148 {
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
149 l -> lint2 = -1;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
150 goto out;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
151 }
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
152 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
153 }
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
154
2c24602be78f 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 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
156 if (l -> lint2 != -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
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 if (l -> lint2 == 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
159 {
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
160 l -> len = OPLEN(instab[l -> insn].ops[0]) + 1 + elen;
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
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 else if (l -> lint2 == 2)
2c24602be78f 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 {
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
164 l -> len = OPLEN(instab[l -> insn].ops[2]) + 2 + elen;
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 }
2c24602be78f 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 else if (l -> lint2 == 1 && l -> lint != -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
167 {
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
168 l -> len = OPLEN(instab[l -> insn].ops[1]) + l -> lint + 1 + elen;
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
169 }
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f 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 void insn_resolve_gen_aux(asmstate_t *as, line_t *l, int force, int elen)
2c24602be78f 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 lw_expr_t e;
2c24602be78f 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
2c24602be78f 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 if (l -> lint2 == 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
178 {
2c24602be78f 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 // indexed
2c24602be78f 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 insn_resolve_indexed_aux(as, l, force, elen);
2c24602be78f 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 goto 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
182 }
2c24602be78f 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 if (l -> lint2 != -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
185 return;
2c24602be78f 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
2c24602be78f 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 e = lwasm_fetch_expr(l, 0);
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
188 lwasm_reduce_expr(as, e);
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
189 if (lw_expr_istype(e, lw_expr_type_int))
2c24602be78f 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 {
2c24602be78f 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 v;
2c24602be78f 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
2c24602be78f 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 v = lw_expr_intval(e);
2c24602be78f 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 if (((v >> 8) & 0xff) == (l -> dpval & 0xff))
2c24602be78f 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 {
2c24602be78f 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 l -> lint2 = 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
198 goto 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
199 }
2c24602be78f 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 l -> lint2 = 2;
2c24602be78f 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 goto 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
202 }
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
203 else
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
204 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
205 int min;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
206 int max;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
207
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
208 if (lwasm_calculate_range(as, e, &min, &max) == 0)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
209 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
210 // fprintf(stderr, "range (R) %d...%d for %s\n", min, max, lw_expr_print(e));
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
211 if (min > max)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
212 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
213 // we don't know what to do in this case so don't do anything
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
214 goto out;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
215 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
216 min = (min >> 8) & 0xff;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
217 max = (max >> 8) & 0xff;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
218 if ((l -> dpval & 0xff) < min || (l -> dpval & 0xff) > max)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
219 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
220 l -> lint2 = 2;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
221 goto out;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
222 }
242
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
223 if (min == max && (l -> dpval & 0xff) == min)
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
224 {
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
225 l -> lint2 = 0;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
226 goto out;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
227 }
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
228 // if here, we don't know if the value is in the DP or not
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
229 {
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
230 l -> lint2 = -1;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
231 goto out;
ea092ebc5323 Fix thinko with algorithm improvement.
William Astle <lost@l-w.ca>
parents: 241
diff changeset
232 }
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
233 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 177
diff changeset
234 }
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
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 if (force)
2c24602be78f 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 {
2c24602be78f 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 l -> lint2 = 2;
2c24602be78f 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 }
2c24602be78f 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 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
242 if (l -> lint2 != -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
243 {
2c24602be78f 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 if (l -> lint2 == 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
245 {
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
246 l -> len = OPLEN(instab[l -> insn].ops[0]) + 1 + elen;
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
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 else if (l -> lint2 == 2)
2c24602be78f 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 {
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
250 l -> len = OPLEN(instab[l -> insn].ops[2]) + 2 + elen;
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
251 }
2c24602be78f 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 else if (l -> lint2 == 1 && l -> lint != -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
253 {
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
254 l -> len = OPLEN(instab[l -> insn].ops[1]) + l -> lint + 1 + elen;
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
255 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
256 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
257 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
258
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
259 void insn_emit_gen_aux(asmstate_t *as, line_t *l, int extra)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
260 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
261 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
262
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
263 e = lwasm_fetch_expr(l, 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 lwasm_emitop(l, instab[l -> insn].ops[l -> lint2]);
2c24602be78f 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 if (extra != -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
267 lwasm_emit(l, extra);
2c24602be78f 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
2c24602be78f 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 if (l -> lint2 == 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
270 {
2c24602be78f 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 lwasm_emit(l, l -> pb);
2c24602be78f 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 if (l -> lint > 0)
283
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
273 {
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
274 int i;
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
275 i = lw_expr_intval(e);
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
276 if (l -> lint == 1)
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
277 {
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
278 if (i < -128 || i > 127)
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
279 lwasm_register_error(as, l, "Byte overflow");
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
280 }
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
281 lwasm_emitexpr(l, e, l -> lint);
283
210d261a614d Make byte overflow detection for indexing work better
William Astle <lost@l-w.ca>
parents: 255
diff changeset
282 }
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
283 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
284 }
2c24602be78f 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
2c24602be78f 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 if (l -> lint2 == 2)
2c24602be78f 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 lwasm_emitexpr(l, e, 2);
2c24602be78f 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 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
289 lwasm_emitexpr(l, e, 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
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
2c24602be78f 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 // the various insn_gen? functions have an immediate mode of ? bits
2c24602be78f 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 PARSEFUNC(insn_parse_gen0)
2c24602be78f 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 (**p == '#')
2c24602be78f 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 {
2c24602be78f 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 lwasm_register_error(as, l, "Immediate mode not allowed");
2c24602be78f 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 return;
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
301 // handle non-immediate
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
302 insn_parse_gen_aux(as, l, p, 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
303 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
304
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
305 RESOLVEFUNC(insn_resolve_gen0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
306 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
307 if (l -> 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
308 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
309
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
310 // handle non-immediate
2c24602be78f 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 insn_resolve_gen_aux(as, l, force, 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
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
2c24602be78f 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 EMITFUNC(insn_emit_gen0)
2c24602be78f 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 insn_emit_gen_aux(as, l, -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
317 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
318
2c24602be78f 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 PARSEFUNC(insn_parse_gen8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
320 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
321 if (**p == '#')
2c24602be78f 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 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
324
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
325 (*p)++;
2c24602be78f 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 e = lwasm_parse_expr(as, p);
2c24602be78f 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 if (!e)
2c24602be78f 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 lwasm_register_error(as, l, "Bad 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
330 return;
2c24602be78f 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 }
2c24602be78f 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 l -> len = OPLEN(instab[l -> insn].ops[3]) + 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
333 l -> lint2 = 3;
2c24602be78f 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 lwasm_save_expr(l, 0, e);
2c24602be78f 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 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
336 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
337
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
338 // handle non-immediate
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
339 insn_parse_gen_aux(as, l, p, 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
340 if (l -> lint2 != -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
341 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
342 if (l -> lint2 == 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
343 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
344 l -> len = OPLEN(instab[l -> insn].ops[0]) + 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
345 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
346 else if (l -> lint2 == 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
347 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
348 l -> len = OPLEN(instab[l -> insn].ops[2]) + 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
349 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
350 else if (l -> lint2 == 1 && l -> lint != -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
351 {
2c24602be78f 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 l -> len = OPLEN(instab[l -> insn].ops[1]) + l -> lint + 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
353 }
2c24602be78f 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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
355 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
356
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
357 RESOLVEFUNC(insn_resolve_gen8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
358 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
359 if (l -> 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
360 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
361
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
362 // handle non-immediate
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
363 insn_resolve_gen_aux(as, l, force, 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
364 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
365
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
366 EMITFUNC(insn_emit_gen8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
367 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
368 if (l -> lint2 == 3)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
369 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
370 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
371 e = lwasm_fetch_expr(l, 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
372 lwasm_emitop(l, instab[l -> insn].ops[3]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
373 lwasm_emitexpr(l, e, 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
374 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
375 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
376
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
377 insn_emit_gen_aux(as, l, -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
378 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
379
2c24602be78f 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 PARSEFUNC(insn_parse_gen16)
2c24602be78f 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 {
2c24602be78f 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 if (**p == '#')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
383 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
384 lw_expr_t e;
2c24602be78f 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 (*p)++;
2c24602be78f 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 e = lwasm_parse_expr(as, p);
2c24602be78f 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 if (!e)
2c24602be78f 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 {
2c24602be78f 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 lwasm_register_error(as, l, "Bad 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
391 return;
2c24602be78f 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 }
2c24602be78f 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 l -> len = OPLEN(instab[l -> insn].ops[3]) + 2;
2c24602be78f 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 l -> lint2 = 3;
2c24602be78f 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 lwasm_save_expr(l, 0, e);
2c24602be78f 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 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
397 }
2c24602be78f 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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
399 // handle non-immediate
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
400 insn_parse_gen_aux(as, l, p, 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
401 if (l -> lint2 != -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
402 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
403 if (l -> lint2 == 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
404 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
405 l -> len = OPLEN(instab[l -> insn].ops[0]) + 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
406 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
407 else if (l -> lint2 == 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
408 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
409 l -> len = OPLEN(instab[l -> insn].ops[2]) + 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
410 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
411 else if (l -> lint2 == 1 && l -> lint != -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
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 l -> len = OPLEN(instab[l -> insn].ops[1]) + l -> lint + 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
414 }
2c24602be78f 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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
416 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
417
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
418 RESOLVEFUNC(insn_resolve_gen16)
2c24602be78f 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 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
420 if (l -> 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
421 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
422
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
423 // handle non-immediate
2c24602be78f 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 insn_resolve_gen_aux(as, l, force, 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
425 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
426
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
427 EMITFUNC(insn_emit_gen16)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
428 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
429 if (l -> lint2 == 3)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
430 {
2c24602be78f 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 lw_expr_t e;
2c24602be78f 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 e = lwasm_fetch_expr(l, 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
433 lwasm_emitop(l, instab[l -> insn].ops[3]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
434 lwasm_emitexpr(l, e, 2);
2c24602be78f 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 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
436 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
437
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
438 insn_emit_gen_aux(as, l, -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
439 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
440
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
441 PARSEFUNC(insn_parse_gen32)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
442 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
443 if (**p == '#')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
444 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
445 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
446
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
447 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
448 e = lwasm_parse_expr(as, p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
449 if (!e)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
450 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
451 lwasm_register_error(as, l, "Bad 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
452 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
453 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
454 l -> len = OPLEN(instab[l -> insn].ops[3]) + 4;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
455 l -> lint2 = 3;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
456 lwasm_save_expr(l, 0, e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
457 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
458 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
459
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
460 // handle non-immediate
136
b78b2f1e011e Fixed additional instruction length problems with logic/memory operations
lost@l-w.ca
parents: 2
diff changeset
461 insn_parse_gen_aux(as, l, p, 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
462 if (l -> lint2 != -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
463 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
464 if (l -> lint2 == 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
465 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
466 l -> len = OPLEN(instab[l -> insn].ops[0]) + 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
467 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
468 else if (l -> lint2 == 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
469 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
470 l -> len = OPLEN(instab[l -> insn].ops[2]) + 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
471 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
472 else if (l -> lint2 == 1 && l -> lint != -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
473 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
474 l -> len = OPLEN(instab[l -> insn].ops[1]) + l -> lint + 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
475 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
476 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
477 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
478
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
479 RESOLVEFUNC(insn_resolve_gen32)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
480 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
481 if (l -> 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
482 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
483
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
484 // handle non-immediate
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
485 insn_resolve_gen_aux(as, l, force, 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
486 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
487
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
488 EMITFUNC(insn_emit_gen32)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
489 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
490 if (l -> lint2 == 3)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
491 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
492 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
493 e = lwasm_fetch_expr(l, 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
494 lwasm_emitop(l, instab[l -> insn].ops[3]);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
495 lwasm_emitexpr(l, e, 4);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
496 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
497 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
498
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
499 insn_emit_gen_aux(as, l, -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
500 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
501
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
502 PARSEFUNC(insn_parse_imm8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
503 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
504 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
505
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
506 if (**p == '#')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
507 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
508 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
509
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
510 e = lwasm_parse_expr(as, p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
511 if (!e)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
512 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
513 lwasm_register_error(as, l, "Bad 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
514 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
515 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
516 l -> len = OPLEN(instab[l -> insn].ops[0]) + 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
517 lwasm_save_expr(l, 0, e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
518 }
177
f8b07153abc4 Make 'imm8' instructions actually complain about a bad operand if no # is present
lost@l-w.ca
parents: 136
diff changeset
519 else
f8b07153abc4 Make 'imm8' instructions actually complain about a bad operand if no # is present
lost@l-w.ca
parents: 136
diff changeset
520 {
f8b07153abc4 Make 'imm8' instructions actually complain about a bad operand if no # is present
lost@l-w.ca
parents: 136
diff changeset
521 lwasm_register_error(as, l, "Bad operand");
f8b07153abc4 Make 'imm8' instructions actually complain about a bad operand if no # is present
lost@l-w.ca
parents: 136
diff changeset
522 }
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
523 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
524
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
525 EMITFUNC(insn_emit_imm8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
526 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
527 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
528
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
529 lwasm_emitop(l, instab[l -> insn].ops[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
530 e = lwasm_fetch_expr(l, 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
531 lwasm_emitexpr(l, e, 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
532 }