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annotate lwlink/link.c @ 148:08fb11004df9

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Initial pass at OS9 module support for lwlink
author lost@l-w.ca
date Fri, 26 Aug 2011 23:26:00 -0600
parents fdc11ef4115b
children 729a9c70934e
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1 /*
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2 link.c
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWLINK.
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6
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7 LWLINK is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20
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21 Resolve section and symbol addresses; handle incomplete references
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22 */
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23
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24 #include <stdio.h>
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25 #include <stdlib.h>
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26 #include <string.h>
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27
8
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28 #include <lw_alloc.h>
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29
0
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30 #include "expr.h"
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31 #include "lwlink.h"
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32
148
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33 void check_os9(void);
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34
0
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35 struct section_list *sectlist = NULL;
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36 int nsects = 0;
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37 static int nforced = 0;
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38
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39 void check_section_name(char *name, int *base, fileinfo_t *fn)
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40 {
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41 int sn;
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42
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43 if (fn -> forced == 0)
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44 return;
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45
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46 for (sn = 0; sn < fn -> nsections; sn++)
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47 {
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48 if (!strcmp(name, (char *)(fn -> sections[sn].name)))
0
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49 {
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50 // we have a match
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51 sectlist = lw_realloc(sectlist, sizeof(struct section_list) * (nsects + 1));
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52 sectlist[nsects].ptr = &(fn -> sections[sn]);
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53
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54 fn -> sections[sn].processed = 1;
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55 fn -> sections[sn].loadaddress = *base;
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56 *base += fn -> sections[sn].codesize;
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57 nsects++;
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58 }
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59 }
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60 for (sn = 0; sn < fn -> nsubs; sn++)
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61 {
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62 check_section_name(name, base, fn -> subs[sn]);
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63 }
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64 }
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65
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66 void add_matching_sections(char *name, int yesflags, int noflags, int *base);
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67 void check_section_flags(int yesflags, int noflags, int *base, fileinfo_t *fn)
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68 {
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69 int sn;
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70
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71 if (fn -> forced == 0)
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72 return;
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73
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74 for (sn = 0; sn < fn -> nsections; sn++)
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75 {
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76 // ignore if the noflags tell us to
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77 if (noflags && (fn -> sections[sn].flags & noflags))
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78 continue;
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79 // ignore unless the yesflags tell us not to
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80 if (yesflags && ((fn -> sections[sn].flags & yesflags) == 0))
0
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81 continue;
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82 // ignore it if already processed
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83 if (fn -> sections[sn].processed)
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84 continue;
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85
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86 // we have a match - now collect *all* sections of the same name!
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87 add_matching_sections((char *)(fn -> sections[sn].name), 0, 0, base);
0
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88
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89 // and then continue looking for sections
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90 }
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91 for (sn = 0; sn < fn -> nsubs; sn++)
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92 {
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93 check_section_flags(yesflags, noflags, base, fn -> subs[sn]);
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94 }
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95 }
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96
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97
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98
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99 void add_matching_sections(char *name, int yesflags, int noflags, int *base)
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100 {
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101 int fn;
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102 if (name)
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103 {
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104 // named section
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105 // look for all instances of a section by the specified name
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106 // and resolve base addresses and add to the list
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107 for (fn = 0; fn < ninputfiles; fn++)
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108 {
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109 check_section_name(name, base, inputfiles[fn]);
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110 }
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111 }
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112 else
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113 {
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114 // wildcard section
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115 // named section
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116 // look for all instances of a section by the specified name
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117 // and resolve base addresses and add to the list
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118 for (fn = 0; fn < ninputfiles; fn++)
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119 {
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120 check_section_flags(yesflags, noflags, base, inputfiles[fn]);
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121 }
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122 }
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123 }
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124
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125 // work out section load order and resolve base addresses for each section
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126 // make a list of sections to load in order
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127 void resolve_sections(void)
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128 {
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129 int laddr = 0;
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130 int ln, sn, fn;
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131
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132 for (ln = 0; ln < linkscript.nlines; ln++)
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133 {
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134 if (linkscript.lines[ln].loadat >= 0)
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135 laddr = linkscript.lines[ln].loadat;
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136 add_matching_sections(linkscript.lines[ln].sectname, linkscript.lines[ln].yesflags, linkscript.lines[ln].noflags, &laddr);
2c24602be78f 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
2c24602be78f 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 if (linkscript.lines[ln].sectname)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
139 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
140 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
141 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
142 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
143 // wildcard section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
144 // look for all sections not yet processed that match flags
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
145
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
146 int f = 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
147 int fn0, sn0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
148 char *sname;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
149
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
150 // named section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
151 // look for all instances of a section by the specified name
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
152 // and resolve base addresses and add to the list
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
153 for (fn0 = 0; fn0 < ninputfiles; fn0++)
2c24602be78f 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 for (sn0 = 0; sn0 < inputfiles[fn0] -> nsections; sn0++)
2c24602be78f 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 {
2c24602be78f 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 // ignore if the "no flags" bit says to
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
158 if (linkscript.lines[ln].noflags && (inputfiles[fn0] -> sections[sn0].flags & linkscript.lines[ln].noflags))
2c24602be78f 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 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
160 // ignore unless the yes flags tell us not to
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
161 if (linkscript.lines[ln].yesflags && ((inputfiles[fn0] -> sections[sn0].flags & linkscript.lines[ln].yesflags) == 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
162 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
163 if (inputfiles[fn0] -> sections[sn0].processed == 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
164 {
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
165 sname = (char *)(inputfiles[fn0] -> sections[sn0].name);
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 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
167 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
168 for (sn = 0; sn < inputfiles[fn] -> nsections; sn++)
2c24602be78f 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 {
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
170 if (!strcmp(sname, (char *)(inputfiles[fn] -> sections[sn].name)))
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
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 // we have a match
2c24602be78f 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 sectlist = lw_realloc(sectlist, sizeof(struct section_list) * (nsects + 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
174 sectlist[nsects].ptr = &(inputfiles[fn] -> sections[sn]);
2c24602be78f 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 inputfiles[fn] -> sections[sn].processed = 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
177 if (!f && linkscript.lines[ln].loadat >= 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
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 f = 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
180 sectlist[nsects].forceaddr = 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
181 laddr = linkscript.lines[ln].loadat;
2c24602be78f 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 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
184 {
2c24602be78f 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 sectlist[nsects].forceaddr = 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
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 inputfiles[fn] -> sections[sn].loadaddress = laddr;
2c24602be78f 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 laddr += inputfiles[fn] -> sections[sn].codesize;
2c24602be78f 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 nsects++;
2c24602be78f 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 }
2c24602be78f 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 }
2c24602be78f 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 }
2c24602be78f 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 }
2c24602be78f 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
2c24602be78f 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 // theoretically, all the base addresses are set now
2c24602be78f 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 lw_expr_stack_t *find_external_sym_recurse(char *sym, fileinfo_t *fn)
2c24602be78f 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 {
2c24602be78f 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 int sn;
2c24602be78f 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 lw_expr_stack_t *r;
2c24602be78f 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 lw_expr_term_t *term;
2c24602be78f 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 symtab_t *se;
2c24602be78f 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 int val;
2c24602be78f 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
2c24602be78f 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 for (sn = 0; sn < fn -> nsections; sn++)
2c24602be78f 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 for (se = fn -> sections[sn].exportedsyms; se; se = se -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
213 {
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
214 if (!strcmp(sym, (char *)(se -> 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
215 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
216 if (!(fn -> forced))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
217 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
218 fn -> forced = 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
219 nforced = 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
220 }
2c24602be78f 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 val = se -> offset + fn -> sections[sn].loadaddress;
2c24602be78f 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 r = lw_expr_stack_create();
2c24602be78f 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 term = lw_expr_term_create_int(val & 0xffff);
2c24602be78f 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 lw_expr_stack_push(r, term);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
225 lw_expr_term_free(term);
2c24602be78f 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 return r;
2c24602be78f 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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
229 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
230
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
231 for (sn = 0; sn < fn -> nsubs; sn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
232 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
233 r = find_external_sym_recurse(sym, fn -> subs[sn]);
2c24602be78f 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 (r)
2c24602be78f 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 (!(fn -> forced))
2c24602be78f 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 nforced = 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
239 fn -> forced = 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
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 return r;
2c24602be78f 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 }
2c24602be78f 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 return 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
245 }
2c24602be78f 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
2c24602be78f 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 // resolve all incomplete references now
2c24602be78f 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 // anything that is unresolvable at this stage will throw an 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
249 // because we know the load address of every section now
2c24602be78f 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 lw_expr_stack_t *resolve_sym(char *sym, int symtype, void *state)
2c24602be78f 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 section_t *sect = state;
2c24602be78f 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 lw_expr_term_t *term;
2c24602be78f 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 int val = 0, i, fn;
2c24602be78f 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 lw_expr_stack_t *s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
256 symtab_t *se;
2c24602be78f 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 fileinfo_t *fp;
2c24602be78f 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 if (symtype == 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
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 // local symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
262 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
263 {
2c24602be78f 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 val = sect -> loadaddress;
2c24602be78f 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 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
266 }
2c24602be78f 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
2c24602be78f 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 // start with this section
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
269 for (se = sect -> localsyms; se; se = se -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
270 {
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
271 if (!strcmp((char *)(se -> sym), 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
272 {
2c24602be78f 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 val = se -> offset + sect -> loadaddress;
2c24602be78f 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 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
275 }
2c24602be78f 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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
277 // not in this section - check all sections in this file
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
278 for (i = 0; i < sect -> file -> nsections; i++)
2c24602be78f 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 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
280 for (se = sect -> file -> sections[i].localsyms; se; se = se -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
281 {
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
282 if (!strcmp((char *)(se -> sym), 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
283 {
2c24602be78f 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 val = se -> offset + sect -> file -> sections[i].loadaddress;
2c24602be78f 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 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
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 }
2c24602be78f 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 }
2c24602be78f 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 // not found
2c24602be78f 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 symerr = 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
291 fprintf(stderr, "Local symbol %s not found in %s:%s\n", sanitize_symbol(sym), sect -> file -> filename, sect -> name);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
292 goto outerr;
2c24602be78f 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 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
295 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
296 // external symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
297 // read all files in order until found (or not found)
2c24602be78f 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 (sect)
2c24602be78f 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 for (fp = sect -> file; fp; fp = fp -> parent)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
301 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
302 s = find_external_sym_recurse(sym, fp);
2c24602be78f 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 if (s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
304 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
305 }
2c24602be78f 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
2c24602be78f 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 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f 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 s = find_external_sym_recurse(sym, inputfiles[fn]);
2c24602be78f 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 (s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
312 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
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 if (sect)
2c24602be78f 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 fprintf(stderr, "External symbol %s not found in %s:%s\n", sanitize_symbol(sym), sect -> file -> filename, sect -> name);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
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 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
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 fprintf(stderr, "External symbol %s not found\n", 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
321 }
2c24602be78f 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 symerr = 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
323 goto outerr;
2c24602be78f 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 fprintf(stderr, "Shouldn't ever get here!!!\n");
2c24602be78f 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 exit(88);
2c24602be78f 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 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
328 s = lw_expr_stack_create();
2c24602be78f 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 term = lw_expr_term_create_int(val & 0xffff);
2c24602be78f 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 lw_expr_stack_push(s, term);
2c24602be78f 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 lw_expr_term_free(term);
2c24602be78f 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 return s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
333 outerr:
2c24602be78f 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 return 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
335 }
2c24602be78f 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 void resolve_references(void)
2c24602be78f 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 {
2c24602be78f 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 int sn;
2c24602be78f 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 reloc_t *rl;
2c24602be78f 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 int rval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
342
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
343 // resolve entry point if required
2c24602be78f 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 // this must resolve to an *exported* symbol and will resolve to the
2c24602be78f 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 // first instance of that symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
346 if (linkscript.execsym)
2c24602be78f 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 lw_expr_stack_t *s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
349
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
350 s = resolve_sym(linkscript.execsym, 0, 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
351 if (!s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
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 fprintf(stderr, "Cannot resolve exec address '%s'\n", linkscript.execsym);
2c24602be78f 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 symerr = 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
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 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
357 {
2c24602be78f 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 linkscript.execaddr = lw_expr_get_value(s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
359 lw_expr_stack_free(s);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
360 }
2c24602be78f 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
2c24602be78f 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 for (sn = 0; sn < nsects; sn++)
2c24602be78f 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 for (rl = sectlist[sn].ptr -> incompletes; rl; rl = rl -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
366 {
2c24602be78f 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 // do a "simplify" on the expression
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
368 rval = lw_expr_reval(rl -> expr, resolve_sym, sectlist[sn].ptr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
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 // is it constant? error out if not
2c24602be78f 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 if (rval != 0 || !lw_expr_is_constant(rl -> expr))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
372 {
2c24602be78f 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 fprintf(stderr, "Incomplete reference at %s:%s+%02X\n", sectlist[sn].ptr -> file -> filename, sectlist[sn].ptr -> name, rl -> offset);
2c24602be78f 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 symerr = 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
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 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
377 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
378 // put the value into the relocation 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
379 rval = lw_expr_get_value(rl -> expr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
380 if (rl -> flags & RELOC_8BIT)
2c24602be78f 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 sectlist[sn].ptr -> code[rl -> offset] = rval & 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
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 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
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 sectlist[sn].ptr -> code[rl -> offset] = (rval >> 8) & 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
387 sectlist[sn].ptr -> code[rl -> offset + 1] = rval & 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
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 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
390 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
391 }
2c24602be78f 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 if (symerr)
2c24602be78f 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 exit(1);
148
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
395
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
396 if (outformat == OUTPUT_OS9)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
397 check_os9();
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 }
2c24602be78f 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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
400 /*
2c24602be78f 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 This is just a pared down version of the algo for resolving references.
2c24602be78f 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 void resolve_files(void)
2c24602be78f 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 int sn;
2c24602be78f 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 int fn;
2c24602be78f 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 reloc_t *rl;
2c24602be78f 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 lw_expr_stack_t *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
409
2c24602be78f 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 int rval;
2c24602be78f 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
2c24602be78f 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 // resolve entry point if required
2c24602be78f 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 // this must resolve to an *exported* symbol and will resolve to the
2c24602be78f 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 // first instance of that symbol
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
415 if (linkscript.execsym)
2c24602be78f 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 lw_expr_stack_t *s;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
418
2c24602be78f 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 s = resolve_sym(linkscript.execsym, 0, 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
420 if (!s)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
421 {
2c24602be78f 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 fprintf(stderr, "Cannot resolve exec address '%s'\n", sanitize_symbol(linkscript.execsym));
2c24602be78f 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 symerr = 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
424 }
2c24602be78f 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 do
2c24602be78f 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 nforced = 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
430 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f 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 {
2c24602be78f 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 (inputfiles[fn] -> forced == 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 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
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 for (sn = 0; sn < inputfiles[fn] -> nsections; sn++)
2c24602be78f 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 for (rl = inputfiles[fn] -> sections[sn].incompletes; rl; rl = rl -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
438 {
2c24602be78f 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 // do a "simplify" on the expression
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
440 te = lw_expr_stack_dup(rl -> expr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
441 rval = lw_expr_reval(te, resolve_sym, &(inputfiles[fn] -> sections[sn]));
2c24602be78f 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 // is it constant? error out if not
2c24602be78f 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 if (rval != 0 || !lw_expr_is_constant(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
445 {
2c24602be78f 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 fprintf(stderr, "Incomplete reference at %s:%s+%02X\n", inputfiles[fn] -> filename, inputfiles[fn] -> sections[sn].name, rl -> offset);
2c24602be78f 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 symerr = 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
448 }
2c24602be78f 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 lw_expr_stack_free(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
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 }
2c24602be78f 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 }
2c24602be78f 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 while (nforced == 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
455
2c24602be78f 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 if (symerr)
2c24602be78f 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 exit(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
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 // theoretically, all files referenced by other files now have "forced" set to 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
460 for (fn = 0; fn < ninputfiles; fn++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
461 {
2c24602be78f 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 (inputfiles[fn] -> forced == 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 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
464
2c24602be78f 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 fprintf(stderr, "Warning: %s (%d) does not resolve any symbols\n", inputfiles[fn] -> filename, fn);
2c24602be78f 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 }
2c24602be78f 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 }
148
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
468 void find_section_by_name_once_aux(char *name, fileinfo_t *fn, section_t **rval, int *found);
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
469 void find_section_by_name_once_aux(char *name, fileinfo_t *fn, section_t **rval, int *found)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
470 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
471 int sn;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
472
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
473 if (fn -> forced == 0)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
474 return;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
475
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
476 for (sn = 0; sn < fn -> nsections; sn++)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
477 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
478 if (!strcmp(name, (char *)(fn -> sections[sn].name)))
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
479 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
480 (*found)++;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
481 *rval = &(fn -> sections[sn]);
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
482 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
483 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
484 for (sn = 0; sn < fn -> nsubs; sn++)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
485 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
486 find_section_by_name_once_aux(name, fn -> subs[sn], rval, found);
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
487 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
488 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
489
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
490 section_t *find_section_by_name_once(char *name)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
491 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
492 int fn;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
493 int found = 0;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
494 section_t *rval = NULL;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
495
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
496 for (fn = 0; fn < ninputfiles; fn++)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
497 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
498 find_section_by_name_once_aux(name, inputfiles[fn], &rval, &found);
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
499 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
500 if (found != 1)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
501 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
502 rval = NULL;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
503 fprintf(stderr, "Warning: multiple instances of section %s found; ignoring all of them which is probably not what you want\n", name);
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
504 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
505 return rval;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
506 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
507
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
508 void check_os9(void)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
509 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
510 section_t *s;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
511 symtab_t *sym;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
512
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
513 s = find_section_by_name_once("__os9");
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
514 linkscript.name = outfile;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
515
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
516 if (!s)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
517 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
518 // use defaults if not found
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
519 return;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
520 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
521
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
522 // this section is special
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
523 // several symbols may be defined as LOCAL symbols:
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
524 // type: module type
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
525 // lang: module language
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
526 // attr: module attributes
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
527 // rev: module revision
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
528 //
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
529 // the symbols are not case sensitive
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
530 //
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
531 // any unrecognized symbols are ignored
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
532
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
533 // the contents of the actual data to the first NUL
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
534 // is assumed to be the module name unless it is an empty string
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
535 if (s -> codesize > 0 && (s -> flags & SECTION_BSS) == 0 && s -> code[0] != 0)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
536 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
537 linkscript.name = (char *)(s -> code);
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
538 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
539
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
540 for (sym = s -> localsyms; s; sym = sym -> next)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
541 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
542 char *sm = (char *)(sym -> sym);
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
543 if (!strcasecmp(sm, "type"))
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
544 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
545 linkscript.modtype = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
546 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
547 else if (!strcasecmp(sm, "lang"))
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
548 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
549 linkscript.modlang = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
550 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
551 else if (!strcasecmp(sm, "attr"))
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
552 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
553 linkscript.modlang = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
554 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
555 else if (!strcasecmp(sm, "rev"))
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
556 {
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
557 linkscript.modrev = sym -> offset;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
558 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
559 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
560 if (linkscript.modtype > 15)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
561 linkscript.modtype = linkscript.modtype >> 4;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
562
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
563 if (linkscript.modattr > 15)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
564 linkscript.modattr = linkscript.modattr >> 4;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
565
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
566 linkscript.modlang &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
567 linkscript.modtype &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
568 linkscript.modrev &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
569 linkscript.modattr &= 15;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 8
diff changeset
570 }