Mercurial > hg > index.cgi
annotate lwlink/link.c @ 149:729a9c70934e
Fixed crash and bogus warning with os9 module target
author | lost@l-w.ca |
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date | Fri, 26 Aug 2011 23:36:00 -0600 |
parents | 08fb11004df9 |
children | 1571e150f1fd |
rev | line source |
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0
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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 |
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28 #include <lw_alloc.h> |
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29 |
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30 #include "expr.h" |
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31 #include "lwlink.h" |
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32 |
148 | 33 void check_os9(void); |
34 | |
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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))) |
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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)) |
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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); |
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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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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
123 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
124 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
125 // work out section load order and resolve base addresses for each section |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
126 // make a list of sections to load in order |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
127 void resolve_sections(void) |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
128 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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129 int laddr = 0; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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130 int ln, sn, fn; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
131 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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132 for (ln = 0; ln < linkscript.nlines; ln++) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
133 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
134 if (linkscript.lines[ln].loadat >= 0) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
135 laddr = linkscript.lines[ln].loadat; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
136 add_matching_sections(linkscript.lines[ln].sectname, linkscript.lines[ln].yesflags, linkscript.lines[ln].noflags, &laddr); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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137 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
138 if (linkscript.lines[ln].sectname) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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139 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
140 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
141 else |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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142 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
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|
143 // wildcard section |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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144 // look for all sections not yet processed that match flags |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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145 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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146 int f = 0; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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147 int fn0, sn0; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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148 char *sname; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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149 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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150 // named section |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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151 // look for all instances of a section by the specified name |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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152 // and resolve base addresses and add to the list |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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153 for (fn0 = 0; fn0 < ninputfiles; fn0++) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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154 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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155 for (sn0 = 0; sn0 < inputfiles[fn0] -> nsections; sn0++) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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156 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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157 // ignore if the "no flags" bit says to |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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158 if (linkscript.lines[ln].noflags && (inputfiles[fn0] -> sections[sn0].flags & linkscript.lines[ln].noflags)) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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159 continue; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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160 // ignore unless the yes flags tell us not to |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
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0
diff
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|
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
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162 continue; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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163 if (inputfiles[fn0] -> sections[sn0].processed == 0) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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164 { |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
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0
diff
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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
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|
166 for (fn = 0; fn < ninputfiles; fn++) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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167 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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168 for (sn = 0; sn < inputfiles[fn] -> nsections; sn++) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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169 { |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
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parents:
0
diff
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|
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
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|
171 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
172 // we have a match |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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173 sectlist = lw_realloc(sectlist, sizeof(struct section_list) * (nsects + 1)); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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174 sectlist[nsects].ptr = &(inputfiles[fn] -> sections[sn]); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
175 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
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177 if (!f && linkscript.lines[ln].loadat >= 0) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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178 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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179 f = 1; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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180 sectlist[nsects].forceaddr = 1; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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181 laddr = linkscript.lines[ln].loadat; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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182 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
183 else |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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184 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
185 sectlist[nsects].forceaddr = 0; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
186 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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|
187 inputfiles[fn] -> sections[sn].loadaddress = laddr; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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188 laddr += inputfiles[fn] -> sections[sn].codesize; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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189 nsects++; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
190 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
191 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
192 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
193 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
194 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
195 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
196 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
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
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parents:
diff
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|
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
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parents:
diff
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|
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
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|
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
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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
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|
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
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|
205 lw_expr_stack_t *r; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
206 lw_expr_term_t *term; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
207 symtab_t *se; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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|
208 int val; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
209 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
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|
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
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parents:
diff
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|
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
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|
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
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parents:
diff
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|
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
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|
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
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|
218 fn -> forced = 1; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
219 nforced = 1; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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|
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
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diff
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|
222 r = lw_expr_stack_create(); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
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
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|
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
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parents:
diff
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|
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
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|
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
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parents:
diff
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|
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
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|
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
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|
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
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|
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
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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
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diff
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|
369 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
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
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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
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diff
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|
372 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
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374 symerr = 1; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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375 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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376 else |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
377 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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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
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379 rval = lw_expr_get_value(rl -> expr); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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380 if (rl -> flags & RELOC_8BIT) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
381 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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382 sectlist[sn].ptr -> code[rl -> offset] = rval & 0xff; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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383 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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384 else |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
385 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
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387 sectlist[sn].ptr -> code[rl -> offset + 1] = rval & 0xff; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
388 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
changeset
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389 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
390 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
391 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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392 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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393 if (symerr) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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394 exit(1); |
148 | 395 |
396 if (outformat == OUTPUT_OS9) | |
397 check_os9(); | |
0
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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398 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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399 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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400 /* |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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401 This is just a pared down version of the algo for resolving references. |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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402 */ |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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403 void resolve_files(void) |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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404 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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405 int sn; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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406 int fn; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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407 reloc_t *rl; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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408 lw_expr_stack_t *te; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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409 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
410 int rval; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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411 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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412 // resolve entry point if required |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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413 // this must resolve to an *exported* symbol and will resolve to the |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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414 // first instance of that symbol |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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415 if (linkscript.execsym) |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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416 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
417 lw_expr_stack_t *s; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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418 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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419 s = resolve_sym(linkscript.execsym, 0, NULL); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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420 if (!s) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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421 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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422 fprintf(stderr, "Cannot resolve exec address '%s'\n", sanitize_symbol(linkscript.execsym)); |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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423 symerr = 1; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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424 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
changeset
|
425 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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426 |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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427 do |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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428 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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429 nforced = 0; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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430 for (fn = 0; fn < ninputfiles; fn++) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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431 { |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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432 if (inputfiles[fn] -> forced == 0) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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433 continue; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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434 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
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diff
changeset
|
436 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
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
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|
438 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
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diff
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|
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
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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
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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
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|
442 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
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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
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diff
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|
445 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
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447 symerr = 1; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
448 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
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|
449 lw_expr_stack_free(te); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
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
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parents:
diff
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|
454 while (nforced == 1); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
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
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|
457 exit(1); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff
changeset
|
458 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
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
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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
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parents:
diff
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|
461 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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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
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parents:
diff
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|
463 continue; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
464 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
465 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
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parents:
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|
466 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
467 } |
148 | 468 void find_section_by_name_once_aux(char *name, fileinfo_t *fn, section_t **rval, int *found); |
469 void find_section_by_name_once_aux(char *name, fileinfo_t *fn, section_t **rval, int *found) | |
470 { | |
471 int sn; | |
472 | |
473 if (fn -> forced == 0) | |
474 return; | |
475 | |
476 for (sn = 0; sn < fn -> nsections; sn++) | |
477 { | |
478 if (!strcmp(name, (char *)(fn -> sections[sn].name))) | |
479 { | |
480 (*found)++; | |
481 *rval = &(fn -> sections[sn]); | |
482 } | |
483 } | |
484 for (sn = 0; sn < fn -> nsubs; sn++) | |
485 { | |
486 find_section_by_name_once_aux(name, fn -> subs[sn], rval, found); | |
487 } | |
488 } | |
489 | |
490 section_t *find_section_by_name_once(char *name) | |
491 { | |
492 int fn; | |
493 int found = 0; | |
494 section_t *rval = NULL; | |
495 | |
496 for (fn = 0; fn < ninputfiles; fn++) | |
497 { | |
498 find_section_by_name_once_aux(name, inputfiles[fn], &rval, &found); | |
499 } | |
500 if (found != 1) | |
501 { | |
502 rval = NULL; | |
149
729a9c70934e
Fixed crash and bogus warning with os9 module target
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148
diff
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|
503 if (found > 1) |
729a9c70934e
Fixed crash and bogus warning with os9 module target
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148
diff
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504 fprintf(stderr, "Warning: multiple instances of section %s found; ignoring all of them which is probably not what you want\n", name); |
148 | 505 } |
506 return rval; | |
507 } | |
508 | |
509 void check_os9(void) | |
510 { | |
511 section_t *s; | |
512 symtab_t *sym; | |
513 | |
514 s = find_section_by_name_once("__os9"); | |
515 linkscript.name = outfile; | |
516 | |
517 if (!s) | |
518 { | |
519 // use defaults if not found | |
520 return; | |
521 } | |
522 | |
523 // this section is special | |
524 // several symbols may be defined as LOCAL symbols: | |
525 // type: module type | |
526 // lang: module language | |
527 // attr: module attributes | |
528 // rev: module revision | |
529 // | |
530 // the symbols are not case sensitive | |
531 // | |
532 // any unrecognized symbols are ignored | |
533 | |
534 // the contents of the actual data to the first NUL | |
535 // is assumed to be the module name unless it is an empty string | |
536 if (s -> codesize > 0 && (s -> flags & SECTION_BSS) == 0 && s -> code[0] != 0) | |
537 { | |
538 linkscript.name = (char *)(s -> code); | |
539 } | |
540 | |
149
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Fixed crash and bogus warning with os9 module target
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148
diff
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|
541 for (sym = s -> localsyms; sym; sym = sym -> next) |
148 | 542 { |
543 char *sm = (char *)(sym -> sym); | |
544 if (!strcasecmp(sm, "type")) | |
545 { | |
546 linkscript.modtype = sym -> offset; | |
547 } | |
548 else if (!strcasecmp(sm, "lang")) | |
549 { | |
550 linkscript.modlang = sym -> offset; | |
551 } | |
552 else if (!strcasecmp(sm, "attr")) | |
553 { | |
554 linkscript.modlang = sym -> offset; | |
555 } | |
556 else if (!strcasecmp(sm, "rev")) | |
557 { | |
558 linkscript.modrev = sym -> offset; | |
559 } | |
560 } | |
561 if (linkscript.modtype > 15) | |
562 linkscript.modtype = linkscript.modtype >> 4; | |
563 | |
564 if (linkscript.modattr > 15) | |
565 linkscript.modattr = linkscript.modattr >> 4; | |
566 | |
567 linkscript.modlang &= 15; | |
568 linkscript.modtype &= 15; | |
569 linkscript.modrev &= 15; | |
570 linkscript.modattr &= 15; | |
571 } |