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annotate lwlink/script.c @ 548:cde1a5a48636

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Add IHEX output format to lwlink At the request of Craig Iannello who provided a small bribe, IHEX output format is now available in lwlink. At least a first pass version of it.
author William Astle <lost@l-w.ca>
date Thu, 16 Mar 2023 16:59:50 -0600
parents 558ee362437e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 script.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 Read and parse linker scripts
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22 */
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23
2
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24 #include <ctype.h>
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25 #include <errno.h>
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26 #include <stdio.h>
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27 #include <stdlib.h>
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28 #include <string.h>
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29
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30 #include <lw_alloc.h>
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31 #include <lw_string.h>
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32
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33 #include "lwlink.h"
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34
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35 // the built-in OS9 script
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36 // the 000D bit is to handle the module header!
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37 static char *os9_script =
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38 "define basesympat s_%s\n"
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39 "define lensympat l_%s\n"
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40 "section code load 000D\n"
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41 "section .text\n"
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42 "section data\n"
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43 "section .data\n"
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44 "section bss,bss load 0000\n"
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45 "section .bss,bss\n"
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46 "stacksize 32\n"
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47 "entry __start\n"
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48 ;
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49
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50 // the built-in DECB target linker script
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51 static char *decb_script =
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52 "define basesympat s_%s\n"
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53 "define lensympat l_%s\n"
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54 "section init load 2000\n"
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55 "section code\n"
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56 "section *,!bss\n"
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57 "section *,bss\n"
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58 "entry 2000\n"
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59 ;
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60
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61 // the built-in SREC target linker script
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62 static char *srec_script =
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63 "define basesympat s_%s\n"
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64 "define lensympat l_%s\n"
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65 "section init load 0400\n"
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66 "section code\n"
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67 "section *,!bss\n"
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68 "section *,bss\n"
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69 "entry __start\n"
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70 ;
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71
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72 // the built-in RAW target linker script
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73 static char *raw_script =
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74 "define basesympat s_%s\n"
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75 "define lensympat l_%s\n"
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76 "section init load 0000\n"
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77 "section code\n"
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78 "section *,!bss\n"
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79 "section *,bss\n"
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80 ;
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81
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82 static char *lwex0_script =
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83 "define basesympat s_%s\n"
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84 "define lensympat l_%s\n"
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85 "sectopt .ctors padafter 00,00\n"
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86 "sectopt .dtors padafter 00,00\n"
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87 "section init load 0100\n"
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88 "section .text\n"
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89 "section .data\n"
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90 "section .ctors_start\n"
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91 "section .ctors\n"
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92 "section .ctors_end\n"
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93 "section .dtors_start\n"
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94 "section .dtors\n"
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95 "section .dtors_end\n"
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96 "section *,!bss\n"
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97 "section *,bss\n"
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98 "entry __start\n"
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99 "stacksize 0100\n" // default 256 byte stack
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100 ;
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101
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102 // the "simple" script
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103 static char *simple_script =
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104 "define basesympat s_%s\n"
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105 "define lensympat l_%s\n"
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106 "section *,!bss\n"
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107 "section *,bss\n"
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108 ;
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109
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110 linkscript_t linkscript = { 0, NULL, -1 };
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111
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112 void setup_script()
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113 {
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114 char *script, *oscript;
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115 long size;
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116
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117 // read the file if needed
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118 if (scriptfile)
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119 {
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120 FILE *f;
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121 long bread;
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122
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123 f = fopen(scriptfile, "rb");
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124 if (!f)
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125 {
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126 fprintf(stderr, "Can't open file %s:", scriptfile);
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127 perror("");
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128 exit(1);
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129 }
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130 fseek(f, 0, SEEK_END);
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131 size = ftell(f);
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132 rewind(f);
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133
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134 script = lw_alloc(size + 2);
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135
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136 bread = fread(script, 1, size, f);
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137 if (bread < size)
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138 {
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139 fprintf(stderr, "Short read on file %s (%ld/%ld):", scriptfile, bread, size);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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140 perror("");
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
141 exit(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
142 }
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
143 fclose(f);
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
144
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
145 script[size] = '\n';
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
146 script[size + 1] = '\0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
147 }
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
148 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
149 {
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
150 // fetch defaults based on output mode
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
151 switch (outformat)
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
152 {
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
153 case OUTPUT_RAW:
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
154 script = raw_script;
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
155 break;
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
156
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
157 case OUTPUT_DECB:
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
158 script = decb_script;
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
159 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
160
344
55c1f9a321e9 Add S-record output support to lwlink
William Astle <lost@l-w.ca>
parents: 315
diff changeset
161 case OUTPUT_SREC:
55c1f9a321e9 Add S-record output support to lwlink
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parents: 315
diff changeset
162 script = srec_script;
55c1f9a321e9 Add S-record output support to lwlink
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parents: 315
diff changeset
163 break;
55c1f9a321e9 Add S-record output support to lwlink
William Astle <lost@l-w.ca>
parents: 315
diff changeset
164
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
165 case OUTPUT_LWEX0:
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parents:
diff changeset
166 script = lwex0_script;
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
167 break;
148
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
168
08fb11004df9 Initial pass at OS9 module support for lwlink
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parents: 78
diff changeset
169 case OUTPUT_OS9:
08fb11004df9 Initial pass at OS9 module support for lwlink
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parents: 78
diff changeset
170 script = os9_script;
08fb11004df9 Initial pass at OS9 module support for lwlink
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diff changeset
171 break;
0
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
172
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
173 default:
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diff changeset
174 script = simple_script;
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
175 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
176 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
177
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
178 size = strlen(script);
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
179 if (nscriptls)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
180 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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diff changeset
181 char *rscript;
2c24602be78f 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 int 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
183 // prepend the "extra" script lines
2c24602be78f 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 for (i = 0; i < nscriptls; i++)
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
185 size += strlen(scriptls[i]) + 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
186
8
fdc11ef4115b Switched lwlink to lw_cmdline from argp and also brought in lw_alloc and lw_string to replace util.c
lost@l-w.ca
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diff changeset
187 rscript = lw_alloc(size + 1);
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
188 oscript = rscript;
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
189 for (i = 0; i < nscriptls; i++)
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
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 oscript += sprintf(oscript, "%s\n", scriptls[i]);
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
lost@l-w.ca
parents:
diff changeset
193 strcpy(oscript, script);
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 script = rscript;
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
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
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parents:
diff changeset
198 if (outformat == OUTPUT_LWEX0)
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
199 linkscript.stacksize = 0x100;
2c24602be78f 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
148
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
201 if (outformat == OUTPUT_OS9)
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
202 {
08fb11004df9 Initial pass at OS9 module support for lwlink
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parents: 78
diff changeset
203 linkscript.modtype = 0x01;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
204 linkscript.modlang = 0x01;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
205 linkscript.modattr = 0x08;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
206 linkscript.modrev = 0x00;
262
7de7b14ebaee Add support for os9 module edition byte
William Astle <lost@l-w.ca>
parents: 258
diff changeset
207 linkscript.edition = -1;
148
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
208 linkscript.name = NULL;
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
209 }
08fb11004df9 Initial pass at OS9 module support for lwlink
lost@l-w.ca
parents: 78
diff changeset
210
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
211 oscript = script;
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
212 // now parse the script file
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
213 while (*script)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
214 {
2c24602be78f 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 char *ptr, *ptr2, *line;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
216
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
217 for (ptr = script; *ptr && *ptr != '\n' && *ptr != '\r'; ptr++)
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
218 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
219
8
fdc11ef4115b Switched lwlink to lw_cmdline from argp and also brought in lw_alloc and lw_string to replace util.c
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parents: 2
diff changeset
220 line = lw_alloc(ptr - script + 1);
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
221 memcpy(line, script, ptr - script);
2c24602be78f 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 line[ptr - script] = '\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
223
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
224 // skip line terms
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
225 for (script = ptr + 1; *script == '\n' || *script == '\r'; script++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
226 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
227
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
228 // ignore leading whitespace
2c24602be78f 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 for (ptr = line; *ptr && isspace(*ptr); 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
230 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
231
310
86eb8814a05c Add comments to linker scripts.
William Astle <lost@l-w.ca>
parents: 262
diff changeset
232 // ignore blank lines and comments
86eb8814a05c Add comments to linker scripts.
William Astle <lost@l-w.ca>
parents: 262
diff changeset
233 if (!*ptr || *ptr == '#' || *ptr == ';')
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
234 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
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 for (ptr = line; *ptr && !isspace(*ptr); 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
237 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
238
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
239 // now ptr points to the char past the first word
2c24602be78f 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 // NUL it 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
241 if (*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
242 *ptr++ = '\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
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 // skip spaces after the first word
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
245 for ( ; *ptr && isspace(*ptr); 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
246 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
247
236
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
248 if (!strcmp(line, "sectopt"))
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
249 {
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
250 char *sn;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
251 char *ptr3;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
252 sectopt_t *so;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
253
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
254 for (ptr2 = ptr; *ptr && !isspace(*ptr2); ptr2++)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
255 /* do nothing */ ;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
256
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
257 if (*ptr2)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
258 *ptr2++ = '\0';
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
259
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
260 while (*ptr2 && isspace(*ptr2))
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
261 ptr2++;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
262
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
263 // section name is at ptr
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
264 // ptr2 is the option type
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
265 sn = ptr;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
266
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
267 // now ptr2 points to the section option name
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
268 for (ptr3 = ptr2; *ptr3 && !isspace(*ptr3); ptr3++)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
269 /* do nothing */ ;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
270
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
271 if (*ptr3)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
272 *ptr3++ = 0;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
273
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
274 while (*ptr3 && isspace(*ptr3))
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
275 ptr3++;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
276
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
277 // now ptr3 points to option value
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
278 for (so = section_opts; so; so = so -> next)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
279 {
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
280 if (!strcmp(so -> name, sn))
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
281 break;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
282 }
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
283
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
284 if (!so)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
285 {
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
286 so = lw_alloc(sizeof(sectopt_t));
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
287 so -> name = lw_strdup(sn);
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
288 so -> aftersize = 0;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
289 so -> afterbytes = NULL;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
290 so -> next = section_opts;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
291 section_opts = so;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
292 }
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
293
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
294 if (!strcmp(ptr2, "padafter"))
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
295 {
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
296 if (so -> afterbytes)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
297 lw_free(so -> afterbytes);
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
298 so -> aftersize = 0;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
299
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
300 for (;;)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
301 {
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
302 int v;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
303 char *ptr4;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
304
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
305 while (*ptr3 && isspace(*ptr3))
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
306 ptr3++;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
307
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
308 if (!ptr3)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
309 break;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
310
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
311 v = strtoul(ptr3, &ptr4, 16);
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
312 if (ptr3 == ptr4)
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
313 break;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
314
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
315
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
316 so -> afterbytes = lw_realloc(so -> afterbytes, so -> aftersize + 1);
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
317 so -> afterbytes[so -> aftersize] = v;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
318 so -> aftersize++;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
319 ptr3 = ptr4;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
320 while (*ptr3 && isspace(*ptr3))
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
321 ptr3++;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
322
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
323 if (*ptr3 != ',')
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
324 break;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
325
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
326 ptr3++;
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
327 }
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
328 }
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
329 else
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
330 {
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
331 fprintf(stderr, "%s: bad script line: %s %s\n", scriptfile, line, ptr2);
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
332 exit(1);
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
333 }
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
334 }
ce1fdc8d6568 Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents: 234
diff changeset
335 else if (!strcmp(line, "define"))
234
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
336 {
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
337 // parse out the definition type
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
338 for (ptr2 = ptr; *ptr2 && !isspace(*ptr2); ptr2++)
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
339 /* do nothing */ ;
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
340
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
341 if (*ptr2)
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
342 *ptr2++ = '\0';
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
343
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
344 while (*ptr2 && isspace(*ptr2))
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
345 ptr2++;
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
346
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
347 // now ptr points to the define type
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
348 if (!strcmp(ptr, "basesympat"))
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
349 {
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
350 /* section base symbol pattern */
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
351 lw_free(linkscript.basesympat);
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
352 linkscript.basesympat = lw_strdup(ptr2);
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
353 }
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
354 else if (!strcmp(ptr, "lensympat"))
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
355 {
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
356 /* section length symbol pattern */
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
357 lw_free(linkscript.lensympat);
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
358 linkscript.lensympat = lw_strdup(ptr2);
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
359 }
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
360 else
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
361 {
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
362 }
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
363 }
d389adbcc4ab Added section base and length symbols to lwlink
William Astle <lost@l-w.ca>
parents: 183
diff changeset
364 else if (!strcmp(line, "pad"))
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
365 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
366 // padding
2c24602be78f 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 // parse the hex number and stow it
2c24602be78f 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 linkscript.padsize = strtol(ptr, NULL, 16);
2c24602be78f 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 if (linkscript.padsize < 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
370 linkscript.padsize = 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
371 }
2c24602be78f 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 else if (!strcmp(line, "stacksize"))
2c24602be78f 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 {
2c24602be78f 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 // stack size for targets that support it
2c24602be78f 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 // parse the hex number and stow it
2c24602be78f 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 linkscript.padsize = strtol(ptr, NULL, 16);
2c24602be78f 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 if (linkscript.stacksize < 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
378 linkscript.stacksize = 0x100;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
379 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
380 else if (!strcmp(line, "entry"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
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 int eaddr;
2c24602be78f 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 eaddr = strtol(ptr, &ptr2, 16);
2c24602be78f 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 if (*ptr2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
386 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
387 linkscript.execaddr = -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
388 linkscript.execsym = lw_strdup(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
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 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
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 linkscript.execaddr = eaddr;
2c24602be78f 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 linkscript.execsym = 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
394 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
395 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
396 else if (!strcmp(line, "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
397 {
315
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
398 int growsdown = 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
399 // 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
400 // parse out the section name and 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
401 for (ptr2 = ptr; *ptr2 && !isspace(*ptr2); ptr2++)
2c24602be78f 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 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
403
2c24602be78f 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 if (*ptr2)
2c24602be78f 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 *ptr2++ = '\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
406
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
407 while (*ptr2 && isspace(*ptr2))
2c24602be78f 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 ptr2++;
2c24602be78f 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 // ptr now points to the section name and flags and ptr2
2c24602be78f 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 // to the first non-space character following
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
412
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
413 // then look for "load <addr>" clause
2c24602be78f 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 if (*ptr2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
415 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
416 if (!strncmp(ptr2, "load", 4))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
417 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
418 ptr2 += 4;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
419 while (*ptr2 && isspace(*ptr2))
2c24602be78f 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 ptr2++;
2c24602be78f 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 }
315
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
423 else if (!strncmp(ptr2, "high", 4))
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
424 {
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
425 ptr2 += 4;
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
426 while (*ptr2 && isspace(*ptr2))
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
427 ptr2++;
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
428 growsdown = 1;
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
429 }
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 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
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 fprintf(stderr, "%s: bad script\n", scriptfile);
2c24602be78f 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 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
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 }
315
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
436 else
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
437 {
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
438 if (linkscript.nlines > 0)
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
439 growsdown = linkscript.lines[linkscript.nlines - 1].growsdown;
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
440 }
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
441
2c24602be78f 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 // now ptr2 points to the load address if there is one
2c24602be78f 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 // or NUL 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 linkscript.lines = lw_realloc(linkscript.lines, sizeof(struct scriptline_s) * (linkscript.nlines + 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
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 linkscript.lines[linkscript.nlines].noflags = 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
447 linkscript.lines[linkscript.nlines].yesflags = 0;
315
fcd103148aa6 Add ability to load sections downward instead of upward
William Astle <lost@l-w.ca>
parents: 310
diff changeset
448 linkscript.lines[linkscript.nlines].growsdown = growsdown;
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
449 if (*ptr2)
2c24602be78f 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 linkscript.lines[linkscript.nlines].loadat = strtol(ptr2, NULL, 16);
2c24602be78f 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 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
452 linkscript.lines[linkscript.nlines].loadat = -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
453 for (ptr2 = ptr; *ptr2 && *ptr2 != ','; ptr2++)
2c24602be78f 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 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
455 if (*ptr2)
2c24602be78f 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 {
2c24602be78f 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 *ptr2++ = '\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
458 if (!strcmp(ptr2, "!bss"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
459 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
460 linkscript.lines[linkscript.nlines].noflags = SECTION_BSS;
2c24602be78f 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 else if (!strcmp(ptr2, "bss"))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
463 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
464 linkscript.lines[linkscript.nlines].yesflags = SECTION_BSS;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
465 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
466 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
467 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
468 fprintf(stderr, "%s: bad script\n", scriptfile);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
469 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
470 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
471 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
472 if (ptr[0] == '*' && ptr[1] == '\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
473 linkscript.lines[linkscript.nlines].sectname = 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
474 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
475 linkscript.lines[linkscript.nlines].sectname = lw_strdup(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
476 linkscript.nlines++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
477 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
478 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
479 {
67
554831f03338 Make lwlink more verbose about unrecognized linkscript lines
lost@l-w.ca
parents: 8
diff changeset
480 fprintf(stderr, "%s: bad script line: %s\n", scriptfile, line);
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
481 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
482 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
483 lw_free(line);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
484 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
485
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
486 if (scriptfile || nscriptls)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
487 lw_free(oscript);
183
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
488
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
489 if (entrysym)
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
490 {
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
491 int eaddr;
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
492 char *ptr2;
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
493
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
494 lw_free(linkscript.execsym);
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
495
534
558ee362437e Explicitly check for number (leading digit) for entry symbols (lwlink)
William Astle <lost@l-w.ca>
parents: 532
diff changeset
496 if (entrysym[0] >= '0' && entrysym[0] <= '9')
558ee362437e Explicitly check for number (leading digit) for entry symbols (lwlink)
William Astle <lost@l-w.ca>
parents: 532
diff changeset
497 {
558ee362437e Explicitly check for number (leading digit) for entry symbols (lwlink)
William Astle <lost@l-w.ca>
parents: 532
diff changeset
498 eaddr = strtol(entrysym, &ptr2, 16);
558ee362437e Explicitly check for number (leading digit) for entry symbols (lwlink)
William Astle <lost@l-w.ca>
parents: 532
diff changeset
499 linkscript.execaddr = eaddr;
558ee362437e Explicitly check for number (leading digit) for entry symbols (lwlink)
William Astle <lost@l-w.ca>
parents: 532
diff changeset
500 linkscript.execsym = NULL;
558ee362437e Explicitly check for number (leading digit) for entry symbols (lwlink)
William Astle <lost@l-w.ca>
parents: 532
diff changeset
501 }
558ee362437e Explicitly check for number (leading digit) for entry symbols (lwlink)
William Astle <lost@l-w.ca>
parents: 532
diff changeset
502 else
183
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
503 {
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
504 linkscript.execaddr = -1;
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
505 linkscript.execsym = lw_strdup(entrysym);
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
506 }
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
507
c6a38fd8bd33 Added --entry option for lwlink
lost@l-w.ca
parents: 151
diff changeset
508 }
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
509 }