Mercurial > hg > index.cgi
annotate lwlink/readfiles.c @ 548:cde1a5a48636
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> |
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date | Thu, 16 Mar 2023 16:59:50 -0600 |
parents | fda62f676ed4 |
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0
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1 /* |
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2 readfiles.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 Reads input files |
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22 |
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23 */ |
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24 |
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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 void read_lwobj16v0(fileinfo_t *fn); |
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36 void read_lwar1v(fileinfo_t *fn); |
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37 |
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38 /* |
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39 The logic of reading the entire file into memory is simple. All the symbol |
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40 names in the file are NUL terminated strings and can be used directly without |
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41 making additional copies. |
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42 */ |
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43 void read_file(fileinfo_t *fn) |
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44 { |
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45 if (!memcmp(fn -> filedata, "LWOBJ16", 8)) |
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46 { |
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47 // read v0 LWOBJ16 file |
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48 read_lwobj16v0(fn); |
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49 } |
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50 else if (!memcmp(fn -> filedata, "LWAR1V", 6)) |
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51 { |
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52 // archive file |
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53 read_lwar1v(fn); |
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54 } |
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55 else |
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56 { |
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57 fprintf(stderr, "%s: unknown file format\n", fn -> filename); |
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58 exit(1); |
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59 } |
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60 } |
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61 |
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62 void read_files(void) |
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63 { |
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64 int i; |
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65 long size; |
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66 FILE *f; |
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67 long bread; |
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68 for (i = 0; i < ninputfiles; i++) |
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69 { |
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70 if (inputfiles[i] -> islib) |
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71 { |
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72 char *tf; |
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73 char *sfn; |
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74 int s; |
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75 int j; |
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76 |
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77 f = NULL; |
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78 |
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79 if (inputfiles[i] -> filename[0] == ':') |
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80 { |
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81 // : suppresses the libfoo.a behaviour |
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82 sfn = lw_strdup(inputfiles[i] -> filename + 1); |
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83 } |
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84 else |
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85 { |
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86 sfn = lw_alloc(strlen(inputfiles[i] -> filename) + 6); |
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87 sprintf(sfn, "lib%s.a", inputfiles[i] -> filename); |
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88 } |
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89 |
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90 for (j = 0; j < nlibdirs; j++) |
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91 { |
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92 if (libdirs[j][0] == '=') |
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93 { |
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94 // handle sysroot |
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95 s = strlen(libdirs[j]) + 2 + strlen(sysroot) + strlen(sfn); |
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96 tf = lw_alloc(s + 1); |
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97 sprintf(tf, "%s/%s/%s", sysroot, libdirs[j] + 1, sfn); |
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98 } |
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99 else |
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100 { |
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101 s = strlen(libdirs[j]) + 1 + strlen(sfn); |
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102 tf = lw_alloc(s + 1); |
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103 sprintf(tf, "%s/%s", libdirs[j], sfn); |
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104 } |
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105 f = fopen(tf, "rb"); |
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106 if (!f) |
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107 { |
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108 free(tf); |
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109 continue; |
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110 } |
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111 free(tf); |
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112 break; |
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113 } |
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114 free(sfn); |
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115 if (!f) |
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116 { |
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117 fprintf(stderr, "Can't open library: -l%s\n", inputfiles[i] -> filename); |
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118 exit(1); |
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119 } |
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120 } |
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121 else |
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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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122 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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123 f = fopen(inputfiles[i] -> filename, "rb"); |
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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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124 if (!f) |
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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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125 { |
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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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126 fprintf(stderr, "Can't open file %s:", inputfiles[i] -> filename); |
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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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127 perror(""); |
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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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128 exit(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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129 } |
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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 } |
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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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131 fseek(f, 0, SEEK_END); |
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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 size = ftell(f); |
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133 rewind(f); |
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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 |
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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135 inputfiles[i] -> filedata = lw_alloc(size); |
0
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136 inputfiles[i] -> filesize = size; |
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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 bread = fread(inputfiles[i] -> filedata, 1, size, f); |
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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 if (bread < size) |
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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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140 { |
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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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141 fprintf(stderr, "Short read on file %s (%ld/%ld):", inputfiles[i] -> filename, bread, size); |
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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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142 perror(""); |
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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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143 exit(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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144 } |
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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 fclose(f); |
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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 |
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148 read_file(inputfiles[i]); |
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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 } |
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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 |
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152 // this macro is used to bail out if we run off the end of the file data |
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153 // while parsing - it keeps the code below cleaner |
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154 #define NEXTBYTE() do { cc++; if (cc > fn -> filesize) { fprintf(stderr, "%s: invalid file format\n", fn -> filename); exit(1); } } while (0) |
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155 // this macro is used to refer to the current byte in the stream |
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156 #define CURBYTE() (fn -> filedata[cc < fn -> filesize ? cc : fn -> filesize - 1]) |
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157 // this one will leave the input pointer past the trailing NUL |
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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 #define CURSTR() read_lwobj16v0_str(&cc, fn) |
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159 unsigned char *read_lwobj16v0_str(long *cc1, fileinfo_t *fn) |
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160 { |
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161 int cc = *cc1; |
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162 unsigned char *fp; |
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163 fp = &CURBYTE(); |
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164 while (CURBYTE()) |
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165 NEXTBYTE(); |
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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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166 NEXTBYTE(); |
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167 *cc1 = cc; |
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168 return fp; |
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169 } |
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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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170 // the function below can be switched to dealing with data coming from a |
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171 // source other than an in-memory byte pool by adjusting the input data |
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172 // in "fn" and the above two macros |
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173 |
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174 void read_lwobj16v0(fileinfo_t *fn) |
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175 { |
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176 unsigned char *fp; |
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177 long cc; |
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178 section_t *s; |
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179 int val; |
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180 symtab_t *se; |
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181 |
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182 // start reading *after* the magic number |
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183 cc = 8; |
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184 |
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185 // init data |
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186 fn -> sections = NULL; |
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187 fn -> nsections = 0; |
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188 |
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189 while (1) |
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190 { |
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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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191 // NEXTBYTE(); |
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192 // bail out if no more sections |
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193 if (!(CURBYTE())) |
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194 break; |
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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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195 |
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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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196 fp = CURSTR(); |
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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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197 |
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198 // we now have a section name in fp |
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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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199 // create new section entry |
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200 fn -> sections = lw_realloc(fn -> sections, sizeof(section_t) * (fn -> nsections + 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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201 s = &(fn -> sections[fn -> nsections]); |
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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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202 fn -> nsections += 1; |
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203 |
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204 s -> localsyms = 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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205 s -> flags = 0; |
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206 s -> codesize = 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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207 s -> name = fp; |
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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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208 s -> loadaddress = 0; |
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209 s -> localsyms = 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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210 s -> exportedsyms = 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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211 s -> incompletes = 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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212 s -> 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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213 s -> file = fn; |
236
ce1fdc8d6568
Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents:
179
diff
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|
214 s -> afterbytes = NULL; |
ce1fdc8d6568
Added ability to add padding after a section when linking.
William Astle <lost@l-w.ca>
parents:
179
diff
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215 s -> aftersize = 0; |
0
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216 |
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217 // read flags |
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218 while (CURBYTE()) |
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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 { |
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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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220 switch (CURBYTE()) |
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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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221 { |
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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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|
222 case 0x01: |
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223 s -> flags |= SECTION_BSS; |
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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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224 break; |
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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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225 |
156
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
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8
diff
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|
226 case 0x02: |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
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8
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227 s -> flags |= SECTION_CONST; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
lost@l-w.ca
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8
diff
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|
228 break; |
fc8386b13399
Added 'constant' sections to object file handling for lwasm and lwlink
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8
diff
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|
229 |
0
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230 default: |
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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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231 fprintf(stderr, "%s (%s): unrecognized section flag %02X\n", fn -> filename, s -> name, (int)(CURBYTE())); |
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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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232 exit(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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233 } |
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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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234 NEXTBYTE(); |
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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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|
235 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
236 // skip NUL terminating 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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|
237 NEXTBYTE(); |
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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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|
238 |
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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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239 // now parse the local symbol table |
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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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240 while (CURBYTE()) |
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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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241 { |
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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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242 fp = CURSTR(); |
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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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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 // fp is the symbol 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
|
245 val = (CURBYTE()) << 8; |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
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 val |= (CURBYTE()); |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
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 // val is now the symbol value |
2c24602be78f
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 |
2c24602be78f
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 // create symbol table entry |
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
parents:
2
diff
changeset
|
252 se = lw_alloc(sizeof(symtab_t)); |
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
|
253 se -> next = s -> localsyms; |
2c24602be78f
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 s -> localsyms = 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
|
255 se -> 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
|
256 se -> offset = val; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
257 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
258 // skip terminating NUL |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
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 // now parse the exported symbol table |
2c24602be78f
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 while (CURBYTE()) |
2c24602be78f
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
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parents:
diff
changeset
|
264 fp = CURSTR(); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
265 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
266 // fp is the symbol name |
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
changeset
|
267 val = (CURBYTE()) << 8; |
2c24602be78f
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 NEXTBYTE(); |
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
|
269 val |= (CURBYTE()); |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
271 // val is now the symbol value |
2c24602be78f
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 // create symbol table entry |
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
parents:
2
diff
changeset
|
274 se = lw_alloc(sizeof(symtab_t)); |
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
|
275 se -> next = s -> exportedsyms; |
2c24602be78f
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 s -> exportedsyms = se; |
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
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277 se -> sym = fp; |
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
|
278 se -> offset = val; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
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 // skip terminating NUL |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
282 |
2c24602be78f
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 // now parse the incomplete references and make a list of |
2c24602be78f
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 // external references that need resolution |
2c24602be78f
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 while (CURBYTE()) |
2c24602be78f
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 reloc_t *rp; |
2c24602be78f
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 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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parents:
diff
changeset
|
289 |
2c24602be78f
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 // we have a reference |
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
parents:
2
diff
changeset
|
291 rp = lw_alloc(sizeof(reloc_t)); |
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
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292 rp -> next = s -> incompletes; |
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
|
293 s -> incompletes = rp; |
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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294 rp -> offset = 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
|
295 rp -> expr = 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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diff
changeset
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296 rp -> flags = RELOC_NORM; |
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
|
297 |
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
|
298 // parse the expression |
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
|
299 while (CURBYTE()) |
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
|
300 { |
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
|
301 int tt = CURBYTE(); |
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
|
302 NEXTBYTE(); |
2c24602be78f
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 switch (tt) |
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
|
304 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
305 case 0xFF: |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
306 // a flag specifier |
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
|
307 tt = CURBYTE(); |
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
|
308 rp -> flags = tt; |
2c24602be78f
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 NEXTBYTE(); |
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
|
310 term = NULL; |
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
|
311 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
|
312 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
313 case 0x01: |
2c24602be78f
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 // 16 bit integer |
2c24602be78f
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 tt = CURBYTE() << 8; |
2c24602be78f
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 NEXTBYTE(); |
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
|
317 tt |= CURBYTE(); |
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
|
318 NEXTBYTE(); |
2c24602be78f
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 // normalize for negatives... |
2c24602be78f
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 if (tt > 0x7fff) |
2c24602be78f
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 tt -= 0x10000; |
2c24602be78f
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 term = lw_expr_term_create_int(tt); |
2c24602be78f
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 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
|
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 case 0x02: |
2c24602be78f
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 // external symbol reference |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
327 term = lw_expr_term_create_sym((char *)CURSTR(), 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
|
328 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
|
329 |
2c24602be78f
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 case 0x03: |
2c24602be78f
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 // internal symbol reference |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
332 term = lw_expr_term_create_sym((char *)CURSTR(), 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
|
333 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
|
334 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
335 case 0x04: |
2c24602be78f
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 // operator |
2c24602be78f
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 term = lw_expr_term_create_oper(CURBYTE()); |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
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 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
|
340 |
2c24602be78f
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 case 0x05: |
2c24602be78f
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 // section base reference (NULL internal reference is |
2c24602be78f
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 // the section base address |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
344 term = lw_expr_term_create_sym(NULL, 1); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
345 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
|
346 |
2c24602be78f
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 default: |
2c24602be78f
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 fprintf(stderr, "%s (%s): bad relocation expression (%02X)\n", fn -> filename, s -> name, tt); |
2c24602be78f
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 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
|
350 } |
2c24602be78f
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 (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
|
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 lw_expr_stack_push(rp -> expr, 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
|
354 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
|
355 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
356 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
357 // skip the NUL |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
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 |
2c24602be78f
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 // fetch the offset |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
361 rp -> offset = CURBYTE() << 8; |
2c24602be78f
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 NEXTBYTE(); |
2c24602be78f
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 rp -> offset |= CURBYTE() & 0xff; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
364 NEXTBYTE(); |
2c24602be78f
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 // skip the NUL terminating the relocations |
2c24602be78f
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 NEXTBYTE(); |
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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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368 |
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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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369 // now set code location and size and verify that the file |
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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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370 // contains data going to the end of the code (if !SECTION_BSS) |
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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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371 s -> codesize = CURBYTE() << 8; |
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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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372 NEXTBYTE(); |
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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 s -> codesize |= CURBYTE(); |
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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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374 NEXTBYTE(); |
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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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376 s -> code = &(CURBYTE()); |
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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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377 |
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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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378 // skip the code if we're not in a BSS 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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379 if (!(s -> flags & SECTION_BSS)) |
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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 { |
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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 int i; |
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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 for (i = 0; i < s -> codesize; i++) |
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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 NEXTBYTE(); |
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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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384 } |
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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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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 } |
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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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387 |
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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 /* |
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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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389 Read an archive file - this will create a "sub" record and farm out 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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390 parsing of the sub files to the regular file parsers |
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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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391 |
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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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392 The archive file format consists of the 6 byte magic number followed by a |
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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 series of records as follows: |
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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 |
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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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395 - NUL terminated file 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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396 - 32 bit file length in big endian order |
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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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397 - the file data |
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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 An empty file name indicates the end of the file. |
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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 */ |
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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 void read_lwar1v(fileinfo_t *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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403 { |
386
221b5f58d8ad
Port remainder of tools to Windows
William Astle <lost@l-w.ca>
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236
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404 int cc = 6; |
221b5f58d8ad
Port remainder of tools to Windows
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405 int flen; |
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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406 unsigned long l; |
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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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407 for (;;) |
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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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408 { |
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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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409 if (cc >= fn -> filesize || !(fn -> filedata[cc])) |
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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 return; |
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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 for (l = cc; cc < fn -> filesize && fn -> filedata[cc]; cc++) |
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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 /* do nothing */ ; |
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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 |
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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 cc++; |
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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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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 if (cc >= fn -> filesize) |
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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 fprintf(stderr, "Malformed archive file %s.\n", fn -> filename); |
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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 exit(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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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 |
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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 if (cc + 4 > fn -> filesize) |
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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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424 return; |
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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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425 |
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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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426 flen = (fn -> filedata[cc++] << 24); |
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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 flen |= (fn -> filedata[cc++] << 16); |
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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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428 flen |= (fn -> filedata[cc++] << 8); |
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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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429 flen |= (fn -> filedata[cc++]); |
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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 |
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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 if (flen == 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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432 return; |
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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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433 |
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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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434 if (cc + flen > fn -> filesize) |
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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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435 { |
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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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436 fprintf(stderr, "Malformed archive file %s.\n", fn -> filename); |
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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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437 exit(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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438 } |
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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
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439 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
440 // add the "sub" input file |
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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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441 fn -> subs = lw_realloc(fn -> subs, sizeof(fileinfo_t *) * (fn -> nsubs + 1)); |
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
parents:
2
diff
changeset
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442 fn -> subs[fn -> nsubs] = lw_alloc(sizeof(fileinfo_t)); |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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443 memset(fn -> subs[fn -> nsubs], 0, sizeof(fileinfo_t)); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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444 fn -> subs[fn -> nsubs] -> filedata = fn -> filedata + cc; |
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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445 fn -> subs[fn -> nsubs] -> filesize = flen; |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
446 fn -> subs[fn -> nsubs] -> filename = lw_strdup((char *)(fn -> filedata + l)); |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
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changeset
|
447 fn -> subs[fn -> nsubs] -> parent = 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
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|
448 fn -> subs[fn -> nsubs] -> forced = 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
|
449 read_file(fn -> subs[fn -> nsubs]); |
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
|
450 fn -> nsubs++; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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451 cc += flen; |
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
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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 } |