Mercurial > hg > index.cgi
annotate lwlink/readfiles.c @ 516:c33b4abff860
Fix bug related to parsing \x sequences under pragma cstrings
Fix the test for lower case letter digits to test for the full range of hex
digit values instead of just 0 to 9 when deciding to apply the correction
factor for lower case.
author | William Astle <lost@l-w.ca> |
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date | Thu, 11 Feb 2021 09:25:16 -0700 |
parents | fda62f676ed4 |
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rev | line source |
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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 } |