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annotate lwlink/lwlink.c @ 395:54499b799779

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Q&D sanitization of symbols in map files and error messages in lwlink
author lost@l-w.ca
date Fri, 23 Jul 2010 16:40:51 -0600
parents 1c31e9005ff7
children
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1 /*
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2 lwlink.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
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22 */
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23
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24 #include <config.h>
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25
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26 #define __lwlink_c_seen__
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27
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28 #include <argp.h>
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29 #include <errno.h>
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33
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34 #include "lwlink.h"
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35 #include "util.h"
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36
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37 int debug_level = 0;
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38 int outformat = OUTPUT_DECB;
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39 char *outfile = NULL;
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40 char *scriptfile = NULL;
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41 int symerr = 0;
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42 char *map_file = NULL;
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43
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44 fileinfo_t **inputfiles = NULL;
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45 int ninputfiles = 0;
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46
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47 int nlibdirs = 0;
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48 char **libdirs = NULL;
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49
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50 int nscriptls = 0;
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51 char **scriptls = NULL;
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52
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53 void add_input_file(char *fn)
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54 {
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55 inputfiles = lw_realloc(inputfiles, sizeof(fileinfo_t *) * (ninputfiles + 1));
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56 inputfiles[ninputfiles] = lw_malloc(sizeof(fileinfo_t));
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57 memset(inputfiles[ninputfiles], 0, sizeof(fileinfo_t));
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58 inputfiles[ninputfiles] -> forced = 1;
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59 inputfiles[ninputfiles++] -> filename = lw_strdup(fn);
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60 }
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61
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62 void add_input_library(char *libname)
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63 {
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64 inputfiles = lw_realloc(inputfiles, sizeof(fileinfo_t *) * (ninputfiles + 1));
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65 inputfiles[ninputfiles] = lw_malloc(sizeof(fileinfo_t));
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66 memset(inputfiles[ninputfiles], 0, sizeof(fileinfo_t));
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67 inputfiles[ninputfiles] -> islib = 1;
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68 inputfiles[ninputfiles] -> forced = 0;
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69 inputfiles[ninputfiles++] -> filename = lw_strdup(libname);
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70 }
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71
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72 void add_library_search(char *libdir)
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73 {
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74 libdirs = lw_realloc(libdirs, sizeof(char*) * (nlibdirs + 1));
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75 libdirs[nlibdirs] = lw_strdup(libdir);
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76 nlibdirs++;
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77 }
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78
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79 void add_section_base(char *sectspec)
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80 {
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81 char *base;
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82 int baseaddr;
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83 char *t;
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84 int l;
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85
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86 base = strchr(sectspec, '=');
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87 if (!base)
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88 {
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89 l = strlen(sectspec);
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90 baseaddr = 0;
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91 }
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92 else
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93 {
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94 baseaddr = strtol(base + 1, NULL, 16);
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95 l = base - sectspec;
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96 *base = '\0';
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97 }
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98 baseaddr = baseaddr & 0xffff;
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99
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100 t = lw_malloc(l + 25);
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101 sprintf(t, "section %s load %04X", sectspec, baseaddr);
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102 if (base)
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103 *base = '=';
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104
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105 scriptls = lw_realloc(scriptls, sizeof(char *) * (nscriptls + 1));
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106 scriptls[nscriptls++] = t;
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107 }
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108
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109 char *sanitize_symbol(char *symbol)
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110 {
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111 static char symbuf[2048];
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112 char *sym = symbol;
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113 char *tp = symbuf;
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114
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115 for (; *sym; sym++)
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116 {
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117 int c1 = *sym;
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118 if (c1 == '\\')
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119 {
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120 *tp++ = '\\';
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121 *tp++ = '\\';
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122 continue;
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123 }
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124 if (c1 < 32 || c1 > 126)
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125 {
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126 int c;
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127 *tp++ = '\\';
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128 c = c1 >> 4;
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129 c += 48;
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130 if (c > 57)
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131 c += 7;
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132 *tp++ = c;
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133 c = c1 & 15;
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134 c += 48;
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135 if (c > 57)
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136 c += 7;
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137 *tp++ = c;
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138 continue;
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139 }
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140 *tp++ = c1;
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141 }
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142 *tp = 0;
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143 return symbuf;
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144 }