Mercurial > hg > CbC > CbC_gcc
annotate gcc/collect2-aix.c @ 123:ab229f40eab2
fix inline_call
author | mir3636 |
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date | Fri, 30 Mar 2018 22:58:55 +0900 |
parents | 04ced10e8804 |
children | 84e7813d76e9 |
rev | line source |
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1 /* AIX cross support for collect2. |
111 | 2 Copyright (C) 2009-2017 Free Software Foundation, Inc. |
55
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3 |
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4 This file is part of GCC. |
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5 |
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6 GCC is free software; you can redistribute it and/or modify it under |
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7 the terms of the GNU General Public License as published by the Free |
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8 Software Foundation; either version 3, or (at your option) any later |
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9 version. |
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10 |
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 for more details. |
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15 |
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16 You should have received a copy of the GNU General Public License |
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17 along with GCC; see the file COPYING3. If not see |
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18 <http://www.gnu.org/licenses/>. */ |
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19 |
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20 #include "config.h" |
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21 #include "system.h" |
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22 #include "coretypes.h" |
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23 #include "tm.h" |
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24 #include "collect2-aix.h" |
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25 |
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26 #ifdef CROSS_AIX_SUPPORT |
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27 |
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28 /* Read SIZE bytes starting at DATA as a big-endian value. */ |
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29 |
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30 static inline bfd_vma |
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31 read_value (char *data, unsigned int size) |
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32 { |
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33 bfd_vma value; |
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34 unsigned int i; |
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35 |
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36 value = 0; |
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37 for (i = 0; i < size; i++) |
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38 { |
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39 value <<= 8; |
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40 value += (unsigned char) data[i]; |
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41 } |
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42 return value; |
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43 } |
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44 |
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45 /* FIELD is a char array. Read the contents as a big-endian integer. */ |
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46 #define READ_FIELD(FIELD) \ |
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47 read_value (FIELD, sizeof (FIELD)) |
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48 |
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49 /* OBJECT is a char pointer to an in-file object of type struct TYPE. |
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50 Return the address of field FIELD. */ |
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51 #define OBJECT_FIELD(OBJECT, TYPE, FIELD) \ |
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52 (OBJECT) + offsetof (struct TYPE, FIELD) |
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53 |
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54 /* Return the size of FIELD, which is a field of struct TYPE. */ |
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55 #define FIELD_SIZE(TYPE, FIELD) \ |
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56 sizeof (((struct TYPE *) (0))->FIELD) |
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57 |
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58 /* OBJECT is a char pointer to an in-file object of type struct TYPE. |
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59 Read the value of field FIELD as a big-endian integer. */ |
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60 #define READ_OBJECT(OBJECT, TYPE, FIELD) \ |
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61 read_value (OBJECT_FIELD (OBJECT, TYPE, FIELD), FIELD_SIZE (TYPE, FIELD)) |
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62 |
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63 /* Copy FIELD from an external structure of type TYPE at address FROM |
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64 to an internal structure pointed to by TO. */ |
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65 #define COPY_FIELD(TO, FROM, TYPE, FIELD) \ |
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66 ((TO)->FIELD = READ_OBJECT (FROM, TYPE, FIELD)) |
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67 |
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68 /* Return true if STRING is less than SIZE bytes long. EXTRA_TERMINATOR |
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69 is another character (besides '\0') that acts as a terminator, |
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70 or '\0' if none. */ |
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71 |
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72 static bool |
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73 string_within_bounds_p (const char *string, size_t size, char extra_terminator) |
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74 { |
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75 const char *p; |
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76 |
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77 for (p = string; p < string + size; p++) |
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78 if (*p == '\0' || *p == extra_terminator) |
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79 return true; |
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80 return false; |
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81 } |
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82 |
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83 /* STRING is a pointer to a char array. Try to read its value as an |
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84 ASCII-encoded integer. On success, return true and store the result |
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85 in TARGET. */ |
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86 #define PARSE_INTEGER(TARGET, STRING) \ |
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87 (string_within_bounds_p (&(STRING)[0], sizeof (STRING), ' ') \ |
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88 && ((TARGET) = strtoul (STRING, NULL, 0), true)) |
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89 |
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90 /* Check that LDFILE's current object has SIZE bytes starting at OFFSET. */ |
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91 |
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92 static inline bool |
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93 within_object_p (LDFILE *ldfile, size_t offset, size_t size) |
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94 { |
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95 return offset <= ldfile->object_size && offset + size <= ldfile->object_size; |
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96 } |
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97 |
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98 /* Try to read the file header for an XCOFF object at OFFSET bytes into |
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99 LDFILE. The object is expected to be OBJECT_SIZE bytes in size. |
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100 If the object is a member of an archive, NEXT_MEMBER is the offset |
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101 of the next member, otherwise it is -1. |
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102 |
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103 Return true on success, recording the object information in LDFILE. */ |
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104 |
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105 static bool |
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106 read_xcoff_object (LDFILE *ldfile, size_t offset, size_t object_size, |
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107 off_t next_member) |
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108 { |
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109 struct internal_filehdr *internal; |
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110 char *external; |
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111 void *map; |
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112 size_t page_size; |
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113 |
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114 /* First try to map the file into memory. */ |
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115 page_size = getpagesize (); |
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116 ldfile->page_offset = offset & (page_size - 1); |
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117 map = mmap (NULL, object_size + ldfile->page_offset, PROT_READ, |
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118 MAP_SHARED, ldfile->fd, offset - ldfile->page_offset); |
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119 if (map == MAP_FAILED) |
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120 return false; |
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121 |
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122 /* Record the success. */ |
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123 ldfile->object = (char *) map + ldfile->page_offset; |
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124 ldfile->object_size = object_size; |
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125 ldfile->next_member = next_member; |
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126 |
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127 /* Read the magic value to determine the type of file. */ |
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128 if (!within_object_p (ldfile, 0, F_MAGIC_SIZE)) |
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129 return false; |
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130 |
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131 internal = &ldfile->filehdr; |
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132 external = ldfile->object; |
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133 internal->f_magic = read_value (external, F_MAGIC_SIZE); |
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134 if (internal->f_magic == U802TOCMAGIC) |
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135 { |
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136 if (!within_object_p (ldfile, 0, sizeof (struct external_filehdr_32))) |
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137 return false; |
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138 |
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139 COPY_FIELD (internal, external, external_filehdr_32, f_nscns); |
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140 COPY_FIELD (internal, external, external_filehdr_32, f_timdat); |
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141 COPY_FIELD (internal, external, external_filehdr_32, f_symptr); |
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142 COPY_FIELD (internal, external, external_filehdr_32, f_nsyms); |
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143 COPY_FIELD (internal, external, external_filehdr_32, f_opthdr); |
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144 COPY_FIELD (internal, external, external_filehdr_32, f_flags); |
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145 return true; |
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146 } |
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147 else if (internal->f_magic == U803XTOCMAGIC |
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148 || internal->f_magic == U64_TOCMAGIC) |
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149 { |
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150 if (!within_object_p (ldfile, 0, sizeof (struct external_filehdr_64))) |
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151 return false; |
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152 |
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153 COPY_FIELD (internal, external, external_filehdr_64, f_nscns); |
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154 COPY_FIELD (internal, external, external_filehdr_64, f_timdat); |
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155 COPY_FIELD (internal, external, external_filehdr_64, f_symptr); |
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156 COPY_FIELD (internal, external, external_filehdr_64, f_nsyms); |
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157 COPY_FIELD (internal, external, external_filehdr_64, f_opthdr); |
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158 COPY_FIELD (internal, external, external_filehdr_64, f_flags); |
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159 return true; |
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160 } |
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161 return false; |
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162 } |
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163 |
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164 /* Try to read an archive member at OFFSET bytes into LDFILE. |
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165 Return true on success, recording the member and object |
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166 information in LDFILE. */ |
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167 |
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168 static bool |
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169 read_archive_member (LDFILE *ldfile, size_t offset) |
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170 { |
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171 struct external_big_ar_member member; |
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172 size_t namlen; |
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173 size_t size; |
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174 off_t next_member; |
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175 |
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176 if (lseek (ldfile->fd, offset, SEEK_SET) >= 0 |
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177 && read (ldfile->fd, &member, sizeof (member)) == sizeof (member) |
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178 && PARSE_INTEGER (namlen, member.ar_namlen) |
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179 /* Stop once we reach the member table entry, which has a name |
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180 of length 0. */ |
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181 && namlen > 0 |
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182 && PARSE_INTEGER (size, member.ar_size) |
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183 && PARSE_INTEGER (next_member, member.ar_nextoff)) |
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184 { |
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185 /* The archive is followed by an even-padded name, then by |
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186 a magic string of length SXCOFFARFMAG. The object itself |
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187 starts after that. */ |
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188 offset += sizeof (member) + namlen + SXCOFFARFMAG; |
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189 offset += offset & 1; |
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190 return read_xcoff_object (ldfile, offset, size, next_member); |
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191 } |
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192 return false; |
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193 } |
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194 |
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195 /* Try to treat LDFILE as a non-empty big archive. Return true |
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196 on success, storing the member and object information for |
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197 the first member in LDFILE. */ |
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198 |
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199 static bool |
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200 read_big_archive (LDFILE *ldfile) |
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201 { |
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202 struct external_big_ar_filehdr filehdr; |
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203 size_t offset; |
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204 |
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205 return (lseek (ldfile->fd, 0L, SEEK_SET) == 0 |
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206 && read (ldfile->fd, &filehdr, sizeof (filehdr)) == sizeof (filehdr) |
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207 && memcmp (filehdr.fl_magic, FL_MAGIC_BIG_AR, FL_MAGIC_SIZE) == 0 |
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208 && PARSE_INTEGER (offset, filehdr.fl_firstmemoff) |
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209 && read_archive_member (ldfile, offset)); |
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210 } |
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211 |
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212 /* LDFILE is a zero-initialized structure. Try to open FILENAME, |
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213 returning true on success. */ |
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214 |
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215 static bool |
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216 open_file (LDFILE *ldfile, const char *filename) |
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217 { |
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218 struct stat st; |
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219 |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
220 ldfile->fd = open (filename, O_RDONLY); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
221 if (ldfile->fd < 0) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
222 return false; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
223 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
224 if (read_big_archive (ldfile)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
225 return true; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
226 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
227 if (fstat (ldfile->fd, &st) < 0) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
228 return false; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
229 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
230 return read_xcoff_object (ldfile, 0, st.st_size, -1); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
231 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
232 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
233 /* Release the memory associated with the current object, if one has |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
234 been mapped. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
235 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
236 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
237 free_object (LDFILE *ldfile) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
238 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
239 if (ldfile->object) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
240 munmap (ldfile->object - ldfile->page_offset, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
241 ldfile->object_size + ldfile->page_offset); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
242 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
243 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
244 /* Free LDFILE and all resources associated with it. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
245 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
246 static void |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
247 free_ldfile (LDFILE *ldfile) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
248 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
249 if (ldfile->fd >= 0) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
250 close (ldfile->fd); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
251 XDELETE (ldfile); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
252 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
253 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
254 /* Implement the API-defined ldopen function. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
255 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
256 LDFILE * |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
257 ldopen (char *filename, LDFILE *ldfile) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
258 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
259 if (ldfile == NULL) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
260 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
261 ldfile = XCNEW (LDFILE); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
262 if (!open_file (ldfile, filename)) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
263 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
264 free_object (ldfile); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
265 free_ldfile (ldfile); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
266 return NULL; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
267 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
268 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
269 return ldfile; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
270 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
271 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
272 /* Implement the API-defined ldtbread function. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
273 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
274 int |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
275 ldtbread (LDFILE *ldfile, long index, SYMENT *internal) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
276 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
277 size_t offset, name_length; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
278 char *external; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
279 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
280 /* Make sure that the symbol index is valid. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
281 if (index < 0 || index >= HEADER (ldfile).f_nsyms) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
282 return FAILURE; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
283 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
284 /* Work out the offset of the symbol table entry. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
285 offset = HEADER (ldfile).f_symptr + index * sizeof (struct external_syment); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
286 if (!within_object_p (ldfile, offset, sizeof (struct external_syment))) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
287 return FAILURE; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
288 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
289 /* Read all the fields. The format differs between 32-bit and |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
290 64-bit files. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
291 external = ldfile->object + offset; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
292 if (HEADER (ldfile).f_magic == U802TOCMAGIC) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
293 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
294 /* Copy the n_zeroes/n_offset interpretation. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
295 internal->n_zeroes = READ_OBJECT (external, external_syment, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
296 u.xcoff32.u.u.n_zeroes); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
297 internal->n_offset = READ_OBJECT (external, external_syment, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
298 u.xcoff32.u.u.n_offset); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
299 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
300 /* Copy the n_name interpretation. The internal version has room |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
301 for a null terminator. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
302 name_length = FIELD_SIZE (external_syment, u.xcoff32.u.n_name); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
303 memcpy (internal->n_name, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
304 external + offsetof (struct external_syment, u.xcoff32.u.n_name), |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
305 name_length); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
306 internal->n_name[name_length] = 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
307 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
308 internal->n_value = READ_OBJECT (external, external_syment, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
309 u.xcoff32.n_value); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
310 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
311 else |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
312 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
313 internal->n_zeroes = 0; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
314 internal->n_offset = READ_OBJECT (external, external_syment, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
315 u.xcoff64.n_offset); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
316 internal->n_value = READ_OBJECT (external, external_syment, |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
317 u.xcoff64.n_value); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
318 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
319 COPY_FIELD (internal, external, external_syment, n_scnum); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
320 COPY_FIELD (internal, external, external_syment, n_type); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
321 COPY_FIELD (internal, external, external_syment, n_sclass); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
322 COPY_FIELD (internal, external, external_syment, n_numaux); |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
323 return SUCCESS; |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
324 } |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
325 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
326 /* Implement the API-defined ldgetname function. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
327 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
328 char * |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
329 ldgetname (LDFILE *ldfile, SYMENT *symbol) |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
330 { |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
331 char *name; |
77e2b8dfacca
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332 size_t offset; |
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333 |
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334 /* If the zeroes field is nonzero, the name is in the symbol table |
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335 entry itself. */ |
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336 if (symbol->n_zeroes != 0) |
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337 return symbol->n_name; |
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338 |
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339 /* Otherwise, the symbol table entry contains an offset into the |
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340 string table, which starts after the end of the symbol table. */ |
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341 offset = (HEADER (ldfile).f_symptr |
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342 + HEADER (ldfile).f_nsyms * sizeof (struct external_syment) |
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343 + symbol->n_offset); |
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344 if (offset >= ldfile->object_size) |
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345 return NULL; |
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346 |
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347 /* Make sure that the name is entirely contained within the object. */ |
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348 name = ldfile->object + offset; |
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349 if (!string_within_bounds_p (name, ldfile->object_size - offset, '\0')) |
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350 return NULL; |
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351 |
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352 return name; |
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353 } |
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354 |
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355 /* Implement the API-defined ldclose function. */ |
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356 |
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357 int |
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358 ldclose (LDFILE *ldfile) |
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359 { |
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360 free_object (ldfile); |
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361 if (ldfile->next_member >= 0 |
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362 && read_archive_member (ldfile, ldfile->next_member)) |
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363 return FAILURE; |
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364 |
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365 free_ldfile (ldfile); |
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366 return SUCCESS; |
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367 } |
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368 |
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369 #endif |