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Rev | Author | Line No. | Line |
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5191 | serge | 1 | /* Internal format of XCOFF object file data structures for BFD. |
2 | |||
6324 | serge | 3 | Copyright (C) 1995-2015 Free Software Foundation, Inc. |
5191 | serge | 4 | Written by Ian Lance Taylor |
5 | |||
6 | This file is part of BFD, the Binary File Descriptor library. |
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7 | |||
8 | This program is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation; either version 3 of the License, or |
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11 | (at your option) any later version. |
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12 | |||
13 | This program is distributed in the hope that it will be useful, |
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14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | GNU General Public License for more details. |
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17 | |||
18 | You should have received a copy of the GNU General Public License |
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19 | along with this program; if not, write to the Free Software |
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20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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21 | MA 02110-1301, USA. */ |
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22 | |||
23 | #ifndef _INTERNAL_XCOFF_H |
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24 | #define _INTERNAL_XCOFF_H |
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25 | |||
26 | /* XCOFF specific f_flags. */ |
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27 | |||
28 | /* File was profiled with fdpr. */ |
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29 | #define F_FDPR_PROF 0x0010 |
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30 | |||
31 | /* File was reordered with fdpr. */ |
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32 | #define F_FDPR_OPTI 0x0020 |
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33 | |||
34 | /* File use very large program support. */ |
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35 | #define F_DSA 0x0040 |
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36 | |||
37 | /* One aux header specifying medium page sizes is non-zero. */ |
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38 | #define F_VARPG 0x0100 |
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39 | |||
40 | /* Read/write sections are non-executable. */ |
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41 | #define F_NONEXEC 0x8000 |
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42 | |||
43 | /* Linker */ |
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44 | |||
45 | /* Names of "special" sections. */ |
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46 | #define _TEXT ".text" |
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47 | #define _DATA ".data" |
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48 | #define _BSS ".bss" |
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49 | #define _PAD ".pad" |
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50 | #define _LOADER ".loader" |
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51 | #define _EXCEPT ".except" |
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52 | #define _TYPCHK ".typchk" |
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53 | |||
54 | /* XCOFF uses special .dwXXX sections with the type STYP_DWARF. */ |
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55 | #define STYP_DWARF 0x0010 |
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56 | |||
57 | /* High-order 16-bits dwarf subtypes. */ |
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58 | #define SSUBTYP_DWINFO 0x10000 |
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59 | #define SSUBTYP_DWLINE 0x20000 |
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60 | #define SSUBTYP_DWPBNMS 0x30000 |
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61 | #define SSUBTYP_DWPBTYP 0x40000 |
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62 | #define SSUBTYP_DWARNGE 0x50000 |
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63 | #define SSUBTYP_DWABREV 0x60000 |
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64 | #define SSUBTYP_DWSTR 0x70000 |
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65 | #define SSUBTYP_DWRNGES 0x80000 |
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66 | |||
67 | /* XCOFF uses a special .loader section with type STYP_LOADER. */ |
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68 | #define STYP_LOADER 0x1000 |
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69 | |||
70 | /* Specifies an exception section. A section of this type provides |
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71 | information to identify the reason that a trap or ececptin occured within |
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72 | and executable object program */ |
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73 | #define STYP_EXCEPT 0x0100 |
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74 | |||
75 | /* Specifies an initialized thread-local data section. */ |
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76 | #define STYP_TDATA 0x0400 |
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77 | |||
78 | /* Specifies an uninitialized thread-local data section. */ |
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79 | #define STYP_TBSS 0x0800 |
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80 | |||
81 | /* XCOFF uses a special .debug section with type STYP_DEBUG. */ |
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82 | #define STYP_DEBUG 0x2000 |
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83 | |||
84 | /* Specifies a type check section. A section of this type contains parameter |
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85 | argument type check strings used by the AIX binder. */ |
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86 | #define STYP_TYPCHK 0x4000 |
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87 | |||
88 | /* XCOFF handles line number or relocation overflow by creating |
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89 | another section header with STYP_OVRFLO set. */ |
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90 | #define STYP_OVRFLO 0x8000 |
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91 | |||
92 | #define RS6K_AOUTHDR_OMAGIC 0x0107 /* old: text & data writeable */ |
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93 | #define RS6K_AOUTHDR_NMAGIC 0x0108 /* new: text r/o, data r/w */ |
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94 | #define RS6K_AOUTHDR_ZMAGIC 0x010B /* paged: text r/o, both page-aligned */ |
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95 | |||
96 | /* XCOFF relocation types. |
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97 | The relocations are described in the function |
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98 | xcoff[64]_ppc_relocate_section in coff64-rs6000.c and coff-rs6000.c */ |
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99 | |||
100 | #define R_POS (0x00) |
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101 | #define R_NEG (0x01) |
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102 | #define R_REL (0x02) |
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103 | #define R_TOC (0x03) |
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104 | #define R_RTB (0x04) |
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105 | #define R_GL (0x05) |
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106 | #define R_TCL (0x06) |
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107 | #define R_BA (0x08) |
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108 | #define R_BR (0x0a) |
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109 | #define R_RL (0x0c) |
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110 | #define R_RLA (0x0d) |
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111 | #define R_REF (0x0f) |
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112 | #define R_TRL (0x12) |
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113 | #define R_TRLA (0x13) |
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114 | #define R_RRTBI (0x14) |
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115 | #define R_RRTBA (0x15) |
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116 | #define R_CAI (0x16) |
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117 | #define R_CREL (0x17) |
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118 | #define R_RBA (0x18) |
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119 | #define R_RBAC (0x19) |
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120 | #define R_RBR (0x1a) |
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121 | #define R_RBRC (0x1b) |
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122 | #define R_TLS (0x20) |
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123 | #define R_TLS_IE (0x21) |
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124 | #define R_TLS_LD (0x22) |
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125 | #define R_TLS_LE (0x23) |
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126 | #define R_TLSM (0x24) |
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127 | #define R_TLSML (0x25) |
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128 | #define R_TOCU (0x30) |
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129 | #define R_TOCL (0x31) |
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130 | |||
131 | /* Storage class #defines, from /usr/include/storclass.h that are not already |
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132 | defined in internal.h */ |
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133 | |||
134 | /* Comment string in .info section */ |
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135 | #define C_INFO 110 |
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136 | |||
137 | /* Dwarf symbol. */ |
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138 | #define C_DWARF 112 |
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139 | |||
140 | /* Auxillary Symbol Entries */ |
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141 | |||
142 | /* x_smtyp values: */ |
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143 | #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ |
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144 | #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ |
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145 | /* Symbol type values: */ |
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146 | #define XTY_ER 0 /* External reference */ |
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147 | #define XTY_SD 1 /* Csect definition */ |
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148 | #define XTY_LD 2 /* Label definition */ |
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149 | #define XTY_CM 3 /* .BSS */ |
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150 | #define XTY_EM 4 /* Error message */ |
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151 | #define XTY_US 5 /* "Reserved for internal use" */ |
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152 | |||
153 | /* x_smclas values: */ |
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154 | #define XMC_PR 0 /* Read-only program code */ |
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155 | #define XMC_RO 1 /* Read-only constant */ |
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156 | #define XMC_DB 2 /* Read-only debug dictionary table */ |
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157 | #define XMC_TC 3 /* Read-write general TOC entry */ |
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158 | #define XMC_UA 4 /* Read-write unclassified */ |
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159 | #define XMC_RW 5 /* Read-write data */ |
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160 | #define XMC_GL 6 /* Read-only global linkage */ |
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161 | #define XMC_XO 7 /* Read-only extended operation */ |
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162 | #define XMC_SV 8 /* Read-only supervisor call */ |
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163 | #define XMC_BS 9 /* Read-write BSS */ |
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164 | #define XMC_DS 10 /* Read-write descriptor csect */ |
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165 | #define XMC_UC 11 /* Read-write unnamed Fortran common */ |
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166 | #define XMC_TI 12 /* Read-only traceback index csect */ |
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167 | #define XMC_TB 13 /* Read-only traceback table csect */ |
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168 | /* 14 ??? */ |
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169 | #define XMC_TC0 15 /* Read-write TOC anchor */ |
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170 | #define XMC_TD 16 /* Read-write data in TOC */ |
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171 | #define XMC_SV64 17 /* Read-only 64 bit supervisor call */ |
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172 | #define XMC_SV3264 18 /* Read-only 32 or 64 bit supervisor call */ |
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173 | /* 19 ??? */ |
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174 | #define XMC_TL 20 /* Read-write initialized TLS data */ |
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175 | #define XMC_TU 21 /* Read-write uninitialized TLS data */ |
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176 | #define XMC_TE 22 /* Same as XMC_TC but mapped after it */ |
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177 | |||
178 | /* The ldhdr structure. This appears at the start of the .loader |
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179 | section. */ |
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180 | |||
181 | struct internal_ldhdr |
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182 | { |
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183 | /* The version number: |
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184 | 1 : 32 bit |
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185 | 2 : 64 bit */ |
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186 | unsigned long l_version; |
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187 | |||
188 | /* The number of symbol table entries. */ |
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189 | bfd_size_type l_nsyms; |
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190 | |||
191 | /* The number of relocation table entries. */ |
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192 | bfd_size_type l_nreloc; |
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193 | |||
194 | /* The length of the import file string table. */ |
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195 | bfd_size_type l_istlen; |
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196 | |||
197 | /* The number of import files. */ |
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198 | bfd_size_type l_nimpid; |
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199 | |||
200 | /* The offset from the start of the .loader section to the first |
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201 | entry in the import file table. */ |
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202 | bfd_size_type l_impoff; |
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203 | |||
204 | /* The length of the string table. */ |
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205 | bfd_size_type l_stlen; |
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206 | |||
207 | /* The offset from the start of the .loader section to the first |
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208 | entry in the string table. */ |
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209 | bfd_size_type l_stoff; |
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210 | |||
211 | /* The offset to start of the symbol table, only in XCOFF64 */ |
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212 | bfd_vma l_symoff; |
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213 | |||
214 | /* The offset to the start of the relocation table, only in XCOFF64 */ |
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215 | bfd_vma l_rldoff; |
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216 | }; |
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217 | |||
218 | /* The ldsym structure. This is used to represent a symbol in the |
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219 | .loader section. */ |
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220 | |||
221 | struct internal_ldsym |
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222 | { |
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223 | union |
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224 | { |
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225 | /* The symbol name if <= SYMNMLEN characters. */ |
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226 | char _l_name[SYMNMLEN]; |
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227 | struct |
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228 | { |
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229 | /* Zero if the symbol name is more than SYMNMLEN characters. */ |
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230 | long _l_zeroes; |
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231 | |||
232 | /* The offset in the string table if the symbol name is more |
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233 | than SYMNMLEN characters. */ |
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234 | long _l_offset; |
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235 | } |
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236 | _l_l; |
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237 | } |
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238 | _l; |
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239 | |||
240 | /* The symbol value. */ |
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241 | bfd_vma l_value; |
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242 | |||
243 | /* The symbol section number. */ |
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244 | short l_scnum; |
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245 | |||
246 | /* The symbol type and flags. */ |
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247 | char l_smtype; |
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248 | |||
249 | /* The symbol storage class. */ |
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250 | char l_smclas; |
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251 | |||
252 | /* The import file ID. */ |
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253 | bfd_size_type l_ifile; |
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254 | |||
255 | /* Offset to the parameter type check string. */ |
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256 | bfd_size_type l_parm; |
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257 | }; |
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258 | |||
259 | /* These flags are for the l_smtype field (the lower three bits are an |
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260 | XTY_* value). */ |
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261 | |||
262 | /* Imported symbol. */ |
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263 | #define L_IMPORT (0x40) |
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264 | /* Entry point. */ |
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265 | #define L_ENTRY (0x20) |
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266 | /* Exported symbol. */ |
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267 | #define L_EXPORT (0x10) |
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268 | /* Weak symbol. */ |
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269 | #define L_WEAK (0x08) |
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270 | |||
271 | /* The ldrel structure. This is used to represent a reloc in the |
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272 | .loader section. */ |
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273 | |||
274 | struct internal_ldrel |
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275 | { |
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276 | /* The reloc address. */ |
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277 | bfd_vma l_vaddr; |
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278 | |||
279 | /* The symbol table index in the .loader section symbol table. */ |
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280 | bfd_size_type l_symndx; |
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281 | |||
282 | /* The relocation type and size. */ |
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283 | short l_rtype; |
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284 | |||
285 | /* The section number this relocation applies to. */ |
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286 | short l_rsecnm; |
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287 | }; |
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288 | |||
289 | /* An entry in the XCOFF linker hash table. */ |
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290 | struct xcoff_link_hash_entry |
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291 | { |
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292 | struct bfd_link_hash_entry root; |
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293 | |||
294 | /* Symbol index in output file. Set to -1 initially. Set to -2 if |
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295 | there is a reloc against this symbol. */ |
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296 | long indx; |
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297 | |||
298 | /* If we have created a TOC entry for this symbol, this is the .tc |
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299 | section which holds it. */ |
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300 | asection *toc_section; |
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301 | |||
302 | union |
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303 | { |
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304 | /* If we have created a TOC entry (the XCOFF_SET_TOC flag is |
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305 | set), this is the offset in toc_section. */ |
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306 | bfd_vma toc_offset; |
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307 | |||
308 | /* If the TOC entry comes from an input file, this is set to the |
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309 | symbol index of the C_HIDEXT XMC_TC or XMC_TD symbol. */ |
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310 | long toc_indx; |
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311 | } |
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312 | u; |
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313 | |||
314 | /* If this symbol is a function entry point which is called, this |
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315 | field holds a pointer to the function descriptor. If this symbol |
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316 | is a function descriptor, this field holds a pointer to the |
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317 | function entry point. */ |
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318 | struct xcoff_link_hash_entry *descriptor; |
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319 | |||
320 | /* The .loader symbol table entry, if there is one. */ |
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321 | struct internal_ldsym *ldsym; |
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322 | |||
323 | /* If XCOFF_BUILT_LDSYM is set, this is the .loader symbol table |
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324 | index. If XCOFF_BUILD_LDSYM is clear, and XCOFF_IMPORT is set, |
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325 | this is the l_ifile value. */ |
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326 | long ldindx; |
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327 | |||
328 | /* Some linker flags. */ |
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329 | unsigned long flags; |
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330 | |||
331 | /* The storage mapping class. */ |
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332 | unsigned char smclas; |
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333 | }; |
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334 | |||
335 | /* Flags for xcoff_link_hash_entry. */ |
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336 | |||
337 | /* Symbol is referenced by a regular object. */ |
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338 | #define XCOFF_REF_REGULAR 0x00000001 |
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339 | /* Symbol is defined by a regular object. */ |
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340 | #define XCOFF_DEF_REGULAR 0x00000002 |
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341 | /* Symbol is defined by a dynamic object. */ |
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342 | #define XCOFF_DEF_DYNAMIC 0x00000004 |
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343 | /* Symbol is used in a reloc being copied into the .loader section. */ |
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344 | #define XCOFF_LDREL 0x00000008 |
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345 | /* Symbol is the entry point. */ |
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346 | #define XCOFF_ENTRY 0x00000010 |
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347 | /* Symbol is for a function and is the target of a relocation. |
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348 | The relocation may or may not be a branch-type relocation. */ |
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349 | #define XCOFF_CALLED 0x00000020 |
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350 | /* Symbol needs the TOC entry filled in. */ |
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351 | #define XCOFF_SET_TOC 0x00000040 |
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352 | /* Symbol is implicitly or explicitly imported. */ |
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353 | #define XCOFF_IMPORT 0x00000080 |
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354 | /* Symbol is explicitly exported. */ |
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355 | #define XCOFF_EXPORT 0x00000100 |
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356 | /* Symbol has been processed by xcoff_build_ldsyms. */ |
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357 | #define XCOFF_BUILT_LDSYM 0x00000200 |
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358 | /* Symbol is mentioned by a section which was not garbage collected. */ |
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359 | #define XCOFF_MARK 0x00000400 |
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360 | /* Symbol size is recorded in size_list list from hash table. */ |
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361 | #define XCOFF_HAS_SIZE 0x00000800 |
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362 | /* Symbol is a function descriptor. */ |
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363 | #define XCOFF_DESCRIPTOR 0x00001000 |
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364 | /* Multiple definitions have been for the symbol. */ |
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365 | #define XCOFF_MULTIPLY_DEFINED 0x00002000 |
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366 | /* Symbol is the __rtinit symbol. */ |
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367 | #define XCOFF_RTINIT 0x00004000 |
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368 | /* Symbol is an imported 32 bit syscall. */ |
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369 | #define XCOFF_SYSCALL32 0x00008000 |
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370 | /* Symbol is an imported 64 bit syscall. */ |
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371 | #define XCOFF_SYSCALL64 0x00010000 |
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372 | /* Symbol was not explicitly defined by the time it was marked. */ |
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373 | #define XCOFF_WAS_UNDEFINED 0x00020000 |
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374 | /* We have assigned an output XCOFF entry to this symbol. */ |
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375 | #define XCOFF_ALLOCATED 0x00040000 |
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376 | |||
377 | /* The XCOFF linker hash table. */ |
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378 | |||
379 | #define XCOFF_NUMBER_OF_SPECIAL_SECTIONS 6 |
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380 | #define XCOFF_SPECIAL_SECTION_TEXT 0 |
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381 | #define XCOFF_SPECIAL_SECTION_ETEXT 1 |
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382 | #define XCOFF_SPECIAL_SECTION_DATA 2 |
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383 | #define XCOFF_SPECIAL_SECTION_EDATA 3 |
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384 | #define XCOFF_SPECIAL_SECTION_END 4 |
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385 | #define XCOFF_SPECIAL_SECTION_END2 5 |
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386 | |||
387 | /* These flags indicate which of -bexpall and -bexpfull are in effect. */ |
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388 | #define XCOFF_EXPALL 1 |
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389 | #define XCOFF_EXPFULL 2 |
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390 | |||
391 | /* This structure is used to pass information through |
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392 | xcoff_link_hash_traverse. */ |
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393 | |||
394 | struct xcoff_loader_info |
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395 | { |
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396 | /* Set if a problem occurred. */ |
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397 | bfd_boolean failed; |
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398 | |||
399 | /* Output BFD. */ |
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400 | bfd *output_bfd; |
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401 | |||
402 | /* Link information structure. */ |
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403 | struct bfd_link_info *info; |
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404 | |||
405 | /* A mask of XCOFF_EXPALL and XCOFF_EXPFULL flags. */ |
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406 | unsigned int auto_export_flags; |
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407 | |||
408 | /* Number of ldsym structures. */ |
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409 | size_t ldsym_count; |
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410 | |||
411 | /* Size of string table. */ |
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412 | size_t string_size; |
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413 | |||
414 | /* String table. */ |
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415 | char *strings; |
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416 | |||
417 | /* Allocated size of string table. */ |
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418 | size_t string_alc; |
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419 | }; |
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420 | |||
421 | /* In case we're on a 32-bit machine, construct a 64-bit "-1" value |
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422 | from smaller values. Start with zero, widen, *then* decrement. */ |
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423 | #define MINUS_ONE (((bfd_vma) 0) - 1) |
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424 | |||
425 | /* __rtinit, from /usr/include/rtinit.h. */ |
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426 | struct __rtinit |
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427 | { |
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428 | /* Pointer to runtime linker. |
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429 | XXX: Is the parameter really void? */ |
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430 | int (*rtl) (void); |
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431 | |||
432 | /* Offset to array of init functions, 0 if none. */ |
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433 | int init_offset; |
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434 | |||
435 | /* Offset to array of fini functions, 0 if none. */ |
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436 | int fini_offset; |
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437 | |||
438 | /* Size of __RTINIT_DESCRIPTOR. This value should be used instead of |
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439 | sizeof(__RTINIT_DESCRIPTOR). */ |
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440 | int __rtinit_descriptor_size; |
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441 | }; |
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442 | |||
443 | #define RTINIT_DESCRIPTOR_SIZE (12) |
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444 | |||
445 | struct __rtinit_descriptor |
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446 | { |
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447 | /* Init/fini function. */ |
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448 | int f; |
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449 | |||
450 | /* Offset, relative to the start of the __rtinit symbol, to name of the |
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451 | function. */ |
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452 | |||
453 | int name_offset; |
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454 | |||
455 | /* Flags */ |
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456 | unsigned char flags; |
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457 | }; |
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458 | |||
459 | /* Archive */ |
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460 | |||
461 | #define XCOFFARMAG " |
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462 | #define XCOFFARMAGBIG " |
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463 | #define SXCOFFARMAG 8 |
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464 | |||
465 | /* The size of the ascii archive elements */ |
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466 | #define XCOFFARMAG_ELEMENT_SIZE 12 |
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467 | #define XCOFFARMAGBIG_ELEMENT_SIZE 20 |
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468 | |||
469 | /* This terminates an XCOFF archive member name. */ |
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470 | |||
471 | #define XCOFFARFMAG "`\012" |
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472 | #define SXCOFFARFMAG 2 |
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473 | |||
474 | /* XCOFF archives start with this (printable) structure. */ |
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475 | |||
476 | struct xcoff_ar_file_hdr |
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477 | { |
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478 | /* Magic string. */ |
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479 | char magic[SXCOFFARMAG]; |
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480 | |||
481 | /* Offset of the member table (decimal ASCII string). */ |
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482 | char memoff[XCOFFARMAG_ELEMENT_SIZE]; |
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483 | |||
484 | /* Offset of the global symbol table (decimal ASCII string). */ |
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485 | char symoff[XCOFFARMAG_ELEMENT_SIZE]; |
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486 | |||
487 | /* Offset of the first member in the archive (decimal ASCII string). */ |
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488 | char firstmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
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489 | |||
490 | /* Offset of the last member in the archive (decimal ASCII string). */ |
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491 | char lastmemoff[XCOFFARMAG_ELEMENT_SIZE]; |
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492 | |||
493 | /* Offset of the first member on the free list (decimal ASCII |
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494 | string). */ |
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495 | char freeoff[XCOFFARMAG_ELEMENT_SIZE]; |
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496 | }; |
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497 | |||
498 | #define SIZEOF_AR_FILE_HDR (SXCOFFARMAG + 5 * XCOFFARMAG_ELEMENT_SIZE) |
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499 | |||
500 | /* This is the equivalent data structure for the big archive format. */ |
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501 | |||
502 | struct xcoff_ar_file_hdr_big |
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503 | { |
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504 | /* Magic string. */ |
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505 | char magic[SXCOFFARMAG]; |
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506 | |||
507 | /* Offset of the member table (decimal ASCII string). */ |
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508 | char memoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
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509 | |||
510 | /* Offset of the global symbol table for 32-bit objects (decimal ASCII |
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511 | string). */ |
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512 | char symoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
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513 | |||
514 | /* Offset of the global symbol table for 64-bit objects (decimal ASCII |
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515 | string). */ |
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516 | char symoff64[XCOFFARMAGBIG_ELEMENT_SIZE]; |
||
517 | |||
518 | /* Offset of the first member in the archive (decimal ASCII string). */ |
||
519 | char firstmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
||
520 | |||
521 | /* Offset of the last member in the archive (decimal ASCII string). */ |
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522 | char lastmemoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
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523 | |||
524 | /* Offset of the first member on the free list (decimal ASCII |
||
525 | string). */ |
||
526 | char freeoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
||
527 | }; |
||
528 | |||
529 | #define SIZEOF_AR_FILE_HDR_BIG (SXCOFFARMAG + 6 * XCOFFARMAGBIG_ELEMENT_SIZE) |
||
530 | |||
531 | /* Each XCOFF archive member starts with this (printable) structure. */ |
||
532 | |||
533 | struct xcoff_ar_hdr |
||
534 | { |
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535 | /* File size not including the header (decimal ASCII string). */ |
||
536 | char size[XCOFFARMAG_ELEMENT_SIZE]; |
||
537 | |||
538 | /* File offset of next archive member (decimal ASCII string). */ |
||
539 | char nextoff[XCOFFARMAG_ELEMENT_SIZE]; |
||
540 | |||
541 | /* File offset of previous archive member (decimal ASCII string). */ |
||
542 | char prevoff[XCOFFARMAG_ELEMENT_SIZE]; |
||
543 | |||
544 | /* File mtime (decimal ASCII string). */ |
||
545 | char date[12]; |
||
546 | |||
547 | /* File UID (decimal ASCII string). */ |
||
548 | char uid[12]; |
||
549 | |||
550 | /* File GID (decimal ASCII string). */ |
||
551 | char gid[12]; |
||
552 | |||
553 | /* File mode (octal ASCII string). */ |
||
554 | char mode[12]; |
||
555 | |||
556 | /* Length of file name (decimal ASCII string). */ |
||
557 | char namlen[4]; |
||
558 | |||
559 | /* This structure is followed by the file name. The length of the |
||
560 | name is given in the namlen field. If the length of the name is |
||
561 | odd, the name is followed by a null byte. The name and optional |
||
562 | null byte are followed by XCOFFARFMAG, which is not included in |
||
563 | namlen. The contents of the archive member follow; the number of |
||
564 | bytes is given in the size field. */ |
||
565 | }; |
||
566 | |||
567 | #define SIZEOF_AR_HDR (3 * XCOFFARMAG_ELEMENT_SIZE + 4 * 12 + 4) |
||
568 | |||
569 | /* The equivalent for the big archive format. */ |
||
570 | |||
571 | struct xcoff_ar_hdr_big |
||
572 | { |
||
573 | /* File size not including the header (decimal ASCII string). */ |
||
574 | char size[XCOFFARMAGBIG_ELEMENT_SIZE]; |
||
575 | |||
576 | /* File offset of next archive member (decimal ASCII string). */ |
||
577 | char nextoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
||
578 | |||
579 | /* File offset of previous archive member (decimal ASCII string). */ |
||
580 | char prevoff[XCOFFARMAGBIG_ELEMENT_SIZE]; |
||
581 | |||
582 | /* File mtime (decimal ASCII string). */ |
||
583 | char date[12]; |
||
584 | |||
585 | /* File UID (decimal ASCII string). */ |
||
586 | char uid[12]; |
||
587 | |||
588 | /* File GID (decimal ASCII string). */ |
||
589 | char gid[12]; |
||
590 | |||
591 | /* File mode (octal ASCII string). */ |
||
592 | char mode[12]; |
||
593 | |||
594 | /* Length of file name (decimal ASCII string). */ |
||
595 | char namlen[4]; |
||
596 | |||
597 | /* This structure is followed by the file name. The length of the |
||
598 | name is given in the namlen field. If the length of the name is |
||
599 | odd, the name is followed by a null byte. The name and optional |
||
600 | null byte are followed by XCOFFARFMAG, which is not included in |
||
601 | namlen. The contents of the archive member follow; the number of |
||
602 | bytes is given in the size field. */ |
||
603 | }; |
||
604 | |||
605 | #define SIZEOF_AR_HDR_BIG (3 * XCOFFARMAGBIG_ELEMENT_SIZE + 4 * 12 + 4) |
||
606 | |||
607 | /* We often have to distinguish between the old and big file format. |
||
608 | Make it a bit cleaner. We can use `xcoff_ardata' here because the |
||
609 | `hdr' member has the same size and position in both formats. |
||
610 |
|
||
611 | NULL. */ |
||
612 | #ifndef SMALL_ARCHIVE |
||
613 | /* Creates big archives by default */ |
||
614 | #define xcoff_big_format_p(abfd) \ |
||
615 | ((NULL != bfd_ardata (abfd) && NULL == xcoff_ardata (abfd)) || \ |
||
616 | ((NULL != bfd_ardata (abfd)) && \ |
||
617 | (NULL != xcoff_ardata (abfd)) && \ |
||
618 | (xcoff_ardata (abfd)->magic[1] == 'b'))) |
||
619 | #else |
||
620 | /* Creates small archives by default. */ |
||
621 | #define xcoff_big_format_p(abfd) \ |
||
622 | (((NULL != bfd_ardata (abfd)) && \ |
||
623 | (NULL != xcoff_ardata (abfd)) && \ |
||
624 | (xcoff_ardata (abfd)->magic[1] == 'b'))) |
||
625 | #endif |
||
626 | |||
627 | /* We store a copy of the xcoff_ar_file_hdr in the tdata field of the |
||
628 | artdata structure. Similar for the big archive. */ |
||
629 | #define xcoff_ardata(abfd) \ |
||
630 | ((struct xcoff_ar_file_hdr *) bfd_ardata (abfd)->tdata) |
||
631 | #define xcoff_ardata_big(abfd) \ |
||
632 | ((struct xcoff_ar_file_hdr_big *) bfd_ardata (abfd)->tdata) |
||
633 | |||
634 | /* We store a copy of the xcoff_ar_hdr in the arelt_data field of an |
||
635 | archive element. Similar for the big archive. */ |
||
636 | #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data)) |
||
637 | #define arch_xhdr(bfd) \ |
||
638 | ((struct xcoff_ar_hdr *) arch_eltdata (bfd)->arch_header) |
||
639 | #define arch_xhdr_big(bfd) \ |
||
640 | ((struct xcoff_ar_hdr_big *) arch_eltdata (bfd)->arch_header) |
||
641 | |||
642 | /* True if symbols of class CLASS are external. */ |
||
643 | #define EXTERN_SYM_P(CLASS) \ |
||
644 | ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT) |
||
645 | |||
646 | #endif /* _INTERNAL_XCOFF_H */=> |