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Rev | Author | Line No. | Line |
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5191 | serge | 1 | /* Internal format of COFF object file data structures, for GNU BFD. |
2 | This file is part of BFD, the Binary File Descriptor library. |
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3 | |||
6324 | serge | 4 | Copyright (C) 1999-2015 Free Software Foundation, Inc. |
5 | |||
5191 | serge | 6 | This program is free software; you can redistribute it and/or modify |
7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 3 of the License, or |
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9 | (at your option) any later version. |
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6324 | serge | 10 | |
5191 | serge | 11 | This program is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | GNU General Public License for more details. |
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6324 | serge | 15 | |
5191 | serge | 16 | You should have received a copy of the GNU General Public License |
17 | along with this program; if not, write to the Free Software |
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18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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19 | MA 02110-1301, USA. */ |
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20 | |||
21 | #ifndef GNU_COFF_INTERNAL_H |
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22 | #define GNU_COFF_INTERNAL_H 1 |
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23 | |||
24 | /* First, make "signed char" work, even on old compilers. */ |
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25 | #ifndef signed |
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26 | #ifndef __STDC__ |
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27 | #define signed /**/ |
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28 | #endif |
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29 | #endif |
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30 | |||
31 | /********************** FILE HEADER **********************/ |
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32 | |||
33 | /* extra stuff in a PE header. */ |
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34 | |||
35 | struct internal_extra_pe_filehdr |
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36 | { |
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37 | /* DOS header data follows for PE stuff */ |
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38 | unsigned short e_magic; /* Magic number, 0x5a4d */ |
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39 | unsigned short e_cblp; /* Bytes on last page of file, 0x90 */ |
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40 | unsigned short e_cp; /* Pages in file, 0x3 */ |
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41 | unsigned short e_crlc; /* Relocations, 0x0 */ |
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42 | unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */ |
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43 | unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */ |
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44 | unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */ |
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45 | unsigned short e_ss; /* Initial (relative) SS value, 0x0 */ |
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46 | unsigned short e_sp; /* Initial SP value, 0xb8 */ |
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47 | unsigned short e_csum; /* Checksum, 0x0 */ |
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48 | unsigned short e_ip; /* Initial IP value, 0x0 */ |
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49 | unsigned short e_cs; /* Initial (relative) CS value, 0x0 */ |
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50 | unsigned short e_lfarlc; /* File address of relocation table, 0x40 */ |
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51 | unsigned short e_ovno; /* Overlay number, 0x0 */ |
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52 | unsigned short e_res[4]; /* Reserved words, all 0x0 */ |
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53 | unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */ |
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54 | unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */ |
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55 | unsigned short e_res2[10]; /* Reserved words, all 0x0 */ |
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56 | bfd_vma e_lfanew; /* File address of new exe header, 0x80 */ |
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57 | unsigned long dos_message[16]; /* text which always follows dos header */ |
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6324 | serge | 58 | bfd_vma nt_signature; /* required NT signature, 0x4550 */ |
5191 | serge | 59 | }; |
60 | |||
61 | #define GO32_STUBSIZE 2048 |
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62 | |||
63 | struct internal_filehdr |
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64 | { |
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65 | struct internal_extra_pe_filehdr pe; |
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66 | |||
67 | /* coff-stgo32 EXE stub header before BFD tdata has been allocated. |
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68 | Its data is kept in INTERNAL_FILEHDR.GO32STUB afterwards. |
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6324 | serge | 69 | |
5191 | serge | 70 | F_GO32STUB is set iff go32stub contains a valid data. Artifical headers |
71 | created in BFD have no pre-set go32stub. */ |
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72 | char go32stub[GO32_STUBSIZE]; |
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73 | |||
74 | /* Standard coff internal info. */ |
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75 | unsigned short f_magic; /* magic number */ |
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6324 | serge | 76 | unsigned int f_nscns; /* number of sections */ |
5191 | serge | 77 | long f_timdat; /* time & date stamp */ |
78 | bfd_vma f_symptr; /* file pointer to symtab */ |
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79 | long f_nsyms; /* number of symtab entries */ |
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80 | unsigned short f_opthdr; /* sizeof(optional hdr) */ |
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81 | unsigned short f_flags; /* flags */ |
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82 | unsigned short f_target_id; /* (TI COFF specific) */ |
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83 | }; |
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84 | |||
85 | |||
86 | /* Bits for f_flags: |
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87 | F_RELFLG relocation info stripped from file |
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88 | F_EXEC file is executable (no unresolved external references) |
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89 | F_LNNO line numbers stripped from file |
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90 | F_LSYMS local symbols stripped from file |
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91 | F_AR16WR file is 16-bit little-endian |
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92 | F_AR32WR file is 32-bit little-endian |
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93 | F_AR32W file is 32-bit big-endian |
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94 | F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports |
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95 | F_SHROBJ rs/6000 aix: file is a shared object |
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96 | F_DLL PE format DLL |
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97 | F_GO32STUB Field go32stub contains valid data. */ |
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98 | |||
99 | #define F_RELFLG (0x0001) |
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100 | #define F_EXEC (0x0002) |
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101 | #define F_LNNO (0x0004) |
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102 | #define F_LSYMS (0x0008) |
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103 | #define F_AR16WR (0x0080) |
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104 | #define F_AR32WR (0x0100) |
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105 | #define F_AR32W (0x0200) |
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106 | #define F_DYNLOAD (0x1000) |
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107 | #define F_SHROBJ (0x2000) |
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108 | #define F_DLL (0x2000) |
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109 | #define F_GO32STUB (0x4000) |
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110 | |||
111 | /* Extra structure which is used in the optional header. */ |
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6324 | serge | 112 | typedef struct _IMAGE_DATA_DIRECTORY |
5191 | serge | 113 | { |
114 | bfd_vma VirtualAddress; |
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115 | long Size; |
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116 | } IMAGE_DATA_DIRECTORY; |
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117 | #define PE_EXPORT_TABLE 0 |
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118 | #define PE_IMPORT_TABLE 1 |
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119 | #define PE_RESOURCE_TABLE 2 |
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120 | #define PE_EXCEPTION_TABLE 3 |
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121 | #define PE_CERTIFICATE_TABLE 4 |
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122 | #define PE_BASE_RELOCATION_TABLE 5 |
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123 | #define PE_DEBUG_DATA 6 |
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124 | #define PE_ARCHITECTURE 7 |
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125 | #define PE_GLOBAL_PTR 8 |
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126 | #define PE_TLS_TABLE 9 |
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127 | #define PE_LOAD_CONFIG_TABLE 10 |
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128 | #define PE_BOUND_IMPORT_TABLE 11 |
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129 | #define PE_IMPORT_ADDRESS_TABLE 12 |
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130 | #define PE_DELAY_IMPORT_DESCRIPTOR 13 |
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131 | #define PE_CLR_RUNTIME_HEADER 14 |
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132 | /* DataDirectory[15] is currently reserved, so no define. */ |
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133 | #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16 |
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134 | |||
6324 | serge | 135 | /* Extra structure used in debug directory. */ |
136 | struct internal_IMAGE_DEBUG_DIRECTORY |
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137 | { |
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138 | unsigned long Characteristics; |
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139 | unsigned long TimeDateStamp; |
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140 | unsigned short MajorVersion; |
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141 | unsigned short MinorVersion; |
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142 | unsigned long Type; |
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143 | unsigned long SizeOfData; |
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144 | unsigned long AddressOfRawData; |
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145 | unsigned long PointerToRawData; |
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146 | }; |
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147 | |||
148 | #define PE_IMAGE_DEBUG_TYPE_UNKNOWN 0 |
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149 | #define PE_IMAGE_DEBUG_TYPE_COFF 1 |
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150 | #define PE_IMAGE_DEBUG_TYPE_CODEVIEW 2 |
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151 | #define PE_IMAGE_DEBUG_TYPE_FPO 3 |
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152 | #define PE_IMAGE_DEBUG_TYPE_MISC 4 |
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153 | #define PE_IMAGE_DEBUG_TYPE_EXCEPTION 5 |
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154 | #define PE_IMAGE_DEBUG_TYPE_FIXUP 6 |
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155 | #define PE_IMAGE_DEBUG_TYPE_OMAP_TO_SRC 7 |
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156 | #define PE_IMAGE_DEBUG_TYPE_OMAP_FROM_SRC 8 |
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157 | #define PE_IMAGE_DEBUG_TYPE_BORLAND 9 |
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158 | #define PE_IMAGE_DEBUG_TYPE_RESERVED10 10 |
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159 | #define PE_IMAGE_DEBUG_TYPE_CLSID 11 |
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160 | |||
161 | /* Extra structure for a codeview debug record */ |
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162 | #define CV_INFO_SIGNATURE_LENGTH 16 |
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163 | |||
164 | typedef struct _CODEVIEW_INFO |
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165 | { |
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166 | unsigned long CVSignature; |
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167 | char Signature[CV_INFO_SIGNATURE_LENGTH]; |
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168 | unsigned int SignatureLength; |
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169 | unsigned long Age; |
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170 | // char PdbFileName[]; |
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171 | } CODEVIEW_INFO; |
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172 | |||
5191 | serge | 173 | /* Default image base for NT. */ |
174 | #define NT_EXE_IMAGE_BASE 0x400000 |
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175 | #define NT_DLL_IMAGE_BASE 0x10000000 |
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176 | |||
177 | /* Default image base for BeOS. */ |
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178 | #define BEOS_EXE_IMAGE_BASE 0x80000000 |
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179 | #define BEOS_DLL_IMAGE_BASE 0x10000000 |
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180 | |||
181 | /* Extra stuff in a PE aouthdr */ |
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182 | |||
183 | #define PE_DEF_SECTION_ALIGNMENT 0x1000 |
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184 | #ifndef PE_DEF_FILE_ALIGNMENT |
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185 | # define PE_DEF_FILE_ALIGNMENT 0x200 |
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186 | #endif |
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187 | |||
6324 | serge | 188 | struct internal_extra_pe_aouthdr |
5191 | serge | 189 | { |
190 | /* FIXME: The following entries are in AOUTHDR. But they aren't |
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191 | available internally in bfd. We add them here so that objdump |
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192 | can dump them. */ |
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6324 | serge | 193 | /* The state of the image file. */ |
5191 | serge | 194 | short Magic; |
6324 | serge | 195 | /* Linker major version number. */ |
5191 | serge | 196 | char MajorLinkerVersion; |
6324 | serge | 197 | /* Linker minor version number. */ |
5191 | serge | 198 | char MinorLinkerVersion; |
6324 | serge | 199 | /* Total size of all code sections. */ |
5191 | serge | 200 | long SizeOfCode; |
6324 | serge | 201 | /* Total size of all initialized data sections. */ |
5191 | serge | 202 | long SizeOfInitializedData; |
6324 | serge | 203 | /* Total size of all uninitialized data sections. */ |
5191 | serge | 204 | long SizeOfUninitializedData; |
205 | /* Address of entry point relative to image base. */ |
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206 | bfd_vma AddressOfEntryPoint; |
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207 | /* Address of the first code section relative to image base. */ |
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208 | bfd_vma BaseOfCode; |
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209 | /* Address of the first data section relative to image base. */ |
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210 | bfd_vma BaseOfData; |
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6324 | serge | 211 | |
5191 | serge | 212 | /* PE stuff */ |
6324 | serge | 213 | bfd_vma ImageBase; /* Address of specific location in memory that |
214 | file is located, NT default 0x10000. */ |
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5191 | serge | 215 | |
6324 | serge | 216 | bfd_vma SectionAlignment; /* Section alignment default 0x1000. */ |
217 | bfd_vma FileAlignment; /* File alignment default 0x200. */ |
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218 | short MajorOperatingSystemVersion; /* Minimum version of the operating. */ |
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219 | short MinorOperatingSystemVersion; /* System req'd for exe, default to 1. */ |
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220 | short MajorImageVersion; /* User defineable field to store version of */ |
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221 | short MinorImageVersion; /* exe or dll being created, default to 0. */ |
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222 | short MajorSubsystemVersion; /* Minimum subsystem version required to */ |
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223 | short MinorSubsystemVersion; /* run exe; default to 3.1. */ |
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224 | long Reserved1; /* Seems to be 0. */ |
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225 | long SizeOfImage; /* Size of memory to allocate for prog. */ |
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226 | long SizeOfHeaders; /* Size of PE header and section table. */ |
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227 | long CheckSum; /* Set to 0. */ |
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5191 | serge | 228 | short Subsystem; |
229 | |||
6324 | serge | 230 | /* Type of subsystem exe uses for user interface, |
5191 | serge | 231 | possible values: |
232 | 1 - NATIVE Doesn't require a subsystem |
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233 | 2 - WINDOWS_GUI runs in Windows GUI subsystem |
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234 | 3 - WINDOWS_CUI runs in Windows char sub. (console app) |
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235 | 5 - OS2_CUI runs in OS/2 character subsystem |
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6324 | serge | 236 | 7 - POSIX_CUI runs in Posix character subsystem. */ |
237 | unsigned short DllCharacteristics; /* flags for DLL init. */ |
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238 | bfd_vma SizeOfStackReserve; /* Amount of memory to reserve. */ |
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239 | bfd_vma SizeOfStackCommit; /* Amount of memory initially committed for |
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240 | initial thread's stack, default is 0x1000. */ |
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241 | bfd_vma SizeOfHeapReserve; /* Amount of virtual memory to reserve and */ |
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242 | bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to. */ |
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243 | long LoaderFlags; /* Can probably set to 0. */ |
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244 | long NumberOfRvaAndSizes; /* Number of entries in next entry, 16. */ |
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5191 | serge | 245 | IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES]; |
246 | }; |
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247 | |||
248 | /********************** AOUT "OPTIONAL HEADER" **********************/ |
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249 | struct internal_aouthdr |
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250 | { |
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251 | short magic; /* type of file */ |
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252 | short vstamp; /* version stamp */ |
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253 | bfd_vma tsize; /* text size in bytes, padded to FW bdry*/ |
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254 | bfd_vma dsize; /* initialized data " " */ |
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255 | bfd_vma bsize; /* uninitialized data " " */ |
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256 | bfd_vma entry; /* entry pt. */ |
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257 | bfd_vma text_start; /* base of text used for this file */ |
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258 | bfd_vma data_start; /* base of data used for this file */ |
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259 | |||
260 | /* i960 stuff */ |
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261 | unsigned long tagentries; /* number of tag entries to follow */ |
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262 | |||
263 | /* RS/6000 stuff */ |
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264 | bfd_vma o_toc; /* address of TOC */ |
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265 | short o_snentry; /* section number for entry point */ |
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266 | short o_sntext; /* section number for text */ |
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267 | short o_sndata; /* section number for data */ |
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268 | short o_sntoc; /* section number for toc */ |
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269 | short o_snloader; /* section number for loader section */ |
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270 | short o_snbss; /* section number for bss */ |
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271 | short o_algntext; /* max alignment for text */ |
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272 | short o_algndata; /* max alignment for data */ |
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273 | short o_modtype; /* Module type field, 1R,RE,RO */ |
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274 | short o_cputype; /* Encoded CPU type */ |
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275 | bfd_vma o_maxstack; /* max stack size allowed. */ |
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276 | bfd_vma o_maxdata; /* max data size allowed. */ |
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277 | |||
278 | /* ECOFF stuff */ |
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279 | bfd_vma bss_start; /* Base of bss section. */ |
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280 | bfd_vma gp_value; /* GP register value. */ |
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281 | unsigned long gprmask; /* General registers used. */ |
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282 | unsigned long cprmask[4]; /* Coprocessor registers used. */ |
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283 | unsigned long fprmask; /* Floating pointer registers used. */ |
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284 | |||
285 | /* Apollo stuff */ |
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286 | long o_inlib; /* inlib data */ |
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287 | long o_sri; /* Static Resource Information */ |
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288 | long vid[2]; /* Version id */ |
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289 | |||
290 | struct internal_extra_pe_aouthdr pe; |
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291 | }; |
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292 | |||
293 | /********************** STORAGE CLASSES **********************/ |
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294 | |||
295 | /* This used to be defined as -1, but now n_sclass is unsigned. */ |
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296 | #define C_EFCN 0xff /* physical end of function */ |
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297 | #define C_NULL 0 |
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298 | #define C_AUTO 1 /* automatic variable */ |
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299 | #define C_EXT 2 /* external symbol */ |
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300 | #define C_STAT 3 /* static */ |
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301 | #define C_REG 4 /* register variable */ |
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302 | #define C_EXTDEF 5 /* external definition */ |
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303 | #define C_LABEL 6 /* label */ |
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304 | #define C_ULABEL 7 /* undefined label */ |
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305 | #define C_MOS 8 /* member of structure */ |
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306 | #define C_ARG 9 /* function argument */ |
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307 | #define C_STRTAG 10 /* structure tag */ |
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308 | #define C_MOU 11 /* member of union */ |
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309 | #define C_UNTAG 12 /* union tag */ |
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310 | #define C_TPDEF 13 /* type definition */ |
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311 | #define C_USTATIC 14 /* undefined static */ |
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312 | #define C_ENTAG 15 /* enumeration tag */ |
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313 | #define C_MOE 16 /* member of enumeration */ |
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314 | #define C_REGPARM 17 /* register parameter */ |
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315 | #define C_FIELD 18 /* bit field */ |
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316 | #define C_AUTOARG 19 /* auto argument */ |
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317 | #define C_LASTENT 20 /* dummy entry (end of block) */ |
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318 | #define C_BLOCK 100 /* ".bb" or ".eb" */ |
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319 | #define C_FCN 101 /* ".bf" or ".ef" */ |
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320 | #define C_EOS 102 /* end of structure */ |
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321 | #define C_FILE 103 /* file name */ |
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322 | #define C_LINE 104 /* line # reformatted as symbol table entry */ |
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323 | #define C_ALIAS 105 /* duplicate tag */ |
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324 | #define C_HIDDEN 106 /* ext symbol in dmert public lib */ |
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325 | #define C_WEAKEXT 127 /* weak symbol -- GNU extension. */ |
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326 | |||
327 | /* New storage classes for TI COFF */ |
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328 | #define C_UEXT 19 /* Tentative external definition */ |
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329 | #define C_STATLAB 20 /* Static load time label */ |
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330 | #define C_EXTLAB 21 /* External load time label */ |
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331 | #define C_SYSTEM 23 /* System Wide variable */ |
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332 | |||
333 | /* New storage classes for WINDOWS_NT */ |
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334 | #define C_SECTION 104 /* section name */ |
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335 | #define C_NT_WEAK 105 /* weak external */ |
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336 | |||
337 | /* New storage classes for 80960 */ |
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338 | |||
339 | /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */ |
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340 | #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */ |
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341 | |||
342 | #define C_SCALL 107 /* Procedure reachable via system call */ |
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343 | #define C_LEAFEXT 108 /* External leaf */ |
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344 | #define C_LEAFSTAT 113 /* Static leaf */ |
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345 | #define C_OPTVAR 109 /* Optimized variable */ |
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346 | #define C_DEFINE 110 /* Preprocessor #define */ |
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347 | #define C_PRAGMA 111 /* Advice to compiler or linker */ |
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348 | #define C_SEGMENT 112 /* 80960 segment name */ |
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349 | |||
350 | /* Storage classes for m88k */ |
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351 | #define C_SHADOW 107 /* shadow symbol */ |
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352 | #define C_VERSION 108 /* coff version symbol */ |
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353 | |||
354 | /* New storage classes for RS/6000 */ |
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355 | #define C_HIDEXT 107 /* Un-named external symbol */ |
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356 | #define C_BINCL 108 /* Marks beginning of include file */ |
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357 | #define C_EINCL 109 /* Marks ending of include file */ |
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358 | #define C_AIX_WEAKEXT 111 /* AIX definition of C_WEAKEXT. */ |
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359 | |||
360 | #define C_NULL_VALUE 0x00de1e00 /* Value for a C_NULL deleted entry. */ |
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361 | |||
362 | #if defined _AIX52 || defined AIX_WEAK_SUPPORT |
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363 | #undef C_WEAKEXT |
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364 | #define C_WEAKEXT C_AIX_WEAKEXT |
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365 | #endif |
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366 | |||
367 | /* storage classes for stab symbols for RS/6000 */ |
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368 | #define C_GSYM (0x80) |
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369 | #define C_LSYM (0x81) |
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370 | #define C_PSYM (0x82) |
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371 | #define C_RSYM (0x83) |
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372 | #define C_RPSYM (0x84) |
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373 | #define C_STSYM (0x85) |
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374 | #define C_TCSYM (0x86) |
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375 | #define C_BCOMM (0x87) |
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376 | #define C_ECOML (0x88) |
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377 | #define C_ECOMM (0x89) |
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378 | #define C_DECL (0x8c) |
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379 | #define C_ENTRY (0x8d) |
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380 | #define C_FUN (0x8e) |
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381 | #define C_BSTAT (0x8f) |
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382 | #define C_ESTAT (0x90) |
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383 | #define C_GTLS (0x97) |
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384 | #define C_STTLS (0x98) |
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385 | |||
386 | /* Storage classes for Thumb symbols */ |
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387 | #define C_THUMBEXT (128 + C_EXT) /* 130 */ |
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388 | #define C_THUMBSTAT (128 + C_STAT) /* 131 */ |
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389 | #define C_THUMBLABEL (128 + C_LABEL) /* 134 */ |
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390 | #define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */ |
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391 | #define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */ |
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392 | |||
393 | /* True if XCOFF symbols of class CLASS have auxillary csect information. */ |
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394 | #define CSECT_SYM_P(CLASS) \ |
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395 | ((CLASS) == C_EXT || (CLASS) == C_AIX_WEAKEXT || (CLASS) == C_HIDEXT) |
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396 | |||
397 | /********************** SECTION HEADER **********************/ |
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398 | |||
399 | #define SCNNMLEN (8) |
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400 | |||
401 | struct internal_scnhdr |
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402 | { |
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403 | char s_name[SCNNMLEN]; /* section name */ |
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404 | |||
405 | /* Physical address, aliased s_nlib. |
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406 | In the pei format, this field is the virtual section size |
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407 | (the size of the section after being loaded int memory), |
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408 | NOT the physical address. */ |
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409 | bfd_vma s_paddr; |
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410 | |||
411 | bfd_vma s_vaddr; /* virtual address */ |
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412 | bfd_vma s_size; /* section size */ |
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413 | bfd_vma s_scnptr; /* file ptr to raw data for section */ |
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414 | bfd_vma s_relptr; /* file ptr to relocation */ |
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415 | bfd_vma s_lnnoptr; /* file ptr to line numbers */ |
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416 | unsigned long s_nreloc; /* number of relocation entries */ |
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417 | unsigned long s_nlnno; /* number of line number entries*/ |
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418 | long s_flags; /* flags */ |
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419 | long s_align; /* used on I960 */ |
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420 | unsigned char s_page; /* TI COFF load page */ |
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421 | }; |
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422 | |||
423 | /* s_flags "type". */ |
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424 | #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */ |
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425 | #define STYP_DSECT (0x0001) /* "dummy": relocated only*/ |
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426 | #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */ |
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427 | #define STYP_GROUP (0x0004) /* "grouped": formed of input sections */ |
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428 | #define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */ |
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429 | #define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated, |
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430 | loaded; reloc & lineno entries processed normally */ |
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431 | #define STYP_TEXT (0x0020) /* section contains text only */ |
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432 | #define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile |
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433 | will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will |
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434 | update all process invocations. */ |
||
435 | #define STYP_DATA (0x0040) /* section contains data only */ |
||
436 | #define STYP_BSS (0x0080) /* section contains bss only */ |
||
437 | #define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */ |
||
438 | #define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */ |
||
439 | #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */ |
||
440 | #define STYP_LIB (0x0800) /* for .lib: same as INFO */ |
||
441 | #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */ |
||
442 | #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions |
||
443 | wherever padding is necessary and there is a |
||
444 | word of contiguous bytes beginning on a word |
||
445 | boundary. */ |
||
446 | |||
447 | #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */ |
||
448 | |||
449 | |||
450 | /********************** LINE NUMBERS **********************/ |
||
451 | |||
452 | /* 1 line number entry for every "breakpointable" source line in a section. |
||
453 | Line numbers are grouped on a per function basis; first entry in a function |
||
454 | grouping will have l_lnno = 0 and in place of physical address will be the |
||
455 | symbol table index of the function name. */ |
||
456 | |||
457 | struct internal_lineno |
||
458 | { |
||
459 | union |
||
460 | { |
||
461 | bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/ |
||
462 | bfd_signed_vma l_paddr; /* (physical) address of line number */ |
||
463 | } l_addr; |
||
464 | unsigned long l_lnno; /* line number */ |
||
465 | }; |
||
466 | |||
467 | /********************** SYMBOLS **********************/ |
||
468 | |||
469 | #define SYMNMLEN 8 /* # characters in a symbol name */ |
||
470 | #define FILNMLEN 14 /* # characters in a file name */ |
||
471 | #define DIMNUM 4 /* # array dimensions in auxiliary entry */ |
||
472 | |||
473 | struct internal_syment |
||
474 | { |
||
475 | union |
||
476 | { |
||
477 | char _n_name[SYMNMLEN]; /* old COFF version */ |
||
478 | struct |
||
479 | { |
||
480 | bfd_hostptr_t _n_zeroes; /* new == 0 */ |
||
481 | bfd_hostptr_t _n_offset; /* offset into string table */ |
||
482 | } _n_n; |
||
483 | char *_n_nptr[2]; /* allows for overlaying */ |
||
484 | } _n; |
||
485 | bfd_vma n_value; /* value of symbol */ |
||
486 | short n_scnum; /* section number */ |
||
487 | unsigned short n_flags; /* copy of flags from filhdr */ |
||
488 | unsigned short n_type; /* type and derived type */ |
||
489 | unsigned char n_sclass; /* storage class */ |
||
490 | unsigned char n_numaux; /* number of aux. entries */ |
||
491 | }; |
||
492 | |||
493 | #define n_name _n._n_name |
||
494 | #define n_zeroes _n._n_n._n_zeroes |
||
495 | #define n_offset _n._n_n._n_offset |
||
496 | |||
497 | /* Relocatable symbols have number of the section in which they are defined, |
||
498 | or one of the following: */ |
||
499 | |||
500 | #define N_UNDEF ((short)0) /* undefined symbol */ |
||
501 | #define N_ABS ((short)-1) /* value of symbol is absolute */ |
||
502 | #define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */ |
||
503 | #define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */ |
||
504 | #define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/ |
||
505 | |||
506 | /* Type of a symbol, in low N bits of the word. */ |
||
507 | |||
508 | #define T_NULL 0 |
||
509 | #define T_VOID 1 /* function argument (only used by compiler) */ |
||
510 | #define T_CHAR 2 /* character */ |
||
511 | #define T_SHORT 3 /* short integer */ |
||
512 | #define T_INT 4 /* integer */ |
||
513 | #define T_LONG 5 /* long integer */ |
||
514 | #define T_FLOAT 6 /* floating point */ |
||
515 | #define T_DOUBLE 7 /* double word */ |
||
516 | #define T_STRUCT 8 /* structure */ |
||
517 | #define T_UNION 9 /* union */ |
||
518 | #define T_ENUM 10 /* enumeration */ |
||
519 | #define T_MOE 11 /* member of enumeration*/ |
||
520 | #define T_UCHAR 12 /* unsigned character */ |
||
521 | #define T_USHORT 13 /* unsigned short */ |
||
522 | #define T_UINT 14 /* unsigned integer */ |
||
523 | #define T_ULONG 15 /* unsigned long */ |
||
524 | #define T_LNGDBL 16 /* long double */ |
||
525 | |||
526 | /* Derived types, in n_type. */ |
||
527 | |||
528 | #define DT_NON (0) /* no derived type */ |
||
529 | #define DT_PTR (1) /* pointer */ |
||
530 | #define DT_FCN (2) /* function */ |
||
531 | #define DT_ARY (3) /* array */ |
||
532 | |||
533 | #define BTYPE(x) ((x) & N_BTMASK) |
||
534 | #define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT) |
||
535 | |||
536 | #define ISPTR(x) \ |
||
537 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT)) |
||
538 | #define ISFCN(x) \ |
||
539 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT)) |
||
540 | #define ISARY(x) \ |
||
541 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT)) |
||
542 | #define ISTAG(x) \ |
||
543 | ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG) |
||
544 | #define DECREF(x) \ |
||
545 | ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK)) |
||
546 | |||
547 | union internal_auxent |
||
548 | { |
||
549 | struct |
||
550 | { |
||
551 | |||
552 | union |
||
553 | { |
||
554 | long l; /* str, un, or enum tag indx */ |
||
555 | struct coff_ptr_struct *p; |
||
556 | } x_tagndx; |
||
557 | |||
558 | union |
||
559 | { |
||
560 | struct |
||
561 | { |
||
562 | unsigned short x_lnno; /* declaration line number */ |
||
563 | unsigned short x_size; /* str/union/array size */ |
||
564 | } x_lnsz; |
||
565 | long x_fsize; /* size of function */ |
||
566 | } x_misc; |
||
567 | |||
568 | union |
||
569 | { |
||
570 | struct |
||
571 | { /* if ISFCN, tag, or .bb */ |
||
572 | bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */ |
||
573 | union |
||
574 | { /* entry ndx past block end */ |
||
575 | long l; |
||
576 | struct coff_ptr_struct *p; |
||
577 | } x_endndx; |
||
578 | } x_fcn; |
||
579 | |||
580 | struct |
||
581 | { /* if ISARY, up to 4 dimen. */ |
||
582 | unsigned short x_dimen[DIMNUM]; |
||
583 | } x_ary; |
||
584 | } x_fcnary; |
||
585 | |||
586 | unsigned short x_tvndx; /* tv index */ |
||
587 | } x_sym; |
||
588 | |||
589 | union |
||
590 | { |
||
6324 | serge | 591 | /* PR 17754: We use to FILNMLEN for the size of the x_fname |
592 | array, but that cause problems as PE targets use a larger |
||
593 | value. We cannot use their definition of EFILNMLEN as this |
||
594 | header can be used without including any PE headers. */ |
||
595 | char x_fname[20]; |
||
5191 | serge | 596 | struct |
597 | { |
||
598 | long x_zeroes; |
||
599 | long x_offset; |
||
600 | } x_n; |
||
601 | } x_file; |
||
602 | |||
603 | struct |
||
604 | { |
||
605 | long x_scnlen; /* section length */ |
||
606 | unsigned short x_nreloc; /* # relocation entries */ |
||
607 | unsigned short x_nlinno; /* # line numbers */ |
||
608 | unsigned long x_checksum; /* section COMDAT checksum for PE */ |
||
609 | unsigned short x_associated; /* COMDAT associated section index for PE */ |
||
610 | unsigned char x_comdat; /* COMDAT selection number for PE */ |
||
611 | } x_scn; |
||
612 | |||
613 | struct |
||
614 | { |
||
615 | long x_tvfill; /* tv fill value */ |
||
616 | unsigned short x_tvlen; /* length of .tv */ |
||
617 | unsigned short x_tvran[2]; /* tv range */ |
||
618 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */ |
||
619 | |||
620 | /****************************************** |
||
621 | * RS/6000-specific auxent - last auxent for every external symbol |
||
622 | ******************************************/ |
||
623 | struct |
||
624 | { |
||
625 | union |
||
626 | { /* csect length or enclosing csect */ |
||
627 | bfd_signed_vma l; |
||
628 | struct coff_ptr_struct *p; |
||
629 | } x_scnlen; |
||
630 | long x_parmhash; /* parm type hash index */ |
||
631 | unsigned short x_snhash; /* sect num with parm hash */ |
||
632 | unsigned char x_smtyp; /* symbol align and type */ |
||
633 | /* 0-4 - Log 2 of alignment */ |
||
634 | /* 5-7 - symbol type */ |
||
635 | unsigned char x_smclas; /* storage mapping class */ |
||
636 | long x_stab; /* dbx stab info index */ |
||
637 | unsigned short x_snstab; /* sect num with dbx stab */ |
||
638 | } x_csect; /* csect definition information */ |
||
639 | |||
640 | /* x_smtyp values: */ |
||
641 | |||
642 | #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */ |
||
643 | #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */ |
||
644 | /* Symbol type values: */ |
||
645 | #define XTY_ER 0 /* External reference */ |
||
646 | #define XTY_SD 1 /* Csect definition */ |
||
647 | #define XTY_LD 2 /* Label definition */ |
||
648 | #define XTY_CM 3 /* .BSS */ |
||
649 | #define XTY_EM 4 /* Error message */ |
||
650 | #define XTY_US 5 /* "Reserved for internal use" */ |
||
651 | |||
652 | /* x_smclas values: */ |
||
653 | |||
654 | #define XMC_PR 0 /* Read-only program code */ |
||
655 | #define XMC_RO 1 /* Read-only constant */ |
||
656 | #define XMC_DB 2 /* Read-only debug dictionary table */ |
||
657 | #define XMC_TC 3 /* Read-write general TOC entry */ |
||
658 | #define XMC_UA 4 /* Read-write unclassified */ |
||
659 | #define XMC_RW 5 /* Read-write data */ |
||
660 | #define XMC_GL 6 /* Read-only global linkage */ |
||
661 | #define XMC_XO 7 /* Read-only extended operation */ |
||
662 | #define XMC_SV 8 /* Read-only supervisor call */ |
||
663 | #define XMC_BS 9 /* Read-write BSS */ |
||
664 | #define XMC_DS 10 /* Read-write descriptor csect */ |
||
665 | #define XMC_UC 11 /* Read-write unnamed Fortran common */ |
||
666 | #define XMC_TI 12 /* Read-only traceback index csect */ |
||
667 | #define XMC_TB 13 /* Read-only traceback table csect */ |
||
668 | /* 14 ??? */ |
||
669 | #define XMC_TC0 15 /* Read-write TOC anchor */ |
||
670 | #define XMC_TD 16 /* Read-write data in TOC */ |
||
671 | |||
672 | /****************************************** |
||
673 | * I960-specific *2nd* aux. entry formats |
||
674 | ******************************************/ |
||
675 | struct |
||
676 | { |
||
677 | /* This is a very old typo that keeps getting propagated. */ |
||
678 | #define x_stdindx x_stindx |
||
679 | long x_stindx; /* sys. table entry */ |
||
680 | } x_sc; /* system call entry */ |
||
681 | |||
682 | struct |
||
683 | { |
||
684 | unsigned long x_balntry; /* BAL entry point */ |
||
685 | } x_bal; /* BAL-callable function */ |
||
686 | |||
687 | struct |
||
688 | { |
||
689 | unsigned long x_timestamp; /* time stamp */ |
||
690 | char x_idstring[20]; /* producer identity string */ |
||
691 | } x_ident; /* Producer ident info */ |
||
692 | |||
693 | }; |
||
694 | |||
695 | /********************** RELOCATION DIRECTIVES **********************/ |
||
696 | |||
697 | struct internal_reloc |
||
698 | { |
||
699 | bfd_vma r_vaddr; /* Virtual address of reference */ |
||
700 | long r_symndx; /* Index into symbol table */ |
||
701 | unsigned short r_type; /* Relocation type */ |
||
702 | unsigned char r_size; /* Used by RS/6000 and ECOFF */ |
||
703 | unsigned char r_extern; /* Used by ECOFF */ |
||
704 | unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */ |
||
705 | }; |
||
706 | |||
707 | /* X86-64 relocations. */ |
||
708 | #define R_AMD64_ABS 0 /* Reference is absolute, no relocation is necessary. */ |
||
709 | #define R_AMD64_DIR64 1 /* 64-bit address (VA). */ |
||
710 | #define R_AMD64_DIR32 2 /* 32-bit address (VA) R_DIR32. */ |
||
711 | #define R_AMD64_IMAGEBASE 3 /* 32-bit absolute ref w/o base R_IMAGEBASE. */ |
||
712 | #define R_AMD64_PCRLONG 4 /* 32-bit relative address from byte following reloc R_PCRLONG. */ |
||
713 | #define R_AMD64_PCRLONG_1 5 /* 32-bit relative address from byte distance 1 from reloc. */ |
||
714 | #define R_AMD64_PCRLONG_2 6 /* 32-bit relative address from byte distance 2 from reloc. */ |
||
715 | #define R_AMD64_PCRLONG_3 7 /* 32-bit relative address from byte distance 3 from reloc. */ |
||
716 | #define R_AMD64_PCRLONG_4 8 /* 32-bit relative address from byte distance 4 from reloc. */ |
||
717 | #define R_AMD64_PCRLONG_5 9 /* 32-bit relative address from byte distance 5 from reloc. */ |
||
718 | #define R_AMD64_SECTION 10 /* Section index. */ |
||
719 | #define R_AMD64_SECREL 11 /* 32 bit offset from base of section containing target R_SECREL. */ |
||
720 | #define R_AMD64_SECREL7 12 /* 7 bit unsigned offset from base of section containing target. */ |
||
721 | #define R_AMD64_TOKEN 13 /* 32 bit metadata token. */ |
||
722 | #define R_AMD64_PCRQUAD 14 /* Pseude PC64 relocation - Note: not specified by MS/AMD but need for gas pc-relative 64bit wide relocation generated by ELF. */ |
||
723 | |||
724 | /* i386 Relocations. */ |
||
725 | |||
726 | #define R_DIR16 1 |
||
727 | #define R_REL24 5 |
||
728 | #define R_DIR32 6 |
||
729 | #define R_IMAGEBASE 7 |
||
730 | #define R_SECREL32 11 |
||
731 | #define R_RELBYTE 15 |
||
732 | #define R_RELWORD 16 |
||
733 | #define R_RELLONG 17 |
||
734 | #define R_PCRBYTE 18 |
||
735 | #define R_PCRWORD 19 |
||
736 | #define R_PCRLONG 20 |
||
737 | #define R_PCR24 21 |
||
738 | #define R_IPRSHORT 24 |
||
739 | #define R_IPRLONG 26 |
||
740 | #define R_GETSEG 29 |
||
741 | #define R_GETPA 30 |
||
742 | #define R_TAGWORD 31 |
||
743 | #define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */ |
||
744 | #define R_PARTLS16 32 |
||
745 | #define R_PARTMS8 33 |
||
746 | |||
747 | #define R_PCR16L 128 |
||
748 | #define R_PCR26L 129 |
||
749 | #define R_VRT16 130 |
||
750 | #define R_HVRT16 131 |
||
751 | #define R_LVRT16 132 |
||
752 | #define R_VRT32 133 |
||
753 | |||
754 | |||
755 | /* This reloc identifies mov.b instructions with a 16bit absolute |
||
756 | address. The linker tries to turn insns with this reloc into |
||
757 | an absolute 8-bit address. */ |
||
758 | #define R_MOV16B1 0x41 |
||
759 | |||
760 | /* This reloc identifies mov.b instructions which had a 16bit |
||
761 | absolute address which have been shortened into a 8-bit |
||
762 | absolute address. */ |
||
763 | #define R_MOV16B2 0x42 |
||
764 | |||
765 | /* This reloc identifies jmp insns with a 16bit target address; |
||
766 | the linker tries to turn these insns into bra insns with |
||
767 | an 8bit pc-relative target. */ |
||
768 | #define R_JMP1 0x43 |
||
769 | |||
770 | /* This reloc identifies a bra with an 8-bit pc-relative |
||
771 | target that was formerly a jmp insn with a 16bit target. */ |
||
772 | #define R_JMP2 0x44 |
||
773 | |||
774 | /* ??? */ |
||
775 | #define R_RELLONG_NEG 0x45 |
||
776 | |||
777 | /* This reloc identifies jmp insns with a 24bit target address; |
||
778 | the linker tries to turn these insns into bra insns with |
||
779 | an 8bit pc-relative target. */ |
||
780 | #define R_JMPL1 0x46 |
||
781 | |||
782 | /* This reloc identifies a bra with an 8-bit pc-relative |
||
783 | target that was formerly a jmp insn with a 24bit target. */ |
||
784 | #define R_JMPL2 0x47 |
||
785 | |||
786 | /* This reloc identifies mov.b instructions with a 24bit absolute |
||
787 | address. The linker tries to turn insns with this reloc into |
||
788 | an absolute 8-bit address. */ |
||
789 | |||
790 | #define R_MOV24B1 0x48 |
||
791 | |||
792 | /* This reloc identifies mov.b instructions which had a 24bit |
||
793 | absolute address which have been shortened into a 8-bit |
||
794 | absolute address. */ |
||
795 | #define R_MOV24B2 0x49 |
||
796 | |||
797 | /* An h8300 memory indirect jump/call. Forces the address of the jump/call |
||
798 | target into the function vector (in page zero), and the address of the |
||
799 | vector entry to be placed in the jump/call instruction. */ |
||
800 | #define R_MEM_INDIRECT 0x4a |
||
801 | |||
802 | /* This reloc identifies a 16bit pc-relative branch target which was |
||
803 | shortened into an 8bit pc-relative branch target. */ |
||
804 | #define R_PCRWORD_B 0x4b |
||
805 | |||
806 | /* This reloc identifies mov.[wl] instructions with a 32/24 bit |
||
807 | absolute address; the linker may turn this into a mov.[wl] |
||
808 | insn with a 16bit absolute address. */ |
||
809 | #define R_MOVL1 0x4c |
||
810 | |||
811 | /* This reloc identifies mov.[wl] insns which formerly had |
||
812 | a 32/24bit absolute address and now have a 16bit absolute address. */ |
||
813 | #define R_MOVL2 0x4d |
||
814 | |||
815 | /* This reloc identifies a bCC:8 which will have it's condition |
||
816 | inverted and its target redirected to the target of the branch |
||
817 | in the following insn. */ |
||
818 | #define R_BCC_INV 0x4e |
||
819 | |||
820 | /* This reloc identifies a jmp instruction that has been deleted. */ |
||
821 | #define R_JMP_DEL 0x4f |
||
822 | |||
823 | /* Z8k modes */ |
||
824 | #define R_IMM16 0x01 /* 16 bit abs */ |
||
825 | #define R_JR 0x02 /* jr 8 bit disp */ |
||
826 | #define R_IMM4L 0x23 /* low nibble */ |
||
827 | #define R_IMM8 0x22 /* 8 bit abs */ |
||
828 | #define R_IMM32 R_RELLONG /* 32 bit abs */ |
||
829 | #define R_CALL R_DA /* Absolute address which could be a callr */ |
||
830 | #define R_JP R_DA /* Absolute address which could be a jp */ |
||
831 | #define R_REL16 0x04 /* 16 bit PC rel */ |
||
832 | #define R_CALLR 0x05 /* callr 12 bit disp */ |
||
833 | #define R_SEG 0x10 /* set if in segmented mode */ |
||
834 | #define R_IMM4H 0x24 /* high nibble */ |
||
835 | #define R_DISP7 0x25 /* djnz displacement */ |
||
836 | |||
837 | /* Z80 modes */ |
||
838 | #define R_OFF8 0x32 /* 8 bit signed abs, for (i[xy]+d) */ |
||
839 | #define R_IMM24 0x33 /* 24 bit abs */ |
||
840 | /* R_JR, R_IMM8, R_IMM16, R_IMM32 - as for Z8k */ |
||
841 | |||
842 | /* H8500 modes */ |
||
843 | |||
844 | #define R_H8500_IMM8 1 /* 8 bit immediate */ |
||
845 | #define R_H8500_IMM16 2 /* 16 bit immediate */ |
||
846 | #define R_H8500_PCREL8 3 /* 8 bit pcrel */ |
||
847 | #define R_H8500_PCREL16 4 /* 16 bit pcrel */ |
||
848 | #define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */ |
||
849 | #define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */ |
||
850 | #define R_H8500_IMM24 6 /* 24 bit immediate */ |
||
851 | #define R_H8500_IMM32 8 /* 32 bit immediate */ |
||
852 | #define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */ |
||
853 | |||
854 | /* W65 modes */ |
||
855 | |||
856 | #define R_W65_ABS8 1 /* addr & 0xff */ |
||
857 | #define R_W65_ABS16 2 /* addr & 0xffff */ |
||
858 | #define R_W65_ABS24 3 /* addr & 0xffffff */ |
||
859 | |||
860 | #define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */ |
||
861 | #define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */ |
||
862 | |||
863 | #define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */ |
||
864 | #define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */ |
||
865 | |||
866 | #define R_W65_PCR8 8 |
||
867 | #define R_W65_PCR16 9 |
||
868 | |||
869 | #define R_W65_DP 10 /* direct page 8 bits only */ |
||
870 | |||
871 | #endif /* GNU_COFF_INTERNAL_H */><>><>><> |