1 | /* Internal format of COFF object file data structures, for GNU BFD.
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2 | This file is part of BFD, the Binary File Descriptor library.
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3 |
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4 | Copyright 2001 Free Software Foundation, Inc.
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5 |
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6 | This program is free software; you can redistribute it and/or modify
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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 2 of the License, or
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9 | (at your option) any later version.
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10 |
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11 | This program is distributed in the hope that it will be useful,
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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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15 |
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16 | You should have received a copy of the GNU General Public License
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17 | along with this program; if not, write to the Free Software
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18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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19 |
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20 | #ifndef GNU_COFF_INTERNAL_H
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21 | #define GNU_COFF_INTERNAL_H 1
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22 |
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23 | /* First, make "signed char" work, even on old compilers. */
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24 | #ifndef signed
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25 | #ifndef __STDC__
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26 | #define signed /**/
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27 | #endif
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28 | #endif
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29 |
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30 | /********************** FILE HEADER **********************/
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31 |
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32 | /* extra stuff in a PE header. */
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33 |
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34 | struct internal_extra_pe_filehdr
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35 | {
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36 | /* DOS header data follows for PE stuff */
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37 | unsigned short e_magic; /* Magic number, 0x5a4d */
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38 | unsigned short e_cblp; /* Bytes on last page of file, 0x90 */
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39 | unsigned short e_cp; /* Pages in file, 0x3 */
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40 | unsigned short e_crlc; /* Relocations, 0x0 */
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41 | unsigned short e_cparhdr; /* Size of header in paragraphs, 0x4 */
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42 | unsigned short e_minalloc; /* Minimum extra paragraphs needed, 0x0 */
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43 | unsigned short e_maxalloc; /* Maximum extra paragraphs needed, 0xFFFF */
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44 | unsigned short e_ss; /* Initial (relative) SS value, 0x0 */
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45 | unsigned short e_sp; /* Initial SP value, 0xb8 */
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46 | unsigned short e_csum; /* Checksum, 0x0 */
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47 | unsigned short e_ip; /* Initial IP value, 0x0 */
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48 | unsigned short e_cs; /* Initial (relative) CS value, 0x0 */
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49 | unsigned short e_lfarlc; /* File address of relocation table, 0x40 */
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50 | unsigned short e_ovno; /* Overlay number, 0x0 */
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51 | unsigned short e_res[4]; /* Reserved words, all 0x0 */
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52 | unsigned short e_oemid; /* OEM identifier (for e_oeminfo), 0x0 */
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53 | unsigned short e_oeminfo; /* OEM information; e_oemid specific, 0x0 */
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54 | unsigned short e_res2[10]; /* Reserved words, all 0x0 */
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55 | bfd_vma e_lfanew; /* File address of new exe header, 0x80 */
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56 | unsigned long dos_message[16]; /* text which always follows dos header */
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57 | bfd_vma nt_signature; /* required NT signature, 0x4550 */
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58 | };
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59 |
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60 | struct internal_filehdr
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61 | {
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62 | struct internal_extra_pe_filehdr pe;
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63 |
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64 | /* Standard coff internal info. */
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65 | unsigned short f_magic; /* magic number */
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66 | unsigned short f_nscns; /* number of sections */
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67 | long f_timdat; /* time & date stamp */
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68 | bfd_vma f_symptr; /* file pointer to symtab */
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69 | long f_nsyms; /* number of symtab entries */
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70 | unsigned short f_opthdr; /* sizeof(optional hdr) */
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71 | unsigned short f_flags; /* flags */
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72 | unsigned short f_target_id; /* (TI COFF specific) */
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73 | };
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74 |
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75 |
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76 | /* Bits for f_flags:
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77 | F_RELFLG relocation info stripped from file
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78 | F_EXEC file is executable (no unresolved external references)
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79 | F_LNNO line numbers stripped from file
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80 | F_LSYMS local symbols stripped from file
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81 | F_AR16WR file is 16-bit little-endian
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82 | F_AR32WR file is 32-bit little-endian
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83 | F_AR32W file is 32-bit big-endian
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84 | F_DYNLOAD rs/6000 aix: dynamically loadable w/imports & exports
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85 | F_SHROBJ rs/6000 aix: file is a shared object
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86 | F_DLL PE format DLL. */
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87 |
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88 | #define F_RELFLG (0x0001)
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89 | #define F_EXEC (0x0002)
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90 | #define F_LNNO (0x0004)
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91 | #define F_LSYMS (0x0008)
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92 | #define F_AR16WR (0x0080)
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93 | #define F_AR32WR (0x0100)
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94 | #define F_AR32W (0x0200)
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95 | #define F_DYNLOAD (0x1000)
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96 | #define F_SHROBJ (0x2000)
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97 | #define F_DLL (0x2000)
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98 |
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99 | /* Extra structure which is used in the optional header. */
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100 | typedef struct _IMAGE_DATA_DIRECTORY
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101 | {
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102 | bfd_vma VirtualAddress;
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103 | long Size;
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104 | } IMAGE_DATA_DIRECTORY;
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105 | #define IMAGE_NUMBEROF_DIRECTORY_ENTRIES 16
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106 |
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107 | /* Default image base for NT. */
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108 | #define NT_EXE_IMAGE_BASE 0x400000
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109 | #define NT_DLL_IMAGE_BASE 0x10000000
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110 |
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111 | /* Default image base for BeOS. */
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112 | #define BEOS_EXE_IMAGE_BASE 0x80000000
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113 | #define BEOS_DLL_IMAGE_BASE 0x10000000
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114 |
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115 | /* Extra stuff in a PE aouthdr */
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116 |
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117 | #define PE_DEF_SECTION_ALIGNMENT 0x1000
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118 | #ifndef PE_DEF_FILE_ALIGNMENT
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119 | # define PE_DEF_FILE_ALIGNMENT 0x200
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120 | #endif
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121 |
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122 | struct internal_extra_pe_aouthdr
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123 | {
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124 | /* PE stuff */
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125 | bfd_vma ImageBase; /* address of specific location in memory that
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126 | file is located, NT default 0x10000 */
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127 |
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128 | bfd_vma SectionAlignment; /* section alignment default 0x1000 */
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129 | bfd_vma FileAlignment; /* file alignment default 0x200 */
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130 | short MajorOperatingSystemVersion; /* minimum version of the operating */
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131 | short MinorOperatingSystemVersion; /* system req'd for exe, default to 1*/
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132 | short MajorImageVersion; /* user defineable field to store version of */
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133 | short MinorImageVersion; /* exe or dll being created, default to 0 */
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134 | short MajorSubsystemVersion; /* minimum subsystem version required to */
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135 | short MinorSubsystemVersion; /* run exe; default to 3.1 */
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136 | long Reserved1; /* seems to be 0 */
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137 | long SizeOfImage; /* size of memory to allocate for prog */
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138 | long SizeOfHeaders; /* size of PE header and section table */
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139 | long CheckSum; /* set to 0 */
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140 | short Subsystem;
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141 |
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142 | /* type of subsystem exe uses for user interface,
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143 | possible values:
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144 | 1 - NATIVE Doesn't require a subsystem
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145 | 2 - WINDOWS_GUI runs in Windows GUI subsystem
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146 | 3 - WINDOWS_CUI runs in Windows char sub. (console app)
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147 | 5 - OS2_CUI runs in OS/2 character subsystem
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148 | 7 - POSIX_CUI runs in Posix character subsystem */
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149 | short DllCharacteristics; /* flags for DLL init, use 0 */
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150 | bfd_vma SizeOfStackReserve; /* amount of memory to reserve */
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151 | bfd_vma SizeOfStackCommit; /* amount of memory initially committed for
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152 | initial thread's stack, default is 0x1000 */
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153 | bfd_vma SizeOfHeapReserve; /* amount of virtual memory to reserve and */
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154 | bfd_vma SizeOfHeapCommit; /* commit, don't know what to defaut it to */
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155 | long LoaderFlags; /* can probably set to 0 */
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156 | long NumberOfRvaAndSizes; /* number of entries in next entry, 16 */
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157 | IMAGE_DATA_DIRECTORY DataDirectory[IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
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158 | };
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159 |
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160 | /********************** AOUT "OPTIONAL HEADER" **********************/
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161 | struct internal_aouthdr
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162 | {
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163 | short magic; /* type of file */
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164 | short vstamp; /* version stamp */
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165 | bfd_vma tsize; /* text size in bytes, padded to FW bdry*/
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166 | bfd_vma dsize; /* initialized data " " */
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167 | bfd_vma bsize; /* uninitialized data " " */
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168 | bfd_vma entry; /* entry pt. */
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169 | bfd_vma text_start; /* base of text used for this file */
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170 | bfd_vma data_start; /* base of data used for this file */
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171 |
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172 | /* i960 stuff */
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173 | unsigned long tagentries; /* number of tag entries to follow */
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174 |
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175 | /* RS/6000 stuff */
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176 | bfd_vma o_toc; /* address of TOC */
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177 | short o_snentry; /* section number for entry point */
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178 | short o_sntext; /* section number for text */
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179 | short o_sndata; /* section number for data */
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180 | short o_sntoc; /* section number for toc */
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181 | short o_snloader; /* section number for loader section */
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182 | short o_snbss; /* section number for bss */
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183 | short o_algntext; /* max alignment for text */
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184 | short o_algndata; /* max alignment for data */
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185 | short o_modtype; /* Module type field, 1R,RE,RO */
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186 | short o_cputype; /* Encoded CPU type */
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187 | bfd_vma o_maxstack; /* max stack size allowed. */
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188 | bfd_vma o_maxdata; /* max data size allowed. */
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189 |
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190 | /* ECOFF stuff */
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191 | bfd_vma bss_start; /* Base of bss section. */
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192 | bfd_vma gp_value; /* GP register value. */
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193 | unsigned long gprmask; /* General registers used. */
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194 | unsigned long cprmask[4]; /* Coprocessor registers used. */
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195 | unsigned long fprmask; /* Floating pointer registers used. */
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196 |
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197 | /* Apollo stuff */
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198 | long o_inlib; /* inlib data */
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199 | long o_sri; /* Static Resource Information */
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200 | long vid[2]; /* Version id */
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201 |
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202 | struct internal_extra_pe_aouthdr pe;
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203 | };
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204 |
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205 | /********************** STORAGE CLASSES **********************/
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206 |
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207 | /* This used to be defined as -1, but now n_sclass is unsigned. */
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208 | #define C_EFCN 0xff /* physical end of function */
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209 | #define C_NULL 0
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210 | #define C_AUTO 1 /* automatic variable */
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211 | #define C_EXT 2 /* external symbol */
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212 | #define C_STAT 3 /* static */
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213 | #define C_REG 4 /* register variable */
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214 | #define C_EXTDEF 5 /* external definition */
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215 | #define C_LABEL 6 /* label */
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216 | #define C_ULABEL 7 /* undefined label */
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217 | #define C_MOS 8 /* member of structure */
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218 | #define C_ARG 9 /* function argument */
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219 | #define C_STRTAG 10 /* structure tag */
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220 | #define C_MOU 11 /* member of union */
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221 | #define C_UNTAG 12 /* union tag */
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222 | #define C_TPDEF 13 /* type definition */
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223 | #define C_USTATIC 14 /* undefined static */
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224 | #define C_ENTAG 15 /* enumeration tag */
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225 | #define C_MOE 16 /* member of enumeration */
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226 | #define C_REGPARM 17 /* register parameter */
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227 | #define C_FIELD 18 /* bit field */
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228 | #define C_AUTOARG 19 /* auto argument */
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229 | #define C_LASTENT 20 /* dummy entry (end of block) */
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230 | #define C_BLOCK 100 /* ".bb" or ".eb" */
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231 | #define C_FCN 101 /* ".bf" or ".ef" */
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232 | #define C_EOS 102 /* end of structure */
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233 | #define C_FILE 103 /* file name */
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234 | #define C_LINE 104 /* line # reformatted as symbol table entry */
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235 | #define C_ALIAS 105 /* duplicate tag */
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236 | #define C_HIDDEN 106 /* ext symbol in dmert public lib */
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237 |
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238 | #define C_WEAKEXT 127 /* weak symbol -- GNU extension */
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239 |
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240 | /* New storage classes for TI COFF */
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241 | #define C_UEXT 19 /* Tentative external definition */
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242 | #define C_STATLAB 20 /* Static load time label */
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243 | #define C_EXTLAB 21 /* External load time label */
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244 | #define C_SYSTEM 23 /* System Wide variable */
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245 |
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246 | /* New storage classes for WINDOWS_NT */
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247 | #define C_SECTION 104 /* section name */
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248 | #define C_NT_WEAK 105 /* weak external */
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249 |
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250 | /* New storage classes for 80960 */
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251 |
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252 | /* C_LEAFPROC is obsolete. Use C_LEAFEXT or C_LEAFSTAT */
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253 | #define C_LEAFPROC 108 /* Leaf procedure, "call" via BAL */
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254 |
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255 | #define C_SCALL 107 /* Procedure reachable via system call */
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256 | #define C_LEAFEXT 108 /* External leaf */
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257 | #define C_LEAFSTAT 113 /* Static leaf */
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258 | #define C_OPTVAR 109 /* Optimized variable */
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259 | #define C_DEFINE 110 /* Preprocessor #define */
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260 | #define C_PRAGMA 111 /* Advice to compiler or linker */
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261 | #define C_SEGMENT 112 /* 80960 segment name */
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262 |
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263 | /* Storage classes for m88k */
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264 | #define C_SHADOW 107 /* shadow symbol */
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265 | #define C_VERSION 108 /* coff version symbol */
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266 |
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267 | /* New storage classes for RS/6000 */
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268 | #define C_HIDEXT 107 /* Un-named external symbol */
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269 | #define C_BINCL 108 /* Marks beginning of include file */
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270 | #define C_EINCL 109 /* Marks ending of include file */
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271 |
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272 | /* storage classes for stab symbols for RS/6000 */
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273 | #define C_GSYM (0x80)
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274 | #define C_LSYM (0x81)
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275 | #define C_PSYM (0x82)
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276 | #define C_RSYM (0x83)
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277 | #define C_RPSYM (0x84)
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278 | #define C_STSYM (0x85)
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279 | #define C_TCSYM (0x86)
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280 | #define C_BCOMM (0x87)
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281 | #define C_ECOML (0x88)
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282 | #define C_ECOMM (0x89)
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283 | #define C_DECL (0x8c)
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284 | #define C_ENTRY (0x8d)
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285 | #define C_FUN (0x8e)
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286 | #define C_BSTAT (0x8f)
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287 | #define C_ESTAT (0x90)
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288 |
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289 | /* Storage classes for Thumb symbols */
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290 | #define C_THUMBEXT (128 + C_EXT) /* 130 */
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291 | #define C_THUMBSTAT (128 + C_STAT) /* 131 */
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292 | #define C_THUMBLABEL (128 + C_LABEL) /* 134 */
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293 | #define C_THUMBEXTFUNC (C_THUMBEXT + 20) /* 150 */
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294 | #define C_THUMBSTATFUNC (C_THUMBSTAT + 20) /* 151 */
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295 |
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296 | /********************** SECTION HEADER **********************/
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297 |
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298 | #define SCNNMLEN (8)
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299 |
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300 | struct internal_scnhdr
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301 | {
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302 | char s_name[SCNNMLEN]; /* section name */
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303 |
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304 | /* Physical address, aliased s_nlib.
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305 | In the pei format, this field is the virtual section size
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306 | (the size of the section after being loaded int memory),
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307 | NOT the physical address. */
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308 | bfd_vma s_paddr;
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309 |
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310 | bfd_vma s_vaddr; /* virtual address */
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311 | bfd_vma s_size; /* section size */
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312 | bfd_vma s_scnptr; /* file ptr to raw data for section */
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313 | bfd_vma s_relptr; /* file ptr to relocation */
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314 | bfd_vma s_lnnoptr; /* file ptr to line numbers */
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315 | unsigned long s_nreloc; /* number of relocation entries */
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316 | unsigned long s_nlnno; /* number of line number entries*/
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317 | long s_flags; /* flags */
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318 | long s_align; /* used on I960 */
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319 | unsigned char s_page; /* TI COFF load page */
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320 | };
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321 |
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322 | /* s_flags "type". */
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323 | #define STYP_REG (0x0000) /* "regular": allocated, relocated, loaded */
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324 | #define STYP_DSECT (0x0001) /* "dummy": relocated only*/
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325 | #define STYP_NOLOAD (0x0002) /* "noload": allocated, relocated, not loaded */
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326 | #define STYP_GROUP (0x0004) /* "grouped": formed of input sections */
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327 | #define STYP_PAD (0x0008) /* "padding": not allocated, not relocated, loaded */
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328 | #define STYP_COPY (0x0010) /* "copy": for decision function used by field update; not allocated, not relocated,
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329 | loaded; reloc & lineno entries processed normally */
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330 | #define STYP_TEXT (0x0020) /* section contains text only */
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331 | #define S_SHRSEG (0x0020) /* In 3b Update files (output of ogen), sections which appear in SHARED segments of the Pfile
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332 | will have the S_SHRSEG flag set by ogen, to inform dufr that updating 1 copy of the proc. will
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333 | update all process invocations. */
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334 | #define STYP_DATA (0x0040) /* section contains data only */
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335 | #define STYP_BSS (0x0080) /* section contains bss only */
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336 | #define S_NEWFCN (0x0100) /* In a minimal file or an update file, a new function (as compared with a replaced function) */
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337 | #define STYP_INFO (0x0200) /* comment: not allocated not relocated, not loaded */
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338 | #define STYP_OVER (0x0400) /* overlay: relocated not allocated or loaded */
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339 | #define STYP_LIB (0x0800) /* for .lib: same as INFO */
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340 | #define STYP_MERGE (0x2000) /* merge section -- combines with text, data or bss sections only */
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341 | #define STYP_REVERSE_PAD (0x4000) /* section will be padded with no-op instructions
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342 | wherever padding is necessary and there is a
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343 | word of contiguous bytes beginning on a word
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344 | boundary. */
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345 |
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346 | #define STYP_LIT 0x8020 /* Literal data (like STYP_TEXT) */
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347 |
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348 |
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349 | /********************** LINE NUMBERS **********************/
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350 |
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351 | /* 1 line number entry for every "breakpointable" source line in a section.
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352 | Line numbers are grouped on a per function basis; first entry in a function
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353 | grouping will have l_lnno = 0 and in place of physical address will be the
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354 | symbol table index of the function name. */
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355 |
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356 | struct internal_lineno
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357 | {
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358 | union
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359 | {
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360 | bfd_signed_vma l_symndx; /* function name symbol index, iff l_lnno == 0*/
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361 | bfd_signed_vma l_paddr; /* (physical) address of line number */
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362 | } l_addr;
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363 | unsigned long l_lnno; /* line number */
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364 | };
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365 |
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366 | /********************** SYMBOLS **********************/
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367 |
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368 | #define SYMNMLEN 8 /* # characters in a symbol name */
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369 | #define FILNMLEN 14 /* # characters in a file name */
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370 | #define DIMNUM 4 /* # array dimensions in auxiliary entry */
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371 |
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372 | struct internal_syment
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373 | {
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374 | union
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375 | {
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376 | char _n_name[SYMNMLEN]; /* old COFF version */
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377 | struct
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378 | {
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379 | long _n_zeroes; /* new == 0 */
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380 | long _n_offset; /* offset into string table */
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381 | } _n_n;
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382 | char *_n_nptr[2]; /* allows for overlaying */
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383 | } _n;
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384 | bfd_vma n_value; /* value of symbol */
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385 | short n_scnum; /* section number */
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386 | unsigned short n_flags; /* copy of flags from filhdr */
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387 | unsigned short n_type; /* type and derived type */
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388 | unsigned char n_sclass; /* storage class */
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389 | unsigned char n_numaux; /* number of aux. entries */
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390 | };
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391 |
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392 | #define n_name _n._n_name
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393 | #define n_zeroes _n._n_n._n_zeroes
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394 | #define n_offset _n._n_n._n_offset
|
---|
395 |
|
---|
396 | /* Relocatable symbols have number of the section in which they are defined,
|
---|
397 | or one of the following: */
|
---|
398 |
|
---|
399 | #define N_UNDEF ((short)0) /* undefined symbol */
|
---|
400 | #define N_ABS ((short)-1) /* value of symbol is absolute */
|
---|
401 | #define N_DEBUG ((short)-2) /* debugging symbol -- value is meaningless */
|
---|
402 | #define N_TV ((short)-3) /* indicates symbol needs preload transfer vector */
|
---|
403 | #define P_TV ((short)-4) /* indicates symbol needs postload transfer vector*/
|
---|
404 |
|
---|
405 | /* Type of a symbol, in low N bits of the word. */
|
---|
406 |
|
---|
407 | #define T_NULL 0
|
---|
408 | #define T_VOID 1 /* function argument (only used by compiler) */
|
---|
409 | #define T_CHAR 2 /* character */
|
---|
410 | #define T_SHORT 3 /* short integer */
|
---|
411 | #define T_INT 4 /* integer */
|
---|
412 | #define T_LONG 5 /* long integer */
|
---|
413 | #define T_FLOAT 6 /* floating point */
|
---|
414 | #define T_DOUBLE 7 /* double word */
|
---|
415 | #define T_STRUCT 8 /* structure */
|
---|
416 | #define T_UNION 9 /* union */
|
---|
417 | #define T_ENUM 10 /* enumeration */
|
---|
418 | #define T_MOE 11 /* member of enumeration*/
|
---|
419 | #define T_UCHAR 12 /* unsigned character */
|
---|
420 | #define T_USHORT 13 /* unsigned short */
|
---|
421 | #define T_UINT 14 /* unsigned integer */
|
---|
422 | #define T_ULONG 15 /* unsigned long */
|
---|
423 | #define T_LNGDBL 16 /* long double */
|
---|
424 |
|
---|
425 | /* Derived types, in n_type. */
|
---|
426 |
|
---|
427 | #define DT_NON (0) /* no derived type */
|
---|
428 | #define DT_PTR (1) /* pointer */
|
---|
429 | #define DT_FCN (2) /* function */
|
---|
430 | #define DT_ARY (3) /* array */
|
---|
431 |
|
---|
432 | #define BTYPE(x) ((x) & N_BTMASK)
|
---|
433 | #define DTYPE(x) (((x) & N_TMASK) >> N_BTSHFT)
|
---|
434 |
|
---|
435 | #define ISPTR(x) \
|
---|
436 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_PTR << N_BTSHFT))
|
---|
437 | #define ISFCN(x) \
|
---|
438 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_FCN << N_BTSHFT))
|
---|
439 | #define ISARY(x) \
|
---|
440 | (((unsigned long) (x) & N_TMASK) == ((unsigned long) DT_ARY << N_BTSHFT))
|
---|
441 | #define ISTAG(x) \
|
---|
442 | ((x) == C_STRTAG || (x) == C_UNTAG || (x) == C_ENTAG)
|
---|
443 | #define DECREF(x) \
|
---|
444 | ((((x) >> N_TSHIFT) & ~ N_BTMASK) | ((x) & N_BTMASK))
|
---|
445 |
|
---|
446 | union internal_auxent
|
---|
447 | {
|
---|
448 | struct
|
---|
449 | {
|
---|
450 |
|
---|
451 | union
|
---|
452 | {
|
---|
453 | long l; /* str, un, or enum tag indx */
|
---|
454 | struct coff_ptr_struct *p;
|
---|
455 | } x_tagndx;
|
---|
456 |
|
---|
457 | union
|
---|
458 | {
|
---|
459 | struct
|
---|
460 | {
|
---|
461 | unsigned short x_lnno; /* declaration line number */
|
---|
462 | unsigned short x_size; /* str/union/array size */
|
---|
463 | } x_lnsz;
|
---|
464 | long x_fsize; /* size of function */
|
---|
465 | } x_misc;
|
---|
466 |
|
---|
467 | union
|
---|
468 | {
|
---|
469 | struct
|
---|
470 | { /* if ISFCN, tag, or .bb */
|
---|
471 | bfd_signed_vma x_lnnoptr; /* ptr to fcn line # */
|
---|
472 | union
|
---|
473 | { /* entry ndx past block end */
|
---|
474 | long l;
|
---|
475 | struct coff_ptr_struct *p;
|
---|
476 | } x_endndx;
|
---|
477 | } x_fcn;
|
---|
478 |
|
---|
479 | struct
|
---|
480 | { /* if ISARY, up to 4 dimen. */
|
---|
481 | unsigned short x_dimen[DIMNUM];
|
---|
482 | } x_ary;
|
---|
483 | } x_fcnary;
|
---|
484 |
|
---|
485 | unsigned short x_tvndx; /* tv index */
|
---|
486 | } x_sym;
|
---|
487 |
|
---|
488 | union
|
---|
489 | {
|
---|
490 | char x_fname[FILNMLEN];
|
---|
491 | struct
|
---|
492 | {
|
---|
493 | long x_zeroes;
|
---|
494 | long x_offset;
|
---|
495 | } x_n;
|
---|
496 | } x_file;
|
---|
497 |
|
---|
498 | struct
|
---|
499 | {
|
---|
500 | long x_scnlen; /* section length */
|
---|
501 | unsigned short x_nreloc; /* # relocation entries */
|
---|
502 | unsigned short x_nlinno; /* # line numbers */
|
---|
503 | unsigned long x_checksum; /* section COMDAT checksum for PE */
|
---|
504 | unsigned short x_associated; /* COMDAT associated section index for PE */
|
---|
505 | unsigned char x_comdat; /* COMDAT selection number for PE */
|
---|
506 | } x_scn;
|
---|
507 |
|
---|
508 | struct
|
---|
509 | {
|
---|
510 | long x_tvfill; /* tv fill value */
|
---|
511 | unsigned short x_tvlen; /* length of .tv */
|
---|
512 | unsigned short x_tvran[2]; /* tv range */
|
---|
513 | } x_tv; /* info about .tv section (in auxent of symbol .tv)) */
|
---|
514 |
|
---|
515 | /******************************************
|
---|
516 | * RS/6000-specific auxent - last auxent for every external symbol
|
---|
517 | ******************************************/
|
---|
518 | struct
|
---|
519 | {
|
---|
520 | union
|
---|
521 | { /* csect length or enclosing csect */
|
---|
522 | bfd_signed_vma l;
|
---|
523 | struct coff_ptr_struct *p;
|
---|
524 | } x_scnlen;
|
---|
525 | long x_parmhash; /* parm type hash index */
|
---|
526 | unsigned short x_snhash; /* sect num with parm hash */
|
---|
527 | unsigned char x_smtyp; /* symbol align and type */
|
---|
528 | /* 0-4 - Log 2 of alignment */
|
---|
529 | /* 5-7 - symbol type */
|
---|
530 | unsigned char x_smclas; /* storage mapping class */
|
---|
531 | long x_stab; /* dbx stab info index */
|
---|
532 | unsigned short x_snstab; /* sect num with dbx stab */
|
---|
533 | } x_csect; /* csect definition information */
|
---|
534 |
|
---|
535 | /* x_smtyp values: */
|
---|
536 |
|
---|
537 | #define SMTYP_ALIGN(x) ((x) >> 3) /* log2 of alignment */
|
---|
538 | #define SMTYP_SMTYP(x) ((x) & 0x7) /* symbol type */
|
---|
539 | /* Symbol type values: */
|
---|
540 | #define XTY_ER 0 /* External reference */
|
---|
541 | #define XTY_SD 1 /* Csect definition */
|
---|
542 | #define XTY_LD 2 /* Label definition */
|
---|
543 | #define XTY_CM 3 /* .BSS */
|
---|
544 | #define XTY_EM 4 /* Error message */
|
---|
545 | #define XTY_US 5 /* "Reserved for internal use" */
|
---|
546 |
|
---|
547 | /* x_smclas values: */
|
---|
548 |
|
---|
549 | #define XMC_PR 0 /* Read-only program code */
|
---|
550 | #define XMC_RO 1 /* Read-only constant */
|
---|
551 | #define XMC_DB 2 /* Read-only debug dictionary table */
|
---|
552 | #define XMC_TC 3 /* Read-write general TOC entry */
|
---|
553 | #define XMC_UA 4 /* Read-write unclassified */
|
---|
554 | #define XMC_RW 5 /* Read-write data */
|
---|
555 | #define XMC_GL 6 /* Read-only global linkage */
|
---|
556 | #define XMC_XO 7 /* Read-only extended operation */
|
---|
557 | #define XMC_SV 8 /* Read-only supervisor call */
|
---|
558 | #define XMC_BS 9 /* Read-write BSS */
|
---|
559 | #define XMC_DS 10 /* Read-write descriptor csect */
|
---|
560 | #define XMC_UC 11 /* Read-write unnamed Fortran common */
|
---|
561 | #define XMC_TI 12 /* Read-only traceback index csect */
|
---|
562 | #define XMC_TB 13 /* Read-only traceback table csect */
|
---|
563 | /* 14 ??? */
|
---|
564 | #define XMC_TC0 15 /* Read-write TOC anchor */
|
---|
565 | #define XMC_TD 16 /* Read-write data in TOC */
|
---|
566 |
|
---|
567 | /******************************************
|
---|
568 | * I960-specific *2nd* aux. entry formats
|
---|
569 | ******************************************/
|
---|
570 | struct
|
---|
571 | {
|
---|
572 | /* This is a very old typo that keeps getting propagated. */
|
---|
573 | #define x_stdindx x_stindx
|
---|
574 | long x_stindx; /* sys. table entry */
|
---|
575 | } x_sc; /* system call entry */
|
---|
576 |
|
---|
577 | struct
|
---|
578 | {
|
---|
579 | unsigned long x_balntry; /* BAL entry point */
|
---|
580 | } x_bal; /* BAL-callable function */
|
---|
581 |
|
---|
582 | struct
|
---|
583 | {
|
---|
584 | unsigned long x_timestamp; /* time stamp */
|
---|
585 | char x_idstring[20]; /* producer identity string */
|
---|
586 | } x_ident; /* Producer ident info */
|
---|
587 |
|
---|
588 | };
|
---|
589 |
|
---|
590 | /********************** RELOCATION DIRECTIVES **********************/
|
---|
591 |
|
---|
592 | struct internal_reloc
|
---|
593 | {
|
---|
594 | bfd_vma r_vaddr; /* Virtual address of reference */
|
---|
595 | long r_symndx; /* Index into symbol table */
|
---|
596 | unsigned short r_type; /* Relocation type */
|
---|
597 | unsigned char r_size; /* Used by RS/6000 and ECOFF */
|
---|
598 | unsigned char r_extern; /* Used by ECOFF */
|
---|
599 | unsigned long r_offset; /* Used by Alpha ECOFF, SPARC, others */
|
---|
600 | };
|
---|
601 |
|
---|
602 | #define R_DIR16 1
|
---|
603 | #define R_REL24 5
|
---|
604 | #define R_DIR32 6
|
---|
605 | #define R_IMAGEBASE 7
|
---|
606 | #define R_RELBYTE 15
|
---|
607 | #define R_RELWORD 16
|
---|
608 | #define R_RELLONG 17
|
---|
609 | #define R_PCRBYTE 18
|
---|
610 | #define R_PCRWORD 19
|
---|
611 | #define R_PCRLONG 20
|
---|
612 | #define R_PCR24 21
|
---|
613 | #define R_IPRSHORT 24
|
---|
614 | #define R_IPRLONG 26
|
---|
615 | #define R_GETSEG 29
|
---|
616 | #define R_GETPA 30
|
---|
617 | #define R_TAGWORD 31
|
---|
618 | #define R_JUMPTARG 32 /* strange 29k 00xx00xx reloc */
|
---|
619 | #define R_PARTLS16 32
|
---|
620 | #define R_PARTMS8 33
|
---|
621 |
|
---|
622 | #define R_PCR16L 128
|
---|
623 | #define R_PCR26L 129
|
---|
624 | #define R_VRT16 130
|
---|
625 | #define R_HVRT16 131
|
---|
626 | #define R_LVRT16 132
|
---|
627 | #define R_VRT32 133
|
---|
628 |
|
---|
629 |
|
---|
630 | /* This reloc identifies mov.b instructions with a 16bit absolute
|
---|
631 | address. The linker tries to turn insns with this reloc into
|
---|
632 | an absolute 8-bit address. */
|
---|
633 | #define R_MOV16B1 0x41
|
---|
634 |
|
---|
635 | /* This reloc identifies mov.b instructions which had a 16bit
|
---|
636 | absolute address which have been shortened into a 8-bit
|
---|
637 | absolute address. */
|
---|
638 | #define R_MOV16B2 0x42
|
---|
639 |
|
---|
640 | /* This reloc identifies jmp insns with a 16bit target address;
|
---|
641 | the linker tries to turn these insns into bra insns with
|
---|
642 | an 8bit pc-relative target. */
|
---|
643 | #define R_JMP1 0x43
|
---|
644 |
|
---|
645 | /* This reloc identifies a bra with an 8-bit pc-relative
|
---|
646 | target that was formerly a jmp insn with a 16bit target. */
|
---|
647 | #define R_JMP2 0x44
|
---|
648 |
|
---|
649 | /* ??? */
|
---|
650 | #define R_RELLONG_NEG 0x45
|
---|
651 |
|
---|
652 | /* This reloc identifies jmp insns with a 24bit target address;
|
---|
653 | the linker tries to turn these insns into bra insns with
|
---|
654 | an 8bit pc-relative target. */
|
---|
655 | #define R_JMPL1 0x46
|
---|
656 |
|
---|
657 | /* This reloc identifies a bra with an 8-bit pc-relative
|
---|
658 | target that was formerly a jmp insn with a 24bit target. */
|
---|
659 | #define R_JMPL2 0x47
|
---|
660 |
|
---|
661 | /* This reloc identifies mov.b instructions with a 24bit absolute
|
---|
662 | address. The linker tries to turn insns with this reloc into
|
---|
663 | an absolute 8-bit address. */
|
---|
664 |
|
---|
665 | #define R_MOV24B1 0x48
|
---|
666 |
|
---|
667 | /* This reloc identifies mov.b instructions which had a 24bit
|
---|
668 | absolute address which have been shortened into a 8-bit
|
---|
669 | absolute address. */
|
---|
670 | #define R_MOV24B2 0x49
|
---|
671 |
|
---|
672 | /* An h8300 memory indirect jump/call. Forces the address of the jump/call
|
---|
673 | target into the function vector (in page zero), and the address of the
|
---|
674 | vector entry to be placed in the jump/call instruction. */
|
---|
675 | #define R_MEM_INDIRECT 0x4a
|
---|
676 |
|
---|
677 | /* This reloc identifies a 16bit pc-relative branch target which was
|
---|
678 | shortened into an 8bit pc-relative branch target. */
|
---|
679 | #define R_PCRWORD_B 0x4b
|
---|
680 |
|
---|
681 | /* This reloc identifies mov.[wl] instructions with a 32/24 bit
|
---|
682 | absolute address; the linker may turn this into a mov.[wl]
|
---|
683 | insn with a 16bit absolute address. */
|
---|
684 | #define R_MOVL1 0x4c
|
---|
685 |
|
---|
686 | /* This reloc identifies mov.[wl] insns which formerly had
|
---|
687 | a 32/24bit absolute address and now have a 16bit absolute address. */
|
---|
688 | #define R_MOVL2 0x4d
|
---|
689 |
|
---|
690 | /* This reloc identifies a bCC:8 which will have it's condition
|
---|
691 | inverted and its target redirected to the target of the branch
|
---|
692 | in the following insn. */
|
---|
693 | #define R_BCC_INV 0x4e
|
---|
694 |
|
---|
695 | /* This reloc identifies a jmp instruction that has been deleted. */
|
---|
696 | #define R_JMP_DEL 0x4f
|
---|
697 |
|
---|
698 | /* Z8k modes */
|
---|
699 | #define R_IMM16 0x01 /* 16 bit abs */
|
---|
700 | #define R_JR 0x02 /* jr 8 bit disp */
|
---|
701 | #define R_IMM4L 0x23 /* low nibble */
|
---|
702 | #define R_IMM8 0x22 /* 8 bit abs */
|
---|
703 | #define R_IMM32 R_RELLONG /* 32 bit abs */
|
---|
704 | #define R_CALL R_DA /* Absolute address which could be a callr */
|
---|
705 | #define R_JP R_DA /* Absolute address which could be a jp */
|
---|
706 | #define R_REL16 0x04 /* 16 bit PC rel */
|
---|
707 | #define R_CALLR 0x05 /* callr 12 bit disp */
|
---|
708 | #define R_SEG 0x10 /* set if in segmented mode */
|
---|
709 | #define R_IMM4H 0x24 /* high nibble */
|
---|
710 | #define R_DISP7 0x25 /* djnz displacement */
|
---|
711 |
|
---|
712 | /* H8500 modes */
|
---|
713 |
|
---|
714 | #define R_H8500_IMM8 1 /* 8 bit immediate */
|
---|
715 | #define R_H8500_IMM16 2 /* 16 bit immediate */
|
---|
716 | #define R_H8500_PCREL8 3 /* 8 bit pcrel */
|
---|
717 | #define R_H8500_PCREL16 4 /* 16 bit pcrel */
|
---|
718 | #define R_H8500_HIGH8 5 /* high 8 bits of 24 bit address */
|
---|
719 | #define R_H8500_LOW16 7 /* low 16 bits of 24 bit immediate */
|
---|
720 | #define R_H8500_IMM24 6 /* 24 bit immediate */
|
---|
721 | #define R_H8500_IMM32 8 /* 32 bit immediate */
|
---|
722 | #define R_H8500_HIGH16 9 /* high 16 bits of 32 bit immediate */
|
---|
723 |
|
---|
724 | /* W65 modes */
|
---|
725 |
|
---|
726 | #define R_W65_ABS8 1 /* addr & 0xff */
|
---|
727 | #define R_W65_ABS16 2 /* addr & 0xffff */
|
---|
728 | #define R_W65_ABS24 3 /* addr & 0xffffff */
|
---|
729 |
|
---|
730 | #define R_W65_ABS8S8 4 /* (addr >> 8) & 0xff */
|
---|
731 | #define R_W65_ABS8S16 5 /* (addr >> 16) & 0xff */
|
---|
732 |
|
---|
733 | #define R_W65_ABS16S8 6 /* (addr >> 8) & 0ffff */
|
---|
734 | #define R_W65_ABS16S16 7 /* (addr >> 16) & 0ffff */
|
---|
735 |
|
---|
736 | #define R_W65_PCR8 8
|
---|
737 | #define R_W65_PCR16 9
|
---|
738 |
|
---|
739 | #define R_W65_DP 10 /* direct page 8 bits only */
|
---|
740 |
|
---|
741 | #endif /* GNU_COFF_INTERNAL_H */
|
---|