1 //===- ELFTypes.h - Endian specific types for ELF ---------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_OBJECT_ELFTYPES_H
11 #define LLVM_OBJECT_ELFTYPES_H
13 #include "llvm/Support/DataTypes.h"
14 #include "llvm/Support/ELF.h"
15 #include "llvm/Support/Endian.h"
20 using support::endianness;
22 template <endianness target_endianness, bool is64Bits> struct ELFType {
23 static const endianness TargetEndianness = target_endianness;
24 static const bool Is64Bits = is64Bits;
27 // Use an alignment of 2 for the typedefs since that is the worst case for
28 // ELF files in archives.
30 // Templates to choose Elf_Addr and Elf_Off depending on is64Bits.
31 template <endianness target_endianness> struct ELFDataTypeTypedefHelperCommon {
32 typedef support::detail::packed_endian_specific_integral<
33 uint16_t, target_endianness, 2> Elf_Half;
34 typedef support::detail::packed_endian_specific_integral<
35 uint32_t, target_endianness, 2> Elf_Word;
36 typedef support::detail::packed_endian_specific_integral<
37 int32_t, target_endianness, 2> Elf_Sword;
38 typedef support::detail::packed_endian_specific_integral<
39 uint64_t, target_endianness, 2> Elf_Xword;
40 typedef support::detail::packed_endian_specific_integral<
41 int64_t, target_endianness, 2> Elf_Sxword;
44 template <class ELFT> struct ELFDataTypeTypedefHelper;
47 template <endianness TargetEndianness>
48 struct ELFDataTypeTypedefHelper<ELFType<TargetEndianness, false>>
49 : ELFDataTypeTypedefHelperCommon<TargetEndianness> {
50 typedef uint32_t value_type;
51 typedef support::detail::packed_endian_specific_integral<
52 value_type, TargetEndianness, 2> Elf_Addr;
53 typedef support::detail::packed_endian_specific_integral<
54 value_type, TargetEndianness, 2> Elf_Off;
58 template <endianness TargetEndianness>
59 struct ELFDataTypeTypedefHelper<ELFType<TargetEndianness, true>>
60 : ELFDataTypeTypedefHelperCommon<TargetEndianness> {
61 typedef uint64_t value_type;
62 typedef support::detail::packed_endian_specific_integral<
63 value_type, TargetEndianness, 2> Elf_Addr;
64 typedef support::detail::packed_endian_specific_integral<
65 value_type, TargetEndianness, 2> Elf_Off;
68 // I really don't like doing this, but the alternative is copypasta.
69 #define LLVM_ELF_IMPORT_TYPES(E, W) \
70 typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Addr Elf_Addr; \
71 typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Off Elf_Off; \
72 typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Half Elf_Half; \
73 typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Word Elf_Word; \
75 typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Sword Elf_Sword; \
77 typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Xword Elf_Xword; \
79 typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Sxword Elf_Sxword;
81 #define LLVM_ELF_IMPORT_TYPES_ELFT(ELFT) \
82 LLVM_ELF_IMPORT_TYPES(ELFT::TargetEndianness, ELFT::Is64Bits)
85 template <class ELFT> struct Elf_Shdr_Base;
87 template <endianness TargetEndianness>
88 struct Elf_Shdr_Base<ELFType<TargetEndianness, false>> {
89 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
90 Elf_Word sh_name; // Section name (index into string table)
91 Elf_Word sh_type; // Section type (SHT_*)
92 Elf_Word sh_flags; // Section flags (SHF_*)
93 Elf_Addr sh_addr; // Address where section is to be loaded
94 Elf_Off sh_offset; // File offset of section data, in bytes
95 Elf_Word sh_size; // Size of section, in bytes
96 Elf_Word sh_link; // Section type-specific header table index link
97 Elf_Word sh_info; // Section type-specific extra information
98 Elf_Word sh_addralign; // Section address alignment
99 Elf_Word sh_entsize; // Size of records contained within the section
102 template <endianness TargetEndianness>
103 struct Elf_Shdr_Base<ELFType<TargetEndianness, true>> {
104 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
105 Elf_Word sh_name; // Section name (index into string table)
106 Elf_Word sh_type; // Section type (SHT_*)
107 Elf_Xword sh_flags; // Section flags (SHF_*)
108 Elf_Addr sh_addr; // Address where section is to be loaded
109 Elf_Off sh_offset; // File offset of section data, in bytes
110 Elf_Xword sh_size; // Size of section, in bytes
111 Elf_Word sh_link; // Section type-specific header table index link
112 Elf_Word sh_info; // Section type-specific extra information
113 Elf_Xword sh_addralign; // Section address alignment
114 Elf_Xword sh_entsize; // Size of records contained within the section
117 template <class ELFT>
118 struct Elf_Shdr_Impl : Elf_Shdr_Base<ELFT> {
119 using Elf_Shdr_Base<ELFT>::sh_entsize;
120 using Elf_Shdr_Base<ELFT>::sh_size;
122 /// @brief Get the number of entities this section contains if it has any.
123 unsigned getEntityCount() const {
126 return sh_size / sh_entsize;
130 template <class ELFT> struct Elf_Sym_Base;
132 template <endianness TargetEndianness>
133 struct Elf_Sym_Base<ELFType<TargetEndianness, false>> {
134 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
135 Elf_Word st_name; // Symbol name (index into string table)
136 Elf_Addr st_value; // Value or address associated with the symbol
137 Elf_Word st_size; // Size of the symbol
138 unsigned char st_info; // Symbol's type and binding attributes
139 unsigned char st_other; // Must be zero; reserved
140 Elf_Half st_shndx; // Which section (header table index) it's defined in
143 template <endianness TargetEndianness>
144 struct Elf_Sym_Base<ELFType<TargetEndianness, true>> {
145 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
146 Elf_Word st_name; // Symbol name (index into string table)
147 unsigned char st_info; // Symbol's type and binding attributes
148 unsigned char st_other; // Must be zero; reserved
149 Elf_Half st_shndx; // Which section (header table index) it's defined in
150 Elf_Addr st_value; // Value or address associated with the symbol
151 Elf_Xword st_size; // Size of the symbol
154 template <class ELFT>
155 struct Elf_Sym_Impl : Elf_Sym_Base<ELFT> {
156 using Elf_Sym_Base<ELFT>::st_info;
157 using Elf_Sym_Base<ELFT>::st_shndx;
158 using Elf_Sym_Base<ELFT>::st_other;
159 using Elf_Sym_Base<ELFT>::st_value;
161 // These accessors and mutators correspond to the ELF32_ST_BIND,
162 // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
163 unsigned char getBinding() const { return st_info >> 4; }
164 unsigned char getType() const { return st_info & 0x0f; }
165 uint64_t getValue() const { return st_value; }
166 void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
167 void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
168 void setBindingAndType(unsigned char b, unsigned char t) {
169 st_info = (b << 4) + (t & 0x0f);
172 /// Access to the STV_xxx flag stored in the first two bits of st_other.
177 unsigned char getVisibility() const { return st_other & 0x3; }
178 void setVisibility(unsigned char v) {
179 assert(v < 4 && "Invalid value for visibility");
180 st_other = (st_other & ~0x3) | v;
183 bool isAbsolute() const { return st_shndx == ELF::SHN_ABS; }
184 bool isCommon() const {
185 return getType() == ELF::STT_COMMON || st_shndx == ELF::SHN_COMMON;
187 bool isDefined() const { return !isUndefined(); }
188 bool isProcessorSpecific() const {
189 return st_shndx >= ELF::SHN_LOPROC && st_shndx <= ELF::SHN_HIPROC;
191 bool isOSSpecific() const {
192 return st_shndx >= ELF::SHN_LOOS && st_shndx <= ELF::SHN_HIOS;
194 bool isReserved() const {
195 // ELF::SHN_HIRESERVE is 0xffff so st_shndx <= ELF::SHN_HIRESERVE is always
196 // true and some compilers warn about it.
197 return st_shndx >= ELF::SHN_LORESERVE;
199 bool isUndefined() const { return st_shndx == ELF::SHN_UNDEF; }
202 /// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section
203 /// (.gnu.version). This structure is identical for ELF32 and ELF64.
204 template <class ELFT>
205 struct Elf_Versym_Impl {
206 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
207 Elf_Half vs_index; // Version index with flags (e.g. VERSYM_HIDDEN)
210 template <class ELFT> struct Elf_Verdaux_Impl;
212 /// Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section
213 /// (.gnu.version_d). This structure is identical for ELF32 and ELF64.
214 template <class ELFT>
215 struct Elf_Verdef_Impl {
216 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
217 typedef Elf_Verdaux_Impl<ELFT> Elf_Verdaux;
218 Elf_Half vd_version; // Version of this structure (e.g. VER_DEF_CURRENT)
219 Elf_Half vd_flags; // Bitwise flags (VER_DEF_*)
220 Elf_Half vd_ndx; // Version index, used in .gnu.version entries
221 Elf_Half vd_cnt; // Number of Verdaux entries
222 Elf_Word vd_hash; // Hash of name
223 Elf_Word vd_aux; // Offset to the first Verdaux entry (in bytes)
224 Elf_Word vd_next; // Offset to the next Verdef entry (in bytes)
226 /// Get the first Verdaux entry for this Verdef.
227 const Elf_Verdaux *getAux() const {
228 return reinterpret_cast<const Elf_Verdaux *>((const char *)this + vd_aux);
232 /// Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef
233 /// section (.gnu.version_d). This structure is identical for ELF32 and ELF64.
234 template <class ELFT>
235 struct Elf_Verdaux_Impl {
236 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
237 Elf_Word vda_name; // Version name (offset in string table)
238 Elf_Word vda_next; // Offset to next Verdaux entry (in bytes)
241 /// Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed
242 /// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
243 template <class ELFT>
244 struct Elf_Verneed_Impl {
245 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
246 Elf_Half vn_version; // Version of this structure (e.g. VER_NEED_CURRENT)
247 Elf_Half vn_cnt; // Number of associated Vernaux entries
248 Elf_Word vn_file; // Library name (string table offset)
249 Elf_Word vn_aux; // Offset to first Vernaux entry (in bytes)
250 Elf_Word vn_next; // Offset to next Verneed entry (in bytes)
253 /// Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed
254 /// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
255 template <class ELFT>
256 struct Elf_Vernaux_Impl {
257 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
258 Elf_Word vna_hash; // Hash of dependency name
259 Elf_Half vna_flags; // Bitwise Flags (VER_FLAG_*)
260 Elf_Half vna_other; // Version index, used in .gnu.version entries
261 Elf_Word vna_name; // Dependency name
262 Elf_Word vna_next; // Offset to next Vernaux entry (in bytes)
265 /// Elf_Dyn_Base: This structure matches the form of entries in the dynamic
266 /// table section (.dynamic) look like.
267 template <class ELFT> struct Elf_Dyn_Base;
269 template <endianness TargetEndianness>
270 struct Elf_Dyn_Base<ELFType<TargetEndianness, false>> {
271 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
279 template <endianness TargetEndianness>
280 struct Elf_Dyn_Base<ELFType<TargetEndianness, true>> {
281 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
289 /// Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters.
290 template <class ELFT>
291 struct Elf_Dyn_Impl : Elf_Dyn_Base<ELFT> {
292 using Elf_Dyn_Base<ELFT>::d_tag;
293 using Elf_Dyn_Base<ELFT>::d_un;
294 int64_t getTag() const { return d_tag; }
295 uint64_t getVal() const { return d_un.d_val; }
296 uint64_t getPtr() const { return d_un.ptr; }
299 // Elf_Rel: Elf Relocation
300 template <class ELFT, bool isRela> struct Elf_Rel_Base;
302 template <endianness TargetEndianness>
303 struct Elf_Rel_Base<ELFType<TargetEndianness, false>, false> {
304 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
305 Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
306 Elf_Word r_info; // Symbol table index and type of relocation to apply
308 uint32_t getRInfo(bool isMips64EL) const {
312 void setRInfo(uint32_t R, bool IsMips64EL) {
318 template <endianness TargetEndianness>
319 struct Elf_Rel_Base<ELFType<TargetEndianness, true>, false> {
320 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
321 Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
322 Elf_Xword r_info; // Symbol table index and type of relocation to apply
324 uint64_t getRInfo(bool isMips64EL) const {
328 // Mips64 little endian has a "special" encoding of r_info. Instead of one
329 // 64 bit little endian number, it is a little endian 32 bit number followed
330 // by a 32 bit big endian number.
331 return (t << 32) | ((t >> 8) & 0xff000000) | ((t >> 24) & 0x00ff0000) |
332 ((t >> 40) & 0x0000ff00) | ((t >> 56) & 0x000000ff);
334 void setRInfo(uint64_t R, bool IsMips64EL) {
336 r_info = (R >> 32) | ((R & 0xff000000) << 8) | ((R & 0x00ff0000) << 24) |
337 ((R & 0x0000ff00) << 40) | ((R & 0x000000ff) << 56);
343 template <endianness TargetEndianness>
344 struct Elf_Rel_Base<ELFType<TargetEndianness, false>, true> {
345 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
346 Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
347 Elf_Word r_info; // Symbol table index and type of relocation to apply
348 Elf_Sword r_addend; // Compute value for relocatable field by adding this
350 uint32_t getRInfo(bool isMips64EL) const {
354 void setRInfo(uint32_t R, bool IsMips64EL) {
360 template <endianness TargetEndianness>
361 struct Elf_Rel_Base<ELFType<TargetEndianness, true>, true> {
362 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
363 Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
364 Elf_Xword r_info; // Symbol table index and type of relocation to apply
365 Elf_Sxword r_addend; // Compute value for relocatable field by adding this.
367 uint64_t getRInfo(bool isMips64EL) const {
368 // Mips64 little endian has a "special" encoding of r_info. Instead of one
369 // 64 bit little endian number, it is a little endian 32 bit number followed
370 // by a 32 bit big endian number.
374 return (t << 32) | ((t >> 8) & 0xff000000) | ((t >> 24) & 0x00ff0000) |
375 ((t >> 40) & 0x0000ff00) | ((t >> 56) & 0x000000ff);
377 void setRInfo(uint64_t R, bool IsMips64EL) {
379 r_info = (R >> 32) | ((R & 0xff000000) << 8) | ((R & 0x00ff0000) << 24) |
380 ((R & 0x0000ff00) << 40) | ((R & 0x000000ff) << 56);
386 template <class ELFT, bool isRela> struct Elf_Rel_Impl;
388 template <endianness TargetEndianness, bool isRela>
389 struct Elf_Rel_Impl<ELFType<TargetEndianness, true>, isRela>
390 : Elf_Rel_Base<ELFType<TargetEndianness, true>, isRela> {
391 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
393 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
394 // and ELF64_R_INFO macros defined in the ELF specification:
395 uint32_t getSymbol(bool isMips64EL) const {
396 return (uint32_t)(this->getRInfo(isMips64EL) >> 32);
398 uint32_t getType(bool isMips64EL) const {
399 return (uint32_t)(this->getRInfo(isMips64EL) & 0xffffffffL);
401 void setSymbol(uint32_t s, bool IsMips64EL) {
402 setSymbolAndType(s, getType(), IsMips64EL);
404 void setType(uint32_t t, bool IsMips64EL) {
405 setSymbolAndType(getSymbol(), t, IsMips64EL);
407 void setSymbolAndType(uint32_t s, uint32_t t, bool IsMips64EL) {
408 this->setRInfo(((uint64_t)s << 32) + (t & 0xffffffffL), IsMips64EL);
412 template <endianness TargetEndianness, bool isRela>
413 struct Elf_Rel_Impl<ELFType<TargetEndianness, false>, isRela>
414 : Elf_Rel_Base<ELFType<TargetEndianness, false>, isRela> {
415 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
417 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
418 // and ELF32_R_INFO macros defined in the ELF specification:
419 uint32_t getSymbol(bool isMips64EL) const {
420 return this->getRInfo(isMips64EL) >> 8;
422 unsigned char getType(bool isMips64EL) const {
423 return (unsigned char)(this->getRInfo(isMips64EL) & 0x0ff);
425 void setSymbol(uint32_t s, bool IsMips64EL) {
426 setSymbolAndType(s, getType(), IsMips64EL);
428 void setType(unsigned char t, bool IsMips64EL) {
429 setSymbolAndType(getSymbol(), t, IsMips64EL);
431 void setSymbolAndType(uint32_t s, unsigned char t, bool IsMips64EL) {
432 this->setRInfo((s << 8) + t, IsMips64EL);
436 template <class ELFT>
437 struct Elf_Ehdr_Impl {
438 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
439 unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes
440 Elf_Half e_type; // Type of file (see ET_*)
441 Elf_Half e_machine; // Required architecture for this file (see EM_*)
442 Elf_Word e_version; // Must be equal to 1
443 Elf_Addr e_entry; // Address to jump to in order to start program
444 Elf_Off e_phoff; // Program header table's file offset, in bytes
445 Elf_Off e_shoff; // Section header table's file offset, in bytes
446 Elf_Word e_flags; // Processor-specific flags
447 Elf_Half e_ehsize; // Size of ELF header, in bytes
448 Elf_Half e_phentsize; // Size of an entry in the program header table
449 Elf_Half e_phnum; // Number of entries in the program header table
450 Elf_Half e_shentsize; // Size of an entry in the section header table
451 Elf_Half e_shnum; // Number of entries in the section header table
452 Elf_Half e_shstrndx; // Section header table index of section name
454 bool checkMagic() const {
455 return (memcmp(e_ident, ELF::ElfMagic, strlen(ELF::ElfMagic))) == 0;
457 unsigned char getFileClass() const { return e_ident[ELF::EI_CLASS]; }
458 unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; }
461 template <class ELFT> struct Elf_Phdr_Impl;
463 template <endianness TargetEndianness>
464 struct Elf_Phdr_Impl<ELFType<TargetEndianness, false>> {
465 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
466 Elf_Word p_type; // Type of segment
467 Elf_Off p_offset; // FileOffset where segment is located, in bytes
468 Elf_Addr p_vaddr; // Virtual Address of beginning of segment
469 Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
470 Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
471 Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
472 Elf_Word p_flags; // Segment flags
473 Elf_Word p_align; // Segment alignment constraint
476 template <endianness TargetEndianness>
477 struct Elf_Phdr_Impl<ELFType<TargetEndianness, true>> {
478 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
479 Elf_Word p_type; // Type of segment
480 Elf_Word p_flags; // Segment flags
481 Elf_Off p_offset; // FileOffset where segment is located, in bytes
482 Elf_Addr p_vaddr; // Virtual Address of beginning of segment
483 Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
484 Elf_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
485 Elf_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero)
486 Elf_Xword p_align; // Segment alignment constraint
489 // MIPS .reginfo section
490 template <class ELFT>
491 struct Elf_Mips_RegInfo;
493 template <llvm::support::endianness TargetEndianness>
494 struct Elf_Mips_RegInfo<ELFType<TargetEndianness, false>> {
495 LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
496 Elf_Word ri_gprmask; // bit-mask of used general registers
497 Elf_Word ri_cprmask[4]; // bit-mask of used co-processor registers
498 Elf_Addr ri_gp_value; // gp register value
501 template <llvm::support::endianness TargetEndianness>
502 struct Elf_Mips_RegInfo<ELFType<TargetEndianness, true>> {
503 LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
504 Elf_Word ri_gprmask; // bit-mask of used general registers
505 Elf_Word ri_pad; // unused padding field
506 Elf_Word ri_cprmask[4]; // bit-mask of used co-processor registers
507 Elf_Addr ri_gp_value; // gp register value
510 // .MIPS.options section
511 template <class ELFT> struct Elf_Mips_Options {
512 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
513 uint8_t kind; // Determines interpretation of variable part of descriptor
514 uint8_t size; // Byte size of descriptor, including this header
515 Elf_Half section; // Section header index of section affected,
516 // or 0 for global options
517 Elf_Word info; // Kind-specific information
519 const Elf_Mips_RegInfo<ELFT> &getRegInfo() const {
520 assert(kind == llvm::ELF::ODK_REGINFO);
521 return *reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(
522 (const uint8_t *)this + sizeof(Elf_Mips_Options));
526 // .MIPS.abiflags section content
527 template <class ELFT> struct Elf_Mips_ABIFlags {
528 LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
529 Elf_Half version; // Version of the structure
530 uint8_t isa_level; // ISA level: 1-5, 32, and 64
531 uint8_t isa_rev; // ISA revision (0 for MIPS I - MIPS V)
532 uint8_t gpr_size; // General purpose registers size
533 uint8_t cpr1_size; // Co-processor 1 registers size
534 uint8_t cpr2_size; // Co-processor 2 registers size
535 uint8_t fp_abi; // Floating-point ABI flag
536 Elf_Word isa_ext; // Processor-specific extension
537 Elf_Word ases; // ASEs flags
538 Elf_Word flags1; // General flags
539 Elf_Word flags2; // General flags
542 } // end namespace object.
543 } // end namespace llvm.