LLVM  3.7.0
ELFTypes.h
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1 //===- ELFTypes.h - Endian specific types for ELF ---------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #ifndef LLVM_OBJECT_ELFTYPES_H
11 #define LLVM_OBJECT_ELFTYPES_H
12 
13 #include "llvm/ADT/ArrayRef.h"
14 #include "llvm/Object/Error.h"
15 #include "llvm/Support/DataTypes.h"
16 #include "llvm/Support/ELF.h"
17 #include "llvm/Support/Endian.h"
18 #include "llvm/Support/ErrorOr.h"
19 
20 namespace llvm {
21 namespace object {
22 
24 
25 template <endianness target_endianness, bool is64Bits> struct ELFType {
26  static const endianness TargetEndianness = target_endianness;
27  static const bool Is64Bits = is64Bits;
28 };
29 
34 
35 // Use an alignment of 2 for the typedefs since that is the worst case for
36 // ELF files in archives.
37 
38 // Templates to choose Elf_Addr and Elf_Off depending on is64Bits.
39 template <endianness target_endianness> struct ELFDataTypeTypedefHelperCommon {
41  uint16_t, target_endianness, 2> Elf_Half;
43  uint32_t, target_endianness, 2> Elf_Word;
45  int32_t, target_endianness, 2> Elf_Sword;
47  uint64_t, target_endianness, 2> Elf_Xword;
49  int64_t, target_endianness, 2> Elf_Sxword;
50 };
51 
52 template <class ELFT> struct ELFDataTypeTypedefHelper;
53 
54 /// ELF 32bit types.
55 template <endianness TargetEndianness>
56 struct ELFDataTypeTypedefHelper<ELFType<TargetEndianness, false>>
57  : ELFDataTypeTypedefHelperCommon<TargetEndianness> {
58  typedef uint32_t value_type;
60  value_type, TargetEndianness, 2> Elf_Addr;
62  value_type, TargetEndianness, 2> Elf_Off;
63 };
64 
65 /// ELF 64bit types.
66 template <endianness TargetEndianness>
67 struct ELFDataTypeTypedefHelper<ELFType<TargetEndianness, true>>
68  : ELFDataTypeTypedefHelperCommon<TargetEndianness> {
69  typedef uint64_t value_type;
71  value_type, TargetEndianness, 2> Elf_Addr;
73  value_type, TargetEndianness, 2> Elf_Off;
74 };
75 
76 // I really don't like doing this, but the alternative is copypasta.
77 #define LLVM_ELF_IMPORT_TYPES(E, W) \
78  typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Addr Elf_Addr; \
79  typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Off Elf_Off; \
80  typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Half Elf_Half; \
81  typedef typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Word Elf_Word; \
82  typedef \
83  typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Sword Elf_Sword; \
84  typedef \
85  typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Xword Elf_Xword; \
86  typedef \
87  typename ELFDataTypeTypedefHelper<ELFType<E, W>>::Elf_Sxword Elf_Sxword;
88 
89 #define LLVM_ELF_IMPORT_TYPES_ELFT(ELFT) \
90  LLVM_ELF_IMPORT_TYPES(ELFT::TargetEndianness, ELFT::Is64Bits)
91 
92 // Section header.
93 template <class ELFT> struct Elf_Shdr_Base;
94 
95 template <endianness TargetEndianness>
96 struct Elf_Shdr_Base<ELFType<TargetEndianness, false>> {
97  LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
98  Elf_Word sh_name; // Section name (index into string table)
99  Elf_Word sh_type; // Section type (SHT_*)
100  Elf_Word sh_flags; // Section flags (SHF_*)
101  Elf_Addr sh_addr; // Address where section is to be loaded
102  Elf_Off sh_offset; // File offset of section data, in bytes
103  Elf_Word sh_size; // Size of section, in bytes
104  Elf_Word sh_link; // Section type-specific header table index link
105  Elf_Word sh_info; // Section type-specific extra information
106  Elf_Word sh_addralign; // Section address alignment
107  Elf_Word sh_entsize; // Size of records contained within the section
108 };
109 
110 template <endianness TargetEndianness>
111 struct Elf_Shdr_Base<ELFType<TargetEndianness, true>> {
112  LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
113  Elf_Word sh_name; // Section name (index into string table)
114  Elf_Word sh_type; // Section type (SHT_*)
115  Elf_Xword sh_flags; // Section flags (SHF_*)
116  Elf_Addr sh_addr; // Address where section is to be loaded
117  Elf_Off sh_offset; // File offset of section data, in bytes
118  Elf_Xword sh_size; // Size of section, in bytes
119  Elf_Word sh_link; // Section type-specific header table index link
120  Elf_Word sh_info; // Section type-specific extra information
121  Elf_Xword sh_addralign; // Section address alignment
122  Elf_Xword sh_entsize; // Size of records contained within the section
123 };
124 
125 template <class ELFT>
126 struct Elf_Shdr_Impl : Elf_Shdr_Base<ELFT> {
129 
130  /// @brief Get the number of entities this section contains if it has any.
131  unsigned getEntityCount() const {
132  if (sh_entsize == 0)
133  return 0;
134  return sh_size / sh_entsize;
135  }
136 };
137 
138 template <class ELFT> struct Elf_Sym_Base;
139 
140 template <endianness TargetEndianness>
141 struct Elf_Sym_Base<ELFType<TargetEndianness, false>> {
142  LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
143  Elf_Word st_name; // Symbol name (index into string table)
144  Elf_Addr st_value; // Value or address associated with the symbol
145  Elf_Word st_size; // Size of the symbol
146  unsigned char st_info; // Symbol's type and binding attributes
147  unsigned char st_other; // Must be zero; reserved
148  Elf_Half st_shndx; // Which section (header table index) it's defined in
149 };
150 
151 template <endianness TargetEndianness>
152 struct Elf_Sym_Base<ELFType<TargetEndianness, true>> {
153  LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
154  Elf_Word st_name; // Symbol name (index into string table)
155  unsigned char st_info; // Symbol's type and binding attributes
156  unsigned char st_other; // Must be zero; reserved
157  Elf_Half st_shndx; // Which section (header table index) it's defined in
158  Elf_Addr st_value; // Value or address associated with the symbol
159  Elf_Xword st_size; // Size of the symbol
160 };
161 
162 template <class ELFT>
163 struct Elf_Sym_Impl : Elf_Sym_Base<ELFT> {
168 
169  // These accessors and mutators correspond to the ELF32_ST_BIND,
170  // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
171  unsigned char getBinding() const { return st_info >> 4; }
172  unsigned char getType() const { return st_info & 0x0f; }
173  uint64_t getValue() const { return st_value; }
174  void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
175  void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
176  void setBindingAndType(unsigned char b, unsigned char t) {
177  st_info = (b << 4) + (t & 0x0f);
178  }
179 
180  /// Access to the STV_xxx flag stored in the first two bits of st_other.
181  /// STV_DEFAULT: 0
182  /// STV_INTERNAL: 1
183  /// STV_HIDDEN: 2
184  /// STV_PROTECTED: 3
185  unsigned char getVisibility() const { return st_other & 0x3; }
186  void setVisibility(unsigned char v) {
187  assert(v < 4 && "Invalid value for visibility");
188  st_other = (st_other & ~0x3) | v;
189  }
190 
191  bool isAbsolute() const { return st_shndx == ELF::SHN_ABS; }
192  bool isCommon() const {
193  return getType() == ELF::STT_COMMON || st_shndx == ELF::SHN_COMMON;
194  }
195  bool isDefined() const { return !isUndefined(); }
196  bool isProcessorSpecific() const {
197  return st_shndx >= ELF::SHN_LOPROC && st_shndx <= ELF::SHN_HIPROC;
198  }
199  bool isOSSpecific() const {
200  return st_shndx >= ELF::SHN_LOOS && st_shndx <= ELF::SHN_HIOS;
201  }
202  bool isReserved() const {
203  // ELF::SHN_HIRESERVE is 0xffff so st_shndx <= ELF::SHN_HIRESERVE is always
204  // true and some compilers warn about it.
205  return st_shndx >= ELF::SHN_LORESERVE;
206  }
207  bool isUndefined() const { return st_shndx == ELF::SHN_UNDEF; }
208  bool isExternal() const {
209  return getBinding() != ELF::STB_LOCAL;
210  }
211 
212  ErrorOr<StringRef> getName(StringRef StrTab) const;
213 };
214 
215 template <class ELFT>
217  uint32_t Offset = this->st_name;
218  if (Offset >= StrTab.size())
220  return StringRef(StrTab.data() + Offset);
221 }
222 
223 /// Elf_Versym: This is the structure of entries in the SHT_GNU_versym section
224 /// (.gnu.version). This structure is identical for ELF32 and ELF64.
225 template <class ELFT>
228  Elf_Half vs_index; // Version index with flags (e.g. VERSYM_HIDDEN)
229 };
230 
231 template <class ELFT> struct Elf_Verdaux_Impl;
232 
233 /// Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section
234 /// (.gnu.version_d). This structure is identical for ELF32 and ELF64.
235 template <class ELFT>
238  typedef Elf_Verdaux_Impl<ELFT> Elf_Verdaux;
239  Elf_Half vd_version; // Version of this structure (e.g. VER_DEF_CURRENT)
240  Elf_Half vd_flags; // Bitwise flags (VER_DEF_*)
241  Elf_Half vd_ndx; // Version index, used in .gnu.version entries
242  Elf_Half vd_cnt; // Number of Verdaux entries
243  Elf_Word vd_hash; // Hash of name
244  Elf_Word vd_aux; // Offset to the first Verdaux entry (in bytes)
245  Elf_Word vd_next; // Offset to the next Verdef entry (in bytes)
246 
247  /// Get the first Verdaux entry for this Verdef.
248  const Elf_Verdaux *getAux() const {
249  return reinterpret_cast<const Elf_Verdaux *>((const char *)this + vd_aux);
250  }
251 };
252 
253 /// Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef
254 /// section (.gnu.version_d). This structure is identical for ELF32 and ELF64.
255 template <class ELFT>
256 struct Elf_Verdaux_Impl {
258  Elf_Word vda_name; // Version name (offset in string table)
259  Elf_Word vda_next; // Offset to next Verdaux entry (in bytes)
260 };
261 
262 /// Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed
263 /// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
264 template <class ELFT>
267  Elf_Half vn_version; // Version of this structure (e.g. VER_NEED_CURRENT)
268  Elf_Half vn_cnt; // Number of associated Vernaux entries
269  Elf_Word vn_file; // Library name (string table offset)
270  Elf_Word vn_aux; // Offset to first Vernaux entry (in bytes)
271  Elf_Word vn_next; // Offset to next Verneed entry (in bytes)
272 };
273 
274 /// Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed
275 /// section (.gnu.version_r). This structure is identical for ELF32 and ELF64.
276 template <class ELFT>
279  Elf_Word vna_hash; // Hash of dependency name
280  Elf_Half vna_flags; // Bitwise Flags (VER_FLAG_*)
281  Elf_Half vna_other; // Version index, used in .gnu.version entries
282  Elf_Word vna_name; // Dependency name
283  Elf_Word vna_next; // Offset to next Vernaux entry (in bytes)
284 };
285 
286 /// Elf_Dyn_Base: This structure matches the form of entries in the dynamic
287 /// table section (.dynamic) look like.
288 template <class ELFT> struct Elf_Dyn_Base;
289 
290 template <endianness TargetEndianness>
291 struct Elf_Dyn_Base<ELFType<TargetEndianness, false>> {
292  LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
293  Elf_Sword d_tag;
294  union {
295  Elf_Word d_val;
296  Elf_Addr d_ptr;
297  } d_un;
298 };
299 
300 template <endianness TargetEndianness>
301 struct Elf_Dyn_Base<ELFType<TargetEndianness, true>> {
302  LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
303  Elf_Sxword d_tag;
304  union {
305  Elf_Xword d_val;
306  Elf_Addr d_ptr;
307  } d_un;
308 };
309 
310 /// Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters.
311 template <class ELFT>
312 struct Elf_Dyn_Impl : Elf_Dyn_Base<ELFT> {
315  int64_t getTag() const { return d_tag; }
316  uint64_t getVal() const { return d_un.d_val; }
317  uint64_t getPtr() const { return d_un.d_ptr; }
318 };
319 
320 // Elf_Rel: Elf Relocation
321 template <class ELFT, bool isRela> struct Elf_Rel_Impl;
322 
323 template <endianness TargetEndianness>
324 struct Elf_Rel_Impl<ELFType<TargetEndianness, false>, false> {
325  LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
326  Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
327  Elf_Word r_info; // Symbol table index and type of relocation to apply
328 
329  uint32_t getRInfo(bool isMips64EL) const {
330  assert(!isMips64EL);
331  return r_info;
332  }
333  void setRInfo(uint32_t R, bool IsMips64EL) {
334  assert(!IsMips64EL);
335  r_info = R;
336  }
337 
338  // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
339  // and ELF32_R_INFO macros defined in the ELF specification:
340  uint32_t getSymbol(bool isMips64EL) const {
341  return this->getRInfo(isMips64EL) >> 8;
342  }
343  unsigned char getType(bool isMips64EL) const {
344  return (unsigned char)(this->getRInfo(isMips64EL) & 0x0ff);
345  }
346  void setSymbol(uint32_t s, bool IsMips64EL) {
347  setSymbolAndType(s, getType(), IsMips64EL);
348  }
349  void setType(unsigned char t, bool IsMips64EL) {
350  setSymbolAndType(getSymbol(), t, IsMips64EL);
351  }
352  void setSymbolAndType(uint32_t s, unsigned char t, bool IsMips64EL) {
353  this->setRInfo((s << 8) + t, IsMips64EL);
354  }
355 };
356 
357 template <endianness TargetEndianness>
358 struct Elf_Rel_Impl<ELFType<TargetEndianness, false>, true>
359  : public Elf_Rel_Impl<ELFType<TargetEndianness, false>, false> {
360  LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
361  Elf_Sword r_addend; // Compute value for relocatable field by adding this
362 };
363 
364 template <endianness TargetEndianness>
365 struct Elf_Rel_Impl<ELFType<TargetEndianness, true>, false> {
366  LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
367  Elf_Addr r_offset; // Location (file byte offset, or program virtual addr)
368  Elf_Xword r_info; // Symbol table index and type of relocation to apply
369 
370  uint64_t getRInfo(bool isMips64EL) const {
371  uint64_t t = r_info;
372  if (!isMips64EL)
373  return t;
374  // Mips64 little endian has a "special" encoding of r_info. Instead of one
375  // 64 bit little endian number, it is a little endian 32 bit number followed
376  // by a 32 bit big endian number.
377  return (t << 32) | ((t >> 8) & 0xff000000) | ((t >> 24) & 0x00ff0000) |
378  ((t >> 40) & 0x0000ff00) | ((t >> 56) & 0x000000ff);
379  }
380  void setRInfo(uint64_t R, bool IsMips64EL) {
381  if (IsMips64EL)
382  r_info = (R >> 32) | ((R & 0xff000000) << 8) | ((R & 0x00ff0000) << 24) |
383  ((R & 0x0000ff00) << 40) | ((R & 0x000000ff) << 56);
384  else
385  r_info = R;
386  }
387 
388  // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
389  // and ELF64_R_INFO macros defined in the ELF specification:
390  uint32_t getSymbol(bool isMips64EL) const {
391  return (uint32_t)(this->getRInfo(isMips64EL) >> 32);
392  }
393  uint32_t getType(bool isMips64EL) const {
394  return (uint32_t)(this->getRInfo(isMips64EL) & 0xffffffffL);
395  }
396  void setSymbol(uint32_t s, bool IsMips64EL) {
397  setSymbolAndType(s, getType(), IsMips64EL);
398  }
399  void setType(uint32_t t, bool IsMips64EL) {
400  setSymbolAndType(getSymbol(), t, IsMips64EL);
401  }
402  void setSymbolAndType(uint32_t s, uint32_t t, bool IsMips64EL) {
403  this->setRInfo(((uint64_t)s << 32) + (t & 0xffffffffL), IsMips64EL);
404  }
405 };
406 
407 template <endianness TargetEndianness>
408 struct Elf_Rel_Impl<ELFType<TargetEndianness, true>, true>
409  : public Elf_Rel_Impl<ELFType<TargetEndianness, true>, false> {
410  LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
411  Elf_Sxword r_addend; // Compute value for relocatable field by adding this.
412 };
413 
414 template <class ELFT>
417  unsigned char e_ident[ELF::EI_NIDENT]; // ELF Identification bytes
418  Elf_Half e_type; // Type of file (see ET_*)
419  Elf_Half e_machine; // Required architecture for this file (see EM_*)
420  Elf_Word e_version; // Must be equal to 1
421  Elf_Addr e_entry; // Address to jump to in order to start program
422  Elf_Off e_phoff; // Program header table's file offset, in bytes
423  Elf_Off e_shoff; // Section header table's file offset, in bytes
424  Elf_Word e_flags; // Processor-specific flags
425  Elf_Half e_ehsize; // Size of ELF header, in bytes
426  Elf_Half e_phentsize; // Size of an entry in the program header table
427  Elf_Half e_phnum; // Number of entries in the program header table
428  Elf_Half e_shentsize; // Size of an entry in the section header table
429  Elf_Half e_shnum; // Number of entries in the section header table
430  Elf_Half e_shstrndx; // Section header table index of section name
431  // string table
432  bool checkMagic() const {
433  return (memcmp(e_ident, ELF::ElfMagic, strlen(ELF::ElfMagic))) == 0;
434  }
435  unsigned char getFileClass() const { return e_ident[ELF::EI_CLASS]; }
436  unsigned char getDataEncoding() const { return e_ident[ELF::EI_DATA]; }
437 };
438 
439 template <class ELFT> struct Elf_Phdr_Impl;
440 
441 template <endianness TargetEndianness>
442 struct Elf_Phdr_Impl<ELFType<TargetEndianness, false>> {
443  LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
444  Elf_Word p_type; // Type of segment
445  Elf_Off p_offset; // FileOffset where segment is located, in bytes
446  Elf_Addr p_vaddr; // Virtual Address of beginning of segment
447  Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
448  Elf_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
449  Elf_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
450  Elf_Word p_flags; // Segment flags
451  Elf_Word p_align; // Segment alignment constraint
452 };
453 
454 template <endianness TargetEndianness>
455 struct Elf_Phdr_Impl<ELFType<TargetEndianness, true>> {
456  LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
457  Elf_Word p_type; // Type of segment
458  Elf_Word p_flags; // Segment flags
459  Elf_Off p_offset; // FileOffset where segment is located, in bytes
460  Elf_Addr p_vaddr; // Virtual Address of beginning of segment
461  Elf_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
462  Elf_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
463  Elf_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero)
464  Elf_Xword p_align; // Segment alignment constraint
465 };
466 
467 // ELFT needed for endianess.
468 template <class ELFT>
471  Elf_Word nbucket;
472  Elf_Word nchain;
473 
474  ArrayRef<Elf_Word> buckets() const {
475  return ArrayRef<Elf_Word>(&nbucket + 2, &nbucket + 2 + nbucket);
476  }
477 
479  return ArrayRef<Elf_Word>(&nbucket + 2 + nbucket,
480  &nbucket + 2 + nbucket + nchain);
481  }
482 };
483 
484 // MIPS .reginfo section
485 template <class ELFT>
487 
488 template <llvm::support::endianness TargetEndianness>
489 struct Elf_Mips_RegInfo<ELFType<TargetEndianness, false>> {
490  LLVM_ELF_IMPORT_TYPES(TargetEndianness, false)
491  Elf_Word ri_gprmask; // bit-mask of used general registers
492  Elf_Word ri_cprmask[4]; // bit-mask of used co-processor registers
493  Elf_Addr ri_gp_value; // gp register value
494 };
495 
496 template <llvm::support::endianness TargetEndianness>
497 struct Elf_Mips_RegInfo<ELFType<TargetEndianness, true>> {
498  LLVM_ELF_IMPORT_TYPES(TargetEndianness, true)
499  Elf_Word ri_gprmask; // bit-mask of used general registers
500  Elf_Word ri_pad; // unused padding field
501  Elf_Word ri_cprmask[4]; // bit-mask of used co-processor registers
502  Elf_Addr ri_gp_value; // gp register value
503 };
504 
505 // .MIPS.options section
506 template <class ELFT> struct Elf_Mips_Options {
508  uint8_t kind; // Determines interpretation of variable part of descriptor
509  uint8_t size; // Byte size of descriptor, including this header
510  Elf_Half section; // Section header index of section affected,
511  // or 0 for global options
512  Elf_Word info; // Kind-specific information
513 
514  const Elf_Mips_RegInfo<ELFT> &getRegInfo() const {
515  assert(kind == llvm::ELF::ODK_REGINFO);
516  return *reinterpret_cast<const Elf_Mips_RegInfo<ELFT> *>(
517  (const uint8_t *)this + sizeof(Elf_Mips_Options));
518  }
519 };
520 
521 // .MIPS.abiflags section content
522 template <class ELFT> struct Elf_Mips_ABIFlags {
524  Elf_Half version; // Version of the structure
525  uint8_t isa_level; // ISA level: 1-5, 32, and 64
526  uint8_t isa_rev; // ISA revision (0 for MIPS I - MIPS V)
527  uint8_t gpr_size; // General purpose registers size
528  uint8_t cpr1_size; // Co-processor 1 registers size
529  uint8_t cpr2_size; // Co-processor 2 registers size
530  uint8_t fp_abi; // Floating-point ABI flag
531  Elf_Word isa_ext; // Processor-specific extension
532  Elf_Word ases; // ASEs flags
533  Elf_Word flags1; // General flags
534  Elf_Word flags2; // General flags
535 };
536 
537 } // end namespace object.
538 } // end namespace llvm.
539 
540 #endif
unsigned char getType() const
Definition: ELFTypes.h:172
void setSymbolAndType(uint32_t s, uint32_t t, bool IsMips64EL)
Definition: ELFTypes.h:402
static const bool Is64Bits
Definition: ELFTypes.h:27
Represents either an error or a value T.
Definition: ErrorOr.h:82
void setSymbolAndType(uint32_t s, unsigned char t, bool IsMips64EL)
Definition: ELFTypes.h:352
size_t size() const
size - Get the string size.
Definition: StringRef.h:113
void setVisibility(unsigned char v)
Definition: ELFTypes.h:186
Elf_Verdef: This is the structure of entries in the SHT_GNU_verdef section (.gnu.version_d).
Definition: ELFTypes.h:236
unsigned char getDataEncoding() const
Definition: ELFTypes.h:436
bool isAbsolute() const
Definition: ELFTypes.h:191
uint64_t getPtr() const
Definition: ELFTypes.h:317
void setBinding(unsigned char b)
Definition: ELFTypes.h:174
FunctionType * getType(LLVMContext &Context, ID id, ArrayRef< Type * > Tys=None)
Return the function type for an intrinsic.
Definition: Function.cpp:822
bool isOSSpecific() const
Definition: ELFTypes.h:199
Elf_Dyn_Impl: This inherits from Elf_Dyn_Base, adding getters and setters.
Definition: ELFTypes.h:312
ELFType< support::little, true > ELF64LE
Definition: ELFTypes.h:32
ELFType< support::big, false > ELF32BE
Definition: ELFTypes.h:31
uint64_t getValue() const
Definition: ELFTypes.h:173
lazy value info
support::detail::packed_endian_specific_integral< int32_t, target_endianness, 2 > Elf_Sword
Definition: ELFTypes.h:45
unsigned char getFileClass() const
Definition: ELFTypes.h:435
support::detail::packed_endian_specific_integral< value_type, TargetEndianness, 2 > Elf_Addr
Definition: ELFTypes.h:71
static StringRef getName(Value *V)
Elf_Verneed: This is the structure of entries in the SHT_GNU_verneed section (.gnu.version_r).
Definition: ELFTypes.h:265
#define false
Definition: ConvertUTF.c:65
#define LLVM_ELF_IMPORT_TYPES(E, W)
Definition: ELFTypes.h:77
const char * data() const
data - Get a pointer to the start of the string (which may not be null terminated).
Definition: StringRef.h:107
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory)...
Definition: ArrayRef.h:31
support::detail::packed_endian_specific_integral< uint16_t, target_endianness, 2 > Elf_Half
Definition: ELFTypes.h:41
bool isDefined() const
Definition: ELFTypes.h:195
support::detail::packed_endian_specific_integral< value_type, TargetEndianness, 2 > Elf_Addr
Definition: ELFTypes.h:60
Elf_Verdaux: This is the structure of auxiliary data in the SHT_GNU_verdef section (...
Definition: ELFTypes.h:231
#define true
Definition: ConvertUTF.c:66
bool isProcessorSpecific() const
Definition: ELFTypes.h:196
ErrorOr< StringRef > getName(StringRef StrTab) const
Definition: ELFTypes.h:216
ELFType< support::little, false > ELF32LE
Definition: ELFTypes.h:30
void setType(unsigned char t)
Definition: ELFTypes.h:175
support::detail::packed_endian_specific_integral< value_type, TargetEndianness, 2 > Elf_Off
Definition: ELFTypes.h:73
unsigned char getVisibility() const
Access to the STV_xxx flag stored in the first two bits of st_other.
Definition: ELFTypes.h:185
Elf_Dyn_Base: This structure matches the form of entries in the dynamic table section (...
Definition: ELFTypes.h:288
ELFType< support::big, true > ELF64BE
Definition: ELFTypes.h:33
bool isUndefined() const
Definition: ELFTypes.h:207
int64_t getTag() const
Definition: ELFTypes.h:315
support::detail::packed_endian_specific_integral< uint32_t, target_endianness, 2 > Elf_Word
Definition: ELFTypes.h:43
static const char ElfMagic[]
Definition: Support/ELF.h:46
uint64_t getVal() const
Definition: ELFTypes.h:316
bool isReserved() const
Definition: ELFTypes.h:202
void setBindingAndType(unsigned char b, unsigned char t)
Definition: ELFTypes.h:176
bool isCommon() const
Definition: ELFTypes.h:192
support::detail::packed_endian_specific_integral< int64_t, target_endianness, 2 > Elf_Sxword
Definition: ELFTypes.h:49
Elf_Versym: This is the structure of entries in the SHT_GNU_versym section (.gnu.version).
Definition: ELFTypes.h:226
ArrayRef< Elf_Word > chains() const
Definition: ELFTypes.h:478
unsigned getEntityCount() const
Get the number of entities this section contains if it has any.
Definition: ELFTypes.h:131
void size_t size
Provides ErrorOr<T> smart pointer.
static const endianness TargetEndianness
Definition: ELFTypes.h:26
support::detail::packed_endian_specific_integral< value_type, TargetEndianness, 2 > Elf_Off
Definition: ELFTypes.h:62
aarch64 promote const
#define LLVM_ELF_IMPORT_TYPES_ELFT(ELFT)
Definition: ELFTypes.h:89
StringRef - Represent a constant reference to a string, i.e.
Definition: StringRef.h:40
bool isExternal() const
Definition: ELFTypes.h:208
Elf_Vernaux: This is the structure of auxiliary data in SHT_GNU_verneed section (.gnu.version_r).
Definition: ELFTypes.h:277
unsigned char getBinding() const
Definition: ELFTypes.h:171
support::detail::packed_endian_specific_integral< uint64_t, target_endianness, 2 > Elf_Xword
Definition: ELFTypes.h:47