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ELF.h
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1 //===- llvm/BinaryFormat/ELF.h - ELF constants and structures ---*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This header contains common, non-processor-specific data structures and
10 // constants for the ELF file format.
11 //
12 // The details of the ELF32 bits in this file are largely based on the Tool
13 // Interface Standard (TIS) Executable and Linking Format (ELF) Specification
14 // Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format
15 // Version 1.5, Draft 2, May 1998 as well as OpenBSD header files.
16 //
17 //===----------------------------------------------------------------------===//
18 
19 #ifndef LLVM_BINARYFORMAT_ELF_H
20 #define LLVM_BINARYFORMAT_ELF_H
21 
22 #include <cstdint>
23 #include <cstring>
24 
25 namespace llvm {
26 namespace ELF {
27 
28 using Elf32_Addr = uint32_t; // Program address
29 using Elf32_Off = uint32_t; // File offset
30 using Elf32_Half = uint16_t;
32 using Elf32_Sword = int32_t;
33 
34 using Elf64_Addr = uint64_t;
35 using Elf64_Off = uint64_t;
36 using Elf64_Half = uint16_t;
38 using Elf64_Sword = int32_t;
39 using Elf64_Xword = uint64_t;
40 using Elf64_Sxword = int64_t;
41 
42 // Object file magic string.
43 static const char ElfMagic[] = {0x7f, 'E', 'L', 'F', '\0'};
44 
45 // e_ident size and indices.
46 enum {
47  EI_MAG0 = 0, // File identification index.
48  EI_MAG1 = 1, // File identification index.
49  EI_MAG2 = 2, // File identification index.
50  EI_MAG3 = 3, // File identification index.
51  EI_CLASS = 4, // File class.
52  EI_DATA = 5, // Data encoding.
53  EI_VERSION = 6, // File version.
54  EI_OSABI = 7, // OS/ABI identification.
55  EI_ABIVERSION = 8, // ABI version.
56  EI_PAD = 9, // Start of padding bytes.
57  EI_NIDENT = 16 // Number of bytes in e_ident.
58 };
59 
60 struct Elf32_Ehdr {
61  unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes
62  Elf32_Half e_type; // Type of file (see ET_* below)
63  Elf32_Half e_machine; // Required architecture for this file (see EM_*)
64  Elf32_Word e_version; // Must be equal to 1
65  Elf32_Addr e_entry; // Address to jump to in order to start program
66  Elf32_Off e_phoff; // Program header table's file offset, in bytes
67  Elf32_Off e_shoff; // Section header table's file offset, in bytes
68  Elf32_Word e_flags; // Processor-specific flags
69  Elf32_Half e_ehsize; // Size of ELF header, in bytes
70  Elf32_Half e_phentsize; // Size of an entry in the program header table
71  Elf32_Half e_phnum; // Number of entries in the program header table
72  Elf32_Half e_shentsize; // Size of an entry in the section header table
73  Elf32_Half e_shnum; // Number of entries in the section header table
74  Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table
75 
76  bool checkMagic() const {
77  return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
78  }
79 
80  unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
81  unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
82 };
83 
84 // 64-bit ELF header. Fields are the same as for ELF32, but with different
85 // types (see above).
86 struct Elf64_Ehdr {
87  unsigned char e_ident[EI_NIDENT];
101 
102  bool checkMagic() const {
103  return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
104  }
105 
106  unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
107  unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
108 };
109 
110 // File types
111 enum {
112  ET_NONE = 0, // No file type
113  ET_REL = 1, // Relocatable file
114  ET_EXEC = 2, // Executable file
115  ET_DYN = 3, // Shared object file
116  ET_CORE = 4, // Core file
117  ET_LOPROC = 0xff00, // Beginning of processor-specific codes
118  ET_HIPROC = 0xffff // Processor-specific
119 };
120 
121 // Versioning
122 enum { EV_NONE = 0, EV_CURRENT = 1 };
123 
124 // Machine architectures
125 // See current registered ELF machine architectures at:
126 // http://www.uxsglobal.com/developers/gabi/latest/ch4.eheader.html
127 enum {
128  EM_NONE = 0, // No machine
129  EM_M32 = 1, // AT&T WE 32100
130  EM_SPARC = 2, // SPARC
131  EM_386 = 3, // Intel 386
132  EM_68K = 4, // Motorola 68000
133  EM_88K = 5, // Motorola 88000
134  EM_IAMCU = 6, // Intel MCU
135  EM_860 = 7, // Intel 80860
136  EM_MIPS = 8, // MIPS R3000
137  EM_S370 = 9, // IBM System/370
138  EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian
139  EM_PARISC = 15, // Hewlett-Packard PA-RISC
140  EM_VPP500 = 17, // Fujitsu VPP500
141  EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC
142  EM_960 = 19, // Intel 80960
143  EM_PPC = 20, // PowerPC
144  EM_PPC64 = 21, // PowerPC64
145  EM_S390 = 22, // IBM System/390
146  EM_SPU = 23, // IBM SPU/SPC
147  EM_V800 = 36, // NEC V800
148  EM_FR20 = 37, // Fujitsu FR20
149  EM_RH32 = 38, // TRW RH-32
150  EM_RCE = 39, // Motorola RCE
151  EM_ARM = 40, // ARM
152  EM_ALPHA = 41, // DEC Alpha
153  EM_SH = 42, // Hitachi SH
154  EM_SPARCV9 = 43, // SPARC V9
155  EM_TRICORE = 44, // Siemens TriCore
156  EM_ARC = 45, // Argonaut RISC Core
157  EM_H8_300 = 46, // Hitachi H8/300
158  EM_H8_300H = 47, // Hitachi H8/300H
159  EM_H8S = 48, // Hitachi H8S
160  EM_H8_500 = 49, // Hitachi H8/500
161  EM_IA_64 = 50, // Intel IA-64 processor architecture
162  EM_MIPS_X = 51, // Stanford MIPS-X
163  EM_COLDFIRE = 52, // Motorola ColdFire
164  EM_68HC12 = 53, // Motorola M68HC12
165  EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator
166  EM_PCP = 55, // Siemens PCP
167  EM_NCPU = 56, // Sony nCPU embedded RISC processor
168  EM_NDR1 = 57, // Denso NDR1 microprocessor
169  EM_STARCORE = 58, // Motorola Star*Core processor
170  EM_ME16 = 59, // Toyota ME16 processor
171  EM_ST100 = 60, // STMicroelectronics ST100 processor
172  EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family
173  EM_X86_64 = 62, // AMD x86-64 architecture
174  EM_PDSP = 63, // Sony DSP Processor
175  EM_PDP10 = 64, // Digital Equipment Corp. PDP-10
176  EM_PDP11 = 65, // Digital Equipment Corp. PDP-11
177  EM_FX66 = 66, // Siemens FX66 microcontroller
178  EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller
179  EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller
180  EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller
181  EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller
182  EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller
183  EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller
184  EM_SVX = 73, // Silicon Graphics SVx
185  EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller
186  EM_VAX = 75, // Digital VAX
187  EM_CRIS = 76, // Axis Communications 32-bit embedded processor
188  EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor
189  EM_FIREPATH = 78, // Element 14 64-bit DSP Processor
190  EM_ZSP = 79, // LSI Logic 16-bit DSP Processor
191  EM_MMIX = 80, // Donald Knuth's educational 64-bit processor
192  EM_HUANY = 81, // Harvard University machine-independent object files
193  EM_PRISM = 82, // SiTera Prism
194  EM_AVR = 83, // Atmel AVR 8-bit microcontroller
195  EM_FR30 = 84, // Fujitsu FR30
196  EM_D10V = 85, // Mitsubishi D10V
197  EM_D30V = 86, // Mitsubishi D30V
198  EM_V850 = 87, // NEC v850
199  EM_M32R = 88, // Mitsubishi M32R
200  EM_MN10300 = 89, // Matsushita MN10300
201  EM_MN10200 = 90, // Matsushita MN10200
202  EM_PJ = 91, // picoJava
203  EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor
204  EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old
205  // spelling/synonym: EM_ARC_A5)
206  EM_XTENSA = 94, // Tensilica Xtensa Architecture
207  EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor
208  EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor
209  EM_NS32K = 97, // National Semiconductor 32000 series
210  EM_TPC = 98, // Tenor Network TPC processor
211  EM_SNP1K = 99, // Trebia SNP 1000 processor
212  EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200
213  EM_IP2K = 101, // Ubicom IP2xxx microcontroller family
214  EM_MAX = 102, // MAX Processor
215  EM_CR = 103, // National Semiconductor CompactRISC microprocessor
216  EM_F2MC16 = 104, // Fujitsu F2MC16
217  EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430
218  EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor
219  EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors
220  EM_SEP = 108, // Sharp embedded microprocessor
221  EM_ARCA = 109, // Arca RISC Microprocessor
222  EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC
223  // of Peking University
224  EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU
225  EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor
226  EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor
227  EM_CRX = 114, // National Semiconductor CompactRISC CRX
228  EM_XGATE = 115, // Motorola XGATE embedded processor
229  EM_C166 = 116, // Infineon C16x/XC16x processor
230  EM_M16C = 117, // Renesas M16C series microprocessors
231  EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal
232  // Controller
233  EM_CE = 119, // Freescale Communication Engine RISC core
234  EM_M32C = 120, // Renesas M32C series microprocessors
235  EM_TSK3000 = 131, // Altium TSK3000 core
236  EM_RS08 = 132, // Freescale RS08 embedded processor
237  EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP
238  // processors
239  EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor
240  EM_SCORE7 = 135, // Sunplus S+core7 RISC processor
241  EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor
242  EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor
243  EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture
244  EM_SE_C17 = 139, // Seiko Epson C17 family
245  EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family
246  EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family
247  EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family
248  EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor
249  EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor
250  EM_R32C = 162, // Renesas R32C series microprocessors
251  EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family
252  EM_HEXAGON = 164, // Qualcomm Hexagon processor
253  EM_8051 = 165, // Intel 8051 and variants
254  EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable
255  // and extensible RISC processors
256  EM_NDS32 = 167, // Andes Technology compact code size embedded RISC
257  // processor family
258  EM_ECOG1 = 168, // Cyan Technology eCOG1X family
259  EM_ECOG1X = 168, // Cyan Technology eCOG1X family
260  EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers
261  EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor
262  EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor
263  EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture
264  EM_RX = 173, // Renesas RX family
265  EM_METAG = 174, // Imagination Technologies META processor
266  // architecture
267  EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture
268  EM_ECOG16 = 176, // Cyan Technology eCOG16 family
269  EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit
270  // microprocessor
271  EM_ETPU = 178, // Freescale Extended Time Processing Unit
272  EM_SLE9X = 179, // Infineon Technologies SLE9X core
273  EM_L10M = 180, // Intel L10M
274  EM_K10M = 181, // Intel K10M
275  EM_AARCH64 = 183, // ARM AArch64
276  EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family
277  EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller
278  EM_TILE64 = 187, // Tilera TILE64 multicore architecture family
279  EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family
280  EM_CUDA = 190, // NVIDIA CUDA architecture
281  EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family
282  EM_CLOUDSHIELD = 192, // CloudShield architecture family
283  EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family
284  EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family
285  EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2
286  EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core
287  EM_RL78 = 197, // Renesas RL78 family
288  EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor
289  EM_78KOR = 199, // Renesas 78KOR family
290  EM_56800EX = 200, // Freescale 56800EX Digital Signal Controller (DSC)
291  EM_BA1 = 201, // Beyond BA1 CPU architecture
292  EM_BA2 = 202, // Beyond BA2 CPU architecture
293  EM_XCORE = 203, // XMOS xCORE processor family
294  EM_MCHP_PIC = 204, // Microchip 8-bit PIC(r) family
295  EM_INTEL205 = 205, // Reserved by Intel
296  EM_INTEL206 = 206, // Reserved by Intel
297  EM_INTEL207 = 207, // Reserved by Intel
298  EM_INTEL208 = 208, // Reserved by Intel
299  EM_INTEL209 = 209, // Reserved by Intel
300  EM_KM32 = 210, // KM211 KM32 32-bit processor
301  EM_KMX32 = 211, // KM211 KMX32 32-bit processor
302  EM_KMX16 = 212, // KM211 KMX16 16-bit processor
303  EM_KMX8 = 213, // KM211 KMX8 8-bit processor
304  EM_KVARC = 214, // KM211 KVARC processor
305  EM_CDP = 215, // Paneve CDP architecture family
306  EM_COGE = 216, // Cognitive Smart Memory Processor
307  EM_COOL = 217, // iCelero CoolEngine
308  EM_NORC = 218, // Nanoradio Optimized RISC
309  EM_CSR_KALIMBA = 219, // CSR Kalimba architecture family
310  EM_AMDGPU = 224, // AMD GPU architecture
311  EM_RISCV = 243, // RISC-V
312  EM_LANAI = 244, // Lanai 32-bit processor
313  EM_BPF = 247, // Linux kernel bpf virtual machine
314 };
315 
316 // Object file classes.
317 enum {
319  ELFCLASS32 = 1, // 32-bit object file
320  ELFCLASS64 = 2 // 64-bit object file
321 };
322 
323 // Object file byte orderings.
324 enum {
325  ELFDATANONE = 0, // Invalid data encoding.
326  ELFDATA2LSB = 1, // Little-endian object file
327  ELFDATA2MSB = 2 // Big-endian object file
328 };
329 
330 // OS ABI identification.
331 enum {
332  ELFOSABI_NONE = 0, // UNIX System V ABI
333  ELFOSABI_HPUX = 1, // HP-UX operating system
334  ELFOSABI_NETBSD = 2, // NetBSD
335  ELFOSABI_GNU = 3, // GNU/Linux
336  ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU.
337  ELFOSABI_HURD = 4, // GNU/Hurd
338  ELFOSABI_SOLARIS = 6, // Solaris
339  ELFOSABI_AIX = 7, // AIX
340  ELFOSABI_IRIX = 8, // IRIX
341  ELFOSABI_FREEBSD = 9, // FreeBSD
342  ELFOSABI_TRU64 = 10, // TRU64 UNIX
343  ELFOSABI_MODESTO = 11, // Novell Modesto
344  ELFOSABI_OPENBSD = 12, // OpenBSD
345  ELFOSABI_OPENVMS = 13, // OpenVMS
346  ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel
347  ELFOSABI_AROS = 15, // AROS
348  ELFOSABI_FENIXOS = 16, // FenixOS
349  ELFOSABI_CLOUDABI = 17, // Nuxi CloudABI
350  ELFOSABI_FIRST_ARCH = 64, // First architecture-specific OS ABI
351  ELFOSABI_AMDGPU_HSA = 64, // AMD HSA runtime
352  ELFOSABI_AMDGPU_PAL = 65, // AMD PAL runtime
353  ELFOSABI_AMDGPU_MESA3D = 66, // AMD GCN GPUs (GFX6+) for MESA runtime
354  ELFOSABI_ARM = 97, // ARM
355  ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000
356  ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000
357  ELFOSABI_STANDALONE = 255, // Standalone (embedded) application
358  ELFOSABI_LAST_ARCH = 255 // Last Architecture-specific OS ABI
359 };
360 
361 #define ELF_RELOC(name, value) name = value,
362 
363 // X86_64 relocations.
364 enum {
365 #include "ELFRelocs/x86_64.def"
366 };
367 
368 // i386 relocations.
369 enum {
370 #include "ELFRelocs/i386.def"
371 };
372 
373 // ELF Relocation types for PPC32
374 enum {
375 #include "ELFRelocs/PowerPC.def"
376 };
377 
378 // Specific e_flags for PPC64
379 enum {
380  // e_flags bits specifying ABI:
381  // 1 for original ABI using function descriptors,
382  // 2 for revised ABI without function descriptors,
383  // 0 for unspecified or not using any features affected by the differences.
385 };
386 
387 // Special values for the st_other field in the symbol table entry for PPC64.
388 enum {
391 };
392 static inline int64_t decodePPC64LocalEntryOffset(unsigned Other) {
393  unsigned Val = (Other & STO_PPC64_LOCAL_MASK) >> STO_PPC64_LOCAL_BIT;
394  return ((1 << Val) >> 2) << 2;
395 }
396 static inline unsigned encodePPC64LocalEntryOffset(int64_t Offset) {
397  unsigned Val =
398  (Offset >= 4 * 4 ? (Offset >= 8 * 4 ? (Offset >= 16 * 4 ? 6 : 5) : 4)
399  : (Offset >= 2 * 4 ? 3 : (Offset >= 1 * 4 ? 2 : 0)));
400  return Val << STO_PPC64_LOCAL_BIT;
401 }
402 
403 // ELF Relocation types for PPC64
404 enum {
405 #include "ELFRelocs/PowerPC64.def"
406 };
407 
408 // ELF Relocation types for AArch64
409 enum {
410 #include "ELFRelocs/AArch64.def"
411 };
412 
413 // ARM Specific e_flags
414 enum : unsigned {
415  EF_ARM_SOFT_FLOAT = 0x00000200U, // Legacy pre EABI_VER5
416  EF_ARM_ABI_FLOAT_SOFT = 0x00000200U, // EABI_VER5
417  EF_ARM_VFP_FLOAT = 0x00000400U, // Legacy pre EABI_VER5
418  EF_ARM_ABI_FLOAT_HARD = 0x00000400U, // EABI_VER5
419  EF_ARM_EABI_UNKNOWN = 0x00000000U,
420  EF_ARM_EABI_VER1 = 0x01000000U,
421  EF_ARM_EABI_VER2 = 0x02000000U,
422  EF_ARM_EABI_VER3 = 0x03000000U,
423  EF_ARM_EABI_VER4 = 0x04000000U,
424  EF_ARM_EABI_VER5 = 0x05000000U,
425  EF_ARM_EABIMASK = 0xFF000000U
426 };
427 
428 // ELF Relocation types for ARM
429 enum {
430 #include "ELFRelocs/ARM.def"
431 };
432 
433 // ARC Specific e_flags
434 enum : unsigned {
435  EF_ARC_MACH_MSK = 0x000000ff,
436  EF_ARC_OSABI_MSK = 0x00000f00,
437  E_ARC_MACH_ARC600 = 0x00000002,
438  E_ARC_MACH_ARC601 = 0x00000004,
439  E_ARC_MACH_ARC700 = 0x00000003,
440  EF_ARC_CPU_ARCV2EM = 0x00000005,
441  EF_ARC_CPU_ARCV2HS = 0x00000006,
442  E_ARC_OSABI_ORIG = 0x00000000,
443  E_ARC_OSABI_V2 = 0x00000200,
444  E_ARC_OSABI_V3 = 0x00000300,
445  E_ARC_OSABI_V4 = 0x00000400,
446  EF_ARC_PIC = 0x00000100
447 };
448 
449 // ELF Relocation types for ARC
450 enum {
451 #include "ELFRelocs/ARC.def"
452 };
453 
454 // AVR specific e_flags
455 enum : unsigned {
474 };
475 
476 // ELF Relocation types for AVR
477 enum {
478 #include "ELFRelocs/AVR.def"
479 };
480 
481 // Mips Specific e_flags
482 enum : unsigned {
483  EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
484  EF_MIPS_PIC = 0x00000002, // Position independent code
485  EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code
486  EF_MIPS_ABI2 = 0x00000020, // File uses N32 ABI
487  EF_MIPS_32BITMODE = 0x00000100, // Code compiled for a 64-bit machine
488  // in 32-bit mode
489  EF_MIPS_FP64 = 0x00000200, // Code compiled for a 32-bit machine
490  // but uses 64-bit FP registers
491  EF_MIPS_NAN2008 = 0x00000400, // Uses IEE 754-2008 NaN encoding
492 
493  // ABI flags
494  EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI
495  EF_MIPS_ABI_O64 = 0x00002000, // O32 ABI extended for 64-bit architecture.
496  EF_MIPS_ABI_EABI32 = 0x00003000, // EABI in 32 bit mode.
497  EF_MIPS_ABI_EABI64 = 0x00004000, // EABI in 64 bit mode.
498  EF_MIPS_ABI = 0x0000f000, // Mask for selecting EF_MIPS_ABI_ variant.
499 
500  // MIPS machine variant
501  EF_MIPS_MACH_NONE = 0x00000000, // A standard MIPS implementation.
502  EF_MIPS_MACH_3900 = 0x00810000, // Toshiba R3900
503  EF_MIPS_MACH_4010 = 0x00820000, // LSI R4010
504  EF_MIPS_MACH_4100 = 0x00830000, // NEC VR4100
505  EF_MIPS_MACH_4650 = 0x00850000, // MIPS R4650
506  EF_MIPS_MACH_4120 = 0x00870000, // NEC VR4120
507  EF_MIPS_MACH_4111 = 0x00880000, // NEC VR4111/VR4181
508  EF_MIPS_MACH_SB1 = 0x008a0000, // Broadcom SB-1
509  EF_MIPS_MACH_OCTEON = 0x008b0000, // Cavium Networks Octeon
510  EF_MIPS_MACH_XLR = 0x008c0000, // RMI Xlr
511  EF_MIPS_MACH_OCTEON2 = 0x008d0000, // Cavium Networks Octeon2
512  EF_MIPS_MACH_OCTEON3 = 0x008e0000, // Cavium Networks Octeon3
513  EF_MIPS_MACH_5400 = 0x00910000, // NEC VR5400
514  EF_MIPS_MACH_5900 = 0x00920000, // MIPS R5900
515  EF_MIPS_MACH_5500 = 0x00980000, // NEC VR5500
516  EF_MIPS_MACH_9000 = 0x00990000, // Unknown
517  EF_MIPS_MACH_LS2E = 0x00a00000, // ST Microelectronics Loongson 2E
518  EF_MIPS_MACH_LS2F = 0x00a10000, // ST Microelectronics Loongson 2F
519  EF_MIPS_MACH_LS3A = 0x00a20000, // Loongson 3A
520  EF_MIPS_MACH = 0x00ff0000, // EF_MIPS_MACH_xxx selection mask
521 
522  // ARCH_ASE
523  EF_MIPS_MICROMIPS = 0x02000000, // microMIPS
524  EF_MIPS_ARCH_ASE_M16 = 0x04000000, // Has Mips-16 ISA extensions
525  EF_MIPS_ARCH_ASE_MDMX = 0x08000000, // Has MDMX multimedia extensions
526  EF_MIPS_ARCH_ASE = 0x0f000000, // Mask for EF_MIPS_ARCH_ASE_xxx flags
527 
528  // ARCH
529  EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set
530  EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set
531  EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set
532  EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set
533  EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set
534  EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h
535  EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h
536  EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2, mips32r3, mips32r5
537  EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2, mips64r3, mips64r5
538  EF_MIPS_ARCH_32R6 = 0x90000000, // mips32r6
539  EF_MIPS_ARCH_64R6 = 0xa0000000, // mips64r6
540  EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant
541 };
542 
543 // ELF Relocation types for Mips
544 enum {
545 #include "ELFRelocs/Mips.def"
546 };
547 
548 // Special values for the st_other field in the symbol table entry for MIPS.
549 enum {
550  STO_MIPS_OPTIONAL = 0x04, // Symbol whose definition is optional
551  STO_MIPS_PLT = 0x08, // PLT entry related dynamic table record
552  STO_MIPS_PIC = 0x20, // PIC func in an object mixes PIC/non-PIC
553  STO_MIPS_MICROMIPS = 0x80, // MIPS Specific ISA for MicroMips
554  STO_MIPS_MIPS16 = 0xf0 // MIPS Specific ISA for Mips16
555 };
556 
557 // .MIPS.options section descriptor kinds
558 enum {
559  ODK_NULL = 0, // Undefined
560  ODK_REGINFO = 1, // Register usage information
561  ODK_EXCEPTIONS = 2, // Exception processing options
562  ODK_PAD = 3, // Section padding options
563  ODK_HWPATCH = 4, // Hardware patches applied
564  ODK_FILL = 5, // Linker fill value
565  ODK_TAGS = 6, // Space for tool identification
566  ODK_HWAND = 7, // Hardware AND patches applied
567  ODK_HWOR = 8, // Hardware OR patches applied
568  ODK_GP_GROUP = 9, // GP group to use for text/data sections
569  ODK_IDENT = 10, // ID information
570  ODK_PAGESIZE = 11 // Page size information
571 };
572 
573 // Hexagon-specific e_flags
574 enum {
575  // Object processor version flags, bits[11:0]
576  EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2
577  EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3
578  EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4
579  EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5
580  EF_HEXAGON_MACH_V55 = 0x00000005, // Hexagon V55
581  EF_HEXAGON_MACH_V60 = 0x00000060, // Hexagon V60
582  EF_HEXAGON_MACH_V62 = 0x00000062, // Hexagon V62
583  EF_HEXAGON_MACH_V65 = 0x00000065, // Hexagon V65
584  EF_HEXAGON_MACH_V66 = 0x00000066, // Hexagon V66
585 
586  // Highest ISA version flags
587  EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[11:0]
588  // of e_flags
589  EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA
590  EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA
591  EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA
592  EF_HEXAGON_ISA_V5 = 0x00000040, // Hexagon V5 ISA
593  EF_HEXAGON_ISA_V55 = 0x00000050, // Hexagon V55 ISA
594  EF_HEXAGON_ISA_V60 = 0x00000060, // Hexagon V60 ISA
595  EF_HEXAGON_ISA_V62 = 0x00000062, // Hexagon V62 ISA
596  EF_HEXAGON_ISA_V65 = 0x00000065, // Hexagon V65 ISA
597  EF_HEXAGON_ISA_V66 = 0x00000066, // Hexagon V66 ISA
598 };
599 
600 // Hexagon-specific section indexes for common small data
601 enum {
602  SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes
603  SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access
604  SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access
605  SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access
606  SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access
607 };
608 
609 // ELF Relocation types for Hexagon
610 enum {
611 #include "ELFRelocs/Hexagon.def"
612 };
613 
614 // ELF Relocation type for Lanai.
615 enum {
616 #include "ELFRelocs/Lanai.def"
617 };
618 
619 // RISCV Specific e_flags
620 enum : unsigned {
621  EF_RISCV_RVC = 0x0001,
627  EF_RISCV_RVE = 0x0008
628 };
629 
630 // ELF Relocation types for RISC-V
631 enum {
632 #include "ELFRelocs/RISCV.def"
633 };
634 
635 // ELF Relocation types for S390/zSeries
636 enum {
637 #include "ELFRelocs/SystemZ.def"
638 };
639 
640 // ELF Relocation type for Sparc.
641 enum {
642 #include "ELFRelocs/Sparc.def"
643 };
644 
645 // AMDGPU specific e_flags.
646 enum : unsigned {
647  // Processor selection mask for EF_AMDGPU_MACH_* values.
648  EF_AMDGPU_MACH = 0x0ff,
649 
650  // Not specified processor.
652 
653  // R600-based processors.
654 
655  // Radeon HD 2000/3000 Series (R600).
660  // Radeon HD 4000 Series (R700).
664  // Radeon HD 5000 Series (Evergreen).
670  // Radeon HD 6000 Series (Northern Islands).
675 
676  // Reserved for R600-based processors.
679 
680  // First/last R600-based processors.
683 
684  // AMDGCN-based processors.
685 
686  // AMDGCN GFX6.
689  // AMDGCN GFX7.
695  // AMDGCN GFX8.
700  // AMDGCN GFX9.
707  // AMDGCN GFX10.
711 
712  // Reserved for AMDGCN-based processors.
715 
716  // First/last AMDGCN-based processors.
719 
720  // Indicates if the "xnack" target feature is enabled for all code contained
721  // in the object.
723  // Indicates if the "sram-ecc" target feature is enabled for all code
724  // contained in the object.
726 };
727 
728 // ELF Relocation types for AMDGPU
729 enum {
730 #include "ELFRelocs/AMDGPU.def"
731 };
732 
733 // ELF Relocation types for BPF
734 enum {
735 #include "ELFRelocs/BPF.def"
736 };
737 
738 // MSP430 specific e_flags
739 enum : unsigned {
763 };
764 
765 // ELF Relocation types for MSP430
766 enum {
767 #include "ELFRelocs/MSP430.def"
768 };
769 
770 #undef ELF_RELOC
771 
772 // Section header.
773 struct Elf32_Shdr {
774  Elf32_Word sh_name; // Section name (index into string table)
775  Elf32_Word sh_type; // Section type (SHT_*)
776  Elf32_Word sh_flags; // Section flags (SHF_*)
777  Elf32_Addr sh_addr; // Address where section is to be loaded
778  Elf32_Off sh_offset; // File offset of section data, in bytes
779  Elf32_Word sh_size; // Size of section, in bytes
780  Elf32_Word sh_link; // Section type-specific header table index link
781  Elf32_Word sh_info; // Section type-specific extra information
782  Elf32_Word sh_addralign; // Section address alignment
783  Elf32_Word sh_entsize; // Size of records contained within the section
784 };
785 
786 // Section header for ELF64 - same fields as ELF32, different types.
787 struct Elf64_Shdr {
798 };
799 
800 // Special section indices.
801 enum {
802  SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless
803  SHN_LORESERVE = 0xff00, // Lowest reserved index
804  SHN_LOPROC = 0xff00, // Lowest processor-specific index
805  SHN_HIPROC = 0xff1f, // Highest processor-specific index
806  SHN_LOOS = 0xff20, // Lowest operating system-specific index
807  SHN_HIOS = 0xff3f, // Highest operating system-specific index
808  SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation
809  SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables
810  SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE
811  SHN_HIRESERVE = 0xffff // Highest reserved index
812 };
813 
814 // Section types.
815 enum : unsigned {
816  SHT_NULL = 0, // No associated section (inactive entry).
817  SHT_PROGBITS = 1, // Program-defined contents.
818  SHT_SYMTAB = 2, // Symbol table.
819  SHT_STRTAB = 3, // String table.
820  SHT_RELA = 4, // Relocation entries; explicit addends.
821  SHT_HASH = 5, // Symbol hash table.
822  SHT_DYNAMIC = 6, // Information for dynamic linking.
823  SHT_NOTE = 7, // Information about the file.
824  SHT_NOBITS = 8, // Data occupies no space in the file.
825  SHT_REL = 9, // Relocation entries; no explicit addends.
826  SHT_SHLIB = 10, // Reserved.
827  SHT_DYNSYM = 11, // Symbol table.
828  SHT_INIT_ARRAY = 14, // Pointers to initialization functions.
829  SHT_FINI_ARRAY = 15, // Pointers to termination functions.
830  SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
831  SHT_GROUP = 17, // Section group.
832  SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
833  // Experimental support for SHT_RELR sections. For details, see proposal
834  // at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg
835  SHT_RELR = 19, // Relocation entries; only offsets.
836  SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
837  // Android packed relocation section types.
838  // https://android.googlesource.com/platform/bionic/+/6f12bfece5dcc01325e0abba56a46b1bcf991c69/tools/relocation_packer/src/elf_file.cc#37
839  SHT_ANDROID_REL = 0x60000001,
840  SHT_ANDROID_RELA = 0x60000002,
841  SHT_LLVM_ODRTAB = 0x6fff4c00, // LLVM ODR table.
842  SHT_LLVM_LINKER_OPTIONS = 0x6fff4c01, // LLVM Linker Options.
843  SHT_LLVM_CALL_GRAPH_PROFILE = 0x6fff4c02, // LLVM Call Graph Profile.
844  SHT_LLVM_ADDRSIG = 0x6fff4c03, // List of address-significant symbols
845  // for safe ICF.
846  SHT_LLVM_DEPENDENT_LIBRARIES = 0x6fff4c04, // LLVM Dependent Library Specifiers.
847  SHT_LLVM_SYMPART = 0x6fff4c05, // Symbol partition specification.
848  SHT_LLVM_PART_EHDR = 0x6fff4c06, // ELF header for loadable partition.
849  SHT_LLVM_PART_PHDR = 0x6fff4c07, // Phdrs for loadable partition.
850  // Android's experimental support for SHT_RELR sections.
851  // https://android.googlesource.com/platform/bionic/+/b7feec74547f84559a1467aca02708ff61346d2a/libc/include/elf.h#512
852  SHT_ANDROID_RELR = 0x6fffff00, // Relocation entries; only offsets.
853  SHT_GNU_ATTRIBUTES = 0x6ffffff5, // Object attributes.
854  SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table.
855  SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions.
856  SHT_GNU_verneed = 0x6ffffffe, // GNU version references.
857  SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table.
858  SHT_HIOS = 0x6fffffff, // Highest operating system-specific type.
859  SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type.
860  // Fixme: All this is duplicated in MCSectionELF. Why??
861  // Exception Index table
862  SHT_ARM_EXIDX = 0x70000001U,
863  // BPABI DLL dynamic linking pre-emption map
864  SHT_ARM_PREEMPTMAP = 0x70000002U,
865  // Object file compatibility attributes
866  SHT_ARM_ATTRIBUTES = 0x70000003U,
867  SHT_ARM_DEBUGOVERLAY = 0x70000004U,
868  SHT_ARM_OVERLAYSECTION = 0x70000005U,
869  SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in
870  // this section based on their sizes
871  SHT_X86_64_UNWIND = 0x70000001, // Unwind information
872 
873  SHT_MIPS_REGINFO = 0x70000006, // Register usage information
874  SHT_MIPS_OPTIONS = 0x7000000d, // General options
875  SHT_MIPS_DWARF = 0x7000001e, // DWARF debugging section.
876  SHT_MIPS_ABIFLAGS = 0x7000002a, // ABI information.
877 
878  SHT_MSP430_ATTRIBUTES = 0x70000003U,
879 
880  SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type.
881  SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
882  SHT_HIUSER = 0xffffffff // Highest type reserved for applications.
883 };
884 
885 // Section flags.
886 enum : unsigned {
887  // Section data should be writable during execution.
888  SHF_WRITE = 0x1,
889 
890  // Section occupies memory during program execution.
891  SHF_ALLOC = 0x2,
892 
893  // Section contains executable machine instructions.
895 
896  // The data in this section may be merged.
897  SHF_MERGE = 0x10,
898 
899  // The data in this section is null-terminated strings.
900  SHF_STRINGS = 0x20,
901 
902  // A field in this section holds a section header table index.
903  SHF_INFO_LINK = 0x40U,
904 
905  // Adds special ordering requirements for link editors.
906  SHF_LINK_ORDER = 0x80U,
907 
908  // This section requires special OS-specific processing to avoid incorrect
909  // behavior.
911 
912  // This section is a member of a section group.
913  SHF_GROUP = 0x200U,
914 
915  // This section holds Thread-Local Storage.
916  SHF_TLS = 0x400U,
917 
918  // Identifies a section containing compressed data.
919  SHF_COMPRESSED = 0x800U,
920 
921  // This section is excluded from the final executable or shared library.
922  SHF_EXCLUDE = 0x80000000U,
923 
924  // Start of target-specific flags.
925 
926  SHF_MASKOS = 0x0ff00000,
927 
928  // Bits indicating processor-specific flags.
929  SHF_MASKPROC = 0xf0000000,
930 
931  /// All sections with the "d" flag are grouped together by the linker to form
932  /// the data section and the dp register is set to the start of the section by
933  /// the boot code.
934  XCORE_SHF_DP_SECTION = 0x10000000,
935 
936  /// All sections with the "c" flag are grouped together by the linker to form
937  /// the constant pool and the cp register is set to the start of the constant
938  /// pool by the boot code.
939  XCORE_SHF_CP_SECTION = 0x20000000,
940 
941  // If an object file section does not have this flag set, then it may not hold
942  // more than 2GB and can be freely referred to in objects using smaller code
943  // models. Otherwise, only objects using larger code models can refer to them.
944  // For example, a medium code model object can refer to data in a section that
945  // sets this flag besides being able to refer to data in a section that does
946  // not set it; likewise, a small code model object can refer only to code in a
947  // section that does not set this flag.
948  SHF_X86_64_LARGE = 0x10000000,
949 
950  // All sections with the GPREL flag are grouped into a global data area
951  // for faster accesses
952  SHF_HEX_GPREL = 0x10000000,
953 
954  // Section contains text/data which may be replicated in other sections.
955  // Linker must retain only one copy.
956  SHF_MIPS_NODUPES = 0x01000000,
957 
958  // Linker must generate implicit hidden weak names.
959  SHF_MIPS_NAMES = 0x02000000,
960 
961  // Section data local to process.
962  SHF_MIPS_LOCAL = 0x04000000,
963 
964  // Do not strip this section.
965  SHF_MIPS_NOSTRIP = 0x08000000,
966 
967  // Section must be part of global data area.
968  SHF_MIPS_GPREL = 0x10000000,
969 
970  // This section should be merged.
971  SHF_MIPS_MERGE = 0x20000000,
972 
973  // Address size to be inferred from section entry size.
974  SHF_MIPS_ADDR = 0x40000000,
975 
976  // Section data is string data by default.
977  SHF_MIPS_STRING = 0x80000000,
978 
979  // Make code section unreadable when in execute-only mode
980  SHF_ARM_PURECODE = 0x20000000
981 };
982 
983 // Section Group Flags
984 enum : unsigned {
985  GRP_COMDAT = 0x1,
986  GRP_MASKOS = 0x0ff00000,
987  GRP_MASKPROC = 0xf0000000
988 };
989 
990 // Symbol table entries for ELF32.
991 struct Elf32_Sym {
992  Elf32_Word st_name; // Symbol name (index into string table)
993  Elf32_Addr st_value; // Value or address associated with the symbol
994  Elf32_Word st_size; // Size of the symbol
995  unsigned char st_info; // Symbol's type and binding attributes
996  unsigned char st_other; // Must be zero; reserved
997  Elf32_Half st_shndx; // Which section (header table index) it's defined in
998 
999  // These accessors and mutators correspond to the ELF32_ST_BIND,
1000  // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
1001  unsigned char getBinding() const { return st_info >> 4; }
1002  unsigned char getType() const { return st_info & 0x0f; }
1003  void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
1004  void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
1005  void setBindingAndType(unsigned char b, unsigned char t) {
1006  st_info = (b << 4) + (t & 0x0f);
1007  }
1008 };
1009 
1010 // Symbol table entries for ELF64.
1011 struct Elf64_Sym {
1012  Elf64_Word st_name; // Symbol name (index into string table)
1013  unsigned char st_info; // Symbol's type and binding attributes
1014  unsigned char st_other; // Must be zero; reserved
1015  Elf64_Half st_shndx; // Which section (header tbl index) it's defined in
1016  Elf64_Addr st_value; // Value or address associated with the symbol
1017  Elf64_Xword st_size; // Size of the symbol
1018 
1019  // These accessors and mutators are identical to those defined for ELF32
1020  // symbol table entries.
1021  unsigned char getBinding() const { return st_info >> 4; }
1022  unsigned char getType() const { return st_info & 0x0f; }
1023  void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
1024  void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
1025  void setBindingAndType(unsigned char b, unsigned char t) {
1026  st_info = (b << 4) + (t & 0x0f);
1027  }
1028 };
1029 
1030 // The size (in bytes) of symbol table entries.
1031 enum {
1032  SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
1033  SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size.
1034 };
1035 
1036 // Symbol bindings.
1037 enum {
1038  STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def
1039  STB_GLOBAL = 1, // Global symbol, visible to all object files being combined
1040  STB_WEAK = 2, // Weak symbol, like global but lower-precedence
1042  STB_LOOS = 10, // Lowest operating system-specific binding type
1043  STB_HIOS = 12, // Highest operating system-specific binding type
1044  STB_LOPROC = 13, // Lowest processor-specific binding type
1045  STB_HIPROC = 15 // Highest processor-specific binding type
1046 };
1047 
1048 // Symbol types.
1049 enum {
1050  STT_NOTYPE = 0, // Symbol's type is not specified
1051  STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.)
1052  STT_FUNC = 2, // Symbol is executable code (function, etc.)
1053  STT_SECTION = 3, // Symbol refers to a section
1054  STT_FILE = 4, // Local, absolute symbol that refers to a file
1055  STT_COMMON = 5, // An uninitialized common block
1056  STT_TLS = 6, // Thread local data object
1057  STT_GNU_IFUNC = 10, // GNU indirect function
1058  STT_LOOS = 10, // Lowest operating system-specific symbol type
1059  STT_HIOS = 12, // Highest operating system-specific symbol type
1060  STT_LOPROC = 13, // Lowest processor-specific symbol type
1061  STT_HIPROC = 15, // Highest processor-specific symbol type
1062 
1063  // AMDGPU symbol types
1065 };
1066 
1067 enum {
1068  STV_DEFAULT = 0, // Visibility is specified by binding type
1069  STV_INTERNAL = 1, // Defined by processor supplements
1070  STV_HIDDEN = 2, // Not visible to other components
1071  STV_PROTECTED = 3 // Visible in other components but not preemptable
1072 };
1073 
1074 // Symbol number.
1075 enum { STN_UNDEF = 0 };
1076 
1077 // Special relocation symbols used in the MIPS64 ELF relocation entries
1078 enum {
1079  RSS_UNDEF = 0, // None
1080  RSS_GP = 1, // Value of gp
1081  RSS_GP0 = 2, // Value of gp used to create object being relocated
1082  RSS_LOC = 3 // Address of location being relocated
1083 };
1084 
1085 // Relocation entry, without explicit addend.
1086 struct Elf32_Rel {
1087  Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
1088  Elf32_Word r_info; // Symbol table index and type of relocation to apply
1089 
1090  // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
1091  // and ELF32_R_INFO macros defined in the ELF specification:
1092  Elf32_Word getSymbol() const { return (r_info >> 8); }
1093  unsigned char getType() const { return (unsigned char)(r_info & 0x0ff); }
1094  void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
1095  void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
1096  void setSymbolAndType(Elf32_Word s, unsigned char t) {
1097  r_info = (s << 8) + t;
1098  }
1099 };
1100 
1101 // Relocation entry with explicit addend.
1102 struct Elf32_Rela {
1103  Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
1104  Elf32_Word r_info; // Symbol table index and type of relocation to apply
1105  Elf32_Sword r_addend; // Compute value for relocatable field by adding this
1106 
1107  // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
1108  // and ELF32_R_INFO macros defined in the ELF specification:
1109  Elf32_Word getSymbol() const { return (r_info >> 8); }
1110  unsigned char getType() const { return (unsigned char)(r_info & 0x0ff); }
1111  void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
1112  void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
1113  void setSymbolAndType(Elf32_Word s, unsigned char t) {
1114  r_info = (s << 8) + t;
1115  }
1116 };
1117 
1118 // Relocation entry without explicit addend or info (relative relocations only).
1119 typedef Elf32_Word Elf32_Relr; // offset/bitmap for relative relocations
1120 
1121 // Relocation entry, without explicit addend.
1122 struct Elf64_Rel {
1123  Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
1124  Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
1125 
1126  // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
1127  // and ELF64_R_INFO macros defined in the ELF specification:
1128  Elf64_Word getSymbol() const { return (r_info >> 32); }
1129  Elf64_Word getType() const { return (Elf64_Word)(r_info & 0xffffffffL); }
1130  void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
1131  void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
1133  r_info = ((Elf64_Xword)s << 32) + (t & 0xffffffffL);
1134  }
1135 };
1136 
1137 // Relocation entry with explicit addend.
1138 struct Elf64_Rela {
1139  Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
1140  Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
1141  Elf64_Sxword r_addend; // Compute value for relocatable field by adding this.
1142 
1143  // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
1144  // and ELF64_R_INFO macros defined in the ELF specification:
1145  Elf64_Word getSymbol() const { return (r_info >> 32); }
1146  Elf64_Word getType() const { return (Elf64_Word)(r_info & 0xffffffffL); }
1147  void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
1148  void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
1150  r_info = ((Elf64_Xword)s << 32) + (t & 0xffffffffL);
1151  }
1152 };
1153 
1154 // Relocation entry without explicit addend or info (relative relocations only).
1155 typedef Elf64_Xword Elf64_Relr; // offset/bitmap for relative relocations
1156 
1157 // Program header for ELF32.
1158 struct Elf32_Phdr {
1159  Elf32_Word p_type; // Type of segment
1160  Elf32_Off p_offset; // File offset where segment is located, in bytes
1161  Elf32_Addr p_vaddr; // Virtual address of beginning of segment
1162  Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
1163  Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
1164  Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
1165  Elf32_Word p_flags; // Segment flags
1166  Elf32_Word p_align; // Segment alignment constraint
1167 };
1168 
1169 // Program header for ELF64.
1170 struct Elf64_Phdr {
1171  Elf64_Word p_type; // Type of segment
1172  Elf64_Word p_flags; // Segment flags
1173  Elf64_Off p_offset; // File offset where segment is located, in bytes
1174  Elf64_Addr p_vaddr; // Virtual address of beginning of segment
1175  Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific)
1176  Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
1177  Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero)
1178  Elf64_Xword p_align; // Segment alignment constraint
1179 };
1180 
1181 // Segment types.
1182 enum {
1183  PT_NULL = 0, // Unused segment.
1184  PT_LOAD = 1, // Loadable segment.
1185  PT_DYNAMIC = 2, // Dynamic linking information.
1186  PT_INTERP = 3, // Interpreter pathname.
1187  PT_NOTE = 4, // Auxiliary information.
1188  PT_SHLIB = 5, // Reserved.
1189  PT_PHDR = 6, // The program header table itself.
1190  PT_TLS = 7, // The thread-local storage template.
1191  PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type.
1192  PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type.
1193  PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type.
1194  PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type.
1195 
1196  // x86-64 program header types.
1197  // These all contain stack unwind tables.
1198  PT_GNU_EH_FRAME = 0x6474e550,
1199  PT_SUNW_EH_FRAME = 0x6474e550,
1200  PT_SUNW_UNWIND = 0x6464e550,
1201 
1202  PT_GNU_STACK = 0x6474e551, // Indicates stack executability.
1203  PT_GNU_RELRO = 0x6474e552, // Read-only after relocation.
1204 
1205  PT_OPENBSD_RANDOMIZE = 0x65a3dbe6, // Fill with random data.
1206  PT_OPENBSD_WXNEEDED = 0x65a3dbe7, // Program does W^X violations.
1207  PT_OPENBSD_BOOTDATA = 0x65a41be6, // Section for boot arguments.
1208 
1209  // ARM program header types.
1210  PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info
1211  // These all contain stack unwind tables.
1212  PT_ARM_EXIDX = 0x70000001,
1213  PT_ARM_UNWIND = 0x70000001,
1214 
1215  // MIPS program header types.
1216  PT_MIPS_REGINFO = 0x70000000, // Register usage information.
1217  PT_MIPS_RTPROC = 0x70000001, // Runtime procedure table.
1218  PT_MIPS_OPTIONS = 0x70000002, // Options segment.
1219  PT_MIPS_ABIFLAGS = 0x70000003, // Abiflags segment.
1220 };
1221 
1222 // Segment flag bits.
1223 enum : unsigned {
1224  PF_X = 1, // Execute
1225  PF_W = 2, // Write
1226  PF_R = 4, // Read
1227  PF_MASKOS = 0x0ff00000, // Bits for operating system-specific semantics.
1228  PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics.
1229 };
1230 
1231 // Dynamic table entry for ELF32.
1232 struct Elf32_Dyn {
1233  Elf32_Sword d_tag; // Type of dynamic table entry.
1234  union {
1235  Elf32_Word d_val; // Integer value of entry.
1236  Elf32_Addr d_ptr; // Pointer value of entry.
1237  } d_un;
1238 };
1239 
1240 // Dynamic table entry for ELF64.
1241 struct Elf64_Dyn {
1242  Elf64_Sxword d_tag; // Type of dynamic table entry.
1243  union {
1244  Elf64_Xword d_val; // Integer value of entry.
1245  Elf64_Addr d_ptr; // Pointer value of entry.
1246  } d_un;
1247 };
1248 
1249 // Dynamic table entry tags.
1250 enum {
1251 #define DYNAMIC_TAG(name, value) DT_##name = value,
1252 #include "DynamicTags.def"
1253 #undef DYNAMIC_TAG
1254 };
1255 
1256 // DT_FLAGS values.
1257 enum {
1258  DF_ORIGIN = 0x01, // The object may reference $ORIGIN.
1259  DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe.
1260  DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment.
1261  DF_BIND_NOW = 0x08, // Process all relocations on load.
1262  DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically.
1263 };
1264 
1265 // State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry.
1266 enum {
1267  DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object.
1268  DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object.
1269  DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object.
1270  DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object.
1271  DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime.
1272  DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object.
1273  DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object.
1274  DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled.
1275  DF_1_DIRECT = 0x00000100, // Direct binding enabled.
1276  DF_1_TRANS = 0x00000200,
1277  DF_1_INTERPOSE = 0x00000400, // Object is used to interpose.
1278  DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path.
1279  DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed.
1280  DF_1_CONFALT = 0x00002000, // Configuration alternative created.
1281  DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search.
1282  DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time.
1283  DF_1_DISPRELPND = 0x00010000, // Disp reloc applied at run-time.
1284  DF_1_NODIRECT = 0x00020000, // Object has no-direct binding.
1285  DF_1_IGNMULDEF = 0x00040000,
1286  DF_1_NOKSYMS = 0x00080000,
1287  DF_1_NOHDR = 0x00100000,
1288  DF_1_EDITED = 0x00200000, // Object is modified after built.
1289  DF_1_NORELOC = 0x00400000,
1290  DF_1_SYMINTPOSE = 0x00800000, // Object has individual interposers.
1291  DF_1_GLOBAUDIT = 0x01000000, // Global auditing required.
1292  DF_1_SINGLETON = 0x02000000 // Singleton symbols are used.
1293 };
1294 
1295 // DT_MIPS_FLAGS values.
1296 enum {
1297  RHF_NONE = 0x00000000, // No flags.
1298  RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers.
1299  RHF_NOTPOT = 0x00000002, // Hash size is not a power of two.
1300  RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH.
1301  RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated.
1302  RHF_SGI_ONLY = 0x00000010, // SGI specific features.
1303  RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish
1304  // executing before any non-init
1305  // code in DSO is called.
1306  RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code.
1307  RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start
1308  // executing before any non-init
1309  // code in DSO is called.
1310  RHF_PIXIE = 0x00000100, // Generated by pixie.
1311  RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default.
1312  RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted
1313  RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted
1314  RHF_CORD = 0x00001000, // Generated by cord.
1315  RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved
1316  // undef symbols.
1317  RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order.
1318 };
1319 
1320 // ElfXX_VerDef structure version (GNU versioning)
1321 enum { VER_DEF_NONE = 0, VER_DEF_CURRENT = 1 };
1322 
1323 // VerDef Flags (ElfXX_VerDef::vd_flags)
1324 enum { VER_FLG_BASE = 0x1, VER_FLG_WEAK = 0x2, VER_FLG_INFO = 0x4 };
1325 
1326 // Special constants for the version table. (SHT_GNU_versym/.gnu.version)
1327 enum {
1328  VER_NDX_LOCAL = 0, // Unversioned local symbol
1329  VER_NDX_GLOBAL = 1, // Unversioned global symbol
1330  VERSYM_VERSION = 0x7fff, // Version Index mask
1331  VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version)
1332 };
1333 
1334 // ElfXX_VerNeed structure version (GNU versioning)
1336 
1337 // SHT_NOTE section types
1338 enum {
1349 };
1350 
1351 // Generic note types
1352 enum : unsigned {
1354  NT_ARCH = 2,
1357 };
1358 
1359 enum {
1365 };
1366 
1367 // Property types used in GNU_PROPERTY_TYPE_0 notes.
1368 enum : unsigned {
1377 };
1378 
1379 // aarch64 processor feature bits.
1380 enum : unsigned {
1383 };
1384 
1385 // x86 processor feature bits.
1386 enum : unsigned {
1389 
1414 
1425 };
1426 
1427 // AMDGPU-specific section indices.
1428 enum {
1429  SHN_AMDGPU_LDS = 0xff00, // Variable in LDS; symbol encoded like SHN_COMMON
1430 };
1431 
1432 // AMD specific notes. (Code Object V2)
1433 enum {
1434  // Note types with values between 0 and 9 (inclusive) are reserved.
1438 };
1439 
1440 // AMDGPU specific notes. (Code Object V3)
1441 enum {
1442  // Note types with values between 0 and 31 (inclusive) are reserved.
1444 };
1445 
1446 enum {
1454 };
1455 
1456 constexpr const char *ELF_NOTE_GNU = "GNU";
1457 
1458 // Android packed relocation group flags.
1459 enum {
1464 };
1465 
1466 // Compressed section header for ELF32.
1467 struct Elf32_Chdr {
1471 };
1472 
1473 // Compressed section header for ELF64.
1474 struct Elf64_Chdr {
1479 };
1480 
1481 // Node header for ELF32.
1482 struct Elf32_Nhdr {
1486 };
1487 
1488 // Node header for ELF64.
1489 struct Elf64_Nhdr {
1493 };
1494 
1495 // Legal values for ch_type field of compressed section header.
1496 enum {
1497  ELFCOMPRESS_ZLIB = 1, // ZLIB/DEFLATE algorithm.
1498  ELFCOMPRESS_LOOS = 0x60000000, // Start of OS-specific.
1499  ELFCOMPRESS_HIOS = 0x6fffffff, // End of OS-specific.
1500  ELFCOMPRESS_LOPROC = 0x70000000, // Start of processor-specific.
1501  ELFCOMPRESS_HIPROC = 0x7fffffff // End of processor-specific.
1502 };
1503 
1504 } // end namespace ELF
1505 } // end namespace llvm
1506 
1507 #endif // LLVM_BINARYFORMAT_ELF_H
Elf32_Word n_descsz
Definition: ELF.h:1484
Elf64_Word p_flags
Definition: ELF.h:1172
Elf32_Word sh_size
Definition: ELF.h:779
Elf64_Half e_phentsize
Definition: ELF.h:96
Elf64_Addr p_vaddr
Definition: ELF.h:1174
unsigned char st_other
Definition: ELF.h:996
void setSymbolAndType(Elf32_Word s, unsigned char t)
Definition: ELF.h:1096
Elf32_Word n_namesz
Definition: ELF.h:1483
void setSymbolAndType(Elf32_Word s, unsigned char t)
Definition: ELF.h:1113
This class represents lattice values for constants.
Definition: AllocatorList.h:23
void setType(unsigned char t)
Definition: ELF.h:1024
uint16_t Elf32_Half
Definition: ELF.h:30
Elf32_Word r_info
Definition: ELF.h:1104
All sections with the "d" flag are grouped together by the linker to form the data section and the dp...
Definition: ELF.h:934
Elf32_Word getSymbol() const
Definition: ELF.h:1109
Elf64_Xword r_info
Definition: ELF.h:1124
Elf64_Sxword r_addend
Definition: ELF.h:1141
unsigned char st_other
Definition: ELF.h:1014
unsigned char getDataEncoding() const
Definition: ELF.h:81
Elf32_Addr r_offset
Definition: ELF.h:1103
Elf32_Word d_val
Definition: ELF.h:1235
Elf32_Word sh_link
Definition: ELF.h:780
void setSymbolAndType(Elf64_Word s, Elf64_Word t)
Definition: ELF.h:1149
Elf32_Word e_flags
Definition: ELF.h:68
Elf32_Word p_align
Definition: ELF.h:1166
All sections with the "c" flag are grouped together by the linker to form the constant pool and the c...
Definition: ELF.h:939
Elf64_Half e_shentsize
Definition: ELF.h:98
Elf64_Xword r_info
Definition: ELF.h:1140
uint64_t Elf64_Xword
Definition: ELF.h:39
Elf64_Addr e_entry
Definition: ELF.h:91
void setType(Elf64_Word t)
Definition: ELF.h:1148
Elf64_Xword p_memsz
Definition: ELF.h:1177
Elf32_Word getSymbol() const
Definition: ELF.h:1092
static int64_t decodePPC64LocalEntryOffset(unsigned Other)
Definition: ELF.h:392
Elf32_Off e_shoff
Definition: ELF.h:67
Elf32_Word p_type
Definition: ELF.h:1159
Elf64_Word st_name
Definition: ELF.h:1012
Elf32_Addr p_vaddr
Definition: ELF.h:1161
Elf32_Addr p_paddr
Definition: ELF.h:1162
unsigned char getType() const
Definition: ELF.h:1002
unsigned char getDataEncoding() const
Definition: ELF.h:107
Elf32_Off sh_offset
Definition: ELF.h:778
Elf32_Word st_size
Definition: ELF.h:994
static unsigned encodePPC64LocalEntryOffset(int64_t Offset)
Definition: ELF.h:396
Elf64_Xword ch_size
Definition: ELF.h:1477
Elf64_Off p_offset
Definition: ELF.h:1173
Elf64_Off sh_offset
Definition: ELF.h:792
Elf64_Xword sh_entsize
Definition: ELF.h:797
Elf64_Xword sh_addralign
Definition: ELF.h:796
Elf32_Word ch_size
Definition: ELF.h:1469
Elf32_Word p_flags
Definition: ELF.h:1165
Elf32_Off e_phoff
Definition: ELF.h:66
Elf32_Word ch_addralign
Definition: ELF.h:1470
Elf64_Half e_type
Definition: ELF.h:88
Elf64_Xword sh_size
Definition: ELF.h:793
Elf64_Half e_machine
Definition: ELF.h:89
unsigned char getType() const
Definition: ELF.h:1110
Elf32_Word sh_entsize
Definition: ELF.h:783
Elf64_Addr st_value
Definition: ELF.h:1016
Elf64_Word n_descsz
Definition: ELF.h:1491
Elf64_Addr d_ptr
Definition: ELF.h:1245
unsigned char getType() const
Definition: ELF.h:1022
Elf32_Half e_phnum
Definition: ELF.h:71
Elf64_Word getType() const
Definition: ELF.h:1146
Elf64_Word getType() const
Definition: ELF.h:1129
Elf32_Word p_filesz
Definition: ELF.h:1163
Elf32_Off p_offset
Definition: ELF.h:1160
Elf64_Xword p_filesz
Definition: ELF.h:1176
Elf64_Word getSymbol() const
Definition: ELF.h:1145
Elf64_Word sh_info
Definition: ELF.h:795
void setType(unsigned char t)
Definition: ELF.h:1112
void setBinding(unsigned char b)
Definition: ELF.h:1023
Elf64_Xword sh_flags
Definition: ELF.h:790
uint16_t Elf64_Half
Definition: ELF.h:36
Elf32_Sword r_addend
Definition: ELF.h:1105
Elf32_Word n_type
Definition: ELF.h:1485
Elf32_Word sh_addralign
Definition: ELF.h:782
bool checkMagic() const
Definition: ELF.h:102
Elf32_Half st_shndx
Definition: ELF.h:997
unsigned char getType() const
Definition: ELF.h:1093
Elf32_Word p_memsz
Definition: ELF.h:1164
Elf32_Half e_machine
Definition: ELF.h:63
Elf64_Xword d_val
Definition: ELF.h:1244
Elf64_Xword p_align
Definition: ELF.h:1178
Elf64_Half e_shstrndx
Definition: ELF.h:100
Elf64_Half e_phnum
Definition: ELF.h:97
void setSymbol(Elf64_Word s)
Definition: ELF.h:1130
Elf32_Word sh_name
Definition: ELF.h:774
Elf32_Word st_name
Definition: ELF.h:992
Elf32_Addr e_entry
Definition: ELF.h:65
Elf32_Word ch_type
Definition: ELF.h:1468
Elf32_Word sh_info
Definition: ELF.h:781
Elf32_Word sh_flags
Definition: ELF.h:776
Elf32_Half e_type
Definition: ELF.h:62
Elf32_Addr st_value
Definition: ELF.h:993
static wasm::ValType getType(const TargetRegisterClass *RC)
unsigned char st_info
Definition: ELF.h:1013
void setSymbolAndType(Elf64_Word s, Elf64_Word t)
Definition: ELF.h:1132
unsigned char getFileClass() const
Definition: ELF.h:80
Elf32_Half e_ehsize
Definition: ELF.h:69
int64_t Elf64_Sxword
Definition: ELF.h:40
static const char ElfMagic[]
Definition: ELF.h:43
Elf64_Word ch_type
Definition: ELF.h:1475
Elf64_Sxword d_tag
Definition: ELF.h:1242
Elf64_Off e_shoff
Definition: ELF.h:93
Elf64_Word p_type
Definition: ELF.h:1171
void setBindingAndType(unsigned char b, unsigned char t)
Definition: ELF.h:1025
Elf64_Word n_type
Definition: ELF.h:1492
Elf32_Word Elf32_Relr
Definition: ELF.h:1119
Elf64_Half st_shndx
Definition: ELF.h:1015
void setSymbol(Elf32_Word s)
Definition: ELF.h:1111
Elf64_Word e_version
Definition: ELF.h:90
Elf64_Off e_phoff
Definition: ELF.h:92
Elf64_Word ch_reserved
Definition: ELF.h:1476
Elf64_Xword st_size
Definition: ELF.h:1017
Elf32_Addr sh_addr
Definition: ELF.h:777
unsigned char getBinding() const
Definition: ELF.h:1021
Elf64_Word getSymbol() const
Definition: ELF.h:1128
Elf32_Addr d_ptr
Definition: ELF.h:1236
unsigned char getBinding() const
Definition: ELF.h:1001
int32_t Elf32_Sword
Definition: ELF.h:32
bool checkMagic() const
Definition: ELF.h:76
Elf32_Half e_phentsize
Definition: ELF.h:70
constexpr const char * ELF_NOTE_GNU
Definition: ELF.h:1456
Elf64_Addr r_offset
Definition: ELF.h:1139
unsigned char e_ident[EI_NIDENT]
Definition: ELF.h:61
void setType(Elf64_Word t)
Definition: ELF.h:1131
Elf64_Word sh_name
Definition: ELF.h:788
Merge contiguous icmps into a memcmp
Definition: MergeICmps.cpp:927
Elf32_Addr r_offset
Definition: ELF.h:1087
unsigned char st_info
Definition: ELF.h:995
int32_t Elf64_Sword
Definition: ELF.h:38
Elf64_Word sh_link
Definition: ELF.h:794
void setType(unsigned char t)
Definition: ELF.h:1095
Elf64_Addr r_offset
Definition: ELF.h:1123
Elf64_Word n_namesz
Definition: ELF.h:1490
Elf32_Word e_version
Definition: ELF.h:64
Elf32_Half e_shnum
Definition: ELF.h:73
Elf64_Addr sh_addr
Definition: ELF.h:791
void setType(unsigned char t)
Definition: ELF.h:1004
Elf64_Word sh_type
Definition: ELF.h:789
void setSymbol(Elf64_Word s)
Definition: ELF.h:1147
Elf32_Sword d_tag
Definition: ELF.h:1233
Elf64_Half e_shnum
Definition: ELF.h:99
Elf32_Word sh_type
Definition: ELF.h:775
Elf32_Half e_shentsize
Definition: ELF.h:72
uint64_t Elf64_Off
Definition: ELF.h:35
Elf32_Half e_shstrndx
Definition: ELF.h:74
unsigned char getFileClass() const
Definition: ELF.h:106
Elf64_Addr p_paddr
Definition: ELF.h:1175
void setBindingAndType(unsigned char b, unsigned char t)
Definition: ELF.h:1005
Elf64_Half e_ehsize
Definition: ELF.h:95
uint64_t Elf64_Addr
Definition: ELF.h:34
Elf64_Xword Elf64_Relr
Definition: ELF.h:1155
Elf32_Word r_info
Definition: ELF.h:1088
void setSymbol(Elf32_Word s)
Definition: ELF.h:1094
Elf64_Xword ch_addralign
Definition: ELF.h:1478
void setBinding(unsigned char b)
Definition: ELF.h:1003
Elf64_Word e_flags
Definition: ELF.h:94