1 //===-- llvm/Support/ELF.h - ELF constants and data structures --*- 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 // This header contains common, non-processor-specific data structures and
11 // constants for the ELF file format.
12 //
13 // The details of the ELF32 bits in this file are largely based on the Tool
14 // Interface Standard (TIS) Executable and Linking Format (ELF) Specification
15 // Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format
16 // Version 1.5, Draft 2, May 1998 as well as OpenBSD header files.
17 //
18 //===----------------------------------------------------------------------===//
19
20 // BEGIN android-changed
21 #ifndef ART_RUNTIME_ELF_H_
22 #define ART_RUNTIME_ELF_H_
23 // END android-changed
24
25 // BEGIN android-changed
26 #include <stdint.h>
27 #include <string.h>
28 // END android-changed
29
30 typedef uint32_t Elf32_Addr; // Program address
31 typedef uint32_t Elf32_Off; // File offset
32 typedef uint16_t Elf32_Half;
33 typedef uint32_t Elf32_Word;
34 typedef int32_t Elf32_Sword;
35
36 typedef uint64_t Elf64_Addr;
37 typedef uint64_t Elf64_Off;
38 typedef uint16_t Elf64_Half;
39 typedef uint32_t Elf64_Word;
40 typedef int32_t Elf64_Sword;
41 typedef uint64_t Elf64_Xword;
42 typedef int64_t Elf64_Sxword;
43
44 // Object file magic string.
45 static const char ElfMagic[] = { 0x7f, 'E', 'L', 'F', '\0' };
46
47 // e_ident size and indices.
48 enum {
49 EI_MAG0 = 0, // File identification index.
50 EI_MAG1 = 1, // File identification index.
51 EI_MAG2 = 2, // File identification index.
52 EI_MAG3 = 3, // File identification index.
53 EI_CLASS = 4, // File class.
54 EI_DATA = 5, // Data encoding.
55 EI_VERSION = 6, // File version.
56 EI_OSABI = 7, // OS/ABI identification.
57 EI_ABIVERSION = 8, // ABI version.
58 EI_PAD = 9, // Start of padding bytes.
59 EI_NIDENT = 16 // Number of bytes in e_ident.
60 };
61
62 // BEGIN android-added for <elf.h> compat
63 const char ELFMAG0 = ElfMagic[EI_MAG0];
64 const char ELFMAG1 = ElfMagic[EI_MAG1];
65 const char ELFMAG2 = ElfMagic[EI_MAG2];
66 const char ELFMAG3 = ElfMagic[EI_MAG3];
67 // END android-added for <elf.h> compat
68
69 struct Elf32_Ehdr {
70 unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes
71 Elf32_Half e_type; // Type of file (see ET_* below)
72 Elf32_Half e_machine; // Required architecture for this file (see EM_*)
73 Elf32_Word e_version; // Must be equal to 1
74 Elf32_Addr e_entry; // Address to jump to in order to start program
75 Elf32_Off e_phoff; // Program header table's file offset, in bytes
76 Elf32_Off e_shoff; // Section header table's file offset, in bytes
77 Elf32_Word e_flags; // Processor-specific flags
78 Elf32_Half e_ehsize; // Size of ELF header, in bytes
79 Elf32_Half e_phentsize; // Size of an entry in the program header table
80 Elf32_Half e_phnum; // Number of entries in the program header table
81 Elf32_Half e_shentsize; // Size of an entry in the section header table
82 Elf32_Half e_shnum; // Number of entries in the section header table
83 Elf32_Half e_shstrndx; // Sect hdr table index of sect name string table
checkMagicElf32_Ehdr84 bool checkMagic() const {
85 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
86 }
getFileClassElf32_Ehdr87 unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
getDataEncodingElf32_Ehdr88 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
89 };
90
91 // 64-bit ELF header. Fields are the same as for ELF32, but with different
92 // types (see above).
93 struct Elf64_Ehdr {
94 unsigned char e_ident[EI_NIDENT];
95 Elf64_Half e_type;
96 Elf64_Half e_machine;
97 Elf64_Word e_version;
98 Elf64_Addr e_entry;
99 Elf64_Off e_phoff;
100 Elf64_Off e_shoff;
101 Elf64_Word e_flags;
102 Elf64_Half e_ehsize;
103 Elf64_Half e_phentsize;
104 Elf64_Half e_phnum;
105 Elf64_Half e_shentsize;
106 Elf64_Half e_shnum;
107 Elf64_Half e_shstrndx;
checkMagicElf64_Ehdr108 bool checkMagic() const {
109 return (memcmp(e_ident, ElfMagic, strlen(ElfMagic))) == 0;
110 }
getFileClassElf64_Ehdr111 unsigned char getFileClass() const { return e_ident[EI_CLASS]; }
getDataEncodingElf64_Ehdr112 unsigned char getDataEncoding() const { return e_ident[EI_DATA]; }
113 };
114
115 // File types
116 enum {
117 ET_NONE = 0, // No file type
118 ET_REL = 1, // Relocatable file
119 ET_EXEC = 2, // Executable file
120 ET_DYN = 3, // Shared object file
121 ET_CORE = 4, // Core file
122 ET_LOPROC = 0xff00, // Beginning of processor-specific codes
123 ET_HIPROC = 0xffff // Processor-specific
124 };
125
126 // Versioning
127 enum {
128 EV_NONE = 0,
129 EV_CURRENT = 1
130 };
131
132 // Machine architectures
133 enum {
134 EM_NONE = 0, // No machine
135 EM_M32 = 1, // AT&T WE 32100
136 EM_SPARC = 2, // SPARC
137 EM_386 = 3, // Intel 386
138 EM_68K = 4, // Motorola 68000
139 EM_88K = 5, // Motorola 88000
140 EM_486 = 6, // Intel 486 (deprecated)
141 EM_860 = 7, // Intel 80860
142 EM_MIPS = 8, // MIPS R3000
143 EM_S370 = 9, // IBM System/370
144 EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian
145 EM_PARISC = 15, // Hewlett-Packard PA-RISC
146 EM_VPP500 = 17, // Fujitsu VPP500
147 EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC
148 EM_960 = 19, // Intel 80960
149 EM_PPC = 20, // PowerPC
150 EM_PPC64 = 21, // PowerPC64
151 EM_S390 = 22, // IBM System/390
152 EM_SPU = 23, // IBM SPU/SPC
153 EM_V800 = 36, // NEC V800
154 EM_FR20 = 37, // Fujitsu FR20
155 EM_RH32 = 38, // TRW RH-32
156 EM_RCE = 39, // Motorola RCE
157 EM_ARM = 40, // ARM
158 EM_ALPHA = 41, // DEC Alpha
159 EM_SH = 42, // Hitachi SH
160 EM_SPARCV9 = 43, // SPARC V9
161 EM_TRICORE = 44, // Siemens TriCore
162 EM_ARC = 45, // Argonaut RISC Core
163 EM_H8_300 = 46, // Hitachi H8/300
164 EM_H8_300H = 47, // Hitachi H8/300H
165 EM_H8S = 48, // Hitachi H8S
166 EM_H8_500 = 49, // Hitachi H8/500
167 EM_IA_64 = 50, // Intel IA-64 processor architecture
168 EM_MIPS_X = 51, // Stanford MIPS-X
169 EM_COLDFIRE = 52, // Motorola ColdFire
170 EM_68HC12 = 53, // Motorola M68HC12
171 EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator
172 EM_PCP = 55, // Siemens PCP
173 EM_NCPU = 56, // Sony nCPU embedded RISC processor
174 EM_NDR1 = 57, // Denso NDR1 microprocessor
175 EM_STARCORE = 58, // Motorola Star*Core processor
176 EM_ME16 = 59, // Toyota ME16 processor
177 EM_ST100 = 60, // STMicroelectronics ST100 processor
178 EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family
179 EM_X86_64 = 62, // AMD x86-64 architecture
180 EM_PDSP = 63, // Sony DSP Processor
181 EM_PDP10 = 64, // Digital Equipment Corp. PDP-10
182 EM_PDP11 = 65, // Digital Equipment Corp. PDP-11
183 EM_FX66 = 66, // Siemens FX66 microcontroller
184 EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller
185 EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller
186 EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller
187 EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller
188 EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller
189 EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller
190 EM_SVX = 73, // Silicon Graphics SVx
191 EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller
192 EM_VAX = 75, // Digital VAX
193 EM_CRIS = 76, // Axis Communications 32-bit embedded processor
194 EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor
195 EM_FIREPATH = 78, // Element 14 64-bit DSP Processor
196 EM_ZSP = 79, // LSI Logic 16-bit DSP Processor
197 EM_MMIX = 80, // Donald Knuth's educational 64-bit processor
198 EM_HUANY = 81, // Harvard University machine-independent object files
199 EM_PRISM = 82, // SiTera Prism
200 EM_AVR = 83, // Atmel AVR 8-bit microcontroller
201 EM_FR30 = 84, // Fujitsu FR30
202 EM_D10V = 85, // Mitsubishi D10V
203 EM_D30V = 86, // Mitsubishi D30V
204 EM_V850 = 87, // NEC v850
205 EM_M32R = 88, // Mitsubishi M32R
206 EM_MN10300 = 89, // Matsushita MN10300
207 EM_MN10200 = 90, // Matsushita MN10200
208 EM_PJ = 91, // picoJava
209 EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor
210 EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old
211 // spelling/synonym: EM_ARC_A5)
212 EM_XTENSA = 94, // Tensilica Xtensa Architecture
213 EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor
214 EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor
215 EM_NS32K = 97, // National Semiconductor 32000 series
216 EM_TPC = 98, // Tenor Network TPC processor
217 EM_SNP1K = 99, // Trebia SNP 1000 processor
218 EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200
219 EM_IP2K = 101, // Ubicom IP2xxx microcontroller family
220 EM_MAX = 102, // MAX Processor
221 EM_CR = 103, // National Semiconductor CompactRISC microprocessor
222 EM_F2MC16 = 104, // Fujitsu F2MC16
223 EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430
224 EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor
225 EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors
226 EM_SEP = 108, // Sharp embedded microprocessor
227 EM_ARCA = 109, // Arca RISC Microprocessor
228 EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC
229 // of Peking University
230 EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU
231 EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor
232 EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor
233 EM_CRX = 114, // National Semiconductor CompactRISC CRX
234 EM_XGATE = 115, // Motorola XGATE embedded processor
235 EM_C166 = 116, // Infineon C16x/XC16x processor
236 EM_M16C = 117, // Renesas M16C series microprocessors
237 EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal
238 // Controller
239 EM_CE = 119, // Freescale Communication Engine RISC core
240 EM_M32C = 120, // Renesas M32C series microprocessors
241 EM_TSK3000 = 131, // Altium TSK3000 core
242 EM_RS08 = 132, // Freescale RS08 embedded processor
243 EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP
244 // processors
245 EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor
246 EM_SCORE7 = 135, // Sunplus S+core7 RISC processor
247 EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor
248 EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor
249 EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture
250 EM_SE_C17 = 139, // Seiko Epson C17 family
251 EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family
252 EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family
253 EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family
254 EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor
255 EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor
256 EM_R32C = 162, // Renesas R32C series microprocessors
257 EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family
258 EM_HEXAGON = 164, // Qualcomm Hexagon processor
259 EM_8051 = 165, // Intel 8051 and variants
260 EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable
261 // and extensible RISC processors
262 EM_NDS32 = 167, // Andes Technology compact code size embedded RISC
263 // processor family
264 EM_ECOG1 = 168, // Cyan Technology eCOG1X family
265 EM_ECOG1X = 168, // Cyan Technology eCOG1X family
266 EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers
267 EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor
268 EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor
269 EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture
270 EM_RX = 173, // Renesas RX family
271 EM_METAG = 174, // Imagination Technologies META processor
272 // architecture
273 EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture
274 EM_ECOG16 = 176, // Cyan Technology eCOG16 family
275 EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit
276 // microprocessor
277 EM_ETPU = 178, // Freescale Extended Time Processing Unit
278 EM_SLE9X = 179, // Infineon Technologies SLE9X core
279 EM_L10M = 180, // Intel L10M
280 EM_K10M = 181, // Intel K10M
281 EM_AARCH64 = 183, // ARM AArch64
282 EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family
283 EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller
284 EM_TILE64 = 187, // Tilera TILE64 multicore architecture family
285 EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family
286 EM_CUDA = 190, // NVIDIA CUDA architecture
287 EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family
288 EM_CLOUDSHIELD = 192, // CloudShield architecture family
289 EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family
290 EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family
291 EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2
292 EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core
293 EM_RL78 = 197, // Renesas RL78 family
294 EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor
295 EM_78KOR = 199, // Renesas 78KOR family
296 EM_56800EX = 200 // Freescale 56800EX Digital Signal Controller (DSC)
297 };
298
299 // Object file classes.
300 enum {
301 ELFCLASSNONE = 0,
302 ELFCLASS32 = 1, // 32-bit object file
303 ELFCLASS64 = 2 // 64-bit object file
304 };
305
306 // Object file byte orderings.
307 enum {
308 ELFDATANONE = 0, // Invalid data encoding.
309 ELFDATA2LSB = 1, // Little-endian object file
310 ELFDATA2MSB = 2 // Big-endian object file
311 };
312
313 // OS ABI identification.
314 enum {
315 ELFOSABI_NONE = 0, // UNIX System V ABI
316 ELFOSABI_HPUX = 1, // HP-UX operating system
317 ELFOSABI_NETBSD = 2, // NetBSD
318 ELFOSABI_GNU = 3, // GNU/Linux
319 ELFOSABI_LINUX = 3, // Historical alias for ELFOSABI_GNU.
320 ELFOSABI_HURD = 4, // GNU/Hurd
321 ELFOSABI_SOLARIS = 6, // Solaris
322 ELFOSABI_AIX = 7, // AIX
323 ELFOSABI_IRIX = 8, // IRIX
324 ELFOSABI_FREEBSD = 9, // FreeBSD
325 ELFOSABI_TRU64 = 10, // TRU64 UNIX
326 ELFOSABI_MODESTO = 11, // Novell Modesto
327 ELFOSABI_OPENBSD = 12, // OpenBSD
328 ELFOSABI_OPENVMS = 13, // OpenVMS
329 ELFOSABI_NSK = 14, // Hewlett-Packard Non-Stop Kernel
330 ELFOSABI_AROS = 15, // AROS
331 ELFOSABI_FENIXOS = 16, // FenixOS
332 ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000
333 ELFOSABI_C6000_LINUX = 65, // Linux TMS320C6000
334 ELFOSABI_ARM = 97, // ARM
335 ELFOSABI_STANDALONE = 255 // Standalone (embedded) application
336 };
337
338 // X86_64 relocations.
339 enum {
340 R_X86_64_NONE = 0,
341 R_X86_64_64 = 1,
342 R_X86_64_PC32 = 2,
343 R_X86_64_GOT32 = 3,
344 R_X86_64_PLT32 = 4,
345 R_X86_64_COPY = 5,
346 R_X86_64_GLOB_DAT = 6,
347 R_X86_64_JUMP_SLOT = 7,
348 R_X86_64_RELATIVE = 8,
349 R_X86_64_GOTPCREL = 9,
350 R_X86_64_32 = 10,
351 R_X86_64_32S = 11,
352 R_X86_64_16 = 12,
353 R_X86_64_PC16 = 13,
354 R_X86_64_8 = 14,
355 R_X86_64_PC8 = 15,
356 R_X86_64_DTPMOD64 = 16,
357 R_X86_64_DTPOFF64 = 17,
358 R_X86_64_TPOFF64 = 18,
359 R_X86_64_TLSGD = 19,
360 R_X86_64_TLSLD = 20,
361 R_X86_64_DTPOFF32 = 21,
362 R_X86_64_GOTTPOFF = 22,
363 R_X86_64_TPOFF32 = 23,
364 R_X86_64_PC64 = 24,
365 R_X86_64_GOTOFF64 = 25,
366 R_X86_64_GOTPC32 = 26,
367 R_X86_64_GOT64 = 27,
368 R_X86_64_GOTPCREL64 = 28,
369 R_X86_64_GOTPC64 = 29,
370 R_X86_64_GOTPLT64 = 30,
371 R_X86_64_PLTOFF64 = 31,
372 R_X86_64_SIZE32 = 32,
373 R_X86_64_SIZE64 = 33,
374 R_X86_64_GOTPC32_TLSDESC = 34,
375 R_X86_64_TLSDESC_CALL = 35,
376 R_X86_64_TLSDESC = 36,
377 R_X86_64_IRELATIVE = 37
378 };
379
380 // i386 relocations.
381 // TODO: this is just a subset
382 enum {
383 R_386_NONE = 0,
384 R_386_32 = 1,
385 R_386_PC32 = 2,
386 R_386_GOT32 = 3,
387 R_386_PLT32 = 4,
388 R_386_COPY = 5,
389 R_386_GLOB_DAT = 6,
390 R_386_JUMP_SLOT = 7,
391 R_386_RELATIVE = 8,
392 R_386_GOTOFF = 9,
393 R_386_GOTPC = 10,
394 R_386_32PLT = 11,
395 R_386_TLS_TPOFF = 14,
396 R_386_TLS_IE = 15,
397 R_386_TLS_GOTIE = 16,
398 R_386_TLS_LE = 17,
399 R_386_TLS_GD = 18,
400 R_386_TLS_LDM = 19,
401 R_386_16 = 20,
402 R_386_PC16 = 21,
403 R_386_8 = 22,
404 R_386_PC8 = 23,
405 R_386_TLS_GD_32 = 24,
406 R_386_TLS_GD_PUSH = 25,
407 R_386_TLS_GD_CALL = 26,
408 R_386_TLS_GD_POP = 27,
409 R_386_TLS_LDM_32 = 28,
410 R_386_TLS_LDM_PUSH = 29,
411 R_386_TLS_LDM_CALL = 30,
412 R_386_TLS_LDM_POP = 31,
413 R_386_TLS_LDO_32 = 32,
414 R_386_TLS_IE_32 = 33,
415 R_386_TLS_LE_32 = 34,
416 R_386_TLS_DTPMOD32 = 35,
417 R_386_TLS_DTPOFF32 = 36,
418 R_386_TLS_TPOFF32 = 37,
419 R_386_TLS_GOTDESC = 39,
420 R_386_TLS_DESC_CALL = 40,
421 R_386_TLS_DESC = 41,
422 R_386_IRELATIVE = 42,
423 R_386_NUM = 43
424 };
425
426 // ELF Relocation types for PPC32
427 enum {
428 R_PPC_NONE = 0, /* No relocation. */
429 R_PPC_ADDR32 = 1,
430 R_PPC_ADDR24 = 2,
431 R_PPC_ADDR16 = 3,
432 R_PPC_ADDR16_LO = 4,
433 R_PPC_ADDR16_HI = 5,
434 R_PPC_ADDR16_HA = 6,
435 R_PPC_ADDR14 = 7,
436 R_PPC_ADDR14_BRTAKEN = 8,
437 R_PPC_ADDR14_BRNTAKEN = 9,
438 R_PPC_REL24 = 10,
439 R_PPC_REL14 = 11,
440 R_PPC_REL14_BRTAKEN = 12,
441 R_PPC_REL14_BRNTAKEN = 13,
442 R_PPC_GOT16 = 14,
443 R_PPC_GOT16_LO = 15,
444 R_PPC_GOT16_HI = 16,
445 R_PPC_GOT16_HA = 17,
446 R_PPC_REL32 = 26,
447 R_PPC_TLS = 67,
448 R_PPC_DTPMOD32 = 68,
449 R_PPC_TPREL16 = 69,
450 R_PPC_TPREL16_LO = 70,
451 R_PPC_TPREL16_HI = 71,
452 R_PPC_TPREL16_HA = 72,
453 R_PPC_TPREL32 = 73,
454 R_PPC_DTPREL16 = 74,
455 R_PPC_DTPREL16_LO = 75,
456 R_PPC_DTPREL16_HI = 76,
457 R_PPC_DTPREL16_HA = 77,
458 R_PPC_DTPREL32 = 78,
459 R_PPC_GOT_TLSGD16 = 79,
460 R_PPC_GOT_TLSGD16_LO = 80,
461 R_PPC_GOT_TLSGD16_HI = 81,
462 R_PPC_GOT_TLSGD16_HA = 82,
463 R_PPC_GOT_TLSLD16 = 83,
464 R_PPC_GOT_TLSLD16_LO = 84,
465 R_PPC_GOT_TLSLD16_HI = 85,
466 R_PPC_GOT_TLSLD16_HA = 86,
467 R_PPC_GOT_TPREL16 = 87,
468 R_PPC_GOT_TPREL16_LO = 88,
469 R_PPC_GOT_TPREL16_HI = 89,
470 R_PPC_GOT_TPREL16_HA = 90,
471 R_PPC_GOT_DTPREL16 = 91,
472 R_PPC_GOT_DTPREL16_LO = 92,
473 R_PPC_GOT_DTPREL16_HI = 93,
474 R_PPC_GOT_DTPREL16_HA = 94,
475 R_PPC_TLSGD = 95,
476 R_PPC_TLSLD = 96,
477 R_PPC_REL16 = 249,
478 R_PPC_REL16_LO = 250,
479 R_PPC_REL16_HI = 251,
480 R_PPC_REL16_HA = 252
481 };
482
483 // ELF Relocation types for PPC64
484 enum {
485 R_PPC64_NONE = 0,
486 R_PPC64_ADDR32 = 1,
487 R_PPC64_ADDR24 = 2,
488 R_PPC64_ADDR16 = 3,
489 R_PPC64_ADDR16_LO = 4,
490 R_PPC64_ADDR16_HI = 5,
491 R_PPC64_ADDR16_HA = 6,
492 R_PPC64_ADDR14 = 7,
493 R_PPC64_ADDR14_BRTAKEN = 8,
494 R_PPC64_ADDR14_BRNTAKEN = 9,
495 R_PPC64_REL24 = 10,
496 R_PPC64_REL14 = 11,
497 R_PPC64_REL14_BRTAKEN = 12,
498 R_PPC64_REL14_BRNTAKEN = 13,
499 R_PPC64_GOT16 = 14,
500 R_PPC64_GOT16_LO = 15,
501 R_PPC64_GOT16_HI = 16,
502 R_PPC64_GOT16_HA = 17,
503 R_PPC64_REL32 = 26,
504 R_PPC64_ADDR64 = 38,
505 R_PPC64_ADDR16_HIGHER = 39,
506 R_PPC64_ADDR16_HIGHERA = 40,
507 R_PPC64_ADDR16_HIGHEST = 41,
508 R_PPC64_ADDR16_HIGHESTA = 42,
509 R_PPC64_REL64 = 44,
510 R_PPC64_TOC16 = 47,
511 R_PPC64_TOC16_LO = 48,
512 R_PPC64_TOC16_HI = 49,
513 R_PPC64_TOC16_HA = 50,
514 R_PPC64_TOC = 51,
515 R_PPC64_ADDR16_DS = 56,
516 R_PPC64_ADDR16_LO_DS = 57,
517 R_PPC64_GOT16_DS = 58,
518 R_PPC64_GOT16_LO_DS = 59,
519 R_PPC64_TOC16_DS = 63,
520 R_PPC64_TOC16_LO_DS = 64,
521 R_PPC64_TLS = 67,
522 R_PPC64_DTPMOD64 = 68,
523 R_PPC64_TPREL16 = 69,
524 R_PPC64_TPREL16_LO = 70,
525 R_PPC64_TPREL16_HI = 71,
526 R_PPC64_TPREL16_HA = 72,
527 R_PPC64_TPREL64 = 73,
528 R_PPC64_DTPREL16 = 74,
529 R_PPC64_DTPREL16_LO = 75,
530 R_PPC64_DTPREL16_HI = 76,
531 R_PPC64_DTPREL16_HA = 77,
532 R_PPC64_DTPREL64 = 78,
533 R_PPC64_GOT_TLSGD16 = 79,
534 R_PPC64_GOT_TLSGD16_LO = 80,
535 R_PPC64_GOT_TLSGD16_HI = 81,
536 R_PPC64_GOT_TLSGD16_HA = 82,
537 R_PPC64_GOT_TLSLD16 = 83,
538 R_PPC64_GOT_TLSLD16_LO = 84,
539 R_PPC64_GOT_TLSLD16_HI = 85,
540 R_PPC64_GOT_TLSLD16_HA = 86,
541 R_PPC64_GOT_TPREL16_DS = 87,
542 R_PPC64_GOT_TPREL16_LO_DS = 88,
543 R_PPC64_GOT_TPREL16_HI = 89,
544 R_PPC64_GOT_TPREL16_HA = 90,
545 R_PPC64_GOT_DTPREL16_DS = 91,
546 R_PPC64_GOT_DTPREL16_LO_DS = 92,
547 R_PPC64_GOT_DTPREL16_HI = 93,
548 R_PPC64_GOT_DTPREL16_HA = 94,
549 R_PPC64_TPREL16_DS = 95,
550 R_PPC64_TPREL16_LO_DS = 96,
551 R_PPC64_TPREL16_HIGHER = 97,
552 R_PPC64_TPREL16_HIGHERA = 98,
553 R_PPC64_TPREL16_HIGHEST = 99,
554 R_PPC64_TPREL16_HIGHESTA = 100,
555 R_PPC64_DTPREL16_DS = 101,
556 R_PPC64_DTPREL16_LO_DS = 102,
557 R_PPC64_DTPREL16_HIGHER = 103,
558 R_PPC64_DTPREL16_HIGHERA = 104,
559 R_PPC64_DTPREL16_HIGHEST = 105,
560 R_PPC64_DTPREL16_HIGHESTA = 106,
561 R_PPC64_TLSGD = 107,
562 R_PPC64_TLSLD = 108,
563 R_PPC64_REL16 = 249,
564 R_PPC64_REL16_LO = 250,
565 R_PPC64_REL16_HI = 251,
566 R_PPC64_REL16_HA = 252
567 };
568
569 // ELF Relocation types for AArch64
570
571 enum {
572 R_AARCH64_NONE = 0x100,
573
574 R_AARCH64_ABS64 = 0x101,
575 R_AARCH64_ABS32 = 0x102,
576 R_AARCH64_ABS16 = 0x103,
577 R_AARCH64_PREL64 = 0x104,
578 R_AARCH64_PREL32 = 0x105,
579 R_AARCH64_PREL16 = 0x106,
580
581 R_AARCH64_MOVW_UABS_G0 = 0x107,
582 R_AARCH64_MOVW_UABS_G0_NC = 0x108,
583 R_AARCH64_MOVW_UABS_G1 = 0x109,
584 R_AARCH64_MOVW_UABS_G1_NC = 0x10a,
585 R_AARCH64_MOVW_UABS_G2 = 0x10b,
586 R_AARCH64_MOVW_UABS_G2_NC = 0x10c,
587 R_AARCH64_MOVW_UABS_G3 = 0x10d,
588 R_AARCH64_MOVW_SABS_G0 = 0x10e,
589 R_AARCH64_MOVW_SABS_G1 = 0x10f,
590 R_AARCH64_MOVW_SABS_G2 = 0x110,
591
592 R_AARCH64_LD_PREL_LO19 = 0x111,
593 R_AARCH64_ADR_PREL_LO21 = 0x112,
594 R_AARCH64_ADR_PREL_PG_HI21 = 0x113,
595 R_AARCH64_ADD_ABS_LO12_NC = 0x115,
596 R_AARCH64_LDST8_ABS_LO12_NC = 0x116,
597
598 R_AARCH64_TSTBR14 = 0x117,
599 R_AARCH64_CONDBR19 = 0x118,
600 R_AARCH64_JUMP26 = 0x11a,
601 R_AARCH64_CALL26 = 0x11b,
602
603 R_AARCH64_LDST16_ABS_LO12_NC = 0x11c,
604 R_AARCH64_LDST32_ABS_LO12_NC = 0x11d,
605 R_AARCH64_LDST64_ABS_LO12_NC = 0x11e,
606
607 R_AARCH64_LDST128_ABS_LO12_NC = 0x12b,
608
609 R_AARCH64_ADR_GOT_PAGE = 0x137,
610 R_AARCH64_LD64_GOT_LO12_NC = 0x138,
611
612 R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b,
613 R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 0x20c,
614 R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 0x20d,
615 R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 0x20e,
616 R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 0x20f,
617 R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 0x210,
618 R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 0x211,
619 R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 0x212,
620 R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 0x213,
621 R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 0x214,
622 R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 0x215,
623 R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 0x216,
624 R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 0x217,
625 R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 0x218,
626 R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 0x219,
627 R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 0x21a,
628
629 R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 0x21b,
630 R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 0x21c,
631 R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 0x21d,
632 R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 0x21e,
633 R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 0x21f,
634
635 R_AARCH64_TLSLE_MOVW_TPREL_G2 = 0x220,
636 R_AARCH64_TLSLE_MOVW_TPREL_G1 = 0x221,
637 R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 0x222,
638 R_AARCH64_TLSLE_MOVW_TPREL_G0 = 0x223,
639 R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 0x224,
640 R_AARCH64_TLSLE_ADD_TPREL_HI12 = 0x225,
641 R_AARCH64_TLSLE_ADD_TPREL_LO12 = 0x226,
642 R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 0x227,
643 R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 0x228,
644 R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 0x229,
645 R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 0x22a,
646 R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 0x22b,
647 R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 0x22c,
648 R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 0x22d,
649 R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 0x22e,
650 R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 0x22f,
651
652 R_AARCH64_TLSDESC_ADR_PAGE = 0x232,
653 R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233,
654 R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234,
655
656 R_AARCH64_TLSDESC_CALL = 0x239
657 };
658
659 // ARM Specific e_flags
660 enum : unsigned {
661 EF_ARM_SOFT_FLOAT = 0x00000200U,
662 EF_ARM_VFP_FLOAT = 0x00000400U,
663 EF_ARM_EABI_UNKNOWN = 0x00000000U,
664 EF_ARM_EABI_VER1 = 0x01000000U,
665 EF_ARM_EABI_VER2 = 0x02000000U,
666 EF_ARM_EABI_VER3 = 0x03000000U,
667 EF_ARM_EABI_VER4 = 0x04000000U,
668 EF_ARM_EABI_VER5 = 0x05000000U,
669 EF_ARM_EABIMASK = 0xFF000000U
670 };
671
672 // ELF Relocation types for ARM
673 // Meets 2.08 ABI Specs.
674
675 enum {
676 R_ARM_NONE = 0x00,
677 R_ARM_PC24 = 0x01,
678 R_ARM_ABS32 = 0x02,
679 R_ARM_REL32 = 0x03,
680 R_ARM_LDR_PC_G0 = 0x04,
681 R_ARM_ABS16 = 0x05,
682 R_ARM_ABS12 = 0x06,
683 R_ARM_THM_ABS5 = 0x07,
684 R_ARM_ABS8 = 0x08,
685 R_ARM_SBREL32 = 0x09,
686 R_ARM_THM_CALL = 0x0a,
687 R_ARM_THM_PC8 = 0x0b,
688 R_ARM_BREL_ADJ = 0x0c,
689 R_ARM_TLS_DESC = 0x0d,
690 R_ARM_THM_SWI8 = 0x0e,
691 R_ARM_XPC25 = 0x0f,
692 R_ARM_THM_XPC22 = 0x10,
693 R_ARM_TLS_DTPMOD32 = 0x11,
694 R_ARM_TLS_DTPOFF32 = 0x12,
695 R_ARM_TLS_TPOFF32 = 0x13,
696 R_ARM_COPY = 0x14,
697 R_ARM_GLOB_DAT = 0x15,
698 R_ARM_JUMP_SLOT = 0x16,
699 R_ARM_RELATIVE = 0x17,
700 R_ARM_GOTOFF32 = 0x18,
701 R_ARM_BASE_PREL = 0x19,
702 R_ARM_GOT_BREL = 0x1a,
703 R_ARM_PLT32 = 0x1b,
704 R_ARM_CALL = 0x1c,
705 R_ARM_JUMP24 = 0x1d,
706 R_ARM_THM_JUMP24 = 0x1e,
707 R_ARM_BASE_ABS = 0x1f,
708 R_ARM_ALU_PCREL_7_0 = 0x20,
709 R_ARM_ALU_PCREL_15_8 = 0x21,
710 R_ARM_ALU_PCREL_23_15 = 0x22,
711 R_ARM_LDR_SBREL_11_0_NC = 0x23,
712 R_ARM_ALU_SBREL_19_12_NC = 0x24,
713 R_ARM_ALU_SBREL_27_20_CK = 0x25,
714 R_ARM_TARGET1 = 0x26,
715 R_ARM_SBREL31 = 0x27,
716 R_ARM_V4BX = 0x28,
717 R_ARM_TARGET2 = 0x29,
718 R_ARM_PREL31 = 0x2a,
719 R_ARM_MOVW_ABS_NC = 0x2b,
720 R_ARM_MOVT_ABS = 0x2c,
721 R_ARM_MOVW_PREL_NC = 0x2d,
722 R_ARM_MOVT_PREL = 0x2e,
723 R_ARM_THM_MOVW_ABS_NC = 0x2f,
724 R_ARM_THM_MOVT_ABS = 0x30,
725 R_ARM_THM_MOVW_PREL_NC = 0x31,
726 R_ARM_THM_MOVT_PREL = 0x32,
727 R_ARM_THM_JUMP19 = 0x33,
728 R_ARM_THM_JUMP6 = 0x34,
729 R_ARM_THM_ALU_PREL_11_0 = 0x35,
730 R_ARM_THM_PC12 = 0x36,
731 R_ARM_ABS32_NOI = 0x37,
732 R_ARM_REL32_NOI = 0x38,
733 R_ARM_ALU_PC_G0_NC = 0x39,
734 R_ARM_ALU_PC_G0 = 0x3a,
735 R_ARM_ALU_PC_G1_NC = 0x3b,
736 R_ARM_ALU_PC_G1 = 0x3c,
737 R_ARM_ALU_PC_G2 = 0x3d,
738 R_ARM_LDR_PC_G1 = 0x3e,
739 R_ARM_LDR_PC_G2 = 0x3f,
740 R_ARM_LDRS_PC_G0 = 0x40,
741 R_ARM_LDRS_PC_G1 = 0x41,
742 R_ARM_LDRS_PC_G2 = 0x42,
743 R_ARM_LDC_PC_G0 = 0x43,
744 R_ARM_LDC_PC_G1 = 0x44,
745 R_ARM_LDC_PC_G2 = 0x45,
746 R_ARM_ALU_SB_G0_NC = 0x46,
747 R_ARM_ALU_SB_G0 = 0x47,
748 R_ARM_ALU_SB_G1_NC = 0x48,
749 R_ARM_ALU_SB_G1 = 0x49,
750 R_ARM_ALU_SB_G2 = 0x4a,
751 R_ARM_LDR_SB_G0 = 0x4b,
752 R_ARM_LDR_SB_G1 = 0x4c,
753 R_ARM_LDR_SB_G2 = 0x4d,
754 R_ARM_LDRS_SB_G0 = 0x4e,
755 R_ARM_LDRS_SB_G1 = 0x4f,
756 R_ARM_LDRS_SB_G2 = 0x50,
757 R_ARM_LDC_SB_G0 = 0x51,
758 R_ARM_LDC_SB_G1 = 0x52,
759 R_ARM_LDC_SB_G2 = 0x53,
760 R_ARM_MOVW_BREL_NC = 0x54,
761 R_ARM_MOVT_BREL = 0x55,
762 R_ARM_MOVW_BREL = 0x56,
763 R_ARM_THM_MOVW_BREL_NC = 0x57,
764 R_ARM_THM_MOVT_BREL = 0x58,
765 R_ARM_THM_MOVW_BREL = 0x59,
766 R_ARM_TLS_GOTDESC = 0x5a,
767 R_ARM_TLS_CALL = 0x5b,
768 R_ARM_TLS_DESCSEQ = 0x5c,
769 R_ARM_THM_TLS_CALL = 0x5d,
770 R_ARM_PLT32_ABS = 0x5e,
771 R_ARM_GOT_ABS = 0x5f,
772 R_ARM_GOT_PREL = 0x60,
773 R_ARM_GOT_BREL12 = 0x61,
774 R_ARM_GOTOFF12 = 0x62,
775 R_ARM_GOTRELAX = 0x63,
776 R_ARM_GNU_VTENTRY = 0x64,
777 R_ARM_GNU_VTINHERIT = 0x65,
778 R_ARM_THM_JUMP11 = 0x66,
779 R_ARM_THM_JUMP8 = 0x67,
780 R_ARM_TLS_GD32 = 0x68,
781 R_ARM_TLS_LDM32 = 0x69,
782 R_ARM_TLS_LDO32 = 0x6a,
783 R_ARM_TLS_IE32 = 0x6b,
784 R_ARM_TLS_LE32 = 0x6c,
785 R_ARM_TLS_LDO12 = 0x6d,
786 R_ARM_TLS_LE12 = 0x6e,
787 R_ARM_TLS_IE12GP = 0x6f,
788 R_ARM_PRIVATE_0 = 0x70,
789 R_ARM_PRIVATE_1 = 0x71,
790 R_ARM_PRIVATE_2 = 0x72,
791 R_ARM_PRIVATE_3 = 0x73,
792 R_ARM_PRIVATE_4 = 0x74,
793 R_ARM_PRIVATE_5 = 0x75,
794 R_ARM_PRIVATE_6 = 0x76,
795 R_ARM_PRIVATE_7 = 0x77,
796 R_ARM_PRIVATE_8 = 0x78,
797 R_ARM_PRIVATE_9 = 0x79,
798 R_ARM_PRIVATE_10 = 0x7a,
799 R_ARM_PRIVATE_11 = 0x7b,
800 R_ARM_PRIVATE_12 = 0x7c,
801 R_ARM_PRIVATE_13 = 0x7d,
802 R_ARM_PRIVATE_14 = 0x7e,
803 R_ARM_PRIVATE_15 = 0x7f,
804 R_ARM_ME_TOO = 0x80,
805 R_ARM_THM_TLS_DESCSEQ16 = 0x81,
806 R_ARM_THM_TLS_DESCSEQ32 = 0x82
807 };
808
809 // Mips Specific e_flags
810 enum : unsigned {
811 EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
812 EF_MIPS_PIC = 0x00000002, // Position independent code
813 EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code
814 EF_MIPS_ABI2 = 0x00000020,
815 EF_MIPS_32BITMODE = 0x00000100,
816 EF_MIPS_NAN2008 = 0x00000400, // Uses IEE 754-2008 NaN encoding
817 EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI
818
819 //ARCH_ASE
820 EF_MIPS_MICROMIPS = 0x02000000, // microMIPS
821 EF_MIPS_ARCH_ASE_M16 =
822 0x04000000, // Has Mips-16 ISA extensions
823 //ARCH
824 EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set
825 EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set
826 EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set
827 EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set
828 EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set
829 EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h
830 EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h
831 EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2
832 EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2
833 EF_MIPS_ARCH_32R6 = 0x90000000, // mips32r6
834 EF_MIPS_ARCH_64R6 = 0xa0000000, // mips64r6
835 EF_MIPS_ARCH = 0xf0000000 // Mask for applying EF_MIPS_ARCH_ variant
836 };
837
838 // ELF Relocation types for Mips
839 enum {
840 R_MIPS_NONE = 0,
841 R_MIPS_16 = 1,
842 R_MIPS_32 = 2,
843 R_MIPS_REL32 = 3,
844 R_MIPS_26 = 4,
845 R_MIPS_HI16 = 5,
846 R_MIPS_LO16 = 6,
847 R_MIPS_GPREL16 = 7,
848 R_MIPS_LITERAL = 8,
849 R_MIPS_GOT16 = 9,
850 R_MIPS_PC16 = 10,
851 R_MIPS_CALL16 = 11,
852 R_MIPS_GPREL32 = 12,
853 R_MIPS_UNUSED1 = 13,
854 R_MIPS_UNUSED2 = 14,
855 R_MIPS_SHIFT5 = 16,
856 R_MIPS_SHIFT6 = 17,
857 R_MIPS_64 = 18,
858 R_MIPS_GOT_DISP = 19,
859 R_MIPS_GOT_PAGE = 20,
860 R_MIPS_GOT_OFST = 21,
861 R_MIPS_GOT_HI16 = 22,
862 R_MIPS_GOT_LO16 = 23,
863 R_MIPS_SUB = 24,
864 R_MIPS_INSERT_A = 25,
865 R_MIPS_INSERT_B = 26,
866 R_MIPS_DELETE = 27,
867 R_MIPS_HIGHER = 28,
868 R_MIPS_HIGHEST = 29,
869 R_MIPS_CALL_HI16 = 30,
870 R_MIPS_CALL_LO16 = 31,
871 R_MIPS_SCN_DISP = 32,
872 R_MIPS_REL16 = 33,
873 R_MIPS_ADD_IMMEDIATE = 34,
874 R_MIPS_PJUMP = 35,
875 R_MIPS_RELGOT = 36,
876 R_MIPS_JALR = 37,
877 R_MIPS_TLS_DTPMOD32 = 38,
878 R_MIPS_TLS_DTPREL32 = 39,
879 R_MIPS_TLS_DTPMOD64 = 40,
880 R_MIPS_TLS_DTPREL64 = 41,
881 R_MIPS_TLS_GD = 42,
882 R_MIPS_TLS_LDM = 43,
883 R_MIPS_TLS_DTPREL_HI16 = 44,
884 R_MIPS_TLS_DTPREL_LO16 = 45,
885 R_MIPS_TLS_GOTTPREL = 46,
886 R_MIPS_TLS_TPREL32 = 47,
887 R_MIPS_TLS_TPREL64 = 48,
888 R_MIPS_TLS_TPREL_HI16 = 49,
889 R_MIPS_TLS_TPREL_LO16 = 50,
890 R_MIPS_GLOB_DAT = 51,
891 R_MIPS_PC21_S2 = 60,
892 R_MIPS_PC26_S2 = 61,
893 R_MIPS_PC18_S3 = 62,
894 R_MIPS_PC19_S2 = 63,
895 R_MIPS_PCHI16 = 64,
896 R_MIPS_PCLO16 = 65,
897 R_MIPS16_GOT16 = 102,
898 R_MIPS16_HI16 = 104,
899 R_MIPS16_LO16 = 105,
900 R_MIPS_COPY = 126,
901 R_MIPS_JUMP_SLOT = 127,
902 R_MICROMIPS_26_S1 = 133,
903 R_MICROMIPS_HI16 = 134,
904 R_MICROMIPS_LO16 = 135,
905 R_MICROMIPS_GOT16 = 138,
906 R_MICROMIPS_PC16_S1 = 141,
907 R_MICROMIPS_CALL16 = 142,
908 R_MICROMIPS_GOT_DISP = 145,
909 R_MICROMIPS_GOT_PAGE = 146,
910 R_MICROMIPS_GOT_OFST = 147,
911 R_MICROMIPS_TLS_GD = 162,
912 R_MICROMIPS_TLS_LDM = 163,
913 R_MICROMIPS_TLS_DTPREL_HI16 = 164,
914 R_MICROMIPS_TLS_DTPREL_LO16 = 165,
915 R_MICROMIPS_TLS_TPREL_HI16 = 169,
916 R_MICROMIPS_TLS_TPREL_LO16 = 170,
917 R_MIPS_NUM = 218,
918 R_MIPS_PC32 = 248
919 };
920
921 // Special values for the st_other field in the symbol table entry for MIPS.
922 enum {
923 STO_MIPS_OPTIONAL = 0x04, // Symbol whose definition is optional
924 STO_MIPS_PLT = 0x08, // PLT entry related dynamic table record
925 STO_MIPS_PIC = 0x20, // PIC func in an object mixes PIC/non-PIC
926 STO_MIPS_MICROMIPS = 0x80, // MIPS Specific ISA for MicroMips
927 STO_MIPS_MIPS16 = 0xf0 // MIPS Specific ISA for Mips16
928 };
929
930 // Hexagon Specific e_flags
931 // Release 5 ABI
932 enum {
933 // Object processor version flags, bits[3:0]
934 EF_HEXAGON_MACH_V2 = 0x00000001, // Hexagon V2
935 EF_HEXAGON_MACH_V3 = 0x00000002, // Hexagon V3
936 EF_HEXAGON_MACH_V4 = 0x00000003, // Hexagon V4
937 EF_HEXAGON_MACH_V5 = 0x00000004, // Hexagon V5
938
939 // Highest ISA version flags
940 EF_HEXAGON_ISA_MACH = 0x00000000, // Same as specified in bits[3:0]
941 // of e_flags
942 EF_HEXAGON_ISA_V2 = 0x00000010, // Hexagon V2 ISA
943 EF_HEXAGON_ISA_V3 = 0x00000020, // Hexagon V3 ISA
944 EF_HEXAGON_ISA_V4 = 0x00000030, // Hexagon V4 ISA
945 EF_HEXAGON_ISA_V5 = 0x00000040 // Hexagon V5 ISA
946 };
947
948 // Hexagon specific Section indexes for common small data
949 // Release 5 ABI
950 enum {
951 SHN_HEXAGON_SCOMMON = 0xff00, // Other access sizes
952 SHN_HEXAGON_SCOMMON_1 = 0xff01, // Byte-sized access
953 SHN_HEXAGON_SCOMMON_2 = 0xff02, // Half-word-sized access
954 SHN_HEXAGON_SCOMMON_4 = 0xff03, // Word-sized access
955 SHN_HEXAGON_SCOMMON_8 = 0xff04 // Double-word-size access
956 };
957
958 // ELF Relocation types for Hexagon
959 // Release 5 ABI
960 enum {
961 R_HEX_NONE = 0,
962 R_HEX_B22_PCREL = 1,
963 R_HEX_B15_PCREL = 2,
964 R_HEX_B7_PCREL = 3,
965 R_HEX_LO16 = 4,
966 R_HEX_HI16 = 5,
967 R_HEX_32 = 6,
968 R_HEX_16 = 7,
969 R_HEX_8 = 8,
970 R_HEX_GPREL16_0 = 9,
971 R_HEX_GPREL16_1 = 10,
972 R_HEX_GPREL16_2 = 11,
973 R_HEX_GPREL16_3 = 12,
974 R_HEX_HL16 = 13,
975 R_HEX_B13_PCREL = 14,
976 R_HEX_B9_PCREL = 15,
977 R_HEX_B32_PCREL_X = 16,
978 R_HEX_32_6_X = 17,
979 R_HEX_B22_PCREL_X = 18,
980 R_HEX_B15_PCREL_X = 19,
981 R_HEX_B13_PCREL_X = 20,
982 R_HEX_B9_PCREL_X = 21,
983 R_HEX_B7_PCREL_X = 22,
984 R_HEX_16_X = 23,
985 R_HEX_12_X = 24,
986 R_HEX_11_X = 25,
987 R_HEX_10_X = 26,
988 R_HEX_9_X = 27,
989 R_HEX_8_X = 28,
990 R_HEX_7_X = 29,
991 R_HEX_6_X = 30,
992 R_HEX_32_PCREL = 31,
993 R_HEX_COPY = 32,
994 R_HEX_GLOB_DAT = 33,
995 R_HEX_JMP_SLOT = 34,
996 R_HEX_RELATIVE = 35,
997 R_HEX_PLT_B22_PCREL = 36,
998 R_HEX_GOTREL_LO16 = 37,
999 R_HEX_GOTREL_HI16 = 38,
1000 R_HEX_GOTREL_32 = 39,
1001 R_HEX_GOT_LO16 = 40,
1002 R_HEX_GOT_HI16 = 41,
1003 R_HEX_GOT_32 = 42,
1004 R_HEX_GOT_16 = 43,
1005 R_HEX_DTPMOD_32 = 44,
1006 R_HEX_DTPREL_LO16 = 45,
1007 R_HEX_DTPREL_HI16 = 46,
1008 R_HEX_DTPREL_32 = 47,
1009 R_HEX_DTPREL_16 = 48,
1010 R_HEX_GD_PLT_B22_PCREL = 49,
1011 R_HEX_GD_GOT_LO16 = 50,
1012 R_HEX_GD_GOT_HI16 = 51,
1013 R_HEX_GD_GOT_32 = 52,
1014 R_HEX_GD_GOT_16 = 53,
1015 R_HEX_IE_LO16 = 54,
1016 R_HEX_IE_HI16 = 55,
1017 R_HEX_IE_32 = 56,
1018 R_HEX_IE_GOT_LO16 = 57,
1019 R_HEX_IE_GOT_HI16 = 58,
1020 R_HEX_IE_GOT_32 = 59,
1021 R_HEX_IE_GOT_16 = 60,
1022 R_HEX_TPREL_LO16 = 61,
1023 R_HEX_TPREL_HI16 = 62,
1024 R_HEX_TPREL_32 = 63,
1025 R_HEX_TPREL_16 = 64,
1026 R_HEX_6_PCREL_X = 65,
1027 R_HEX_GOTREL_32_6_X = 66,
1028 R_HEX_GOTREL_16_X = 67,
1029 R_HEX_GOTREL_11_X = 68,
1030 R_HEX_GOT_32_6_X = 69,
1031 R_HEX_GOT_16_X = 70,
1032 R_HEX_GOT_11_X = 71,
1033 R_HEX_DTPREL_32_6_X = 72,
1034 R_HEX_DTPREL_16_X = 73,
1035 R_HEX_DTPREL_11_X = 74,
1036 R_HEX_GD_GOT_32_6_X = 75,
1037 R_HEX_GD_GOT_16_X = 76,
1038 R_HEX_GD_GOT_11_X = 77,
1039 R_HEX_IE_32_6_X = 78,
1040 R_HEX_IE_16_X = 79,
1041 R_HEX_IE_GOT_32_6_X = 80,
1042 R_HEX_IE_GOT_16_X = 81,
1043 R_HEX_IE_GOT_11_X = 82,
1044 R_HEX_TPREL_32_6_X = 83,
1045 R_HEX_TPREL_16_X = 84,
1046 R_HEX_TPREL_11_X = 85
1047 };
1048
1049 // ELF Relocation types for S390/zSeries
1050 enum {
1051 R_390_NONE = 0,
1052 R_390_8 = 1,
1053 R_390_12 = 2,
1054 R_390_16 = 3,
1055 R_390_32 = 4,
1056 R_390_PC32 = 5,
1057 R_390_GOT12 = 6,
1058 R_390_GOT32 = 7,
1059 R_390_PLT32 = 8,
1060 R_390_COPY = 9,
1061 R_390_GLOB_DAT = 10,
1062 R_390_JMP_SLOT = 11,
1063 R_390_RELATIVE = 12,
1064 R_390_GOTOFF = 13,
1065 R_390_GOTPC = 14,
1066 R_390_GOT16 = 15,
1067 R_390_PC16 = 16,
1068 R_390_PC16DBL = 17,
1069 R_390_PLT16DBL = 18,
1070 R_390_PC32DBL = 19,
1071 R_390_PLT32DBL = 20,
1072 R_390_GOTPCDBL = 21,
1073 R_390_64 = 22,
1074 R_390_PC64 = 23,
1075 R_390_GOT64 = 24,
1076 R_390_PLT64 = 25,
1077 R_390_GOTENT = 26,
1078 R_390_GOTOFF16 = 27,
1079 R_390_GOTOFF64 = 28,
1080 R_390_GOTPLT12 = 29,
1081 R_390_GOTPLT16 = 30,
1082 R_390_GOTPLT32 = 31,
1083 R_390_GOTPLT64 = 32,
1084 R_390_GOTPLTENT = 33,
1085 R_390_PLTOFF16 = 34,
1086 R_390_PLTOFF32 = 35,
1087 R_390_PLTOFF64 = 36,
1088 R_390_TLS_LOAD = 37,
1089 R_390_TLS_GDCALL = 38,
1090 R_390_TLS_LDCALL = 39,
1091 R_390_TLS_GD32 = 40,
1092 R_390_TLS_GD64 = 41,
1093 R_390_TLS_GOTIE12 = 42,
1094 R_390_TLS_GOTIE32 = 43,
1095 R_390_TLS_GOTIE64 = 44,
1096 R_390_TLS_LDM32 = 45,
1097 R_390_TLS_LDM64 = 46,
1098 R_390_TLS_IE32 = 47,
1099 R_390_TLS_IE64 = 48,
1100 R_390_TLS_IEENT = 49,
1101 R_390_TLS_LE32 = 50,
1102 R_390_TLS_LE64 = 51,
1103 R_390_TLS_LDO32 = 52,
1104 R_390_TLS_LDO64 = 53,
1105 R_390_TLS_DTPMOD = 54,
1106 R_390_TLS_DTPOFF = 55,
1107 R_390_TLS_TPOFF = 56,
1108 R_390_20 = 57,
1109 R_390_GOT20 = 58,
1110 R_390_GOTPLT20 = 59,
1111 R_390_TLS_GOTIE20 = 60,
1112 R_390_IRELATIVE = 61
1113 };
1114
1115 // ELF Relocation type for Sparc.
1116 enum {
1117 R_SPARC_NONE = 0,
1118 R_SPARC_8 = 1,
1119 R_SPARC_16 = 2,
1120 R_SPARC_32 = 3,
1121 R_SPARC_DISP8 = 4,
1122 R_SPARC_DISP16 = 5,
1123 R_SPARC_DISP32 = 6,
1124 R_SPARC_WDISP30 = 7,
1125 R_SPARC_WDISP22 = 8,
1126 R_SPARC_HI22 = 9,
1127 R_SPARC_22 = 10,
1128 R_SPARC_13 = 11,
1129 R_SPARC_LO10 = 12,
1130 R_SPARC_GOT10 = 13,
1131 R_SPARC_GOT13 = 14,
1132 R_SPARC_GOT22 = 15,
1133 R_SPARC_PC10 = 16,
1134 R_SPARC_PC22 = 17,
1135 R_SPARC_WPLT30 = 18,
1136 R_SPARC_COPY = 19,
1137 R_SPARC_GLOB_DAT = 20,
1138 R_SPARC_JMP_SLOT = 21,
1139 R_SPARC_RELATIVE = 22,
1140 R_SPARC_UA32 = 23,
1141 R_SPARC_PLT32 = 24,
1142 R_SPARC_HIPLT22 = 25,
1143 R_SPARC_LOPLT10 = 26,
1144 R_SPARC_PCPLT32 = 27,
1145 R_SPARC_PCPLT22 = 28,
1146 R_SPARC_PCPLT10 = 29,
1147 R_SPARC_10 = 30,
1148 R_SPARC_11 = 31,
1149 R_SPARC_64 = 32,
1150 R_SPARC_OLO10 = 33,
1151 R_SPARC_HH22 = 34,
1152 R_SPARC_HM10 = 35,
1153 R_SPARC_LM22 = 36,
1154 R_SPARC_PC_HH22 = 37,
1155 R_SPARC_PC_HM10 = 38,
1156 R_SPARC_PC_LM22 = 39,
1157 R_SPARC_WDISP16 = 40,
1158 R_SPARC_WDISP19 = 41,
1159 R_SPARC_7 = 43,
1160 R_SPARC_5 = 44,
1161 R_SPARC_6 = 45,
1162 R_SPARC_DISP64 = 46,
1163 R_SPARC_PLT64 = 47,
1164 R_SPARC_HIX22 = 48,
1165 R_SPARC_LOX10 = 49,
1166 R_SPARC_H44 = 50,
1167 R_SPARC_M44 = 51,
1168 R_SPARC_L44 = 52,
1169 R_SPARC_REGISTER = 53,
1170 R_SPARC_UA64 = 54,
1171 R_SPARC_UA16 = 55,
1172 R_SPARC_TLS_GD_HI22 = 56,
1173 R_SPARC_TLS_GD_LO10 = 57,
1174 R_SPARC_TLS_GD_ADD = 58,
1175 R_SPARC_TLS_GD_CALL = 59,
1176 R_SPARC_TLS_LDM_HI22 = 60,
1177 R_SPARC_TLS_LDM_LO10 = 61,
1178 R_SPARC_TLS_LDM_ADD = 62,
1179 R_SPARC_TLS_LDM_CALL = 63,
1180 R_SPARC_TLS_LDO_HIX22 = 64,
1181 R_SPARC_TLS_LDO_LOX10 = 65,
1182 R_SPARC_TLS_LDO_ADD = 66,
1183 R_SPARC_TLS_IE_HI22 = 67,
1184 R_SPARC_TLS_IE_LO10 = 68,
1185 R_SPARC_TLS_IE_LD = 69,
1186 R_SPARC_TLS_IE_LDX = 70,
1187 R_SPARC_TLS_IE_ADD = 71,
1188 R_SPARC_TLS_LE_HIX22 = 72,
1189 R_SPARC_TLS_LE_LOX10 = 73,
1190 R_SPARC_TLS_DTPMOD32 = 74,
1191 R_SPARC_TLS_DTPMOD64 = 75,
1192 R_SPARC_TLS_DTPOFF32 = 76,
1193 R_SPARC_TLS_DTPOFF64 = 77,
1194 R_SPARC_TLS_TPOFF32 = 78,
1195 R_SPARC_TLS_TPOFF64 = 79,
1196 R_SPARC_GOTDATA_HIX22 = 80,
1197 R_SPARC_GOTDATA_LOX22 = 81,
1198 R_SPARC_GOTDATA_OP_HIX22 = 82,
1199 R_SPARC_GOTDATA_OP_LOX22 = 83,
1200 R_SPARC_GOTDATA_OP = 84
1201 };
1202
1203 // Section header.
1204 struct Elf32_Shdr {
1205 Elf32_Word sh_name; // Section name (index into string table)
1206 Elf32_Word sh_type; // Section type (SHT_*)
1207 Elf32_Word sh_flags; // Section flags (SHF_*)
1208 Elf32_Addr sh_addr; // Address where section is to be loaded
1209 Elf32_Off sh_offset; // File offset of section data, in bytes
1210 Elf32_Word sh_size; // Size of section, in bytes
1211 Elf32_Word sh_link; // Section type-specific header table index link
1212 Elf32_Word sh_info; // Section type-specific extra information
1213 Elf32_Word sh_addralign; // Section address alignment
1214 Elf32_Word sh_entsize; // Size of records contained within the section
1215 };
1216
1217 // Section header for ELF64 - same fields as ELF32, different types.
1218 struct Elf64_Shdr {
1219 Elf64_Word sh_name;
1220 Elf64_Word sh_type;
1221 Elf64_Xword sh_flags;
1222 Elf64_Addr sh_addr;
1223 Elf64_Off sh_offset;
1224 Elf64_Xword sh_size;
1225 Elf64_Word sh_link;
1226 Elf64_Word sh_info;
1227 Elf64_Xword sh_addralign;
1228 Elf64_Xword sh_entsize;
1229 };
1230
1231 // Special section indices.
1232 enum {
1233 SHN_UNDEF = 0, // Undefined, missing, irrelevant, or meaningless
1234 SHN_LORESERVE = 0xff00, // Lowest reserved index
1235 SHN_LOPROC = 0xff00, // Lowest processor-specific index
1236 SHN_HIPROC = 0xff1f, // Highest processor-specific index
1237 SHN_LOOS = 0xff20, // Lowest operating system-specific index
1238 SHN_HIOS = 0xff3f, // Highest operating system-specific index
1239 SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation
1240 SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables
1241 SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE
1242 SHN_HIRESERVE = 0xffff // Highest reserved index
1243 };
1244
1245 // Section types.
1246 enum : unsigned {
1247 SHT_NULL = 0, // No associated section (inactive entry).
1248 SHT_PROGBITS = 1, // Program-defined contents.
1249 SHT_SYMTAB = 2, // Symbol table.
1250 SHT_STRTAB = 3, // String table.
1251 SHT_RELA = 4, // Relocation entries; explicit addends.
1252 SHT_HASH = 5, // Symbol hash table.
1253 SHT_DYNAMIC = 6, // Information for dynamic linking.
1254 SHT_NOTE = 7, // Information about the file.
1255 SHT_NOBITS = 8, // Data occupies no space in the file.
1256 SHT_REL = 9, // Relocation entries; no explicit addends.
1257 SHT_SHLIB = 10, // Reserved.
1258 SHT_DYNSYM = 11, // Symbol table.
1259 SHT_INIT_ARRAY = 14, // Pointers to initialization functions.
1260 SHT_FINI_ARRAY = 15, // Pointers to termination functions.
1261 SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
1262 SHT_GROUP = 17, // Section group.
1263 SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
1264 SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
1265 SHT_GNU_ATTRIBUTES= 0x6ffffff5, // Object attributes.
1266 SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table.
1267 SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions.
1268 SHT_GNU_verneed = 0x6ffffffe, // GNU version references.
1269 SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table.
1270 SHT_HIOS = 0x6fffffff, // Highest operating system-specific type.
1271 SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type.
1272 // Fixme: All this is duplicated in MCSectionELF. Why??
1273 // Exception Index table
1274 SHT_ARM_EXIDX = 0x70000001U,
1275 // BPABI DLL dynamic linking pre-emption map
1276 SHT_ARM_PREEMPTMAP = 0x70000002U,
1277 // Object file compatibility attributes
1278 SHT_ARM_ATTRIBUTES = 0x70000003U,
1279 SHT_ARM_DEBUGOVERLAY = 0x70000004U,
1280 SHT_ARM_OVERLAYSECTION = 0x70000005U,
1281 SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in
1282 // this section based on their sizes
1283 SHT_X86_64_UNWIND = 0x70000001, // Unwind information
1284
1285 SHT_MIPS_REGINFO = 0x70000006, // Register usage information
1286 SHT_MIPS_OPTIONS = 0x7000000d, // General options
1287
1288 SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type.
1289 SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
1290 SHT_HIUSER = 0xffffffff // Highest type reserved for applications.
1291 };
1292
1293 // Section flags.
1294 enum : unsigned {
1295 // Section data should be writable during execution.
1296 SHF_WRITE = 0x1,
1297
1298 // Section occupies memory during program execution.
1299 SHF_ALLOC = 0x2,
1300
1301 // Section contains executable machine instructions.
1302 SHF_EXECINSTR = 0x4,
1303
1304 // The data in this section may be merged.
1305 SHF_MERGE = 0x10,
1306
1307 // The data in this section is null-terminated strings.
1308 SHF_STRINGS = 0x20,
1309
1310 // A field in this section holds a section header table index.
1311 SHF_INFO_LINK = 0x40U,
1312
1313 // Adds special ordering requirements for link editors.
1314 SHF_LINK_ORDER = 0x80U,
1315
1316 // This section requires special OS-specific processing to avoid incorrect
1317 // behavior.
1318 SHF_OS_NONCONFORMING = 0x100U,
1319
1320 // This section is a member of a section group.
1321 SHF_GROUP = 0x200U,
1322
1323 // This section holds Thread-Local Storage.
1324 SHF_TLS = 0x400U,
1325
1326 // This section is excluded from the final executable or shared library.
1327 SHF_EXCLUDE = 0x80000000U,
1328
1329 // Start of target-specific flags.
1330
1331 /// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped
1332 /// together by the linker to form the constant pool and the cp register is
1333 /// set to the start of the constant pool by the boot code.
1334 XCORE_SHF_CP_SECTION = 0x800U,
1335
1336 /// XCORE_SHF_DP_SECTION - All sections with the "d" flag are grouped
1337 /// together by the linker to form the data section and the dp register is
1338 /// set to the start of the section by the boot code.
1339 XCORE_SHF_DP_SECTION = 0x1000U,
1340
1341 SHF_MASKOS = 0x0ff00000,
1342
1343 // Bits indicating processor-specific flags.
1344 SHF_MASKPROC = 0xf0000000,
1345
1346 // If an object file section does not have this flag set, then it may not hold
1347 // more than 2GB and can be freely referred to in objects using smaller code
1348 // models. Otherwise, only objects using larger code models can refer to them.
1349 // For example, a medium code model object can refer to data in a section that
1350 // sets this flag besides being able to refer to data in a section that does
1351 // not set it; likewise, a small code model object can refer only to code in a
1352 // section that does not set this flag.
1353 SHF_X86_64_LARGE = 0x10000000,
1354
1355 // All sections with the GPREL flag are grouped into a global data area
1356 // for faster accesses
1357 SHF_HEX_GPREL = 0x10000000,
1358
1359 // Section contains text/data which may be replicated in other sections.
1360 // Linker must retain only one copy.
1361 SHF_MIPS_NODUPES = 0x01000000,
1362
1363 // Linker must generate implicit hidden weak names.
1364 SHF_MIPS_NAMES = 0x02000000,
1365
1366 // Section data local to process.
1367 SHF_MIPS_LOCAL = 0x04000000,
1368
1369 // Do not strip this section.
1370 SHF_MIPS_NOSTRIP = 0x08000000,
1371
1372 // Section must be part of global data area.
1373 SHF_MIPS_GPREL = 0x10000000,
1374
1375 // This section should be merged.
1376 SHF_MIPS_MERGE = 0x20000000,
1377
1378 // Address size to be inferred from section entry size.
1379 SHF_MIPS_ADDR = 0x40000000,
1380
1381 // Section data is string data by default.
1382 SHF_MIPS_STRING = 0x80000000
1383 };
1384
1385 // Section Group Flags
1386 enum : unsigned {
1387 GRP_COMDAT = 0x1,
1388 GRP_MASKOS = 0x0ff00000,
1389 GRP_MASKPROC = 0xf0000000
1390 };
1391
1392 // Symbol table entries for ELF32.
1393 struct Elf32_Sym {
1394 Elf32_Word st_name; // Symbol name (index into string table)
1395 Elf32_Addr st_value; // Value or address associated with the symbol
1396 Elf32_Word st_size; // Size of the symbol
1397 unsigned char st_info; // Symbol's type and binding attributes
1398 unsigned char st_other; // Must be zero; reserved
1399 Elf32_Half st_shndx; // Which section (header table index) it's defined in
1400
1401 // These accessors and mutators correspond to the ELF32_ST_BIND,
1402 // ELF32_ST_TYPE, and ELF32_ST_INFO macros defined in the ELF specification:
getBindingElf32_Sym1403 unsigned char getBinding() const { return st_info >> 4; }
getTypeElf32_Sym1404 unsigned char getType() const { return st_info & 0x0f; }
setBindingElf32_Sym1405 void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
setTypeElf32_Sym1406 void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
setBindingAndTypeElf32_Sym1407 void setBindingAndType(unsigned char b, unsigned char t) {
1408 st_info = (b << 4) + (t & 0x0f);
1409 }
1410 };
1411
1412 // BEGIN android-added for <elf.h> compat
ELF32_ST_TYPE(unsigned char st_info)1413 static inline unsigned char ELF32_ST_TYPE(unsigned char st_info) { return st_info & 0x0f; }
1414 // END android-added for <elf.h> compat
1415
1416 // Symbol table entries for ELF64.
1417 struct Elf64_Sym {
1418 Elf64_Word st_name; // Symbol name (index into string table)
1419 unsigned char st_info; // Symbol's type and binding attributes
1420 unsigned char st_other; // Must be zero; reserved
1421 Elf64_Half st_shndx; // Which section (header tbl index) it's defined in
1422 Elf64_Addr st_value; // Value or address associated with the symbol
1423 Elf64_Xword st_size; // Size of the symbol
1424
1425 // These accessors and mutators are identical to those defined for ELF32
1426 // symbol table entries.
getBindingElf64_Sym1427 unsigned char getBinding() const { return st_info >> 4; }
getTypeElf64_Sym1428 unsigned char getType() const { return st_info & 0x0f; }
setBindingElf64_Sym1429 void setBinding(unsigned char b) { setBindingAndType(b, getType()); }
setTypeElf64_Sym1430 void setType(unsigned char t) { setBindingAndType(getBinding(), t); }
setBindingAndTypeElf64_Sym1431 void setBindingAndType(unsigned char b, unsigned char t) {
1432 st_info = (b << 4) + (t & 0x0f);
1433 }
1434 };
1435
1436 // The size (in bytes) of symbol table entries.
1437 enum {
1438 SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
1439 SYMENTRY_SIZE64 = 24 // 64-bit symbol entry size.
1440 };
1441
1442 // Symbol bindings.
1443 enum {
1444 STB_LOCAL = 0, // Local symbol, not visible outside obj file containing def
1445 STB_GLOBAL = 1, // Global symbol, visible to all object files being combined
1446 STB_WEAK = 2, // Weak symbol, like global but lower-precedence
1447 STB_LOOS = 10, // Lowest operating system-specific binding type
1448 STB_HIOS = 12, // Highest operating system-specific binding type
1449 STB_LOPROC = 13, // Lowest processor-specific binding type
1450 STB_HIPROC = 15 // Highest processor-specific binding type
1451 };
1452
1453 // Symbol types.
1454 enum {
1455 STT_NOTYPE = 0, // Symbol's type is not specified
1456 STT_OBJECT = 1, // Symbol is a data object (variable, array, etc.)
1457 STT_FUNC = 2, // Symbol is executable code (function, etc.)
1458 STT_SECTION = 3, // Symbol refers to a section
1459 STT_FILE = 4, // Local, absolute symbol that refers to a file
1460 STT_COMMON = 5, // An uninitialized common block
1461 STT_TLS = 6, // Thread local data object
1462 STT_LOOS = 7, // Lowest operating system-specific symbol type
1463 STT_HIOS = 8, // Highest operating system-specific symbol type
1464 STT_GNU_IFUNC = 10, // GNU indirect function
1465 STT_LOPROC = 13, // Lowest processor-specific symbol type
1466 STT_HIPROC = 15 // Highest processor-specific symbol type
1467 };
1468
1469 enum {
1470 STV_DEFAULT = 0, // Visibility is specified by binding type
1471 STV_INTERNAL = 1, // Defined by processor supplements
1472 STV_HIDDEN = 2, // Not visible to other components
1473 STV_PROTECTED = 3 // Visible in other components but not preemptable
1474 };
1475
1476 // Symbol number.
1477 enum {
1478 STN_UNDEF = 0
1479 };
1480
1481 // Relocation entry, without explicit addend.
1482 struct Elf32_Rel {
1483 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
1484 Elf32_Word r_info; // Symbol table index and type of relocation to apply
1485
1486 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
1487 // and ELF32_R_INFO macros defined in the ELF specification:
getSymbolElf32_Rel1488 Elf32_Word getSymbol() const { return (r_info >> 8); }
getTypeElf32_Rel1489 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); }
setSymbolElf32_Rel1490 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
setTypeElf32_Rel1491 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
setSymbolAndTypeElf32_Rel1492 void setSymbolAndType(Elf32_Word s, unsigned char t) {
1493 r_info = (s << 8) + t;
1494 }
1495 };
1496
1497 // Relocation entry with explicit addend.
1498 struct Elf32_Rela {
1499 Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
1500 Elf32_Word r_info; // Symbol table index and type of relocation to apply
1501 Elf32_Sword r_addend; // Compute value for relocatable field by adding this
1502
1503 // These accessors and mutators correspond to the ELF32_R_SYM, ELF32_R_TYPE,
1504 // and ELF32_R_INFO macros defined in the ELF specification:
getSymbolElf32_Rela1505 Elf32_Word getSymbol() const { return (r_info >> 8); }
getTypeElf32_Rela1506 unsigned char getType() const { return (unsigned char) (r_info & 0x0ff); }
setSymbolElf32_Rela1507 void setSymbol(Elf32_Word s) { setSymbolAndType(s, getType()); }
setTypeElf32_Rela1508 void setType(unsigned char t) { setSymbolAndType(getSymbol(), t); }
setSymbolAndTypeElf32_Rela1509 void setSymbolAndType(Elf32_Word s, unsigned char t) {
1510 r_info = (s << 8) + t;
1511 }
1512 };
1513
1514 // Relocation entry, without explicit addend.
1515 struct Elf64_Rel {
1516 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
1517 Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
1518
1519 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
1520 // and ELF64_R_INFO macros defined in the ELF specification:
getSymbolElf64_Rel1521 Elf64_Word getSymbol() const { return (r_info >> 32); }
getTypeElf64_Rel1522 Elf64_Word getType() const {
1523 return (Elf64_Word) (r_info & 0xffffffffL);
1524 }
setSymbolElf64_Rel1525 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
setTypeElf64_Rel1526 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
setSymbolAndTypeElf64_Rel1527 void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
1528 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL);
1529 }
1530 };
1531
1532 // Relocation entry with explicit addend.
1533 struct Elf64_Rela {
1534 Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
1535 Elf64_Xword r_info; // Symbol table index and type of relocation to apply.
1536 Elf64_Sxword r_addend; // Compute value for relocatable field by adding this.
1537
1538 // These accessors and mutators correspond to the ELF64_R_SYM, ELF64_R_TYPE,
1539 // and ELF64_R_INFO macros defined in the ELF specification:
getSymbolElf64_Rela1540 Elf64_Word getSymbol() const { return (r_info >> 32); }
getTypeElf64_Rela1541 Elf64_Word getType() const {
1542 return (Elf64_Word) (r_info & 0xffffffffL);
1543 }
setSymbolElf64_Rela1544 void setSymbol(Elf64_Word s) { setSymbolAndType(s, getType()); }
setTypeElf64_Rela1545 void setType(Elf64_Word t) { setSymbolAndType(getSymbol(), t); }
setSymbolAndTypeElf64_Rela1546 void setSymbolAndType(Elf64_Word s, Elf64_Word t) {
1547 r_info = ((Elf64_Xword)s << 32) + (t&0xffffffffL);
1548 }
1549 };
1550
1551 // Program header for ELF32.
1552 struct Elf32_Phdr {
1553 Elf32_Word p_type; // Type of segment
1554 Elf32_Off p_offset; // File offset where segment is located, in bytes
1555 Elf32_Addr p_vaddr; // Virtual address of beginning of segment
1556 Elf32_Addr p_paddr; // Physical address of beginning of segment (OS-specific)
1557 Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
1558 Elf32_Word p_memsz; // Num. of bytes in mem image of segment (may be zero)
1559 Elf32_Word p_flags; // Segment flags
1560 Elf32_Word p_align; // Segment alignment constraint
1561 };
1562
1563 // Program header for ELF64.
1564 struct Elf64_Phdr {
1565 Elf64_Word p_type; // Type of segment
1566 Elf64_Word p_flags; // Segment flags
1567 Elf64_Off p_offset; // File offset where segment is located, in bytes
1568 Elf64_Addr p_vaddr; // Virtual address of beginning of segment
1569 Elf64_Addr p_paddr; // Physical addr of beginning of segment (OS-specific)
1570 Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
1571 Elf64_Xword p_memsz; // Num. of bytes in mem image of segment (may be zero)
1572 Elf64_Xword p_align; // Segment alignment constraint
1573 };
1574
1575 // Segment types.
1576 enum {
1577 PT_NULL = 0, // Unused segment.
1578 PT_LOAD = 1, // Loadable segment.
1579 PT_DYNAMIC = 2, // Dynamic linking information.
1580 PT_INTERP = 3, // Interpreter pathname.
1581 PT_NOTE = 4, // Auxiliary information.
1582 PT_SHLIB = 5, // Reserved.
1583 PT_PHDR = 6, // The program header table itself.
1584 PT_TLS = 7, // The thread-local storage template.
1585 PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type.
1586 PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type.
1587 PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type.
1588 PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type.
1589
1590 // x86-64 program header types.
1591 // These all contain stack unwind tables.
1592 PT_GNU_EH_FRAME = 0x6474e550,
1593 PT_SUNW_EH_FRAME = 0x6474e550,
1594 PT_SUNW_UNWIND = 0x6464e550,
1595
1596 PT_GNU_STACK = 0x6474e551, // Indicates stack executability.
1597 PT_GNU_RELRO = 0x6474e552, // Read-only after relocation.
1598
1599 // ARM program header types.
1600 PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info
1601 // These all contain stack unwind tables.
1602 PT_ARM_EXIDX = 0x70000001,
1603 PT_ARM_UNWIND = 0x70000001,
1604
1605 // MIPS program header types.
1606 PT_MIPS_REGINFO = 0x70000000, // Register usage information.
1607 PT_MIPS_RTPROC = 0x70000001, // Runtime procedure table.
1608 PT_MIPS_OPTIONS = 0x70000002 // Options segment.
1609 };
1610
1611 // Segment flag bits.
1612 enum : unsigned {
1613 PF_X = 1, // Execute
1614 PF_W = 2, // Write
1615 PF_R = 4, // Read
1616 PF_MASKOS = 0x0ff00000,// Bits for operating system-specific semantics.
1617 PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics.
1618 };
1619
1620 // Dynamic table entry for ELF32.
1621 struct Elf32_Dyn
1622 {
1623 Elf32_Sword d_tag; // Type of dynamic table entry.
1624 union
1625 {
1626 Elf32_Word d_val; // Integer value of entry.
1627 Elf32_Addr d_ptr; // Pointer value of entry.
1628 } d_un;
1629 };
1630
1631 // Dynamic table entry for ELF64.
1632 struct Elf64_Dyn
1633 {
1634 Elf64_Sxword d_tag; // Type of dynamic table entry.
1635 union
1636 {
1637 Elf64_Xword d_val; // Integer value of entry.
1638 Elf64_Addr d_ptr; // Pointer value of entry.
1639 } d_un;
1640 };
1641
1642 // Dynamic table entry tags.
1643 enum {
1644 DT_NULL = 0, // Marks end of dynamic array.
1645 DT_NEEDED = 1, // String table offset of needed library.
1646 DT_PLTRELSZ = 2, // Size of relocation entries in PLT.
1647 DT_PLTGOT = 3, // Address associated with linkage table.
1648 DT_HASH = 4, // Address of symbolic hash table.
1649 DT_STRTAB = 5, // Address of dynamic string table.
1650 DT_SYMTAB = 6, // Address of dynamic symbol table.
1651 DT_RELA = 7, // Address of relocation table (Rela entries).
1652 DT_RELASZ = 8, // Size of Rela relocation table.
1653 DT_RELAENT = 9, // Size of a Rela relocation entry.
1654 DT_STRSZ = 10, // Total size of the string table.
1655 DT_SYMENT = 11, // Size of a symbol table entry.
1656 DT_INIT = 12, // Address of initialization function.
1657 DT_FINI = 13, // Address of termination function.
1658 DT_SONAME = 14, // String table offset of a shared objects name.
1659 DT_RPATH = 15, // String table offset of library search path.
1660 DT_SYMBOLIC = 16, // Changes symbol resolution algorithm.
1661 DT_REL = 17, // Address of relocation table (Rel entries).
1662 DT_RELSZ = 18, // Size of Rel relocation table.
1663 DT_RELENT = 19, // Size of a Rel relocation entry.
1664 DT_PLTREL = 20, // Type of relocation entry used for linking.
1665 DT_DEBUG = 21, // Reserved for debugger.
1666 DT_TEXTREL = 22, // Relocations exist for non-writable segments.
1667 DT_JMPREL = 23, // Address of relocations associated with PLT.
1668 DT_BIND_NOW = 24, // Process all relocations before execution.
1669 DT_INIT_ARRAY = 25, // Pointer to array of initialization functions.
1670 DT_FINI_ARRAY = 26, // Pointer to array of termination functions.
1671 DT_INIT_ARRAYSZ = 27, // Size of DT_INIT_ARRAY.
1672 DT_FINI_ARRAYSZ = 28, // Size of DT_FINI_ARRAY.
1673 DT_RUNPATH = 29, // String table offset of lib search path.
1674 DT_FLAGS = 30, // Flags.
1675 DT_ENCODING = 32, // Values from here to DT_LOOS follow the rules
1676 // for the interpretation of the d_un union.
1677
1678 DT_PREINIT_ARRAY = 32, // Pointer to array of preinit functions.
1679 DT_PREINIT_ARRAYSZ = 33, // Size of the DT_PREINIT_ARRAY array.
1680
1681 DT_LOOS = 0x60000000, // Start of environment specific tags.
1682 DT_HIOS = 0x6FFFFFFF, // End of environment specific tags.
1683 DT_LOPROC = 0x70000000, // Start of processor specific tags.
1684 DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags.
1685
1686 DT_GNU_HASH = 0x6FFFFEF5, // Reference to the GNU hash table.
1687 DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count.
1688 DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count.
1689
1690 DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1.
1691 DT_VERSYM = 0x6FFFFFF0, // The address of .gnu.version section.
1692 DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table.
1693 DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF.
1694 DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table.
1695 DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED.
1696
1697 // Mips specific dynamic table entry tags.
1698 DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime
1699 // linker interface.
1700 DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp.
1701 DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings
1702 // and common sizes.
1703 DT_MIPS_IVERSION = 0x70000004, // Index of version string
1704 // in string table.
1705 DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags.
1706 DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment.
1707 DT_MIPS_MSYM = 0x70000007, // Address of .msym section.
1708 DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section.
1709 DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section.
1710 DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset
1711 // table entries.
1712 DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries
1713 // in the .conflict section.
1714 DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries
1715 // in the .liblist section.
1716 DT_MIPS_SYMTABNO = 0x70000011, // Number of entries
1717 // in the .dynsym section.
1718 DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol
1719 // not referenced locally.
1720 DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol
1721 // in global offset table.
1722 DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries
1723 // in global offset table.
1724 DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map,
1725 // used for debugging.
1726 DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition.
1727 DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries
1728 // in DT_MIPS_DELTA_CLASS.
1729 DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances.
1730 DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries
1731 // in DT_MIPS_DELTA_INSTANCE.
1732 DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations.
1733 DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries
1734 // in DT_MIPS_DELTA_RELOC.
1735 DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta
1736 // relocations refer to.
1737 DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries
1738 // in DT_MIPS_DELTA_SYM.
1739 DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold
1740 // class declarations.
1741 DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries
1742 // in DT_MIPS_DELTA_CLASSSYM.
1743 DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information
1744 // about C++ flavor.
1745 DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information.
1746 DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib
1747 DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE
1748 // for a segment
1749 DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE
1750 // for a local symbol
1751 DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE
1752 // for a hidden symbol
1753 DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE
1754 // for a protected symbol
1755 DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'.
1756 DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'.
1757 DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown.
1758 DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section.
1759 DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve
1760 // function stored in the GOT.
1761 DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added
1762 // by rld on dlopen() calls.
1763 DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation
1764 // section (O32).
1765 DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs.
1766 DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic.
1767 DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT.
1768 DT_MIPS_RWPLT = 0x70000034 // Points to the base
1769 // of a writable PLT.
1770 };
1771
1772 // DT_FLAGS values.
1773 enum {
1774 DF_ORIGIN = 0x01, // The object may reference $ORIGIN.
1775 DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe.
1776 DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment.
1777 DF_BIND_NOW = 0x08, // Process all relocations on load.
1778 DF_STATIC_TLS = 0x10 // Reject attempts to load dynamically.
1779 };
1780
1781 // State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry.
1782 enum {
1783 DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object.
1784 DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object.
1785 DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object.
1786 DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object.
1787 DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime.
1788 DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object.
1789 DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object.
1790 DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled.
1791 DF_1_DIRECT = 0x00000100, // Direct binding enabled.
1792 DF_1_TRANS = 0x00000200,
1793 DF_1_INTERPOSE = 0x00000400, // Object is used to interpose.
1794 DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path.
1795 DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed.
1796 DF_1_CONFALT = 0x00002000, // Configuration alternative created.
1797 DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search.
1798 DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time.
1799 DF_1_DISPRELPND = 0x00010000 // Disp reloc applied at run-time.
1800 };
1801
1802 // DT_MIPS_FLAGS values.
1803 enum {
1804 RHF_NONE = 0x00000000, // No flags.
1805 RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers.
1806 RHF_NOTPOT = 0x00000002, // Hash size is not a power of two.
1807 RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH.
1808 RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated.
1809 RHF_SGI_ONLY = 0x00000010, // SGI specific features.
1810 RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish
1811 // executing before any non-init
1812 // code in DSO is called.
1813 RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code.
1814 RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start
1815 // executing before any non-init
1816 // code in DSO is called.
1817 RHF_PIXIE = 0x00000100, // Generated by pixie.
1818 RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default.
1819 RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted
1820 RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted
1821 RHF_CORD = 0x00001000, // Generated by cord.
1822 RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved
1823 // undef symbols.
1824 RHF_RLD_ORDER_SAFE = 0x00004000 // Symbol table is in a safe order.
1825 };
1826
1827 // ElfXX_VerDef structure version (GNU versioning)
1828 enum {
1829 VER_DEF_NONE = 0,
1830 VER_DEF_CURRENT = 1
1831 };
1832
1833 // VerDef Flags (ElfXX_VerDef::vd_flags)
1834 enum {
1835 VER_FLG_BASE = 0x1,
1836 VER_FLG_WEAK = 0x2,
1837 VER_FLG_INFO = 0x4
1838 };
1839
1840 // Special constants for the version table. (SHT_GNU_versym/.gnu.version)
1841 enum {
1842 VER_NDX_LOCAL = 0, // Unversioned local symbol
1843 VER_NDX_GLOBAL = 1, // Unversioned global symbol
1844 VERSYM_VERSION = 0x7fff, // Version Index mask
1845 VERSYM_HIDDEN = 0x8000 // Hidden bit (non-default version)
1846 };
1847
1848 // ElfXX_VerNeed structure version (GNU versioning)
1849 enum {
1850 VER_NEED_NONE = 0,
1851 VER_NEED_CURRENT = 1
1852 };
1853
1854 // BEGIN android-changed
1855 #endif // ART_RUNTIME_ELF_H_
1856 // END android-changed
1857