1 /* ELF support for BFD.
2 Copyright (C) 1991-2016 Free Software Foundation, Inc.
4 Written by Fred Fish @ Cygnus Support, from information published
5 in "UNIX System V Release 4, Programmers Guide: ANSI C and
6 Programming Support Tools".
8 This file is part of BFD, the Binary File Descriptor library.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
23 MA 02110-1301, USA. */
25 /* This file is part of ELF support for BFD, and contains the portions
26 that are common to both the internal and external representations.
27 For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
28 and external (in-file) representations. */
33 /* Fields in e_ident[]. */
35 #define EI_MAG0 0 /* File identification byte 0 index */
36 #define ELFMAG0 0x7F /* Magic number byte 0 */
38 #define EI_MAG1 1 /* File identification byte 1 index */
39 #define ELFMAG1 'E' /* Magic number byte 1 */
41 #define EI_MAG2 2 /* File identification byte 2 index */
42 #define ELFMAG2 'L' /* Magic number byte 2 */
44 #define EI_MAG3 3 /* File identification byte 3 index */
45 #define ELFMAG3 'F' /* Magic number byte 3 */
47 #define EI_CLASS 4 /* File class */
48 #define ELFCLASSNONE 0 /* Invalid class */
49 #define ELFCLASS32 1 /* 32-bit objects */
50 #define ELFCLASS64 2 /* 64-bit objects */
52 #define EI_DATA 5 /* Data encoding */
53 #define ELFDATANONE 0 /* Invalid data encoding */
54 #define ELFDATA2LSB 1 /* 2's complement, little endian */
55 #define ELFDATA2MSB 2 /* 2's complement, big endian */
57 #define EI_VERSION 6 /* File version */
59 #define EI_OSABI 7 /* Operating System/ABI indication */
60 #define ELFOSABI_NONE 0 /* UNIX System V ABI */
61 #define ELFOSABI_HPUX 1 /* HP-UX operating system */
62 #define ELFOSABI_NETBSD 2 /* NetBSD */
63 #define ELFOSABI_GNU 3 /* GNU */
64 #define ELFOSABI_LINUX 3 /* Alias for ELFOSABI_GNU */
65 #define ELFOSABI_SOLARIS 6 /* Solaris */
66 #define ELFOSABI_AIX 7 /* AIX */
67 #define ELFOSABI_IRIX 8 /* IRIX */
68 #define ELFOSABI_FREEBSD 9 /* FreeBSD */
69 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */
70 #define ELFOSABI_MODESTO 11 /* Novell Modesto */
71 #define ELFOSABI_OPENBSD 12 /* OpenBSD */
72 #define ELFOSABI_OPENVMS 13 /* OpenVMS */
73 #define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */
74 #define ELFOSABI_AROS 15 /* AROS */
75 #define ELFOSABI_FENIXOS 16 /* FenixOS */
76 #define ELFOSABI_CLOUDABI 17 /* Nuxi CloudABI */
77 #define ELFOSABI_C6000_ELFABI 64 /* Bare-metal TMS320C6000 */
78 #define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000 */
79 #define ELFOSABI_ARM 97 /* ARM */
80 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
82 #define EI_ABIVERSION 8 /* ABI version */
84 #define EI_PAD 9 /* Start of padding bytes */
87 /* Values for e_type, which identifies the object file type. */
89 #define ET_NONE 0 /* No file type */
90 #define ET_REL 1 /* Relocatable file */
91 #define ET_EXEC 2 /* Executable file */
92 #define ET_DYN 3 /* Shared object file */
93 #define ET_CORE 4 /* Core file */
94 #define ET_LOOS 0xFE00 /* Operating system-specific */
95 #define ET_HIOS 0xFEFF /* Operating system-specific */
96 #define ET_LOPROC 0xFF00 /* Processor-specific */
97 #define ET_HIPROC 0xFFFF /* Processor-specific */
99 /* Values for e_machine, which identifies the architecture. These numbers
100 are officially assigned by registry@sco.com. See below for a list of
101 ad-hoc numbers used during initial development. */
103 #define EM_NONE 0 /* No machine */
104 #define EM_M32 1 /* AT&T WE 32100 */
105 #define EM_SPARC 2 /* SUN SPARC */
106 #define EM_386 3 /* Intel 80386 */
107 #define EM_68K 4 /* Motorola m68k family */
108 #define EM_88K 5 /* Motorola m88k family */
109 #define EM_IAMCU 6 /* Intel MCU */
110 #define EM_860 7 /* Intel 80860 */
111 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
112 #define EM_S370 9 /* IBM System/370 */
113 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */
114 #define EM_res011 11 /* Reserved */
115 #define EM_res012 12 /* Reserved */
116 #define EM_res013 13 /* Reserved */
117 #define EM_res014 14 /* Reserved */
118 #define EM_PARISC 15 /* HPPA */
119 #define EM_res016 16 /* Reserved */
120 #define EM_VPP550 17 /* Fujitsu VPP500 */
121 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
122 #define EM_960 19 /* Intel 80960 */
123 #define EM_PPC 20 /* PowerPC */
124 #define EM_PPC64 21 /* 64-bit PowerPC */
125 #define EM_S390 22 /* IBM S/390 */
126 #define EM_SPU 23 /* Sony/Toshiba/IBM SPU */
127 #define EM_res024 24 /* Reserved */
128 #define EM_res025 25 /* Reserved */
129 #define EM_res026 26 /* Reserved */
130 #define EM_res027 27 /* Reserved */
131 #define EM_res028 28 /* Reserved */
132 #define EM_res029 29 /* Reserved */
133 #define EM_res030 30 /* Reserved */
134 #define EM_res031 31 /* Reserved */
135 #define EM_res032 32 /* Reserved */
136 #define EM_res033 33 /* Reserved */
137 #define EM_res034 34 /* Reserved */
138 #define EM_res035 35 /* Reserved */
139 #define EM_V800 36 /* NEC V800 series */
140 #define EM_FR20 37 /* Fujitsu FR20 */
141 #define EM_RH32 38 /* TRW RH32 */
142 #define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
143 #define EM_RCE 39 /* Old name for MCore */
144 #define EM_ARM 40 /* ARM */
145 #define EM_OLD_ALPHA 41 /* Digital Alpha */
146 #define EM_SH 42 /* Renesas (formerly Hitachi) / SuperH SH */
147 #define EM_SPARCV9 43 /* SPARC v9 64-bit */
148 #define EM_TRICORE 44 /* Siemens Tricore embedded processor */
149 #define EM_ARC 45 /* ARC Cores */
150 #define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */
151 #define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */
152 #define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */
153 #define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */
154 #define EM_IA_64 50 /* Intel IA-64 Processor */
155 #define EM_MIPS_X 51 /* Stanford MIPS-X */
156 #define EM_COLDFIRE 52 /* Motorola Coldfire */
157 #define EM_68HC12 53 /* Motorola M68HC12 */
158 #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */
159 #define EM_PCP 55 /* Siemens PCP */
160 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
161 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
162 #define EM_STARCORE 58 /* Motorola Star*Core processor */
163 #define EM_ME16 59 /* Toyota ME16 processor */
164 #define EM_ST100 60 /* STMicroelectronics ST100 processor */
165 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */
166 #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */
167 #define EM_PDSP 63 /* Sony DSP Processor */
168 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
169 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
170 #define EM_FX66 66 /* Siemens FX66 microcontroller */
171 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
172 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
173 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
174 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
175 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
176 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
177 #define EM_SVX 73 /* Silicon Graphics SVx */
178 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */
179 #define EM_VAX 75 /* Digital VAX */
180 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
181 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */
182 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
183 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
184 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
185 #define EM_HUANY 81 /* Harvard's machine-independent format */
186 #define EM_PRISM 82 /* SiTera Prism */
187 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
188 #define EM_FR30 84 /* Fujitsu FR30 */
189 #define EM_D10V 85 /* Mitsubishi D10V */
190 #define EM_D30V 86 /* Mitsubishi D30V */
191 #define EM_V850 87 /* Renesas V850 (formerly NEC V850) */
192 #define EM_M32R 88 /* Renesas M32R (formerly Mitsubishi M32R) */
193 #define EM_MN10300 89 /* Matsushita MN10300 */
194 #define EM_MN10200 90 /* Matsushita MN10200 */
195 #define EM_PJ 91 /* picoJava */
196 #define EM_OR1K 92 /* OpenRISC 1000 32-bit embedded processor */
197 #define EM_ARC_COMPACT 93 /* ARC International ARCompact processor */
198 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
199 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
200 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
201 #define EM_NS32K 97 /* National Semiconductor 32000 series */
202 #define EM_TPC 98 /* Tenor Network TPC processor */
203 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */
204 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */
205 #define EM_IP2K 101 /* Ubicom IP2022 micro controller */
206 #define EM_MAX 102 /* MAX Processor */
207 #define EM_CR 103 /* National Semiconductor CompactRISC */
208 #define EM_F2MC16 104 /* Fujitsu F2MC16 */
209 #define EM_MSP430 105 /* TI msp430 micro controller */
210 #define EM_BLACKFIN 106 /* ADI Blackfin */
211 #define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors */
212 #define EM_SEP 108 /* Sharp embedded microprocessor */
213 #define EM_ARCA 109 /* Arca RISC Microprocessor */
214 #define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */
215 #define EM_EXCESS 111 /* eXcess: 16/32/64-bit configurable embedded CPU */
216 #define EM_DXP 112 /* Icera Semiconductor Inc. Deep Execution Processor */
217 #define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */
218 #define EM_CRX 114 /* National Semiconductor CRX */
219 #define EM_XGATE 115 /* Motorola XGATE embedded processor */
220 #define EM_C166 116 /* Infineon C16x/XC16x processor */
221 #define EM_M16C 117 /* Renesas M16C series microprocessors */
222 #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F Digital Signal Controller */
223 #define EM_CE 119 /* Freescale Communication Engine RISC core */
224 #define EM_M32C 120 /* Renesas M32C series microprocessors */
225 #define EM_res121 121 /* Reserved */
226 #define EM_res122 122 /* Reserved */
227 #define EM_res123 123 /* Reserved */
228 #define EM_res124 124 /* Reserved */
229 #define EM_res125 125 /* Reserved */
230 #define EM_res126 126 /* Reserved */
231 #define EM_res127 127 /* Reserved */
232 #define EM_res128 128 /* Reserved */
233 #define EM_res129 129 /* Reserved */
234 #define EM_res130 130 /* Reserved */
235 #define EM_TSK3000 131 /* Altium TSK3000 core */
236 #define EM_RS08 132 /* Freescale RS08 embedded processor */
237 #define EM_res133 133 /* Reserved */
238 #define EM_ECOG2 134 /* Cyan Technology eCOG2 microprocessor */
239 #define EM_SCORE 135 /* Sunplus Score */
240 #define EM_SCORE7 135 /* Sunplus S+core7 RISC processor */
241 #define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP Processor */
242 #define EM_VIDEOCORE3 137 /* Broadcom VideoCore III processor */
243 #define EM_LATTICEMICO32 138 /* RISC processor for Lattice FPGA architecture */
244 #define EM_SE_C17 139 /* Seiko Epson C17 family */
245 #define EM_TI_C6000 140 /* Texas Instruments TMS320C6000 DSP family */
246 #define EM_TI_C2000 141 /* Texas Instruments TMS320C2000 DSP family */
247 #define EM_TI_C5500 142 /* Texas Instruments TMS320C55x DSP family */
248 #define EM_res143 143 /* Reserved */
249 #define EM_res144 144 /* Reserved */
250 #define EM_res145 145 /* Reserved */
251 #define EM_res146 146 /* Reserved */
252 #define EM_res147 147 /* Reserved */
253 #define EM_res148 148 /* Reserved */
254 #define EM_res149 149 /* Reserved */
255 #define EM_res150 150 /* Reserved */
256 #define EM_res151 151 /* Reserved */
257 #define EM_res152 152 /* Reserved */
258 #define EM_res153 153 /* Reserved */
259 #define EM_res154 154 /* Reserved */
260 #define EM_res155 155 /* Reserved */
261 #define EM_res156 156 /* Reserved */
262 #define EM_res157 157 /* Reserved */
263 #define EM_res158 158 /* Reserved */
264 #define EM_res159 159 /* Reserved */
265 #define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */
266 #define EM_CYPRESS_M8C 161 /* Cypress M8C microprocessor */
267 #define EM_R32C 162 /* Renesas R32C series microprocessors */
268 #define EM_TRIMEDIA 163 /* NXP Semiconductors TriMedia architecture family */
269 #define EM_QDSP6 164 /* QUALCOMM DSP6 Processor */
270 #define EM_8051 165 /* Intel 8051 and variants */
271 #define EM_STXP7X 166 /* STMicroelectronics STxP7x family */
272 #define EM_NDS32 167 /* Andes Technology compact code size embedded RISC processor family */
273 #define EM_ECOG1 168 /* Cyan Technology eCOG1X family */
274 #define EM_ECOG1X 168 /* Cyan Technology eCOG1X family */
275 #define EM_MAXQ30 169 /* Dallas Semiconductor MAXQ30 Core Micro-controllers */
276 #define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP Processor */
277 #define EM_MANIK 171 /* M2000 Reconfigurable RISC Microprocessor */
278 #define EM_CRAYNV2 172 /* Cray Inc. NV2 vector architecture */
279 #define EM_RX 173 /* Renesas RX family */
280 #define EM_METAG 174 /* Imagination Technologies Meta processor architecture */
281 #define EM_MCST_ELBRUS 175 /* MCST Elbrus general purpose hardware architecture */
282 #define EM_ECOG16 176 /* Cyan Technology eCOG16 family */
283 #define EM_CR16 177 /* National Semiconductor CompactRISC 16-bit processor */
284 #define EM_ETPU 178 /* Freescale Extended Time Processing Unit */
285 #define EM_SLE9X 179 /* Infineon Technologies SLE9X core */
286 #define EM_L1OM 180 /* Intel L1OM */
287 #define EM_K1OM 181 /* Intel K1OM */
288 #define EM_INTEL182 182 /* Reserved by Intel */
289 #define EM_AARCH64 183 /* ARM 64-bit architecture */
290 #define EM_ARM184 184 /* Reserved by ARM */
291 #define EM_AVR32 185 /* Atmel Corporation 32-bit microprocessor family */
292 #define EM_STM8 186 /* STMicroeletronics STM8 8-bit microcontroller */
293 #define EM_TILE64 187 /* Tilera TILE64 multicore architecture family */
294 #define EM_TILEPRO 188 /* Tilera TILEPro multicore architecture family */
295 #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */
296 #define EM_CUDA 190 /* NVIDIA CUDA architecture */
297 #define EM_TILEGX 191 /* Tilera TILE-Gx multicore architecture family */
298 #define EM_ARC_COMPACT2 195 /* Synopsys ARCompact V2 */
299 #define EM_RL78 197 /* Renesas RL78 family. */
300 #define EM_78K0R 199 /* Renesas 78K0R. */
301 #define EM_INTEL205 205 /* Reserved by Intel */
302 #define EM_INTEL206 206 /* Reserved by Intel */
303 #define EM_INTEL207 207 /* Reserved by Intel */
304 #define EM_INTEL208 208 /* Reserved by Intel */
305 #define EM_INTEL209 209 /* Reserved by Intel */
306 #define EM_VISIUM 221 /* Controls and Data Services VISIUMcore processor */
307 #define EM_FT32 222 /* FTDI Chip FT32 high performance 32-bit RISC architecture */
308 #define EM_MOXIE 223 /* Moxie processor family */
310 /* If it is necessary to assign new unofficial EM_* values, please pick large
311 random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
312 with official or non-GNU unofficial values.
314 NOTE: Do not just increment the most recent number by one.
315 Somebody else somewhere will do exactly the same thing, and you
316 will have a collision. Instead, pick a random number.
318 Normally, each entity or maintainer responsible for a machine with an
319 unofficial e_machine number should eventually ask registry@sco.com for
320 an officially blessed number to be added to the list above. */
322 /* Old version of Sparc v9, from before the ABI;
323 This should be removed shortly. */
324 #define EM_OLD_SPARCV9 11
326 /* Old version of PowerPC, this should be removed shortly. */
327 #define EM_PPC_OLD 17
332 /* Old, unofficial value for National Semiconductor CompactRISC - CR16 */
333 #define EM_CR16_OLD 115
335 /* AVR magic number. Written in the absense of an ABI. */
336 #define EM_AVR_OLD 0x1057
338 /* MSP430 magic number. Written in the absense of everything. */
339 #define EM_MSP430_OLD 0x1059
341 /* Morpho MT. Written in the absense of an ABI. */
344 /* FR30 magic number - no EABI available. */
345 #define EM_CYGNUS_FR30 0x3330
347 /* DLX magic number. Written in the absense of an ABI. */
348 #define EM_DLX 0x5aa5
350 /* FRV magic number - no EABI available??. */
351 #define EM_CYGNUS_FRV 0x5441
353 /* Infineon Technologies 16-bit microcontroller with C166-V2 core. */
354 #define EM_XC16X 0x4688
356 /* D10V backend magic number. Written in the absence of an ABI. */
357 #define EM_CYGNUS_D10V 0x7650
359 /* D30V backend magic number. Written in the absence of an ABI. */
360 #define EM_CYGNUS_D30V 0x7676
362 /* Ubicom IP2xxx; Written in the absense of an ABI. */
363 #define EM_IP2K_OLD 0x8217
365 /* Cygnus PowerPC ELF backend. Written in the absence of an ABI. */
366 #define EM_CYGNUS_POWERPC 0x9025
368 /* Alpha backend magic number. Written in the absence of an ABI. */
369 #define EM_ALPHA 0x9026
371 /* Cygnus M32R ELF backend. Written in the absence of an ABI. */
372 #define EM_CYGNUS_M32R 0x9041
374 /* V850 backend magic number. Written in the absense of an ABI. */
375 #define EM_CYGNUS_V850 0x9080
377 /* old S/390 backend magic number. Written in the absence of an ABI. */
378 #define EM_S390_OLD 0xa390
380 /* Old, unofficial value for Xtensa. */
381 #define EM_XTENSA_OLD 0xabc7
383 #define EM_XSTORMY16 0xad45
385 /* mn10200 and mn10300 backend magic numbers.
386 Written in the absense of an ABI. */
387 #define EM_CYGNUS_MN10300 0xbeef
388 #define EM_CYGNUS_MN10200 0xdead
390 /* Renesas M32C and M16C. */
391 #define EM_M32C_OLD 0xFEB0
393 /* Vitesse IQ2000. */
394 #define EM_IQ2000 0xFEBA
396 /* NIOS magic number - no EABI available. */
397 #define EM_NIOS32 0xFEBB
399 #define EM_CYGNUS_MEP 0xF00D /* Toshiba MeP */
401 /* Old, unofficial value for Moxie. */
402 #define EM_MOXIE_OLD 0xFEED
404 /* Old Sunplus S+core7 backend magic number. Written in the absence of an ABI. */
405 #define EM_SCORE_OLD 95
407 #define EM_MICROBLAZE_OLD 0xbaab /* Old MicroBlaze */
409 #define EM_ADAPTEVA_EPIPHANY 0x1223 /* Adapteva's Epiphany architecture. */
411 /* Old constant that might be in use by some software. */
412 #define EM_OPENRISC EM_OR1K
414 /* See the above comment before you add a new EM_* value here. */
416 /* Values for e_version. */
418 #define EV_NONE 0 /* Invalid ELF version */
419 #define EV_CURRENT 1 /* Current version */
421 /* Value for e_phnum. */
422 #define PN_XNUM 0xffff /* Extended numbering */
424 /* Values for program header, p_type field. */
426 #define PT_NULL 0 /* Program header table entry unused */
427 #define PT_LOAD 1 /* Loadable program segment */
428 #define PT_DYNAMIC 2 /* Dynamic linking information */
429 #define PT_INTERP 3 /* Program interpreter */
430 #define PT_NOTE 4 /* Auxiliary information */
431 #define PT_SHLIB 5 /* Reserved, unspecified semantics */
432 #define PT_PHDR 6 /* Entry for header table itself */
433 #define PT_TLS 7 /* Thread local storage segment */
434 #define PT_LOOS 0x60000000 /* OS-specific */
435 #define PT_HIOS 0x6fffffff /* OS-specific */
436 #define PT_LOPROC 0x70000000 /* Processor-specific */
437 #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
439 #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */
440 #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
441 #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
442 #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */
444 /* Program segment permissions, in program header p_flags field. */
446 #define PF_X (1 << 0) /* Segment is executable */
447 #define PF_W (1 << 1) /* Segment is writable */
448 #define PF_R (1 << 2) /* Segment is readable */
449 /* #define PF_MASKOS 0x0F000000 *//* OS-specific reserved bits */
450 #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
451 #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
453 /* Values for section header, sh_type field. */
455 #define SHT_NULL 0 /* Section header table entry unused */
456 #define SHT_PROGBITS 1 /* Program specific (private) data */
457 #define SHT_SYMTAB 2 /* Link editing symbol table */
458 #define SHT_STRTAB 3 /* A string table */
459 #define SHT_RELA 4 /* Relocation entries with addends */
460 #define SHT_HASH 5 /* A symbol hash table */
461 #define SHT_DYNAMIC 6 /* Information for dynamic linking */
462 #define SHT_NOTE 7 /* Information that marks file */
463 #define SHT_NOBITS 8 /* Section occupies no space in file */
464 #define SHT_REL 9 /* Relocation entries, no addends */
465 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
466 #define SHT_DYNSYM 11 /* Dynamic linking symbol table */
468 #define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */
469 #define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */
470 #define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */
471 #define SHT_GROUP 17 /* Section contains a section group */
472 #define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */
474 #define SHT_LOOS 0x60000000 /* First of OS specific semantics */
475 #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
477 #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* incremental build data */
478 #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */
479 #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */
480 #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */
482 /* The next three section types are defined by Solaris, and are named
483 SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU*
485 #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
486 #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
487 #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
489 #define SHT_GNU_verdef SHT_SUNW_verdef
490 #define SHT_GNU_verneed SHT_SUNW_verneed
491 #define SHT_GNU_versym SHT_SUNW_versym
493 #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
494 #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
495 #define SHT_LOUSER 0x80000000 /* Application-specific semantics */
496 /* #define SHT_HIUSER 0x8FFFFFFF *//* Application-specific semantics */
497 #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */
499 /* Values for section header, sh_flags field. */
501 #define SHF_WRITE (1 << 0) /* Writable data during execution */
502 #define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
503 #define SHF_EXECINSTR (1 << 2) /* Executable machine instructions */
504 #define SHF_MERGE (1 << 4) /* Data in this section can be merged */
505 #define SHF_STRINGS (1 << 5) /* Contains null terminated character strings */
506 #define SHF_INFO_LINK (1 << 6) /* sh_info holds section header table index */
507 #define SHF_LINK_ORDER (1 << 7) /* Preserve section ordering when linking */
508 #define SHF_OS_NONCONFORMING (1 << 8) /* OS specific processing required */
509 #define SHF_GROUP (1 << 9) /* Member of a section group */
510 #define SHF_TLS (1 << 10) /* Thread local storage section */
511 #define SHF_COMPRESSED (1 << 11) /* Section with compressed data */
513 /* #define SHF_MASKOS 0x0F000000 *//* OS-specific semantics */
514 #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
515 #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
517 /* This used to be implemented as a processor specific section flag.
518 We just make it generic. */
519 #define SHF_EXCLUDE 0x80000000 /* Link editor is to exclude
520 this section from executable
521 and shared library that it
522 builds when those objects
523 are not to be further
526 /* Compression types */
527 #define ELFCOMPRESS_ZLIB 1 /* Compressed with zlib. */
528 #define ELFCOMPRESS_LOOS 0x60000000 /* OS-specific semantics, lo */
529 #define ELFCOMPRESS_HIOS 0x6FFFFFFF /* OS-specific semantics, hi */
530 #define ELFCOMPRESS_LOPROC 0x70000000 /* Processor-specific semantics, lo */
531 #define ELFCOMPRESS_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
533 /* Values of note segment descriptor types for core files. */
535 #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
536 #define NT_FPREGSET 2 /* Contains copy of fpregset struct */
537 #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
538 #define NT_TASKSTRUCT 4 /* Contains copy of task struct */
539 #define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */
540 #define NT_PRXFPREG 0x46e62b7f /* Contains a user_xfpregs_struct; */
541 /* note name must be "LINUX". */
542 #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */
543 /* note name must be "LINUX". */
544 #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
545 /* note name must be "LINUX". */
546 #define NT_386_TLS 0x200 /* x86 TLS information */
547 /* note name must be "LINUX". */
548 #define NT_386_IOPERM 0x201 /* x86 io permissions */
549 /* note name must be "LINUX". */
550 #define NT_X86_XSTATE 0x202 /* x86 XSAVE extended state */
551 /* note name must be "LINUX". */
552 #define NT_S390_HIGH_GPRS 0x300 /* S/390 upper halves of GPRs */
553 /* note name must be "LINUX". */
554 #define NT_S390_TIMER 0x301 /* S390 timer */
555 /* note name must be "LINUX". */
556 #define NT_S390_TODCMP 0x302 /* S390 TOD clock comparator */
557 /* note name must be "LINUX". */
558 #define NT_S390_TODPREG 0x303 /* S390 TOD programmable register */
559 /* note name must be "LINUX". */
560 #define NT_S390_CTRS 0x304 /* S390 control registers */
561 /* note name must be "LINUX". */
562 #define NT_S390_PREFIX 0x305 /* S390 prefix register */
563 /* note name must be "LINUX". */
564 #define NT_S390_LAST_BREAK 0x306 /* S390 breaking event address */
565 /* note name must be "LINUX". */
566 #define NT_S390_SYSTEM_CALL 0x307 /* S390 system call restart data */
567 /* note name must be "LINUX". */
568 #define NT_S390_TDB 0x308 /* S390 transaction diagnostic block */
569 /* note name must be "LINUX". */
570 #define NT_S390_VXRS_LOW 0x309 /* S390 vector registers 0-15 upper half */
571 /* note name must be "LINUX". */
572 #define NT_S390_VXRS_HIGH 0x30a /* S390 vector registers 16-31 */
573 /* note name must be "LINUX". */
574 #define NT_ARM_VFP 0x400 /* ARM VFP registers */
575 /* The following definitions should really use NT_AARCH_..., but defined
576 this way for compatibility with Linux. */
577 #define NT_ARM_TLS 0x401 /* AArch TLS registers */
578 /* note name must be "LINUX". */
579 #define NT_ARM_HW_BREAK 0x402 /* AArch hardware breakpoint registers */
580 /* note name must be "LINUX". */
581 #define NT_ARM_HW_WATCH 0x403 /* AArch hardware watchpoint registers */
582 /* note name must be "LINUX". */
583 #define NT_SIGINFO 0x53494749 /* Fields of siginfo_t. */
584 #define NT_FILE 0x46494c45 /* Description of mapped files. */
586 /* Note segments for core files on dir-style procfs systems. */
588 #define NT_PSTATUS 10 /* Has a struct pstatus */
589 #define NT_FPREGS 12 /* Has a struct fpregset */
590 #define NT_PSINFO 13 /* Has a struct psinfo */
591 #define NT_LWPSTATUS 16 /* Has a struct lwpstatus_t */
592 #define NT_LWPSINFO 17 /* Has a struct lwpsinfo_t */
593 #define NT_WIN32PSTATUS 18 /* Has a struct win32_pstatus */
595 /* Note segment for SystemTap probes. */
598 /* Note segments for core files on FreeBSD systems. Note name is
601 #define NT_FREEBSD_THRMISC 7 /* Thread miscellaneous info. */
602 #define NT_FREEBSD_PROCSTAT_PROC 8 /* Procstat proc data. */
603 #define NT_FREEBSD_PROCSTAT_FILES 9 /* Procstat files data. */
604 #define NT_FREEBSD_PROCSTAT_VMMAP 10 /* Procstat vmmap data. */
605 #define NT_FREEBSD_PROCSTAT_GROUPS 11 /* Procstat groups data. */
606 #define NT_FREEBSD_PROCSTAT_UMASK 12 /* Procstat umask data. */
607 #define NT_FREEBSD_PROCSTAT_RLIMIT 13 /* Procstat rlimit data. */
608 #define NT_FREEBSD_PROCSTAT_OSREL 14 /* Procstat osreldate data. */
609 #define NT_FREEBSD_PROCSTAT_PSSTRINGS 15 /* Procstat ps_strings data. */
610 #define NT_FREEBSD_PROCSTAT_AUXV 16 /* Procstat auxv data. */
612 /* Note segments for core files on NetBSD systems. Note name
613 must start with "NetBSD-CORE". */
615 #define NT_NETBSDCORE_PROCINFO 1 /* Has a struct procinfo */
616 #define NT_NETBSDCORE_FIRSTMACH 32 /* start of machdep note types */
619 /* Note segments for core files on OpenBSD systems. Note name is
622 #define NT_OPENBSD_PROCINFO 10
623 #define NT_OPENBSD_AUXV 11
624 #define NT_OPENBSD_REGS 20
625 #define NT_OPENBSD_FPREGS 21
626 #define NT_OPENBSD_XFPREGS 22
627 #define NT_OPENBSD_WCOOKIE 23
630 /* Note segments for core files on SPU systems. Note name
631 must start with "SPU/". */
635 /* Values of note segment descriptor types for object files. */
637 #define NT_VERSION 1 /* Contains a version string. */
638 #define NT_ARCH 2 /* Contains an architecture string. */
640 /* Values for notes in non-core files using name "GNU". */
642 #define NT_GNU_ABI_TAG 1
643 #define NT_GNU_HWCAP 2 /* Used by ld.so and kernel vDSO. */
644 #define NT_GNU_BUILD_ID 3 /* Generated by ld --build-id. */
645 #define NT_GNU_GOLD_VERSION 4 /* Generated by gold. */
647 /* Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG). */
648 #define GNU_ABI_TAG_LINUX 0
649 #define GNU_ABI_TAG_HURD 1
650 #define GNU_ABI_TAG_SOLARIS 2
651 #define GNU_ABI_TAG_FREEBSD 3
652 #define GNU_ABI_TAG_NETBSD 4
653 #define GNU_ABI_TAG_SYLLABLE 5
654 #define GNU_ABI_TAG_NACL 6
656 /* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */
658 #define NT_NETBSD_IDENT 1
659 #define NT_NETBSD_MARCH 5
661 /* Values for OpenBSD .note.openbsd.ident notes. Note name is "OpenBSD". */
663 #define NT_OPENBSD_IDENT 1
665 /* Values for FreeBSD .note.ABI-tag notes. Note name is "FreeBSD". */
667 #define NT_FREEBSD_ABI_TAG 1
669 /* These three macros disassemble and assemble a symbol table st_info field,
670 which contains the symbol binding and symbol type. The STB_ and STT_
671 defines identify the binding and type. */
673 #define ELF_ST_BIND(val) (((unsigned int)(val)) >> 4)
674 #define ELF_ST_TYPE(val) ((val) & 0xF)
675 #define ELF_ST_INFO(bind,type) (((bind) << 4) + ((type) & 0xF))
677 /* The 64bit and 32bit versions of these macros are identical, but
678 the ELF spec defines them, so here they are. */
679 #define ELF32_ST_BIND ELF_ST_BIND
680 #define ELF32_ST_TYPE ELF_ST_TYPE
681 #define ELF32_ST_INFO ELF_ST_INFO
682 #define ELF64_ST_BIND ELF_ST_BIND
683 #define ELF64_ST_TYPE ELF_ST_TYPE
684 #define ELF64_ST_INFO ELF_ST_INFO
686 /* This macro disassembles and assembles a symbol's visibility into
687 the st_other field. The STV_ defines specify the actual visibility. */
689 #define ELF_ST_VISIBILITY(v) ((v) & 0x3)
690 /* The remaining bits in the st_other field are not currently used.
691 They should be set to zero. */
693 #define ELF32_ST_VISIBILITY ELF_ST_VISIBILITY
694 #define ELF64_ST_VISIBILITY ELF_ST_VISIBILITY
697 #define STN_UNDEF 0 /* Undefined symbol index */
699 #define STB_LOCAL 0 /* Symbol not visible outside obj */
700 #define STB_GLOBAL 1 /* Symbol visible outside obj */
701 #define STB_WEAK 2 /* Like globals, lower precedence */
702 #define STB_LOOS 10 /* OS-specific semantics */
703 #define STB_GNU_UNIQUE 10 /* Symbol is unique in namespace */
704 #define STB_HIOS 12 /* OS-specific semantics */
705 #define STB_LOPROC 13 /* Processor-specific semantics */
706 #define STB_HIPROC 15 /* Processor-specific semantics */
708 #define STT_NOTYPE 0 /* Symbol type is unspecified */
709 #define STT_OBJECT 1 /* Symbol is a data object */
710 #define STT_FUNC 2 /* Symbol is a code object */
711 #define STT_SECTION 3 /* Symbol associated with a section */
712 #define STT_FILE 4 /* Symbol gives a file name */
713 #define STT_COMMON 5 /* An uninitialised common block */
714 #define STT_TLS 6 /* Thread local data object */
715 #define STT_RELC 8 /* Complex relocation expression */
716 #define STT_SRELC 9 /* Signed Complex relocation expression */
717 #define STT_LOOS 10 /* OS-specific semantics */
718 #define STT_GNU_IFUNC 10 /* Symbol is an indirect code object */
719 #define STT_HIOS 12 /* OS-specific semantics */
720 #define STT_LOPROC 13 /* Processor-specific semantics */
721 #define STT_HIPROC 15 /* Processor-specific semantics */
723 /* The following constants control how a symbol may be accessed once it has
724 become part of an executable or shared library. */
726 #define STV_DEFAULT 0 /* Visibility is specified by binding type */
727 #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */
728 #define STV_HIDDEN 2 /* Can only be seen inside currect component */
729 #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */
731 /* Relocation info handling macros. */
733 #define ELF32_R_SYM(i) ((i) >> 8)
734 #define ELF32_R_TYPE(i) ((i) & 0xff)
735 #define ELF32_R_INFO(s,t) (((s) << 8) + ((t) & 0xff))
737 #define ELF64_R_SYM(i) ((i) >> 32)
738 #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
739 #define ELF64_R_INFO(s,t) (((bfd_vma) (s) << 31 << 1) + (bfd_vma) (t))
741 /* Dynamic section tags. */
745 #define DT_PLTRELSZ 2
759 #define DT_SYMBOLIC 16
765 #define DT_TEXTREL 22
767 #define DT_BIND_NOW 24
768 #define DT_INIT_ARRAY 25
769 #define DT_FINI_ARRAY 26
770 #define DT_INIT_ARRAYSZ 27
771 #define DT_FINI_ARRAYSZ 28
772 #define DT_RUNPATH 29
774 #define DT_ENCODING 32
775 #define DT_PREINIT_ARRAY 32
776 #define DT_PREINIT_ARRAYSZ 33
778 /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
779 for DT_LOOS and DT_HIOS. Some implementations however, use
780 values outside of the new range (see below). */
781 #define OLD_DT_LOOS 0x60000000
782 #define DT_LOOS 0x6000000d
783 #define DT_HIOS 0x6ffff000
784 #define OLD_DT_HIOS 0x6fffffff
786 #define DT_LOPROC 0x70000000
787 #define DT_HIPROC 0x7fffffff
789 /* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to
790 DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI),
791 are used on Solaris. We support them everywhere. Note these values
792 lie outside of the (new) range for OS specific values. This is a
793 deliberate special case and we maintain it for backwards compatability.
795 #define DT_VALRNGLO 0x6ffffd00
796 #define DT_GNU_PRELINKED 0x6ffffdf5
797 #define DT_GNU_CONFLICTSZ 0x6ffffdf6
798 #define DT_GNU_LIBLISTSZ 0x6ffffdf7
799 #define DT_CHECKSUM 0x6ffffdf8
800 #define DT_PLTPADSZ 0x6ffffdf9
801 #define DT_MOVEENT 0x6ffffdfa
802 #define DT_MOVESZ 0x6ffffdfb
803 #define DT_FEATURE 0x6ffffdfc
804 #define DT_POSFLAG_1 0x6ffffdfd
805 #define DT_SYMINSZ 0x6ffffdfe
806 #define DT_SYMINENT 0x6ffffdff
807 #define DT_VALRNGHI 0x6ffffdff
809 #define DT_ADDRRNGLO 0x6ffffe00
810 #define DT_GNU_HASH 0x6ffffef5
811 #define DT_TLSDESC_PLT 0x6ffffef6
812 #define DT_TLSDESC_GOT 0x6ffffef7
813 #define DT_GNU_CONFLICT 0x6ffffef8
814 #define DT_GNU_LIBLIST 0x6ffffef9
815 #define DT_CONFIG 0x6ffffefa
816 #define DT_DEPAUDIT 0x6ffffefb
817 #define DT_AUDIT 0x6ffffefc
818 #define DT_PLTPAD 0x6ffffefd
819 #define DT_MOVETAB 0x6ffffefe
820 #define DT_SYMINFO 0x6ffffeff
821 #define DT_ADDRRNGHI 0x6ffffeff
823 #define DT_RELACOUNT 0x6ffffff9
824 #define DT_RELCOUNT 0x6ffffffa
825 #define DT_FLAGS_1 0x6ffffffb
826 #define DT_VERDEF 0x6ffffffc
827 #define DT_VERDEFNUM 0x6ffffffd
828 #define DT_VERNEED 0x6ffffffe
829 #define DT_VERNEEDNUM 0x6fffffff
831 /* This tag is a GNU extension to the Solaris version scheme. */
832 #define DT_VERSYM 0x6ffffff0
834 #define DT_LOPROC 0x70000000
835 #define DT_HIPROC 0x7fffffff
837 /* These section tags are used on Solaris. We support them
838 everywhere, and hope they do not conflict. */
840 #define DT_AUXILIARY 0x7ffffffd
841 #define DT_USED 0x7ffffffe
842 #define DT_FILTER 0x7fffffff
845 /* Values used in DT_FEATURE .dynamic entry. */
846 #define DTF_1_PARINIT 0x00000001
849 http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
851 DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
852 defined here is the same as the one in <sys/link.h> on Solaris 8. */
853 #define DTF_1_CONFEXP 0x00000002
855 /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */
856 #define DF_P1_LAZYLOAD 0x00000001
857 #define DF_P1_GROUPPERM 0x00000002
859 /* Flag value in in the DT_FLAGS_1 .dynamic entry. */
860 #define DF_1_NOW 0x00000001
861 #define DF_1_GLOBAL 0x00000002
862 #define DF_1_GROUP 0x00000004
863 #define DF_1_NODELETE 0x00000008
864 #define DF_1_LOADFLTR 0x00000010
865 #define DF_1_INITFIRST 0x00000020
866 #define DF_1_NOOPEN 0x00000040
867 #define DF_1_ORIGIN 0x00000080
868 #define DF_1_DIRECT 0x00000100
869 #define DF_1_TRANS 0x00000200
870 #define DF_1_INTERPOSE 0x00000400
871 #define DF_1_NODEFLIB 0x00000800
872 #define DF_1_NODUMP 0x00001000
873 #define DF_1_CONFALT 0x00002000
874 #define DF_1_ENDFILTEE 0x00004000
875 #define DF_1_DISPRELDNE 0x00008000
876 #define DF_1_DISPRELPND 0x00010000
877 #define DF_1_NODIRECT 0x00020000
878 #define DF_1_IGNMULDEF 0x00040000
879 #define DF_1_NOKSYMS 0x00080000
880 #define DF_1_NOHDR 0x00100000
881 #define DF_1_EDITED 0x00200000
882 #define DF_1_NORELOC 0x00400000
883 #define DF_1_SYMINTPOSE 0x00800000
884 #define DF_1_GLOBAUDIT 0x01000000
885 #define DF_1_SINGLETON 0x02000000
886 #define DF_1_STUB 0x04000000
887 #define DF_1_PIE 0x08000000
889 /* Flag values for the DT_FLAGS entry. */
890 #define DF_ORIGIN (1 << 0)
891 #define DF_SYMBOLIC (1 << 1)
892 #define DF_TEXTREL (1 << 2)
893 #define DF_BIND_NOW (1 << 3)
894 #define DF_STATIC_TLS (1 << 4)
896 /* These constants are used for the version number of a Elf32_Verdef
899 #define VER_DEF_NONE 0
900 #define VER_DEF_CURRENT 1
902 /* These constants appear in the vd_flags field of a Elf32_Verdef
905 Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format,
906 Versioning Sections, for a description:
908 http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view */
910 #define VER_FLG_BASE 0x1
911 #define VER_FLG_WEAK 0x2
912 #define VER_FLG_INFO 0x4
914 /* These special constants can be found in an Elf32_Versym field. */
916 #define VER_NDX_LOCAL 0
917 #define VER_NDX_GLOBAL 1
919 /* These constants are used for the version number of a Elf32_Verneed
922 #define VER_NEED_NONE 0
923 #define VER_NEED_CURRENT 1
925 /* This flag appears in a Versym structure. It means that the symbol
926 is hidden, and is only visible with an explicit version number.
927 This is a GNU extension. */
929 #define VERSYM_HIDDEN 0x8000
931 /* This is the mask for the rest of the Versym information. */
933 #define VERSYM_VERSION 0x7fff
935 /* This is a special token which appears as part of a symbol name. It
936 indictes that the rest of the name is actually the name of a
937 version node, and is not part of the actual name. This is a GNU
938 extension. For example, the symbol name `stat@ver2' is taken to
939 mean the symbol `stat' in version `ver2'. */
941 #define ELF_VER_CHR '@'
943 /* Possible values for si_boundto. */
945 #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
946 #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
947 #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
949 /* Possible bitmasks for si_flags. */
951 #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
952 #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
953 #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
954 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */
956 /* Syminfo version values. */
958 #define SYMINFO_NONE 0
959 #define SYMINFO_CURRENT 1
960 #define SYMINFO_NUM 2
962 /* Section Group Flags. */
964 #define GRP_COMDAT 0x1 /* A COMDAT group */
966 /* Auxv a_type values. */
968 #define AT_NULL 0 /* End of vector */
969 #define AT_IGNORE 1 /* Entry should be ignored */
970 #define AT_EXECFD 2 /* File descriptor of program */
971 #define AT_PHDR 3 /* Program headers for program */
972 #define AT_PHENT 4 /* Size of program header entry */
973 #define AT_PHNUM 5 /* Number of program headers */
974 #define AT_PAGESZ 6 /* System page size */
975 #define AT_BASE 7 /* Base address of interpreter */
976 #define AT_FLAGS 8 /* Flags */
977 #define AT_ENTRY 9 /* Entry point of program */
978 #define AT_NOTELF 10 /* Program is not ELF */
979 #define AT_UID 11 /* Real uid */
980 #define AT_EUID 12 /* Effective uid */
981 #define AT_GID 13 /* Real gid */
982 #define AT_EGID 14 /* Effective gid */
983 #define AT_CLKTCK 17 /* Frequency of times() */
984 #define AT_PLATFORM 15 /* String identifying platform. */
985 #define AT_HWCAP 16 /* Machine dependent hints about
986 processor capabilities. */
987 #define AT_FPUCW 18 /* Used FPU control word. */
988 #define AT_DCACHEBSIZE 19 /* Data cache block size. */
989 #define AT_ICACHEBSIZE 20 /* Instruction cache block size. */
990 #define AT_UCACHEBSIZE 21 /* Unified cache block size. */
991 #define AT_IGNOREPPC 22 /* Entry should be ignored */
992 #define AT_SECURE 23 /* Boolean, was exec setuid-like? */
993 #define AT_BASE_PLATFORM 24 /* String identifying real platform,
994 may differ from AT_PLATFORM. */
995 #define AT_RANDOM 25 /* Address of 16 random bytes. */
996 #define AT_HWCAP2 26 /* Extension of AT_HWCAP. */
997 #define AT_EXECFN 31 /* Filename of executable. */
998 /* Pointer to the global system page used for system calls and other
1000 #define AT_SYSINFO 32
1001 #define AT_SYSINFO_EHDR 33 /* Pointer to ELF header of system-supplied DSO. */
1003 /* More complete cache descriptions than AT_[DIU]CACHEBSIZE. If the
1004 value is -1, then the cache doesn't exist. Otherwise:
1006 bit 0-3: Cache set-associativity; 0 means fully associative.
1007 bit 4-7: Log2 of cacheline size.
1008 bit 8-31: Size of the entire cache >> 8. */
1010 #define AT_L1I_CACHESHAPE 34
1011 #define AT_L1D_CACHESHAPE 35
1012 #define AT_L2_CACHESHAPE 36
1013 #define AT_L3_CACHESHAPE 37
1015 #define AT_SUN_UID 2000 /* Effective user ID. */
1016 #define AT_SUN_RUID 2001 /* Real user ID. */
1017 #define AT_SUN_GID 2002 /* Effective group ID. */
1018 #define AT_SUN_RGID 2003 /* Real group ID. */
1019 #define AT_SUN_LDELF 2004 /* Dynamic linker's ELF header. */
1020 #define AT_SUN_LDSHDR 2005 /* Dynamic linker's section headers. */
1021 #define AT_SUN_LDNAME 2006 /* String giving name of dynamic linker. */
1022 #define AT_SUN_LPAGESZ 2007 /* Large pagesize. */
1023 #define AT_SUN_PLATFORM 2008 /* Platform name string. */
1024 #define AT_SUN_HWCAP 2009 /* Machine dependent hints about
1025 processor capabilities. */
1026 #define AT_SUN_IFLUSH 2010 /* Should flush icache? */
1027 #define AT_SUN_CPU 2011 /* CPU name string. */
1028 #define AT_SUN_EMUL_ENTRY 2012 /* COFF entry point address. */
1029 #define AT_SUN_EMUL_EXECFD 2013 /* COFF executable file descriptor. */
1030 #define AT_SUN_EXECNAME 2014 /* Canonicalized file name given to execve. */
1031 #define AT_SUN_MMU 2015 /* String for name of MMU module. */
1032 #define AT_SUN_LDDATA 2016 /* Dynamic linker's data segment address. */
1033 #define AT_SUN_AUXFLAGS 2017 /* AF_SUN_ flags passed from the kernel. */
1036 #endif /* _ELF_COMMON_H */
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