1 /* ELF support for BFD.
2    Copyright (C) 1991-2016 Free Software Foundation, Inc.
3 
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".
7 
8    This file is part of BFD, the Binary File Descriptor library.
9 
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.
14 
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.
19 
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.  */
24 
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.  */
29 
30 #ifndef _ELF_COMMON_H
31 #define _ELF_COMMON_H
32 
33 /* Fields in e_ident[].  */
34 
35 #define EI_MAG0		0	/* File identification byte 0 index */
36 #define ELFMAG0		   0x7F	/* Magic number byte 0 */
37 
38 #define EI_MAG1		1	/* File identification byte 1 index */
39 #define ELFMAG1		    'E'	/* Magic number byte 1 */
40 
41 #define EI_MAG2		2	/* File identification byte 2 index */
42 #define ELFMAG2		    'L'	/* Magic number byte 2 */
43 
44 #define EI_MAG3		3	/* File identification byte 3 index */
45 #define ELFMAG3		    'F'	/* Magic number byte 3 */
46 
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 */
51 
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 */
56 
57 #define EI_VERSION	6	/* File version */
58 
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 */
81 
82 #define EI_ABIVERSION	8	/* ABI version */
83 
84 #define EI_PAD		9	/* Start of padding bytes */
85 
86 
87 /* Values for e_type, which identifies the object file type.  */
88 
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 */
98 
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.  */
102 
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 */
309 
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.
313 
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.
317 
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.	*/
321 
322 /* Old version of Sparc v9, from before the ABI;
323    This should be removed shortly.  */
324 #define EM_OLD_SPARCV9		11
325 
326 /* Old version of PowerPC, this should be removed shortly. */
327 #define EM_PPC_OLD		17
328 
329 /* picoJava */
330 #define EM_PJ_OLD		99
331 
332 /* Old, unofficial value for National Semiconductor CompactRISC - CR16 */
333 #define EM_CR16_OLD		115
334 
335 /* AVR magic number.  Written in the absense of an ABI.  */
336 #define EM_AVR_OLD		0x1057
337 
338 /* MSP430 magic number.  Written in the absense of everything.  */
339 #define EM_MSP430_OLD		0x1059
340 
341 /* Morpho MT.   Written in the absense of an ABI.  */
342 #define EM_MT			0x2530
343 
344 /* FR30 magic number - no EABI available.  */
345 #define EM_CYGNUS_FR30		0x3330
346 
347 /* DLX magic number.  Written in the absense of an ABI.  */
348 #define EM_DLX			0x5aa5
349 
350 /* FRV magic number - no EABI available??.  */
351 #define EM_CYGNUS_FRV		0x5441
352 
353 /* Infineon Technologies 16-bit microcontroller with C166-V2 core.  */
354 #define EM_XC16X		0x4688
355 
356 /* D10V backend magic number.  Written in the absence of an ABI.  */
357 #define EM_CYGNUS_D10V		0x7650
358 
359 /* D30V backend magic number.  Written in the absence of an ABI.  */
360 #define EM_CYGNUS_D30V		0x7676
361 
362 /* Ubicom IP2xxx;   Written in the absense of an ABI.  */
363 #define EM_IP2K_OLD		0x8217
364 
365 /* Cygnus PowerPC ELF backend.  Written in the absence of an ABI.  */
366 #define EM_CYGNUS_POWERPC	0x9025
367 
368 /* Alpha backend magic number.  Written in the absence of an ABI.  */
369 #define EM_ALPHA		0x9026
370 
371 /* Cygnus M32R ELF backend.  Written in the absence of an ABI.  */
372 #define EM_CYGNUS_M32R		0x9041
373 
374 /* V850 backend magic number.  Written in the absense of an ABI.  */
375 #define EM_CYGNUS_V850		0x9080
376 
377 /* old S/390 backend magic number. Written in the absence of an ABI.  */
378 #define EM_S390_OLD		0xa390
379 
380 /* Old, unofficial value for Xtensa.  */
381 #define EM_XTENSA_OLD		0xabc7
382 
383 #define EM_XSTORMY16		0xad45
384 
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
389 
390 /* Renesas M32C and M16C.  */
391 #define EM_M32C_OLD		0xFEB0
392 
393 /* Vitesse IQ2000.  */
394 #define EM_IQ2000		0xFEBA
395 
396 /* NIOS magic number - no EABI available.  */
397 #define EM_NIOS32		0xFEBB
398 
399 #define EM_CYGNUS_MEP		0xF00D  /* Toshiba MeP */
400 
401 /* Old, unofficial value for Moxie.  */
402 #define EM_MOXIE_OLD            0xFEED
403 
404 /* Old Sunplus S+core7 backend magic number. Written in the absence of an ABI.  */
405 #define EM_SCORE_OLD            95
406 
407 #define EM_MICROBLAZE_OLD	0xbaab	/* Old MicroBlaze */
408 
409 #define EM_ADAPTEVA_EPIPHANY   0x1223  /* Adapteva's Epiphany architecture.  */
410 
411 /* Old constant that might be in use by some software. */
412 #define EM_OPENRISC		EM_OR1K
413 
414 /* See the above comment before you add a new EM_* value here.  */
415 
416 /* Values for e_version.  */
417 
418 #define EV_NONE		0		/* Invalid ELF version */
419 #define EV_CURRENT	1		/* Current version */
420 
421 /* Value for e_phnum. */
422 #define PN_XNUM		0xffff		/* Extended numbering */
423 
424 /* Values for program header, p_type field.  */
425 
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 */
438 
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 */
443 
444 /* Program segment permissions, in program header p_flags field.  */
445 
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 */
452 
453 /* Values for section header, sh_type field.  */
454 
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 */
467 
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 */
473 
474 #define SHT_LOOS	0x60000000	/* First of OS specific semantics */
475 #define SHT_HIOS	0x6fffffff	/* Last of OS specific semantics */
476 
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 */
481 
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*
484    versions.  */
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 */
488 
489 #define SHT_GNU_verdef	SHT_SUNW_verdef
490 #define SHT_GNU_verneed	SHT_SUNW_verneed
491 #define SHT_GNU_versym	SHT_SUNW_versym
492 
493 /* Experimental support for SHT_RELR sections. For details, see proposal
494    at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg */
495 #define SHT_RELR	0x6fffff00	/* Relative relocations, only offsets */
496 
497 #define SHT_LOPROC	0x70000000	/* Processor-specific semantics, lo */
498 #define SHT_HIPROC	0x7FFFFFFF	/* Processor-specific semantics, hi */
499 #define SHT_LOUSER	0x80000000	/* Application-specific semantics */
500 /* #define SHT_HIUSER	0x8FFFFFFF    *//* Application-specific semantics */
501 #define SHT_HIUSER	0xFFFFFFFF	/* New value, defined in Oct 4, 1999 Draft */
502 
503 /* Values for section header, sh_flags field.  */
504 
505 #define SHF_WRITE	(1 << 0)	/* Writable data during execution */
506 #define SHF_ALLOC	(1 << 1)	/* Occupies memory during execution */
507 #define SHF_EXECINSTR	(1 << 2)	/* Executable machine instructions */
508 #define SHF_MERGE	(1 << 4)	/* Data in this section can be merged */
509 #define SHF_STRINGS	(1 << 5)	/* Contains null terminated character strings */
510 #define SHF_INFO_LINK	(1 << 6)	/* sh_info holds section header table index */
511 #define SHF_LINK_ORDER	(1 << 7)	/* Preserve section ordering when linking */
512 #define SHF_OS_NONCONFORMING (1 << 8)	/* OS specific processing required */
513 #define SHF_GROUP	(1 << 9)	/* Member of a section group */
514 #define SHF_TLS		(1 << 10)	/* Thread local storage section */
515 #define SHF_COMPRESSED	(1 << 11)	/* Section with compressed data */
516 
517 /* #define SHF_MASKOS	0x0F000000    *//* OS-specific semantics */
518 #define SHF_MASKOS	0x0FF00000	/* New value, Oct 4, 1999 Draft */
519 #define SHF_MASKPROC	0xF0000000	/* Processor-specific semantics */
520 
521 /* This used to be implemented as a processor specific section flag.
522    We just make it generic.  */
523 #define SHF_EXCLUDE	0x80000000	/* Link editor is to exclude
524 					   this section from executable
525 					   and shared library that it
526 					   builds when those objects
527 					   are not to be further
528 					   relocated.  */
529 
530 /* Compression types */
531 #define ELFCOMPRESS_ZLIB   1		/* Compressed with zlib.  */
532 #define ELFCOMPRESS_LOOS   0x60000000	/* OS-specific semantics, lo */
533 #define ELFCOMPRESS_HIOS   0x6FFFFFFF	/* OS-specific semantics, hi */
534 #define ELFCOMPRESS_LOPROC 0x70000000	/* Processor-specific semantics, lo */
535 #define ELFCOMPRESS_HIPROC 0x7FFFFFFF	/* Processor-specific semantics, hi */
536 
537 /* Values of note segment descriptor types for core files.  */
538 
539 #define NT_PRSTATUS	1		/* Contains copy of prstatus struct */
540 #define NT_FPREGSET	2		/* Contains copy of fpregset struct */
541 #define NT_PRPSINFO	3		/* Contains copy of prpsinfo struct */
542 #define NT_TASKSTRUCT	4		/* Contains copy of task struct */
543 #define NT_AUXV		6		/* Contains copy of Elfxx_auxv_t */
544 #define NT_PRXFPREG	0x46e62b7f	/* Contains a user_xfpregs_struct; */
545 					/*   note name must be "LINUX".  */
546 #define NT_PPC_VMX	0x100		/* PowerPC Altivec/VMX registers */
547 					/*   note name must be "LINUX".  */
548 #define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
549 					/*   note name must be "LINUX".  */
550 #define NT_386_TLS	0x200		/* x86 TLS information */
551 					/*   note name must be "LINUX".  */
552 #define NT_386_IOPERM	0x201		/* x86 io permissions */
553 					/*   note name must be "LINUX".  */
554 #define NT_X86_XSTATE	0x202		/* x86 XSAVE extended state */
555 					/*   note name must be "LINUX".  */
556 #define NT_S390_HIGH_GPRS 0x300		/* S/390 upper halves of GPRs  */
557 					/*   note name must be "LINUX".  */
558 #define NT_S390_TIMER	0x301		/* S390 timer */
559 					/*   note name must be "LINUX".  */
560 #define NT_S390_TODCMP	0x302		/* S390 TOD clock comparator */
561 					/*   note name must be "LINUX".  */
562 #define NT_S390_TODPREG	0x303		/* S390 TOD programmable register */
563 					/*   note name must be "LINUX".  */
564 #define NT_S390_CTRS	0x304		/* S390 control registers */
565 					/*   note name must be "LINUX".  */
566 #define NT_S390_PREFIX	0x305		/* S390 prefix register */
567 					/*   note name must be "LINUX".  */
568 #define NT_S390_LAST_BREAK      0x306   /* S390 breaking event address */
569 					/*   note name must be "LINUX".  */
570 #define NT_S390_SYSTEM_CALL     0x307   /* S390 system call restart data */
571 					/*   note name must be "LINUX".  */
572 #define NT_S390_TDB	0x308		/* S390 transaction diagnostic block */
573 					/*   note name must be "LINUX".  */
574 #define NT_S390_VXRS_LOW	0x309	/* S390 vector registers 0-15 upper half */
575 					/*   note name must be "LINUX".  */
576 #define NT_S390_VXRS_HIGH	0x30a	/* S390 vector registers 16-31 */
577 					/*   note name must be "LINUX".  */
578 #define NT_ARM_VFP	0x400		/* ARM VFP registers */
579 /* The following definitions should really use NT_AARCH_..., but defined
580    this way for compatibility with Linux.  */
581 #define NT_ARM_TLS	0x401		/* AArch TLS registers */
582 					/*   note name must be "LINUX".  */
583 #define NT_ARM_HW_BREAK	0x402		/* AArch hardware breakpoint registers */
584 					/*   note name must be "LINUX".  */
585 #define NT_ARM_HW_WATCH	0x403		/* AArch hardware watchpoint registers */
586 					/*   note name must be "LINUX".  */
587 #define NT_SIGINFO	0x53494749	/* Fields of siginfo_t.  */
588 #define NT_FILE		0x46494c45	/* Description of mapped files.  */
589 
590 /* Note segments for core files on dir-style procfs systems.  */
591 
592 #define NT_PSTATUS	10		/* Has a struct pstatus */
593 #define NT_FPREGS	12		/* Has a struct fpregset */
594 #define NT_PSINFO	13		/* Has a struct psinfo */
595 #define NT_LWPSTATUS	16		/* Has a struct lwpstatus_t */
596 #define NT_LWPSINFO	17		/* Has a struct lwpsinfo_t */
597 #define NT_WIN32PSTATUS	18		/* Has a struct win32_pstatus */
598 
599 /* Note segment for SystemTap probes.  */
600 #define NT_STAPSDT	3
601 
602 /* Note segments for core files on FreeBSD systems.  Note name is
603    "FreeBSD".  */
604 
605 #define	NT_FREEBSD_THRMISC	7	/* Thread miscellaneous info. */
606 #define	NT_FREEBSD_PROCSTAT_PROC	8	/* Procstat proc data. */
607 #define	NT_FREEBSD_PROCSTAT_FILES	9	/* Procstat files data. */
608 #define	NT_FREEBSD_PROCSTAT_VMMAP	10	/* Procstat vmmap data. */
609 #define	NT_FREEBSD_PROCSTAT_GROUPS	11	/* Procstat groups data. */
610 #define	NT_FREEBSD_PROCSTAT_UMASK	12	/* Procstat umask data. */
611 #define	NT_FREEBSD_PROCSTAT_RLIMIT	13	/* Procstat rlimit data. */
612 #define	NT_FREEBSD_PROCSTAT_OSREL	14	/* Procstat osreldate data. */
613 #define	NT_FREEBSD_PROCSTAT_PSSTRINGS	15	/* Procstat ps_strings data. */
614 #define	NT_FREEBSD_PROCSTAT_AUXV	16	/* Procstat auxv data. */
615 
616 /* Note segments for core files on NetBSD systems.  Note name
617    must start with "NetBSD-CORE".  */
618 
619 #define NT_NETBSDCORE_PROCINFO	1	/* Has a struct procinfo */
620 #define NT_NETBSDCORE_FIRSTMACH	32	/* start of machdep note types */
621 
622 
623 /* Note segments for core files on OpenBSD systems.  Note name is
624    "OpenBSD".  */
625 
626 #define NT_OPENBSD_PROCINFO	10
627 #define NT_OPENBSD_AUXV		11
628 #define NT_OPENBSD_REGS		20
629 #define NT_OPENBSD_FPREGS	21
630 #define NT_OPENBSD_XFPREGS	22
631 #define NT_OPENBSD_WCOOKIE	23
632 
633 
634 /* Note segments for core files on SPU systems.  Note name
635    must start with "SPU/".  */
636 
637 #define NT_SPU		1
638 
639 /* Values of note segment descriptor types for object files.  */
640 
641 #define NT_VERSION	1		/* Contains a version string.  */
642 #define NT_ARCH		2		/* Contains an architecture string.  */
643 
644 /* Values for notes in non-core files using name "GNU".  */
645 
646 #define NT_GNU_ABI_TAG		1
647 #define NT_GNU_HWCAP		2	/* Used by ld.so and kernel vDSO.  */
648 #define NT_GNU_BUILD_ID		3	/* Generated by ld --build-id.  */
649 #define NT_GNU_GOLD_VERSION	4	/* Generated by gold.  */
650 
651 /* Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG).  */
652 #define GNU_ABI_TAG_LINUX	0
653 #define GNU_ABI_TAG_HURD	1
654 #define GNU_ABI_TAG_SOLARIS	2
655 #define GNU_ABI_TAG_FREEBSD	3
656 #define GNU_ABI_TAG_NETBSD	4
657 #define GNU_ABI_TAG_SYLLABLE	5
658 #define GNU_ABI_TAG_NACL	6
659 
660 /* Values for NetBSD .note.netbsd.ident notes.  Note name is "NetBSD".  */
661 
662 #define NT_NETBSD_IDENT		1
663 #define NT_NETBSD_MARCH		5
664 
665 /* Values for OpenBSD .note.openbsd.ident notes.  Note name is "OpenBSD".  */
666 
667 #define NT_OPENBSD_IDENT	1
668 
669 /* Values for FreeBSD .note.ABI-tag notes.  Note name is "FreeBSD".  */
670 
671 #define NT_FREEBSD_ABI_TAG	1
672 
673 /* These three macros disassemble and assemble a symbol table st_info field,
674    which contains the symbol binding and symbol type.  The STB_ and STT_
675    defines identify the binding and type.  */
676 
677 #define ELF_ST_BIND(val)		(((unsigned int)(val)) >> 4)
678 #define ELF_ST_TYPE(val)		((val) & 0xF)
679 #define ELF_ST_INFO(bind,type)		(((bind) << 4) + ((type) & 0xF))
680 
681 /* The 64bit and 32bit versions of these macros are identical, but
682    the ELF spec defines them, so here they are.  */
683 #define ELF32_ST_BIND  ELF_ST_BIND
684 #define ELF32_ST_TYPE  ELF_ST_TYPE
685 #define ELF32_ST_INFO  ELF_ST_INFO
686 #define ELF64_ST_BIND  ELF_ST_BIND
687 #define ELF64_ST_TYPE  ELF_ST_TYPE
688 #define ELF64_ST_INFO  ELF_ST_INFO
689 
690 /* This macro disassembles and assembles a symbol's visibility into
691    the st_other field.  The STV_ defines specify the actual visibility.  */
692 
693 #define ELF_ST_VISIBILITY(v)		((v) & 0x3)
694 /* The remaining bits in the st_other field are not currently used.
695    They should be set to zero.  */
696 
697 #define ELF32_ST_VISIBILITY  ELF_ST_VISIBILITY
698 #define ELF64_ST_VISIBILITY  ELF_ST_VISIBILITY
699 
700 
701 #define STN_UNDEF	0		/* Undefined symbol index */
702 
703 #define STB_LOCAL	0		/* Symbol not visible outside obj */
704 #define STB_GLOBAL	1		/* Symbol visible outside obj */
705 #define STB_WEAK	2		/* Like globals, lower precedence */
706 #define STB_LOOS	10		/* OS-specific semantics */
707 #define STB_GNU_UNIQUE	10		/* Symbol is unique in namespace */
708 #define STB_HIOS	12		/* OS-specific semantics */
709 #define STB_LOPROC	13		/* Processor-specific semantics */
710 #define STB_HIPROC	15		/* Processor-specific semantics */
711 
712 #define STT_NOTYPE	0		/* Symbol type is unspecified */
713 #define STT_OBJECT	1		/* Symbol is a data object */
714 #define STT_FUNC	2		/* Symbol is a code object */
715 #define STT_SECTION	3		/* Symbol associated with a section */
716 #define STT_FILE	4		/* Symbol gives a file name */
717 #define STT_COMMON	5		/* An uninitialised common block */
718 #define STT_TLS		6		/* Thread local data object */
719 #define STT_RELC	8		/* Complex relocation expression */
720 #define STT_SRELC	9		/* Signed Complex relocation expression */
721 #define STT_LOOS	10		/* OS-specific semantics */
722 #define STT_GNU_IFUNC	10		/* Symbol is an indirect code object */
723 #define STT_HIOS	12		/* OS-specific semantics */
724 #define STT_LOPROC	13		/* Processor-specific semantics */
725 #define STT_HIPROC	15		/* Processor-specific semantics */
726 
727 /* The following constants control how a symbol may be accessed once it has
728    become part of an executable or shared library.  */
729 
730 #define STV_DEFAULT	0		/* Visibility is specified by binding type */
731 #define STV_INTERNAL	1		/* OS specific version of STV_HIDDEN */
732 #define STV_HIDDEN	2		/* Can only be seen inside currect component */
733 #define STV_PROTECTED	3		/* Treat as STB_LOCAL inside current component */
734 
735 /* Relocation info handling macros.  */
736 
737 #define ELF32_R_SYM(i)		((i) >> 8)
738 #define ELF32_R_TYPE(i)		((i) & 0xff)
739 #define ELF32_R_INFO(s,t)	(((s) << 8) + ((t) & 0xff))
740 
741 #define ELF64_R_SYM(i)		((i) >> 32)
742 #define ELF64_R_TYPE(i)		((i) & 0xffffffff)
743 #define ELF64_R_INFO(s,t)	(((bfd_vma) (s) << 31 << 1) + (bfd_vma) (t))
744 
745 /* Dynamic section tags.  */
746 
747 #define DT_NULL		0
748 #define DT_NEEDED	1
749 #define DT_PLTRELSZ	2
750 #define DT_PLTGOT	3
751 #define DT_HASH		4
752 #define DT_STRTAB	5
753 #define DT_SYMTAB	6
754 #define DT_RELA		7
755 #define DT_RELASZ	8
756 #define DT_RELAENT	9
757 #define DT_STRSZ	10
758 #define DT_SYMENT	11
759 #define DT_INIT		12
760 #define DT_FINI		13
761 #define DT_SONAME	14
762 #define DT_RPATH	15
763 #define DT_SYMBOLIC	16
764 #define DT_REL		17
765 #define DT_RELSZ	18
766 #define DT_RELENT	19
767 #define DT_PLTREL	20
768 #define DT_DEBUG	21
769 #define DT_TEXTREL	22
770 #define DT_JMPREL	23
771 #define DT_BIND_NOW	24
772 #define DT_INIT_ARRAY	25
773 #define DT_FINI_ARRAY	26
774 #define DT_INIT_ARRAYSZ 27
775 #define DT_FINI_ARRAYSZ 28
776 #define DT_RUNPATH	29
777 #define DT_FLAGS	30
778 #define DT_ENCODING	32
779 #define DT_PREINIT_ARRAY   32
780 #define DT_PREINIT_ARRAYSZ 33
781 
782 /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
783    for DT_LOOS and DT_HIOS.  Some implementations however, use
784    values outside of the new range (see below).	 */
785 #define OLD_DT_LOOS	0x60000000
786 #define DT_LOOS		0x6000000d
787 #define DT_HIOS		0x6ffff000
788 #define OLD_DT_HIOS	0x6fffffff
789 
790 #define DT_LOPROC	0x70000000
791 #define DT_HIPROC	0x7fffffff
792 
793 /* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to
794    DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI),
795    are used on Solaris.  We support them everywhere.  Note these values
796    lie outside of the (new) range for OS specific values.  This is a
797    deliberate special case and we maintain it for backwards compatability.
798  */
799 #define DT_VALRNGLO	0x6ffffd00
800 #define DT_GNU_PRELINKED 0x6ffffdf5
801 #define DT_GNU_CONFLICTSZ 0x6ffffdf6
802 #define DT_GNU_LIBLISTSZ 0x6ffffdf7
803 #define DT_CHECKSUM	0x6ffffdf8
804 #define DT_PLTPADSZ	0x6ffffdf9
805 #define DT_MOVEENT	0x6ffffdfa
806 #define DT_MOVESZ	0x6ffffdfb
807 #define DT_FEATURE	0x6ffffdfc
808 #define DT_POSFLAG_1	0x6ffffdfd
809 #define DT_SYMINSZ	0x6ffffdfe
810 #define DT_SYMINENT	0x6ffffdff
811 #define DT_VALRNGHI	0x6ffffdff
812 
813 #define DT_ADDRRNGLO	0x6ffffe00
814 #define DT_GNU_HASH	0x6ffffef5
815 #define DT_TLSDESC_PLT	0x6ffffef6
816 #define DT_TLSDESC_GOT	0x6ffffef7
817 #define DT_GNU_CONFLICT	0x6ffffef8
818 #define DT_GNU_LIBLIST	0x6ffffef9
819 #define DT_CONFIG	0x6ffffefa
820 #define DT_DEPAUDIT	0x6ffffefb
821 #define DT_AUDIT	0x6ffffefc
822 #define DT_PLTPAD	0x6ffffefd
823 #define DT_MOVETAB	0x6ffffefe
824 #define DT_SYMINFO	0x6ffffeff
825 #define DT_ADDRRNGHI	0x6ffffeff
826 
827 #define DT_RELACOUNT	0x6ffffff9
828 #define DT_RELCOUNT	0x6ffffffa
829 #define DT_FLAGS_1	0x6ffffffb
830 #define DT_VERDEF	0x6ffffffc
831 #define DT_VERDEFNUM	0x6ffffffd
832 #define DT_VERNEED	0x6ffffffe
833 #define DT_VERNEEDNUM	0x6fffffff
834 
835 /* This tag is a GNU extension to the Solaris version scheme.  */
836 #define DT_VERSYM	0x6ffffff0
837 
838 /* Experimental support for SHT_RELR sections. For details, see proposal
839    at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg */
840 #define DT_RELR		0x6fffe000
841 #define DT_RELRSZ	0x6fffe001
842 #define DT_RELRENT	0x6fffe003
843 #define DT_RELRCOUNT	0x6fffe005
844 
845 #define DT_LOPROC	0x70000000
846 #define DT_HIPROC	0x7fffffff
847 
848 /* These section tags are used on Solaris.  We support them
849    everywhere, and hope they do not conflict.  */
850 
851 #define DT_AUXILIARY	0x7ffffffd
852 #define DT_USED		0x7ffffffe
853 #define DT_FILTER	0x7fffffff
854 
855 
856 /* Values used in DT_FEATURE .dynamic entry.  */
857 #define DTF_1_PARINIT	0x00000001
858 /* From
859 
860    http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
861 
862    DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
863    defined here is the same as the one in <sys/link.h> on Solaris 8.  */
864 #define DTF_1_CONFEXP	0x00000002
865 
866 /* Flag values used in the DT_POSFLAG_1 .dynamic entry.	 */
867 #define DF_P1_LAZYLOAD	0x00000001
868 #define DF_P1_GROUPPERM	0x00000002
869 
870 /* Flag value in in the DT_FLAGS_1 .dynamic entry.  */
871 #define DF_1_NOW	0x00000001
872 #define DF_1_GLOBAL	0x00000002
873 #define DF_1_GROUP	0x00000004
874 #define DF_1_NODELETE	0x00000008
875 #define DF_1_LOADFLTR	0x00000010
876 #define DF_1_INITFIRST	0x00000020
877 #define DF_1_NOOPEN	0x00000040
878 #define DF_1_ORIGIN	0x00000080
879 #define DF_1_DIRECT	0x00000100
880 #define DF_1_TRANS	0x00000200
881 #define DF_1_INTERPOSE	0x00000400
882 #define DF_1_NODEFLIB	0x00000800
883 #define DF_1_NODUMP	0x00001000
884 #define DF_1_CONFALT	0x00002000
885 #define DF_1_ENDFILTEE	0x00004000
886 #define	DF_1_DISPRELDNE	0x00008000
887 #define	DF_1_DISPRELPND	0x00010000
888 #define	DF_1_NODIRECT	0x00020000
889 #define	DF_1_IGNMULDEF	0x00040000
890 #define	DF_1_NOKSYMS	0x00080000
891 #define	DF_1_NOHDR	0x00100000
892 #define	DF_1_EDITED	0x00200000
893 #define	DF_1_NORELOC	0x00400000
894 #define	DF_1_SYMINTPOSE	0x00800000
895 #define	DF_1_GLOBAUDIT	0x01000000
896 #define	DF_1_SINGLETON	0x02000000
897 #define	DF_1_STUB	0x04000000
898 #define	DF_1_PIE	0x08000000
899 
900 /* Flag values for the DT_FLAGS entry.	*/
901 #define DF_ORIGIN	(1 << 0)
902 #define DF_SYMBOLIC	(1 << 1)
903 #define DF_TEXTREL	(1 << 2)
904 #define DF_BIND_NOW	(1 << 3)
905 #define DF_STATIC_TLS	(1 << 4)
906 
907 /* These constants are used for the version number of a Elf32_Verdef
908    structure.  */
909 
910 #define VER_DEF_NONE		0
911 #define VER_DEF_CURRENT		1
912 
913 /* These constants appear in the vd_flags field of a Elf32_Verdef
914    structure.
915 
916    Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format,
917    Versioning Sections, for a description:
918 
919    http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view  */
920 
921 #define VER_FLG_BASE		0x1
922 #define VER_FLG_WEAK		0x2
923 #define VER_FLG_INFO		0x4
924 
925 /* These special constants can be found in an Elf32_Versym field.  */
926 
927 #define VER_NDX_LOCAL		0
928 #define VER_NDX_GLOBAL		1
929 
930 /* These constants are used for the version number of a Elf32_Verneed
931    structure.  */
932 
933 #define VER_NEED_NONE		0
934 #define VER_NEED_CURRENT	1
935 
936 /* This flag appears in a Versym structure.  It means that the symbol
937    is hidden, and is only visible with an explicit version number.
938    This is a GNU extension.  */
939 
940 #define VERSYM_HIDDEN		0x8000
941 
942 /* This is the mask for the rest of the Versym information.  */
943 
944 #define VERSYM_VERSION		0x7fff
945 
946 /* This is a special token which appears as part of a symbol name.  It
947    indictes that the rest of the name is actually the name of a
948    version node, and is not part of the actual name.  This is a GNU
949    extension.  For example, the symbol name `stat@ver2' is taken to
950    mean the symbol `stat' in version `ver2'.  */
951 
952 #define ELF_VER_CHR	'@'
953 
954 /* Possible values for si_boundto.  */
955 
956 #define SYMINFO_BT_SELF		0xffff	/* Symbol bound to self */
957 #define SYMINFO_BT_PARENT	0xfffe	/* Symbol bound to parent */
958 #define SYMINFO_BT_LOWRESERVE	0xff00	/* Beginning of reserved entries */
959 
960 /* Possible bitmasks for si_flags.  */
961 
962 #define SYMINFO_FLG_DIRECT	0x0001	/* Direct bound symbol */
963 #define SYMINFO_FLG_PASSTHRU	0x0002	/* Pass-thru symbol for translator */
964 #define SYMINFO_FLG_COPY	0x0004	/* Symbol is a copy-reloc */
965 #define SYMINFO_FLG_LAZYLOAD	0x0008	/* Symbol bound to object to be lazy loaded */
966 
967 /* Syminfo version values.  */
968 
969 #define SYMINFO_NONE		0
970 #define SYMINFO_CURRENT		1
971 #define SYMINFO_NUM		2
972 
973 /* Section Group Flags.	 */
974 
975 #define GRP_COMDAT		0x1	/* A COMDAT group */
976 
977 /* Auxv a_type values.  */
978 
979 #define AT_NULL		0		/* End of vector */
980 #define AT_IGNORE	1		/* Entry should be ignored */
981 #define AT_EXECFD	2		/* File descriptor of program */
982 #define AT_PHDR		3		/* Program headers for program */
983 #define AT_PHENT	4		/* Size of program header entry */
984 #define AT_PHNUM	5		/* Number of program headers */
985 #define AT_PAGESZ	6		/* System page size */
986 #define AT_BASE		7		/* Base address of interpreter */
987 #define AT_FLAGS	8		/* Flags */
988 #define AT_ENTRY	9		/* Entry point of program */
989 #define AT_NOTELF	10		/* Program is not ELF */
990 #define AT_UID		11		/* Real uid */
991 #define AT_EUID		12		/* Effective uid */
992 #define AT_GID		13		/* Real gid */
993 #define AT_EGID		14		/* Effective gid */
994 #define AT_CLKTCK	17		/* Frequency of times() */
995 #define AT_PLATFORM	15		/* String identifying platform.  */
996 #define AT_HWCAP	16		/* Machine dependent hints about
997 					   processor capabilities.  */
998 #define AT_FPUCW	18		/* Used FPU control word.  */
999 #define AT_DCACHEBSIZE	19		/* Data cache block size.  */
1000 #define AT_ICACHEBSIZE	20		/* Instruction cache block size.  */
1001 #define AT_UCACHEBSIZE	21		/* Unified cache block size.  */
1002 #define AT_IGNOREPPC	22		/* Entry should be ignored */
1003 #define	AT_SECURE	23		/* Boolean, was exec setuid-like?  */
1004 #define AT_BASE_PLATFORM 24		/* String identifying real platform,
1005 					   may differ from AT_PLATFORM.  */
1006 #define AT_RANDOM	25		/* Address of 16 random bytes.  */
1007 #define AT_HWCAP2	26		/* Extension of AT_HWCAP.  */
1008 #define AT_EXECFN	31		/* Filename of executable.  */
1009 /* Pointer to the global system page used for system calls and other
1010    nice things.  */
1011 #define AT_SYSINFO	32
1012 #define AT_SYSINFO_EHDR	33 /* Pointer to ELF header of system-supplied DSO.  */
1013 
1014 /* More complete cache descriptions than AT_[DIU]CACHEBSIZE.  If the
1015    value is -1, then the cache doesn't exist.  Otherwise:
1016 
1017    bit 0-3:  Cache set-associativity; 0 means fully associative.
1018    bit 4-7:  Log2 of cacheline size.
1019    bit 8-31:  Size of the entire cache >> 8.  */
1020 
1021 #define AT_L1I_CACHESHAPE 34
1022 #define AT_L1D_CACHESHAPE 35
1023 #define AT_L2_CACHESHAPE  36
1024 #define AT_L3_CACHESHAPE  37
1025 
1026 #define AT_FREEBSD_EXECPATH     15      /* Path to the executable. */
1027 #define AT_FREEBSD_CANARY       16      /* Canary for SSP. */
1028 #define AT_FREEBSD_CANARYLEN    17      /* Length of the canary. */
1029 #define AT_FREEBSD_OSRELDATE    18      /* OSRELDATE. */
1030 #define AT_FREEBSD_NCPUS        19      /* Number of CPUs. */
1031 #define AT_FREEBSD_PAGESIZES    20      /* Pagesizes. */
1032 #define AT_FREEBSD_PAGESIZESLEN 21      /* Number of pagesizes. */
1033 #define AT_FREEBSD_TIMEKEEP     22      /* Pointer to timehands. */
1034 #define AT_FREEBSD_STACKPROT    23      /* Initial stack protection. */
1035 
1036 #define AT_SUN_UID      2000    /* Effective user ID.  */
1037 #define AT_SUN_RUID     2001    /* Real user ID.  */
1038 #define AT_SUN_GID      2002    /* Effective group ID.  */
1039 #define AT_SUN_RGID     2003    /* Real group ID.  */
1040 #define AT_SUN_LDELF    2004    /* Dynamic linker's ELF header.  */
1041 #define AT_SUN_LDSHDR   2005    /* Dynamic linker's section headers.  */
1042 #define AT_SUN_LDNAME   2006    /* String giving name of dynamic linker.  */
1043 #define AT_SUN_LPAGESZ  2007    /* Large pagesize.   */
1044 #define AT_SUN_PLATFORM 2008    /* Platform name string.  */
1045 #undef AT_SUN_HWCAP
1046 #define AT_SUN_HWCAP    2009	/* Machine dependent hints about
1047 				   processor capabilities.  */
1048 #define AT_SUN_IFLUSH   2010    /* Should flush icache? */
1049 #define AT_SUN_CPU      2011    /* CPU name string.  */
1050 #define AT_SUN_EMUL_ENTRY 2012	/* COFF entry point address.  */
1051 #define AT_SUN_EMUL_EXECFD 2013	/* COFF executable file descriptor.  */
1052 #define AT_SUN_EXECNAME 2014    /* Canonicalized file name given to execve.  */
1053 #define AT_SUN_MMU      2015    /* String for name of MMU module.   */
1054 #define AT_SUN_LDDATA   2016    /* Dynamic linker's data segment address.  */
1055 #define AT_SUN_AUXFLAGS	2017	/* AF_SUN_ flags passed from the kernel.  */
1056 
1057 
1058 #endif /* _ELF_COMMON_H */
1059