1 /* ELF support for BFD.
2    Copyright (C) 1991-2022 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_OPENVOS     18 /* Stratus Technologies OpenVOS */
78 
79 #define ELFOSABI_C6000_ELFABI 64 /* Bare-metal TMS320C6000 */
80 #define ELFOSABI_AMDGPU_HSA  64 /* AMD HSA Runtime */
81 #define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000 */
82 #define ELFOSABI_AMDGPU_PAL  65 /* AMD PAL Runtime */
83 #define ELFOSABI_ARM_FDPIC   65 /* ARM FDPIC */
84 #define ELFOSABI_AMDGPU_MESA3D 66 /* AMD Mesa3D Runtime */
85 #define ELFOSABI_ARM	     97	/* ARM */
86 #define ELFOSABI_STANDALONE 255	/* Standalone (embedded) application */
87 
88 #define EI_ABIVERSION	8	/* ABI version */
89 
90 #define EI_PAD		9	/* Start of padding bytes */
91 
92 
93 /* Values for e_type, which identifies the object file type.  */
94 
95 #define ET_NONE		0	/* No file type */
96 #define ET_REL		1	/* Relocatable file */
97 #define ET_EXEC		2	/* Position-dependent executable file */
98 #define ET_DYN		3	/* Position-independent executable or
99 				   shared object file */
100 #define ET_CORE		4	/* Core file */
101 #define ET_LOOS		0xFE00	/* Operating system-specific */
102 #define ET_HIOS		0xFEFF	/* Operating system-specific */
103 #define ET_LOPROC	0xFF00	/* Processor-specific */
104 #define ET_HIPROC	0xFFFF	/* Processor-specific */
105 
106 /* Values for e_machine, which identifies the architecture.  These numbers
107    are officially assigned by registry@sco.com.  See below for a list of
108    ad-hoc numbers used during initial development.  */
109 
110 #define EM_NONE		  0	/* No machine */
111 #define EM_M32		  1	/* AT&T WE 32100 */
112 #define EM_SPARC	  2	/* SUN SPARC */
113 #define EM_386		  3	/* Intel 80386 */
114 #define EM_68K		  4	/* Motorola m68k family */
115 #define EM_88K		  5	/* Motorola m88k family */
116 #define EM_IAMCU	  6	/* Intel MCU */
117 #define EM_860		  7	/* Intel 80860 */
118 #define EM_MIPS		  8	/* MIPS R3000 (officially, big-endian only) */
119 #define EM_S370		  9	/* IBM System/370 */
120 #define EM_MIPS_RS3_LE	 10	/* MIPS R3000 little-endian (Oct 4 1999 Draft).  Deprecated.  */
121 #define EM_OLD_SPARCV9	 11	/* Old version of Sparc v9, from before the ABI.  Deprecated.  */
122 #define EM_res011	 11	/* Reserved */
123 #define EM_res012	 12	/* Reserved */
124 #define EM_res013	 13	/* Reserved */
125 #define EM_res014	 14	/* Reserved */
126 #define EM_PARISC	 15	/* HPPA */
127 #define EM_res016	 16	/* Reserved */
128 #define EM_PPC_OLD	 17	/* Old version of PowerPC.  Deprecated.  */
129 #define EM_VPP550	 17	/* Fujitsu VPP500 */
130 #define EM_SPARC32PLUS	 18	/* Sun's "v8plus" */
131 #define EM_960		 19	/* Intel 80960 */
132 #define EM_PPC		 20	/* PowerPC */
133 #define EM_PPC64	 21	/* 64-bit PowerPC */
134 #define EM_S390		 22	/* IBM S/390 */
135 #define EM_SPU		 23	/* Sony/Toshiba/IBM SPU */
136 #define EM_res024	 24	/* Reserved */
137 #define EM_res025	 25	/* Reserved */
138 #define EM_res026	 26	/* Reserved */
139 #define EM_res027	 27	/* Reserved */
140 #define EM_res028	 28	/* Reserved */
141 #define EM_res029	 29	/* Reserved */
142 #define EM_res030	 30	/* Reserved */
143 #define EM_res031	 31	/* Reserved */
144 #define EM_res032	 32	/* Reserved */
145 #define EM_res033	 33	/* Reserved */
146 #define EM_res034	 34	/* Reserved */
147 #define EM_res035	 35	/* Reserved */
148 #define EM_V800		 36	/* NEC V800 series */
149 #define EM_FR20		 37	/* Fujitsu FR20 */
150 #define EM_RH32		 38	/* TRW RH32 */
151 #define EM_MCORE	 39	/* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
152 #define EM_RCE		 39	/* Old name for MCore */
153 #define EM_ARM		 40	/* ARM */
154 #define EM_OLD_ALPHA	 41	/* Digital Alpha */
155 #define EM_SH		 42	/* Renesas (formerly Hitachi) / SuperH SH */
156 #define EM_SPARCV9	 43	/* SPARC v9 64-bit */
157 #define EM_TRICORE	 44	/* Siemens Tricore embedded processor */
158 #define EM_ARC		 45	/* ARC Cores */
159 #define EM_H8_300	 46	/* Renesas (formerly Hitachi) H8/300 */
160 #define EM_H8_300H	 47	/* Renesas (formerly Hitachi) H8/300H */
161 #define EM_H8S		 48	/* Renesas (formerly Hitachi) H8S */
162 #define EM_H8_500	 49	/* Renesas (formerly Hitachi) H8/500 */
163 #define EM_IA_64	 50	/* Intel IA-64 Processor */
164 #define EM_MIPS_X	 51	/* Stanford MIPS-X */
165 #define EM_COLDFIRE	 52	/* Motorola Coldfire */
166 #define EM_68HC12	 53	/* Motorola M68HC12 */
167 #define EM_MMA		 54	/* Fujitsu Multimedia Accelerator */
168 #define EM_PCP		 55	/* Siemens PCP */
169 #define EM_NCPU		 56	/* Sony nCPU embedded RISC processor */
170 #define EM_NDR1		 57	/* Denso NDR1 microprocessor */
171 #define EM_STARCORE	 58	/* Motorola Star*Core processor */
172 #define EM_ME16		 59	/* Toyota ME16 processor */
173 #define EM_ST100	 60	/* STMicroelectronics ST100 processor */
174 #define EM_TINYJ	 61	/* Advanced Logic Corp. TinyJ embedded processor */
175 #define EM_X86_64	 62	/* Advanced Micro Devices X86-64 processor */
176 #define EM_PDSP		 63	/* Sony DSP Processor */
177 #define EM_PDP10	 64	/* Digital Equipment Corp. PDP-10 */
178 #define EM_PDP11	 65	/* Digital Equipment Corp. PDP-11 */
179 #define EM_FX66		 66	/* Siemens FX66 microcontroller */
180 #define EM_ST9PLUS	 67	/* STMicroelectronics ST9+ 8/16 bit microcontroller */
181 #define EM_ST7		 68	/* STMicroelectronics ST7 8-bit microcontroller */
182 #define EM_68HC16	 69	/* Motorola MC68HC16 Microcontroller */
183 #define EM_68HC11	 70	/* Motorola MC68HC11 Microcontroller */
184 #define EM_68HC08	 71	/* Motorola MC68HC08 Microcontroller */
185 #define EM_68HC05	 72	/* Motorola MC68HC05 Microcontroller */
186 #define EM_SVX		 73	/* Silicon Graphics SVx */
187 #define EM_ST19		 74	/* STMicroelectronics ST19 8-bit cpu */
188 #define EM_VAX		 75	/* Digital VAX */
189 #define EM_CRIS		 76	/* Axis Communications 32-bit embedded processor */
190 #define EM_JAVELIN	 77	/* Infineon Technologies 32-bit embedded cpu */
191 #define EM_FIREPATH	 78	/* Element 14 64-bit DSP processor */
192 #define EM_ZSP		 79	/* LSI Logic's 16-bit DSP processor */
193 #define EM_MMIX		 80	/* Donald Knuth's educational 64-bit processor */
194 #define EM_HUANY	 81	/* Harvard's machine-independent format */
195 #define EM_PRISM	 82	/* SiTera Prism */
196 #define EM_AVR		 83	/* Atmel AVR 8-bit microcontroller */
197 #define EM_FR30		 84	/* Fujitsu FR30 */
198 #define EM_D10V		 85	/* Mitsubishi D10V */
199 #define EM_D30V		 86	/* Mitsubishi D30V */
200 #define EM_V850		 87	/* Renesas V850 (formerly NEC V850) */
201 #define EM_M32R		 88	/* Renesas M32R (formerly Mitsubishi M32R) */
202 #define EM_MN10300	 89	/* Matsushita MN10300 */
203 #define EM_MN10200	 90	/* Matsushita MN10200 */
204 #define EM_PJ		 91	/* picoJava */
205 #define EM_OR1K		 92	/* OpenRISC 1000 32-bit embedded processor */
206 #define EM_ARC_COMPACT	 93	/* ARC International ARCompact processor */
207 #define EM_XTENSA	 94	/* Tensilica Xtensa Architecture */
208 #define EM_SCORE_OLD	 95	/* Old Sunplus S+core7 backend magic number. Written in the absence of an ABI.  */
209 #define EM_VIDEOCORE	 95	/* Alphamosaic VideoCore processor */
210 #define EM_TMM_GPP	 96	/* Thompson Multimedia General Purpose Processor */
211 #define EM_NS32K	 97	/* National Semiconductor 32000 series */
212 #define EM_TPC		 98	/* Tenor Network TPC processor */
213 #define EM_PJ_OLD	 99	/* Old value for picoJava.  Deprecated.  */
214 #define EM_SNP1K	 99	/* Trebia SNP 1000 processor */
215 #define EM_ST200	100	/* STMicroelectronics ST200 microcontroller */
216 #define EM_IP2K		101	/* Ubicom IP2022 micro controller */
217 #define EM_MAX		102	/* MAX Processor */
218 #define EM_CR		103	/* National Semiconductor CompactRISC */
219 #define EM_F2MC16	104	/* Fujitsu F2MC16 */
220 #define EM_MSP430	105	/* TI msp430 micro controller */
221 #define EM_BLACKFIN	106	/* ADI Blackfin */
222 #define EM_SE_C33	107	/* S1C33 Family of Seiko Epson processors */
223 #define EM_SEP		108	/* Sharp embedded microprocessor */
224 #define EM_ARCA		109	/* Arca RISC Microprocessor */
225 #define EM_UNICORE	110	/* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */
226 #define EM_EXCESS	111	/* eXcess: 16/32/64-bit configurable embedded CPU */
227 #define EM_DXP		112	/* Icera Semiconductor Inc. Deep Execution Processor */
228 #define EM_ALTERA_NIOS2	113	/* Altera Nios II soft-core processor */
229 #define EM_CRX		114	/* National Semiconductor CRX */
230 #define EM_CR16_OLD	115	/* Old, value for National Semiconductor CompactRISC.  Deprecated.  */
231 #define EM_XGATE	115	/* Motorola XGATE embedded processor */
232 #define EM_C166		116	/* Infineon C16x/XC16x processor */
233 #define EM_M16C		117	/* Renesas M16C series microprocessors */
234 #define EM_DSPIC30F	118	/* Microchip Technology dsPIC30F Digital Signal Controller */
235 #define EM_CE		119	/* Freescale Communication Engine RISC core */
236 #define EM_M32C		120	/* Renesas M32C series microprocessors */
237 #define EM_res121	121	/* Reserved */
238 #define EM_res122	122	/* Reserved */
239 #define EM_res123	123	/* Reserved */
240 #define EM_res124	124	/* Reserved */
241 #define EM_res125	125	/* Reserved */
242 #define EM_res126	126	/* Reserved */
243 #define EM_res127	127	/* Reserved */
244 #define EM_res128	128	/* Reserved */
245 #define EM_res129	129	/* Reserved */
246 #define EM_res130	130	/* Reserved */
247 #define EM_TSK3000	131	/* Altium TSK3000 core */
248 #define EM_RS08		132	/* Freescale RS08 embedded processor */
249 #define EM_res133	133	/* Reserved */
250 #define EM_ECOG2	134	/* Cyan Technology eCOG2 microprocessor */
251 #define EM_SCORE	135	/* Sunplus Score */
252 #define EM_SCORE7	135	/* Sunplus S+core7 RISC processor */
253 #define EM_DSP24	136	/* New Japan Radio (NJR) 24-bit DSP Processor */
254 #define EM_VIDEOCORE3	137	/* Broadcom VideoCore III processor */
255 #define EM_LATTICEMICO32 138	/* RISC processor for Lattice FPGA architecture */
256 #define EM_SE_C17	139	/* Seiko Epson C17 family */
257 #define EM_TI_C6000	140	/* Texas Instruments TMS320C6000 DSP family */
258 #define EM_TI_C2000	141	/* Texas Instruments TMS320C2000 DSP family */
259 #define EM_TI_C5500	142	/* Texas Instruments TMS320C55x DSP family */
260 #define EM_res143	143	/* Reserved */
261 #define EM_TI_PRU	144	/* Texas Instruments Programmable Realtime Unit */
262 #define EM_res145	145	/* Reserved */
263 #define EM_res146	146	/* Reserved */
264 #define EM_res147	147	/* Reserved */
265 #define EM_res148	148	/* Reserved */
266 #define EM_res149	149	/* Reserved */
267 #define EM_res150	150	/* Reserved */
268 #define EM_res151	151	/* Reserved */
269 #define EM_res152	152	/* Reserved */
270 #define EM_res153	153	/* Reserved */
271 #define EM_res154	154	/* Reserved */
272 #define EM_res155	155	/* Reserved */
273 #define EM_res156	156	/* Reserved */
274 #define EM_res157	157	/* Reserved */
275 #define EM_res158	158	/* Reserved */
276 #define EM_res159	159	/* Reserved */
277 #define EM_MMDSP_PLUS	160	/* STMicroelectronics 64bit VLIW Data Signal Processor */
278 #define EM_CYPRESS_M8C	161	/* Cypress M8C microprocessor */
279 #define EM_R32C		162	/* Renesas R32C series microprocessors */
280 #define EM_TRIMEDIA	163	/* NXP Semiconductors TriMedia architecture family */
281 #define EM_QDSP6	164	/* QUALCOMM DSP6 Processor */
282 #define EM_8051		165	/* Intel 8051 and variants */
283 #define EM_STXP7X	166	/* STMicroelectronics STxP7x family */
284 #define EM_NDS32	167	/* Andes Technology compact code size embedded RISC processor family */
285 #define EM_ECOG1	168	/* Cyan Technology eCOG1X family */
286 #define EM_ECOG1X	168	/* Cyan Technology eCOG1X family */
287 #define EM_MAXQ30	169	/* Dallas Semiconductor MAXQ30 Core Micro-controllers */
288 #define EM_XIMO16	170	/* New Japan Radio (NJR) 16-bit DSP Processor */
289 #define EM_MANIK	171	/* M2000 Reconfigurable RISC Microprocessor */
290 #define EM_CRAYNV2	172	/* Cray Inc. NV2 vector architecture */
291 #define EM_RX		173	/* Renesas RX family */
292 #define EM_METAG	174	/* Imagination Technologies Meta processor architecture */
293 #define EM_MCST_ELBRUS	175	/* MCST Elbrus general purpose hardware architecture */
294 #define EM_ECOG16	176	/* Cyan Technology eCOG16 family */
295 #define EM_CR16		177	/* National Semiconductor CompactRISC 16-bit processor */
296 #define EM_ETPU		178	/* Freescale Extended Time Processing Unit */
297 #define EM_SLE9X	179	/* Infineon Technologies SLE9X core */
298 #define EM_L1OM		180	/* Intel L1OM */
299 #define EM_K1OM		181	/* Intel K1OM */
300 #define EM_INTEL182	182	/* Reserved by Intel */
301 #define EM_AARCH64	183	/* ARM 64-bit architecture */
302 #define EM_ARM184	184	/* Reserved by ARM */
303 #define EM_AVR32	185	/* Atmel Corporation 32-bit microprocessor family */
304 #define EM_STM8		186	/* STMicroeletronics STM8 8-bit microcontroller */
305 #define EM_TILE64	187	/* Tilera TILE64 multicore architecture family */
306 #define EM_TILEPRO	188	/* Tilera TILEPro multicore architecture family */
307 #define EM_MICROBLAZE	189	/* Xilinx MicroBlaze 32-bit RISC soft processor core */
308 #define EM_CUDA		190	/* NVIDIA CUDA architecture */
309 #define EM_TILEGX	191	/* Tilera TILE-Gx multicore architecture family */
310 #define EM_CLOUDSHIELD 	192 	/* CloudShield architecture family */
311 #define EM_COREA_1ST 	193 	/* KIPO-KAIST Core-A 1st generation processor family */
312 #define EM_COREA_2ND 	194 	/* KIPO-KAIST Core-A 2nd generation processor family */
313 #define EM_ARC_COMPACT2 195	/* Synopsys ARCompact V2 */
314 #define EM_OPEN8 	196 	/* Open8 8-bit RISC soft processor core */
315 #define EM_RL78		197	/* Renesas RL78 family.  */
316 #define EM_VIDEOCORE5 	198 	/* Broadcom VideoCore V processor */
317 #define EM_78K0R	199	/* Renesas 78K0R.  */
318 #define EM_56800EX 	200 	/* Freescale 56800EX Digital Signal Controller (DSC) */
319 #define EM_BA1 		201 	/* Beyond BA1 CPU architecture */
320 #define EM_BA2 		202 	/* Beyond BA2 CPU architecture */
321 #define EM_XCORE 	203 	/* XMOS xCORE processor family */
322 #define EM_MCHP_PIC 	204 	/* Microchip 8-bit PIC(r) family */
323 #define EM_INTELGT	205	/* Intel Graphics Technology */
324 #define EM_INTEL206	206	/* Reserved by Intel */
325 #define EM_INTEL207	207	/* Reserved by Intel */
326 #define EM_INTEL208	208	/* Reserved by Intel */
327 #define EM_INTEL209	209	/* Reserved by Intel */
328 #define EM_KM32 	210 	/* KM211 KM32 32-bit processor */
329 #define EM_KMX32 	211 	/* KM211 KMX32 32-bit processor */
330 #define EM_KMX16 	212 	/* KM211 KMX16 16-bit processor */
331 #define EM_KMX8 	213 	/* KM211 KMX8 8-bit processor */
332 #define EM_KVARC 	214 	/* KM211 KVARC processor */
333 #define EM_CDP 		215 	/* Paneve CDP architecture family */
334 #define EM_COGE 	216 	/* Cognitive Smart Memory Processor */
335 #define EM_COOL 	217 	/* Bluechip Systems CoolEngine */
336 #define EM_NORC 	218 	/* Nanoradio Optimized RISC */
337 #define EM_CSR_KALIMBA 	219 	/* CSR Kalimba architecture family */
338 #define EM_Z80 		220 	/* Zilog Z80 */
339 #define EM_VISIUM	221	/* Controls and Data Services VISIUMcore processor */
340 #define EM_FT32         222     /* FTDI Chip FT32 high performance 32-bit RISC architecture */
341 #define EM_MOXIE        223     /* Moxie processor family */
342 #define EM_AMDGPU 	224 	/* AMD GPU architecture */
343 #define EM_RISCV 	243 	/* RISC-V */
344 #define EM_LANAI	244	/* Lanai 32-bit processor.  */
345 #define EM_CEVA		245	/* CEVA Processor Architecture Family */
346 #define EM_CEVA_X2	246	/* CEVA X2 Processor Family */
347 #define EM_BPF		247	/* Linux BPF – in-kernel virtual machine.  */
348 #define EM_GRAPHCORE_IPU 248	/* Graphcore Intelligent Processing Unit */
349 #define EM_IMG1		249	/* Imagination Technologies */
350 #define EM_NFP		250	/* Netronome Flow Processor.  */
351 #define EM_VE		251	/* NEC Vector Engine */
352 #define EM_CSKY		252	/* C-SKY processor family.  */
353 #define EM_ARC_COMPACT3_64 253	/* Synopsys ARCv2.3 64-bit */
354 #define EM_MCS6502	254	/* MOS Technology MCS 6502 processor */
355 #define EM_ARC_COMPACT3	255	/* Synopsys ARCv2.3 32-bit */
356 #define EM_KVX		256	/* Kalray VLIW core of the MPPA processor family */
357 #define EM_65816	257	/* WDC 65816/65C816 */
358 #define EM_LOONGARCH	258	/* LoongArch */
359 #define EM_KF32		259	/* ChipON KungFu32 */
360 #define EM_U16_U8CORE	260	/* LAPIS nX-U16/U8 */
361 #define EM_TACHYUM	261	/* Tachyum */
362 #define EM_56800EF	262	/* NXP 56800EF Digital Signal Controller (DSC) */
363 
364 /* If it is necessary to assign new unofficial EM_* values, please pick large
365    random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
366    with official or non-GNU unofficial values.
367 
368    NOTE: Do not just increment the most recent number by one.
369    Somebody else somewhere will do exactly the same thing, and you
370    will have a collision.  Instead, pick a random number.
371 
372    Normally, each entity or maintainer responsible for a machine with an
373    unofficial e_machine number should eventually ask registry@sco.com for
374    an officially blessed number to be added to the list above.	*/
375 
376 /* AVR magic number.  Written in the absense of an ABI.  */
377 #define EM_AVR_OLD		0x1057
378 
379 /* MSP430 magic number.  Written in the absense of everything.  */
380 #define EM_MSP430_OLD		0x1059
381 
382 /* Morpho MT.   Written in the absense of an ABI.  */
383 #define EM_MT			0x2530
384 
385 /* FR30 magic number - no EABI available.  */
386 #define EM_CYGNUS_FR30		0x3330
387 
388 /* Unofficial value for Web Assembly binaries, as used by LLVM.  */
389 #define EM_WEBASSEMBLY		0x4157
390 
391 /* Freescale S12Z.   The Freescale toolchain generates elf files with this value.  */
392 #define EM_S12Z               0x4DEF
393 
394 /* DLX magic number.  Written in the absense of an ABI.  */
395 #define EM_DLX			0x5aa5
396 
397 /* FRV magic number - no EABI available??.  */
398 #define EM_CYGNUS_FRV		0x5441
399 
400 /* Infineon Technologies 16-bit microcontroller with C166-V2 core.  */
401 #define EM_XC16X		0x4688
402 
403 /* D10V backend magic number.  Written in the absence of an ABI.  */
404 #define EM_CYGNUS_D10V		0x7650
405 
406 /* D30V backend magic number.  Written in the absence of an ABI.  */
407 #define EM_CYGNUS_D30V		0x7676
408 
409 /* Ubicom IP2xxx;   Written in the absense of an ABI.  */
410 #define EM_IP2K_OLD		0x8217
411 
412 /* Cygnus PowerPC ELF backend.  Written in the absence of an ABI.  */
413 #define EM_CYGNUS_POWERPC	0x9025
414 
415 /* Alpha backend magic number.  Written in the absence of an ABI.  */
416 #define EM_ALPHA		0x9026
417 
418 /* Cygnus M32R ELF backend.  Written in the absence of an ABI.  */
419 #define EM_CYGNUS_M32R		0x9041
420 
421 /* V850 backend magic number.  Written in the absense of an ABI.  */
422 #define EM_CYGNUS_V850		0x9080
423 
424 /* old S/390 backend magic number. Written in the absence of an ABI.  */
425 #define EM_S390_OLD		0xa390
426 
427 /* Old, unofficial value for Xtensa.  */
428 #define EM_XTENSA_OLD		0xabc7
429 
430 #define EM_XSTORMY16		0xad45
431 
432 /* mn10200 and mn10300 backend magic numbers.
433    Written in the absense of an ABI.  */
434 #define EM_CYGNUS_MN10300	0xbeef
435 #define EM_CYGNUS_MN10200	0xdead
436 
437 /* Renesas M32C and M16C.  */
438 #define EM_M32C_OLD		0xFEB0
439 
440 /* Vitesse IQ2000.  */
441 #define EM_IQ2000		0xFEBA
442 
443 /* NIOS magic number - no EABI available.  */
444 #define EM_NIOS32		0xFEBB
445 
446 #define EM_CYGNUS_MEP		0xF00D  /* Toshiba MeP */
447 
448 /* Old, unofficial value for Moxie.  */
449 #define EM_MOXIE_OLD            0xFEED
450 
451 #define EM_MICROBLAZE_OLD	0xbaab	/* Old MicroBlaze */
452 
453 #define EM_ADAPTEVA_EPIPHANY	0x1223  /* Adapteva's Epiphany architecture.  */
454 
455 /* Old constant that might be in use by some software. */
456 #define EM_OPENRISC		EM_OR1K
457 
458 /* C-SKY historically used 39, the same value as MCORE, from which the
459    architecture was derived.  */
460 #define EM_CSKY_OLD		EM_MCORE
461 
462 /* See the above comment before you add a new EM_* value here.  */
463 
464 /* Values for e_version.  */
465 
466 #define EV_NONE		0		/* Invalid ELF version */
467 #define EV_CURRENT	1		/* Current version */
468 
469 /* Value for e_phnum. */
470 #define PN_XNUM		0xffff		/* Extended numbering */
471 
472 /* Values for program header, p_type field.  */
473 
474 #define PT_NULL		0		/* Program header table entry unused */
475 #define PT_LOAD		1		/* Loadable program segment */
476 #define PT_DYNAMIC	2		/* Dynamic linking information */
477 #define PT_INTERP	3		/* Program interpreter */
478 #define PT_NOTE		4		/* Auxiliary information */
479 #define PT_SHLIB	5		/* Reserved, unspecified semantics */
480 #define PT_PHDR		6		/* Entry for header table itself */
481 #define PT_TLS		7		/* Thread local storage segment */
482 #define PT_LOOS		0x60000000	/* OS-specific */
483 #define PT_HIOS		0x6fffffff	/* OS-specific */
484 #define PT_LOPROC	0x70000000	/* Processor-specific */
485 #define PT_HIPROC	0x7FFFFFFF	/* Processor-specific */
486 
487 #define PT_GNU_EH_FRAME	(PT_LOOS + 0x474e550) /* Frame unwind information */
488 #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME      /* Solaris uses the same value */
489 #define PT_GNU_STACK	(PT_LOOS + 0x474e551) /* Stack flags */
490 #define PT_GNU_RELRO	(PT_LOOS + 0x474e552) /* Read-only after relocation */
491 #define PT_GNU_PROPERTY	(PT_LOOS + 0x474e553) /* GNU property */
492 
493 /* OpenBSD segment types.  */
494 #define PT_OPENBSD_RANDOMIZE (PT_LOOS + 0x5a3dbe6)  /* Fill with random data.  */
495 #define PT_OPENBSD_WXNEEDED  (PT_LOOS + 0x5a3dbe7)  /* Program does W^X violations.  */
496 #define PT_OPENBSD_BOOTDATA  (PT_LOOS + 0x5a41be6)  /* Section for boot arguments.  */
497 
498 /* Mbind segments */
499 #define PT_GNU_MBIND_NUM 4096
500 #define PT_GNU_MBIND_LO (PT_LOOS + 0x474e555)
501 #define PT_GNU_MBIND_HI (PT_GNU_MBIND_LO + PT_GNU_MBIND_NUM - 1)
502 
503 /* Program segment permissions, in program header p_flags field.  */
504 
505 #define PF_X		(1 << 0)	/* Segment is executable */
506 #define PF_W		(1 << 1)	/* Segment is writable */
507 #define PF_R		(1 << 2)	/* Segment is readable */
508 /* #define PF_MASKOS	0x0F000000    *//* OS-specific reserved bits */
509 #define PF_MASKOS	0x0FF00000	/* New value, Oct 4, 1999 Draft */
510 #define PF_MASKPROC	0xF0000000	/* Processor-specific reserved bits */
511 
512 /* Values for section header, sh_type field.  */
513 
514 #define SHT_NULL	0		/* Section header table entry unused */
515 #define SHT_PROGBITS	1		/* Program specific (private) data */
516 #define SHT_SYMTAB	2		/* Link editing symbol table */
517 #define SHT_STRTAB	3		/* A string table */
518 #define SHT_RELA	4		/* Relocation entries with addends */
519 #define SHT_HASH	5		/* A symbol hash table */
520 #define SHT_DYNAMIC	6		/* Information for dynamic linking */
521 #define SHT_NOTE	7		/* Information that marks file */
522 #define SHT_NOBITS	8		/* Section occupies no space in file */
523 #define SHT_REL		9		/* Relocation entries, no addends */
524 #define SHT_SHLIB	10		/* Reserved, unspecified semantics */
525 #define SHT_DYNSYM	11		/* Dynamic linking symbol table */
526 
527 #define SHT_INIT_ARRAY	  14		/* Array of ptrs to init functions */
528 #define SHT_FINI_ARRAY	  15		/* Array of ptrs to finish functions */
529 #define SHT_PREINIT_ARRAY 16		/* Array of ptrs to pre-init funcs */
530 #define SHT_GROUP	  17		/* Section contains a section group */
531 #define SHT_SYMTAB_SHNDX  18		/* Indices for SHN_XINDEX entries */
532 #define SHT_RELR	  19		/* RELR relative relocations */
533 
534 #define SHT_LOOS	0x60000000	/* First of OS specific semantics */
535 #define SHT_HIOS	0x6fffffff	/* Last of OS specific semantics */
536 
537 #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700   /* incremental build data */
538 #define SHT_GNU_ATTRIBUTES 0x6ffffff5	/* Object attributes */
539 #define SHT_GNU_HASH	0x6ffffff6	/* GNU style symbol hash table */
540 #define SHT_GNU_LIBLIST	0x6ffffff7	/* List of prelink dependencies */
541 
542 /* The next three section types are defined by Solaris, and are named
543    SHT_SUNW*.  We use them in GNU code, so we also define SHT_GNU*
544    versions.  */
545 #define SHT_SUNW_verdef	0x6ffffffd	/* Versions defined by file */
546 #define SHT_SUNW_verneed 0x6ffffffe	/* Versions needed by file */
547 #define SHT_SUNW_versym	0x6fffffff	/* Symbol versions */
548 
549 #define SHT_GNU_verdef	SHT_SUNW_verdef
550 #define SHT_GNU_verneed	SHT_SUNW_verneed
551 #define SHT_GNU_versym	SHT_SUNW_versym
552 
553 #define SHT_LOPROC	0x70000000	/* Processor-specific semantics, lo */
554 #define SHT_HIPROC	0x7FFFFFFF	/* Processor-specific semantics, hi */
555 #define SHT_LOUSER	0x80000000	/* Application-specific semantics */
556 /* #define SHT_HIUSER	0x8FFFFFFF    *//* Application-specific semantics */
557 #define SHT_HIUSER	0xFFFFFFFF	/* New value, defined in Oct 4, 1999 Draft */
558 
559 /* Values for section header, sh_flags field.  */
560 
561 #define SHF_WRITE	(1 << 0)	/* Writable data during execution */
562 #define SHF_ALLOC	(1 << 1)	/* Occupies memory during execution */
563 #define SHF_EXECINSTR	(1 << 2)	/* Executable machine instructions */
564 #define SHF_MERGE	(1 << 4)	/* Data in this section can be merged */
565 #define SHF_STRINGS	(1 << 5)	/* Contains null terminated character strings */
566 #define SHF_INFO_LINK	(1 << 6)	/* sh_info holds section header table index */
567 #define SHF_LINK_ORDER	(1 << 7)	/* Preserve section ordering when linking */
568 #define SHF_OS_NONCONFORMING (1 << 8)	/* OS specific processing required */
569 #define SHF_GROUP	(1 << 9)	/* Member of a section group */
570 #define SHF_TLS		(1 << 10)	/* Thread local storage section */
571 #define SHF_COMPRESSED	(1 << 11)	/* Section with compressed data */
572 
573 /* #define SHF_MASKOS	0x0F000000    *//* OS-specific semantics */
574 #define SHF_MASKOS	0x0FF00000	/* New value, Oct 4, 1999 Draft */
575 #define SHF_GNU_RETAIN	      (1 << 21)	/* Section should not be garbage collected by the linker.  */
576 #define SHF_MASKPROC	0xF0000000	/* Processor-specific semantics */
577 
578 /* This used to be implemented as a processor specific section flag.
579    We just make it generic.  */
580 #define SHF_EXCLUDE	0x80000000	/* Link editor is to exclude
581 					   this section from executable
582 					   and shared library that it
583 					   builds when those objects
584 					   are not to be further
585 					   relocated.  */
586 
587 #define SHF_GNU_MBIND	0x01000000	/* Mbind section.  */
588 
589 /* Compression types.  */
590 #define ELFCOMPRESS_ZLIB   1		/* Compressed with zlib.  */
591 #define ELFCOMPRESS_LOOS   0x60000000	/* OS-specific semantics, lo */
592 #define ELFCOMPRESS_HIOS   0x6FFFFFFF	/* OS-specific semantics, hi */
593 #define ELFCOMPRESS_LOPROC 0x70000000	/* Processor-specific semantics, lo */
594 #define ELFCOMPRESS_HIPROC 0x7FFFFFFF	/* Processor-specific semantics, hi */
595 
596 /* Values of note segment descriptor types for core files.  */
597 
598 #define NT_PRSTATUS	1		/* Contains copy of prstatus struct */
599 #define NT_FPREGSET	2		/* Contains copy of fpregset struct */
600 #define NT_PRPSINFO	3		/* Contains copy of prpsinfo struct */
601 #define NT_TASKSTRUCT	4		/* Contains copy of task struct */
602 #define NT_AUXV		6		/* Contains copy of Elfxx_auxv_t */
603 #define NT_PRXFPREG	0x46e62b7f	/* Contains a user_xfpregs_struct; */
604 					/*   note name must be "LINUX".  */
605 #define NT_PPC_VMX	0x100		/* PowerPC Altivec/VMX registers */
606 					/*   note name must be "LINUX".  */
607 #define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
608 					/*   note name must be "LINUX".  */
609 #define NT_PPC_TAR	0x103		/* PowerPC Target Address Register */
610 					/*   note name must be "LINUX".  */
611 #define NT_PPC_PPR	0x104		/* PowerPC Program Priority Register */
612 					/*   note name must be "LINUX".  */
613 #define NT_PPC_DSCR	0x105		/* PowerPC Data Stream Control Register */
614 					/*   note name must be "LINUX".  */
615 #define NT_PPC_EBB	0x106		/* PowerPC Event Based Branch Registers */
616 					/*   note name must be "LINUX".  */
617 #define NT_PPC_PMU	0x107		/* PowerPC Performance Monitor Registers */
618 					/*   note name must be "LINUX".  */
619 #define NT_PPC_TM_CGPR	0x108		/* PowerPC TM checkpointed GPR Registers */
620 					/*   note name must be "LINUX".  */
621 #define NT_PPC_TM_CFPR	0x109		/* PowerPC TM checkpointed FPR Registers */
622 					/*   note name must be "LINUX".  */
623 #define NT_PPC_TM_CVMX	0x10a		/* PowerPC TM checkpointed VMX Registers */
624 					/*   note name must be "LINUX".  */
625 #define NT_PPC_TM_CVSX	0x10b		/* PowerPC TM checkpointed VSX Registers */
626 					/*   note name must be "LINUX".  */
627 #define NT_PPC_TM_SPR	0x10c		/* PowerPC TM Special Purpose Registers */
628 					/*   note name must be "LINUX".  */
629 #define NT_PPC_TM_CTAR	0x10d		/* PowerPC TM checkpointed TAR */
630 					/*   note name must be "LINUX".  */
631 #define NT_PPC_TM_CPPR	0x10e		/* PowerPC TM checkpointed PPR */
632 					/*   note name must be "LINUX".  */
633 #define NT_PPC_TM_CDSCR	0x10f		/* PowerPC TM checkpointed Data SCR */
634 					/*   note name must be "LINUX".  */
635 #define NT_386_TLS	0x200		/* x86 TLS information */
636 					/*   note name must be "LINUX".  */
637 #define NT_386_IOPERM	0x201		/* x86 io permissions */
638 					/*   note name must be "LINUX".  */
639 #define NT_X86_XSTATE	0x202		/* x86 XSAVE extended state */
640 					/*   note name must be "LINUX".  */
641 #define NT_X86_CET	0x203		/* x86 CET state.  */
642 					/*   note name must be "LINUX".  */
643 #define NT_S390_HIGH_GPRS 0x300		/* S/390 upper halves of GPRs  */
644 					/*   note name must be "LINUX".  */
645 #define NT_S390_TIMER	0x301		/* S390 timer */
646 					/*   note name must be "LINUX".  */
647 #define NT_S390_TODCMP	0x302		/* S390 TOD clock comparator */
648 					/*   note name must be "LINUX".  */
649 #define NT_S390_TODPREG	0x303		/* S390 TOD programmable register */
650 					/*   note name must be "LINUX".  */
651 #define NT_S390_CTRS	0x304		/* S390 control registers */
652 					/*   note name must be "LINUX".  */
653 #define NT_S390_PREFIX	0x305		/* S390 prefix register */
654 					/*   note name must be "LINUX".  */
655 #define NT_S390_LAST_BREAK      0x306   /* S390 breaking event address */
656 					/*   note name must be "LINUX".  */
657 #define NT_S390_SYSTEM_CALL     0x307   /* S390 system call restart data */
658 					/*   note name must be "LINUX".  */
659 #define NT_S390_TDB	0x308		/* S390 transaction diagnostic block */
660 					/*   note name must be "LINUX".  */
661 #define NT_S390_VXRS_LOW	0x309	/* S390 vector registers 0-15 upper half */
662 					/*   note name must be "LINUX".  */
663 #define NT_S390_VXRS_HIGH	0x30a	/* S390 vector registers 16-31 */
664 					/*   note name must be "LINUX".  */
665 #define NT_S390_GS_CB	0x30b		/* s390 guarded storage registers */
666 					/*   note name must be "LINUX".  */
667 #define NT_S390_GS_BC	0x30c		/* s390 guarded storage broadcast control block */
668 					/*   note name must be "LINUX".  */
669 #define NT_ARM_VFP	0x400		/* ARM VFP registers */
670 /* The following definitions should really use NT_AARCH_..., but defined
671    this way for compatibility with Linux.  */
672 #define NT_ARM_TLS	0x401		/* AArch TLS registers */
673 					/*   note name must be "LINUX".  */
674 #define NT_ARM_HW_BREAK	0x402		/* AArch hardware breakpoint registers */
675 					/*   note name must be "LINUX".  */
676 #define NT_ARM_HW_WATCH	0x403		/* AArch hardware watchpoint registers */
677 					/*   note name must be "LINUX".  */
678 #define NT_ARM_SYSTEM_CALL      0x404   /* AArch ARM system call number */
679 					/*   note name must be "LINUX".  */
680 #define NT_ARM_SVE	0x405		/* AArch SVE registers.  */
681 					/*   note name must be "LINUX".  */
682 #define NT_ARM_PAC_MASK	0x406		/* AArch pointer authentication code masks */
683 					/*   note name must be "LINUX".  */
684 #define NT_ARM_PACA_KEYS  0x407		/* ARM pointer authentication address
685 					   keys */
686 					/*   note name must be "LINUX".  */
687 #define NT_ARM_PACG_KEYS  0x408		/* ARM pointer authentication generic
688 					   keys */
689 					/*  note name must be "LINUX".  */
690 #define NT_ARM_TAGGED_ADDR_CTRL	0x409	/* AArch64 tagged address control
691 					   (prctl()) */
692 					/*   note name must be "LINUX".  */
693 #define NT_ARM_PAC_ENABLED_KEYS	0x40a	/* AArch64 pointer authentication
694 					   enabled keys (prctl()) */
695 					/*   note name must be "LINUX".  */
696 #define NT_ARC_V2	0x600		/* ARC HS accumulator/extra registers.  */
697 					/*   note name must be "LINUX".  */
698 #define NT_LARCH_CPUCFG 0xa00		/* LoongArch CPU config registers */
699 					/*   note name must be "LINUX".  */
700 #define NT_LARCH_CSR    0xa01		/* LoongArch Control State Registers */
701 					/*   note name must be "LINUX".  */
702 #define NT_LARCH_LSX    0xa02		/* LoongArch SIMD eXtension registers */
703 					/*   note name must be "LINUX".  */
704 #define NT_LARCH_LASX   0xa03		/* LoongArch Advanced SIMD eXtension registers */
705 					/*   note name must be "LINUX".  */
706 #define NT_LARCH_LBT    0xa04		/* LoongArch Binary Translation registers */
707 					/*   note name must be "CORE".  */
708 #define NT_RISCV_CSR    0x900		/* RISC-V Control and Status Registers */
709 					/*   note name must be "LINUX".  */
710 #define NT_SIGINFO	0x53494749	/* Fields of siginfo_t.  */
711 #define NT_FILE		0x46494c45	/* Description of mapped files.  */
712 
713 /* The range 0xff000000 to 0xffffffff is set aside for notes that don't
714    originate from any particular operating system.  */
715 #define NT_GDB_TDESC	0xff000000	/* Contains copy of GDB's target description XML.  */
716 
717 /* Note segments for core files on dir-style procfs systems.  */
718 
719 #define NT_PSTATUS	10		/* Has a struct pstatus */
720 #define NT_FPREGS	12		/* Has a struct fpregset */
721 #define NT_PSINFO	13		/* Has a struct psinfo */
722 #define NT_LWPSTATUS	16		/* Has a struct lwpstatus_t */
723 #define NT_LWPSINFO	17		/* Has a struct lwpsinfo_t */
724 #define NT_WIN32PSTATUS	18		/* Has a struct win32_pstatus */
725 
726 /* Note segment for SystemTap probes.  */
727 #define NT_STAPSDT	3
728 
729 /* Note segments for core files on FreeBSD systems.  Note name is
730    "FreeBSD".  */
731 
732 #define	NT_FREEBSD_THRMISC	7	/* Thread miscellaneous info. */
733 #define	NT_FREEBSD_PROCSTAT_PROC	8	/* Procstat proc data. */
734 #define	NT_FREEBSD_PROCSTAT_FILES	9	/* Procstat files data. */
735 #define	NT_FREEBSD_PROCSTAT_VMMAP	10	/* Procstat vmmap data. */
736 #define	NT_FREEBSD_PROCSTAT_GROUPS	11	/* Procstat groups data. */
737 #define	NT_FREEBSD_PROCSTAT_UMASK	12	/* Procstat umask data. */
738 #define	NT_FREEBSD_PROCSTAT_RLIMIT	13	/* Procstat rlimit data. */
739 #define	NT_FREEBSD_PROCSTAT_OSREL	14	/* Procstat osreldate data. */
740 #define	NT_FREEBSD_PROCSTAT_PSSTRINGS	15	/* Procstat ps_strings data. */
741 #define	NT_FREEBSD_PROCSTAT_AUXV	16	/* Procstat auxv data. */
742 #define	NT_FREEBSD_PTLWPINFO	17	/* Thread ptrace miscellaneous info. */
743 #define	NT_FREEBSD_X86_SEGBASES	0x200	/* x86 segment base registers */
744 
745 /* Note segments for core files on NetBSD systems.  Note name
746    must start with "NetBSD-CORE".  */
747 
748 #define NT_NETBSDCORE_PROCINFO	1	/* Has a struct procinfo */
749 #define NT_NETBSDCORE_AUXV	2	/* Has auxv data */
750 #define NT_NETBSDCORE_LWPSTATUS	24	/* Has LWPSTATUS data */
751 #define NT_NETBSDCORE_FIRSTMACH	32	/* start of machdep note types */
752 
753 
754 /* Note segments for core files on OpenBSD systems.  Note name is
755    "OpenBSD".  */
756 
757 #define NT_OPENBSD_PROCINFO	10
758 #define NT_OPENBSD_AUXV		11
759 #define NT_OPENBSD_REGS		20
760 #define NT_OPENBSD_FPREGS	21
761 #define NT_OPENBSD_XFPREGS	22
762 #define NT_OPENBSD_WCOOKIE	23
763 
764 
765 /* Note segments for core files on Solaris systems.  Note name
766    must start with "CORE".  */
767 #define SOLARIS_NT_PRSTATUS    1
768 #define SOLARIS_NT_PRFPREG     2
769 #define SOLARIS_NT_PRPSINFO    3
770 #define SOLARIS_NT_PRXREG      4
771 #define SOLARIS_NT_PLATFORM    5
772 #define SOLARIS_NT_AUXV        6
773 #define SOLARIS_NT_GWINDOWS    7
774 #define SOLARIS_NT_ASRS        8
775 #define SOLARIS_NT_LDT         9
776 #define SOLARIS_NT_PSTATUS    10
777 #define SOLARIS_NT_PSINFO     13
778 #define SOLARIS_NT_PRCRED     14
779 #define SOLARIS_NT_UTSNAME    15
780 #define SOLARIS_NT_LWPSTATUS  16
781 #define SOLARIS_NT_LWPSINFO   17
782 #define SOLARIS_NT_PRPRIV     18
783 #define SOLARIS_NT_PRPRIVINFO 19
784 #define SOLARIS_NT_CONTENT    20
785 #define SOLARIS_NT_ZONENAME   21
786 #define SOLARIS_NT_PRCPUXREG  22
787 
788 /* Note segments for core files on SPU systems.  Note name
789    must start with "SPU/".  */
790 
791 #define NT_SPU		1
792 
793 /* Values of note segment descriptor types for object files.  */
794 
795 #define NT_VERSION	1		/* Contains a version string.  */
796 #define NT_ARCH		2		/* Contains an architecture string.  */
797 #define NT_GO_BUILDID	4		/* Contains GO buildid data.  */
798 
799 /* Values for notes in non-core files using name "GNU".  */
800 
801 #define NT_GNU_ABI_TAG		1
802 #define NT_GNU_HWCAP		2	/* Used by ld.so and kernel vDSO.  */
803 #define NT_GNU_BUILD_ID		3	/* Generated by ld --build-id.  */
804 #define NT_GNU_GOLD_VERSION	4	/* Generated by gold.  */
805 #define NT_GNU_PROPERTY_TYPE_0  5	/* Generated by gcc.  */
806 
807 #define NT_GNU_BUILD_ATTRIBUTE_OPEN	0x100
808 #define NT_GNU_BUILD_ATTRIBUTE_FUNC	0x101
809 
810 #define GNU_BUILD_ATTRIBUTE_TYPE_NUMERIC	'*'
811 #define GNU_BUILD_ATTRIBUTE_TYPE_STRING		'$'
812 #define GNU_BUILD_ATTRIBUTE_TYPE_BOOL_TRUE	'+'
813 #define GNU_BUILD_ATTRIBUTE_TYPE_BOOL_FALSE	'!'
814 
815 #define GNU_BUILD_ATTRIBUTE_VERSION	1
816 #define GNU_BUILD_ATTRIBUTE_STACK_PROT	2
817 #define GNU_BUILD_ATTRIBUTE_RELRO	3
818 #define GNU_BUILD_ATTRIBUTE_STACK_SIZE	4
819 #define GNU_BUILD_ATTRIBUTE_TOOL	5
820 #define GNU_BUILD_ATTRIBUTE_ABI		6
821 #define GNU_BUILD_ATTRIBUTE_PIC		7
822 #define GNU_BUILD_ATTRIBUTE_SHORT_ENUM	8
823 
824 #define NOTE_GNU_PROPERTY_SECTION_NAME	".note.gnu.property"
825 #define GNU_BUILD_ATTRS_SECTION_NAME	".gnu.build.attributes"
826 
827 /* Values used in GNU .note.gnu.property notes (NT_GNU_PROPERTY_TYPE_0).  */
828 #define GNU_PROPERTY_STACK_SIZE			1
829 #define GNU_PROPERTY_NO_COPY_ON_PROTECTED	2
830 
831 /* A 4-byte unsigned integer property: A bit is set if it is set in all
832    relocatable inputs.  */
833 #define GNU_PROPERTY_UINT32_AND_LO	0xb0000000
834 #define GNU_PROPERTY_UINT32_AND_HI	0xb0007fff
835 
836 /* A 4-byte unsigned integer property: A bit is set if it is set in any
837    relocatable inputs.  */
838 #define GNU_PROPERTY_UINT32_OR_LO	0xb0008000
839 #define GNU_PROPERTY_UINT32_OR_HI	0xb000ffff
840 
841 /* The needed properties by the object file.  */
842 #define GNU_PROPERTY_1_NEEDED		GNU_PROPERTY_UINT32_OR_LO
843 
844 /* Set if the object file requires canonical function pointers and
845    cannot be used with copy relocation.  */
846 #define GNU_PROPERTY_1_NEEDED_INDIRECT_EXTERN_ACCESS	(1U << 0)
847 
848 /* Processor-specific semantics, lo */
849 #define GNU_PROPERTY_LOPROC  0xc0000000
850 /* Processor-specific semantics, hi */
851 #define GNU_PROPERTY_HIPROC  0xdfffffff
852 /* Application-specific semantics, lo */
853 #define GNU_PROPERTY_LOUSER  0xe0000000
854 /* Application-specific semantics, hi */
855 #define GNU_PROPERTY_HIUSER  0xffffffff
856 
857 #define GNU_PROPERTY_X86_COMPAT_ISA_1_USED	0xc0000000
858 #define GNU_PROPERTY_X86_COMPAT_ISA_1_NEEDED	0xc0000001
859 
860 #define GNU_PROPERTY_X86_COMPAT_ISA_1_486	(1U << 0)
861 #define GNU_PROPERTY_X86_COMPAT_ISA_1_586	(1U << 1)
862 #define GNU_PROPERTY_X86_COMPAT_ISA_1_686	(1U << 2)
863 #define GNU_PROPERTY_X86_COMPAT_ISA_1_SSE	(1U << 3)
864 #define GNU_PROPERTY_X86_COMPAT_ISA_1_SSE2	(1U << 4)
865 #define GNU_PROPERTY_X86_COMPAT_ISA_1_SSE3	(1U << 5)
866 #define GNU_PROPERTY_X86_COMPAT_ISA_1_SSSE3	(1U << 6)
867 #define GNU_PROPERTY_X86_COMPAT_ISA_1_SSE4_1	(1U << 7)
868 #define GNU_PROPERTY_X86_COMPAT_ISA_1_SSE4_2	(1U << 8)
869 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX	(1U << 9)
870 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX2	(1U << 10)
871 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX512F	(1U << 11)
872 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX512CD	(1U << 12)
873 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX512ER	(1U << 13)
874 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX512PF	(1U << 14)
875 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX512VL	(1U << 15)
876 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX512DQ	(1U << 16)
877 #define GNU_PROPERTY_X86_COMPAT_ISA_1_AVX512BW	(1U << 17)
878 
879 /* A 4-byte unsigned integer property: A bit is set if it is set in all
880    relocatable inputs.  */
881 #define GNU_PROPERTY_X86_UINT32_AND_LO		0xc0000002
882 #define GNU_PROPERTY_X86_UINT32_AND_HI		0xc0007fff
883 
884 /* A 4-byte unsigned integer property: A bit is set if it is set in any
885    relocatable inputs.  */
886 #define GNU_PROPERTY_X86_UINT32_OR_LO		0xc0008000
887 #define GNU_PROPERTY_X86_UINT32_OR_HI		0xc000ffff
888 
889 /* A 4-byte unsigned integer property: A bit is set if it is set in any
890    relocatable inputs and the property is present in all relocatable
891    inputs.  */
892 #define GNU_PROPERTY_X86_UINT32_OR_AND_LO	0xc0010000
893 #define GNU_PROPERTY_X86_UINT32_OR_AND_HI	0xc0017fff
894 
895 #define GNU_PROPERTY_X86_FEATURE_1_AND \
896   (GNU_PROPERTY_X86_UINT32_AND_LO + 0)
897 
898 #define GNU_PROPERTY_X86_ISA_1_NEEDED \
899   (GNU_PROPERTY_X86_UINT32_OR_LO + 2)
900 #define GNU_PROPERTY_X86_FEATURE_2_NEEDED \
901   (GNU_PROPERTY_X86_UINT32_OR_LO + 1)
902 
903 #define GNU_PROPERTY_X86_ISA_1_USED \
904   (GNU_PROPERTY_X86_UINT32_OR_AND_LO + 2)
905 #define GNU_PROPERTY_X86_FEATURE_2_USED \
906   (GNU_PROPERTY_X86_UINT32_OR_AND_LO + 1)
907 
908 /* GNU_PROPERTY_X86_ISA_1_BASELINE: CMOV, CX8 (cmpxchg8b), FPU (fld),
909    MMX, OSFXSR (fxsave), SCE (syscall), SSE and SSE2.  */
910 #define GNU_PROPERTY_X86_ISA_1_BASELINE		(1U << 0)
911 /* GNU_PROPERTY_X86_ISA_1_V2: GNU_PROPERTY_X86_ISA_1_BASELINE,
912    CMPXCHG16B (cmpxchg16b), LAHF-SAHF (lahf), POPCNT (popcnt), SSE3,
913    SSSE3, SSE4.1 and SSE4.2.  */
914 #define GNU_PROPERTY_X86_ISA_1_V2		(1U << 1)
915 /* GNU_PROPERTY_X86_ISA_1_V3: GNU_PROPERTY_X86_ISA_1_V2, AVX, AVX2, BMI1,
916    BMI2, F16C, FMA, LZCNT, MOVBE, XSAVE.  */
917 #define GNU_PROPERTY_X86_ISA_1_V3		(1U << 2)
918 /* GNU_PROPERTY_X86_ISA_1_V4: GNU_PROPERTY_X86_ISA_1_V3, AVX512F,
919    AVX512BW, AVX512CD, AVX512DQ and AVX512VL.  */
920 #define GNU_PROPERTY_X86_ISA_1_V4		(1U << 3)
921 
922 #define GNU_PROPERTY_X86_FEATURE_1_IBT		(1U << 0)
923 #define GNU_PROPERTY_X86_FEATURE_1_SHSTK	(1U << 1)
924 #define GNU_PROPERTY_X86_FEATURE_1_LAM_U48	(1U << 2)
925 #define GNU_PROPERTY_X86_FEATURE_1_LAM_U57	(1U << 3)
926 
927 #define GNU_PROPERTY_X86_FEATURE_2_X86		(1U << 0)
928 #define GNU_PROPERTY_X86_FEATURE_2_X87		(1U << 1)
929 #define GNU_PROPERTY_X86_FEATURE_2_MMX		(1U << 2)
930 #define GNU_PROPERTY_X86_FEATURE_2_XMM		(1U << 3)
931 #define GNU_PROPERTY_X86_FEATURE_2_YMM		(1U << 4)
932 #define GNU_PROPERTY_X86_FEATURE_2_ZMM		(1U << 5)
933 #define GNU_PROPERTY_X86_FEATURE_2_FXSR		(1U << 6)
934 #define GNU_PROPERTY_X86_FEATURE_2_XSAVE	(1U << 7)
935 #define GNU_PROPERTY_X86_FEATURE_2_XSAVEOPT	(1U << 8)
936 #define GNU_PROPERTY_X86_FEATURE_2_XSAVEC	(1U << 9)
937 #define GNU_PROPERTY_X86_FEATURE_2_TMM		(1U << 10)
938 #define GNU_PROPERTY_X86_FEATURE_2_MASK		(1U << 11)
939 
940 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_NEEDED \
941   (GNU_PROPERTY_X86_UINT32_OR_LO + 0)
942 
943 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_USED \
944   (GNU_PROPERTY_X86_UINT32_OR_AND_LO + 0)
945 
946 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_CMOV		(1U << 0)
947 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_SSE		(1U << 1)
948 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_SSE2		(1U << 2)
949 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_SSE3		(1U << 3)
950 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_SSSE3		(1U << 4)
951 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_SSE4_1		(1U << 5)
952 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_SSE4_2		(1U << 6)
953 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX		(1U << 7)
954 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX2		(1U << 8)
955 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_FMA		(1U << 9)
956 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512F		(1U << 10)
957 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512CD	(1U << 11)
958 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512ER	(1U << 12)
959 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512PF	(1U << 13)
960 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512VL	(1U << 14)
961 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512DQ	(1U << 15)
962 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512BW	(1U << 16)
963 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_4FMAPS	(1U << 17)
964 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_4VNNIW	(1U << 18)
965 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_BITALG	(1U << 19)
966 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_IFMA	(1U << 20)
967 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_VBMI	(1U << 21)
968 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_VBMI2	(1U << 22)
969 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_VNNI	(1U << 23)
970 #define GNU_PROPERTY_X86_COMPAT_2_ISA_1_AVX512_BF16	(1U << 24)
971 
972 /* AArch64 specific GNU PROPERTY.  */
973 #define GNU_PROPERTY_AARCH64_FEATURE_1_AND	0xc0000000
974 
975 #define GNU_PROPERTY_AARCH64_FEATURE_1_BTI	(1U << 0)
976 #define GNU_PROPERTY_AARCH64_FEATURE_1_PAC	(1U << 1)
977 
978 /* Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG).  */
979 #define GNU_ABI_TAG_LINUX	0
980 #define GNU_ABI_TAG_HURD	1
981 #define GNU_ABI_TAG_SOLARIS	2
982 #define GNU_ABI_TAG_FREEBSD	3
983 #define GNU_ABI_TAG_NETBSD	4
984 #define GNU_ABI_TAG_SYLLABLE	5
985 #define GNU_ABI_TAG_NACL	6
986 
987 /* Values for NetBSD .note.netbsd.ident notes.  Note name is "NetBSD".  */
988 
989 #define NT_NETBSD_IDENT		1
990 #define NT_NETBSD_MARCH		5
991 
992 /* Values for NetBSD .note.netbsd.ident notes.  Note name is "PaX".  */
993 #define NT_NETBSD_PAX		3
994 #define NT_NETBSD_PAX_MPROTECT		0x01	/* Force enable Mprotect.  */
995 #define NT_NETBSD_PAX_NOMPROTECT	0x02	/* Force disable Mprotect.  */
996 #define NT_NETBSD_PAX_GUARD		0x04	/* Force enable Segvguard.  */
997 #define NT_NETBSD_PAX_NOGUARD		0x08	/* Force disable Segvguard.  */
998 #define NT_NETBSD_PAX_ASLR		0x10	/* Force enable ASLR.  */
999 #define NT_NETBSD_PAX_NOASLR		0x20	/* Force disable ASLR.  */
1000 
1001 /* Values for OpenBSD .note.openbsd.ident notes.  Note name is "OpenBSD".  */
1002 
1003 #define NT_OPENBSD_IDENT	1
1004 
1005 /* Values for FreeBSD .note.ABI-tag notes.  Note name is "FreeBSD".  */
1006 
1007 #define NT_FREEBSD_ABI_TAG	1
1008 
1009 /* Values for FDO .note.package notes as defined on https://systemd.io/COREDUMP_PACKAGE_METADATA/  */
1010 #define FDO_PACKAGING_METADATA	0xcafe1a7e
1011 
1012 /* These three macros disassemble and assemble a symbol table st_info field,
1013    which contains the symbol binding and symbol type.  The STB_ and STT_
1014    defines identify the binding and type.  */
1015 
1016 #define ELF_ST_BIND(val)		(((unsigned int)(val)) >> 4)
1017 #define ELF_ST_TYPE(val)		((val) & 0xF)
1018 #define ELF_ST_INFO(bind,type)		(((bind) << 4) + ((type) & 0xF))
1019 
1020 /* The 64bit and 32bit versions of these macros are identical, but
1021    the ELF spec defines them, so here they are.  */
1022 #define ELF32_ST_BIND  ELF_ST_BIND
1023 #define ELF32_ST_TYPE  ELF_ST_TYPE
1024 #define ELF32_ST_INFO  ELF_ST_INFO
1025 #define ELF64_ST_BIND  ELF_ST_BIND
1026 #define ELF64_ST_TYPE  ELF_ST_TYPE
1027 #define ELF64_ST_INFO  ELF_ST_INFO
1028 
1029 /* This macro disassembles and assembles a symbol's visibility into
1030    the st_other field.  The STV_ defines specify the actual visibility.  */
1031 
1032 #define ELF_ST_VISIBILITY(v)		((v) & 0x3)
1033 /* The remaining bits in the st_other field are not currently used.
1034    They should be set to zero.  */
1035 
1036 #define ELF32_ST_VISIBILITY  ELF_ST_VISIBILITY
1037 #define ELF64_ST_VISIBILITY  ELF_ST_VISIBILITY
1038 
1039 
1040 #define STN_UNDEF	0		/* Undefined symbol index */
1041 
1042 #define STB_LOCAL	0		/* Symbol not visible outside obj */
1043 #define STB_GLOBAL	1		/* Symbol visible outside obj */
1044 #define STB_WEAK	2		/* Like globals, lower precedence */
1045 #define STB_LOOS	10		/* OS-specific semantics */
1046 #define STB_GNU_UNIQUE	10		/* Symbol is unique in namespace */
1047 #define STB_HIOS	12		/* OS-specific semantics */
1048 #define STB_LOPROC	13		/* Processor-specific semantics */
1049 #define STB_HIPROC	15		/* Processor-specific semantics */
1050 
1051 #define STT_NOTYPE	0		/* Symbol type is unspecified */
1052 #define STT_OBJECT	1		/* Symbol is a data object */
1053 #define STT_FUNC	2		/* Symbol is a code object */
1054 #define STT_SECTION	3		/* Symbol associated with a section */
1055 #define STT_FILE	4		/* Symbol gives a file name */
1056 #define STT_COMMON	5		/* An uninitialised common block */
1057 #define STT_TLS		6		/* Thread local data object */
1058 #define STT_RELC	8		/* Complex relocation expression */
1059 #define STT_SRELC	9		/* Signed Complex relocation expression */
1060 #define STT_LOOS	10		/* OS-specific semantics */
1061 #define STT_GNU_IFUNC	10		/* Symbol is an indirect code object */
1062 #define STT_HIOS	12		/* OS-specific semantics */
1063 #define STT_LOPROC	13		/* Processor-specific semantics */
1064 #define STT_HIPROC	15		/* Processor-specific semantics */
1065 
1066 /* The following constants control how a symbol may be accessed once it has
1067    become part of an executable or shared library.  */
1068 
1069 #define STV_DEFAULT	0		/* Visibility is specified by binding type */
1070 #define STV_INTERNAL	1		/* OS specific version of STV_HIDDEN */
1071 #define STV_HIDDEN	2		/* Can only be seen inside currect component */
1072 #define STV_PROTECTED	3		/* Treat as STB_LOCAL inside current component */
1073 
1074 /* Relocation info handling macros.  */
1075 
1076 #define ELF32_R_SYM(i)		((i) >> 8)
1077 #define ELF32_R_TYPE(i)		((i) & 0xff)
1078 #define ELF32_R_INFO(s,t)	(((unsigned) (s) << 8) + ((t) & 0xff))
1079 
1080 #define ELF64_R_SYM(i)		((i) >> 32)
1081 #define ELF64_R_TYPE(i)		((i) & 0xffffffff)
1082 #define ELF64_R_INFO(s,t)	(((bfd_vma) (s) << 31 << 1) + (bfd_vma) (t))
1083 
1084 /* Dynamic section tags.  */
1085 
1086 #define DT_NULL		0
1087 #define DT_NEEDED	1
1088 #define DT_PLTRELSZ	2
1089 #define DT_PLTGOT	3
1090 #define DT_HASH		4
1091 #define DT_STRTAB	5
1092 #define DT_SYMTAB	6
1093 #define DT_RELA		7
1094 #define DT_RELASZ	8
1095 #define DT_RELAENT	9
1096 #define DT_STRSZ	10
1097 #define DT_SYMENT	11
1098 #define DT_INIT		12
1099 #define DT_FINI		13
1100 #define DT_SONAME	14
1101 #define DT_RPATH	15
1102 #define DT_SYMBOLIC	16
1103 #define DT_REL		17
1104 #define DT_RELSZ	18
1105 #define DT_RELENT	19
1106 #define DT_PLTREL	20
1107 #define DT_DEBUG	21
1108 #define DT_TEXTREL	22
1109 #define DT_JMPREL	23
1110 #define DT_BIND_NOW	24
1111 #define DT_INIT_ARRAY	25
1112 #define DT_FINI_ARRAY	26
1113 #define DT_INIT_ARRAYSZ 27
1114 #define DT_FINI_ARRAYSZ 28
1115 #define DT_RUNPATH	29
1116 #define DT_FLAGS	30
1117 #define DT_PREINIT_ARRAY   32
1118 #define DT_PREINIT_ARRAYSZ 33
1119 #define DT_SYMTAB_SHNDX    34
1120 #define DT_RELRSZ	35
1121 #define DT_RELR		36
1122 #define DT_RELRENT	37
1123 #define DT_ENCODING	38
1124 
1125 /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
1126    for DT_LOOS and DT_HIOS.  Some implementations however, use
1127    values outside of the new range (see below).	 */
1128 #define OLD_DT_LOOS	0x60000000
1129 #define DT_LOOS		0x6000000d
1130 #define DT_HIOS		0x6ffff000
1131 #define OLD_DT_HIOS	0x6fffffff
1132 
1133 #define DT_LOPROC	0x70000000
1134 #define DT_HIPROC	0x7fffffff
1135 
1136 /* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to
1137    DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI),
1138    are used on Solaris.  We support them everywhere.  Note these values
1139    lie outside of the (new) range for OS specific values.  This is a
1140    deliberate special case and we maintain it for backwards compatability.
1141  */
1142 #define DT_VALRNGLO	0x6ffffd00
1143 #define DT_GNU_FLAGS_1  0x6ffffdf4
1144 #define DT_GNU_PRELINKED 0x6ffffdf5
1145 #define DT_GNU_CONFLICTSZ 0x6ffffdf6
1146 #define DT_GNU_LIBLISTSZ 0x6ffffdf7
1147 #define DT_CHECKSUM	0x6ffffdf8
1148 #define DT_PLTPADSZ	0x6ffffdf9
1149 #define DT_MOVEENT	0x6ffffdfa
1150 #define DT_MOVESZ	0x6ffffdfb
1151 #define DT_FEATURE	0x6ffffdfc
1152 #define DT_POSFLAG_1	0x6ffffdfd
1153 #define DT_SYMINSZ	0x6ffffdfe
1154 #define DT_SYMINENT	0x6ffffdff
1155 #define DT_VALRNGHI	0x6ffffdff
1156 
1157 #define DT_ADDRRNGLO	0x6ffffe00
1158 #define DT_GNU_HASH	0x6ffffef5
1159 #define DT_TLSDESC_PLT	0x6ffffef6
1160 #define DT_TLSDESC_GOT	0x6ffffef7
1161 #define DT_GNU_CONFLICT	0x6ffffef8
1162 #define DT_GNU_LIBLIST	0x6ffffef9
1163 #define DT_CONFIG	0x6ffffefa
1164 #define DT_DEPAUDIT	0x6ffffefb
1165 #define DT_AUDIT	0x6ffffefc
1166 #define DT_PLTPAD	0x6ffffefd
1167 #define DT_MOVETAB	0x6ffffefe
1168 #define DT_SYMINFO	0x6ffffeff
1169 #define DT_ADDRRNGHI	0x6ffffeff
1170 
1171 #define DT_RELACOUNT	0x6ffffff9
1172 #define DT_RELCOUNT	0x6ffffffa
1173 #define DT_FLAGS_1	0x6ffffffb
1174 #define DT_VERDEF	0x6ffffffc
1175 #define DT_VERDEFNUM	0x6ffffffd
1176 #define DT_VERNEED	0x6ffffffe
1177 #define DT_VERNEEDNUM	0x6fffffff
1178 
1179 /* This tag is a GNU extension to the Solaris version scheme.  */
1180 #define DT_VERSYM	0x6ffffff0
1181 
1182 #define DT_LOPROC	0x70000000
1183 #define DT_HIPROC	0x7fffffff
1184 
1185 /* These section tags are used on Solaris.  We support them
1186    everywhere, and hope they do not conflict.  */
1187 
1188 #define DT_AUXILIARY	0x7ffffffd
1189 #define DT_USED		0x7ffffffe
1190 #define DT_FILTER	0x7fffffff
1191 
1192 
1193 /* Values used in DT_FEATURE .dynamic entry.  */
1194 #define DTF_1_PARINIT	0x00000001
1195 /* From
1196 
1197    http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
1198 
1199    DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
1200    defined here is the same as the one in <sys/link.h> on Solaris 8.  */
1201 #define DTF_1_CONFEXP	0x00000002
1202 
1203 /* Flag values used in the DT_POSFLAG_1 .dynamic entry.	 */
1204 #define DF_P1_LAZYLOAD	0x00000001
1205 #define DF_P1_GROUPPERM	0x00000002
1206 
1207 /* Flag value in the DT_GNU_FLAGS_1 /dynamic entry.  */
1208 #define DF_GNU_1_UNIQUE 0x00000001
1209 
1210 /* Flag value in in the DT_FLAGS_1 .dynamic entry.  */
1211 #define DF_1_NOW	0x00000001
1212 #define DF_1_GLOBAL	0x00000002
1213 #define DF_1_GROUP	0x00000004
1214 #define DF_1_NODELETE	0x00000008
1215 #define DF_1_LOADFLTR	0x00000010
1216 #define DF_1_INITFIRST	0x00000020
1217 #define DF_1_NOOPEN	0x00000040
1218 #define DF_1_ORIGIN	0x00000080
1219 #define DF_1_DIRECT	0x00000100
1220 #define DF_1_TRANS	0x00000200
1221 #define DF_1_INTERPOSE	0x00000400
1222 #define DF_1_NODEFLIB	0x00000800
1223 #define DF_1_NODUMP	0x00001000
1224 #define DF_1_CONFALT	0x00002000
1225 #define DF_1_ENDFILTEE	0x00004000
1226 #define	DF_1_DISPRELDNE	0x00008000
1227 #define	DF_1_DISPRELPND	0x00010000
1228 #define	DF_1_NODIRECT	0x00020000
1229 #define	DF_1_IGNMULDEF	0x00040000
1230 #define	DF_1_NOKSYMS	0x00080000
1231 #define	DF_1_NOHDR	0x00100000
1232 #define	DF_1_EDITED	0x00200000
1233 #define	DF_1_NORELOC	0x00400000
1234 #define	DF_1_SYMINTPOSE	0x00800000
1235 #define	DF_1_GLOBAUDIT	0x01000000
1236 #define	DF_1_SINGLETON	0x02000000
1237 #define	DF_1_STUB	0x04000000
1238 #define	DF_1_PIE	0x08000000
1239 #define	DF_1_KMOD	0x10000000
1240 #define	DF_1_WEAKFILTER	0x20000000
1241 #define	DF_1_NOCOMMON	0x40000000
1242 
1243 /* Flag values for the DT_FLAGS entry.	*/
1244 #define DF_ORIGIN	(1 << 0)
1245 #define DF_SYMBOLIC	(1 << 1)
1246 #define DF_TEXTREL	(1 << 2)
1247 #define DF_BIND_NOW	(1 << 3)
1248 #define DF_STATIC_TLS	(1 << 4)
1249 
1250 /* These constants are used for the version number of a Elf32_Verdef
1251    structure.  */
1252 
1253 #define VER_DEF_NONE		0
1254 #define VER_DEF_CURRENT		1
1255 
1256 /* These constants appear in the vd_flags field of a Elf32_Verdef
1257    structure.
1258 
1259    Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format,
1260    Versioning Sections, for a description:
1261 
1262    http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view  */
1263 
1264 #define VER_FLG_BASE		0x1
1265 #define VER_FLG_WEAK		0x2
1266 #define VER_FLG_INFO		0x4
1267 
1268 /* These special constants can be found in an Elf32_Versym field.  */
1269 
1270 #define VER_NDX_LOCAL		0
1271 #define VER_NDX_GLOBAL		1
1272 
1273 /* These constants are used for the version number of a Elf32_Verneed
1274    structure.  */
1275 
1276 #define VER_NEED_NONE		0
1277 #define VER_NEED_CURRENT	1
1278 
1279 /* This flag appears in a Versym structure.  It means that the symbol
1280    is hidden, and is only visible with an explicit version number.
1281    This is a GNU extension.  */
1282 
1283 #define VERSYM_HIDDEN		0x8000
1284 
1285 /* This is the mask for the rest of the Versym information.  */
1286 
1287 #define VERSYM_VERSION		0x7fff
1288 
1289 /* This is a special token which appears as part of a symbol name.  It
1290    indictes that the rest of the name is actually the name of a
1291    version node, and is not part of the actual name.  This is a GNU
1292    extension.  For example, the symbol name `stat@ver2' is taken to
1293    mean the symbol `stat' in version `ver2'.  */
1294 
1295 #define ELF_VER_CHR	'@'
1296 
1297 /* Possible values for si_boundto.  */
1298 
1299 #define SYMINFO_BT_SELF		0xffff	/* Symbol bound to self */
1300 #define SYMINFO_BT_PARENT	0xfffe	/* Symbol bound to parent */
1301 #define SYMINFO_BT_LOWRESERVE	0xff00	/* Beginning of reserved entries */
1302 
1303 /* Possible bitmasks for si_flags.  */
1304 
1305 #define SYMINFO_FLG_DIRECT	0x0001	/* Direct bound symbol */
1306 #define SYMINFO_FLG_PASSTHRU	0x0002	/* Pass-thru symbol for translator */
1307 #define SYMINFO_FLG_COPY	0x0004	/* Symbol is a copy-reloc */
1308 #define SYMINFO_FLG_LAZYLOAD	0x0008	/* Symbol bound to object to be lazy loaded */
1309 
1310 /* Syminfo version values.  */
1311 
1312 #define SYMINFO_NONE		0
1313 #define SYMINFO_CURRENT		1
1314 #define SYMINFO_NUM		2
1315 
1316 /* Section Group Flags.	 */
1317 
1318 #define GRP_COMDAT		0x1	/* A COMDAT group */
1319 #define GRP_MASKOS 	 0x0ff00000	/* Bits in this range reserved for OS specific use.  */
1320 #define GRP_MASKPROC 	 0xf0000000	/* Bits in this range reserved for processor use.  */
1321 
1322 /* Auxv a_type values.  */
1323 
1324 #define AT_NULL		0		/* End of vector */
1325 #define AT_IGNORE	1		/* Entry should be ignored */
1326 #define AT_EXECFD	2		/* File descriptor of program */
1327 #define AT_PHDR		3		/* Program headers for program */
1328 #define AT_PHENT	4		/* Size of program header entry */
1329 #define AT_PHNUM	5		/* Number of program headers */
1330 #define AT_PAGESZ	6		/* System page size */
1331 #define AT_BASE		7		/* Base address of interpreter */
1332 #define AT_FLAGS	8		/* Flags */
1333 #define AT_ENTRY	9		/* Entry point of program */
1334 #define AT_NOTELF	10		/* Program is not ELF */
1335 #define AT_UID		11		/* Real uid */
1336 #define AT_EUID		12		/* Effective uid */
1337 #define AT_GID		13		/* Real gid */
1338 #define AT_EGID		14		/* Effective gid */
1339 #define AT_CLKTCK	17		/* Frequency of times() */
1340 #define AT_PLATFORM	15		/* String identifying platform.  */
1341 #define AT_HWCAP	16		/* Machine dependent hints about
1342 					   processor capabilities.  */
1343 #define AT_FPUCW	18		/* Used FPU control word.  */
1344 #define AT_DCACHEBSIZE	19		/* Data cache block size.  */
1345 #define AT_ICACHEBSIZE	20		/* Instruction cache block size.  */
1346 #define AT_UCACHEBSIZE	21		/* Unified cache block size.  */
1347 #define AT_IGNOREPPC	22		/* Entry should be ignored */
1348 #define	AT_SECURE	23		/* Boolean, was exec setuid-like?  */
1349 #define AT_BASE_PLATFORM 24		/* String identifying real platform,
1350 					   may differ from AT_PLATFORM.  */
1351 #define AT_RANDOM	25		/* Address of 16 random bytes.  */
1352 #define AT_HWCAP2	26		/* Extension of AT_HWCAP.  */
1353 #define AT_EXECFN	31		/* Filename of executable.  */
1354 /* Pointer to the global system page used for system calls and other
1355    nice things.  */
1356 #define AT_SYSINFO	32
1357 #define AT_SYSINFO_EHDR	33 /* Pointer to ELF header of system-supplied DSO.  */
1358 
1359 /* More complete cache descriptions than AT_[DIU]CACHEBSIZE.  If the
1360    value is -1, then the cache doesn't exist.  Otherwise:
1361 
1362    bit 0-3:  Cache set-associativity; 0 means fully associative.
1363    bit 4-7:  Log2 of cacheline size.
1364    bit 8-31:  Size of the entire cache >> 8.  */
1365 
1366 #define AT_L1I_CACHESHAPE 34
1367 #define AT_L1D_CACHESHAPE 35
1368 #define AT_L2_CACHESHAPE  36
1369 #define AT_L3_CACHESHAPE  37
1370 
1371 /* Shapes of the caches, with more room to describe them.
1372    *GEOMETRY are comprised of cache line size in bytes in the bottom 16 bits
1373    and the cache associativity in the next 16 bits.  */
1374 #define AT_L1I_CACHESIZE	40
1375 #define AT_L1I_CACHEGEOMETRY	41
1376 #define AT_L1D_CACHESIZE	42
1377 #define AT_L1D_CACHEGEOMETRY	43
1378 #define AT_L2_CACHESIZE		44
1379 #define AT_L2_CACHEGEOMETRY	45
1380 #define AT_L3_CACHESIZE		46
1381 #define AT_L3_CACHEGEOMETRY	47
1382 
1383 #define AT_MINSIGSTKSZ		51 /* Stack needed for signal delivery
1384 				      (AArch64).  */
1385 
1386 #define AT_FREEBSD_EXECPATH     15      /* Path to the executable. */
1387 #define AT_FREEBSD_CANARY       16      /* Canary for SSP. */
1388 #define AT_FREEBSD_CANARYLEN    17      /* Length of the canary. */
1389 #define AT_FREEBSD_OSRELDATE    18      /* OSRELDATE. */
1390 #define AT_FREEBSD_NCPUS        19      /* Number of CPUs. */
1391 #define AT_FREEBSD_PAGESIZES    20      /* Pagesizes. */
1392 #define AT_FREEBSD_PAGESIZESLEN 21      /* Number of pagesizes. */
1393 #define AT_FREEBSD_TIMEKEEP     22      /* Pointer to timehands. */
1394 #define AT_FREEBSD_STACKPROT    23      /* Initial stack protection. */
1395 #define AT_FREEBSD_EHDRFLAGS    24      /* e_flags field from ELF header. */
1396 #define AT_FREEBSD_HWCAP        25      /* CPU feature flags. */
1397 #define AT_FREEBSD_HWCAP2       26      /* CPU feature flags 2. */
1398 #define AT_FREEBSD_BSDFLAGS     27      /* ELF BSD Flags. */
1399 #define AT_FREEBSD_ARGC         28      /* Argument count. */
1400 #define AT_FREEBSD_ARGV         29      /* Argument vector. */
1401 #define AT_FREEBSD_ENVC         30      /* Environment count. */
1402 #define AT_FREEBSD_ENVV         31      /* Environment vvector. */
1403 #define AT_FREEBSD_PS_STRINGS   32      /* struct ps_strings. */
1404 #define AT_FREEBSD_FXRNG        33      /* Pointer to root RNG seed version. */
1405 #define AT_FREEBSD_KPRELOAD     34      /* Base of vdso. */
1406 
1407 #define AT_SUN_UID      2000    /* Effective user ID.  */
1408 #define AT_SUN_RUID     2001    /* Real user ID.  */
1409 #define AT_SUN_GID      2002    /* Effective group ID.  */
1410 #define AT_SUN_RGID     2003    /* Real group ID.  */
1411 #define AT_SUN_LDELF    2004    /* Dynamic linker's ELF header.  */
1412 #define AT_SUN_LDSHDR   2005    /* Dynamic linker's section headers.  */
1413 #define AT_SUN_LDNAME   2006    /* String giving name of dynamic linker.  */
1414 #define AT_SUN_LPAGESZ  2007    /* Large pagesize.   */
1415 #define AT_SUN_PLATFORM 2008    /* Platform name string.  */
1416 #define AT_SUN_CAP_HW1	2009	/* Machine dependent hints about
1417 				   processor capabilities.  */
1418 #ifndef AT_SUN_HWCAP
1419 #define AT_SUN_HWCAP	AT_SUN_CAP_HW1 /* For backward compat only.  */
1420 #endif
1421 #define AT_SUN_IFLUSH   2010    /* Should flush icache? */
1422 #define AT_SUN_CPU      2011    /* CPU name string.  */
1423 #define AT_SUN_EMUL_ENTRY 2012	/* COFF entry point address.  */
1424 #define AT_SUN_EMUL_EXECFD 2013	/* COFF executable file descriptor.  */
1425 #define AT_SUN_EXECNAME 2014    /* Canonicalized file name given to execve.  */
1426 #define AT_SUN_MMU      2015    /* String for name of MMU module.   */
1427 #define AT_SUN_LDDATA   2016    /* Dynamic linker's data segment address.  */
1428 #define AT_SUN_AUXFLAGS	2017	/* AF_SUN_ flags passed from the kernel.  */
1429 #define	AT_SUN_EMULATOR	2018	/* Name of emulation binary for runtime
1430 				   linker.  */
1431 #define	AT_SUN_BRANDNAME 2019	/* Name of brand library.  */
1432 #define	AT_SUN_BRAND_AUX1 2020	/* Aux vectors for brand modules.  */
1433 #define	AT_SUN_BRAND_AUX2 2021
1434 #define	AT_SUN_BRAND_AUX3 2022
1435 #define	AT_SUN_CAP_HW2	2023	/* Extension of AT_SUN_CAP_HW1.  */
1436 
1437 #endif /* _ELF_COMMON_H */
1438