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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef _LINUX_ELF_H
3#define _LINUX_ELF_H
4
5#include <linux/types.h>
6#include <linux/elf-em.h>
7
8/* 32-bit ELF base types. */
9typedef __u32 Elf32_Addr;
10typedef __u16 Elf32_Half;
11typedef __u32 Elf32_Off;
12typedef __s32 Elf32_Sword;
13typedef __u32 Elf32_Word;
14typedef __u16 Elf32_Versym;
15
16/* 64-bit ELF base types. */
17typedef __u64 Elf64_Addr;
18typedef __u16 Elf64_Half;
19typedef __s16 Elf64_SHalf;
20typedef __u64 Elf64_Off;
21typedef __s32 Elf64_Sword;
22typedef __u32 Elf64_Word;
23typedef __u64 Elf64_Xword;
24typedef __s64 Elf64_Sxword;
25typedef __u16 Elf64_Versym;
26
27/* These constants are for the segment types stored in the image headers */
28#define PT_NULL 0
29#define PT_LOAD 1
30#define PT_DYNAMIC 2
31#define PT_INTERP 3
32#define PT_NOTE 4
33#define PT_SHLIB 5
34#define PT_PHDR 6
35#define PT_TLS 7 /* Thread local storage segment */
36#define PT_LOOS 0x60000000 /* OS-specific */
37#define PT_HIOS 0x6fffffff /* OS-specific */
38#define PT_LOPROC 0x70000000
39#define PT_HIPROC 0x7fffffff
40#define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
41#define PT_GNU_STACK (PT_LOOS + 0x474e551)
42#define PT_GNU_RELRO (PT_LOOS + 0x474e552)
43#define PT_GNU_PROPERTY (PT_LOOS + 0x474e553)
44
45
46/* ARM MTE memory tag segment type */
47#define PT_AARCH64_MEMTAG_MTE (PT_LOPROC + 0x2)
48
49/*
50 * Extended Numbering
51 *
52 * If the real number of program header table entries is larger than
53 * or equal to PN_XNUM(0xffff), it is set to sh_info field of the
54 * section header at index 0, and PN_XNUM is set to e_phnum
55 * field. Otherwise, the section header at index 0 is zero
56 * initialized, if it exists.
57 *
58 * Specifications are available in:
59 *
60 * - Oracle: Linker and Libraries.
61 * Part No: 817–1984–19, August 2011.
62 * https://docs.oracle.com/cd/E18752_01/pdf/817-1984.pdf
63 *
64 * - System V ABI AMD64 Architecture Processor Supplement
65 * Draft Version 0.99.4,
66 * January 13, 2010.
67 * http://www.cs.washington.edu/education/courses/cse351/12wi/supp-docs/abi.pdf
68 */
69#define PN_XNUM 0xffff
70
71/* These constants define the different elf file types */
72#define ET_NONE 0
73#define ET_REL 1
74#define ET_EXEC 2
75#define ET_DYN 3
76#define ET_CORE 4
77#define ET_LOPROC 0xff00
78#define ET_HIPROC 0xffff
79
80/* This is the info that is needed to parse the dynamic section of the file */
81#define DT_NULL 0
82#define DT_NEEDED 1
83#define DT_PLTRELSZ 2
84#define DT_PLTGOT 3
85#define DT_HASH 4
86#define DT_STRTAB 5
87#define DT_SYMTAB 6
88#define DT_RELA 7
89#define DT_RELASZ 8
90#define DT_RELAENT 9
91#define DT_STRSZ 10
92#define DT_SYMENT 11
93#define DT_INIT 12
94#define DT_FINI 13
95#define DT_SONAME 14
96#define DT_RPATH 15
97#define DT_SYMBOLIC 16
98#define DT_REL 17
99#define DT_RELSZ 18
100#define DT_RELENT 19
101#define DT_PLTREL 20
102#define DT_DEBUG 21
103#define DT_TEXTREL 22
104#define DT_JMPREL 23
105#define DT_ENCODING 32
106#define OLD_DT_LOOS 0x60000000
107#define DT_LOOS 0x6000000d
108#define DT_HIOS 0x6ffff000
109#define DT_VALRNGLO 0x6ffffd00
110#define DT_VALRNGHI 0x6ffffdff
111#define DT_ADDRRNGLO 0x6ffffe00
112#define DT_GNU_HASH 0x6ffffef5
113#define DT_ADDRRNGHI 0x6ffffeff
114#define DT_VERSYM 0x6ffffff0
115#define DT_RELACOUNT 0x6ffffff9
116#define DT_RELCOUNT 0x6ffffffa
117#define DT_FLAGS_1 0x6ffffffb
118#define DT_VERDEF 0x6ffffffc
119#define DT_VERDEFNUM 0x6ffffffd
120#define DT_VERNEED 0x6ffffffe
121#define DT_VERNEEDNUM 0x6fffffff
122#define OLD_DT_HIOS 0x6fffffff
123#define DT_LOPROC 0x70000000
124#define DT_HIPROC 0x7fffffff
125
126/* This info is needed when parsing the symbol table */
127#define STB_LOCAL 0
128#define STB_GLOBAL 1
129#define STB_WEAK 2
130
131#define STN_UNDEF 0
132
133#define STT_NOTYPE 0
134#define STT_OBJECT 1
135#define STT_FUNC 2
136#define STT_SECTION 3
137#define STT_FILE 4
138#define STT_COMMON 5
139#define STT_TLS 6
140
141#define VER_FLG_BASE 0x1
142#define VER_FLG_WEAK 0x2
143
144#define ELF_ST_BIND(x) ((x) >> 4)
145#define ELF_ST_TYPE(x) ((x) & 0xf)
146#define ELF32_ST_BIND(x) ELF_ST_BIND(x)
147#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
148#define ELF64_ST_BIND(x) ELF_ST_BIND(x)
149#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
150
151typedef struct {
152 Elf32_Sword d_tag;
153 union {
154 Elf32_Sword d_val;
155 Elf32_Addr d_ptr;
156 } d_un;
157} Elf32_Dyn;
158
159typedef struct {
160 Elf64_Sxword d_tag; /* entry tag value */
161 union {
162 Elf64_Xword d_val;
163 Elf64_Addr d_ptr;
164 } d_un;
165} Elf64_Dyn;
166
167/* The following are used with relocations */
168#define ELF32_R_SYM(x) ((x) >> 8)
169#define ELF32_R_TYPE(x) ((x) & 0xff)
170
171#define ELF64_R_SYM(i) ((i) >> 32)
172#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
173
174typedef struct elf32_rel {
175 Elf32_Addr r_offset;
176 Elf32_Word r_info;
177} Elf32_Rel;
178
179typedef struct elf64_rel {
180 Elf64_Addr r_offset; /* Location at which to apply the action */
181 Elf64_Xword r_info; /* index and type of relocation */
182} Elf64_Rel;
183
184typedef struct elf32_rela {
185 Elf32_Addr r_offset;
186 Elf32_Word r_info;
187 Elf32_Sword r_addend;
188} Elf32_Rela;
189
190typedef struct elf64_rela {
191 Elf64_Addr r_offset; /* Location at which to apply the action */
192 Elf64_Xword r_info; /* index and type of relocation */
193 Elf64_Sxword r_addend; /* Constant addend used to compute value */
194} Elf64_Rela;
195
196typedef struct elf32_sym {
197 Elf32_Word st_name;
198 Elf32_Addr st_value;
199 Elf32_Word st_size;
200 unsigned char st_info;
201 unsigned char st_other;
202 Elf32_Half st_shndx;
203} Elf32_Sym;
204
205typedef struct elf64_sym {
206 Elf64_Word st_name; /* Symbol name, index in string tbl */
207 unsigned char st_info; /* Type and binding attributes */
208 unsigned char st_other; /* No defined meaning, 0 */
209 Elf64_Half st_shndx; /* Associated section index */
210 Elf64_Addr st_value; /* Value of the symbol */
211 Elf64_Xword st_size; /* Associated symbol size */
212} Elf64_Sym;
213
214
215#define EI_NIDENT 16
216
217typedef struct elf32_hdr {
218 unsigned char e_ident[EI_NIDENT];
219 Elf32_Half e_type;
220 Elf32_Half e_machine;
221 Elf32_Word e_version;
222 Elf32_Addr e_entry; /* Entry point */
223 Elf32_Off e_phoff;
224 Elf32_Off e_shoff;
225 Elf32_Word e_flags;
226 Elf32_Half e_ehsize;
227 Elf32_Half e_phentsize;
228 Elf32_Half e_phnum;
229 Elf32_Half e_shentsize;
230 Elf32_Half e_shnum;
231 Elf32_Half e_shstrndx;
232} Elf32_Ehdr;
233
234typedef struct elf64_hdr {
235 unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */
236 Elf64_Half e_type;
237 Elf64_Half e_machine;
238 Elf64_Word e_version;
239 Elf64_Addr e_entry; /* Entry point virtual address */
240 Elf64_Off e_phoff; /* Program header table file offset */
241 Elf64_Off e_shoff; /* Section header table file offset */
242 Elf64_Word e_flags;
243 Elf64_Half e_ehsize;
244 Elf64_Half e_phentsize;
245 Elf64_Half e_phnum;
246 Elf64_Half e_shentsize;
247 Elf64_Half e_shnum;
248 Elf64_Half e_shstrndx;
249} Elf64_Ehdr;
250
251/* These constants define the permissions on sections in the program
252 header, p_flags. */
253#define PF_R 0x4
254#define PF_W 0x2
255#define PF_X 0x1
256
257typedef struct elf32_phdr {
258 Elf32_Word p_type;
259 Elf32_Off p_offset;
260 Elf32_Addr p_vaddr;
261 Elf32_Addr p_paddr;
262 Elf32_Word p_filesz;
263 Elf32_Word p_memsz;
264 Elf32_Word p_flags;
265 Elf32_Word p_align;
266} Elf32_Phdr;
267
268typedef struct elf64_phdr {
269 Elf64_Word p_type;
270 Elf64_Word p_flags;
271 Elf64_Off p_offset; /* Segment file offset */
272 Elf64_Addr p_vaddr; /* Segment virtual address */
273 Elf64_Addr p_paddr; /* Segment physical address */
274 Elf64_Xword p_filesz; /* Segment size in file */
275 Elf64_Xword p_memsz; /* Segment size in memory */
276 Elf64_Xword p_align; /* Segment alignment, file & memory */
277} Elf64_Phdr;
278
279/* sh_type */
280#define SHT_NULL 0
281#define SHT_PROGBITS 1
282#define SHT_SYMTAB 2
283#define SHT_STRTAB 3
284#define SHT_RELA 4
285#define SHT_HASH 5
286#define SHT_DYNAMIC 6
287#define SHT_NOTE 7
288#define SHT_NOBITS 8
289#define SHT_REL 9
290#define SHT_SHLIB 10
291#define SHT_DYNSYM 11
292#define SHT_NUM 12
293#define SHT_LOPROC 0x70000000
294#define SHT_HIPROC 0x7fffffff
295#define SHT_LOUSER 0x80000000
296#define SHT_HIUSER 0xffffffff
297
298/* sh_flags */
299#define SHF_WRITE 0x1
300#define SHF_ALLOC 0x2
301#define SHF_EXECINSTR 0x4
302#define SHF_MERGE 0x10
303#define SHF_STRINGS 0x20
304#define SHF_INFO_LINK 0x40
305#define SHF_LINK_ORDER 0x80
306#define SHF_OS_NONCONFORMING 0x100
307#define SHF_GROUP 0x200
308#define SHF_TLS 0x400
309#define SHF_RELA_LIVEPATCH 0x00100000
310#define SHF_RO_AFTER_INIT 0x00200000
311#define SHF_ORDERED 0x04000000
312#define SHF_EXCLUDE 0x08000000
313#define SHF_MASKOS 0x0ff00000
314#define SHF_MASKPROC 0xf0000000
315
316/* special section indexes */
317#define SHN_UNDEF 0
318#define SHN_LORESERVE 0xff00
319#define SHN_LOPROC 0xff00
320#define SHN_HIPROC 0xff1f
321#define SHN_LIVEPATCH 0xff20
322#define SHN_ABS 0xfff1
323#define SHN_COMMON 0xfff2
324#define SHN_HIRESERVE 0xffff
325
326typedef struct elf32_shdr {
327 Elf32_Word sh_name;
328 Elf32_Word sh_type;
329 Elf32_Word sh_flags;
330 Elf32_Addr sh_addr;
331 Elf32_Off sh_offset;
332 Elf32_Word sh_size;
333 Elf32_Word sh_link;
334 Elf32_Word sh_info;
335 Elf32_Word sh_addralign;
336 Elf32_Word sh_entsize;
337} Elf32_Shdr;
338
339typedef struct elf64_shdr {
340 Elf64_Word sh_name; /* Section name, index in string tbl */
341 Elf64_Word sh_type; /* Type of section */
342 Elf64_Xword sh_flags; /* Miscellaneous section attributes */
343 Elf64_Addr sh_addr; /* Section virtual addr at execution */
344 Elf64_Off sh_offset; /* Section file offset */
345 Elf64_Xword sh_size; /* Size of section in bytes */
346 Elf64_Word sh_link; /* Index of another section */
347 Elf64_Word sh_info; /* Additional section information */
348 Elf64_Xword sh_addralign; /* Section alignment */
349 Elf64_Xword sh_entsize; /* Entry size if section holds table */
350} Elf64_Shdr;
351
352#define EI_MAG0 0 /* e_ident[] indexes */
353#define EI_MAG1 1
354#define EI_MAG2 2
355#define EI_MAG3 3
356#define EI_CLASS 4
357#define EI_DATA 5
358#define EI_VERSION 6
359#define EI_OSABI 7
360#define EI_PAD 8
361
362#define ELFMAG0 0x7f /* EI_MAG */
363#define ELFMAG1 'E'
364#define ELFMAG2 'L'
365#define ELFMAG3 'F'
366#define ELFMAG "\177ELF"
367#define SELFMAG 4
368
369#define ELFCLASSNONE 0 /* EI_CLASS */
370#define ELFCLASS32 1
371#define ELFCLASS64 2
372#define ELFCLASSNUM 3
373
374#define ELFDATANONE 0 /* e_ident[EI_DATA] */
375#define ELFDATA2LSB 1
376#define ELFDATA2MSB 2
377
378#define EV_NONE 0 /* e_version, EI_VERSION */
379#define EV_CURRENT 1
380#define EV_NUM 2
381
382#define ELFOSABI_NONE 0
383#define ELFOSABI_LINUX 3
384
385#ifndef ELF_OSABI
386#define ELF_OSABI ELFOSABI_NONE
387#endif
388
389/* Note definitions: NN_ defines names. NT_ defines types. */
390
391#define NN_GNU_PROPERTY_TYPE_0 "GNU"
392#define NT_GNU_PROPERTY_TYPE_0 5
393
394/*
395 * Notes used in ET_CORE. Architectures export some of the arch register sets
396 * using the corresponding note types via the PTRACE_GETREGSET and
397 * PTRACE_SETREGSET requests.
398 */
399#define NN_PRSTATUS "CORE"
400#define NT_PRSTATUS 1
401#define NN_PRFPREG "CORE"
402#define NT_PRFPREG 2
403#define NN_PRPSINFO "CORE"
404#define NT_PRPSINFO 3
405#define NN_TASKSTRUCT "CORE"
406#define NT_TASKSTRUCT 4
407#define NN_AUXV "CORE"
408#define NT_AUXV 6
409/*
410 * Note to userspace developers: size of NT_SIGINFO note may increase
411 * in the future to accomodate more fields, don't assume it is fixed!
412 */
413#define NN_SIGINFO "CORE"
414#define NT_SIGINFO 0x53494749
415#define NN_FILE "CORE"
416#define NT_FILE 0x46494c45
417#define NN_PRXFPREG "LINUX"
418#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
419#define NN_PPC_VMX "LINUX"
420#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */
421#define NN_PPC_SPE "LINUX"
422#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */
423#define NN_PPC_VSX "LINUX"
424#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
425#define NN_PPC_TAR "LINUX"
426#define NT_PPC_TAR 0x103 /* Target Address Register */
427#define NN_PPC_PPR "LINUX"
428#define NT_PPC_PPR 0x104 /* Program Priority Register */
429#define NN_PPC_DSCR "LINUX"
430#define NT_PPC_DSCR 0x105 /* Data Stream Control Register */
431#define NN_PPC_EBB "LINUX"
432#define NT_PPC_EBB 0x106 /* Event Based Branch Registers */
433#define NN_PPC_PMU "LINUX"
434#define NT_PPC_PMU 0x107 /* Performance Monitor Registers */
435#define NN_PPC_TM_CGPR "LINUX"
436#define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */
437#define NN_PPC_TM_CFPR "LINUX"
438#define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */
439#define NN_PPC_TM_CVMX "LINUX"
440#define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */
441#define NN_PPC_TM_CVSX "LINUX"
442#define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */
443#define NN_PPC_TM_SPR "LINUX"
444#define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */
445#define NN_PPC_TM_CTAR "LINUX"
446#define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address Register */
447#define NN_PPC_TM_CPPR "LINUX"
448#define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority Register */
449#define NN_PPC_TM_CDSCR "LINUX"
450#define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control Register */
451#define NN_PPC_PKEY "LINUX"
452#define NT_PPC_PKEY 0x110 /* Memory Protection Keys registers */
453#define NN_PPC_DEXCR "LINUX"
454#define NT_PPC_DEXCR 0x111 /* PowerPC DEXCR registers */
455#define NN_PPC_HASHKEYR "LINUX"
456#define NT_PPC_HASHKEYR 0x112 /* PowerPC HASHKEYR register */
457#define NN_386_TLS "LINUX"
458#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
459#define NN_386_IOPERM "LINUX"
460#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
461#define NN_X86_XSTATE "LINUX"
462#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */
463/* Old binutils treats 0x203 as a CET state */
464#define NN_X86_SHSTK "LINUX"
465#define NT_X86_SHSTK 0x204 /* x86 SHSTK state */
466#define NN_X86_XSAVE_LAYOUT "LINUX"
467#define NT_X86_XSAVE_LAYOUT 0x205 /* XSAVE layout description */
468#define NN_S390_HIGH_GPRS "LINUX"
469#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */
470#define NN_S390_TIMER "LINUX"
471#define NT_S390_TIMER 0x301 /* s390 timer register */
472#define NN_S390_TODCMP "LINUX"
473#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */
474#define NN_S390_TODPREG "LINUX"
475#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */
476#define NN_S390_CTRS "LINUX"
477#define NT_S390_CTRS 0x304 /* s390 control registers */
478#define NN_S390_PREFIX "LINUX"
479#define NT_S390_PREFIX 0x305 /* s390 prefix register */
480#define NN_S390_LAST_BREAK "LINUX"
481#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */
482#define NN_S390_SYSTEM_CALL "LINUX"
483#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */
484#define NN_S390_TDB "LINUX"
485#define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */
486#define NN_S390_VXRS_LOW "LINUX"
487#define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 upper half */
488#define NN_S390_VXRS_HIGH "LINUX"
489#define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31 */
490#define NN_S390_GS_CB "LINUX"
491#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers */
492#define NN_S390_GS_BC "LINUX"
493#define NT_S390_GS_BC 0x30c /* s390 guarded storage broadcast control block */
494#define NN_S390_RI_CB "LINUX"
495#define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation */
496#define NN_S390_PV_CPU_DATA "LINUX"
497#define NT_S390_PV_CPU_DATA 0x30e /* s390 protvirt cpu dump data */
498#define NN_ARM_VFP "LINUX"
499#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */
500#define NN_ARM_TLS "LINUX"
501#define NT_ARM_TLS 0x401 /* ARM TLS register */
502#define NN_ARM_HW_BREAK "LINUX"
503#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */
504#define NN_ARM_HW_WATCH "LINUX"
505#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */
506#define NN_ARM_SYSTEM_CALL "LINUX"
507#define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */
508#define NN_ARM_SVE "LINUX"
509#define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension registers */
510#define NN_ARM_PAC_MASK "LINUX"
511#define NT_ARM_PAC_MASK 0x406 /* ARM pointer authentication code masks */
512#define NN_ARM_PACA_KEYS "LINUX"
513#define NT_ARM_PACA_KEYS 0x407 /* ARM pointer authentication address keys */
514#define NN_ARM_PACG_KEYS "LINUX"
515#define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication generic key */
516#define NN_ARM_TAGGED_ADDR_CTRL "LINUX"
517#define NT_ARM_TAGGED_ADDR_CTRL 0x409 /* arm64 tagged address control (prctl()) */
518#define NN_ARM_PAC_ENABLED_KEYS "LINUX"
519#define NT_ARM_PAC_ENABLED_KEYS 0x40a /* arm64 ptr auth enabled keys (prctl()) */
520#define NN_ARM_SSVE "LINUX"
521#define NT_ARM_SSVE 0x40b /* ARM Streaming SVE registers */
522#define NN_ARM_ZA "LINUX"
523#define NT_ARM_ZA 0x40c /* ARM SME ZA registers */
524#define NN_ARM_ZT "LINUX"
525#define NT_ARM_ZT 0x40d /* ARM SME ZT registers */
526#define NN_ARM_FPMR "LINUX"
527#define NT_ARM_FPMR 0x40e /* ARM floating point mode register */
528#define NN_ARM_POE "LINUX"
529#define NT_ARM_POE 0x40f /* ARM POE registers */
530#define NN_ARM_GCS "LINUX"
531#define NT_ARM_GCS 0x410 /* ARM GCS state */
532#define NN_ARC_V2 "LINUX"
533#define NT_ARC_V2 0x600 /* ARCv2 accumulator/extra registers */
534#define NN_VMCOREDD "LINUX"
535#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note */
536#define NN_MIPS_DSP "LINUX"
537#define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers */
538#define NN_MIPS_FP_MODE "LINUX"
539#define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode */
540#define NN_MIPS_MSA "LINUX"
541#define NT_MIPS_MSA 0x802 /* MIPS SIMD registers */
542#define NN_RISCV_CSR "LINUX"
543#define NT_RISCV_CSR 0x900 /* RISC-V Control and Status Registers */
544#define NN_RISCV_VECTOR "LINUX"
545#define NT_RISCV_VECTOR 0x901 /* RISC-V vector registers */
546#define NN_RISCV_TAGGED_ADDR_CTRL "LINUX"
547#define NT_RISCV_TAGGED_ADDR_CTRL 0x902 /* RISC-V tagged address control (prctl()) */
548#define NN_LOONGARCH_CPUCFG "LINUX"
549#define NT_LOONGARCH_CPUCFG 0xa00 /* LoongArch CPU config registers */
550#define NN_LOONGARCH_CSR "LINUX"
551#define NT_LOONGARCH_CSR 0xa01 /* LoongArch control and status registers */
552#define NN_LOONGARCH_LSX "LINUX"
553#define NT_LOONGARCH_LSX 0xa02 /* LoongArch Loongson SIMD Extension registers */
554#define NN_LOONGARCH_LASX "LINUX"
555#define NT_LOONGARCH_LASX 0xa03 /* LoongArch Loongson Advanced SIMD Extension registers */
556#define NN_LOONGARCH_LBT "LINUX"
557#define NT_LOONGARCH_LBT 0xa04 /* LoongArch Loongson Binary Translation registers */
558#define NN_LOONGARCH_HW_BREAK "LINUX"
559#define NT_LOONGARCH_HW_BREAK 0xa05 /* LoongArch hardware breakpoint registers */
560#define NN_LOONGARCH_HW_WATCH "LINUX"
561#define NT_LOONGARCH_HW_WATCH 0xa06 /* LoongArch hardware watchpoint registers */
562
563/* Note header in a PT_NOTE section */
564typedef struct elf32_note {
565 Elf32_Word n_namesz; /* Name size */
566 Elf32_Word n_descsz; /* Content size */
567 Elf32_Word n_type; /* Content type */
568} Elf32_Nhdr;
569
570/* Note header in a PT_NOTE section */
571typedef struct elf64_note {
572 Elf64_Word n_namesz; /* Name size */
573 Elf64_Word n_descsz; /* Content size */
574 Elf64_Word n_type; /* Content type */
575} Elf64_Nhdr;
576
577/* .note.gnu.property types for EM_AARCH64: */
578#define GNU_PROPERTY_AARCH64_FEATURE_1_AND 0xc0000000
579
580/* Bits for GNU_PROPERTY_AARCH64_FEATURE_1_BTI */
581#define GNU_PROPERTY_AARCH64_FEATURE_1_BTI (1U << 0)
582
583typedef struct {
584 Elf32_Half vd_version;
585 Elf32_Half vd_flags;
586 Elf32_Half vd_ndx;
587 Elf32_Half vd_cnt;
588 Elf32_Word vd_hash;
589 Elf32_Word vd_aux;
590 Elf32_Word vd_next;
591} Elf32_Verdef;
592
593typedef struct {
594 Elf64_Half vd_version;
595 Elf64_Half vd_flags;
596 Elf64_Half vd_ndx;
597 Elf64_Half vd_cnt;
598 Elf64_Word vd_hash;
599 Elf64_Word vd_aux;
600 Elf64_Word vd_next;
601} Elf64_Verdef;
602
603typedef struct {
604 Elf32_Word vda_name;
605 Elf32_Word vda_next;
606} Elf32_Verdaux;
607
608typedef struct {
609 Elf64_Word vda_name;
610 Elf64_Word vda_next;
611} Elf64_Verdaux;
612
613#endif /* _LINUX_ELF_H */