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git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blob - include/uapi/linux/elf.h
1 #ifndef _UAPI_LINUX_ELF_H
2 #define _UAPI_LINUX_ELF_H
4 #include <linux/types.h>
5 #include <linux/elf-em.h>
7 /* 32-bit ELF base types. */
8 typedef __u32 Elf32_Addr
;
9 typedef __u16 Elf32_Half
;
10 typedef __u32 Elf32_Off
;
11 typedef __s32 Elf32_Sword
;
12 typedef __u32 Elf32_Word
;
14 /* 64-bit ELF base types. */
15 typedef __u64 Elf64_Addr
;
16 typedef __u16 Elf64_Half
;
17 typedef __s16 Elf64_SHalf
;
18 typedef __u64 Elf64_Off
;
19 typedef __s32 Elf64_Sword
;
20 typedef __u32 Elf64_Word
;
21 typedef __u64 Elf64_Xword
;
22 typedef __s64 Elf64_Sxword
;
24 /* These constants are for the segment types stored in the image headers */
32 #define PT_TLS 7 /* Thread local storage segment */
33 #define PT_LOOS 0x60000000 /* OS-specific */
34 #define PT_HIOS 0x6fffffff /* OS-specific */
35 #define PT_LOPROC 0x70000000
36 #define PT_HIPROC 0x7fffffff
37 #define PT_GNU_EH_FRAME 0x6474e550
39 #define PT_GNU_STACK (PT_LOOS + 0x474e551)
44 * If the real number of program header table entries is larger than
45 * or equal to PN_XNUM(0xffff), it is set to sh_info field of the
46 * section header at index 0, and PN_XNUM is set to e_phnum
47 * field. Otherwise, the section header at index 0 is zero
48 * initialized, if it exists.
50 * Specifications are available in:
52 * - Oracle: Linker and Libraries.
53 * Part No: 817–1984–19, August 2011.
54 * http://docs.oracle.com/cd/E18752_01/pdf/817-1984.pdf
56 * - System V ABI AMD64 Architecture Processor Supplement
57 * Draft Version 0.99.4,
59 * http://www.cs.washington.edu/education/courses/cse351/12wi/supp-docs/abi.pdf
61 #define PN_XNUM 0xffff
63 /* These constants define the different elf file types */
69 #define ET_LOPROC 0xff00
70 #define ET_HIPROC 0xffff
72 /* This is the info that is needed to parse the dynamic section of the file */
89 #define DT_SYMBOLIC 16
97 #define DT_ENCODING 32
98 #define OLD_DT_LOOS 0x60000000
99 #define DT_LOOS 0x6000000d
100 #define DT_HIOS 0x6ffff000
101 #define DT_VALRNGLO 0x6ffffd00
102 #define DT_VALRNGHI 0x6ffffdff
103 #define DT_ADDRRNGLO 0x6ffffe00
104 #define DT_ADDRRNGHI 0x6ffffeff
105 #define DT_VERSYM 0x6ffffff0
106 #define DT_RELACOUNT 0x6ffffff9
107 #define DT_RELCOUNT 0x6ffffffa
108 #define DT_FLAGS_1 0x6ffffffb
109 #define DT_VERDEF 0x6ffffffc
110 #define DT_VERDEFNUM 0x6ffffffd
111 #define DT_VERNEED 0x6ffffffe
112 #define DT_VERNEEDNUM 0x6fffffff
113 #define OLD_DT_HIOS 0x6fffffff
114 #define DT_LOPROC 0x70000000
115 #define DT_HIPROC 0x7fffffff
117 /* This info is needed when parsing the symbol table */
125 #define STT_SECTION 3
130 #define ELF_ST_BIND(x) ((x) >> 4)
131 #define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
132 #define ELF32_ST_BIND(x) ELF_ST_BIND(x)
133 #define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
134 #define ELF64_ST_BIND(x) ELF_ST_BIND(x)
135 #define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
137 typedef struct dynamic
{
146 Elf64_Sxword d_tag
; /* entry tag value */
153 /* The following are used with relocations */
154 #define ELF32_R_SYM(x) ((x) >> 8)
155 #define ELF32_R_TYPE(x) ((x) & 0xff)
157 #define ELF64_R_SYM(i) ((i) >> 32)
158 #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
160 typedef struct elf32_rel
{
165 typedef struct elf64_rel
{
166 Elf64_Addr r_offset
; /* Location at which to apply the action */
167 Elf64_Xword r_info
; /* index and type of relocation */
170 typedef struct elf32_rela
{
173 Elf32_Sword r_addend
;
176 typedef struct elf64_rela
{
177 Elf64_Addr r_offset
; /* Location at which to apply the action */
178 Elf64_Xword r_info
; /* index and type of relocation */
179 Elf64_Sxword r_addend
; /* Constant addend used to compute value */
182 typedef struct elf32_sym
{
186 unsigned char st_info
;
187 unsigned char st_other
;
191 typedef struct elf64_sym
{
192 Elf64_Word st_name
; /* Symbol name, index in string tbl */
193 unsigned char st_info
; /* Type and binding attributes */
194 unsigned char st_other
; /* No defined meaning, 0 */
195 Elf64_Half st_shndx
; /* Associated section index */
196 Elf64_Addr st_value
; /* Value of the symbol */
197 Elf64_Xword st_size
; /* Associated symbol size */
203 typedef struct elf32_hdr
{
204 unsigned char e_ident
[EI_NIDENT
];
206 Elf32_Half e_machine
;
207 Elf32_Word e_version
;
208 Elf32_Addr e_entry
; /* Entry point */
213 Elf32_Half e_phentsize
;
215 Elf32_Half e_shentsize
;
217 Elf32_Half e_shstrndx
;
220 typedef struct elf64_hdr
{
221 unsigned char e_ident
[EI_NIDENT
]; /* ELF "magic number" */
223 Elf64_Half e_machine
;
224 Elf64_Word e_version
;
225 Elf64_Addr e_entry
; /* Entry point virtual address */
226 Elf64_Off e_phoff
; /* Program header table file offset */
227 Elf64_Off e_shoff
; /* Section header table file offset */
230 Elf64_Half e_phentsize
;
232 Elf64_Half e_shentsize
;
234 Elf64_Half e_shstrndx
;
237 /* These constants define the permissions on sections in the program
243 typedef struct elf32_phdr
{
254 typedef struct elf64_phdr
{
257 Elf64_Off p_offset
; /* Segment file offset */
258 Elf64_Addr p_vaddr
; /* Segment virtual address */
259 Elf64_Addr p_paddr
; /* Segment physical address */
260 Elf64_Xword p_filesz
; /* Segment size in file */
261 Elf64_Xword p_memsz
; /* Segment size in memory */
262 Elf64_Xword p_align
; /* Segment alignment, file & memory */
267 #define SHT_PROGBITS 1
272 #define SHT_DYNAMIC 6
277 #define SHT_DYNSYM 11
279 #define SHT_LOPROC 0x70000000
280 #define SHT_HIPROC 0x7fffffff
281 #define SHT_LOUSER 0x80000000
282 #define SHT_HIUSER 0xffffffff
285 #define SHF_WRITE 0x1
286 #define SHF_ALLOC 0x2
287 #define SHF_EXECINSTR 0x4
288 #define SHF_RELA_LIVEPATCH 0x00100000
289 #define SHF_RO_AFTER_INIT 0x00200000
290 #define SHF_MASKPROC 0xf0000000
292 /* special section indexes */
294 #define SHN_LORESERVE 0xff00
295 #define SHN_LOPROC 0xff00
296 #define SHN_HIPROC 0xff1f
297 #define SHN_LIVEPATCH 0xff20
298 #define SHN_ABS 0xfff1
299 #define SHN_COMMON 0xfff2
300 #define SHN_HIRESERVE 0xffff
302 typedef struct elf32_shdr
{
311 Elf32_Word sh_addralign
;
312 Elf32_Word sh_entsize
;
315 typedef struct elf64_shdr
{
316 Elf64_Word sh_name
; /* Section name, index in string tbl */
317 Elf64_Word sh_type
; /* Type of section */
318 Elf64_Xword sh_flags
; /* Miscellaneous section attributes */
319 Elf64_Addr sh_addr
; /* Section virtual addr at execution */
320 Elf64_Off sh_offset
; /* Section file offset */
321 Elf64_Xword sh_size
; /* Size of section in bytes */
322 Elf64_Word sh_link
; /* Index of another section */
323 Elf64_Word sh_info
; /* Additional section information */
324 Elf64_Xword sh_addralign
; /* Section alignment */
325 Elf64_Xword sh_entsize
; /* Entry size if section holds table */
328 #define EI_MAG0 0 /* e_ident[] indexes */
338 #define ELFMAG0 0x7f /* EI_MAG */
342 #define ELFMAG "\177ELF"
345 #define ELFCLASSNONE 0 /* EI_CLASS */
348 #define ELFCLASSNUM 3
350 #define ELFDATANONE 0 /* e_ident[EI_DATA] */
351 #define ELFDATA2LSB 1
352 #define ELFDATA2MSB 2
354 #define EV_NONE 0 /* e_version, EI_VERSION */
358 #define ELFOSABI_NONE 0
359 #define ELFOSABI_LINUX 3
362 #define ELF_OSABI ELFOSABI_NONE
366 * Notes used in ET_CORE. Architectures export some of the arch register sets
367 * using the corresponding note types via the PTRACE_GETREGSET and
368 * PTRACE_SETREGSET requests.
370 #define NT_PRSTATUS 1
372 #define NT_PRPSINFO 3
373 #define NT_TASKSTRUCT 4
376 * Note to userspace developers: size of NT_SIGINFO note may increase
377 * in the future to accomodate more fields, don't assume it is fixed!
379 #define NT_SIGINFO 0x53494749
380 #define NT_FILE 0x46494c45
381 #define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
382 #define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */
383 #define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */
384 #define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
385 #define NT_PPC_TAR 0x103 /* Target Address Register */
386 #define NT_PPC_PPR 0x104 /* Program Priority Register */
387 #define NT_PPC_DSCR 0x105 /* Data Stream Control Register */
388 #define NT_PPC_EBB 0x106 /* Event Based Branch Registers */
389 #define NT_PPC_PMU 0x107 /* Performance Monitor Registers */
390 #define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */
391 #define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */
392 #define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */
393 #define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */
394 #define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */
395 #define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address Register */
396 #define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority Register */
397 #define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control Register */
398 #define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
399 #define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
400 #define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */
401 #define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */
402 #define NT_S390_TIMER 0x301 /* s390 timer register */
403 #define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */
404 #define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */
405 #define NT_S390_CTRS 0x304 /* s390 control registers */
406 #define NT_S390_PREFIX 0x305 /* s390 prefix register */
407 #define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */
408 #define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */
409 #define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */
410 #define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 upper half */
411 #define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31 */
412 #define NT_S390_GS_CB 0x30b /* s390 guarded storage registers */
413 #define NT_S390_GS_BC 0x30c /* s390 guarded storage broadcast control block */
414 #define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */
415 #define NT_ARM_TLS 0x401 /* ARM TLS register */
416 #define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */
417 #define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */
418 #define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */
419 #define NT_METAG_CBUF 0x500 /* Metag catch buffer registers */
420 #define NT_METAG_RPIPE 0x501 /* Metag read pipeline state */
421 #define NT_METAG_TLS 0x502 /* Metag TLS pointer */
422 #define NT_ARC_V2 0x600 /* ARCv2 accumulator/extra registers */
424 /* Note header in a PT_NOTE section */
425 typedef struct elf32_note
{
426 Elf32_Word n_namesz
; /* Name size */
427 Elf32_Word n_descsz
; /* Content size */
428 Elf32_Word n_type
; /* Content type */
431 /* Note header in a PT_NOTE section */
432 typedef struct elf64_note
{
433 Elf64_Word n_namesz
; /* Name size */
434 Elf64_Word n_descsz
; /* Content size */
435 Elf64_Word n_type
; /* Content type */
438 #endif /* _UAPI_LINUX_ELF_H */