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TOMOYO Linux Cross Reference
Linux/include/linux/elf.h

Version: ~ [ linux-5.9-rc6 ] ~ [ linux-5.8.10 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.66 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.146 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.198 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.236 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.236 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 #ifndef _LINUX_ELF_H
  2 #define _LINUX_ELF_H
  3 
  4 #include <linux/types.h>
  5 #include <asm/elf.h>
  6 
  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;
 13 
 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;
 23 
 24 /* These constants are for the segment types stored in the image headers */
 25 #define PT_NULL    0
 26 #define PT_LOAD    1
 27 #define PT_DYNAMIC 2
 28 #define PT_INTERP  3
 29 #define PT_NOTE    4
 30 #define PT_SHLIB   5
 31 #define PT_PHDR    6
 32 #define PT_LOPROC  0x70000000
 33 #define PT_HIPROC  0x7fffffff
 34 #define PT_MIPS_REGINFO         0x70000000
 35 #define PT_MIPS_OPTIONS         0x70000001
 36 
 37 /* Flags in the e_flags field of the header */
 38 #define EF_MIPS_NOREORDER 0x00000001
 39 #define EF_MIPS_PIC       0x00000002
 40 #define EF_MIPS_CPIC      0x00000004
 41 #define EF_MIPS_ABI2      0x00000020
 42 #define EF_MIPS_OPTIONS_FIRST 0x00000080
 43 #define EF_MIPS_32BITMODE 0x00000100
 44 #define EF_MIPS_ABI       0x0000f000
 45 #define EF_MIPS_ARCH      0xf0000000
 46 
 47 /* These constants define the different elf file types */
 48 #define ET_NONE   0
 49 #define ET_REL    1
 50 #define ET_EXEC   2
 51 #define ET_DYN    3
 52 #define ET_CORE   4
 53 #define ET_LOPROC 0xff00
 54 #define ET_HIPROC 0xffff
 55 
 56 /* These constants define the various ELF target machines */
 57 #define EM_NONE  0
 58 #define EM_M32   1
 59 #define EM_SPARC 2
 60 #define EM_386   3
 61 #define EM_68K   4
 62 #define EM_88K   5
 63 #define EM_486   6   /* Perhaps disused */
 64 #define EM_860   7
 65 
 66 #define EM_MIPS         8       /* MIPS R3000 (officially, big-endian only) */
 67 
 68 #define EM_MIPS_RS3_LE 10       /* MIPS R3000 little-endian */
 69 
 70 #define EM_PARISC      15       /* HPPA */
 71 
 72 #define EM_SPARC32PLUS 18       /* Sun's "v8plus" */
 73 
 74 #define EM_PPC         20       /* PowerPC */
 75 #define EM_PPC64       21       /* PowerPC64 */
 76 
 77 #define EM_SH          42       /* SuperH */
 78 
 79 #define EM_SPARCV9     43       /* SPARC v9 64-bit */
 80 
 81 #define EM_IA_64        50      /* HP/Intel IA-64 */
 82 
 83 #define EM_X86_64       62      /* AMD x86-64 */
 84 
 85 #define EM_S390         22      /* IBM S/390 */
 86 
 87 #define EM_CRIS         76      /* Axis Communications 32-bit embedded processor */
 88 
 89 /*
 90  * This is an interim value that we will use until the committee comes
 91  * up with a final number.
 92  */
 93 #define EM_ALPHA        0x9026
 94 
 95 /*
 96  * This is the old interim value for S/390 architecture
 97  */
 98 #define EM_S390_OLD     0xA390
 99 
100 /* This is the info that is needed to parse the dynamic section of the file */
101 #define DT_NULL         0
102 #define DT_NEEDED       1
103 #define DT_PLTRELSZ     2
104 #define DT_PLTGOT       3
105 #define DT_HASH         4
106 #define DT_STRTAB       5
107 #define DT_SYMTAB       6
108 #define DT_RELA         7
109 #define DT_RELASZ       8
110 #define DT_RELAENT      9
111 #define DT_STRSZ        10
112 #define DT_SYMENT       11
113 #define DT_INIT         12
114 #define DT_FINI         13
115 #define DT_SONAME       14
116 #define DT_RPATH        15
117 #define DT_SYMBOLIC     16
118 #define DT_REL          17
119 #define DT_RELSZ        18
120 #define DT_RELENT       19
121 #define DT_PLTREL       20
122 #define DT_DEBUG        21
123 #define DT_TEXTREL      22
124 #define DT_JMPREL       23
125 #define DT_LOPROC       0x70000000
126 #define DT_HIPROC       0x7fffffff
127 #define DT_MIPS_RLD_VERSION     0x70000001
128 #define DT_MIPS_TIME_STAMP      0x70000002
129 #define DT_MIPS_ICHECKSUM       0x70000003
130 #define DT_MIPS_IVERSION        0x70000004
131 #define DT_MIPS_FLAGS           0x70000005
132   #define RHF_NONE                0
133   #define RHF_HARDWAY             1
134   #define RHF_NOTPOT              2
135 #define DT_MIPS_BASE_ADDRESS    0x70000006
136 #define DT_MIPS_CONFLICT        0x70000008
137 #define DT_MIPS_LIBLIST         0x70000009
138 #define DT_MIPS_LOCAL_GOTNO     0x7000000a
139 #define DT_MIPS_CONFLICTNO      0x7000000b
140 #define DT_MIPS_LIBLISTNO       0x70000010
141 #define DT_MIPS_SYMTABNO        0x70000011
142 #define DT_MIPS_UNREFEXTNO      0x70000012
143 #define DT_MIPS_GOTSYM          0x70000013
144 #define DT_MIPS_HIPAGENO        0x70000014
145 #define DT_MIPS_RLD_MAP         0x70000016
146 
147 /* This info is needed when parsing the symbol table */
148 #define STB_LOCAL  0
149 #define STB_GLOBAL 1
150 #define STB_WEAK   2
151 
152 #define STT_NOTYPE  0
153 #define STT_OBJECT  1
154 #define STT_FUNC    2
155 #define STT_SECTION 3
156 #define STT_FILE    4
157 
158 #define ELF32_ST_BIND(x) ((x) >> 4)
159 #define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
160 
161 /* Symbolic values for the entries in the auxiliary table
162    put on the initial stack */
163 #define AT_NULL   0     /* end of vector */
164 #define AT_IGNORE 1     /* entry should be ignored */
165 #define AT_EXECFD 2     /* file descriptor of program */
166 #define AT_PHDR   3     /* program headers for program */
167 #define AT_PHENT  4     /* size of program header entry */
168 #define AT_PHNUM  5     /* number of program headers */
169 #define AT_PAGESZ 6     /* system page size */
170 #define AT_BASE   7     /* base address of interpreter */
171 #define AT_FLAGS  8     /* flags */
172 #define AT_ENTRY  9     /* entry point of program */
173 #define AT_NOTELF 10    /* program is not ELF */
174 #define AT_UID    11    /* real uid */
175 #define AT_EUID   12    /* effective uid */
176 #define AT_GID    13    /* real gid */
177 #define AT_EGID   14    /* effective gid */
178 #define AT_PLATFORM 15  /* string identifying CPU for optimizations */
179 #define AT_HWCAP  16    /* arch dependent hints at CPU capabilities */
180 #define AT_CLKTCK 17    /* frequency at which times() increments */
181 
182 typedef struct dynamic{
183   Elf32_Sword d_tag;
184   union{
185     Elf32_Sword d_val;
186     Elf32_Addr  d_ptr;
187   } d_un;
188 } Elf32_Dyn;
189 
190 typedef struct {
191   Elf64_Sxword d_tag;           /* entry tag value */
192   union {
193     Elf64_Xword d_val;
194     Elf64_Addr d_ptr;
195   } d_un;
196 } Elf64_Dyn;
197 
198 /* The following are used with relocations */
199 #define ELF32_R_SYM(x) ((x) >> 8)
200 #define ELF32_R_TYPE(x) ((x) & 0xff)
201 
202 #define R_386_NONE      0
203 #define R_386_32        1
204 #define R_386_PC32      2
205 #define R_386_GOT32     3
206 #define R_386_PLT32     4
207 #define R_386_COPY      5
208 #define R_386_GLOB_DAT  6
209 #define R_386_JMP_SLOT  7
210 #define R_386_RELATIVE  8
211 #define R_386_GOTOFF    9
212 #define R_386_GOTPC     10
213 #define R_386_NUM       11
214 
215 #define R_MIPS_NONE             0
216 #define R_MIPS_16               1
217 #define R_MIPS_32               2
218 #define R_MIPS_REL32            3
219 #define R_MIPS_26               4
220 #define R_MIPS_HI16             5
221 #define R_MIPS_LO16             6
222 #define R_MIPS_GPREL16          7
223 #define R_MIPS_LITERAL          8
224 #define R_MIPS_GOT16            9
225 #define R_MIPS_PC16             10
226 #define R_MIPS_CALL16           11
227 #define R_MIPS_GPREL32          12
228 /* The remaining relocs are defined on Irix, although they are not
229    in the MIPS ELF ABI.  */
230 #define R_MIPS_UNUSED1          13
231 #define R_MIPS_UNUSED2          14
232 #define R_MIPS_UNUSED3          15
233 #define R_MIPS_SHIFT5           16
234 #define R_MIPS_SHIFT6           17
235 #define R_MIPS_64               18
236 #define R_MIPS_GOT_DISP         19
237 #define R_MIPS_GOT_PAGE         20
238 #define R_MIPS_GOT_OFST         21
239 /*
240  * The following two relocation types are specified in the MIPS ABI
241  * conformance guide version 1.2 but not yet in the psABI.
242  */
243 #define R_MIPS_GOTHI16          22
244 #define R_MIPS_GOTLO16          23
245 #define R_MIPS_SUB              24
246 #define R_MIPS_INSERT_A         25
247 #define R_MIPS_INSERT_B         26
248 #define R_MIPS_DELETE           27
249 #define R_MIPS_HIGHER           28
250 #define R_MIPS_HIGHEST          29
251 /*
252  * The following two relocation types are specified in the MIPS ABI
253  * conformance guide version 1.2 but not yet in the psABI.
254  */
255 #define R_MIPS_CALLHI16         30
256 #define R_MIPS_CALLLO16         31
257 /*
258  * This range is reserved for vendor specific relocations.
259  */
260 #define R_MIPS_LOVENDOR         100
261 #define R_MIPS_HIVENDOR         127
262 
263 
264 /*
265  * Sparc ELF relocation types
266  */
267 #define R_SPARC_NONE            0
268 #define R_SPARC_8               1
269 #define R_SPARC_16              2
270 #define R_SPARC_32              3
271 #define R_SPARC_DISP8           4
272 #define R_SPARC_DISP16          5
273 #define R_SPARC_DISP32          6
274 #define R_SPARC_WDISP30         7
275 #define R_SPARC_WDISP22         8
276 #define R_SPARC_HI22            9
277 #define R_SPARC_22              10
278 #define R_SPARC_13              11
279 #define R_SPARC_LO10            12
280 #define R_SPARC_GOT10           13
281 #define R_SPARC_GOT13           14
282 #define R_SPARC_GOT22           15
283 #define R_SPARC_PC10            16
284 #define R_SPARC_PC22            17
285 #define R_SPARC_WPLT30          18
286 #define R_SPARC_COPY            19
287 #define R_SPARC_GLOB_DAT        20
288 #define R_SPARC_JMP_SLOT        21
289 #define R_SPARC_RELATIVE        22
290 #define R_SPARC_UA32            23
291 #define R_SPARC_PLT32           24
292 #define R_SPARC_HIPLT22         25
293 #define R_SPARC_LOPLT10         26
294 #define R_SPARC_PCPLT32         27
295 #define R_SPARC_PCPLT22         28
296 #define R_SPARC_PCPLT10         29
297 #define R_SPARC_10              30
298 #define R_SPARC_11              31
299 #define R_SPARC_WDISP16         40
300 #define R_SPARC_WDISP19         41
301 #define R_SPARC_7               43
302 #define R_SPARC_5               44
303 #define R_SPARC_6               45
304 
305 /* Bits present in AT_HWCAP, primarily for Sparc32.  */
306 
307 #define HWCAP_SPARC_FLUSH       1    /* CPU supports flush instruction. */
308 #define HWCAP_SPARC_STBAR       2
309 #define HWCAP_SPARC_SWAP        4
310 #define HWCAP_SPARC_MULDIV      8
311 #define HWCAP_SPARC_V9          16
312 #define HWCAP_SPARC_ULTRA3      32
313 
314 /*
315  * 68k ELF relocation types
316  */
317 #define R_68K_NONE      0
318 #define R_68K_32        1
319 #define R_68K_16        2
320 #define R_68K_8         3
321 #define R_68K_PC32      4
322 #define R_68K_PC16      5
323 #define R_68K_PC8       6
324 #define R_68K_GOT32     7
325 #define R_68K_GOT16     8
326 #define R_68K_GOT8      9
327 #define R_68K_GOT32O    10
328 #define R_68K_GOT16O    11
329 #define R_68K_GOT8O     12
330 #define R_68K_PLT32     13
331 #define R_68K_PLT16     14
332 #define R_68K_PLT8      15
333 #define R_68K_PLT32O    16
334 #define R_68K_PLT16O    17
335 #define R_68K_PLT8O     18
336 #define R_68K_COPY      19
337 #define R_68K_GLOB_DAT  20
338 #define R_68K_JMP_SLOT  21
339 #define R_68K_RELATIVE  22
340 
341 /*
342  * Alpha ELF relocation types
343  */
344 #define R_ALPHA_NONE            0       /* No reloc */
345 #define R_ALPHA_REFLONG         1       /* Direct 32 bit */
346 #define R_ALPHA_REFQUAD         2       /* Direct 64 bit */
347 #define R_ALPHA_GPREL32         3       /* GP relative 32 bit */
348 #define R_ALPHA_LITERAL         4       /* GP relative 16 bit w/optimization */
349 #define R_ALPHA_LITUSE          5       /* Optimization hint for LITERAL */
350 #define R_ALPHA_GPDISP          6       /* Add displacement to GP */
351 #define R_ALPHA_BRADDR          7       /* PC+4 relative 23 bit shifted */
352 #define R_ALPHA_HINT            8       /* PC+4 relative 16 bit shifted */
353 #define R_ALPHA_SREL16          9       /* PC relative 16 bit */
354 #define R_ALPHA_SREL32          10      /* PC relative 32 bit */
355 #define R_ALPHA_SREL64          11      /* PC relative 64 bit */
356 #define R_ALPHA_OP_PUSH         12      /* OP stack push */
357 #define R_ALPHA_OP_STORE        13      /* OP stack pop and store */
358 #define R_ALPHA_OP_PSUB         14      /* OP stack subtract */
359 #define R_ALPHA_OP_PRSHIFT      15      /* OP stack right shift */
360 #define R_ALPHA_GPVALUE         16
361 #define R_ALPHA_GPRELHIGH       17
362 #define R_ALPHA_GPRELLOW        18
363 #define R_ALPHA_IMMED_GP_16     19
364 #define R_ALPHA_IMMED_GP_HI32   20
365 #define R_ALPHA_IMMED_SCN_HI32  21
366 #define R_ALPHA_IMMED_BR_HI32   22
367 #define R_ALPHA_IMMED_LO32      23
368 #define R_ALPHA_COPY            24      /* Copy symbol at runtime */
369 #define R_ALPHA_GLOB_DAT        25      /* Create GOT entry */
370 #define R_ALPHA_JMP_SLOT        26      /* Create PLT entry */
371 #define R_ALPHA_RELATIVE        27      /* Adjust by program base */
372 
373 /* Legal values for e_flags field of Elf64_Ehdr.  */
374 
375 #define EF_ALPHA_32BIT          1       /* All addresses are below 2GB */
376 
377 
378 typedef struct elf32_rel {
379   Elf32_Addr    r_offset;
380   Elf32_Word    r_info;
381 } Elf32_Rel;
382 
383 typedef struct elf64_rel {
384   Elf64_Addr r_offset;  /* Location at which to apply the action */
385   Elf64_Xword r_info;   /* index and type of relocation */
386 } Elf64_Rel;
387 
388 typedef struct elf32_rela{
389   Elf32_Addr    r_offset;
390   Elf32_Word    r_info;
391   Elf32_Sword   r_addend;
392 } Elf32_Rela;
393 
394 typedef struct elf64_rela {
395   Elf64_Addr r_offset;  /* Location at which to apply the action */
396   Elf64_Xword r_info;   /* index and type of relocation */
397   Elf64_Sxword r_addend;        /* Constant addend used to compute value */
398 } Elf64_Rela;
399 
400 typedef struct elf32_sym{
401   Elf32_Word    st_name;
402   Elf32_Addr    st_value;
403   Elf32_Word    st_size;
404   unsigned char st_info;
405   unsigned char st_other;
406   Elf32_Half    st_shndx;
407 } Elf32_Sym;
408 
409 typedef struct elf64_sym {
410   Elf64_Word st_name;           /* Symbol name, index in string tbl */
411   unsigned char st_info;        /* Type and binding attributes */
412   unsigned char st_other;       /* No defined meaning, 0 */
413   Elf64_Half st_shndx;          /* Associated section index */
414   Elf64_Addr st_value;          /* Value of the symbol */
415   Elf64_Xword st_size;          /* Associated symbol size */
416 } Elf64_Sym;
417 
418 
419 #define EI_NIDENT       16
420 
421 typedef struct elf32_hdr{
422   unsigned char e_ident[EI_NIDENT];
423   Elf32_Half    e_type;
424   Elf32_Half    e_machine;
425   Elf32_Word    e_version;
426   Elf32_Addr    e_entry;  /* Entry point */
427   Elf32_Off     e_phoff;
428   Elf32_Off     e_shoff;
429   Elf32_Word    e_flags;
430   Elf32_Half    e_ehsize;
431   Elf32_Half    e_phentsize;
432   Elf32_Half    e_phnum;
433   Elf32_Half    e_shentsize;
434   Elf32_Half    e_shnum;
435   Elf32_Half    e_shstrndx;
436 } Elf32_Ehdr;
437 
438 typedef struct elf64_hdr {
439   unsigned char e_ident[16];            /* ELF "magic number" */
440   Elf64_Half e_type;
441   Elf64_Half e_machine;
442   Elf64_Word e_version;
443   Elf64_Addr e_entry;           /* Entry point virtual address */
444   Elf64_Off e_phoff;            /* Program header table file offset */
445   Elf64_Off e_shoff;            /* Section header table file offset */
446   Elf64_Word e_flags;
447   Elf64_Half e_ehsize;
448   Elf64_Half e_phentsize;
449   Elf64_Half e_phnum;
450   Elf64_Half e_shentsize;
451   Elf64_Half e_shnum;
452   Elf64_Half e_shstrndx;
453 } Elf64_Ehdr;
454 
455 /* These constants define the permissions on sections in the program
456    header, p_flags. */
457 #define PF_R            0x4
458 #define PF_W            0x2
459 #define PF_X            0x1
460 
461 typedef struct elf32_phdr{
462   Elf32_Word    p_type;
463   Elf32_Off     p_offset;
464   Elf32_Addr    p_vaddr;
465   Elf32_Addr    p_paddr;
466   Elf32_Word    p_filesz;
467   Elf32_Word    p_memsz;
468   Elf32_Word    p_flags;
469   Elf32_Word    p_align;
470 } Elf32_Phdr;
471 
472 typedef struct elf64_phdr {
473   Elf64_Word p_type;
474   Elf64_Word p_flags;
475   Elf64_Off p_offset;           /* Segment file offset */
476   Elf64_Addr p_vaddr;           /* Segment virtual address */
477   Elf64_Addr p_paddr;           /* Segment physical address */
478   Elf64_Xword p_filesz;         /* Segment size in file */
479   Elf64_Xword p_memsz;          /* Segment size in memory */
480   Elf64_Xword p_align;          /* Segment alignment, file & memory */
481 } Elf64_Phdr;
482 
483 /* sh_type */
484 #define SHT_NULL        0
485 #define SHT_PROGBITS    1
486 #define SHT_SYMTAB      2
487 #define SHT_STRTAB      3
488 #define SHT_RELA        4
489 #define SHT_HASH        5
490 #define SHT_DYNAMIC     6
491 #define SHT_NOTE        7
492 #define SHT_NOBITS      8
493 #define SHT_REL         9
494 #define SHT_SHLIB       10
495 #define SHT_DYNSYM      11
496 #define SHT_NUM         12
497 #define SHT_LOPROC      0x70000000
498 #define SHT_HIPROC      0x7fffffff
499 #define SHT_LOUSER      0x80000000
500 #define SHT_HIUSER      0xffffffff
501 #define SHT_MIPS_LIST           0x70000000
502 #define SHT_MIPS_CONFLICT       0x70000002
503 #define SHT_MIPS_GPTAB          0x70000003
504 #define SHT_MIPS_UCODE          0x70000004
505 
506 /* sh_flags */
507 #define SHF_WRITE       0x1
508 #define SHF_ALLOC       0x2
509 #define SHF_EXECINSTR   0x4
510 #define SHF_MASKPROC    0xf0000000
511 #define SHF_MIPS_GPREL  0x10000000
512 
513 /* special section indexes */
514 #define SHN_UNDEF       0
515 #define SHN_LORESERVE   0xff00
516 #define SHN_LOPROC      0xff00
517 #define SHN_HIPROC      0xff1f
518 #define SHN_ABS         0xfff1
519 #define SHN_COMMON      0xfff2
520 #define SHN_HIRESERVE   0xffff
521 #define SHN_MIPS_ACCOMON        0xff00
522  
523 typedef struct {
524   Elf32_Word    sh_name;
525   Elf32_Word    sh_type;
526   Elf32_Word    sh_flags;
527   Elf32_Addr    sh_addr;
528   Elf32_Off     sh_offset;
529   Elf32_Word    sh_size;
530   Elf32_Word    sh_link;
531   Elf32_Word    sh_info;
532   Elf32_Word    sh_addralign;
533   Elf32_Word    sh_entsize;
534 } Elf32_Shdr;
535 
536 typedef struct elf64_shdr {
537   Elf64_Word sh_name;           /* Section name, index in string tbl */
538   Elf64_Word sh_type;           /* Type of section */
539   Elf64_Xword sh_flags;         /* Miscellaneous section attributes */
540   Elf64_Addr sh_addr;           /* Section virtual addr at execution */
541   Elf64_Off sh_offset;          /* Section file offset */
542   Elf64_Xword sh_size;          /* Size of section in bytes */
543   Elf64_Word sh_link;           /* Index of another section */
544   Elf64_Word sh_info;           /* Additional section information */
545   Elf64_Xword sh_addralign;     /* Section alignment */
546   Elf64_Xword sh_entsize;       /* Entry size if section holds table */
547 } Elf64_Shdr;
548 
549 #define EI_MAG0         0               /* e_ident[] indexes */
550 #define EI_MAG1         1
551 #define EI_MAG2         2
552 #define EI_MAG3         3
553 #define EI_CLASS        4
554 #define EI_DATA         5
555 #define EI_VERSION      6
556 #define EI_PAD          7
557 
558 #define ELFMAG0         0x7f            /* EI_MAG */
559 #define ELFMAG1         'E'
560 #define ELFMAG2         'L'
561 #define ELFMAG3         'F'
562 #define ELFMAG          "\177ELF"
563 #define SELFMAG         4
564 
565 #define ELFCLASSNONE    0               /* EI_CLASS */
566 #define ELFCLASS32      1
567 #define ELFCLASS64      2
568 #define ELFCLASSNUM     3
569 
570 #define ELFDATANONE     0               /* e_ident[EI_DATA] */
571 #define ELFDATA2LSB     1
572 #define ELFDATA2MSB     2
573 
574 #define EV_NONE         0               /* e_version, EI_VERSION */
575 #define EV_CURRENT      1
576 #define EV_NUM          2
577 
578 /* Notes used in ET_CORE */
579 #define NT_PRSTATUS     1
580 #define NT_PRFPREG      2
581 #define NT_PRPSINFO     3
582 #define NT_TASKSTRUCT   4
583 #define NT_PRFPXREG     20
584 
585 /* Note header in a PT_NOTE section */
586 typedef struct elf32_note {
587   Elf32_Word    n_namesz;       /* Name size */
588   Elf32_Word    n_descsz;       /* Content size */
589   Elf32_Word    n_type;         /* Content type */
590 } Elf32_Nhdr;
591 
592 /* Note header in a PT_NOTE section */
593 typedef struct elf64_note {
594   Elf64_Word n_namesz;  /* Name size */
595   Elf64_Word n_descsz;  /* Content size */
596   Elf64_Word n_type;    /* Content type */
597 } Elf64_Nhdr;
598 
599 #if ELF_CLASS == ELFCLASS32
600 
601 extern Elf32_Dyn _DYNAMIC [];
602 #define elfhdr          elf32_hdr
603 #define elf_phdr        elf32_phdr
604 #define elf_note        elf32_note
605 
606 #else
607 
608 extern Elf64_Dyn _DYNAMIC [];
609 #define elfhdr          elf64_hdr
610 #define elf_phdr        elf64_phdr
611 #define elf_note        elf64_note
612 
613 #endif
614 
615 
616 #endif /* _LINUX_ELF_H */
617 

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