4 #include <linux/types.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_LOPROC 0x70000000
33 #define PT_HIPROC 0x7fffffff
34 #define PT_MIPS_REGINFO 0x70000000
35 #define PT_MIPS_OPTIONS 0x70000001
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
47 /* These constants define the different elf file types */
53 #define ET_LOPROC 0xff00
54 #define ET_HIPROC 0xffff
56 /* These constants define the various ELF target machines */
63 #define EM_486 6 /* Perhaps disused */
66 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
68 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */
70 #define EM_PARISC 15 /* HPPA */
72 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
74 #define EM_PPC 20 /* PowerPC */
75 #define EM_PPC64 21 /* PowerPC64 */
77 #define EM_SH 42 /* SuperH */
79 #define EM_SPARCV9 43 /* SPARC v9 64-bit */
81 #define EM_IA_64 50 /* HP/Intel IA-64 */
83 #define EM_X86_64 62 /* AMD x86-64 */
85 #define EM_S390 22 /* IBM S/390 */
87 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
90 * This is an interim value that we will use until the committee comes
91 * up with a final number.
93 #define EM_ALPHA 0x9026
96 * This is the old interim value for S/390 architecture
98 #define EM_S390_OLD 0xA390
100 /* This is the info that is needed to parse the dynamic section of the file */
103 #define DT_PLTRELSZ 2
117 #define DT_SYMBOLIC 16
123 #define DT_TEXTREL 22
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
133 #define RHF_HARDWAY 1
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
147 /* This info is needed when parsing the symbol table */
155 #define STT_SECTION 3
158 #define ELF32_ST_BIND(x) ((x) >> 4)
159 #define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
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 */
182 typedef struct dynamic{
191 Elf64_Sxword d_tag; /* entry tag value */
198 /* The following are used with relocations */
199 #define ELF32_R_SYM(x) ((x) >> 8)
200 #define ELF32_R_TYPE(x) ((x) & 0xff)
205 #define R_386_GOT32 3
206 #define R_386_PLT32 4
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
215 #define R_MIPS_NONE 0
218 #define R_MIPS_REL32 3
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
236 #define R_MIPS_GOT_DISP 19
237 #define R_MIPS_GOT_PAGE 20
238 #define R_MIPS_GOT_OFST 21
240 * The following two relocation types are specified in the MIPS ABI
241 * conformance guide version 1.2 but not yet in the psABI.
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
252 * The following two relocation types are specified in the MIPS ABI
253 * conformance guide version 1.2 but not yet in the psABI.
255 #define R_MIPS_CALLHI16 30
256 #define R_MIPS_CALLLO16 31
258 * This range is reserved for vendor specific relocations.
260 #define R_MIPS_LOVENDOR 100
261 #define R_MIPS_HIVENDOR 127
265 * Sparc ELF relocation types
267 #define R_SPARC_NONE 0
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
305 /* Bits present in AT_HWCAP, primarily for Sparc32. */
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
315 * 68k ELF relocation types
324 #define R_68K_GOT32 7
325 #define R_68K_GOT16 8
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
342 * Alpha ELF relocation types
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 */
373 /* Legal values for e_flags field of Elf64_Ehdr. */
375 #define EF_ALPHA_32BIT 1 /* All addresses are below 2GB */
378 typedef struct elf32_rel {
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 */
388 typedef struct elf32_rela{
391 Elf32_Sword r_addend;
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 */
400 typedef struct elf32_sym{
404 unsigned char st_info;
405 unsigned char st_other;
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 */
421 typedef struct elf32_hdr{
422 unsigned char e_ident[EI_NIDENT];
424 Elf32_Half e_machine;
425 Elf32_Word e_version;
426 Elf32_Addr e_entry; /* Entry point */
431 Elf32_Half e_phentsize;
433 Elf32_Half e_shentsize;
435 Elf32_Half e_shstrndx;
438 typedef struct elf64_hdr {
439 unsigned char e_ident[16]; /* ELF "magic number" */
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 */
448 Elf64_Half e_phentsize;
450 Elf64_Half e_shentsize;
452 Elf64_Half e_shstrndx;
455 /* These constants define the permissions on sections in the program
461 typedef struct elf32_phdr{
472 typedef struct elf64_phdr {
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 */
485 #define SHT_PROGBITS 1
490 #define SHT_DYNAMIC 6
495 #define SHT_DYNSYM 11
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
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
513 /* special section indexes */
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
532 Elf32_Word sh_addralign;
533 Elf32_Word sh_entsize;
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 */
549 #define EI_MAG0 0 /* e_ident[] indexes */
558 #define ELFMAG0 0x7f /* EI_MAG */
562 #define ELFMAG "\177ELF"
565 #define ELFCLASSNONE 0 /* EI_CLASS */
568 #define ELFCLASSNUM 3
570 #define ELFDATANONE 0 /* e_ident[EI_DATA] */
571 #define ELFDATA2LSB 1
572 #define ELFDATA2MSB 2
574 #define EV_NONE 0 /* e_version, EI_VERSION */
578 /* Notes used in ET_CORE */
579 #define NT_PRSTATUS 1
581 #define NT_PRPSINFO 3
582 #define NT_TASKSTRUCT 4
583 #define NT_PRFPXREG 20
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 */
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 */
599 #if ELF_CLASS == ELFCLASS32
601 extern Elf32_Dyn _DYNAMIC [];
602 #define elfhdr elf32_hdr
603 #define elf_phdr elf32_phdr
604 #define elf_note elf32_note
608 extern Elf64_Dyn _DYNAMIC [];
609 #define elfhdr elf64_hdr
610 #define elf_phdr elf64_phdr
611 #define elf_note elf64_note
616 #endif /* _LINUX_ELF_H */