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 __s64 Elf64_Sword;
20 typedef __u64 Elf64_Word;
22 /* These constants are for the segment types stored in the image headers */
30 #define PT_LOPROC 0x70000000
31 #define PT_HIPROC 0x7fffffff
32 #define PT_MIPS_REGINFO 0x70000000
34 /* Flags in the e_flags field of the header */
35 #define EF_MIPS_NOREORDER 0x00000001
36 #define EF_MIPS_PIC 0x00000002
37 #define EF_MIPS_CPIC 0x00000004
38 #define EF_MIPS_ARCH 0xf0000000
40 /* These constants define the different elf file types */
46 #define ET_LOPROC 0xff00
47 #define ET_HIPROC 0xffff
49 /* These constants define the various ELF target machines */
56 #define EM_486 6 /* Perhaps disused */
59 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
61 #define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */
63 #define EM_PARISC 15 /* HPPA */
65 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
67 #define EM_PPC 20 /* PowerPC */
68 #define EM_PPC64 21 /* PowerPC 64-bit */
70 #define EM_SPARCV9 43 /* SPARC v9 64-bit */
73 * This is an interim value that we will use until the committee comes
74 * up with a final number.
76 #define EM_ALPHA 0x9026
79 /* This is the info that is needed to parse the dynamic section of the file */
96 #define DT_SYMBOLIC 16
102 #define DT_TEXTREL 22
104 #define DT_LOPROC 0x70000000
105 #define DT_HIPROC 0x7fffffff
106 #define DT_MIPS_RLD_VERSION 0x70000001
107 #define DT_MIPS_TIME_STAMP 0x70000002
108 #define DT_MIPS_ICHECKSUM 0x70000003
109 #define DT_MIPS_IVERSION 0x70000004
110 #define DT_MIPS_FLAGS 0x70000005
112 #define RHF_HARDWAY 1
114 #define DT_MIPS_BASE_ADDRESS 0x70000006
115 #define DT_MIPS_CONFLICT 0x70000008
116 #define DT_MIPS_LIBLIST 0x70000009
117 #define DT_MIPS_LOCAL_GOTNO 0x7000000a
118 #define DT_MIPS_CONFLICTNO 0x7000000b
119 #define DT_MIPS_LIBLISTNO 0x70000010
120 #define DT_MIPS_SYMTABNO 0x70000011
121 #define DT_MIPS_UNREFEXTNO 0x70000012
122 #define DT_MIPS_GOTSYM 0x70000013
123 #define DT_MIPS_HIPAGENO 0x70000014
124 #define DT_MIPS_RLD_MAP 0x70000016
126 /* This info is needed when parsing the symbol table */
134 #define STT_SECTION 3
137 #define ELF32_ST_BIND(x) ((x) >> 4)
138 #define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
140 /* Symbolic values for the entries in the auxiliary table
141 put on the initial stack */
142 #define AT_NULL 0 /* end of vector */
143 #define AT_IGNORE 1 /* entry should be ignored */
144 #define AT_EXECFD 2 /* file descriptor of program */
145 #define AT_PHDR 3 /* program headers for program */
146 #define AT_PHENT 4 /* size of program header entry */
147 #define AT_PHNUM 5 /* number of program headers */
148 #define AT_PAGESZ 6 /* system page size */
149 #define AT_BASE 7 /* base address of interpreter */
150 #define AT_FLAGS 8 /* flags */
151 #define AT_ENTRY 9 /* entry point of program */
152 #define AT_NOTELF 10 /* program is not ELF */
153 #define AT_UID 11 /* real uid */
154 #define AT_EUID 12 /* effective uid */
155 #define AT_GID 13 /* real gid */
156 #define AT_EGID 14 /* effective gid */
157 #define AT_PLATFORM 15 /* string identifying CPU for optimizations */
158 #define AT_HWCAP 16 /* arch dependent hints at CPU capabilities */
160 typedef struct dynamic{
169 Elf64_Word d_tag; /* entry tag value */
176 /* The following are used with relocations */
177 #define ELF32_R_SYM(x) ((x) >> 8)
178 #define ELF32_R_TYPE(x) ((x) & 0xff)
183 #define R_386_GOT32 3
184 #define R_386_PLT32 4
186 #define R_386_GLOB_DAT 6
187 #define R_386_JMP_SLOT 7
188 #define R_386_RELATIVE 8
189 #define R_386_GOTOFF 9
190 #define R_386_GOTPC 10
193 #define R_MIPS_NONE 0
196 #define R_MIPS_REL32 3
198 #define R_MIPS_HI16 5
199 #define R_MIPS_LO16 6
200 #define R_MIPS_GPREL16 7
201 #define R_MIPS_LITERAL 8
202 #define R_MIPS_GOT16 9
203 #define R_MIPS_PC16 10
204 #define R_MIPS_CALL16 11
205 #define R_MIPS_GPREL32 12
206 /* The remaining relocs are defined on Irix, although they are not
207 in the MIPS ELF ABI. */
208 #define R_MIPS_UNUSED1 13
209 #define R_MIPS_UNUSED2 14
210 #define R_MIPS_UNUSED3 15
211 #define R_MIPS_SHIFT5 16
212 #define R_MIPS_SHIFT6 17
214 #define R_MIPS_GOT_DISP 19
215 #define R_MIPS_GOT_PAGE 20
216 #define R_MIPS_GOT_OFST 21
218 * The following two relocation types are specified in the the MIPS ABI
219 * conformance guide version 1.2 but not yet in the psABI.
221 #define R_MIPS_GOTHI16 22
222 #define R_MIPS_GOTLO16 23
223 #define R_MIPS_SUB 24
224 #define R_MIPS_INSERT_A 25
225 #define R_MIPS_INSERT_B 26
226 #define R_MIPS_DELETE 27
227 #define R_MIPS_HIGHER 28
228 #define R_MIPS_HIGHEST 29
230 * The following two relocation types are specified in the the MIPS ABI
231 * conformance guide version 1.2 but not yet in the psABI.
233 #define R_MIPS_CALLHI16 30
234 #define R_MIPS_CALLLO16 31
236 * This range is reserved for vendor specific relocations.
238 #define R_MIPS_LOVENDOR 100
239 #define R_MIPS_HIVENDOR 127
243 * Sparc ELF relocation types
245 #define R_SPARC_NONE 0
249 #define R_SPARC_DISP8 4
250 #define R_SPARC_DISP16 5
251 #define R_SPARC_DISP32 6
252 #define R_SPARC_WDISP30 7
253 #define R_SPARC_WDISP22 8
254 #define R_SPARC_HI22 9
255 #define R_SPARC_22 10
256 #define R_SPARC_13 11
257 #define R_SPARC_LO10 12
258 #define R_SPARC_GOT10 13
259 #define R_SPARC_GOT13 14
260 #define R_SPARC_GOT22 15
261 #define R_SPARC_PC10 16
262 #define R_SPARC_PC22 17
263 #define R_SPARC_WPLT30 18
264 #define R_SPARC_COPY 19
265 #define R_SPARC_GLOB_DAT 20
266 #define R_SPARC_JMP_SLOT 21
267 #define R_SPARC_RELATIVE 22
268 #define R_SPARC_UA32 23
269 #define R_SPARC_PLT32 24
270 #define R_SPARC_HIPLT22 25
271 #define R_SPARC_LOPLT10 26
272 #define R_SPARC_PCPLT32 27
273 #define R_SPARC_PCPLT22 28
274 #define R_SPARC_PCPLT10 29
275 #define R_SPARC_10 30
276 #define R_SPARC_11 31
277 #define R_SPARC_WDISP16 40
278 #define R_SPARC_WDISP19 41
283 /* Bits present in AT_HWCAP, primarily for Sparc32. */
285 #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */
286 #define HWCAP_SPARC_STBAR 2
287 #define HWCAP_SPARC_SWAP 4
288 #define HWCAP_SPARC_MULDIV 8
289 #define HWCAP_SPARC_V9 16
293 * 68k ELF relocation types
302 #define R_68K_GOT32 7
303 #define R_68K_GOT16 8
305 #define R_68K_GOT32O 10
306 #define R_68K_GOT16O 11
307 #define R_68K_GOT8O 12
308 #define R_68K_PLT32 13
309 #define R_68K_PLT16 14
310 #define R_68K_PLT8 15
311 #define R_68K_PLT32O 16
312 #define R_68K_PLT16O 17
313 #define R_68K_PLT8O 18
314 #define R_68K_COPY 19
315 #define R_68K_GLOB_DAT 20
316 #define R_68K_JMP_SLOT 21
317 #define R_68K_RELATIVE 22
320 * Alpha ELF relocation types
322 #define R_ALPHA_NONE 0 /* No reloc */
323 #define R_ALPHA_REFLONG 1 /* Direct 32 bit */
324 #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */
325 #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */
326 #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */
327 #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */
328 #define R_ALPHA_GPDISP 6 /* Add displacement to GP */
329 #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */
330 #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */
331 #define R_ALPHA_SREL16 9 /* PC relative 16 bit */
332 #define R_ALPHA_SREL32 10 /* PC relative 32 bit */
333 #define R_ALPHA_SREL64 11 /* PC relative 64 bit */
334 #define R_ALPHA_OP_PUSH 12 /* OP stack push */
335 #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */
336 #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */
337 #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */
338 #define R_ALPHA_GPVALUE 16
339 #define R_ALPHA_GPRELHIGH 17
340 #define R_ALPHA_GPRELLOW 18
341 #define R_ALPHA_IMMED_GP_16 19
342 #define R_ALPHA_IMMED_GP_HI32 20
343 #define R_ALPHA_IMMED_SCN_HI32 21
344 #define R_ALPHA_IMMED_BR_HI32 22
345 #define R_ALPHA_IMMED_LO32 23
346 #define R_ALPHA_COPY 24 /* Copy symbol at runtime */
347 #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */
348 #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */
349 #define R_ALPHA_RELATIVE 27 /* Adjust by program base */
351 /* Legal values for e_flags field of Elf64_Ehdr. */
353 #define EF_ALPHA_32BIT 1 /* All addresses are below 2GB */
356 typedef struct elf32_rel {
361 typedef struct elf64_rel {
362 Elf64_Addr r_offset; /* Location at which to apply the action */
363 Elf64_Word r_info; /* index and type of relocation */
366 typedef struct elf32_rela{
369 Elf32_Sword r_addend;
372 typedef struct elf64_rela {
373 Elf64_Addr r_offset; /* Location at which to apply the action */
374 Elf64_Word r_info; /* index and type of relocation */
375 Elf64_Word r_addend; /* Constant addend used to compute value */
378 typedef struct elf32_sym{
382 unsigned char st_info;
383 unsigned char st_other;
387 typedef struct elf64_sym {
388 Elf32_Word st_name; /* Symbol name, index in string tbl (yes, Elf32) */
389 unsigned char st_info; /* Type and binding attributes */
390 unsigned char st_other; /* No defined meaning, 0 */
391 Elf64_Half st_shndx; /* Associated section index */
392 Elf64_Addr st_value; /* Value of the symbol */
393 Elf64_Word st_size; /* Associated symbol size */
399 /* Minimum amount of the header we need to determine whether
400 * we have an executable PPC32/PPC64 Elf file or not.
402 typedef struct elf_ident_t {
403 unsigned char e_ident[EI_NIDENT];
408 typedef struct elf32_hdr{
409 unsigned char e_ident[EI_NIDENT];
411 Elf32_Half e_machine;
412 Elf32_Word e_version;
413 Elf32_Addr e_entry; /* Entry point */
418 Elf32_Half e_phentsize;
420 Elf32_Half e_shentsize;
422 Elf32_Half e_shstrndx;
425 typedef struct elf64_hdr {
426 unsigned char e_ident[16]; /* ELF "magic number" */
428 Elf64_Half e_machine;
430 Elf64_Addr e_entry; /* Entry point virtual address */
431 Elf64_Off e_phoff; /* Program header table file offset */
432 Elf64_Off e_shoff; /* Section header table file offset */
434 Elf64_SHalf e_ehsize;
435 Elf64_SHalf e_phentsize;
437 Elf64_SHalf e_shentsize;
439 Elf64_SHalf e_shstrndx;
442 /* These constants define the permissions on sections in the program
448 typedef struct elf32_phdr{
459 typedef struct elf64_phdr {
462 Elf64_Off p_offset; /* Segment file offset */
463 Elf64_Addr p_vaddr; /* Segment virtual address */
464 Elf64_Addr p_paddr; /* Segment physical address */
465 Elf64_Word p_filesz; /* Segment size in file */
466 Elf64_Word p_memsz; /* Segment size in memory */
467 Elf64_Word p_align; /* Segment alignment, file & memory */
472 #define SHT_PROGBITS 1
477 #define SHT_DYNAMIC 6
482 #define SHT_DYNSYM 11
484 #define SHT_LOPROC 0x70000000
485 #define SHT_HIPROC 0x7fffffff
486 #define SHT_LOUSER 0x80000000
487 #define SHT_HIUSER 0xffffffff
488 #define SHT_MIPS_LIST 0x70000000
489 #define SHT_MIPS_CONFLICT 0x70000002
490 #define SHT_MIPS_GPTAB 0x70000003
491 #define SHT_MIPS_UCODE 0x70000004
494 #define SHF_WRITE 0x1
495 #define SHF_ALLOC 0x2
496 #define SHF_EXECINSTR 0x4
497 #define SHF_MASKPROC 0xf0000000
498 #define SHF_MIPS_GPREL 0x10000000
500 /* special section indexes */
502 #define SHN_LORESERVE 0xff00
503 #define SHN_LOPROC 0xff00
504 #define SHN_HIPROC 0xff1f
505 #define SHN_ABS 0xfff1
506 #define SHN_COMMON 0xfff2
507 #define SHN_HIRESERVE 0xffff
508 #define SHN_MIPS_ACCOMON 0xff00
519 Elf32_Word sh_addralign;
520 Elf32_Word sh_entsize;
523 typedef struct elf64_shdr {
524 Elf32_Word sh_name; /* Section name, index in string tbl (yes Elf32) */
525 Elf32_Word sh_type; /* Type of section (yes Elf32) */
526 Elf64_Word sh_flags; /* Miscellaneous section attributes */
527 Elf64_Addr sh_addr; /* Section virtual addr at execution */
528 Elf64_Off sh_offset; /* Section file offset */
529 Elf64_Word sh_size; /* Size of section in bytes */
530 Elf32_Word sh_link; /* Index of another section (yes Elf32) */
531 Elf32_Word sh_info; /* Additional section information (yes Elf32) */
532 Elf64_Word sh_addralign; /* Section alignment */
533 Elf64_Word sh_entsize; /* Entry size if section holds table */
536 #define EI_MAG0 0 /* e_ident[] indexes */
545 #define ELFMAG0 0x7f /* EI_MAG */
549 #define ELFMAG "\177ELF"
552 #define ELFCLASSNONE 0 /* EI_CLASS */
555 #define ELFCLASSNUM 3
557 #define ELFDATANONE 0 /* e_ident[EI_DATA] */
558 #define ELFDATA2LSB 1
559 #define ELFDATA2MSB 2
561 #define EV_NONE 0 /* e_version, EI_VERSION */
565 /* Notes used in ET_CORE */
566 #define NT_PRSTATUS 1
568 #define NT_PRPSINFO 3
569 #define NT_TASKSTRUCT 4
571 /* Note header in a PT_NOTE section */
572 typedef struct elf32_note {
573 Elf32_Word n_namesz; /* Name size */
574 Elf32_Word n_descsz; /* Content size */
575 Elf32_Word n_type; /* Content type */
578 /* Note header in a PT_NOTE section */
580 * For now we use the 32 bit version of the structure until we figure
581 * out whether we need anything better. Note - on the Alpha, "unsigned int"
584 typedef struct elf64_note {
585 Elf32_Word n_namesz; /* Name size */
586 Elf32_Word n_descsz; /* Content size */
587 Elf32_Word n_type; /* Content type */
590 #if ELF_CLASS == ELFCLASS32
592 extern Elf32_Dyn _DYNAMIC [];
593 #define elfhdr elf32_hdr
594 #define elf_phdr elf32_phdr
595 #define elf_note elf32_note
599 extern Elf64_Dyn _DYNAMIC [];
600 #define elfhdr elf64_hdr
601 #define elf_phdr elf64_phdr
602 #define elf_note elf64_note
607 #endif /* _LINUX_ELF_H */