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bootstage: Record the time taken to set up driver model
[people/ms/u-boot.git] / include / elf.h
1 /*
2 * Copyright (c) 1995, 1996, 2001, 2002
3 * Erik Theisen. All rights reserved.
4 *
5 * SPDX-License-Identifier: BSD-3-Clause
6 */
7
8 /*
9 * This is the ELF ABI header file
10 * formerly known as "elf_abi.h".
11 */
12
13 #ifndef _ELF_H
14 #define _ELF_H
15
16 #ifndef __ASSEMBLER__
17 #include "compiler.h"
18
19 /*
20 * This version doesn't work for 64-bit ABIs - Erik.
21 */
22
23 /*
24 * These typedefs need to be handled better.
25 */
26 typedef uint32_t Elf32_Addr; /* Unsigned program address */
27 typedef uint32_t Elf32_Off; /* Unsigned file offset */
28 typedef int32_t Elf32_Sword; /* Signed large integer */
29 typedef uint32_t Elf32_Word; /* Unsigned large integer */
30 typedef uint16_t Elf32_Half; /* Unsigned medium integer */
31
32 /* 64-bit ELF base types. */
33 typedef uint64_t Elf64_Addr;
34 typedef uint16_t Elf64_Half;
35 typedef int16_t Elf64_SHalf;
36 typedef uint64_t Elf64_Off;
37 typedef int32_t Elf64_Sword;
38 typedef uint32_t Elf64_Word;
39 typedef uint64_t Elf64_Xword;
40 typedef int64_t Elf64_Sxword;
41
42 /* e_ident[] identification indexes */
43 #define EI_MAG0 0 /* file ID */
44 #define EI_MAG1 1 /* file ID */
45 #define EI_MAG2 2 /* file ID */
46 #define EI_MAG3 3 /* file ID */
47 #define EI_CLASS 4 /* file class */
48 #define EI_DATA 5 /* data encoding */
49 #define EI_VERSION 6 /* ELF header version */
50 #define EI_OSABI 7 /* OS/ABI specific ELF extensions */
51 #define EI_ABIVERSION 8 /* ABI target version */
52 #define EI_PAD 9 /* start of pad bytes */
53 #define EI_NIDENT 16 /* Size of e_ident[] */
54
55 /* e_ident[] magic number */
56 #define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
57 #define ELFMAG1 'E' /* e_ident[EI_MAG1] */
58 #define ELFMAG2 'L' /* e_ident[EI_MAG2] */
59 #define ELFMAG3 'F' /* e_ident[EI_MAG3] */
60 #define ELFMAG "\177ELF" /* magic */
61 #define SELFMAG 4 /* size of magic */
62
63 /* e_ident[] file class */
64 #define ELFCLASSNONE 0 /* invalid */
65 #define ELFCLASS32 1 /* 32-bit objs */
66 #define ELFCLASS64 2 /* 64-bit objs */
67 #define ELFCLASSNUM 3 /* number of classes */
68
69 /* e_ident[] data encoding */
70 #define ELFDATANONE 0 /* invalid */
71 #define ELFDATA2LSB 1 /* Little-Endian */
72 #define ELFDATA2MSB 2 /* Big-Endian */
73 #define ELFDATANUM 3 /* number of data encode defines */
74
75 /* e_ident[] OS/ABI specific ELF extensions */
76 #define ELFOSABI_NONE 0 /* No extension specified */
77 #define ELFOSABI_HPUX 1 /* Hewlett-Packard HP-UX */
78 #define ELFOSABI_NETBSD 2 /* NetBSD */
79 #define ELFOSABI_LINUX 3 /* Linux */
80 #define ELFOSABI_SOLARIS 6 /* Sun Solaris */
81 #define ELFOSABI_AIX 7 /* AIX */
82 #define ELFOSABI_IRIX 8 /* IRIX */
83 #define ELFOSABI_FREEBSD 9 /* FreeBSD */
84 #define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX */
85 #define ELFOSABI_MODESTO 11 /* Novell Modesto */
86 #define ELFOSABI_OPENBSD 12 /* OpenBSD */
87 /* 64-255 Architecture-specific value range */
88
89 /* e_ident[] ABI Version */
90 #define ELFABIVERSION 0
91
92 /* e_ident */
93 #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
94 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
95 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
96 (ehdr).e_ident[EI_MAG3] == ELFMAG3)
97
98 /* ELF Header */
99 typedef struct elfhdr{
100 unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
101 Elf32_Half e_type; /* object file type */
102 Elf32_Half e_machine; /* machine */
103 Elf32_Word e_version; /* object file version */
104 Elf32_Addr e_entry; /* virtual entry point */
105 Elf32_Off e_phoff; /* program header table offset */
106 Elf32_Off e_shoff; /* section header table offset */
107 Elf32_Word e_flags; /* processor-specific flags */
108 Elf32_Half e_ehsize; /* ELF header size */
109 Elf32_Half e_phentsize; /* program header entry size */
110 Elf32_Half e_phnum; /* number of program header entries */
111 Elf32_Half e_shentsize; /* section header entry size */
112 Elf32_Half e_shnum; /* number of section header entries */
113 Elf32_Half e_shstrndx; /* section header table's "section
114 header string table" entry offset */
115 } Elf32_Ehdr;
116
117 /* e_type */
118 #define ET_NONE 0 /* No file type */
119 #define ET_REL 1 /* relocatable file */
120 #define ET_EXEC 2 /* executable file */
121 #define ET_DYN 3 /* shared object file */
122 #define ET_CORE 4 /* core file */
123 #define ET_NUM 5 /* number of types */
124 #define ET_LOOS 0xfe00 /* reserved range for operating */
125 #define ET_HIOS 0xfeff /* system specific e_type */
126 #define ET_LOPROC 0xff00 /* reserved range for processor */
127 #define ET_HIPROC 0xffff /* specific e_type */
128
129 /* e_machine */
130 #define EM_NONE 0 /* No Machine */
131 #define EM_M32 1 /* AT&T WE 32100 */
132 #define EM_SPARC 2 /* SPARC */
133 #define EM_386 3 /* Intel 80386 */
134 #define EM_68K 4 /* Motorola 68000 */
135 #define EM_88K 5 /* Motorola 88000 */
136 #if 0
137 #define EM_486 6 /* RESERVED - was Intel 80486 */
138 #endif
139 #define EM_860 7 /* Intel 80860 */
140 #define EM_MIPS 8 /* MIPS R3000 Big-Endian only */
141 #define EM_S370 9 /* IBM System/370 Processor */
142 #define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
143 #if 0
144 #define EM_SPARC64 11 /* RESERVED - was SPARC v9
145 64-bit unoffical */
146 #endif
147 /* RESERVED 11-14 for future use */
148 #define EM_PARISC 15 /* HPPA */
149 /* RESERVED 16 for future use */
150 #define EM_VPP500 17 /* Fujitsu VPP500 */
151 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
152 #define EM_960 19 /* Intel 80960 */
153 #define EM_PPC 20 /* PowerPC */
154 #define EM_PPC64 21 /* 64-bit PowerPC */
155 #define EM_S390 22 /* IBM System/390 Processor */
156 /* RESERVED 23-35 for future use */
157 #define EM_V800 36 /* NEC V800 */
158 #define EM_FR20 37 /* Fujitsu FR20 */
159 #define EM_RH32 38 /* TRW RH-32 */
160 #define EM_RCE 39 /* Motorola RCE */
161 #define EM_ARM 40 /* Advanced Risc Machines ARM */
162 #define EM_ALPHA 41 /* Digital Alpha */
163 #define EM_SH 42 /* Hitachi SH */
164 #define EM_SPARCV9 43 /* SPARC Version 9 */
165 #define EM_TRICORE 44 /* Siemens TriCore embedded processor */
166 #define EM_ARC 45 /* Argonaut RISC Core */
167 #define EM_H8_300 46 /* Hitachi H8/300 */
168 #define EM_H8_300H 47 /* Hitachi H8/300H */
169 #define EM_H8S 48 /* Hitachi H8S */
170 #define EM_H8_500 49 /* Hitachi H8/500 */
171 #define EM_IA_64 50 /* Intel Merced */
172 #define EM_MIPS_X 51 /* Stanford MIPS-X */
173 #define EM_COLDFIRE 52 /* Motorola Coldfire */
174 #define EM_68HC12 53 /* Motorola M68HC12 */
175 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/
176 #define EM_PCP 55 /* Siemens PCP */
177 #define EM_NCPU 56 /* Sony nCPU embeeded RISC */
178 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
179 #define EM_STARCORE 58 /* Motorola Start*Core processor */
180 #define EM_ME16 59 /* Toyota ME16 processor */
181 #define EM_ST100 60 /* STMicroelectronic ST100 processor */
182 #define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/
183 #define EM_X86_64 62 /* AMD x86-64 */
184 #define EM_PDSP 63 /* Sony DSP Processor */
185 /* RESERVED 64,65 for future use */
186 #define EM_FX66 66 /* Siemens FX66 microcontroller */
187 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */
188 #define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */
189 #define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */
190 #define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */
191 #define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */
192 #define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */
193 #define EM_SVX 73 /* Silicon Graphics SVx */
194 #define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */
195 #define EM_VAX 75 /* Digital VAX */
196 #define EM_CHRIS 76 /* Axis Communications embedded proc. */
197 #define EM_JAVELIN 77 /* Infineon Technologies emb. proc. */
198 #define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */
199 #define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */
200 #define EM_MMIX 80 /* Donald Knuth's edu 64-bit proc. */
201 #define EM_HUANY 81 /* Harvard University mach-indep objs */
202 #define EM_PRISM 82 /* SiTera Prism */
203 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
204 #define EM_FR30 84 /* Fujitsu FR30 */
205 #define EM_D10V 85 /* Mitsubishi DV10V */
206 #define EM_D30V 86 /* Mitsubishi DV30V */
207 #define EM_V850 87 /* NEC v850 */
208 #define EM_M32R 88 /* Mitsubishi M32R */
209 #define EM_MN10300 89 /* Matsushita MN10200 */
210 #define EM_MN10200 90 /* Matsushita MN10200 */
211 #define EM_PJ 91 /* picoJava */
212 #define EM_NUM 92 /* number of machine types */
213
214 /* Version */
215 #define EV_NONE 0 /* Invalid */
216 #define EV_CURRENT 1 /* Current */
217 #define EV_NUM 2 /* number of versions */
218
219 /* Section Header */
220 typedef struct {
221 Elf32_Word sh_name; /* name - index into section header
222 string table section */
223 Elf32_Word sh_type; /* type */
224 Elf32_Word sh_flags; /* flags */
225 Elf32_Addr sh_addr; /* address */
226 Elf32_Off sh_offset; /* file offset */
227 Elf32_Word sh_size; /* section size */
228 Elf32_Word sh_link; /* section header table index link */
229 Elf32_Word sh_info; /* extra information */
230 Elf32_Word sh_addralign; /* address alignment */
231 Elf32_Word sh_entsize; /* section entry size */
232 } Elf32_Shdr;
233
234 /* Special Section Indexes */
235 #define SHN_UNDEF 0 /* undefined */
236 #define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */
237 #define SHN_LOPROC 0xff00 /* reserved range for processor */
238 #define SHN_HIPROC 0xff1f /* specific section indexes */
239 #define SHN_LOOS 0xff20 /* reserved range for operating */
240 #define SHN_HIOS 0xff3f /* specific semantics */
241 #define SHN_ABS 0xfff1 /* absolute value */
242 #define SHN_COMMON 0xfff2 /* common symbol */
243 #define SHN_XINDEX 0xffff /* Index is an extra table */
244 #define SHN_HIRESERVE 0xffff /* upper bounds of reserved indexes */
245
246 /* sh_type */
247 #define SHT_NULL 0 /* inactive */
248 #define SHT_PROGBITS 1 /* program defined information */
249 #define SHT_SYMTAB 2 /* symbol table section */
250 #define SHT_STRTAB 3 /* string table section */
251 #define SHT_RELA 4 /* relocation section with addends*/
252 #define SHT_HASH 5 /* symbol hash table section */
253 #define SHT_DYNAMIC 6 /* dynamic section */
254 #define SHT_NOTE 7 /* note section */
255 #define SHT_NOBITS 8 /* no space section */
256 #define SHT_REL 9 /* relation section without addends */
257 #define SHT_SHLIB 10 /* reserved - purpose unknown */
258 #define SHT_DYNSYM 11 /* dynamic symbol table section */
259 #define SHT_INIT_ARRAY 14 /* Array of constructors */
260 #define SHT_FINI_ARRAY 15 /* Array of destructors */
261 #define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
262 #define SHT_GROUP 17 /* Section group */
263 #define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */
264 #define SHT_NUM 19 /* number of section types */
265 #define SHT_LOOS 0x60000000 /* Start OS-specific */
266 #define SHT_HIOS 0x6fffffff /* End OS-specific */
267 #define SHT_LOPROC 0x70000000 /* reserved range for processor */
268 #define SHT_HIPROC 0x7fffffff /* specific section header types */
269 #define SHT_LOUSER 0x80000000 /* reserved range for application */
270 #define SHT_HIUSER 0xffffffff /* specific indexes */
271
272 /* Section names */
273 #define ELF_BSS ".bss" /* uninitialized data */
274 #define ELF_COMMENT ".comment" /* version control information */
275 #define ELF_DATA ".data" /* initialized data */
276 #define ELF_DATA1 ".data1" /* initialized data */
277 #define ELF_DEBUG ".debug" /* debug */
278 #define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
279 #define ELF_DYNSTR ".dynstr" /* dynamic string table */
280 #define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
281 #define ELF_FINI ".fini" /* termination code */
282 #define ELF_FINI_ARRAY ".fini_array" /* Array of destructors */
283 #define ELF_GOT ".got" /* global offset table */
284 #define ELF_HASH ".hash" /* symbol hash table */
285 #define ELF_INIT ".init" /* initialization code */
286 #define ELF_INIT_ARRAY ".init_array" /* Array of constuctors */
287 #define ELF_INTERP ".interp" /* Pathname of program interpreter */
288 #define ELF_LINE ".line" /* Symbolic line numnber information */
289 #define ELF_NOTE ".note" /* Contains note section */
290 #define ELF_PLT ".plt" /* Procedure linkage table */
291 #define ELF_PREINIT_ARRAY ".preinit_array" /* Array of pre-constructors */
292 #define ELF_REL_DATA ".rel.data" /* relocation data */
293 #define ELF_REL_FINI ".rel.fini" /* relocation termination code */
294 #define ELF_REL_INIT ".rel.init" /* relocation initialization code */
295 #define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
296 #define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
297 #define ELF_REL_TEXT ".rel.text" /* relocation code */
298 #define ELF_RODATA ".rodata" /* read-only data */
299 #define ELF_RODATA1 ".rodata1" /* read-only data */
300 #define ELF_SHSTRTAB ".shstrtab" /* section header string table */
301 #define ELF_STRTAB ".strtab" /* string table */
302 #define ELF_SYMTAB ".symtab" /* symbol table */
303 #define ELF_SYMTAB_SHNDX ".symtab_shndx"/* symbol table section index */
304 #define ELF_TBSS ".tbss" /* thread local uninit data */
305 #define ELF_TDATA ".tdata" /* thread local init data */
306 #define ELF_TDATA1 ".tdata1" /* thread local init data */
307 #define ELF_TEXT ".text" /* code */
308
309 /* Section Attribute Flags - sh_flags */
310 #define SHF_WRITE 0x1 /* Writable */
311 #define SHF_ALLOC 0x2 /* occupies memory */
312 #define SHF_EXECINSTR 0x4 /* executable */
313 #define SHF_MERGE 0x10 /* Might be merged */
314 #define SHF_STRINGS 0x20 /* Contains NULL terminated strings */
315 #define SHF_INFO_LINK 0x40 /* sh_info contains SHT index */
316 #define SHF_LINK_ORDER 0x80 /* Preserve order after combining*/
317 #define SHF_OS_NONCONFORMING 0x100 /* Non-standard OS specific handling */
318 #define SHF_GROUP 0x200 /* Member of section group */
319 #define SHF_TLS 0x400 /* Thread local storage */
320 #define SHF_MASKOS 0x0ff00000 /* OS specific */
321 #define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */
322 /* specific section attributes */
323
324 /* Section Group Flags */
325 #define GRP_COMDAT 0x1 /* COMDAT group */
326 #define GRP_MASKOS 0x0ff00000 /* Mask OS specific flags */
327 #define GRP_MASKPROC 0xf0000000 /* Mask processor specific flags */
328
329 /* Symbol Table Entry */
330 typedef struct elf32_sym {
331 Elf32_Word st_name; /* name - index into string table */
332 Elf32_Addr st_value; /* symbol value */
333 Elf32_Word st_size; /* symbol size */
334 unsigned char st_info; /* type and binding */
335 unsigned char st_other; /* 0 - no defined meaning */
336 Elf32_Half st_shndx; /* section header index */
337 } Elf32_Sym;
338
339 /* Symbol table index */
340 #define STN_UNDEF 0 /* undefined */
341
342 /* Extract symbol info - st_info */
343 #define ELF32_ST_BIND(x) ((x) >> 4)
344 #define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
345 #define ELF32_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf))
346 #define ELF32_ST_VISIBILITY(x) ((x) & 0x3)
347
348 /* Symbol Binding - ELF32_ST_BIND - st_info */
349 #define STB_LOCAL 0 /* Local symbol */
350 #define STB_GLOBAL 1 /* Global symbol */
351 #define STB_WEAK 2 /* like global - lower precedence */
352 #define STB_NUM 3 /* number of symbol bindings */
353 #define STB_LOOS 10 /* reserved range for operating */
354 #define STB_HIOS 12 /* system specific symbol bindings */
355 #define STB_LOPROC 13 /* reserved range for processor */
356 #define STB_HIPROC 15 /* specific symbol bindings */
357
358 /* Symbol type - ELF32_ST_TYPE - st_info */
359 #define STT_NOTYPE 0 /* not specified */
360 #define STT_OBJECT 1 /* data object */
361 #define STT_FUNC 2 /* function */
362 #define STT_SECTION 3 /* section */
363 #define STT_FILE 4 /* file */
364 #define STT_NUM 5 /* number of symbol types */
365 #define STT_TLS 6 /* Thread local storage symbol */
366 #define STT_LOOS 10 /* reserved range for operating */
367 #define STT_HIOS 12 /* system specific symbol types */
368 #define STT_LOPROC 13 /* reserved range for processor */
369 #define STT_HIPROC 15 /* specific symbol types */
370
371 /* Symbol visibility - ELF32_ST_VISIBILITY - st_other */
372 #define STV_DEFAULT 0 /* Normal visibility rules */
373 #define STV_INTERNAL 1 /* Processor specific hidden class */
374 #define STV_HIDDEN 2 /* Symbol unavailable in other mods */
375 #define STV_PROTECTED 3 /* Not preemptible, not exported */
376
377
378 /* Relocation entry with implicit addend */
379 typedef struct
380 {
381 Elf32_Addr r_offset; /* offset of relocation */
382 Elf32_Word r_info; /* symbol table index and type */
383 } Elf32_Rel;
384
385 /* Relocation entry with explicit addend */
386 typedef struct
387 {
388 Elf32_Addr r_offset; /* offset of relocation */
389 Elf32_Word r_info; /* symbol table index and type */
390 Elf32_Sword r_addend;
391 } Elf32_Rela;
392
393 typedef struct {
394 Elf64_Addr r_offset; /* Location at which to apply the action */
395 Elf64_Xword r_info; /* index and type of relocation */
396 } Elf64_Rel;
397
398 typedef struct {
399 Elf64_Addr r_offset; /* Location at which to apply the action */
400 Elf64_Xword r_info; /* index and type of relocation */
401 Elf64_Sxword r_addend; /* Constant addend used to compute value */
402 } Elf64_Rela;
403
404 /* Extract relocation info - r_info */
405 #define ELF32_R_SYM(i) ((i) >> 8)
406 #define ELF32_R_TYPE(i) ((unsigned char) (i))
407 #define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t))
408
409 /* Program Header */
410 typedef struct {
411 Elf32_Word p_type; /* segment type */
412 Elf32_Off p_offset; /* segment offset */
413 Elf32_Addr p_vaddr; /* virtual address of segment */
414 Elf32_Addr p_paddr; /* physical address - ignored? */
415 Elf32_Word p_filesz; /* number of bytes in file for seg. */
416 Elf32_Word p_memsz; /* number of bytes in mem. for seg. */
417 Elf32_Word p_flags; /* flags */
418 Elf32_Word p_align; /* memory alignment */
419 } Elf32_Phdr;
420
421 /* Segment types - p_type */
422 #define PT_NULL 0 /* unused */
423 #define PT_LOAD 1 /* loadable segment */
424 #define PT_DYNAMIC 2 /* dynamic linking section */
425 #define PT_INTERP 3 /* the RTLD */
426 #define PT_NOTE 4 /* auxiliary information */
427 #define PT_SHLIB 5 /* reserved - purpose undefined */
428 #define PT_PHDR 6 /* program header */
429 #define PT_TLS 7 /* Thread local storage template */
430 #define PT_NUM 8 /* Number of segment types */
431 #define PT_LOOS 0x60000000 /* reserved range for operating */
432 #define PT_HIOS 0x6fffffff /* system specific segment types */
433 #define PT_LOPROC 0x70000000 /* reserved range for processor */
434 #define PT_HIPROC 0x7fffffff /* specific segment types */
435
436 /* Segment flags - p_flags */
437 #define PF_X 0x1 /* Executable */
438 #define PF_W 0x2 /* Writable */
439 #define PF_R 0x4 /* Readable */
440 #define PF_MASKOS 0x0ff00000 /* OS specific segment flags */
441 #define PF_MASKPROC 0xf0000000 /* reserved bits for processor */
442 /* specific segment flags */
443 /* Dynamic structure */
444 typedef struct
445 {
446 Elf32_Sword d_tag; /* controls meaning of d_val */
447 union
448 {
449 Elf32_Word d_val; /* Multiple meanings - see d_tag */
450 Elf32_Addr d_ptr; /* program virtual address */
451 } d_un;
452 } Elf32_Dyn;
453
454 extern Elf32_Dyn _DYNAMIC[];
455
456 typedef struct {
457 Elf64_Sxword d_tag; /* entry tag value */
458 union {
459 Elf64_Xword d_val;
460 Elf64_Addr d_ptr;
461 } d_un;
462 } Elf64_Dyn;
463
464 #define ELF64_R_SYM(i) ((i) >> 32)
465 #define ELF64_R_TYPE(i) ((i) & 0xffffffff)
466
467 /* Dynamic Array Tags - d_tag */
468 #define DT_NULL 0 /* marks end of _DYNAMIC array */
469 #define DT_NEEDED 1 /* string table offset of needed lib */
470 #define DT_PLTRELSZ 2 /* size of relocation entries in PLT */
471 #define DT_PLTGOT 3 /* address PLT/GOT */
472 #define DT_HASH 4 /* address of symbol hash table */
473 #define DT_STRTAB 5 /* address of string table */
474 #define DT_SYMTAB 6 /* address of symbol table */
475 #define DT_RELA 7 /* address of relocation table */
476 #define DT_RELASZ 8 /* size of relocation table */
477 #define DT_RELAENT 9 /* size of relocation entry */
478 #define DT_STRSZ 10 /* size of string table */
479 #define DT_SYMENT 11 /* size of symbol table entry */
480 #define DT_INIT 12 /* address of initialization func. */
481 #define DT_FINI 13 /* address of termination function */
482 #define DT_SONAME 14 /* string table offset of shared obj */
483 #define DT_RPATH 15 /* string table offset of library
484 search path */
485 #define DT_SYMBOLIC 16 /* start sym search in shared obj. */
486 #define DT_REL 17 /* address of rel. tbl. w addends */
487 #define DT_RELSZ 18 /* size of DT_REL relocation table */
488 #define DT_RELENT 19 /* size of DT_REL relocation entry */
489 #define DT_PLTREL 20 /* PLT referenced relocation entry */
490 #define DT_DEBUG 21 /* bugger */
491 #define DT_TEXTREL 22 /* Allow rel. mod. to unwritable seg */
492 #define DT_JMPREL 23 /* add. of PLT's relocation entries */
493 #define DT_BIND_NOW 24 /* Process relocations of object */
494 #define DT_INIT_ARRAY 25 /* Array with addresses of init fct */
495 #define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
496 #define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
497 #define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
498 #define DT_RUNPATH 29 /* Library search path */
499 #define DT_FLAGS 30 /* Flags for the object being loaded */
500 #define DT_ENCODING 32 /* Start of encoded range */
501 #define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
502 #define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
503 #define DT_NUM 34 /* Number used. */
504 #define DT_LOOS 0x60000000 /* reserved range for OS */
505 #define DT_HIOS 0x6fffffff /* specific dynamic array tags */
506 #define DT_LOPROC 0x70000000 /* reserved range for processor */
507 #define DT_HIPROC 0x7fffffff /* specific dynamic array tags */
508
509 /* Dynamic Tag Flags - d_un.d_val */
510 #define DF_ORIGIN 0x01 /* Object may use DF_ORIGIN */
511 #define DF_SYMBOLIC 0x02 /* Symbol resolutions starts here */
512 #define DF_TEXTREL 0x04 /* Object contains text relocations */
513 #define DF_BIND_NOW 0x08 /* No lazy binding for this object */
514 #define DF_STATIC_TLS 0x10 /* Static thread local storage */
515
516 /* Standard ELF hashing function */
517 unsigned long elf_hash(const unsigned char *name);
518
519 #define ELF_TARG_VER 1 /* The ver for which this code is intended */
520
521 #endif /* __ASSEMBLER */
522
523 /*
524 * XXX - PowerPC defines really don't belong in here,
525 * but we'll put them in for simplicity.
526 */
527
528 /* Values for Elf32/64_Ehdr.e_flags. */
529 #define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */
530
531 /* Cygnus local bits below */
532 #define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/
533 #define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib
534 flag */
535
536 /* PowerPC relocations defined by the ABIs */
537 #define R_PPC_NONE 0
538 #define R_PPC_ADDR32 1 /* 32bit absolute address */
539 #define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */
540 #define R_PPC_ADDR16 3 /* 16bit absolute address */
541 #define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */
542 #define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */
543 #define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */
544 #define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */
545 #define R_PPC_ADDR14_BRTAKEN 8
546 #define R_PPC_ADDR14_BRNTAKEN 9
547 #define R_PPC_REL24 10 /* PC relative 26 bit */
548 #define R_PPC_REL14 11 /* PC relative 16 bit */
549 #define R_PPC_REL14_BRTAKEN 12
550 #define R_PPC_REL14_BRNTAKEN 13
551 #define R_PPC_GOT16 14
552 #define R_PPC_GOT16_LO 15
553 #define R_PPC_GOT16_HI 16
554 #define R_PPC_GOT16_HA 17
555 #define R_PPC_PLTREL24 18
556 #define R_PPC_COPY 19
557 #define R_PPC_GLOB_DAT 20
558 #define R_PPC_JMP_SLOT 21
559 #define R_PPC_RELATIVE 22
560 #define R_PPC_LOCAL24PC 23
561 #define R_PPC_UADDR32 24
562 #define R_PPC_UADDR16 25
563 #define R_PPC_REL32 26
564 #define R_PPC_PLT32 27
565 #define R_PPC_PLTREL32 28
566 #define R_PPC_PLT16_LO 29
567 #define R_PPC_PLT16_HI 30
568 #define R_PPC_PLT16_HA 31
569 #define R_PPC_SDAREL16 32
570 #define R_PPC_SECTOFF 33
571 #define R_PPC_SECTOFF_LO 34
572 #define R_PPC_SECTOFF_HI 35
573 #define R_PPC_SECTOFF_HA 36
574 /* Keep this the last entry. */
575 #define R_PPC_NUM 37
576
577 /* The remaining relocs are from the Embedded ELF ABI, and are not
578 in the SVR4 ELF ABI. */
579 #define R_PPC_EMB_NADDR32 101
580 #define R_PPC_EMB_NADDR16 102
581 #define R_PPC_EMB_NADDR16_LO 103
582 #define R_PPC_EMB_NADDR16_HI 104
583 #define R_PPC_EMB_NADDR16_HA 105
584 #define R_PPC_EMB_SDAI16 106
585 #define R_PPC_EMB_SDA2I16 107
586 #define R_PPC_EMB_SDA2REL 108
587 #define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */
588 #define R_PPC_EMB_MRKREF 110
589 #define R_PPC_EMB_RELSEC16 111
590 #define R_PPC_EMB_RELST_LO 112
591 #define R_PPC_EMB_RELST_HI 113
592 #define R_PPC_EMB_RELST_HA 114
593 #define R_PPC_EMB_BIT_FLD 115
594 #define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */
595
596 /* Diab tool relocations. */
597 #define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */
598 #define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */
599 #define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */
600 #define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */
601 #define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */
602 #define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */
603
604 /* This is a phony reloc to handle any old fashioned TOC16 references
605 that may still be in object files. */
606 #define R_PPC_TOC16 255
607
608 /* ARM relocs */
609 #define R_ARM_NONE 0 /* No reloc */
610 #define R_ARM_RELATIVE 23 /* Adjust by program base */
611
612 /* AArch64 relocs */
613 #define R_AARCH64_NONE 0 /* No relocation. */
614 #define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */
615
616 #ifndef __ASSEMBLER__
617 int valid_elf_image(unsigned long addr);
618 #endif
619
620 #endif /* _ELF_H */
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