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arc: hard-code CONFIG_SYS_GENERIC_BOARD into asm/config.h
[people/ms/u-boot.git] / include / elf.h
CommitLineData
a2cecab6
WD		 1/*
2 * Copyright (c) 1995, 1996, 2001, 2002
3 * Erik Theisen. All rights reserved.
4 *
cb3761ea 5 * SPDX-License-Identifier: BSD-3-Clause
a2cecab6
WD		 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
37566090 16#include "compiler.h"
a2cecab6 17
a2cecab6
WD		 18/*
19 * This version doesn't work for 64-bit ABIs - Erik.
20 */
21
22/*
23 * These typedefs need to be handled better.
24 */
25typedef uint32_t Elf32_Addr; /* Unsigned program address */
26typedef uint32_t Elf32_Off; /* Unsigned file offset */
27typedef int32_t Elf32_Sword; /* Signed large integer */
28typedef uint32_t Elf32_Word; /* Unsigned large integer */
29typedef uint16_t Elf32_Half; /* Unsigned medium integer */
30
31/* e_ident[] identification indexes */
32#define EI_MAG0 0 /* file ID */
33#define EI_MAG1 1 /* file ID */
34#define EI_MAG2 2 /* file ID */
35#define EI_MAG3 3 /* file ID */
36#define EI_CLASS 4 /* file class */
37#define EI_DATA 5 /* data encoding */
38#define EI_VERSION 6 /* ELF header version */
39#define EI_OSABI 7 /* OS/ABI specific ELF extensions */
40#define EI_ABIVERSION 8 /* ABI target version */
41#define EI_PAD 9 /* start of pad bytes */
42#define EI_NIDENT 16 /* Size of e_ident[] */
43
44/* e_ident[] magic number */
45#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
46#define ELFMAG1 'E' /* e_ident[EI_MAG1] */
47#define ELFMAG2 'L' /* e_ident[EI_MAG2] */
48#define ELFMAG3 'F' /* e_ident[EI_MAG3] */
49#define ELFMAG "\177ELF" /* magic */
50#define SELFMAG 4 /* size of magic */
51
52/* e_ident[] file class */
53#define ELFCLASSNONE 0 /* invalid */
54#define ELFCLASS32 1 /* 32-bit objs */
55#define ELFCLASS64 2 /* 64-bit objs */
56#define ELFCLASSNUM 3 /* number of classes */
57
58/* e_ident[] data encoding */
59#define ELFDATANONE 0 /* invalid */
60#define ELFDATA2LSB 1 /* Little-Endian */
61#define ELFDATA2MSB 2 /* Big-Endian */
62#define ELFDATANUM 3 /* number of data encode defines */
63
64/* e_ident[] OS/ABI specific ELF extensions */
65#define ELFOSABI_NONE 0 /* No extension specified */
66#define ELFOSABI_HPUX 1 /* Hewlett-Packard HP-UX */
67#define ELFOSABI_NETBSD 2 /* NetBSD */
68#define ELFOSABI_LINUX 3 /* Linux */
69#define ELFOSABI_SOLARIS 6 /* Sun Solaris */
70#define ELFOSABI_AIX 7 /* AIX */
71#define ELFOSABI_IRIX 8 /* IRIX */
72#define ELFOSABI_FREEBSD 9 /* FreeBSD */
73#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX */
74#define ELFOSABI_MODESTO 11 /* Novell Modesto */
75#define ELFOSABI_OPENBSD 12 /* OpenBSD */
76/* 64-255 Architecture-specific value range */
77
78/* e_ident[] ABI Version */
79#define ELFABIVERSION 0
80
81/* e_ident */
82#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
8bde7f77
WD		 83 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
84 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
85 (ehdr).e_ident[EI_MAG3] == ELFMAG3)
a2cecab6
WD		 86
87/* ELF Header */
88typedef struct elfhdr{
89 unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
90 Elf32_Half e_type; /* object file type */
91 Elf32_Half e_machine; /* machine */
92 Elf32_Word e_version; /* object file version */
93 Elf32_Addr e_entry; /* virtual entry point */
94 Elf32_Off e_phoff; /* program header table offset */
95 Elf32_Off e_shoff; /* section header table offset */
96 Elf32_Word e_flags; /* processor-specific flags */
97 Elf32_Half e_ehsize; /* ELF header size */
98 Elf32_Half e_phentsize; /* program header entry size */
99 Elf32_Half e_phnum; /* number of program header entries */
100 Elf32_Half e_shentsize; /* section header entry size */
101 Elf32_Half e_shnum; /* number of section header entries */
102 Elf32_Half e_shstrndx; /* section header table's "section
103 header string table" entry offset */
104} Elf32_Ehdr;
105
106/* e_type */
107#define ET_NONE 0 /* No file type */
108#define ET_REL 1 /* relocatable file */
109#define ET_EXEC 2 /* executable file */
110#define ET_DYN 3 /* shared object file */
111#define ET_CORE 4 /* core file */
112#define ET_NUM 5 /* number of types */
113#define ET_LOOS 0xfe00 /* reserved range for operating */
114#define ET_HIOS 0xfeff /* system specific e_type */
115#define ET_LOPROC 0xff00 /* reserved range for processor */
116#define ET_HIPROC 0xffff /* specific e_type */
117
118/* e_machine */
119#define EM_NONE 0 /* No Machine */
120#define EM_M32 1 /* AT&T WE 32100 */
121#define EM_SPARC 2 /* SPARC */
122#define EM_386 3 /* Intel 80386 */
123#define EM_68K 4 /* Motorola 68000 */
124#define EM_88K 5 /* Motorola 88000 */
125#if 0
126#define EM_486 6 /* RESERVED - was Intel 80486 */
127#endif
128#define EM_860 7 /* Intel 80860 */
129#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */
130#define EM_S370 9 /* IBM System/370 Processor */
131#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
132#if 0
133#define EM_SPARC64 11 /* RESERVED - was SPARC v9
134 64-bit unoffical */
135#endif
136/* RESERVED 11-14 for future use */
137#define EM_PARISC 15 /* HPPA */
138/* RESERVED 16 for future use */
139#define EM_VPP500 17 /* Fujitsu VPP500 */
140#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
141#define EM_960 19 /* Intel 80960 */
142#define EM_PPC 20 /* PowerPC */
143#define EM_PPC64 21 /* 64-bit PowerPC */
144#define EM_S390 22 /* IBM System/390 Processor */
145/* RESERVED 23-35 for future use */
146#define EM_V800 36 /* NEC V800 */
147#define EM_FR20 37 /* Fujitsu FR20 */
148#define EM_RH32 38 /* TRW RH-32 */
149#define EM_RCE 39 /* Motorola RCE */
150#define EM_ARM 40 /* Advanced Risc Machines ARM */
151#define EM_ALPHA 41 /* Digital Alpha */
152#define EM_SH 42 /* Hitachi SH */
153#define EM_SPARCV9 43 /* SPARC Version 9 */
154#define EM_TRICORE 44 /* Siemens TriCore embedded processor */
155#define EM_ARC 45 /* Argonaut RISC Core */
156#define EM_H8_300 46 /* Hitachi H8/300 */
157#define EM_H8_300H 47 /* Hitachi H8/300H */
158#define EM_H8S 48 /* Hitachi H8S */
159#define EM_H8_500 49 /* Hitachi H8/500 */
160#define EM_IA_64 50 /* Intel Merced */
161#define EM_MIPS_X 51 /* Stanford MIPS-X */
162#define EM_COLDFIRE 52 /* Motorola Coldfire */
163#define EM_68HC12 53 /* Motorola M68HC12 */
164#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/
165#define EM_PCP 55 /* Siemens PCP */
166#define EM_NCPU 56 /* Sony nCPU embeeded RISC */
167#define EM_NDR1 57 /* Denso NDR1 microprocessor */
168#define EM_STARCORE 58 /* Motorola Start*Core processor */
169#define EM_ME16 59 /* Toyota ME16 processor */
170#define EM_ST100 60 /* STMicroelectronic ST100 processor */
171#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/
172#define EM_X86_64 62 /* AMD x86-64 */
173#define EM_PDSP 63 /* Sony DSP Processor */
174/* RESERVED 64,65 for future use */
175#define EM_FX66 66 /* Siemens FX66 microcontroller */
176#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */
177#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */
178#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */
179#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */
180#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */
181#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */
182#define EM_SVX 73 /* Silicon Graphics SVx */
183#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */
184#define EM_VAX 75 /* Digital VAX */
185#define EM_CHRIS 76 /* Axis Communications embedded proc. */
186#define EM_JAVELIN 77 /* Infineon Technologies emb. proc. */
187#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */
188#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */
189#define EM_MMIX 80 /* Donald Knuth's edu 64-bit proc. */
190#define EM_HUANY 81 /* Harvard University mach-indep objs */
191#define EM_PRISM 82 /* SiTera Prism */
192#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
193#define EM_FR30 84 /* Fujitsu FR30 */
194#define EM_D10V 85 /* Mitsubishi DV10V */
195#define EM_D30V 86 /* Mitsubishi DV30V */
196#define EM_V850 87 /* NEC v850 */
197#define EM_M32R 88 /* Mitsubishi M32R */
198#define EM_MN10300 89 /* Matsushita MN10200 */
199#define EM_MN10200 90 /* Matsushita MN10200 */
200#define EM_PJ 91 /* picoJava */
201#define EM_NUM 92 /* number of machine types */
202
203/* Version */
204#define EV_NONE 0 /* Invalid */
205#define EV_CURRENT 1 /* Current */
206#define EV_NUM 2 /* number of versions */
207
208/* Section Header */
209typedef struct {
210 Elf32_Word sh_name; /* name - index into section header
211 string table section */
212 Elf32_Word sh_type; /* type */
213 Elf32_Word sh_flags; /* flags */
214 Elf32_Addr sh_addr; /* address */
215 Elf32_Off sh_offset; /* file offset */
216 Elf32_Word sh_size; /* section size */
217 Elf32_Word sh_link; /* section header table index link */
218 Elf32_Word sh_info; /* extra information */
219 Elf32_Word sh_addralign; /* address alignment */
220 Elf32_Word sh_entsize; /* section entry size */
221} Elf32_Shdr;
222
223/* Special Section Indexes */
224#define SHN_UNDEF 0 /* undefined */
225#define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */
226#define SHN_LOPROC 0xff00 /* reserved range for processor */
227#define SHN_HIPROC 0xff1f /* specific section indexes */
228#define SHN_LOOS 0xff20 /* reserved range for operating */
229#define SHN_HIOS 0xff3f /* specific semantics */
230#define SHN_ABS 0xfff1 /* absolute value */
231#define SHN_COMMON 0xfff2 /* common symbol */
232#define SHN_XINDEX 0xffff /* Index is an extra table */
233#define SHN_HIRESERVE 0xffff /* upper bounds of reserved indexes */
234
235/* sh_type */
236#define SHT_NULL 0 /* inactive */
237#define SHT_PROGBITS 1 /* program defined information */
238#define SHT_SYMTAB 2 /* symbol table section */
239#define SHT_STRTAB 3 /* string table section */
240#define SHT_RELA 4 /* relocation section with addends*/
241#define SHT_HASH 5 /* symbol hash table section */
242#define SHT_DYNAMIC 6 /* dynamic section */
243#define SHT_NOTE 7 /* note section */
244#define SHT_NOBITS 8 /* no space section */
245#define SHT_REL 9 /* relation section without addends */
246#define SHT_SHLIB 10 /* reserved - purpose unknown */
247#define SHT_DYNSYM 11 /* dynamic symbol table section */
248#define SHT_INIT_ARRAY 14 /* Array of constructors */
249#define SHT_FINI_ARRAY 15 /* Array of destructors */
250#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
251#define SHT_GROUP 17 /* Section group */
252#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */
253#define SHT_NUM 19 /* number of section types */
254#define SHT_LOOS 0x60000000 /* Start OS-specific */
255#define SHT_HIOS 0x6fffffff /* End OS-specific */
256#define SHT_LOPROC 0x70000000 /* reserved range for processor */
257#define SHT_HIPROC 0x7fffffff /* specific section header types */
258#define SHT_LOUSER 0x80000000 /* reserved range for application */
259#define SHT_HIUSER 0xffffffff /* specific indexes */
260
261/* Section names */
262#define ELF_BSS ".bss" /* uninitialized data */
263#define ELF_COMMENT ".comment" /* version control information */
264#define ELF_DATA ".data" /* initialized data */
265#define ELF_DATA1 ".data1" /* initialized data */
266#define ELF_DEBUG ".debug" /* debug */
267#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
268#define ELF_DYNSTR ".dynstr" /* dynamic string table */
269#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
270#define ELF_FINI ".fini" /* termination code */
271#define ELF_FINI_ARRAY ".fini_array" /* Array of destructors */
272#define ELF_GOT ".got" /* global offset table */
273#define ELF_HASH ".hash" /* symbol hash table */
274#define ELF_INIT ".init" /* initialization code */
275#define ELF_INIT_ARRAY ".init_array" /* Array of constuctors */
276#define ELF_INTERP ".interp" /* Pathname of program interpreter */
277#define ELF_LINE ".line" /* Symbolic line numnber information */
278#define ELF_NOTE ".note" /* Contains note section */
279#define ELF_PLT ".plt" /* Procedure linkage table */
280#define ELF_PREINIT_ARRAY ".preinit_array" /* Array of pre-constructors */
281#define ELF_REL_DATA ".rel.data" /* relocation data */
282#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
283#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
284#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
285#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
286#define ELF_REL_TEXT ".rel.text" /* relocation code */
287#define ELF_RODATA ".rodata" /* read-only data */
288#define ELF_RODATA1 ".rodata1" /* read-only data */
289#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
290#define ELF_STRTAB ".strtab" /* string table */
291#define ELF_SYMTAB ".symtab" /* symbol table */
292#define ELF_SYMTAB_SHNDX ".symtab_shndx"/* symbol table section index */
293#define ELF_TBSS ".tbss" /* thread local uninit data */
294#define ELF_TDATA ".tdata" /* thread local init data */
295#define ELF_TDATA1 ".tdata1" /* thread local init data */
296#define ELF_TEXT ".text" /* code */
297
298/* Section Attribute Flags - sh_flags */
299#define SHF_WRITE 0x1 /* Writable */
300#define SHF_ALLOC 0x2 /* occupies memory */
301#define SHF_EXECINSTR 0x4 /* executable */
302#define SHF_MERGE 0x10 /* Might be merged */
303#define SHF_STRINGS 0x20 /* Contains NULL terminated strings */
304#define SHF_INFO_LINK 0x40 /* sh_info contains SHT index */
305#define SHF_LINK_ORDER 0x80 /* Preserve order after combining*/
306#define SHF_OS_NONCONFORMING 0x100 /* Non-standard OS specific handling */
307#define SHF_GROUP 0x200 /* Member of section group */
308#define SHF_TLS 0x400 /* Thread local storage */
309#define SHF_MASKOS 0x0ff00000 /* OS specific */
310#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */
311 /* specific section attributes */
312
313/* Section Group Flags */
314#define GRP_COMDAT 0x1 /* COMDAT group */
315#define GRP_MASKOS 0x0ff00000 /* Mask OS specific flags */
316#define GRP_MASKPROC 0xf0000000 /* Mask processor specific flags */
317
318/* Symbol Table Entry */
319typedef struct elf32_sym {
320 Elf32_Word st_name; /* name - index into string table */
321 Elf32_Addr st_value; /* symbol value */
322 Elf32_Word st_size; /* symbol size */
323 unsigned char st_info; /* type and binding */
324 unsigned char st_other; /* 0 - no defined meaning */
325 Elf32_Half st_shndx; /* section header index */
326} Elf32_Sym;
327
328/* Symbol table index */
329#define STN_UNDEF 0 /* undefined */
330
331/* Extract symbol info - st_info */
332#define ELF32_ST_BIND(x) ((x) >> 4)
333#define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
334#define ELF32_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf))
335#define ELF32_ST_VISIBILITY(x) ((x) & 0x3)
336
337/* Symbol Binding - ELF32_ST_BIND - st_info */
338#define STB_LOCAL 0 /* Local symbol */
339#define STB_GLOBAL 1 /* Global symbol */
340#define STB_WEAK 2 /* like global - lower precedence */
341#define STB_NUM 3 /* number of symbol bindings */
342#define STB_LOOS 10 /* reserved range for operating */
343#define STB_HIOS 12 /* system specific symbol bindings */
344#define STB_LOPROC 13 /* reserved range for processor */
345#define STB_HIPROC 15 /* specific symbol bindings */
346
347/* Symbol type - ELF32_ST_TYPE - st_info */
348#define STT_NOTYPE 0 /* not specified */
349#define STT_OBJECT 1 /* data object */
350#define STT_FUNC 2 /* function */
351#define STT_SECTION 3 /* section */
352#define STT_FILE 4 /* file */
353#define STT_NUM 5 /* number of symbol types */
354#define STT_TLS 6 /* Thread local storage symbol */
355#define STT_LOOS 10 /* reserved range for operating */
356#define STT_HIOS 12 /* system specific symbol types */
357#define STT_LOPROC 13 /* reserved range for processor */
358#define STT_HIPROC 15 /* specific symbol types */
359
360/* Symbol visibility - ELF32_ST_VISIBILITY - st_other */
361#define STV_DEFAULT 0 /* Normal visibility rules */
362#define STV_INTERNAL 1 /* Processor specific hidden class */
363#define STV_HIDDEN 2 /* Symbol unavailable in other mods */
364#define STV_PROTECTED 3 /* Not preemptible, not exported */
365
366
367/* Relocation entry with implicit addend */
368typedef struct
369{
370 Elf32_Addr r_offset; /* offset of relocation */
371 Elf32_Word r_info; /* symbol table index and type */
372} Elf32_Rel;
373
374/* Relocation entry with explicit addend */
375typedef struct
376{
377 Elf32_Addr r_offset; /* offset of relocation */
378 Elf32_Word r_info; /* symbol table index and type */
379 Elf32_Sword r_addend;
380} Elf32_Rela;
381
382/* Extract relocation info - r_info */
383#define ELF32_R_SYM(i) ((i) >> 8)
384#define ELF32_R_TYPE(i) ((unsigned char) (i))
53677ef1 385#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t))
a2cecab6
WD		 386
387/* Program Header */
388typedef struct {
389 Elf32_Word p_type; /* segment type */
390 Elf32_Off p_offset; /* segment offset */
391 Elf32_Addr p_vaddr; /* virtual address of segment */
392 Elf32_Addr p_paddr; /* physical address - ignored? */
393 Elf32_Word p_filesz; /* number of bytes in file for seg. */
394 Elf32_Word p_memsz; /* number of bytes in mem. for seg. */
395 Elf32_Word p_flags; /* flags */
396 Elf32_Word p_align; /* memory alignment */
397} Elf32_Phdr;
398
399/* Segment types - p_type */
400#define PT_NULL 0 /* unused */
401#define PT_LOAD 1 /* loadable segment */
402#define PT_DYNAMIC 2 /* dynamic linking section */
403#define PT_INTERP 3 /* the RTLD */
404#define PT_NOTE 4 /* auxiliary information */
405#define PT_SHLIB 5 /* reserved - purpose undefined */
406#define PT_PHDR 6 /* program header */
407#define PT_TLS 7 /* Thread local storage template */
408#define PT_NUM 8 /* Number of segment types */
409#define PT_LOOS 0x60000000 /* reserved range for operating */
410#define PT_HIOS 0x6fffffff /* system specific segment types */
411#define PT_LOPROC 0x70000000 /* reserved range for processor */
412#define PT_HIPROC 0x7fffffff /* specific segment types */
413
414/* Segment flags - p_flags */
415#define PF_X 0x1 /* Executable */
416#define PF_W 0x2 /* Writable */
417#define PF_R 0x4 /* Readable */
418#define PF_MASKOS 0x0ff00000 /* OS specific segment flags */
419#define PF_MASKPROC 0xf0000000 /* reserved bits for processor */
420 /* specific segment flags */
421/* Dynamic structure */
422typedef struct
423{
424 Elf32_Sword d_tag; /* controls meaning of d_val */
425 union
426 {
427 Elf32_Word d_val; /* Multiple meanings - see d_tag */
428 Elf32_Addr d_ptr; /* program virtual address */
429 } d_un;
430} Elf32_Dyn;
431
432extern Elf32_Dyn _DYNAMIC[];
433
434/* Dynamic Array Tags - d_tag */
435#define DT_NULL 0 /* marks end of _DYNAMIC array */
436#define DT_NEEDED 1 /* string table offset of needed lib */
437#define DT_PLTRELSZ 2 /* size of relocation entries in PLT */
438#define DT_PLTGOT 3 /* address PLT/GOT */
439#define DT_HASH 4 /* address of symbol hash table */
440#define DT_STRTAB 5 /* address of string table */
441#define DT_SYMTAB 6 /* address of symbol table */
442#define DT_RELA 7 /* address of relocation table */
443#define DT_RELASZ 8 /* size of relocation table */
444#define DT_RELAENT 9 /* size of relocation entry */
445#define DT_STRSZ 10 /* size of string table */
446#define DT_SYMENT 11 /* size of symbol table entry */
447#define DT_INIT 12 /* address of initialization func. */
448#define DT_FINI 13 /* address of termination function */
449#define DT_SONAME 14 /* string table offset of shared obj */
450#define DT_RPATH 15 /* string table offset of library
451 search path */
452#define DT_SYMBOLIC 16 /* start sym search in shared obj. */
453#define DT_REL 17 /* address of rel. tbl. w addends */
454#define DT_RELSZ 18 /* size of DT_REL relocation table */
455#define DT_RELENT 19 /* size of DT_REL relocation entry */
456#define DT_PLTREL 20 /* PLT referenced relocation entry */
457#define DT_DEBUG 21 /* bugger */
458#define DT_TEXTREL 22 /* Allow rel. mod. to unwritable seg */
459#define DT_JMPREL 23 /* add. of PLT's relocation entries */
460#define DT_BIND_NOW 24 /* Process relocations of object */
461#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */
462#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
463#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
464#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
465#define DT_RUNPATH 29 /* Library search path */
466#define DT_FLAGS 30 /* Flags for the object being loaded */
467#define DT_ENCODING 32 /* Start of encoded range */
468#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
469#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
470#define DT_NUM 34 /* Number used. */
471#define DT_LOOS 0x60000000 /* reserved range for OS */
472#define DT_HIOS 0x6fffffff /* specific dynamic array tags */
473#define DT_LOPROC 0x70000000 /* reserved range for processor */
474#define DT_HIPROC 0x7fffffff /* specific dynamic array tags */
475
476/* Dynamic Tag Flags - d_un.d_val */
477#define DF_ORIGIN 0x01 /* Object may use DF_ORIGIN */
478#define DF_SYMBOLIC 0x02 /* Symbol resolutions starts here */
479#define DF_TEXTREL 0x04 /* Object contains text relocations */
480#define DF_BIND_NOW 0x08 /* No lazy binding for this object */
481#define DF_STATIC_TLS 0x10 /* Static thread local storage */
482
483/* Standard ELF hashing function */
484unsigned long elf_hash(const unsigned char *name);
485
486#define ELF_TARG_VER 1 /* The ver for which this code is intended */
487
488/*
489 * XXX - PowerPC defines really don't belong in here,
490 * but we'll put them in for simplicity.
491 */
492
493/* Values for Elf32/64_Ehdr.e_flags. */
494#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */
495
496/* Cygnus local bits below */
497#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/
498#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib
8bde7f77 499 flag */
a2cecab6
WD		 500
501/* PowerPC relocations defined by the ABIs */
502#define R_PPC_NONE 0
503#define R_PPC_ADDR32 1 /* 32bit absolute address */
504#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */
505#define R_PPC_ADDR16 3 /* 16bit absolute address */
506#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */
507#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */
508#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */
509#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */
510#define R_PPC_ADDR14_BRTAKEN 8
511#define R_PPC_ADDR14_BRNTAKEN 9
512#define R_PPC_REL24 10 /* PC relative 26 bit */
513#define R_PPC_REL14 11 /* PC relative 16 bit */
514#define R_PPC_REL14_BRTAKEN 12
515#define R_PPC_REL14_BRNTAKEN 13
516#define R_PPC_GOT16 14
517#define R_PPC_GOT16_LO 15
518#define R_PPC_GOT16_HI 16
519#define R_PPC_GOT16_HA 17
520#define R_PPC_PLTREL24 18
521#define R_PPC_COPY 19
522#define R_PPC_GLOB_DAT 20
523#define R_PPC_JMP_SLOT 21
524#define R_PPC_RELATIVE 22
525#define R_PPC_LOCAL24PC 23
526#define R_PPC_UADDR32 24
527#define R_PPC_UADDR16 25
528#define R_PPC_REL32 26
529#define R_PPC_PLT32 27
530#define R_PPC_PLTREL32 28
531#define R_PPC_PLT16_LO 29
532#define R_PPC_PLT16_HI 30
533#define R_PPC_PLT16_HA 31
534#define R_PPC_SDAREL16 32
535#define R_PPC_SECTOFF 33
536#define R_PPC_SECTOFF_LO 34
537#define R_PPC_SECTOFF_HI 35
538#define R_PPC_SECTOFF_HA 36
539/* Keep this the last entry. */
540#define R_PPC_NUM 37
541
542/* The remaining relocs are from the Embedded ELF ABI, and are not
543 in the SVR4 ELF ABI. */
544#define R_PPC_EMB_NADDR32 101
545#define R_PPC_EMB_NADDR16 102
546#define R_PPC_EMB_NADDR16_LO 103
547#define R_PPC_EMB_NADDR16_HI 104
548#define R_PPC_EMB_NADDR16_HA 105
549#define R_PPC_EMB_SDAI16 106
550#define R_PPC_EMB_SDA2I16 107
551#define R_PPC_EMB_SDA2REL 108
552#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */
553#define R_PPC_EMB_MRKREF 110
554#define R_PPC_EMB_RELSEC16 111
555#define R_PPC_EMB_RELST_LO 112
556#define R_PPC_EMB_RELST_HI 113
557#define R_PPC_EMB_RELST_HA 114
558#define R_PPC_EMB_BIT_FLD 115
559#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */
560
561/* Diab tool relocations. */
562#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */
563#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */
564#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */
565#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */
566#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */
567#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */
568
569/* This is a phony reloc to handle any old fashioned TOC16 references
570 that may still be in object files. */
571#define R_PPC_TOC16 255
572
6f38477d
JH		 573int valid_elf_image(unsigned long addr);
574
a2cecab6 575#endif /* _ELF_H */
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