elf.h revision b32f51ce
1/*
2 * Copyright 2002-2016 Haiku, Inc. All rights reserved.
3 * Distributed under the terms of the MIT License.
4 */
5#ifndef _ELF_H
6#define _ELF_H
7
8
9#include <SupportDefs.h>
10#include <ByteOrder.h>
11
12
13typedef uint32 Elf32_Addr;
14typedef uint16 Elf32_Half;
15typedef uint32 Elf32_Off;
16typedef int32 Elf32_Sword;
17typedef uint32 Elf32_Word;
18
19typedef Elf32_Half Elf32_Versym;
20
21typedef uint64 Elf64_Addr;
22typedef uint64 Elf64_Off;
23typedef uint16 Elf64_Half;
24typedef uint32 Elf64_Word;
25typedef int32 Elf64_Sword;
26typedef uint64 Elf64_Xword;
27typedef int64 Elf64_Sxword;
28
29typedef Elf64_Half Elf64_Versym;
30
31
32/*** ELF header ***/
33
34#define EI_NIDENT	16
35
36typedef struct {
37	uint8		e_ident[EI_NIDENT];
38	Elf32_Half	e_type;
39	Elf32_Half	e_machine;
40	Elf32_Word	e_version;
41	Elf32_Addr	e_entry;
42	Elf32_Off	e_phoff;
43	Elf32_Off	e_shoff;
44	Elf32_Word	e_flags;
45	Elf32_Half	e_ehsize;
46	Elf32_Half	e_phentsize;
47	Elf32_Half	e_phnum;
48	Elf32_Half	e_shentsize;
49	Elf32_Half	e_shnum;
50	Elf32_Half	e_shstrndx;
51
52#ifdef __cplusplus
53	bool IsHostEndian() const;
54#endif
55} Elf32_Ehdr;
56
57typedef struct {
58	uint8		e_ident[EI_NIDENT];
59	Elf64_Half	e_type;
60	Elf64_Half	e_machine;
61	Elf64_Word	e_version;
62	Elf64_Addr	e_entry;
63	Elf64_Off	e_phoff;
64	Elf64_Off	e_shoff;
65	Elf64_Word	e_flags;
66	Elf64_Half	e_ehsize;
67	Elf64_Half	e_phentsize;
68	Elf64_Half	e_phnum;
69	Elf64_Half	e_shentsize;
70	Elf64_Half	e_shnum;
71	Elf64_Half	e_shstrndx;
72
73#ifdef __cplusplus
74	bool IsHostEndian() const;
75#endif
76} Elf64_Ehdr;
77
78/* e_ident[] indices */
79#define EI_MAG0		0
80#define EI_MAG1		1
81#define EI_MAG2		2
82#define EI_MAG3		3
83#define EI_CLASS	4
84#define EI_DATA		5
85#define EI_VERSION	6
86#define EI_PAD		7
87
88/* Values for the magic number bytes. */
89#define ELFMAG0		0x7f
90#define ELFMAG1		'E'
91#define ELFMAG2		'L'
92#define ELFMAG3		'F'
93#define ELFMAG		"\x7f""ELF"
94#define SELFMAG		4
95
96/* e_type (Object file type) */
97#define ET_NONE			0 /* No file type */
98#define ET_REL			1 /* Relocatable file */
99#define ET_EXEC			2 /* Executable file */
100#define ET_DYN			3 /* Shared-object file */
101#define ET_CORE			4 /* Core file */
102#define ET_LOOS			0xfe00 /* OS-specific range start */
103#define ET_HIOS			0xfeff /* OS-specific range end */
104#define ET_LOPROC		0xff00 /* Processor-specific range start */
105#define ET_HIPROC		0xffff /* Processor-specific range end */
106
107/* e_machine (Architecture) */
108#define EM_NONE			0 /* No machine */
109#define EM_M32			1 /* AT&T WE 32100 */
110#define EM_SPARC		2 /* Sparc */
111#define EM_386			3 /* Intel 80386 */
112#define EM_68K			4 /* Motorola m68k family */
113#define EM_88K			5 /* Motorola m88k family */
114#define EM_486			6 /* Intel 80486, Reserved for future use */
115#define EM_860			7 /* Intel 80860 */
116#define EM_MIPS			8 /* MIPS R3000 (officially, big-endian only) */
117#define EM_S370			9 /* IBM System/370 */
118#define EM_MIPS_RS3_LE	10 /* MIPS R3000 little-endian, Deprecated */
119#define EM_PARISC		15 /* HPPA */
120#define EM_VPP550		17 /* Fujitsu VPP500 */
121#define EM_SPARC32PLUS	18 /* Sun "v8plus" */
122#define EM_960			19 /* Intel 80960 */
123#define EM_PPC			20 /* PowerPC */
124#define EM_PPC64		21 /* 64-bit PowerPC */
125#define EM_S390			22 /* IBM S/390 */
126#define EM_V800			36 /* NEC V800 series */
127#define EM_FR20			37 /* Fujitsu FR20 */
128#define EM_RH32			38 /* TRW RH32 */
129#define EM_MCORE		39 /* Motorola M*Core */
130#define EM_RCE			39 /* Old name for MCore */
131#define EM_ARM			40 /* ARM */
132#define EM_OLD_ALPHA	41 /* Digital Alpha */
133#define EM_SH			42 /* Renesas / SuperH SH */
134#define EM_SPARCV9		43 /* SPARC v9 64-bit */
135#define EM_TRICORE		44 /* Siemens Tricore embedded processor */
136#define EM_ARC			45 /* ARC Cores */
137#define EM_H8_300		46 /* Renesas H8/300 */
138#define EM_H8_300H		47 /* Renesas H8/300H */
139#define EM_H8S			48 /* Renesas H8S */
140#define EM_H8_500		49 /* Renesas H8/500 */
141#define EM_IA_64		50 /* Intel IA-64 Processor */
142#define EM_MIPS_X		51 /* Stanford MIPS-X */
143#define EM_COLDFIRE		52 /* Motorola Coldfire */
144#define EM_68HC12		53 /* Motorola M68HC12 */
145#define EM_MMA			54 /* Fujitsu Multimedia Accelerator */
146#define EM_PCP			55 /* Siemens PCP */
147#define EM_NCPU			56 /* Sony nCPU embedded RISC processor */
148#define EM_NDR1			57 /* Denso NDR1 microprocesspr */
149#define EM_STARCORE		58 /* Motorola Star*Core processor */
150#define EM_ME16			59 /* Toyota ME16 processor */
151#define EM_ST100		60 /* STMicroelectronics ST100 processor */
152#define EM_TINYJ		61 /* Advanced Logic Corp. TinyJ embedded processor */
153#define EM_X86_64		62 /* Advanced Micro Devices X86-64 processor */
154
155/* architecture class (EI_CLASS) */
156#define ELFCLASSNONE	0
157#define ELFCLASS32		1
158#define ELFCLASS64		2
159
160/* endian (EI_DATA) */
161#define ELFDATANONE	0	/* invalid */
162#define ELFDATA2LSB	1	/* little endian */
163#define ELFDATA2MSB	2	/* big endian */
164
165/* ELF version (EI_VERSION) */
166#define EV_NONE		0	/* invalid */
167#define EV_CURRENT	1	/* current version */
168
169/*** section header ***/
170
171typedef struct {
172	Elf32_Word	sh_name;
173	Elf32_Word	sh_type;
174	Elf32_Word	sh_flags;
175	Elf32_Addr	sh_addr;
176	Elf32_Off	sh_offset;
177	Elf32_Word	sh_size;
178	Elf32_Word	sh_link;
179	Elf32_Word	sh_info;
180	Elf32_Word	sh_addralign;
181	Elf32_Word	sh_entsize;
182} Elf32_Shdr;
183
184typedef struct {
185	Elf64_Word	sh_name;
186	Elf64_Word	sh_type;
187	Elf64_Xword	sh_flags;
188	Elf64_Addr	sh_addr;
189	Elf64_Off	sh_offset;
190	Elf64_Xword	sh_size;
191	Elf64_Word	sh_link;
192	Elf64_Word	sh_info;
193	Elf64_Xword	sh_addralign;
194	Elf64_Xword	sh_entsize;
195} Elf64_Shdr;
196
197/* special section indices */
198#define SHN_UNDEF		0
199#define SHN_LORESERVE	0xff00
200#define SHN_LOPROC		0xff00
201#define SHN_HIPROC		0xff1f
202#define SHN_ABS			0xfff1
203#define SHN_COMMON		0xfff2
204#define SHN_HIRESERVE	0xffff
205
206/* section header type */
207#define SHT_NULL		0
208#define SHT_PROGBITS	1
209#define SHT_SYMTAB		2
210#define SHT_STRTAB		3
211#define SHT_RELA		4
212#define SHT_HASH		5
213#define SHT_DYNAMIC		6
214#define SHT_NOTE		7
215#define SHT_NOBITS		8
216#define SHT_REL			9
217#define SHT_SHLIB		10
218#define SHT_DYNSYM		11
219
220#define SHT_GNU_verdef	0x6ffffffd    /* version definition section */
221#define SHT_GNU_verneed	0x6ffffffe    /* version needs section */
222#define SHT_GNU_versym	0x6fffffff    /* version symbol table */
223
224#define SHT_LOPROC		0x70000000
225#define SHT_HIPROC		0x7fffffff
226#define SHT_LOUSER		0x80000000
227#define SHT_HIUSER		0xffffffff
228
229/* section header flags */
230#define SHF_WRITE		1
231#define SHF_ALLOC		2
232#define SHF_EXECINSTR	4
233
234#define SHF_MASKPROC	0xf0000000
235
236
237/*** program header ***/
238
239typedef struct {
240	Elf32_Word	p_type;
241	Elf32_Off	p_offset;	/* offset from the beginning of the file of the segment */
242	Elf32_Addr	p_vaddr;	/* virtual address for the segment in memory */
243	Elf32_Addr	p_paddr;
244	Elf32_Word	p_filesz;	/* the size of the segment in the file */
245	Elf32_Word	p_memsz;	/* the size of the segment in memory */
246	Elf32_Word	p_flags;
247	Elf32_Word	p_align;
248
249#ifdef __cplusplus
250	bool IsReadWrite() const;
251	bool IsExecutable() const;
252#endif
253} Elf32_Phdr;
254
255typedef struct {
256	Elf64_Word	p_type;
257	Elf64_Word	p_flags;
258	Elf64_Off	p_offset;	/* offset from the beginning of the file of the segment */
259	Elf64_Addr	p_vaddr;	/* virtual address for the segment in memory */
260	Elf64_Addr	p_paddr;
261	Elf64_Xword	p_filesz;	/* the size of the segment in the file */
262	Elf64_Xword	p_memsz;	/* the size of the segment in memory */
263	Elf64_Xword	p_align;
264
265#ifdef __cplusplus
266	bool IsReadWrite() const;
267	bool IsExecutable() const;
268#endif
269} Elf64_Phdr;
270
271/* program header segment types */
272#define PT_NULL			0
273#define PT_LOAD			1
274#define PT_DYNAMIC		2
275#define PT_INTERP		3
276#define PT_NOTE			4
277#define PT_SHLIB		5
278#define PT_PHDR			6
279#define PT_TLS			7
280#define PT_STACK		0x6474e551
281#define PT_RELRO		0x6474e552
282
283#define PT_LOPROC		0x70000000
284#define PT_ARM_UNWIND	0x70000001
285#define PT_HIPROC		0x7fffffff
286
287/* program header segment flags */
288#define PF_EXECUTE	0x1
289#define PF_WRITE	0x2
290#define PF_READ		0x4
291#define PF_PROTECTION_MASK (PF_EXECUTE | PF_WRITE | PF_READ)
292
293#define PF_MASKPROC	0xf0000000
294
295
296/* symbol table entry */
297
298typedef struct {
299	Elf32_Word	st_name;
300	Elf32_Addr	st_value;
301	Elf32_Word	st_size;
302	uint8		st_info;
303	uint8 		st_other;
304	Elf32_Half	st_shndx;
305
306#ifdef __cplusplus
307	uint8 Bind() const;
308	uint8 Type() const;
309	void SetInfo(uint8 bind, uint8 type);
310#endif
311} Elf32_Sym;
312
313typedef struct {
314	Elf64_Word	st_name;
315	uint8		st_info;
316	uint8		st_other;
317	Elf64_Half	st_shndx;
318	Elf64_Addr	st_value;
319	Elf64_Xword	st_size;
320
321#ifdef __cplusplus
322	uint8 Bind() const;
323	uint8 Type() const;
324	void SetInfo(uint8 bind, uint8 type);
325#endif
326} Elf64_Sym;
327
328#define ELF32_ST_BIND(i) ((i) >> 4)
329#define ELF32_ST_TYPE(i) ((i) & 0xf)
330#define ELF32_ST_INFO(b, t) (((b) << 4) + ((t) & 0xf))
331
332#define ELF64_ST_BIND(i) ((i) >> 4)
333#define ELF64_ST_TYPE(i) ((i) & 0xf)
334#define ELF64_ST_INFO(b, t) (((b) << 4) + ((t) & 0xf))
335
336/* symbol types */
337#define STT_NOTYPE 0
338#define STT_OBJECT 1
339#define STT_FUNC 2
340#define STT_SECTION 3
341#define STT_FILE 4
342#define STT_TLS		6
343#define STT_LOPROC 13
344#define STT_HIPROC 15
345
346/* symbol binding */
347#define STB_LOCAL 0
348#define STB_GLOBAL 1
349#define STB_WEAK 2
350#define STB_LOPROC 13
351#define STB_HIPROC 15
352
353/* special symbol indices */
354#define STN_UNDEF 0
355
356
357/* relocation table entry */
358
359typedef struct {
360	Elf32_Addr r_offset;
361	Elf32_Word r_info;
362
363#ifdef __cplusplus
364	uint8 SymbolIndex() const;
365	uint8 Type() const;
366#endif
367} Elf32_Rel;
368
369typedef struct {
370	Elf64_Addr	r_offset;
371	Elf64_Xword	r_info;
372
373#ifdef __cplusplus
374	uint8 SymbolIndex() const;
375	uint8 Type() const;
376#endif
377} Elf64_Rel;
378
379#ifdef __cplusplus
380typedef struct Elf32_Rela : public Elf32_Rel {
381#else
382typedef struct {
383	Elf32_Addr r_offset;
384	Elf32_Word r_info;
385#endif
386	Elf32_Sword r_addend;
387} Elf32_Rela;
388
389#ifdef __cplusplus
390typedef struct Elf64_Rela : public Elf64_Rel {
391#else
392typedef struct {
393	Elf64_Addr		r_offset;
394	Elf64_Xword		r_info;
395#endif
396	Elf64_Sxword	r_addend;
397} Elf64_Rela;
398
399#define ELF32_R_SYM(i) ((i) >> 8)
400#define ELF32_R_TYPE(i) ((unsigned char)(i))
401#define ELF32_R_INFO(s, t) (((s) << 8) + (unsigned char)(t))
402
403#define ELF64_R_SYM(i) ((i) >> 32)
404#define ELF64_R_TYPE(i) ((i) & 0xffffffffL)
405#define ELF64_R_INFO(s, t) ((((Elf64_Xword)(s)) << 32) + ((t) & 0xffffffffL))
406
407
408/* dynamic section entry */
409
410typedef struct {
411	Elf32_Sword d_tag;
412	union {
413		Elf32_Word d_val;
414		Elf32_Addr d_ptr;
415	} d_un;
416} Elf32_Dyn;
417
418typedef struct {
419	Elf64_Sxword d_tag;
420	union {
421		Elf64_Xword	d_val;
422		Elf64_Addr	d_ptr;
423	} d_un;
424} Elf64_Dyn;
425
426/* dynamic entry type */
427#define DT_NULL				0
428#define DT_NEEDED			1
429#define DT_PLTRELSZ			2
430#define DT_PLTGOT			3
431#define DT_HASH				4
432#define DT_STRTAB			5
433#define DT_SYMTAB			6
434#define DT_RELA				7
435#define DT_RELASZ			8
436#define DT_RELAENT			9
437#define DT_STRSZ			10
438#define DT_SYMENT			11
439#define DT_INIT				12
440#define DT_FINI				13
441#define DT_SONAME			14
442#define DT_RPATH			15
443#define DT_SYMBOLIC			16
444#define DT_REL				17
445#define DT_RELSZ			18
446#define DT_RELENT			19
447#define DT_PLTREL			20
448#define DT_DEBUG			21
449#define DT_TEXTREL			22
450#define DT_JMPREL			23
451#define DT_BIND_NOW			24	/* no lazy binding */
452#define DT_INIT_ARRAY		25	/* init function array */
453#define DT_FINI_ARRAY		26	/* termination function array */
454#define DT_INIT_ARRAYSZ		27	/* init function array size */
455#define DT_FINI_ARRAYSZ		28	/* termination function array size */
456#define DT_RUNPATH			29	/* library search path (supersedes DT_RPATH) */
457#define DT_FLAGS			30	/* flags (see below) */
458#define DT_ENCODING			32
459#define DT_PREINIT_ARRAY	32	/* preinitialization array */
460#define DT_PREINIT_ARRAYSZ	33	/* preinitialization array size */
461
462#define DT_VERSYM       0x6ffffff0	/* symbol version table */
463#define DT_VERDEF		0x6ffffffc	/* version definition table */
464#define DT_VERDEFNUM	0x6ffffffd	/* number of version definitions */
465#define DT_VERNEED		0x6ffffffe 	/* table with needed versions */
466#define DT_VERNEEDNUM	0x6fffffff	/* number of needed versions */
467
468#define DT_LOPROC		0x70000000
469#define DT_HIPROC		0x7fffffff
470
471/* DT_FLAGS values */
472#define DF_ORIGIN		0x01
473#define DF_SYMBOLIC		0x02
474#define DF_TEXTREL		0x04
475#define DF_BIND_NOW		0x08
476#define DF_STATIC_TLS	0x10
477
478
479/* version definition section */
480
481typedef struct {
482	Elf32_Half	vd_version;		/* version revision */
483	Elf32_Half	vd_flags;		/* version information flags */
484	Elf32_Half	vd_ndx;			/* version index as specified in the
485								   symbol version table */
486	Elf32_Half	vd_cnt;			/* number of associated verdaux entries */
487	Elf32_Word	vd_hash;		/* version name hash value */
488	Elf32_Word	vd_aux;			/* byte offset to verdaux array */
489	Elf32_Word	vd_next;		/* byte offset to next verdef entry */
490} Elf32_Verdef;
491
492typedef struct {
493	Elf64_Half	vd_version;		/* version revision */
494	Elf64_Half	vd_flags;		/* version information flags */
495	Elf64_Half	vd_ndx;			/* version index as specified in the
496								   symbol version table */
497	Elf64_Half	vd_cnt;			/* number of associated verdaux entries */
498	Elf64_Word	vd_hash;		/* version name hash value */
499	Elf64_Word	vd_aux;			/* byte offset to verdaux array */
500	Elf64_Word	vd_next;		/* byte offset to next verdef entry */
501} Elf64_Verdef;
502
503/* values for vd_version (version revision) */
504#define VER_DEF_NONE		0		/* no version */
505#define VER_DEF_CURRENT		1		/* current version */
506#define VER_DEF_NUM			2		/* given version number */
507
508/* values for vd_flags (version information flags) */
509#define VER_FLG_BASE		0x1		/* version definition of file itself */
510#define VER_FLG_WEAK		0x2 	/* weak version identifier */
511
512/* values for versym symbol index */
513#define VER_NDX_LOCAL		0		/* symbol is local */
514#define VER_NDX_GLOBAL		1		/* symbol is global/unversioned */
515#define VER_NDX_INITIAL		2		/* initial version -- that's the one given
516									   to symbols when a library becomes
517									   versioned; handled by the linker (and
518									   runtime loader) similar to
519									   VER_NDX_GLOBAL */
520#define VER_NDX_LORESERVE	0xff00	/* beginning of reserved entries */
521#define VER_NDX_ELIMINATE	0xff01	/* symbol is to be eliminated */
522
523#define VER_NDX_FLAG_HIDDEN	0x8000	/* flag: version is hidden */
524#define VER_NDX_MASK		0x7fff	/* mask to get the actual version index */
525#define VER_NDX(x)			((x) & VER_NDX_MASK)
526
527
528/* auxiliary version information */
529
530typedef struct {
531	Elf32_Word	vda_name;		/* string table offset to version or dependency
532								   name */
533	Elf32_Word	vda_next;		/* byte offset to next verdaux entry */
534} Elf32_Verdaux;
535
536typedef struct {
537	Elf64_Word	vda_name;		/* string table offset to version or dependency
538								   name */
539	Elf64_Word	vda_next;		/* byte offset to next verdaux entry */
540} Elf64_Verdaux;
541
542
543/* version dependency section */
544
545typedef struct {
546	Elf32_Half	vn_version;		/* version of structure */
547	Elf32_Half	vn_cnt;			/* number of associated vernaux entries */
548	Elf32_Word	vn_file;		/* byte offset to file name for this
549								   dependency */
550	Elf32_Word	vn_aux;			/* byte offset to vernaux array */
551	Elf32_Word	vn_next;		/* byte offset to next verneed entry */
552} Elf32_Verneed;
553
554typedef struct {
555	Elf64_Half	vn_version;		/* version of structure */
556	Elf64_Half	vn_cnt;			/* number of associated vernaux entries */
557	Elf64_Word	vn_file;		/* byte offset to file name for this
558								   dependency */
559	Elf64_Word	vn_aux;			/* byte offset to vernaux array */
560	Elf64_Word	vn_next;		/* byte offset to next verneed entry */
561} Elf64_Verneed;
562
563/* values for vn_version (version revision) */
564#define VER_NEED_NONE		0	/* no version */
565#define VER_NEED_CURRENT	1	/* current version */
566#define VER_NEED_NUM		2	/* given version number */
567
568
569/* auxiliary needed version information */
570
571typedef struct {
572	Elf32_Word	vna_hash;		/* dependency name hash value */
573	Elf32_Half	vna_flags;		/* dependency specific information flags */
574	Elf32_Half	vna_other;		/* version index as specified in the symbol
575								   version table */
576	Elf32_Word	vna_name;		/* string table offset to dependency name */
577	Elf32_Word	vna_next;		/* byte offset to next vernaux entry */
578} Elf32_Vernaux;
579
580typedef struct {
581	Elf64_Word	vna_hash;		/* dependency name hash value */
582	Elf64_Half	vna_flags;		/* dependency specific information flags */
583	Elf64_Half	vna_other;		/* version index as specified in the symbol
584								   version table */
585	Elf64_Word	vna_name;		/* string table offset to dependency name */
586	Elf64_Word	vna_next;		/* byte offset to next vernaux entry */
587} Elf64_Vernaux;
588
589/* values for vna_flags */
590#define VER_FLG_WEAK	0x2		/* weak version identifier */
591
592
593/*** core files ***/
594
595/* note section header */
596
597typedef struct {
598	Elf32_Word n_namesz;		/* length of the note's name */
599	Elf32_Word n_descsz;		/* length of the note's descriptor */
600	Elf32_Word n_type;			/* note type */
601} Elf32_Nhdr;
602
603typedef struct {
604	Elf64_Word n_namesz;		/* length of the note's name */
605	Elf64_Word n_descsz;		/* length of the note's descriptor */
606	Elf64_Word n_type;			/* note type */
607} Elf64_Nhdr;
608
609/* values for note name */
610#define ELF_NOTE_CORE		"CORE"
611#define ELF_NOTE_HAIKU		"Haiku"
612
613/* values for note type (n_type) */
614/* ELF_NOTE_CORE/... */
615#define NT_FILE				0x46494c45 /* mapped files */
616
617/* ELF_NOTE_HAIKU/... */
618#define NT_TEAM				0x7465616d 	/* team */
619#define NT_AREAS			0x61726561 	/* areas */
620#define NT_IMAGES			0x696d6167 	/* images */
621#define NT_THREADS			0x74687264 	/* threads */
622#define NT_SYMBOLS			0x73796d73 	/* symbols */
623
624/* NT_TEAM: uint32 entrySize; Elf32_Note_Team; char[] args */
625typedef struct {
626	int32		nt_id;				/* team ID */
627	int32		nt_uid;				/* team owner ID */
628	int32		nt_gid;				/* team group ID */
629} Elf32_Note_Team;
630
631typedef Elf32_Note_Team Elf64_Note_Team;
632
633/* NT_AREAS:
634 * uint32 count;
635 * uint32 entrySize;
636 * Elf32_Note_Area_Entry[count];
637 * char[] names
638 */
639typedef struct {
640	int32		na_id;				/* area ID */
641	uint32		na_lock;			/* lock type (B_NO_LOCK, ...) */
642	uint32		na_protection;		/* protection (B_READ_AREA | ...) */
643	uint32		na_base;			/* area base address */
644	uint32		na_size;			/* area size */
645	uint32		na_ram_size;		/* physical memory used */
646} Elf32_Note_Area_Entry;
647
648/* NT_AREAS:
649 * uint32 count;
650 * uint32 entrySize;
651 * Elf64_Note_Area_Entry[count];
652 * char[] names
653 */
654typedef struct {
655	int32		na_id;				/* area ID */
656	uint32		na_lock;			/* lock type (B_NO_LOCK, ...) */
657	uint32		na_protection;		/* protection (B_READ_AREA | ...) */
658	uint32		na_pad1;
659	uint64		na_base;			/* area base address */
660	uint64		na_size;			/* area size */
661	uint64		na_ram_size;		/* physical memory used */
662} Elf64_Note_Area_Entry;
663
664/* NT_IMAGES:
665 * uint32 count;
666 * uint32 entrySize;
667 * Elf32_Note_Image_Entry[count];
668 * char[] names
669 */
670typedef struct {
671	int32		ni_id;				/* image ID */
672	int32		ni_type;			/* image type (B_APP_IMAGE, ...) */
673	uint32		ni_init_routine;	/* address of init function */
674	uint32		ni_term_routine;	/* address of termination function */
675	int32		ni_device;			/* device ID of mapped file */
676	int64		ni_node;			/* node ID of mapped file */
677	uint32		ni_text_base;		/* base address of text segment */
678	uint32		ni_text_size;		/* size of text segment */
679	int32		ni_text_delta;		/* delta of the text segment relative to
680									   load address specified in the ELF file */
681	uint32		ni_data_base;		/* base address of data segment */
682	uint32		ni_data_size;		/* size of data segment */
683	uint32		ni_symbol_table;	/* address of dynamic symbol table */
684	uint32		ni_symbol_hash;		/* address of dynamic symbol hash */
685	uint32		ni_string_table;	/* address of dynamic string table */
686} Elf32_Note_Image_Entry;
687
688/* NT_IMAGES:
689 * uint32 count;
690 * uint32 entrySize;
691 * Elf64_Note_Image_Entry[count];
692 * char[] names
693 */
694typedef struct {
695	int32		ni_id;				/* image ID */
696	int32		ni_type;			/* image type (B_APP_IMAGE, ...) */
697	uint64		ni_init_routine;	/* address of init function */
698	uint64		ni_term_routine;	/* address of termination function */
699	uint32		ni_pad1;
700	int32		ni_device;			/* device ID of mapped file */
701	int64		ni_node;			/* node ID of mapped file */
702	uint64		ni_text_base;		/* base address of text segment */
703	uint64		ni_text_size;		/* size of text segment */
704	int64		ni_text_delta;		/* delta of the text segment relative to
705									   load address specified in the ELF file */
706	uint64		ni_data_base;		/* base address of data segment */
707	uint64		ni_data_size;		/* size of data segment */
708	uint64		ni_symbol_table;	/* address of dynamic symbol table */
709	uint64		ni_symbol_hash;		/* address of dynamic symbol hash */
710	uint64		ni_string_table;	/* address of dynamic string table */
711} Elf64_Note_Image_Entry;
712
713/* NT_THREADS:
714 * uint32 count;
715 * uint32 entrySize;
716 * uint32 cpuStateSize;
717 * {Elf32_Note_Thread_Entry, uint8[cpuStateSize] cpuState}[count];
718 * char[] names
719 */
720typedef struct {
721	int32		nth_id;				/* thread ID */
722	int32		nth_state;			/* thread state (B_THREAD_RUNNING, ...) */
723	int32		nth_priority;		/* thread priority */
724	uint32		nth_stack_base;		/* thread stack base address */
725	uint32		nth_stack_end;		/* thread stack end address */
726} Elf32_Note_Thread_Entry;
727
728/* NT_THREADS:
729 * uint32 count;
730 * uint32 entrySize;
731 * uint32 cpuStateSize;
732 * {Elf64_Note_Thread_Entry, uint8[cpuStateSize] cpuState}[count];
733 * char[] names
734 */
735typedef struct {
736	int32		nth_id;				/* thread ID */
737	int32		nth_state;			/* thread state (B_THREAD_RUNNING, ...) */
738	int32		nth_priority;		/* thread priority */
739	uint32		nth_pad1;
740	uint64		nth_stack_base;		/* thread stack base address */
741	uint64		nth_stack_end;		/* thread stack end address */
742} Elf64_Note_Thread_Entry;
743
744/* NT_SYMBOLS:
745 * int32 imageId;
746 * uint32 symbolCount;
747 * uint32 entrySize;
748 * Elf{32,64}_Sym[count];
749 * char[] strings
750 */
751
752
753/*** inline functions ***/
754
755#ifdef __cplusplus
756
757inline bool
758Elf32_Ehdr::IsHostEndian() const
759{
760#if B_HOST_IS_LENDIAN
761	return e_ident[EI_DATA] == ELFDATA2LSB;
762#elif B_HOST_IS_BENDIAN
763	return e_ident[EI_DATA] == ELFDATA2MSB;
764#endif
765}
766
767
768inline bool
769Elf64_Ehdr::IsHostEndian() const
770{
771#if B_HOST_IS_LENDIAN
772	return e_ident[EI_DATA] == ELFDATA2LSB;
773#elif B_HOST_IS_BENDIAN
774	return e_ident[EI_DATA] == ELFDATA2MSB;
775#endif
776}
777
778
779inline bool
780Elf32_Phdr::IsReadWrite() const
781{
782	return !(~p_flags & (PF_READ | PF_WRITE));
783}
784
785
786inline bool
787Elf32_Phdr::IsExecutable() const
788{
789	return (p_flags & PF_EXECUTE) != 0;
790}
791
792
793inline bool
794Elf64_Phdr::IsReadWrite() const
795{
796	return !(~p_flags & (PF_READ | PF_WRITE));
797}
798
799
800inline bool
801Elf64_Phdr::IsExecutable() const
802{
803	return (p_flags & PF_EXECUTE) != 0;
804}
805
806
807inline uint8
808Elf32_Sym::Bind() const
809{
810	return ELF32_ST_BIND(st_info);
811}
812
813
814inline uint8
815Elf32_Sym::Type() const
816{
817	return ELF32_ST_TYPE(st_info);
818}
819
820
821inline void
822Elf32_Sym::SetInfo(uint8 bind, uint8 type)
823{
824	st_info = ELF32_ST_INFO(bind, type);
825}
826
827
828inline uint8
829Elf64_Sym::Bind() const
830{
831	return ELF64_ST_BIND(st_info);
832}
833
834
835inline uint8
836Elf64_Sym::Type() const
837{
838	return ELF64_ST_TYPE(st_info);
839}
840
841
842inline void
843Elf64_Sym::SetInfo(uint8 bind, uint8 type)
844{
845	st_info = ELF64_ST_INFO(bind, type);
846}
847
848
849inline uint8
850Elf32_Rel::SymbolIndex() const
851{
852	return ELF32_R_SYM(r_info);
853}
854
855
856inline uint8
857Elf32_Rel::Type() const
858{
859	return ELF32_R_TYPE(r_info);
860}
861
862
863inline uint8
864Elf64_Rel::SymbolIndex() const
865{
866	return ELF64_R_SYM(r_info);
867}
868
869
870inline uint8
871Elf64_Rel::Type() const
872{
873	return ELF64_R_TYPE(r_info);
874}
875
876#endif	/* __cplusplus */
877
878
879#endif	/* _ELF_H */
880