1/*	$NetBSD: exec_elf.h,v 1.5 2008/04/28 20:23:15 martin Exp $	*/
2
3/*-
4 * Copyright (c) 1994 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LIBTOS_EXEC_ELF_H_
33#define	_LIBTOS_EXEC_ELF_H_
34
35/*
36 * The current ELF ABI specification is available at:
37 *	http://www.sco.com/developer/gabi/
38 *
39 * Current header definitions are in:
40 *	http://www.sco.com/developer/gabi/latest/ch4.eheader.html
41 */
42
43/*
44 * Leo 10/10/2001:
45 *   This is a copy of the file in sys/sys, but modified a bit to
46 *   be used in a TOS/MiNT environment. I will probably trim it down
47 *   in the near future. It is only used for loading kernels.
48 */
49#ifdef TOSTOOLS
50typedef	signed char		 __int8_t;
51typedef	unsigned char		__uint8_t;
52typedef	short int		__int16_t;
53typedef	unsigned short int     __uint16_t;
54typedef	int			__int32_t;
55typedef	unsigned int	       __uint32_t;
56typedef	long long int		__int64_t;
57typedef	unsigned long long int __uint64_t;
58#else
59#include <machine/int_types.h>
60#endif /* TOSTOOLS */
61
62typedef	__uint8_t  	Elf_Byte;
63
64typedef	__uint32_t	Elf32_Addr;
65#define	ELF32_FSZ_ADDR	4
66typedef	__uint32_t Elf32_Off;
67#define	ELF32_FSZ_OFF	4
68typedef	__int32_t   Elf32_Sword;
69#define	ELF32_FSZ_SWORD	4
70typedef	__uint32_t Elf32_Word;
71#define	ELF32_FSZ_WORD	4
72typedef	__uint16_t Elf32_Half;
73#define	ELF32_FSZ_HALF	2
74
75typedef	__uint64_t	Elf64_Addr;
76#define	ELF64_FSZ_ADDR	8
77typedef	__uint64_t	Elf64_Off;
78#define	ELF64_FSZ_OFF	8
79typedef	__int32_t	Elf64_Shalf;
80#define	ELF64_FSZ_SHALF	4
81
82#ifdef __alpha__
83typedef	__int64_t	Elf64_Sword;
84#define	ELF64_FSZ_SWORD	8
85typedef	__uint64_t	Elf64_Word;
86#define	ELF64_FSZ_WORD	8
87#else
88typedef	__int32_t	Elf64_Sword;
89#define	ELF64_FSZ_SWORD	4
90typedef	__uint32_t	Elf64_Word;
91#define	ELF64_FSZ_WORD	4
92#endif /* __alpha__ */
93
94typedef	__int64_t	Elf64_Sxword;
95#define	ELF64_FSZ_XWORD	8
96typedef	__uint64_t	Elf64_Xword;
97#define	ELF64_FSZ_XWORD	8
98typedef	__uint16_t	Elf64_Half;
99#define	ELF64_FSZ_HALF 2
100
101/*
102 * ELF Header
103 */
104#define	ELF_NIDENT	16
105
106typedef struct {
107	unsigned char	e_ident[ELF_NIDENT];	/* Id bytes */
108	Elf32_Half	e_type;			/* file type */
109	Elf32_Half	e_machine;		/* machine type */
110	Elf32_Word	e_version;		/* version number */
111	Elf32_Addr	e_entry;		/* entry point */
112	Elf32_Off	e_phoff;		/* Program hdr offset */
113	Elf32_Off	e_shoff;		/* Section hdr offset */
114	Elf32_Word	e_flags;		/* Processor flags */
115	Elf32_Half      e_ehsize;		/* sizeof ehdr */
116	Elf32_Half      e_phentsize;		/* Program header entry size */
117	Elf32_Half      e_phnum;		/* Number of program headers */
118	Elf32_Half      e_shentsize;		/* Section header entry size */
119	Elf32_Half      e_shnum;		/* Number of section headers */
120	Elf32_Half      e_shstrndx;		/* String table index */
121} Elf32_Ehdr;
122
123/* e_ident offsets */
124#define	EI_MAG0		0	/* '\177' */
125#define	EI_MAG1		1	/* 'E'    */
126#define	EI_MAG2		2	/* 'L'    */
127#define	EI_MAG3		3	/* 'F'    */
128#define	EI_CLASS	4	/* File class */
129#define	EI_DATA		5	/* Data encoding */
130#define	EI_VERSION	6	/* File version */
131#define	EI_OSABI	7	/* Operating system/ABI identification */
132#define	EI_ABIVERSION	8	/* ABI version */
133#define	EI_PAD		9	/* Start of padding bytes up to EI_NIDENT*/
134
135/* e_ident[ELFMAG0,ELFMAG3] */
136#define	ELFMAG0		0x7f
137#define	ELFMAG1		'E'
138#define	ELFMAG2		'L'
139#define	ELFMAG3		'F'
140#define	ELFMAG		"\177ELF"
141#define	SELFMAG		4
142
143/* e_ident[EI_CLASS] */
144#define	ELFCLASSNONE	0	/* Invalid class */
145#define	ELFCLASS32	1	/* 32-bit objects */
146#define	ELFCLASS64	2	/* 64-bit objects */
147#define	ELFCLASSNUM	3
148
149/* e_ident[EI_DATA] */
150#define	ELFDATANONE	0	/* Invalid data encoding */
151#define	ELFDATA2LSB	1	/* 2's complement values, LSB first */
152#define	ELFDATA2MSB	2	/* 2's complement values, MSB first */
153
154/* e_ident[EI_VERSION] */
155#define	EV_NONE		0	/* Invalid version */
156#define	EV_CURRENT	1	/* Current version */
157#define	EV_NUM		2
158
159/* e_ident[EI_OSABI] */
160#define	ELFOSABI_SYSV		0	/* UNIX System V ABI */
161#define	ELFOSABI_HPUX		1	/* HP-UX operating system */
162#define ELFOSABI_NETBSD		2	/* NetBSD */
163#define ELFOSABI_LINUX		3	/* GNU/Linux */
164#define ELFOSABI_HURD		4	/* GNU/Hurd */
165#define ELFOSABI_86OPEN		5	/* 86Open */
166#define ELFOSABI_SOLARIS	6	/* Solaris */
167#define ELFOSABI_MONTEREY	7	/* Monterey */
168#define ELFOSABI_IRIX		8	/* IRIX */
169#define ELFOSABI_FREEBSD	9	/* FreeBSD */
170#define ELFOSABI_TRU64		10	/* TRU64 UNIX */
171#define ELFOSABI_MODESTO	11	/* Novell Modesto */
172#define ELFOSABI_OPENBSD	12	/* OpenBSD */
173/* Unofficial OSABIs follow */
174#define ELFOSABI_ARM		97	/* ARM */
175#define	ELFOSABI_STANDALONE	255	/* Standalone (embedded) application */
176
177/* e_type */
178#define	ET_NONE		0	/* No file type */
179#define	ET_REL		1	/* Relocatable file */
180#define	ET_EXEC		2	/* Executable file */
181#define	ET_DYN		3	/* Shared object file */
182#define	ET_CORE		4	/* Core file */
183#define	ET_NUM		5
184
185#define	ET_LOOS		0xfe00	/* Operating system specific range */
186#define	ET_HIOS		0xfeff
187#define	ET_LOPROC	0xff00	/* Processor-specific range */
188#define	ET_HIPROC	0xffff
189
190/* e_machine */
191#define	EM_NONE		0	/* No machine */
192#define	EM_M32		1	/* AT&T WE 32100 */
193#define	EM_SPARC	2	/* SPARC */
194#define	EM_386		3	/* Intel 80386 */
195#define	EM_68K		4	/* Motorola 68000 */
196#define	EM_88K		5	/* Motorola 88000 */
197#define	EM_486		6	/* Intel 80486 */
198#define	EM_860		7	/* Intel 80860 */
199#define	EM_MIPS		8	/* MIPS I Architecture */
200#define	EM_S370		9	/* Amdahl UTS on System/370 */
201#define	EM_MIPS_RS3_LE	10	/* MIPS RS3000 Little-endian */
202			/* 11-14 - Reserved */
203#define	EM_RS6000	11	/* IBM RS/6000 XXX reserved */
204#define	EM_PARISC	15	/* Hewlett-Packard PA-RISC */
205#define	EM_NCUBE	16	/* NCube XXX reserved */
206#define	EM_VPP500	17	/* Fujitsu VPP500 */
207#define	EM_SPARC32PLUS	18	/* Enhanced instruction set SPARC */
208#define	EM_960		19	/* Intel 80960 */
209#define	EM_PPC		20	/* PowerPC */
210#define	EM_PPC64	21	/* 64-bit PowerPC */
211			/* 22-35 - Reserved */
212#define	EM_V800		36	/* NEC V800 */
213#define	EM_FR20		37	/* Fujitsu FR20 */
214#define	EM_RH32		38	/* TRW RH-32 */
215#define	EM_RCE		39	/* Motorola RCE */
216#define	EM_ARM		40	/* Advanced RISC Machines ARM */
217#define	EM_ALPHA	41	/* DIGITAL Alpha */
218#define	EM_SH		42	/* Hitachi Super-H */
219#define	EM_SPARCV9	43	/* SPARC Version 9 */
220#define	EM_TRICORE	44	/* Siemens Tricore */
221#define	EM_ARC		45	/* Argonaut RISC Core */
222#define	EM_H8_300	46	/* Hitachi H8/300 */
223#define	EM_H8_300H	47	/* Hitachi H8/300H */
224#define	EM_H8S		48	/* Hitachi H8S */
225#define	EM_H8_500	49	/* Hitachi H8/500 */
226#define	EM_IA_64	50	/* Intel Merced Processor */
227#define	EM_MIPS_X	51	/* Stanford MIPS-X */
228#define	EM_COLDFIRE	52	/* Motorola Coldfire */
229#define	EM_68HC12	53	/* Motorola MC68HC12 */
230#define	EM_MMA		54	/* Fujitsu MMA Multimedia Accelerator */
231#define	EM_PCP		55	/* Siemens PCP */
232#define	EM_NCPU		56	/* Sony nCPU embedded RISC processor */
233#define	EM_NDR1		57	/* Denso NDR1 microprocessor */
234#define	EM_STARCORE	58	/* Motorola Star*Core processor */
235#define	EM_ME16		59	/* Toyota ME16 processor */
236#define	EM_ST100	60	/* STMicroelectronics ST100 processor */
237#define	EM_TINYJ	61	/* Advanced Logic Corp. TinyJ embedded family processor */
238#define	EM_X86_64	62	/* AMD x86-64 architecture */
239#define	EM_PDSP		63	/* Sony DSP Processor */
240			/* 64-65 - Reserved */
241#define	EM_FX66		66	/* Siemens FX66 microcontroller */
242#define	EM_ST9PLUS	67	/* STMicroelectronics ST9+ 8/16 bit microcontroller */
243#define	EM_ST7		68	/* STMicroelectronics ST7 8-bit microcontroller */
244#define	EM_68HC16	69	/* Motorola MC68HC16 Microcontroller */
245#define	EM_68HC11	70	/* Motorola MC68HC11 Microcontroller */
246#define	EM_68HC08	71	/* Motorola MC68HC08 Microcontroller */
247#define	EM_68HC05	72	/* Motorola MC68HC05 Microcontroller */
248#define	EM_SVX		73	/* Silicon Graphics SVx */
249#define	EM_ST19		74	/* STMicroelectronics ST19 8-bit CPU */
250#define	EM_VAX		75	/* Digital VAX */
251#define	EM_CRIS		76	/* Axis Communications 32-bit embedded processor */
252#define	EM_JAVELIN	77	/* Infineon Technologies 32-bit embedded CPU */
253#define	EM_FIREPATH	78	/* Element 14 64-bit DSP processor */
254#define	EM_ZSP		79	/* LSI Logic's 16-bit DSP processor */
255#define	EM_MMIX		80	/* Donald Knuth's educational 64-bit processor */
256#define	EM_HUANY	81	/* Harvard's machine-independent format */
257#define	EM_PRISM	82	/* SiTera Prism */
258#define	EM_AVR		83	/* Atmel AVR 8-bit microcontroller */
259#define	EM_FR30		84	/* Fujitsu FR30 */
260#define	EM_D10V		85	/* Mitsubishi D10V */
261#define	EM_D30V		86	/* Mitsubishi D30V */
262#define	EM_V850		87	/* NEC v850 */
263#define	EM_M32R		88	/* Mitsubishi M32R */
264#define	EM_MN10300	89	/* Matsushita MN10300 */
265#define	EM_MN10200	90	/* Matsushita MN10200 */
266#define	EM_PJ		91	/* picoJava */
267#define	EM_OPENRISC	92	/* OpenRISC 32-bit embedded processor */
268#define	EM_ARC_A5	93	/* ARC Cores Tangent-A5 */
269#define	EM_XTENSA	94	/* Tensilica Xtensa Architecture */
270/* Unofficial machine types follow */
271#define	EM_ALPHA_EXP	36902	/* used by NetBSD/alpha; obsolete */
272#define	EM_NUM		36903
273
274/*
275 * Program Header
276 */
277typedef struct {
278	Elf32_Word	p_type;		/* entry type */
279	Elf32_Off	p_offset;	/* offset */
280	Elf32_Addr	p_vaddr;	/* virtual address */
281	Elf32_Addr	p_paddr;	/* physical address */
282	Elf32_Word	p_filesz;	/* file size */
283	Elf32_Word	p_memsz;	/* memory size */
284	Elf32_Word	p_flags;	/* flags */
285	Elf32_Word	p_align;	/* memory & file alignment */
286} Elf32_Phdr;
287
288/* p_type */
289#define	PT_NULL		0		/* Program header table entry unused */
290#define	PT_LOAD		1		/* Loadable program segment */
291#define	PT_DYNAMIC	2		/* Dynamic linking information */
292#define	PT_INTERP	3		/* Program interpreter */
293#define	PT_NOTE		4		/* Auxiliary information */
294#define	PT_SHLIB	5		/* Reserved, unspecified semantics */
295#define	PT_PHDR		6		/* Entry for header table itself */
296#define	PT_NUM		7
297
298/* p_flags */
299#define	PF_R		0x4	/* Segment is readable */
300#define	PF_W		0x2	/* Segment is writable */
301#define	PF_X		0x1	/* Segment is executable */
302
303#define	PF_MASKOS	0x0ff00000	/* Opersting system specific values */
304#define	PF_MASKPROC	0xf0000000	/* Processor-specific values */
305
306#define	PT_LOPROC	0x70000000	/* Processor-specific range */
307#define	PT_HIPROC	0x7fffffff
308
309#define	PT_MIPS_REGINFO	0x70000000
310
311/*
312 * Section Headers
313 */
314typedef struct {
315	Elf32_Word	sh_name;	/* section name (.shstrtab index) */
316	Elf32_Word	sh_type;	/* section type */
317	Elf32_Word	sh_flags;	/* section flags */
318	Elf32_Addr	sh_addr;	/* virtual address */
319	Elf32_Off	sh_offset;	/* file offset */
320	Elf32_Word	sh_size;	/* section size */
321	Elf32_Word	sh_link;	/* link to another */
322	Elf32_Word	sh_info;	/* misc info */
323	Elf32_Word	sh_addralign;	/* memory alignment */
324	Elf32_Word	sh_entsize;	/* table entry size */
325} Elf32_Shdr;
326
327/* sh_type */
328#define	SHT_NULL	0		/* Section header table entry unused */
329#define	SHT_PROGBITS	1		/* Program information */
330#define	SHT_SYMTAB	2		/* Symbol table */
331#define	SHT_STRTAB	3		/* String table */
332#define	SHT_RELA	4		/* Relocation information w/ addend */
333#define	SHT_HASH	5		/* Symbol hash table */
334#define	SHT_DYNAMIC	6		/* Dynamic linking information */
335#define	SHT_NOTE	7		/* Auxiliary information */
336#define	SHT_NOBITS	8		/* No space allocated in file image */
337#define	SHT_REL		9		/* Relocation information w/o addend */
338#define	SHT_SHLIB	10		/* Reserved, unspecified semantics */
339#define	SHT_DYNSYM	11		/* Symbol table for dynamic linker */
340#define	SHT_NUM		12
341
342#define	SHT_LOOS	0x60000000	/* Operating system specific range */
343#define	SHT_HIOS	0x6fffffff
344#define	SHT_LOPROC	0x70000000	/* Processor-specific range */
345#define	SHT_HIPROC	0x7fffffff
346#define	SHT_LOUSER	0x80000000	/* Application-specific range */
347#define	SHT_HIUSER	0xffffffff
348
349/* sh_flags */
350#define	SHF_WRITE	0x1		/* Section contains writable data */
351#define	SHF_ALLOC	0x2		/* Section occupies memory */
352#define	SHF_EXECINSTR	0x4		/* Section contains executable insns */
353
354#define	SHF_MASKOS	0x0f000000	/* Operating system specific values */
355#define	SHF_MASKPROC	0xf0000000	/* Processor-specific values */
356
357/*
358 * Symbol Table
359 */
360typedef struct {
361	Elf32_Word	st_name;	/* Symbol name (.symtab index) */
362	Elf32_Word	st_value;	/* value of symbol */
363	Elf32_Word	st_size;	/* size of symbol */
364	Elf_Byte	st_info;	/* type / binding attrs */
365	Elf_Byte	st_other;	/* unused */
366	Elf32_Half	st_shndx;	/* section index of symbol */
367} Elf32_Sym;
368
369/* Symbol Table index of the undefined symbol */
370#define	ELF_SYM_UNDEFINED	0
371
372/* st_info: Symbol Bindings */
373#define	STB_LOCAL		0	/* local symbol */
374#define	STB_GLOBAL		1	/* global symbol */
375#define	STB_WEAK		2	/* weakly defined global symbol */
376#define	STB_NUM			3
377
378#define	STB_LOOS		10	/* Operating system specific range */
379#define	STB_HIOS		12
380#define	STB_LOPROC		13	/* Processor-specific range */
381#define	STB_HIPROC		15
382
383/* st_info: Symbol Types */
384#define	STT_NOTYPE		0	/* Type not specified */
385#define	STT_OBJECT		1	/* Associated with a data object */
386#define	STT_FUNC		2	/* Associated with a function */
387#define	STT_SECTION		3	/* Associated with a section */
388#define	STT_FILE		4	/* Associated with a file name */
389#define	STT_NUM			5
390
391#define	STT_LOOS		10	/* Operating system specific range */
392#define	STT_HIOS		12
393#define	STT_LOPROC		13	/* Processor-specific range */
394#define	STT_HIPROC		15
395
396/* st_info utility macros */
397#define	ELF32_ST_BIND(info)		((Elf32_Word)(info) >> 4)
398#define	ELF32_ST_TYPE(info)		((Elf32_Word)(info) & 0xf)
399#define	ELF32_ST_INFO(bind,type)	((Elf_Byte)(((bind) << 4) | ((type) & 0xf)))
400
401/*
402 * Special section indexes
403 */
404#define	SHN_UNDEF	0		/* Undefined section */
405
406#define	SHN_LORESERVE	0xff00		/* Reserved range */
407#define	SHN_ABS		0xfff1		/*  Absolute symbols */
408#define	SHN_COMMON	0xfff2		/*  Common symbols */
409#define	SHN_HIRESERVE	0xffff
410
411#define	SHN_LOPROC	0xff00		/* Processor-specific range */
412#define	SHN_HIPROC	0xff1f
413#define	SHN_LOOS	0xff20		/* Operating system specific range */
414#define	SHN_HIOS	0xff3f
415
416#define	SHN_MIPS_ACOMMON 0xff00
417#define	SHN_MIPS_TEXT	0xff01
418#define	SHN_MIPS_DATA	0xff02
419#define	SHN_MIPS_SCOMMON 0xff03
420
421/*
422 * Relocation Entries
423 */
424typedef struct {
425	Elf32_Word	r_offset;	/* where to do it */
426	Elf32_Word	r_info;		/* index & type of relocation */
427} Elf32_Rel;
428
429typedef struct {
430	Elf32_Word	r_offset;	/* where to do it */
431	Elf32_Word	r_info;		/* index & type of relocation */
432	Elf32_Sword	r_addend;	/* adjustment value */
433} Elf32_Rela;
434
435/* r_info utility macros */
436#define	ELF32_R_SYM(info)	((info) >> 8)
437#define	ELF32_R_TYPE(info)	((info) & 0xff)
438#define	ELF32_R_INFO(sym, type)	(((sym) << 8) + (unsigned char)(type))
439
440/*
441 * Dynamic Section structure array
442 */
443typedef struct {
444	Elf32_Word	d_tag;		/* entry tag value */
445	union {
446	    Elf32_Addr	d_ptr;
447	    Elf32_Word	d_val;
448	} d_un;
449} Elf32_Dyn;
450
451/* d_tag */
452#define	DT_NULL		0	/* Marks end of dynamic array */
453#define	DT_NEEDED	1	/* Name of needed library (DT_STRTAB offset) */
454#define	DT_PLTRELSZ	2	/* Size, in bytes, of relocations in PLT */
455#define	DT_PLTGOT	3	/* Address of PLT and/or GOT */
456#define	DT_HASH		4	/* Address of symbol hash table */
457#define	DT_STRTAB	5	/* Address of string table */
458#define	DT_SYMTAB	6	/* Address of symbol table */
459#define	DT_RELA		7	/* Address of Rela relocation table */
460#define	DT_RELASZ	8	/* Size, in bytes, of DT_RELA table */
461#define	DT_RELAENT	9	/* Size, in bytes, of one DT_RELA entry */
462#define	DT_STRSZ	10	/* Size, in bytes, of DT_STRTAB table */
463#define	DT_SYMENT	11	/* Size, in bytes, of one DT_SYMTAB entry */
464#define	DT_INIT		12	/* Address of initialization function */
465#define	DT_FINI		13	/* Address of termination function */
466#define	DT_SONAME	14	/* Shared object name (DT_STRTAB offset) */
467#define	DT_RPATH	15	/* Library search path (DT_STRTAB offset) */
468#define	DT_SYMBOLIC	16	/* Start symbol search within local object */
469#define	DT_REL		17	/* Address of Rel relocation table */
470#define	DT_RELSZ	18	/* Size, in bytes, of DT_REL table */
471#define	DT_RELENT	19	/* Size, in bytes, of one DT_REL entry */
472#define	DT_PLTREL	20 	/* Type of PLT relocation entries */
473#define	DT_DEBUG	21	/* Used for debugging; unspecified */
474#define	DT_TEXTREL	22	/* Relocations might modify non-writable seg */
475#define	DT_JMPREL	23	/* Address of relocations associated with PLT */
476#define	DT_BIND_NOW	24	/* Process all relocations at load-time */
477#define	DT_INIT_ARRAY	25	/* Address of initialization function array */
478#define	DT_FINI_ARRAY	26	/* Size, in bytes, of DT_INIT_ARRAY array */
479#define	DT_INIT_ARRAYSZ	27	/* Address of termination function array */
480#define	DT_FINI_ARRAYSZ	28	/* Size, in bytes, of DT_FINI_ARRAY array*/
481#define	DT_NUM		29
482
483#define	DT_LOOS		0x60000000	/* Operating system specific range */
484#define	DT_HIOS		0x6fffffff
485#define	DT_LOPROC	0x70000000	/* Processor-specific range */
486#define	DT_HIPROC	0x7fffffff
487
488/*
489 * Auxiliary Vectors
490 */
491typedef struct {
492	Elf32_Word	a_type;				/* 32-bit id */
493	Elf32_Word	a_v;				/* 32-bit id */
494} Aux32Info;
495
496/* a_type */
497#define	AT_NULL		0	/* Marks end of array */
498#define	AT_IGNORE	1	/* No meaning, a_un is undefined */
499#define	AT_EXECFD	2	/* Open file descriptor of object file */
500#define	AT_PHDR		3	/* &phdr[0] */
501#define	AT_PHENT	4	/* sizeof(phdr[0]) */
502#define	AT_PHNUM	5	/* # phdr entries */
503#define	AT_PAGESZ	6	/* PAGESIZE */
504#define	AT_BASE		7	/* Interpreter base addr */
505#define	AT_FLAGS	8	/* Processor flags */
506#define	AT_ENTRY	9	/* Entry address of executable */
507#define	AT_DCACHEBSIZE	10	/* Data cache block size */
508#define	AT_ICACHEBSIZE	11	/* Instruction cache block size */
509#define	AT_UCACHEBSIZE	12	/* Unified cache block size */
510
511	/* Vendor specific */
512#define	AT_MIPS_NOTELF	10	/* XXX a_val != 0 -> MIPS XCOFF executable */
513
514#define	AT_SUN_UID	2000	/* euid */
515#define	AT_SUN_RUID	2001	/* ruid */
516#define	AT_SUN_GID	2002	/* egid */
517#define	AT_SUN_RGID	2003	/* rgid */
518
519	/* Solaris kernel specific */
520#define	AT_SUN_LDELF	2004	/* dynamic linker's ELF header */
521#define	AT_SUN_LDSHDR	2005	/* dynamic linker's section header */
522#define	AT_SUN_LDNAME	2006	/* dynamic linker's name */
523#define	AT_SUN_LPGSIZE	2007	/* large pagesize */
524
525	/* Other information */
526#define	AT_SUN_PLATFORM	2008	/* sysinfo(SI_PLATFORM) */
527#define	AT_SUN_HWCAP	2009	/* process hardware capabilities */
528#define	AT_SUN_IFLUSH	2010	/* do we need to flush the instruction cache? */
529#define	AT_SUN_CPU	2011	/* CPU name */
530	/* ibcs2 emulation band aid */
531#define	AT_SUN_EMUL_ENTRY 2012	/* coff entry point */
532#define	AT_SUN_EMUL_EXECFD 2013	/* coff file descriptor */
533	/* Executable's fully resolved name */
534#define	AT_SUN_EXECNAME	2014
535
536/*
537 * Note Headers
538 */
539typedef struct {
540	Elf32_Word n_namesz;
541	Elf32_Word n_descsz;
542	Elf32_Word n_type;
543} Elf32_Nhdr;
544
545#define	ELF_NOTE_TYPE_ABI_TAG		1
546
547/* GNU-specific note name and description sizes */
548#define	ELF_NOTE_ABI_NAMESZ		4
549#define	ELF_NOTE_ABI_DESCSZ		16
550/* GNU-specific note name */
551#define	ELF_NOTE_ABI_NAME		"GNU\0"
552
553/* GNU-specific OS/version value stuff */
554#define	ELF_NOTE_ABI_OS_LINUX		0
555#define	ELF_NOTE_ABI_OS_HURD		1
556#define	ELF_NOTE_ABI_OS_SOLARIS		2
557
558/* NetBSD-specific note type: Emulation name.  desc is emul name string. */
559#define	ELF_NOTE_TYPE_NETBSD_TAG	1
560
561/* NetBSD-specific note name and description sizes */
562#define	ELF_NOTE_NETBSD_NAMESZ		7
563#define	ELF_NOTE_NETBSD_DESCSZ		4
564/* NetBSD-specific note name */
565#define	ELF_NOTE_NETBSD_NAME		"NetBSD\0\0"
566
567#if defined(ELFSIZE)
568#define	CONCAT(x,y)	__CONCAT(x,y)
569#define	ELFNAME(x)	CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
570#define	ELFNAME2(x,y)	CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
571#define	ELFNAMEEND(x)	CONCAT(x,CONCAT(_elf,ELFSIZE))
572#define	ELFDEFNNAME(x)	CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
573#endif
574
575/*
576 * Leo: This is actually from machine/elf_machdep.h
577 */
578#define	ELF32_MACHDEP_ENDIANNESS	ELFDATA2MSB
579#define	ELF32_MACHDEP_ID_CASES						\
580		case EM_68K:						\
581			break;
582
583#define	ELF64_MACHDEP_ENDIANNESS	XXX	/* break compilation */
584#define	ELF64_MACHDEP_ID_CASES						\
585		/* no 64-bit ELF machine types supported */
586
587#define ARCH_ELFSIZE		32	/* MD native binary size */
588
589/* m68k relocation types */
590#define	R_68K_NONE	0
591#define	R_68K_32	1
592#define	R_68K_16	2
593#define	R_68K_8		3
594#define	R_68K_PC32	4
595#define	R_68K_PC16	5
596#define	R_68K_PC8	6
597#define	R_68K_GOT32	7
598#define	R_68K_GOT16	8
599#define	R_68K_GOT8	9
600#define	R_68K_GOT32O	10
601#define	R_68K_GOT16O	11
602#define	R_68K_GOT8O	12
603#define	R_68K_PLT32	13
604#define	R_68K_PLT16	14
605#define	R_68K_PLT8	15
606#define	R_68K_PLT32O	16
607#define	R_68K_PLT16O	17
608#define	R_68K_PLT8O	18
609#define	R_68K_COPY	19
610#define	R_68K_GLOB_DAT	20
611#define	R_68K_JMP_SLOT	21
612#define	R_68K_RELATIVE	22
613
614#define	R_TYPE(name)	__CONCAT(R_68K_,name)
615
616#define	Elf_Ehdr	Elf32_Ehdr
617#define	Elf_Phdr	Elf32_Phdr
618#define	Elf_Shdr	Elf32_Shdr
619#define	Elf_Sym		Elf32_Sym
620#define	Elf_Rel		Elf32_Rel
621#define	Elf_Rela	Elf32_Rela
622#define	Elf_Dyn		Elf32_Dyn
623#define	Elf_Word	Elf32_Word
624#define	Elf_Sword	Elf32_Sword
625#define	Elf_Addr	Elf32_Addr
626#define	Elf_Off		Elf32_Off
627#define	Elf_Nhdr	Elf32_Nhdr
628
629#define	ELF_R_SYM	ELF32_R_SYM
630#define	ELF_R_TYPE	ELF32_R_TYPE
631#define	ELFCLASS	ELFCLASS32
632
633#define	ELF_ST_BIND	ELF32_ST_BIND
634#define	ELF_ST_TYPE	ELF32_ST_TYPE
635#define	ELF_ST_INFO	ELF32_ST_INFO
636
637#define	AuxInfo		Aux32Info
638
639#ifdef _KERNEL
640
641#define ELF_AUX_ENTRIES	8		/* Size of aux array passed to loader */
642#define ELF32_NO_ADDR	(~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
643#define ELF64_NO_ADDR	(~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
644
645#if defined(ELFSIZE) && (ELFSIZE == 64)
646#define ELF_NO_ADDR	ELF64_NO_ADDR
647#elif defined(ELFSIZE) && (ELFSIZE == 32)
648#define ELF_NO_ADDR	ELF32_NO_ADDR
649#endif
650
651#if defined(ELFSIZE)
652struct elf_args {
653        Elf_Addr  arg_entry;      /* program entry point */
654        Elf_Addr  arg_interp;     /* Interpreter load address */
655        Elf_Addr  arg_phaddr;     /* program header address */
656        Elf_Addr  arg_phentsize;  /* Size of program header */
657        Elf_Addr  arg_phnum;      /* Number of program headers */
658};
659#endif
660
661#endif /* _KERNEL */
662
663#endif /* !_LIBTOS_EXEC_ELF_H_ */
664