exec_elf.h revision 1.6.22.1 1 /* $NetBSD: exec_elf.h,v 1.6.22.1 2014/05/18 17:45:00 rmind 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
50 typedef signed char __int8_t;
51 typedef unsigned char __uint8_t;
52 typedef short int __int16_t;
53 typedef unsigned short int __uint16_t;
54 typedef int __int32_t;
55 typedef unsigned int __uint32_t;
56 typedef long long int __int64_t;
57 typedef unsigned long long int __uint64_t;
58 #else
59 #include <machine/int_types.h>
60 #endif /* TOSTOOLS */
61
62 typedef __uint8_t Elf_Byte;
63
64 typedef __uint32_t Elf32_Addr;
65 #define ELF32_FSZ_ADDR 4
66 typedef __uint32_t Elf32_Off;
67 #define ELF32_FSZ_OFF 4
68 typedef __int32_t Elf32_Sword;
69 #define ELF32_FSZ_SWORD 4
70 typedef __uint32_t Elf32_Word;
71 #define ELF32_FSZ_WORD 4
72 typedef __uint16_t Elf32_Half;
73 #define ELF32_FSZ_HALF 2
74
75 typedef __uint64_t Elf64_Addr;
76 #define ELF64_FSZ_ADDR 8
77 typedef __uint64_t Elf64_Off;
78 #define ELF64_FSZ_OFF 8
79
80 #ifdef __alpha__
81 typedef __int64_t Elf64_Sword;
82 #define ELF64_FSZ_SWORD 8
83 typedef __uint64_t Elf64_Word;
84 #define ELF64_FSZ_WORD 8
85 #else
86 typedef __int32_t Elf64_Sword;
87 #define ELF64_FSZ_SWORD 4
88 typedef __uint32_t Elf64_Word;
89 #define ELF64_FSZ_WORD 4
90 #endif /* __alpha__ */
91
92 typedef __int64_t Elf64_Sxword;
93 #define ELF64_FSZ_XWORD 8
94 typedef __uint64_t Elf64_Xword;
95 #define ELF64_FSZ_XWORD 8
96 typedef __uint16_t Elf64_Half;
97 #define ELF64_FSZ_HALF 2
98
99 /*
100 * ELF Header
101 */
102 #define ELF_NIDENT 16
103
104 typedef struct {
105 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
106 Elf32_Half e_type; /* file type */
107 Elf32_Half e_machine; /* machine type */
108 Elf32_Word e_version; /* version number */
109 Elf32_Addr e_entry; /* entry point */
110 Elf32_Off e_phoff; /* Program hdr offset */
111 Elf32_Off e_shoff; /* Section hdr offset */
112 Elf32_Word e_flags; /* Processor flags */
113 Elf32_Half e_ehsize; /* sizeof ehdr */
114 Elf32_Half e_phentsize; /* Program header entry size */
115 Elf32_Half e_phnum; /* Number of program headers */
116 Elf32_Half e_shentsize; /* Section header entry size */
117 Elf32_Half e_shnum; /* Number of section headers */
118 Elf32_Half e_shstrndx; /* String table index */
119 } Elf32_Ehdr;
120
121 /* e_ident offsets */
122 #define EI_MAG0 0 /* '\177' */
123 #define EI_MAG1 1 /* 'E' */
124 #define EI_MAG2 2 /* 'L' */
125 #define EI_MAG3 3 /* 'F' */
126 #define EI_CLASS 4 /* File class */
127 #define EI_DATA 5 /* Data encoding */
128 #define EI_VERSION 6 /* File version */
129 #define EI_OSABI 7 /* Operating system/ABI identification */
130 #define EI_ABIVERSION 8 /* ABI version */
131 #define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/
132
133 /* e_ident[ELFMAG0,ELFMAG3] */
134 #define ELFMAG0 0x7f
135 #define ELFMAG1 'E'
136 #define ELFMAG2 'L'
137 #define ELFMAG3 'F'
138 #define ELFMAG "\177ELF"
139 #define SELFMAG 4
140
141 /* e_ident[EI_CLASS] */
142 #define ELFCLASSNONE 0 /* Invalid class */
143 #define ELFCLASS32 1 /* 32-bit objects */
144 #define ELFCLASS64 2 /* 64-bit objects */
145 #define ELFCLASSNUM 3
146
147 /* e_ident[EI_DATA] */
148 #define ELFDATANONE 0 /* Invalid data encoding */
149 #define ELFDATA2LSB 1 /* 2's complement values, LSB first */
150 #define ELFDATA2MSB 2 /* 2's complement values, MSB first */
151
152 /* e_ident[EI_VERSION] */
153 #define EV_NONE 0 /* Invalid version */
154 #define EV_CURRENT 1 /* Current version */
155 #define EV_NUM 2
156
157 /* e_ident[EI_OSABI] */
158 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */
159 #define ELFOSABI_HPUX 1 /* HP-UX operating system */
160 #define ELFOSABI_NETBSD 2 /* NetBSD */
161 #define ELFOSABI_LINUX 3 /* GNU/Linux */
162 #define ELFOSABI_HURD 4 /* GNU/Hurd */
163 #define ELFOSABI_86OPEN 5 /* 86Open */
164 #define ELFOSABI_SOLARIS 6 /* Solaris */
165 #define ELFOSABI_MONTEREY 7 /* Monterey */
166 #define ELFOSABI_IRIX 8 /* IRIX */
167 #define ELFOSABI_FREEBSD 9 /* FreeBSD */
168 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */
169 #define ELFOSABI_MODESTO 11 /* Novell Modesto */
170 #define ELFOSABI_OPENBSD 12 /* OpenBSD */
171 /* Unofficial OSABIs follow */
172 #define ELFOSABI_ARM 97 /* ARM */
173 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
174
175 /* e_type */
176 #define ET_NONE 0 /* No file type */
177 #define ET_REL 1 /* Relocatable file */
178 #define ET_EXEC 2 /* Executable file */
179 #define ET_DYN 3 /* Shared object file */
180 #define ET_CORE 4 /* Core file */
181 #define ET_NUM 5
182
183 #define ET_LOOS 0xfe00 /* Operating system specific range */
184 #define ET_HIOS 0xfeff
185 #define ET_LOPROC 0xff00 /* Processor-specific range */
186 #define ET_HIPROC 0xffff
187
188 /* e_machine */
189 #define EM_NONE 0 /* No machine */
190 #define EM_M32 1 /* AT&T WE 32100 */
191 #define EM_SPARC 2 /* SPARC */
192 #define EM_386 3 /* Intel 80386 */
193 #define EM_68K 4 /* Motorola 68000 */
194 #define EM_88K 5 /* Motorola 88000 */
195 #define EM_486 6 /* Intel 80486 */
196 #define EM_860 7 /* Intel 80860 */
197 #define EM_MIPS 8 /* MIPS I Architecture */
198 #define EM_S370 9 /* Amdahl UTS on System/370 */
199 #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
200 /* 11-14 - Reserved */
201 #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */
202 #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
203 #define EM_NCUBE 16 /* NCube XXX reserved */
204 #define EM_VPP500 17 /* Fujitsu VPP500 */
205 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
206 #define EM_960 19 /* Intel 80960 */
207 #define EM_PPC 20 /* PowerPC */
208 #define EM_PPC64 21 /* 64-bit PowerPC */
209 /* 22-35 - Reserved */
210 #define EM_V800 36 /* NEC V800 */
211 #define EM_FR20 37 /* Fujitsu FR20 */
212 #define EM_RH32 38 /* TRW RH-32 */
213 #define EM_RCE 39 /* Motorola RCE */
214 #define EM_ARM 40 /* Advanced RISC Machines ARM */
215 #define EM_ALPHA 41 /* DIGITAL Alpha */
216 #define EM_SH 42 /* Hitachi Super-H */
217 #define EM_SPARCV9 43 /* SPARC Version 9 */
218 #define EM_TRICORE 44 /* Siemens Tricore */
219 #define EM_ARC 45 /* Argonaut RISC Core */
220 #define EM_H8_300 46 /* Hitachi H8/300 */
221 #define EM_H8_300H 47 /* Hitachi H8/300H */
222 #define EM_H8S 48 /* Hitachi H8S */
223 #define EM_H8_500 49 /* Hitachi H8/500 */
224 #define EM_IA_64 50 /* Intel Merced Processor */
225 #define EM_MIPS_X 51 /* Stanford MIPS-X */
226 #define EM_COLDFIRE 52 /* Motorola Coldfire */
227 #define EM_68HC12 53 /* Motorola MC68HC12 */
228 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
229 #define EM_PCP 55 /* Siemens PCP */
230 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
231 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
232 #define EM_STARCORE 58 /* Motorola Star*Core processor */
233 #define EM_ME16 59 /* Toyota ME16 processor */
234 #define EM_ST100 60 /* STMicroelectronics ST100 processor */
235 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */
236 #define EM_X86_64 62 /* AMD x86-64 architecture */
237 #define EM_PDSP 63 /* Sony DSP Processor */
238 /* 64-65 - Reserved */
239 #define EM_FX66 66 /* Siemens FX66 microcontroller */
240 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
241 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
242 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
243 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
244 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
245 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
246 #define EM_SVX 73 /* Silicon Graphics SVx */
247 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */
248 #define EM_VAX 75 /* Digital VAX */
249 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
250 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */
251 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
252 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
253 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
254 #define EM_HUANY 81 /* Harvard's machine-independent format */
255 #define EM_PRISM 82 /* SiTera Prism */
256 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
257 #define EM_FR30 84 /* Fujitsu FR30 */
258 #define EM_D10V 85 /* Mitsubishi D10V */
259 #define EM_D30V 86 /* Mitsubishi D30V */
260 #define EM_V850 87 /* NEC v850 */
261 #define EM_M32R 88 /* Mitsubishi M32R */
262 #define EM_MN10300 89 /* Matsushita MN10300 */
263 #define EM_MN10200 90 /* Matsushita MN10200 */
264 #define EM_PJ 91 /* picoJava */
265 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
266 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
267 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
268 /* Unofficial machine types follow */
269 #define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */
270 #define EM_NUM 36903
271
272 /*
273 * Program Header
274 */
275 typedef struct {
276 Elf32_Word p_type; /* entry type */
277 Elf32_Off p_offset; /* offset */
278 Elf32_Addr p_vaddr; /* virtual address */
279 Elf32_Addr p_paddr; /* physical address */
280 Elf32_Word p_filesz; /* file size */
281 Elf32_Word p_memsz; /* memory size */
282 Elf32_Word p_flags; /* flags */
283 Elf32_Word p_align; /* memory & file alignment */
284 } Elf32_Phdr;
285
286 /* p_type */
287 #define PT_NULL 0 /* Program header table entry unused */
288 #define PT_LOAD 1 /* Loadable program segment */
289 #define PT_DYNAMIC 2 /* Dynamic linking information */
290 #define PT_INTERP 3 /* Program interpreter */
291 #define PT_NOTE 4 /* Auxiliary information */
292 #define PT_SHLIB 5 /* Reserved, unspecified semantics */
293 #define PT_PHDR 6 /* Entry for header table itself */
294 #define PT_NUM 7
295
296 /* p_flags */
297 #define PF_R 0x4 /* Segment is readable */
298 #define PF_W 0x2 /* Segment is writable */
299 #define PF_X 0x1 /* Segment is executable */
300
301 #define PF_MASKOS 0x0ff00000 /* Opersting system specific values */
302 #define PF_MASKPROC 0xf0000000 /* Processor-specific values */
303
304 #define PT_LOPROC 0x70000000 /* Processor-specific range */
305 #define PT_HIPROC 0x7fffffff
306
307 #define PT_MIPS_REGINFO 0x70000000
308
309 /*
310 * Section Headers
311 */
312 typedef struct {
313 Elf32_Word sh_name; /* section name (.shstrtab index) */
314 Elf32_Word sh_type; /* section type */
315 Elf32_Word sh_flags; /* section flags */
316 Elf32_Addr sh_addr; /* virtual address */
317 Elf32_Off sh_offset; /* file offset */
318 Elf32_Word sh_size; /* section size */
319 Elf32_Word sh_link; /* link to another */
320 Elf32_Word sh_info; /* misc info */
321 Elf32_Word sh_addralign; /* memory alignment */
322 Elf32_Word sh_entsize; /* table entry size */
323 } Elf32_Shdr;
324
325 /* sh_type */
326 #define SHT_NULL 0 /* Section header table entry unused */
327 #define SHT_PROGBITS 1 /* Program information */
328 #define SHT_SYMTAB 2 /* Symbol table */
329 #define SHT_STRTAB 3 /* String table */
330 #define SHT_RELA 4 /* Relocation information w/ addend */
331 #define SHT_HASH 5 /* Symbol hash table */
332 #define SHT_DYNAMIC 6 /* Dynamic linking information */
333 #define SHT_NOTE 7 /* Auxiliary information */
334 #define SHT_NOBITS 8 /* No space allocated in file image */
335 #define SHT_REL 9 /* Relocation information w/o addend */
336 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
337 #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */
338 #define SHT_NUM 12
339
340 #define SHT_LOOS 0x60000000 /* Operating system specific range */
341 #define SHT_HIOS 0x6fffffff
342 #define SHT_LOPROC 0x70000000 /* Processor-specific range */
343 #define SHT_HIPROC 0x7fffffff
344 #define SHT_LOUSER 0x80000000 /* Application-specific range */
345 #define SHT_HIUSER 0xffffffff
346
347 /* sh_flags */
348 #define SHF_WRITE 0x1 /* Section contains writable data */
349 #define SHF_ALLOC 0x2 /* Section occupies memory */
350 #define SHF_EXECINSTR 0x4 /* Section contains executable insns */
351
352 #define SHF_MASKOS 0x0f000000 /* Operating system specific values */
353 #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
354
355 /*
356 * Symbol Table
357 */
358 typedef struct {
359 Elf32_Word st_name; /* Symbol name (.symtab index) */
360 Elf32_Word st_value; /* value of symbol */
361 Elf32_Word st_size; /* size of symbol */
362 Elf_Byte st_info; /* type / binding attrs */
363 Elf_Byte st_other; /* unused */
364 Elf32_Half st_shndx; /* section index of symbol */
365 } Elf32_Sym;
366
367 /* Symbol Table index of the undefined symbol */
368 #define ELF_SYM_UNDEFINED 0
369
370 /* st_info: Symbol Bindings */
371 #define STB_LOCAL 0 /* local symbol */
372 #define STB_GLOBAL 1 /* global symbol */
373 #define STB_WEAK 2 /* weakly defined global symbol */
374 #define STB_NUM 3
375
376 #define STB_LOOS 10 /* Operating system specific range */
377 #define STB_HIOS 12
378 #define STB_LOPROC 13 /* Processor-specific range */
379 #define STB_HIPROC 15
380
381 /* st_info: Symbol Types */
382 #define STT_NOTYPE 0 /* Type not specified */
383 #define STT_OBJECT 1 /* Associated with a data object */
384 #define STT_FUNC 2 /* Associated with a function */
385 #define STT_SECTION 3 /* Associated with a section */
386 #define STT_FILE 4 /* Associated with a file name */
387 #define STT_NUM 5
388
389 #define STT_LOOS 10 /* Operating system specific range */
390 #define STT_HIOS 12
391 #define STT_LOPROC 13 /* Processor-specific range */
392 #define STT_HIPROC 15
393
394 /* st_info utility macros */
395 #define ELF32_ST_BIND(info) ((Elf32_Word)(info) >> 4)
396 #define ELF32_ST_TYPE(info) ((Elf32_Word)(info) & 0xf)
397 #define ELF32_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf)))
398
399 /*
400 * Special section indexes
401 */
402 #define SHN_UNDEF 0 /* Undefined section */
403
404 #define SHN_LORESERVE 0xff00 /* Reserved range */
405 #define SHN_ABS 0xfff1 /* Absolute symbols */
406 #define SHN_COMMON 0xfff2 /* Common symbols */
407 #define SHN_HIRESERVE 0xffff
408
409 #define SHN_LOPROC 0xff00 /* Processor-specific range */
410 #define SHN_HIPROC 0xff1f
411 #define SHN_LOOS 0xff20 /* Operating system specific range */
412 #define SHN_HIOS 0xff3f
413
414 #define SHN_MIPS_ACOMMON 0xff00
415 #define SHN_MIPS_TEXT 0xff01
416 #define SHN_MIPS_DATA 0xff02
417 #define SHN_MIPS_SCOMMON 0xff03
418
419 /*
420 * Relocation Entries
421 */
422 typedef struct {
423 Elf32_Word r_offset; /* where to do it */
424 Elf32_Word r_info; /* index & type of relocation */
425 } Elf32_Rel;
426
427 typedef struct {
428 Elf32_Word r_offset; /* where to do it */
429 Elf32_Word r_info; /* index & type of relocation */
430 Elf32_Sword r_addend; /* adjustment value */
431 } Elf32_Rela;
432
433 /* r_info utility macros */
434 #define ELF32_R_SYM(info) ((info) >> 8)
435 #define ELF32_R_TYPE(info) ((info) & 0xff)
436 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
437
438 /*
439 * Dynamic Section structure array
440 */
441 typedef struct {
442 Elf32_Word d_tag; /* entry tag value */
443 union {
444 Elf32_Addr d_ptr;
445 Elf32_Word d_val;
446 } d_un;
447 } Elf32_Dyn;
448
449 /* d_tag */
450 #define DT_NULL 0 /* Marks end of dynamic array */
451 #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */
452 #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */
453 #define DT_PLTGOT 3 /* Address of PLT and/or GOT */
454 #define DT_HASH 4 /* Address of symbol hash table */
455 #define DT_STRTAB 5 /* Address of string table */
456 #define DT_SYMTAB 6 /* Address of symbol table */
457 #define DT_RELA 7 /* Address of Rela relocation table */
458 #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */
459 #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */
460 #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */
461 #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */
462 #define DT_INIT 12 /* Address of initialization function */
463 #define DT_FINI 13 /* Address of termination function */
464 #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */
465 #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */
466 #define DT_SYMBOLIC 16 /* Start symbol search within local object */
467 #define DT_REL 17 /* Address of Rel relocation table */
468 #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */
469 #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */
470 #define DT_PLTREL 20 /* Type of PLT relocation entries */
471 #define DT_DEBUG 21 /* Used for debugging; unspecified */
472 #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */
473 #define DT_JMPREL 23 /* Address of relocations associated with PLT */
474 #define DT_BIND_NOW 24 /* Process all relocations at load-time */
475 #define DT_INIT_ARRAY 25 /* Address of initialization function array */
476 #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */
477 #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */
478 #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/
479 #define DT_NUM 29
480
481 #define DT_LOOS 0x60000000 /* Operating system specific range */
482 #define DT_HIOS 0x6fffffff
483 #define DT_LOPROC 0x70000000 /* Processor-specific range */
484 #define DT_HIPROC 0x7fffffff
485
486 /*
487 * Auxiliary Vectors
488 */
489 typedef struct {
490 Elf32_Word a_type; /* 32-bit id */
491 Elf32_Word a_v; /* 32-bit id */
492 } Aux32Info;
493
494 /* a_type */
495 #define AT_NULL 0 /* Marks end of array */
496 #define AT_IGNORE 1 /* No meaning, a_un is undefined */
497 #define AT_EXECFD 2 /* Open file descriptor of object file */
498 #define AT_PHDR 3 /* &phdr[0] */
499 #define AT_PHENT 4 /* sizeof(phdr[0]) */
500 #define AT_PHNUM 5 /* # phdr entries */
501 #define AT_PAGESZ 6 /* PAGESIZE */
502 #define AT_BASE 7 /* Interpreter base addr */
503 #define AT_FLAGS 8 /* Processor flags */
504 #define AT_ENTRY 9 /* Entry address of executable */
505 #define AT_DCACHEBSIZE 10 /* Data cache block size */
506 #define AT_ICACHEBSIZE 11 /* Instruction cache block size */
507 #define AT_UCACHEBSIZE 12 /* Unified cache block size */
508
509 /* Vendor specific */
510 #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */
511
512 #define AT_SUN_UID 2000 /* euid */
513 #define AT_SUN_RUID 2001 /* ruid */
514 #define AT_SUN_GID 2002 /* egid */
515 #define AT_SUN_RGID 2003 /* rgid */
516
517 /* Solaris kernel specific */
518 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
519 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */
520 #define AT_SUN_LDNAME 2006 /* dynamic linker's name */
521 #define AT_SUN_LPGSIZE 2007 /* large pagesize */
522
523 /* Other information */
524 #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */
525 #define AT_SUN_HWCAP 2009 /* process hardware capabilities */
526 #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */
527 #define AT_SUN_CPU 2011 /* CPU name */
528 /* ibcs2 emulation band aid */
529 #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */
530 #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */
531 /* Executable's fully resolved name */
532 #define AT_SUN_EXECNAME 2014
533
534 /*
535 * Note Headers
536 */
537 typedef struct {
538 Elf32_Word n_namesz;
539 Elf32_Word n_descsz;
540 Elf32_Word n_type;
541 } Elf32_Nhdr;
542
543 #define ELF_NOTE_TYPE_ABI_TAG 1
544
545 /* GNU-specific note name and description sizes */
546 #define ELF_NOTE_ABI_NAMESZ 4
547 #define ELF_NOTE_ABI_DESCSZ 16
548 /* GNU-specific note name */
549 #define ELF_NOTE_ABI_NAME "GNU\0"
550
551 /* GNU-specific OS/version value stuff */
552 #define ELF_NOTE_ABI_OS_LINUX 0
553 #define ELF_NOTE_ABI_OS_HURD 1
554 #define ELF_NOTE_ABI_OS_SOLARIS 2
555
556 /* NetBSD-specific note type: Emulation name. desc is emul name string. */
557 #define ELF_NOTE_TYPE_NETBSD_TAG 1
558
559 /* NetBSD-specific note name and description sizes */
560 #define ELF_NOTE_NETBSD_NAMESZ 7
561 #define ELF_NOTE_NETBSD_DESCSZ 4
562 /* NetBSD-specific note name */
563 #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
564
565 #if defined(ELFSIZE)
566 #define CONCAT(x,y) __CONCAT(x,y)
567 #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
568 #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
569 #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
570 #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
571 #endif
572
573 /*
574 * Leo: This is actually from machine/elf_machdep.h
575 */
576 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB
577 #define ELF32_MACHDEP_ID_CASES \
578 case EM_68K: \
579 break;
580
581 #define ELF64_MACHDEP_ENDIANNESS XXX /* break compilation */
582 #define ELF64_MACHDEP_ID_CASES \
583 /* no 64-bit ELF machine types supported */
584
585 #define ARCH_ELFSIZE 32 /* MD native binary size */
586
587 /* m68k relocation types */
588 #define R_68K_NONE 0
589 #define R_68K_32 1
590 #define R_68K_16 2
591 #define R_68K_8 3
592 #define R_68K_PC32 4
593 #define R_68K_PC16 5
594 #define R_68K_PC8 6
595 #define R_68K_GOT32 7
596 #define R_68K_GOT16 8
597 #define R_68K_GOT8 9
598 #define R_68K_GOT32O 10
599 #define R_68K_GOT16O 11
600 #define R_68K_GOT8O 12
601 #define R_68K_PLT32 13
602 #define R_68K_PLT16 14
603 #define R_68K_PLT8 15
604 #define R_68K_PLT32O 16
605 #define R_68K_PLT16O 17
606 #define R_68K_PLT8O 18
607 #define R_68K_COPY 19
608 #define R_68K_GLOB_DAT 20
609 #define R_68K_JMP_SLOT 21
610 #define R_68K_RELATIVE 22
611
612 #define R_TYPE(name) __CONCAT(R_68K_,name)
613
614 #define Elf_Ehdr Elf32_Ehdr
615 #define Elf_Phdr Elf32_Phdr
616 #define Elf_Shdr Elf32_Shdr
617 #define Elf_Sym Elf32_Sym
618 #define Elf_Rel Elf32_Rel
619 #define Elf_Rela Elf32_Rela
620 #define Elf_Dyn Elf32_Dyn
621 #define Elf_Word Elf32_Word
622 #define Elf_Sword Elf32_Sword
623 #define Elf_Addr Elf32_Addr
624 #define Elf_Off Elf32_Off
625 #define Elf_Nhdr Elf32_Nhdr
626
627 #define ELF_R_SYM ELF32_R_SYM
628 #define ELF_R_TYPE ELF32_R_TYPE
629 #define ELFCLASS ELFCLASS32
630
631 #define ELF_ST_BIND ELF32_ST_BIND
632 #define ELF_ST_TYPE ELF32_ST_TYPE
633 #define ELF_ST_INFO ELF32_ST_INFO
634
635 #define AuxInfo Aux32Info
636
637 #endif /* !_LIBTOS_EXEC_ELF_H_ */
638