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[netbsd-mini2440.git] / tools / amiga-elf2bb / sys / exec_elf.h
blob3a964c3e281e7148ec13e8fc876e4d95318bccb0
1 /* $NetBSD: exec_elf.h,v 1.1 2004/11/28 07:00:53 jmc 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 _SYS_EXEC_ELF_H_
33 #define _SYS_EXEC_ELF_H_
34
35 /*
36 * The current ELF ABI specification is available at:
37 * http://www.sco.com/developers/gabi/
38 *
39 * Current header definitions are in:
40 * http://www.sco.com/developers/gabi/latest/ch4.eheader.html
41 */
42
43 #if defined(_KERNEL) || defined(_STANDALONE)
44 #include <sys/types.h>
45 #else
46 #include <inttypes.h>
47 #endif /* _KERNEL || _STANDALONE */
48
49 typedef uint8_t Elf_Byte;
50
51 typedef uint32_t Elf32_Addr;
52 #define ELF32_FSZ_ADDR 4
53 typedef uint32_t Elf32_Off;
54 #define ELF32_FSZ_OFF 4
55 typedef int32_t Elf32_Sword;
56 #define ELF32_FSZ_SWORD 4
57 typedef uint32_t Elf32_Word;
58 #define ELF32_FSZ_WORD 4
59 typedef uint16_t Elf32_Half;
60 #define ELF32_FSZ_HALF 2
61
62 typedef uint64_t Elf64_Addr;
63 #define ELF64_FSZ_ADDR 8
64 typedef uint64_t Elf64_Off;
65 #define ELF64_FSZ_OFF 8
66 typedef int32_t Elf64_Shalf;
67 #define ELF64_FSZ_SHALF 4
68
69 #ifndef ELF64_FSZ_SWORD
70 typedef int32_t Elf64_Sword;
71 #define ELF64_FSZ_SWORD 4
72 #endif /* ELF64_FSZ_SWORD */
73 #ifndef ELF64_FSZ_WORD
74 typedef uint32_t Elf64_Word;
75 #define ELF64_FSZ_WORD 4
76 #endif /* ELF64_FSZ_WORD */
77
78 typedef int64_t Elf64_Sxword;
79 #define ELF64_FSZ_XWORD 8
80 typedef uint64_t Elf64_Xword;
81 #define ELF64_FSZ_XWORD 8
82 typedef uint32_t Elf64_Half;
83 #define ELF64_FSZ_HALF 4
84 typedef uint16_t Elf64_Quarter;
85 #define ELF64_FSZ_QUARTER 2
86
87 /*
88 * ELF Header
89 */
90 #define ELF_NIDENT 16
91
92 typedef struct {
93 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
94 Elf32_Half e_type; /* file type */
95 Elf32_Half e_machine; /* machine type */
96 Elf32_Word e_version; /* version number */
97 Elf32_Addr e_entry; /* entry point */
98 Elf32_Off e_phoff; /* Program hdr offset */
99 Elf32_Off e_shoff; /* Section hdr offset */
100 Elf32_Word e_flags; /* Processor flags */
101 Elf32_Half e_ehsize; /* sizeof ehdr */
102 Elf32_Half e_phentsize; /* Program header entry size */
103 Elf32_Half e_phnum; /* Number of program headers */
104 Elf32_Half e_shentsize; /* Section header entry size */
105 Elf32_Half e_shnum; /* Number of section headers */
106 Elf32_Half e_shstrndx; /* String table index */
107 } Elf32_Ehdr;
108
109 typedef struct {
110 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
111 Elf64_Quarter e_type; /* file type */
112 Elf64_Quarter e_machine; /* machine type */
113 Elf64_Half e_version; /* version number */
114 Elf64_Addr e_entry; /* entry point */
115 Elf64_Off e_phoff; /* Program hdr offset */
116 Elf64_Off e_shoff; /* Section hdr offset */
117 Elf64_Half e_flags; /* Processor flags */
118 Elf64_Quarter e_ehsize; /* sizeof ehdr */
119 Elf64_Quarter e_phentsize; /* Program header entry size */
120 Elf64_Quarter e_phnum; /* Number of program headers */
121 Elf64_Quarter e_shentsize; /* Section header entry size */
122 Elf64_Quarter e_shnum; /* Number of section headers */
123 Elf64_Quarter e_shstrndx; /* String table index */
124 } Elf64_Ehdr;
125
126 /* e_ident offsets */
127 #define EI_MAG0 0 /* '\177' */
128 #define EI_MAG1 1 /* 'E' */
129 #define EI_MAG2 2 /* 'L' */
130 #define EI_MAG3 3 /* 'F' */
131 #define EI_CLASS 4 /* File class */
132 #define EI_DATA 5 /* Data encoding */
133 #define EI_VERSION 6 /* File version */
134 #define EI_OSABI 7 /* Operating system/ABI identification */
135 #define EI_ABIVERSION 8 /* ABI version */
136 #define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/
137 #define EI_NIDENT 16 /* First non-ident header byte */
138
139 /* e_ident[EI_MAG0,EI_MAG3] */
140 #define ELFMAG0 0x7f
141 #define ELFMAG1 'E'
142 #define ELFMAG2 'L'
143 #define ELFMAG3 'F'
144 #define ELFMAG "\177ELF"
145 #define SELFMAG 4
146
147 /* e_ident[EI_CLASS] */
148 #define ELFCLASSNONE 0 /* Invalid class */
149 #define ELFCLASS32 1 /* 32-bit objects */
150 #define ELFCLASS64 2 /* 64-bit objects */
151 #define ELFCLASSNUM 3
152
153 /* e_ident[EI_DATA] */
154 #define ELFDATANONE 0 /* Invalid data encoding */
155 #define ELFDATA2LSB 1 /* 2's complement values, LSB first */
156 #define ELFDATA2MSB 2 /* 2's complement values, MSB first */
157
158 /* e_ident[EI_VERSION] */
159 #define EV_NONE 0 /* Invalid version */
160 #define EV_CURRENT 1 /* Current version */
161 #define EV_NUM 2
162
163 /* e_ident[EI_OSABI] */
164 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */
165 #define ELFOSABI_HPUX 1 /* HP-UX operating system */
166 #define ELFOSABI_NETBSD 2 /* NetBSD */
167 #define ELFOSABI_LINUX 3 /* GNU/Linux */
168 #define ELFOSABI_HURD 4 /* GNU/Hurd */
169 #define ELFOSABI_86OPEN 5 /* 86Open */
170 #define ELFOSABI_SOLARIS 6 /* Solaris */
171 #define ELFOSABI_MONTEREY 7 /* Monterey */
172 #define ELFOSABI_IRIX 8 /* IRIX */
173 #define ELFOSABI_FREEBSD 9 /* FreeBSD */
174 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */
175 #define ELFOSABI_MODESTO 11 /* Novell Modesto */
176 #define ELFOSABI_OPENBSD 12 /* OpenBSD */
177 /* Unofficial OSABIs follow */
178 #define ELFOSABI_ARM 97 /* ARM */
179 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
180
181 /* e_type */
182 #define ET_NONE 0 /* No file type */
183 #define ET_REL 1 /* Relocatable file */
184 #define ET_EXEC 2 /* Executable file */
185 #define ET_DYN 3 /* Shared object file */
186 #define ET_CORE 4 /* Core file */
187 #define ET_NUM 5
188
189 #define ET_LOOS 0xfe00 /* Operating system specific range */
190 #define ET_HIOS 0xfeff
191 #define ET_LOPROC 0xff00 /* Processor-specific range */
192 #define ET_HIPROC 0xffff
193
194 /* e_machine */
195 #define EM_NONE 0 /* No machine */
196 #define EM_M32 1 /* AT&T WE 32100 */
197 #define EM_SPARC 2 /* SPARC */
198 #define EM_386 3 /* Intel 80386 */
199 #define EM_68K 4 /* Motorola 68000 */
200 #define EM_88K 5 /* Motorola 88000 */
201 #define EM_486 6 /* Intel 80486 */
202 #define EM_860 7 /* Intel 80860 */
203 #define EM_MIPS 8 /* MIPS I Architecture */
204 #define EM_S370 9 /* Amdahl UTS on System/370 */
205 #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
206 /* 11-14 - Reserved */
207 #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */
208 #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
209 #define EM_NCUBE 16 /* NCube XXX reserved */
210 #define EM_VPP500 17 /* Fujitsu VPP500 */
211 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
212 #define EM_960 19 /* Intel 80960 */
213 #define EM_PPC 20 /* PowerPC */
214 #define EM_PPC64 21 /* 64-bit PowerPC */
215 /* 22-35 - Reserved */
216 #define EM_V800 36 /* NEC V800 */
217 #define EM_FR20 37 /* Fujitsu FR20 */
218 #define EM_RH32 38 /* TRW RH-32 */
219 #define EM_RCE 39 /* Motorola RCE */
220 #define EM_ARM 40 /* Advanced RISC Machines ARM */
221 #define EM_ALPHA 41 /* DIGITAL Alpha */
222 #define EM_SH 42 /* Hitachi Super-H */
223 #define EM_SPARCV9 43 /* SPARC Version 9 */
224 #define EM_TRICORE 44 /* Siemens Tricore */
225 #define EM_ARC 45 /* Argonaut RISC Core */
226 #define EM_H8_300 46 /* Hitachi H8/300 */
227 #define EM_H8_300H 47 /* Hitachi H8/300H */
228 #define EM_H8S 48 /* Hitachi H8S */
229 #define EM_H8_500 49 /* Hitachi H8/500 */
230 #define EM_IA_64 50 /* Intel Merced Processor */
231 #define EM_MIPS_X 51 /* Stanford MIPS-X */
232 #define EM_COLDFIRE 52 /* Motorola Coldfire */
233 #define EM_68HC12 53 /* Motorola MC68HC12 */
234 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
235 #define EM_PCP 55 /* Siemens PCP */
236 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
237 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
238 #define EM_STARCORE 58 /* Motorola Star*Core processor */
239 #define EM_ME16 59 /* Toyota ME16 processor */
240 #define EM_ST100 60 /* STMicroelectronics ST100 processor */
241 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */
242 #define EM_X86_64 62 /* AMD x86-64 architecture */
243 #define EM_PDSP 63 /* Sony DSP Processor */
244 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
245 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
246 #define EM_FX66 66 /* Siemens FX66 microcontroller */
247 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
248 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
249 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
250 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
251 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
252 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
253 #define EM_SVX 73 /* Silicon Graphics SVx */
254 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */
255 #define EM_VAX 75 /* Digital VAX */
256 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
257 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */
258 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
259 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
260 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
261 #define EM_HUANY 81 /* Harvard's machine-independent format */
262 #define EM_PRISM 82 /* SiTera Prism */
263 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
264 #define EM_FR30 84 /* Fujitsu FR30 */
265 #define EM_D10V 85 /* Mitsubishi D10V */
266 #define EM_D30V 86 /* Mitsubishi D30V */
267 #define EM_V850 87 /* NEC v850 */
268 #define EM_M32R 88 /* Mitsubishi M32R */
269 #define EM_MN10300 89 /* Matsushita MN10300 */
270 #define EM_MN10200 90 /* Matsushita MN10200 */
271 #define EM_PJ 91 /* picoJava */
272 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
273 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
274 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
275 #define EM_NS32K 97 /* National Semiconductor 32000 series */
276
277 /* Unofficial machine types follow */
278 #define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */
279 #define EM_NUM 36903
280
281 /*
282 * Program Header
283 */
284 typedef struct {
285 Elf32_Word p_type; /* entry type */
286 Elf32_Off p_offset; /* offset */
287 Elf32_Addr p_vaddr; /* virtual address */
288 Elf32_Addr p_paddr; /* physical address */
289 Elf32_Word p_filesz; /* file size */
290 Elf32_Word p_memsz; /* memory size */
291 Elf32_Word p_flags; /* flags */
292 Elf32_Word p_align; /* memory & file alignment */
293 } Elf32_Phdr;
294
295 typedef struct {
296 Elf64_Half p_type; /* entry type */
297 Elf64_Half p_flags; /* flags */
298 Elf64_Off p_offset; /* offset */
299 Elf64_Addr p_vaddr; /* virtual address */
300 Elf64_Addr p_paddr; /* physical address */
301 Elf64_Xword p_filesz; /* file size */
302 Elf64_Xword p_memsz; /* memory size */
303 Elf64_Xword p_align; /* memory & file alignment */
304 } Elf64_Phdr;
305
306 /* p_type */
307 #define PT_NULL 0 /* Program header table entry unused */
308 #define PT_LOAD 1 /* Loadable program segment */
309 #define PT_DYNAMIC 2 /* Dynamic linking information */
310 #define PT_INTERP 3 /* Program interpreter */
311 #define PT_NOTE 4 /* Auxiliary information */
312 #define PT_SHLIB 5 /* Reserved, unspecified semantics */
313 #define PT_PHDR 6 /* Entry for header table itself */
314 #define PT_NUM 7
315
316 #define PT_LOOS 0x60000000 /* OS-specific range */
317 #define PT_HIOS 0x6fffffff
318 #define PT_LOPROC 0x70000000 /* Processor-specific range */
319 #define PT_HIPROC 0x7fffffff
320
321 #define PT_MIPS_REGINFO 0x70000000
322
323 /* p_flags */
324 #define PF_R 0x4 /* Segment is readable */
325 #define PF_W 0x2 /* Segment is writable */
326 #define PF_X 0x1 /* Segment is executable */
327
328 #define PF_MASKOS 0x0ff00000 /* Operating system specific values */
329 #define PF_MASKPROC 0xf0000000 /* Processor-specific values */
330
331 /*
332 * Section Headers
333 */
334 typedef struct {
335 Elf32_Word sh_name; /* section name (.shstrtab index) */
336 Elf32_Word sh_type; /* section type */
337 Elf32_Word sh_flags; /* section flags */
338 Elf32_Addr sh_addr; /* virtual address */
339 Elf32_Off sh_offset; /* file offset */
340 Elf32_Word sh_size; /* section size */
341 Elf32_Word sh_link; /* link to another */
342 Elf32_Word sh_info; /* misc info */
343 Elf32_Word sh_addralign; /* memory alignment */
344 Elf32_Word sh_entsize; /* table entry size */
345 } Elf32_Shdr;
346
347 typedef struct {
348 Elf64_Half sh_name; /* section name (.shstrtab index) */
349 Elf64_Half sh_type; /* section type */
350 Elf64_Xword sh_flags; /* section flags */
351 Elf64_Addr sh_addr; /* virtual address */
352 Elf64_Off sh_offset; /* file offset */
353 Elf64_Xword sh_size; /* section size */
354 Elf64_Half sh_link; /* link to another */
355 Elf64_Half sh_info; /* misc info */
356 Elf64_Xword sh_addralign; /* memory alignment */
357 Elf64_Xword sh_entsize; /* table entry size */
358 } Elf64_Shdr;
359
360 /* sh_type */
361 #define SHT_NULL 0 /* Section header table entry unused */
362 #define SHT_PROGBITS 1 /* Program information */
363 #define SHT_SYMTAB 2 /* Symbol table */
364 #define SHT_STRTAB 3 /* String table */
365 #define SHT_RELA 4 /* Relocation information w/ addend */
366 #define SHT_HASH 5 /* Symbol hash table */
367 #define SHT_DYNAMIC 6 /* Dynamic linking information */
368 #define SHT_NOTE 7 /* Auxiliary information */
369 #define SHT_NOBITS 8 /* No space allocated in file image */
370 #define SHT_REL 9 /* Relocation information w/o addend */
371 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
372 #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */
373 #define SHT_NUM 12
374
375 #define SHT_LOOS 0x60000000 /* Operating system specific range */
376 #define SHT_HIOS 0x6fffffff
377 #define SHT_LOPROC 0x70000000 /* Processor-specific range */
378 #define SHT_HIPROC 0x7fffffff
379 #define SHT_LOUSER 0x80000000 /* Application-specific range */
380 #define SHT_HIUSER 0xffffffff
381
382 /* sh_flags */
383 #define SHF_WRITE 0x1 /* Section contains writable data */
384 #define SHF_ALLOC 0x2 /* Section occupies memory */
385 #define SHF_EXECINSTR 0x4 /* Section contains executable insns */
386
387 #define SHF_MASKOS 0x0f000000 /* Operating system specific values */
388 #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
389
390 /*
391 * Symbol Table
392 */
393 typedef struct {
394 Elf32_Word st_name; /* Symbol name (.symtab index) */
395 Elf32_Word st_value; /* value of symbol */
396 Elf32_Word st_size; /* size of symbol */
397 Elf_Byte st_info; /* type / binding attrs */
398 Elf_Byte st_other; /* unused */
399 Elf32_Half st_shndx; /* section index of symbol */
400 } Elf32_Sym;
401
402 typedef struct {
403 Elf64_Half st_name; /* Symbol name (.symtab index) */
404 Elf_Byte st_info; /* type / binding attrs */
405 Elf_Byte st_other; /* unused */
406 Elf64_Quarter st_shndx; /* section index of symbol */
407 Elf64_Addr st_value; /* value of symbol */
408 Elf64_Xword st_size; /* size of symbol */
409 } Elf64_Sym;
410
411 /* Symbol Table index of the undefined symbol */
412 #define ELF_SYM_UNDEFINED 0
413
414 /* st_info: Symbol Bindings */
415 #define STB_LOCAL 0 /* local symbol */
416 #define STB_GLOBAL 1 /* global symbol */
417 #define STB_WEAK 2 /* weakly defined global symbol */
418 #define STB_NUM 3
419
420 #define STB_LOOS 10 /* Operating system specific range */
421 #define STB_HIOS 12
422 #define STB_LOPROC 13 /* Processor-specific range */
423 #define STB_HIPROC 15
424
425 /* st_info: Symbol Types */
426 #define STT_NOTYPE 0 /* Type not specified */
427 #define STT_OBJECT 1 /* Associated with a data object */
428 #define STT_FUNC 2 /* Associated with a function */
429 #define STT_SECTION 3 /* Associated with a section */
430 #define STT_FILE 4 /* Associated with a file name */
431 #define STT_NUM 5
432
433 #define STT_LOOS 10 /* Operating system specific range */
434 #define STT_HIOS 12
435 #define STT_LOPROC 13 /* Processor-specific range */
436 #define STT_HIPROC 15
437
438 /* st_info utility macros */
439 #define ELF32_ST_BIND(info) ((Elf32_Word)(info) >> 4)
440 #define ELF32_ST_TYPE(info) ((Elf32_Word)(info) & 0xf)
441 #define ELF32_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf)))
442
443 #define ELF64_ST_BIND(info) ((Elf64_Xword)(info) >> 4)
444 #define ELF64_ST_TYPE(info) ((Elf64_Xword)(info) & 0xf)
445 #define ELF64_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf)))
446
447 /*
448 * Special section indexes
449 */
450 #define SHN_UNDEF 0 /* Undefined section */
451
452 #define SHN_LORESERVE 0xff00 /* Reserved range */
453 #define SHN_ABS 0xfff1 /* Absolute symbols */
454 #define SHN_COMMON 0xfff2 /* Common symbols */
455 #define SHN_HIRESERVE 0xffff
456
457 #define SHN_LOPROC 0xff00 /* Processor-specific range */
458 #define SHN_HIPROC 0xff1f
459 #define SHN_LOOS 0xff20 /* Operating system specific range */
460 #define SHN_HIOS 0xff3f
461
462 #define SHN_MIPS_ACOMMON 0xff00
463 #define SHN_MIPS_TEXT 0xff01
464 #define SHN_MIPS_DATA 0xff02
465 #define SHN_MIPS_SCOMMON 0xff03
466
467 /*
468 * Relocation Entries
469 */
470 typedef struct {
471 Elf32_Word r_offset; /* where to do it */
472 Elf32_Word r_info; /* index & type of relocation */
473 } Elf32_Rel;
474
475 typedef struct {
476 Elf32_Word r_offset; /* where to do it */
477 Elf32_Word r_info; /* index & type of relocation */
478 Elf32_Sword r_addend; /* adjustment value */
479 } Elf32_Rela;
480
481 /* r_info utility macros */
482 #define ELF32_R_SYM(info) ((info) >> 8)
483 #define ELF32_R_TYPE(info) ((info) & 0xff)
484 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
485
486 typedef struct {
487 Elf64_Addr r_offset; /* where to do it */
488 Elf64_Xword r_info; /* index & type of relocation */
489 } Elf64_Rel;
490
491 typedef struct {
492 Elf64_Addr r_offset; /* where to do it */
493 Elf64_Xword r_info; /* index & type of relocation */
494 Elf64_Sxword r_addend; /* adjustment value */
495 } Elf64_Rela;
496
497 /* r_info utility macros */
498 #define ELF64_R_SYM(info) ((info) >> 32)
499 #define ELF64_R_TYPE(info) ((info) & 0xffffffff)
500 #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
501
502 /*
503 * Dynamic Section structure array
504 */
505 typedef struct {
506 Elf32_Word d_tag; /* entry tag value */
507 union {
508 Elf32_Addr d_ptr;
509 Elf32_Word d_val;
510 } d_un;
511 } Elf32_Dyn;
512
513 typedef struct {
514 Elf64_Xword d_tag; /* entry tag value */
515 union {
516 Elf64_Addr d_ptr;
517 Elf64_Xword d_val;
518 } d_un;
519 } Elf64_Dyn;
520
521 /* d_tag */
522 #define DT_NULL 0 /* Marks end of dynamic array */
523 #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */
524 #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */
525 #define DT_PLTGOT 3 /* Address of PLT and/or GOT */
526 #define DT_HASH 4 /* Address of symbol hash table */
527 #define DT_STRTAB 5 /* Address of string table */
528 #define DT_SYMTAB 6 /* Address of symbol table */
529 #define DT_RELA 7 /* Address of Rela relocation table */
530 #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */
531 #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */
532 #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */
533 #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */
534 #define DT_INIT 12 /* Address of initialization function */
535 #define DT_FINI 13 /* Address of termination function */
536 #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */
537 #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */
538 #define DT_SYMBOLIC 16 /* Start symbol search within local object */
539 #define DT_REL 17 /* Address of Rel relocation table */
540 #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */
541 #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */
542 #define DT_PLTREL 20 /* Type of PLT relocation entries */
543 #define DT_DEBUG 21 /* Used for debugging; unspecified */
544 #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */
545 #define DT_JMPREL 23 /* Address of relocations associated with PLT */
546 #define DT_BIND_NOW 24 /* Process all relocations at load-time */
547 #define DT_INIT_ARRAY 25 /* Address of initialization function array */
548 #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */
549 #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */
550 #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/
551 #define DT_NUM 29
552
553 #define DT_LOOS 0x60000000 /* Operating system specific range */
554 #define DT_HIOS 0x6fffffff
555 #define DT_LOPROC 0x70000000 /* Processor-specific range */
556 #define DT_HIPROC 0x7fffffff
557
558 /*
559 * Auxiliary Vectors
560 */
561 typedef struct {
562 Elf32_Word a_type; /* 32-bit id */
563 Elf32_Word a_v; /* 32-bit id */
564 } Aux32Info;
565
566 typedef struct {
567 Elf64_Half a_type; /* 32-bit id */
568 Elf64_Xword a_v; /* 64-bit id */
569 } Aux64Info;
570
571 /* a_type */
572 #define AT_NULL 0 /* Marks end of array */
573 #define AT_IGNORE 1 /* No meaning, a_un is undefined */
574 #define AT_EXECFD 2 /* Open file descriptor of object file */
575 #define AT_PHDR 3 /* &phdr[0] */
576 #define AT_PHENT 4 /* sizeof(phdr[0]) */
577 #define AT_PHNUM 5 /* # phdr entries */
578 #define AT_PAGESZ 6 /* PAGESIZE */
579 #define AT_BASE 7 /* Interpreter base addr */
580 #define AT_FLAGS 8 /* Processor flags */
581 #define AT_ENTRY 9 /* Entry address of executable */
582 #define AT_DCACHEBSIZE 10 /* Data cache block size */
583 #define AT_ICACHEBSIZE 11 /* Instruction cache block size */
584 #define AT_UCACHEBSIZE 12 /* Unified cache block size */
585
586 /* Vendor specific */
587 #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */
588
589 #define AT_EUID 2000 /* euid (solaris compatible numbers) */
590 #define AT_RUID 2001 /* ruid (solaris compatible numbers) */
591 #define AT_EGID 2002 /* egid (solaris compatible numbers) */
592 #define AT_RGID 2003 /* rgid (solaris compatible numbers) */
593
594 /* Solaris kernel specific */
595 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
596 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */
597 #define AT_SUN_LDNAME 2006 /* dynamic linker's name */
598 #define AT_SUN_LPGSIZE 2007 /* large pagesize */
599
600 /* Other information */
601 #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */
602 #define AT_SUN_HWCAP 2009 /* process hardware capabilities */
603 #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */
604 #define AT_SUN_CPU 2011 /* CPU name */
605 /* ibcs2 emulation band aid */
606 #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */
607 #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */
608 /* Executable's fully resolved name */
609 #define AT_SUN_EXECNAME 2014
610
611 /*
612 * Note Headers
613 */
614 typedef struct {
615 Elf32_Word n_namesz;
616 Elf32_Word n_descsz;
617 Elf32_Word n_type;
618 } Elf32_Nhdr;
619
620 typedef struct {
621 Elf64_Half n_namesz;
622 Elf64_Half n_descsz;
623 Elf64_Half n_type;
624 } Elf64_Nhdr;
625
626 #define ELF_NOTE_TYPE_ABI_TAG 1
627
628 /* GNU-specific note name and description sizes */
629 #define ELF_NOTE_ABI_NAMESZ 4
630 #define ELF_NOTE_ABI_DESCSZ 16
631 /* GNU-specific note name */
632 #define ELF_NOTE_ABI_NAME "GNU\0"
633
634 /* GNU-specific OS/version value stuff */
635 #define ELF_NOTE_ABI_OS_LINUX 0
636 #define ELF_NOTE_ABI_OS_HURD 1
637 #define ELF_NOTE_ABI_OS_SOLARIS 2
638
639 /* NetBSD-specific note type: Emulation name. desc is emul name string. */
640 #define ELF_NOTE_TYPE_NETBSD_TAG 1
641
642 /* NetBSD-specific note name and description sizes */
643 #define ELF_NOTE_NETBSD_NAMESZ 7
644 #define ELF_NOTE_NETBSD_DESCSZ 4
645 /* NetBSD-specific note name */
646 #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
647
648 /*
649 * NetBSD-specific core file information.
650 *
651 * NetBSD ELF core files use notes to provide information about
652 * the process's state. The note name is "NetBSD-CORE" for
653 * information that is global to the process, and "NetBSD-CORE@nn",
654 * where "nn" is the lwpid of the LWP that the information belongs
655 * to (such as register state).
656 *
657 * We use the following note identifiers:
658 *
659 * ELF_NOTE_NETBSD_CORE_PROCINFO
660 * Note is a "netbsd_elfcore_procinfo" structure.
661 *
662 * We also use ptrace(2) request numbers (the ones that exist in
663 * machine-dependent space) to identify register info notes. The
664 * info in such notes is in the same format that ptrace(2) would
665 * export that information.
666 *
667 * Please try to keep the members of this structure nicely aligned,
668 * and if you add elements, add them to the end and bump the version.
669 */
670
671 #define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE"
672
673 #define ELF_NOTE_NETBSD_CORE_PROCINFO 1
674
675 #define NETBSD_ELFCORE_PROCINFO_VERSION 1
676
677 struct netbsd_elfcore_procinfo {
678 /* Version 1 fields start here. */
679 uint32_t cpi_version; /* netbsd_elfcore_procinfo version */
680 uint32_t cpi_cpisize; /* sizeof(netbsd_elfcore_procinfo) */
681 uint32_t cpi_signo; /* killing signal */
682 uint32_t cpi_sigcode; /* signal code */
683 uint32_t cpi_sigpend[4]; /* pending signals */
684 uint32_t cpi_sigmask[4]; /* blocked signals */
685 uint32_t cpi_sigignore[4];/* blocked signals */
686 uint32_t cpi_sigcatch[4];/* blocked signals */
687 int32_t cpi_pid; /* process ID */
688 int32_t cpi_ppid; /* parent process ID */
689 int32_t cpi_pgrp; /* process group ID */
690 int32_t cpi_sid; /* session ID */
691 uint32_t cpi_ruid; /* real user ID */
692 uint32_t cpi_euid; /* effective user ID */
693 uint32_t cpi_svuid; /* saved user ID */
694 uint32_t cpi_rgid; /* real group ID */
695 uint32_t cpi_egid; /* effective group ID */
696 uint32_t cpi_svgid; /* saved group ID */
697 uint32_t cpi_nlwps; /* number of LWPs */
698 int8_t cpi_name[32]; /* copy of p->p_comm */
699 /* Add version 2 fields below here. */
700 int32_t cpi_siglwp; /* LWP target of killing signal */
701 };
702
703 #if defined(ELFSIZE)
704 #define CONCAT(x,y) __CONCAT(x,y)
705 #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
706 #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
707 #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
708 #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
709 #endif
710
711 #if defined(ELFSIZE) && (ELFSIZE == 32)
712 #define Elf_Ehdr Elf32_Ehdr
713 #define Elf_Phdr Elf32_Phdr
714 #define Elf_Shdr Elf32_Shdr
715 #define Elf_Sym Elf32_Sym
716 #define Elf_Rel Elf32_Rel
717 #define Elf_Rela Elf32_Rela
718 #define Elf_Dyn Elf32_Dyn
719 #define Elf_Word Elf32_Word
720 #define Elf_Sword Elf32_Sword
721 #define Elf_Addr Elf32_Addr
722 #define Elf_Off Elf32_Off
723 #define Elf_Nhdr Elf32_Nhdr
724
725 #define ELF_R_SYM ELF32_R_SYM
726 #define ELF_R_TYPE ELF32_R_TYPE
727 #define ELFCLASS ELFCLASS32
728
729 #define ELF_ST_BIND ELF32_ST_BIND
730 #define ELF_ST_TYPE ELF32_ST_TYPE
731 #define ELF_ST_INFO ELF32_ST_INFO
732
733 #define AuxInfo Aux32Info
734 #elif defined(ELFSIZE) && (ELFSIZE == 64)
735 #define Elf_Ehdr Elf64_Ehdr
736 #define Elf_Phdr Elf64_Phdr
737 #define Elf_Shdr Elf64_Shdr
738 #define Elf_Sym Elf64_Sym
739 #define Elf_Rel Elf64_Rel
740 #define Elf_Rela Elf64_Rela
741 #define Elf_Dyn Elf64_Dyn
742 #define Elf_Word Elf64_Word
743 #define Elf_Sword Elf64_Sword
744 #define Elf_Addr Elf64_Addr
745 #define Elf_Off Elf64_Off
746 #define Elf_Nhdr Elf64_Nhdr
747
748 #define ELF_R_SYM ELF64_R_SYM
749 #define ELF_R_TYPE ELF64_R_TYPE
750 #define ELFCLASS ELFCLASS64
751
752 #define ELF_ST_BIND ELF64_ST_BIND
753 #define ELF_ST_TYPE ELF64_ST_TYPE
754 #define ELF_ST_INFO ELF64_ST_INFO
755
756 #define AuxInfo Aux64Info
757 #endif
758
759 #ifdef _KERNEL
760
761 #define ELF_AUX_ENTRIES 12 /* Size of aux array passed to loader */
762 #define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
763 #define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
764 #define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
765 #define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
766
767 #if defined(ELFSIZE) && (ELFSIZE == 64)
768 #define ELF_NO_ADDR ELF64_NO_ADDR
769 #define ELF_LINK_ADDR ELF64_LINK_ADDR
770 #elif defined(ELFSIZE) && (ELFSIZE == 32)
771 #define ELF_NO_ADDR ELF32_NO_ADDR
772 #define ELF_LINK_ADDR ELF32_LINK_ADDR
773 #endif
774
775 #ifndef ELF32_EHDR_FLAGS_OK
776 #define ELF32_EHDR_FLAGS_OK(eh) 1
777 #endif
778
779 #ifndef ELF64_EHDR_FLAGS_OK
780 #define ELF64_EHDR_FLAGS_OK(eh) 1
781 #endif
782
783 #if defined(ELFSIZE) && (ELFSIZE == 64)
784 #define ELF_EHDR_FLAGS_OK(eh) ELF64_EHDR_FLAGS_OK(eh)
785 #else
786 #define ELF_EHDR_FLAGS_OK(eh) ELF32_EHDR_FLAGS_OK(eh)
787 #endif
788
789 #if defined(ELFSIZE)
790 struct elf_args {
791 Elf_Addr arg_entry; /* program entry point */
792 Elf_Addr arg_interp; /* Interpreter load address */
793 Elf_Addr arg_phaddr; /* program header address */
794 Elf_Addr arg_phentsize; /* Size of program header */
795 Elf_Addr arg_phnum; /* Number of program headers */
796 };
797 #endif
798
799 #ifndef _LKM
800 #include "opt_execfmt.h"
801 #endif
802
803 #ifdef EXEC_ELF32
804 int exec_elf32_makecmds(struct proc *, struct exec_package *);
805 int elf32_copyargs(struct proc *, struct exec_package *,
806 struct ps_strings *, char **, void *);
807
808 int coredump_elf32(struct lwp *, struct vnode *, struct ucred *);
809 int coredump_writenote_elf32(struct proc *, struct vnode *,
810 struct ucred *, off_t, Elf32_Nhdr *, const char *, void *);
811
812 int elf32_check_header(Elf32_Ehdr *, int);
813 #endif
814
815 #ifdef EXEC_ELF64
816 int exec_elf64_makecmds(struct proc *, struct exec_package *);
817 int elf64_read_from(struct proc *, struct vnode *, u_long, caddr_t, int);
818 int elf64_copyargs(struct proc *, struct exec_package *,
819 struct ps_strings *, char **, void *);
820
821 int coredump_elf64 __P((struct lwp *, struct vnode *, struct ucred *));
822 int coredump_writenote_elf64 __P((struct proc *, struct vnode *,
823 struct ucred *, off_t, Elf64_Nhdr *, const char *, void *));
824
825 int elf64_check_header(Elf64_Ehdr *, int);
826 #endif
827
828 #endif /* _KERNEL */
829
830 #endif /* !_SYS_EXEC_ELF_H_ */
NetBSD on the FriendlyARM MINI2440