?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
testsh2.sh: change output to new cksum util
[minix.git] / common / include / sys / exec_elf.h
blob0b86122374c2861fe654df3d3ec4d448666d5012
1 /* $NetBSD: exec_elf.h,v 1.117 2011/08/03 00:22:05 enami 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 #if HAVE_NBTOOL_CONFIG_H
50 #include <nbinclude/machine/elf_machdep.h>
51 #else
52 #include <machine/elf_machdep.h>
53 #endif
54
55 typedef uint8_t Elf_Byte;
56
57 typedef uint32_t Elf32_Addr;
58 #define ELF32_FSZ_ADDR 4
59 typedef uint32_t Elf32_Off;
60 typedef int32_t Elf32_SOff;
61 #define ELF32_FSZ_OFF 4
62 typedef int32_t Elf32_Sword;
63 #define ELF32_FSZ_SWORD 4
64 typedef uint32_t Elf32_Word;
65 #define ELF32_FSZ_WORD 4
66 typedef uint16_t Elf32_Half;
67 #define ELF32_FSZ_HALF 2
68 typedef uint64_t Elf32_Lword;
69 #define ELF32_FSZ_LWORD 8
70
71 typedef uint64_t Elf64_Addr;
72 #define ELF64_FSZ_ADDR 8
73 typedef uint64_t Elf64_Off;
74 typedef int64_t Elf64_SOff;
75 #define ELF64_FSZ_OFF 8
76 typedef int32_t Elf64_Shalf;
77 #define ELF64_FSZ_SHALF 4
78
79 typedef int32_t Elf64_Sword;
80 #define ELF64_FSZ_SWORD 4
81 typedef uint32_t Elf64_Word;
82 #define ELF64_FSZ_WORD 4
83
84 typedef int64_t Elf64_Sxword;
85 #define ELF64_FSZ_SXWORD 8
86 typedef uint64_t Elf64_Xword;
87 #define ELF64_FSZ_XWORD 8
88 typedef uint64_t Elf64_Lword;
89 #define ELF64_FSZ_LWORD 8
90 typedef uint16_t Elf64_Half;
91 #define ELF64_FSZ_HALF 2
92
93 /*
94 * ELF Header
95 */
96 #define ELF_NIDENT 16
97
98 typedef struct {
99 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
100 Elf32_Half e_type; /* file type */
101 Elf32_Half e_machine; /* machine type */
102 Elf32_Word e_version; /* version number */
103 Elf32_Addr e_entry; /* entry point */
104 Elf32_Off e_phoff; /* Program hdr offset */
105 Elf32_Off e_shoff; /* Section hdr offset */
106 Elf32_Word e_flags; /* Processor flags */
107 Elf32_Half e_ehsize; /* sizeof ehdr */
108 Elf32_Half e_phentsize; /* Program header entry size */
109 Elf32_Half e_phnum; /* Number of program headers */
110 Elf32_Half e_shentsize; /* Section header entry size */
111 Elf32_Half e_shnum; /* Number of section headers */
112 Elf32_Half e_shstrndx; /* String table index */
113 } Elf32_Ehdr;
114
115 typedef struct {
116 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
117 Elf64_Half e_type; /* file type */
118 Elf64_Half e_machine; /* machine type */
119 Elf64_Word e_version; /* version number */
120 Elf64_Addr e_entry; /* entry point */
121 Elf64_Off e_phoff; /* Program hdr offset */
122 Elf64_Off e_shoff; /* Section hdr offset */
123 Elf64_Word e_flags; /* Processor flags */
124 Elf64_Half e_ehsize; /* sizeof ehdr */
125 Elf64_Half e_phentsize; /* Program header entry size */
126 Elf64_Half e_phnum; /* Number of program headers */
127 Elf64_Half e_shentsize; /* Section header entry size */
128 Elf64_Half e_shnum; /* Number of section headers */
129 Elf64_Half e_shstrndx; /* String table index */
130 } Elf64_Ehdr;
131
132 /* e_ident offsets */
133 #define EI_MAG0 0 /* '\177' */
134 #define EI_MAG1 1 /* 'E' */
135 #define EI_MAG2 2 /* 'L' */
136 #define EI_MAG3 3 /* 'F' */
137 #define EI_CLASS 4 /* File class */
138 #define EI_DATA 5 /* Data encoding */
139 #define EI_VERSION 6 /* File version */
140 #define EI_OSABI 7 /* Operating system/ABI identification */
141 #define EI_ABIVERSION 8 /* ABI version */
142 #define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/
143 #define EI_NIDENT 16 /* First non-ident header byte */
144
145 /* e_ident[EI_MAG0,EI_MAG3] */
146 #define ELFMAG0 0x7f
147 #define ELFMAG1 'E'
148 #define ELFMAG2 'L'
149 #define ELFMAG3 'F'
150 #define ELFMAG "\177ELF"
151 #define SELFMAG 4
152
153 /* e_ident[EI_CLASS] */
154 #define ELFCLASSNONE 0 /* Invalid class */
155 #define ELFCLASS32 1 /* 32-bit objects */
156 #define ELFCLASS64 2 /* 64-bit objects */
157 #define ELFCLASSNUM 3
158
159 /* e_ident[EI_DATA] */
160 #define ELFDATANONE 0 /* Invalid data encoding */
161 #define ELFDATA2LSB 1 /* 2's complement values, LSB first */
162 #define ELFDATA2MSB 2 /* 2's complement values, MSB first */
163
164 /* e_ident[EI_VERSION] */
165 #define EV_NONE 0 /* Invalid version */
166 #define EV_CURRENT 1 /* Current version */
167 #define EV_NUM 2
168
169 /* e_ident[EI_OSABI] */
170 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */
171 #define ELFOSABI_HPUX 1 /* HP-UX operating system */
172 #define ELFOSABI_NETBSD 2 /* NetBSD */
173 #define ELFOSABI_LINUX 3 /* GNU/Linux */
174 #define ELFOSABI_HURD 4 /* GNU/Hurd */
175 #define ELFOSABI_86OPEN 5 /* 86Open */
176 #define ELFOSABI_SOLARIS 6 /* Solaris */
177 #define ELFOSABI_MONTEREY 7 /* Monterey */
178 #define ELFOSABI_IRIX 8 /* IRIX */
179 #define ELFOSABI_FREEBSD 9 /* FreeBSD */
180 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */
181 #define ELFOSABI_MODESTO 11 /* Novell Modesto */
182 #define ELFOSABI_OPENBSD 12 /* OpenBSD */
183 #define ELFOSABI_OPENVMS 13 /* OpenVMS */
184 #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
185 #define ELFOSABI_AROS 15 /* Amiga Research OS */
186 /* Unofficial OSABIs follow */
187 #define ELFOSABI_ARM 97 /* ARM */
188 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
189
190 #define ELFOSABI_NONE ELFOSABI_SYSV
191 #define ELFOSABI_AIX ELFOSABI_MONTEREY
192
193 /* e_type */
194 #define ET_NONE 0 /* No file type */
195 #define ET_REL 1 /* Relocatable file */
196 #define ET_EXEC 2 /* Executable file */
197 #define ET_DYN 3 /* Shared object file */
198 #define ET_CORE 4 /* Core file */
199 #define ET_NUM 5
200
201 #define ET_LOOS 0xfe00 /* Operating system specific range */
202 #define ET_HIOS 0xfeff
203 #define ET_LOPROC 0xff00 /* Processor-specific range */
204 #define ET_HIPROC 0xffff
205
206 /* e_machine */
207 #define EM_NONE 0 /* No machine */
208 #define EM_M32 1 /* AT&T WE 32100 */
209 #define EM_SPARC 2 /* SPARC */
210 #define EM_386 3 /* Intel 80386 */
211 #define EM_68K 4 /* Motorola 68000 */
212 #define EM_88K 5 /* Motorola 88000 */
213 #define EM_486 6 /* Intel 80486 */
214 #define EM_860 7 /* Intel 80860 */
215 #define EM_MIPS 8 /* MIPS I Architecture */
216 #define EM_S370 9 /* Amdahl UTS on System/370 */
217 #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
218 /* 11-14 - Reserved */
219 #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */
220 #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
221 #define EM_NCUBE 16 /* NCube XXX reserved */
222 #define EM_VPP500 17 /* Fujitsu VPP500 */
223 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
224 #define EM_960 19 /* Intel 80960 */
225 #define EM_PPC 20 /* PowerPC */
226 #define EM_PPC64 21 /* 64-bit PowerPC */
227 /* 22-35 - Reserved */
228 #define EM_S390 22 /* System/390 XXX reserved */
229 #define EM_V800 36 /* NEC V800 */
230 #define EM_FR20 37 /* Fujitsu FR20 */
231 #define EM_RH32 38 /* TRW RH-32 */
232 #define EM_RCE 39 /* Motorola RCE */
233 #define EM_ARM 40 /* Advanced RISC Machines ARM */
234 #define EM_ALPHA 41 /* DIGITAL Alpha */
235 #define EM_SH 42 /* Hitachi Super-H */
236 #define EM_SPARCV9 43 /* SPARC Version 9 */
237 #define EM_TRICORE 44 /* Siemens Tricore */
238 #define EM_ARC 45 /* Argonaut RISC Core */
239 #define EM_H8_300 46 /* Hitachi H8/300 */
240 #define EM_H8_300H 47 /* Hitachi H8/300H */
241 #define EM_H8S 48 /* Hitachi H8S */
242 #define EM_H8_500 49 /* Hitachi H8/500 */
243 #define EM_IA_64 50 /* Intel Merced Processor */
244 #define EM_MIPS_X 51 /* Stanford MIPS-X */
245 #define EM_COLDFIRE 52 /* Motorola Coldfire */
246 #define EM_68HC12 53 /* Motorola MC68HC12 */
247 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
248 #define EM_PCP 55 /* Siemens PCP */
249 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
250 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
251 #define EM_STARCORE 58 /* Motorola Star*Core processor */
252 #define EM_ME16 59 /* Toyota ME16 processor */
253 #define EM_ST100 60 /* STMicroelectronics ST100 processor */
254 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */
255 #define EM_X86_64 62 /* AMD x86-64 architecture */
256 #define EM_PDSP 63 /* Sony DSP Processor */
257 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
258 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
259 #define EM_FX66 66 /* Siemens FX66 microcontroller */
260 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
261 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
262 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
263 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
264 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
265 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
266 #define EM_SVX 73 /* Silicon Graphics SVx */
267 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */
268 #define EM_VAX 75 /* Digital VAX */
269 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
270 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */
271 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
272 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
273 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
274 #define EM_HUANY 81 /* Harvard's machine-independent format */
275 #define EM_PRISM 82 /* SiTera Prism */
276 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
277 #define EM_FR30 84 /* Fujitsu FR30 */
278 #define EM_D10V 85 /* Mitsubishi D10V */
279 #define EM_D30V 86 /* Mitsubishi D30V */
280 #define EM_V850 87 /* NEC v850 */
281 #define EM_M32R 88 /* Mitsubishi M32R */
282 #define EM_MN10300 89 /* Matsushita MN10300 */
283 #define EM_MN10200 90 /* Matsushita MN10200 */
284 #define EM_PJ 91 /* picoJava */
285 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
286 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
287 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
288 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
289 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
290 #define EM_NS32K 97 /* National Semiconductor 32000 series */
291 #define EM_TPC 98 /* Tenor Network TPC processor */
292 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */
293 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */
294 #define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */
295 #define EM_MAX 102 /* MAX processor */
296 #define EM_CR 103 /* National Semiconductor CompactRISC micorprocessor */
297 #define EM_F2MC16 104 /* Fujitsu F2MC16 */
298 #define EM_MSP430 105 /* Texas Instruments MSP430 */
299 #define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */
300 #define EM_SE_C33 107 /* Seiko Epson S1C33 family */
301 #define EM_SEP 108 /* Sharp embedded microprocessor */
302 #define EM_ARCA 109 /* Arca RISC microprocessor */
303 #define EM_UNICORE 110 /* UNICORE from PKU-Unity Ltd. and MPRC Peking University */
304
305 /* Unofficial machine types follow */
306 #define EM_AVR32 6317 /* used by NetBSD/avr32 */
307 #define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */
308 #define EM_NUM 36903
309
310 /*
311 * Program Header
312 */
313 typedef struct {
314 Elf32_Word p_type; /* entry type */
315 Elf32_Off p_offset; /* offset */
316 Elf32_Addr p_vaddr; /* virtual address */
317 Elf32_Addr p_paddr; /* physical address */
318 Elf32_Word p_filesz; /* file size */
319 Elf32_Word p_memsz; /* memory size */
320 Elf32_Word p_flags; /* flags */
321 Elf32_Word p_align; /* memory & file alignment */
322 } Elf32_Phdr;
323
324 typedef struct {
325 Elf64_Word p_type; /* entry type */
326 Elf64_Word p_flags; /* flags */
327 Elf64_Off p_offset; /* offset */
328 Elf64_Addr p_vaddr; /* virtual address */
329 Elf64_Addr p_paddr; /* physical address */
330 Elf64_Xword p_filesz; /* file size */
331 Elf64_Xword p_memsz; /* memory size */
332 Elf64_Xword p_align; /* memory & file alignment */
333 } Elf64_Phdr;
334
335 /* p_type */
336 #define PT_NULL 0 /* Program header table entry unused */
337 #define PT_LOAD 1 /* Loadable program segment */
338 #define PT_DYNAMIC 2 /* Dynamic linking information */
339 #define PT_INTERP 3 /* Program interpreter */
340 #define PT_NOTE 4 /* Auxiliary information */
341 #define PT_SHLIB 5 /* Reserved, unspecified semantics */
342 #define PT_PHDR 6 /* Entry for header table itself */
343 #define PT_TLS 7 /* TLS initialisation image */
344 #define PT_NUM 8
345
346 #define PT_LOOS 0x60000000 /* OS-specific range */
347
348 /* GNU-specific */
349 #define PT_GNU_EH_FRAME 0x6474e550 /* EH frame segment */
350 #define PT_GNU_STACK 0x6474e551 /* Indicate executable stack */
351 #define PT_GNU_RELRO 0x6474e552 /* Make read-only after relocation */
352
353 #define PT_HIOS 0x6fffffff
354 #define PT_LOPROC 0x70000000 /* Processor-specific range */
355 #define PT_HIPROC 0x7fffffff
356
357 #define PT_MIPS_REGINFO 0x70000000
358
359 /* p_flags */
360 #define PF_R 0x4 /* Segment is readable */
361 #define PF_W 0x2 /* Segment is writable */
362 #define PF_X 0x1 /* Segment is executable */
363
364 #define PF_MASKOS 0x0ff00000 /* Operating system specific values */
365 #define PF_MASKPROC 0xf0000000 /* Processor-specific values */
366
367 /* Extended program header index. */
368 #define PN_XNUM 0xffff
369
370 /*
371 * Section Headers
372 */
373 typedef struct {
374 Elf32_Word sh_name; /* section name (.shstrtab index) */
375 Elf32_Word sh_type; /* section type */
376 Elf32_Word sh_flags; /* section flags */
377 Elf32_Addr sh_addr; /* virtual address */
378 Elf32_Off sh_offset; /* file offset */
379 Elf32_Word sh_size; /* section size */
380 Elf32_Word sh_link; /* link to another */
381 Elf32_Word sh_info; /* misc info */
382 Elf32_Word sh_addralign; /* memory alignment */
383 Elf32_Word sh_entsize; /* table entry size */
384 } Elf32_Shdr;
385
386 typedef struct {
387 Elf64_Word sh_name; /* section name (.shstrtab index) */
388 Elf64_Word sh_type; /* section type */
389 Elf64_Xword sh_flags; /* section flags */
390 Elf64_Addr sh_addr; /* virtual address */
391 Elf64_Off sh_offset; /* file offset */
392 Elf64_Xword sh_size; /* section size */
393 Elf64_Word sh_link; /* link to another */
394 Elf64_Word sh_info; /* misc info */
395 Elf64_Xword sh_addralign; /* memory alignment */
396 Elf64_Xword sh_entsize; /* table entry size */
397 } Elf64_Shdr;
398
399 /* sh_type */
400 #define SHT_NULL 0 /* Section header table entry unused */
401 #define SHT_PROGBITS 1 /* Program information */
402 #define SHT_SYMTAB 2 /* Symbol table */
403 #define SHT_STRTAB 3 /* String table */
404 #define SHT_RELA 4 /* Relocation information w/ addend */
405 #define SHT_HASH 5 /* Symbol hash table */
406 #define SHT_DYNAMIC 6 /* Dynamic linking information */
407 #define SHT_NOTE 7 /* Auxiliary information */
408 #define SHT_NOBITS 8 /* No space allocated in file image */
409 #define SHT_REL 9 /* Relocation information w/o addend */
410 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
411 #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */
412 #define SHT_INIT_ARRAY 14 /* Initialization function pointers */
413 #define SHT_FINI_ARRAY 15 /* Termination function pointers */
414 #define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */
415 #define SHT_GROUP 17 /* Section group */
416 #define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */
417 #define SHT_NUM 19
418
419 #define SHT_LOOS 0x60000000 /* Operating system specific range */
420 #define SHT_SUNW_move 0x6ffffffa
421 #define SHT_SUNW_syminfo 0x6ffffffc
422 #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
423 #define SHT_GNU_verdef SHT_SUNW_verdef
424 #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
425 #define SHT_GNU_verneed SHT_SUNW_verneed
426 #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
427 #define SHT_GNU_versym SHT_SUNW_versym
428 #define SHT_HIOS 0x6fffffff
429 #define SHT_LOPROC 0x70000000 /* Processor-specific range */
430 #define SHT_AMD64_UNWIND 0x70000001 /* unwind information */
431 #define SHT_HIPROC 0x7fffffff
432 #define SHT_LOUSER 0x80000000 /* Application-specific range */
433 #define SHT_HIUSER 0xffffffff
434
435 /* sh_flags */
436 #define SHF_WRITE 0x1 /* Section contains writable data */
437 #define SHF_ALLOC 0x2 /* Section occupies memory */
438 #define SHF_EXECINSTR 0x4 /* Section contains executable insns */
439
440 #define SHF_MASKOS 0x0f000000 /* Operating system specific values */
441 #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
442
443 /*
444 * Symbol Table
445 */
446 typedef struct {
447 Elf32_Word st_name; /* Symbol name (.strtab index) */
448 Elf32_Word st_value; /* value of symbol */
449 Elf32_Word st_size; /* size of symbol */
450 Elf_Byte st_info; /* type / binding attrs */
451 Elf_Byte st_other; /* unused */
452 Elf32_Half st_shndx; /* section index of symbol */
453 } Elf32_Sym;
454
455 typedef struct {
456 Elf64_Word st_name; /* Symbol name (.strtab index) */
457 Elf_Byte st_info; /* type / binding attrs */
458 Elf_Byte st_other; /* unused */
459 Elf64_Half st_shndx; /* section index of symbol */
460 Elf64_Addr st_value; /* value of symbol */
461 Elf64_Xword st_size; /* size of symbol */
462 } Elf64_Sym;
463
464 /* Symbol Table index of the undefined symbol */
465 #define ELF_SYM_UNDEFINED 0
466
467 #define STN_UNDEF 0 /* undefined index */
468
469 /* st_info: Symbol Bindings */
470 #define STB_LOCAL 0 /* local symbol */
471 #define STB_GLOBAL 1 /* global symbol */
472 #define STB_WEAK 2 /* weakly defined global symbol */
473 #define STB_NUM 3
474
475 #define STB_LOOS 10 /* Operating system specific range */
476 #define STB_HIOS 12
477 #define STB_LOPROC 13 /* Processor-specific range */
478 #define STB_HIPROC 15
479
480 /* st_info: Symbol Types */
481 #define STT_NOTYPE 0 /* Type not specified */
482 #define STT_OBJECT 1 /* Associated with a data object */
483 #define STT_FUNC 2 /* Associated with a function */
484 #define STT_SECTION 3 /* Associated with a section */
485 #define STT_FILE 4 /* Associated with a file name */
486 #define STT_COMMON 5 /* Uninitialised common block */
487 #define STT_TLS 6 /* Thread local data object */
488 #define STT_NUM 7
489
490 #define STT_LOOS 10 /* Operating system specific range */
491 #define STT_HIOS 12
492 #define STT_LOPROC 13 /* Processor-specific range */
493 #define STT_HIPROC 15
494
495 /* st_other: Visibility Types */
496 #define STV_DEFAULT 0 /* use binding type */
497 #define STV_INTERNAL 1 /* not referenced from outside */
498 #define STV_HIDDEN 2 /* not visible, may be used via ptr */
499 #define STV_PROTECTED 3 /* visible, not preemptible */
500 #define STV_EXPORTED 4
501 #define STV_SINGLETON 5
502 #define STV_ELIMINATE 6
503
504 /* st_info/st_other utility macros */
505 #define ELF_ST_BIND(info) ((uint32_t)(info) >> 4)
506 #define ELF_ST_TYPE(info) ((uint32_t)(info) & 0xf)
507 #define ELF_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | \
508 ((type) & 0xf)))
509 #define ELF_ST_VISIBILITY(other) ((uint32_t)(other) & 3)
510
511 /*
512 * Special section indexes
513 */
514 #define SHN_UNDEF 0 /* Undefined section */
515
516 #define SHN_LORESERVE 0xff00 /* Reserved range */
517 #define SHN_ABS 0xfff1 /* Absolute symbols */
518 #define SHN_COMMON 0xfff2 /* Common symbols */
519 #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere */
520 #define SHN_HIRESERVE 0xffff
521
522 #define SHN_LOPROC 0xff00 /* Processor-specific range */
523 #define SHN_HIPROC 0xff1f
524 #define SHN_LOOS 0xff20 /* Operating system specific range */
525 #define SHN_HIOS 0xff3f
526
527 #define SHN_MIPS_ACOMMON 0xff00
528 #define SHN_MIPS_TEXT 0xff01
529 #define SHN_MIPS_DATA 0xff02
530 #define SHN_MIPS_SCOMMON 0xff03
531
532 /*
533 * Relocation Entries
534 */
535 typedef struct {
536 Elf32_Word r_offset; /* where to do it */
537 Elf32_Word r_info; /* index & type of relocation */
538 } Elf32_Rel;
539
540 typedef struct {
541 Elf32_Word r_offset; /* where to do it */
542 Elf32_Word r_info; /* index & type of relocation */
543 Elf32_Sword r_addend; /* adjustment value */
544 } Elf32_Rela;
545
546 /* r_info utility macros */
547 #define ELF32_R_SYM(info) ((info) >> 8)
548 #define ELF32_R_TYPE(info) ((info) & 0xff)
549 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
550
551 typedef struct {
552 Elf64_Addr r_offset; /* where to do it */
553 Elf64_Xword r_info; /* index & type of relocation */
554 } Elf64_Rel;
555
556 typedef struct {
557 Elf64_Addr r_offset; /* where to do it */
558 Elf64_Xword r_info; /* index & type of relocation */
559 Elf64_Sxword r_addend; /* adjustment value */
560 } Elf64_Rela;
561
562 /* r_info utility macros */
563 #define ELF64_R_SYM(info) ((info) >> 32)
564 #define ELF64_R_TYPE(info) ((info) & 0xffffffff)
565 #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
566
567 /*
568 * Move entries
569 */
570 typedef struct {
571 Elf32_Lword m_value; /* symbol value */
572 Elf32_Word m_info; /* size + index */
573 Elf32_Word m_poffset; /* symbol offset */
574 Elf32_Half m_repeat; /* repeat count */
575 Elf32_Half m_stride; /* stride info */
576 } Elf32_Move;
577
578 #define ELF32_M_SYM(info) ((info) >> 8)
579 #define ELF32_M_SIZE(info) ((info) & 0xff)
580 #define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
581
582 typedef struct {
583 Elf64_Lword m_value; /* symbol value */
584 Elf64_Xword m_info; /* size + index */
585 Elf64_Xword m_poffset; /* symbol offset */
586 Elf64_Word m_repeat; /* repeat count */
587 Elf64_Word m_stride; /* stride info */
588 } Elf64_Move;
589
590 #define ELF64_M_SYM(info) ((info) >> 8)
591 #define ELF64_M_SIZE(info) ((info) & 0xff)
592 #define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
593
594 /*
595 * Hardware/software capabilities entry
596 */
597 typedef struct {
598 Elf32_Word c_tag; /* entry tag value */
599 union {
600 Elf32_Addr c_ptr;
601 Elf32_Word c_val;
602 } c_un;
603 } Elf32_Cap;
604
605 typedef struct {
606 Elf64_Xword c_tag; /* entry tag value */
607 union {
608 Elf64_Addr c_ptr;
609 Elf64_Xword c_val;
610 } c_un;
611 } Elf64_Cap;
612
613 /*
614 * Dynamic Section structure array
615 */
616 typedef struct {
617 Elf32_Word d_tag; /* entry tag value */
618 union {
619 Elf32_Addr d_ptr;
620 Elf32_Word d_val;
621 } d_un;
622 } Elf32_Dyn;
623
624 typedef struct {
625 Elf64_Xword d_tag; /* entry tag value */
626 union {
627 Elf64_Addr d_ptr;
628 Elf64_Xword d_val;
629 } d_un;
630 } Elf64_Dyn;
631
632 /* d_tag */
633 #define DT_NULL 0 /* Marks end of dynamic array */
634 #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */
635 #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */
636 #define DT_PLTGOT 3 /* Address of PLT and/or GOT */
637 #define DT_HASH 4 /* Address of symbol hash table */
638 #define DT_STRTAB 5 /* Address of string table */
639 #define DT_SYMTAB 6 /* Address of symbol table */
640 #define DT_RELA 7 /* Address of Rela relocation table */
641 #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */
642 #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */
643 #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */
644 #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */
645 #define DT_INIT 12 /* Address of initialization function */
646 #define DT_FINI 13 /* Address of termination function */
647 #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */
648 #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */
649 #define DT_SYMBOLIC 16 /* Start symbol search within local object */
650 #define DT_REL 17 /* Address of Rel relocation table */
651 #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */
652 #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */
653 #define DT_PLTREL 20 /* Type of PLT relocation entries */
654 #define DT_DEBUG 21 /* Used for debugging; unspecified */
655 #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */
656 #define DT_JMPREL 23 /* Address of relocations associated with PLT */
657 #define DT_BIND_NOW 24 /* Process all relocations at load-time */
658 #define DT_INIT_ARRAY 25 /* Address of initialization function array */
659 #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */
660 #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */
661 #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/
662 #define DT_NUM 29
663
664 #define DT_LOOS 0x60000000 /* Operating system specific range */
665 #define DT_VERSYM 0x6ffffff0 /* Symbol versions */
666 #define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */
667 #define DT_VERDEF 0x6ffffffc /* Versions defined by file */
668 #define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */
669 #define DT_VERNEED 0x6ffffffe /* Versions needed by file */
670 #define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */
671 #define DT_HIOS 0x6fffffff
672 #define DT_LOPROC 0x70000000 /* Processor-specific range */
673 #define DT_HIPROC 0x7fffffff
674
675 /* Flag values for DT_FLAGS_1 (incomplete) */
676 #define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */
677 #define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */
678 #define DF_1_INITFIRST 0x00000020 /* Object's init/fini take priority */
679 #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */
680
681 /*
682 * Auxiliary Vectors
683 */
684 typedef struct {
685 Elf32_Word a_type; /* 32-bit id */
686 Elf32_Word a_v; /* 32-bit id */
687 } Aux32Info;
688
689 typedef struct {
690 Elf64_Word a_type; /* 32-bit id */
691 Elf64_Xword a_v; /* 64-bit id */
692 } Aux64Info;
693
694 /* a_type */
695 #define AT_NULL 0 /* Marks end of array */
696 #define AT_IGNORE 1 /* No meaning, a_un is undefined */
697 #define AT_EXECFD 2 /* Open file descriptor of object file */
698 #define AT_PHDR 3 /* &phdr[0] */
699 #define AT_PHENT 4 /* sizeof(phdr[0]) */
700 #define AT_PHNUM 5 /* # phdr entries */
701 #define AT_PAGESZ 6 /* PAGESIZE */
702 #define AT_BASE 7 /* Interpreter base addr */
703 #define AT_FLAGS 8 /* Processor flags */
704 #define AT_ENTRY 9 /* Entry address of executable */
705 #define AT_DCACHEBSIZE 10 /* Data cache block size */
706 #define AT_ICACHEBSIZE 11 /* Instruction cache block size */
707 #define AT_UCACHEBSIZE 12 /* Unified cache block size */
708
709 /* Vendor specific */
710 #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */
711
712 #define AT_EUID 2000 /* euid (solaris compatible numbers) */
713 #define AT_RUID 2001 /* ruid (solaris compatible numbers) */
714 #define AT_EGID 2002 /* egid (solaris compatible numbers) */
715 #define AT_RGID 2003 /* rgid (solaris compatible numbers) */
716
717 /* Solaris kernel specific */
718 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
719 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */
720 #define AT_SUN_LDNAME 2006 /* dynamic linker's name */
721 #define AT_SUN_LPGSIZE 2007 /* large pagesize */
722
723 /* Other information */
724 #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */
725 #define AT_SUN_HWCAP 2009 /* process hardware capabilities */
726 #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */
727 #define AT_SUN_CPU 2011 /* CPU name */
728 /* ibcs2 emulation band aid */
729 #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */
730 #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */
731 /* Executable's fully resolved name */
732 #define AT_SUN_EXECNAME 2014
733
734 /*
735 * Note Headers
736 */
737 typedef struct {
738 Elf32_Word n_namesz;
739 Elf32_Word n_descsz;
740 Elf32_Word n_type;
741 } Elf32_Nhdr;
742
743 typedef struct {
744 Elf64_Word n_namesz;
745 Elf64_Word n_descsz;
746 Elf64_Word n_type;
747 } Elf64_Nhdr;
748
749 #define ELF_NOTE_GNU_NAMESZ 4
750 #define ELF_NOTE_GNU_NAME "GNU\0"
751
752 /*
753 * GNU-specific note type: ABI tag
754 * name: GNU\0
755 * namesz: 4
756 * desc:
757 * word[0]: OS tag
758 * word[1]: major version
759 * word[2]: minor version
760 * word[3]: teeny version
761 * descsz: 16
762 */
763 /* GNU-specific note name and description sizes */
764 #define ELF_NOTE_TYPE_ABI_TAG 1
765 #define ELF_NOTE_ABI_NAME ELF_NOTE_GNU_NAME
766 #define ELF_NOTE_ABI_NAMESZ ELF_NOTE_GNU_NAMESZ
767 #define ELF_NOTE_ABI_DESCSZ 16
768 /* GNU-specific OS/version value stuff */
769 #define ELF_NOTE_ABI_OS_LINUX 0
770 #define ELF_NOTE_ABI_OS_HURD 1
771 #define ELF_NOTE_ABI_OS_SOLARIS 2
772 #define ELF_NOTE_ABI_OS_KFREEBSD 3
773 #define ELF_NOTE_ABI_OS_KNETBSD 4
774
775 /*
776 * GNU-specific note type: Hardware capabilities
777 * name: GNU\0
778 * namesz: 4
779 * desc:
780 * word[0]: Number of entries
781 * word[1]: Bitmask of enabled entries
782 * Followed by a byte id, and a NUL terminated string per entry
783 * descsz: variable
784 */
785 #define ELF_NOTE_TYPE_GNU_HWCAP 2
786
787 /*
788 * GNU-specific note type: Build ID generated by ld
789 * name: GNU\0
790 * desc:
791 * word[0..4] SHA1 [default]
792 * or
793 * word[0..3] md5 or uuid
794 * descsz: 16 or 20
795 */
796 #define ELF_NOTE_TYPE_GNU_BUILD_ID 3
797
798 /* SuSE-specific note type: version
799 * name: SuSE\0\0\0\0
800 * namesz: 8
801 * desc:
802 * word[0] = VVTTMMmm
803 *
804 * V = version of following data
805 * T = product type: [box, sles, nld, whatever]
806 * M = product major version
807 * m = product minor version
808 * descsz: 8
809 */
810 #define ELF_NOTE_TYPE_SUSE_TAG 0x45537553 /* SuSE in LE */
811 /* SuSE-specific note name and description sizes */
812 #define ELF_NOTE_SUSE_NAMESZ 8
813 #define ELF_NOTE_SUSE_DESCSZ 8
814 /* SuSE-specific note name */
815 #define ELF_NOTE_SUSE_NAME "SuSE\0\0\0\0"
816
817 /* NetBSD-specific note type: Emulation name.
818 * name: NetBSD\0\0
819 * namesz: 8
820 * desc:
821 * word[0]: MMmmrrpp00
822 *
823 * M = major version
824 * m = minor version
825 * r = release ["",A-Z,Z[A-Z] but numeric]
826 * p = patchlevel
827 * descsz: 4
828 */
829 #define ELF_NOTE_TYPE_NETBSD_TAG 1
830 /* NetBSD-specific note name and description sizes */
831 #define ELF_NOTE_NETBSD_NAMESZ 7
832 #define ELF_NOTE_NETBSD_DESCSZ 4
833 /* NetBSD-specific note name */
834 #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
835
836 /* NetBSD-specific note type: Checksum.
837 * There should be 1 NOTE per PT_LOAD section.
838 * name: ???
839 * namesz: ???
840 * desc:
841 * a tuple of <phnum>(16),<chk-type>(16),<chk-value>.
842 * descsz: ???
843 */
844 #define ELF_NOTE_TYPE_CHECKSUM_TAG 2
845 #define ELF_NOTE_CHECKSUM_CRC32 1
846 #define ELF_NOTE_CHECKSUM_MD5 2
847 #define ELF_NOTE_CHECKSUM_SHA1 3
848 #define ELF_NOTE_CHECKSUM_SHA256 4
849
850 /*
851 * NetBSD-specific note type: PaX.
852 * There should be 1 NOTE per executable.
853 * name: PaX\0
854 * namesz: 4
855 * desc:
856 * word[0]: capability bitmask
857 * descsz: 4
858 */
859 #define ELF_NOTE_TYPE_PAX_TAG 3
860 #define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */
861 #define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
862 #define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */
863 #define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Servguard */
864 #define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */
865 #define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */
866 #define ELF_NOTE_PAX_NAMESZ 4
867 #define ELF_NOTE_PAX_NAME "PaX\0"
868 #define ELF_NOTE_PAX_DESCSZ 4
869
870 /*
871 * NetBSD-specific core file information.
872 *
873 * NetBSD ELF core files use notes to provide information about
874 * the process's state. The note name is "NetBSD-CORE" for
875 * information that is global to the process, and "NetBSD-CORE@nn",
876 * where "nn" is the lwpid of the LWP that the information belongs
877 * to (such as register state).
878 *
879 * We use the following note identifiers:
880 *
881 * ELF_NOTE_NETBSD_CORE_PROCINFO
882 * Note is a "netbsd_elfcore_procinfo" structure.
883 *
884 * We also use ptrace(2) request numbers (the ones that exist in
885 * machine-dependent space) to identify register info notes. The
886 * info in such notes is in the same format that ptrace(2) would
887 * export that information.
888 *
889 * Please try to keep the members of this structure nicely aligned,
890 * and if you add elements, add them to the end and bump the version.
891 */
892
893 #define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE"
894
895 #define ELF_NOTE_NETBSD_CORE_PROCINFO 1
896
897 #define NETBSD_ELFCORE_PROCINFO_VERSION 1
898
899 struct netbsd_elfcore_procinfo {
900 /* Version 1 fields start here. */
901 uint32_t cpi_version; /* netbsd_elfcore_procinfo version */
902 uint32_t cpi_cpisize; /* sizeof(netbsd_elfcore_procinfo) */
903 uint32_t cpi_signo; /* killing signal */
904 uint32_t cpi_sigcode; /* signal code */
905 uint32_t cpi_sigpend[4]; /* pending signals */
906 uint32_t cpi_sigmask[4]; /* blocked signals */
907 uint32_t cpi_sigignore[4];/* blocked signals */
908 uint32_t cpi_sigcatch[4];/* blocked signals */
909 int32_t cpi_pid; /* process ID */
910 int32_t cpi_ppid; /* parent process ID */
911 int32_t cpi_pgrp; /* process group ID */
912 int32_t cpi_sid; /* session ID */
913 uint32_t cpi_ruid; /* real user ID */
914 uint32_t cpi_euid; /* effective user ID */
915 uint32_t cpi_svuid; /* saved user ID */
916 uint32_t cpi_rgid; /* real group ID */
917 uint32_t cpi_egid; /* effective group ID */
918 uint32_t cpi_svgid; /* saved group ID */
919 uint32_t cpi_nlwps; /* number of LWPs */
920 int8_t cpi_name[32]; /* copy of p->p_comm */
921 /* Add version 2 fields below here. */
922 int32_t cpi_siglwp; /* LWP target of killing signal */
923 };
924
925 #if !defined(ELFSIZE) && defined(ARCH_ELFSIZE)
926 #define ELFSIZE ARCH_ELFSIZE
927 #endif
928
929 #if defined(ELFSIZE)
930 #define CONCAT(x,y) __CONCAT(x,y)
931 #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
932 #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
933 #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
934 #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
935 #endif
936
937 #if defined(ELFSIZE) && (ELFSIZE == 32)
938 #define Elf_Ehdr Elf32_Ehdr
939 #define Elf_Phdr Elf32_Phdr
940 #define Elf_Shdr Elf32_Shdr
941 #define Elf_Sym Elf32_Sym
942 #define Elf_Rel Elf32_Rel
943 #define Elf_Rela Elf32_Rela
944 #define Elf_Dyn Elf32_Dyn
945 #define Elf_Word Elf32_Word
946 #define Elf_Sword Elf32_Sword
947 #define Elf_Half Elf32_Half
948 #define Elf_Addr Elf32_Addr
949 #define Elf_Off Elf32_Off
950 #define Elf_SOff Elf32_SOff
951 #define Elf_Nhdr Elf32_Nhdr
952 #define Elf_Verdef Elf32_Verdef
953 #define Elf_Verdaux Elf32_Verdaux
954 #define Elf_Verneed Elf32_Verneed
955 #define Elf_Vernaux Elf32_Vernaux
956 #define Elf_Versym Elf32_Versym
957
958 #define ELF_R_SYM ELF32_R_SYM
959 #define ELF_R_TYPE ELF32_R_TYPE
960 #define ELFCLASS ELFCLASS32
961
962 #define AuxInfo Aux32Info
963 #elif defined(ELFSIZE) && (ELFSIZE == 64)
964 #define Elf_Ehdr Elf64_Ehdr
965 #define Elf_Phdr Elf64_Phdr
966 #define Elf_Shdr Elf64_Shdr
967 #define Elf_Sym Elf64_Sym
968 #define Elf_Rel Elf64_Rel
969 #define Elf_Rela Elf64_Rela
970 #define Elf_Dyn Elf64_Dyn
971 #define Elf_Word Elf64_Word
972 #define Elf_Sword Elf64_Sword
973 #define Elf_Half Elf64_Half
974 #define Elf_Addr Elf64_Addr
975 #define Elf_Off Elf64_Off
976 #define Elf_SOff Elf64_SOff
977 #define Elf_Nhdr Elf64_Nhdr
978 #define Elf_Verdef Elf64_Verdef
979 #define Elf_Verdaux Elf64_Verdaux
980 #define Elf_Verneed Elf64_Verneed
981 #define Elf_Vernaux Elf64_Vernaux
982 #define Elf_Versym Elf64_Versym
983
984 #define ELF_R_SYM ELF64_R_SYM
985 #define ELF_R_TYPE ELF64_R_TYPE
986 #define ELFCLASS ELFCLASS64
987
988 #define AuxInfo Aux64Info
989 #endif
990
991 #ifndef Elf_Symindx
992 #define Elf_Symindx uint32_t
993 #endif
994
995 #define ELF32_ST_BIND(info) ELF_ST_BIND(info)
996 #define ELF32_ST_TYPE(info) ELF_ST_TYPE(info)
997 #define ELF32_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
998 #define ELF32_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
999
1000 #define ELF64_ST_BIND(info) ELF_ST_BIND(info)
1001 #define ELF64_ST_TYPE(info) ELF_ST_TYPE(info)
1002 #define ELF64_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
1003 #define ELF64_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
1004
1005 typedef struct {
1006 Elf32_Half si_boundto; /* direct bindings - symbol bound to */
1007 Elf32_Half si_flags; /* per symbol flags */
1008 } Elf32_Syminfo;
1009
1010 typedef struct {
1011 Elf64_Word si_boundto; /* direct bindings - symbol bound to */
1012 Elf64_Word si_flags; /* per symbol flags */
1013 } Elf64_Syminfo;
1014
1015 #define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association
1016 to object containing definition */
1017 #define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */
1018 #define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */
1019 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be
1020 lazily-loaded */
1021 #define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to
1022 object containing definition */
1023 #define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference
1024 directly bind to this symbol */
1025 #define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */
1026 #define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */
1027
1028 #define SYMINFO_BT_SELF 0xffff /* symbol bound to self */
1029 #define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */
1030 #define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */
1031 #define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */
1032 #define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */
1033
1034 #define SYMINFO_NONE 0 /* Syminfo version */
1035 #define SYMINFO_CURRENT 1
1036 #define SYMINFO_NUM 2
1037
1038 /*
1039 * These constants are used for Elf32_Verdef struct's version number.
1040 */
1041 #define VER_DEF_NONE 0
1042 #define VER_DEF_CURRENT 1
1043
1044 /*
1045 * These constants are used for Elf32_Verdef struct's vd_ndx.
1046 */
1047 #define VER_DEF_IDX(x) VER_NDX(x)
1048
1049 /*
1050 * These constants are used for Elf32_Verdef struct's vd_flags.
1051 */
1052 #define VER_FLG_BASE 0x1
1053 #define VER_FLG_WEAK 0x2
1054
1055 /*
1056 * These are used in an Elf32_Versym field.
1057 */
1058 #define VER_NDX_LOCAL 0
1059 #define VER_NDX_GLOBAL 1
1060 #define VER_NDX_GIVEN 2
1061
1062 /*
1063 * These constants are used for Elf32_Verneed struct's version number.
1064 */
1065 #define VER_NEED_NONE 0
1066 #define VER_NEED_CURRENT 1
1067
1068 /*
1069 * These constants are used for Elf32_Vernaux struct's vna_other.
1070 */
1071 #define VER_NEED_HIDDEN VER_NDX_HIDDEN
1072 #define VER_NEED_IDX(x) VER_NDX(x)
1073
1074 /* index */
1075 #define VER_NDX_HIDDEN 0x8000
1076 #define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN)
1077
1078 /*
1079 * GNU Extension hidding symbol
1080 */
1081 #define VERSYM_HIDDEN 0x8000
1082 #define VERSYM_VERSION 0x7fff
1083
1084 #define ELF_VER_CHR '@'
1085
1086 /*
1087 * These are current size independent.
1088 */
1089
1090 typedef struct {
1091 Elf32_Half vd_version; /* version number of structure */
1092 Elf32_Half vd_flags; /* flags (VER_FLG_*) */
1093 Elf32_Half vd_ndx; /* version index */
1094 Elf32_Half vd_cnt; /* number of verdaux entries */
1095 Elf32_Word vd_hash; /* hash of name */
1096 Elf32_Word vd_aux; /* offset to verdaux entries */
1097 Elf32_Word vd_next; /* offset to next verdef */
1098 } Elf32_Verdef;
1099 typedef Elf32_Verdef Elf64_Verdef;
1100
1101 typedef struct {
1102 Elf32_Word vda_name; /* string table offset of name */
1103 Elf32_Word vda_next; /* offset to verdaux */
1104 } Elf32_Verdaux;
1105 typedef Elf32_Verdaux Elf64_Verdaux;
1106
1107 typedef struct {
1108 Elf32_Half vn_version; /* version number of structure */
1109 Elf32_Half vn_cnt; /* number of vernaux entries */
1110 Elf32_Word vn_file; /* string table offset of library name*/
1111 Elf32_Word vn_aux; /* offset to vernaux entries */
1112 Elf32_Word vn_next; /* offset to next verneed */
1113 } Elf32_Verneed;
1114 typedef Elf32_Verneed Elf64_Verneed;
1115
1116 typedef struct {
1117 Elf32_Word vna_hash; /* Hash of dependency name */
1118 Elf32_Half vna_flags; /* flags (VER_FLG_*) */
1119 Elf32_Half vna_other; /* unused */
1120 Elf32_Word vna_name; /* string table offset to version name*/
1121 Elf32_Word vna_next; /* offset to next vernaux */
1122 } Elf32_Vernaux;
1123 typedef Elf32_Vernaux Elf64_Vernaux;
1124
1125 typedef struct {
1126 Elf32_Half vs_vers;
1127 } Elf32_Versym;
1128 typedef Elf32_Versym Elf64_Versym;
1129
1130 #ifdef _KERNEL
1131
1132 #define ELF_AUX_ENTRIES 14 /* Max size of aux array passed to loader */
1133 #define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
1134 #define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
1135 #define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
1136 #define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
1137
1138 #if defined(ELFSIZE) && (ELFSIZE == 64)
1139 #define ELF_NO_ADDR ELF64_NO_ADDR
1140 #define ELF_LINK_ADDR ELF64_LINK_ADDR
1141 #elif defined(ELFSIZE) && (ELFSIZE == 32)
1142 #define ELF_NO_ADDR ELF32_NO_ADDR
1143 #define ELF_LINK_ADDR ELF32_LINK_ADDR
1144 #endif
1145
1146 #ifndef ELF32_EHDR_FLAGS_OK
1147 #define ELF32_EHDR_FLAGS_OK(eh) 1
1148 #endif
1149
1150 #ifndef ELF64_EHDR_FLAGS_OK
1151 #define ELF64_EHDR_FLAGS_OK(eh) 1
1152 #endif
1153
1154 #if defined(ELFSIZE) && (ELFSIZE == 64)
1155 #define ELF_EHDR_FLAGS_OK(eh) ELF64_EHDR_FLAGS_OK(eh)
1156 #else
1157 #define ELF_EHDR_FLAGS_OK(eh) ELF32_EHDR_FLAGS_OK(eh)
1158 #endif
1159
1160 #if defined(ELFSIZE)
1161 struct elf_args {
1162 Elf_Addr arg_entry; /* program entry point */
1163 Elf_Addr arg_interp; /* Interpreter load address */
1164 Elf_Addr arg_phaddr; /* program header address */
1165 Elf_Addr arg_phentsize; /* Size of program header */
1166 Elf_Addr arg_phnum; /* Number of program headers */
1167 };
1168 #endif
1169
1170 #ifdef _KERNEL_OPT
1171 #include "opt_execfmt.h"
1172 #endif
1173
1174 struct ps_strings;
1175
1176 #ifdef EXEC_ELF32
1177 int exec_elf32_makecmds(struct lwp *, struct exec_package *);
1178 int elf32_copyargs(struct lwp *, struct exec_package *,
1179 struct ps_strings *, char **, void *);
1180
1181 int coredump_elf32(struct lwp *, void *);
1182 int coredump_writenote_elf32(struct proc *, void *, Elf32_Nhdr *,
1183 const char *, void *);
1184
1185 int elf32_check_header(Elf32_Ehdr *, int);
1186 #endif
1187
1188 #ifdef EXEC_ELF64
1189 int exec_elf64_makecmds(struct lwp *, struct exec_package *);
1190 int elf64_copyargs(struct lwp *, struct exec_package *,
1191 struct ps_strings *, char **, void *);
1192
1193 int coredump_elf64(struct lwp *, void *);
1194 int coredump_writenote_elf64(struct proc *, void *, Elf64_Nhdr *,
1195 const char *, void *);
1196
1197 int elf64_check_header(Elf64_Ehdr *, int);
1198 #endif
1199
1200 #endif /* _KERNEL */
1201
1202 #endif /* !_SYS_EXEC_ELF_H_ */
MINIX 3 (repo.or.cz mirror)