RTEMS: cpukit/include/sys/exec_elf.h Source File

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exec_elf.h
1/* $NetBSD: exec_elf.h,v 1.102 2010/03/01 11:27:29 skrll 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 defined(ELFSIZE)
50#define CONCAT(x,y) __CONCAT(x,y)
51#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
52#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
53#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
54#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
55#endif
56
57#if HAVE_NBTOOL_CONFIG_H
58#include <nbinclude/machine/elf_machdep.h>
59#else
60#include <machine/elf_machdep.h>
61#endif
62
63typedef uint8_t Elf_Byte;
64
65typedef uint32_t Elf32_Addr;
66#define ELF32_FSZ_ADDR 4
67typedef uint32_t Elf32_Off;
68typedef int32_t Elf32_SOff;
69#define ELF32_FSZ_OFF 4
70typedef int32_t Elf32_Sword;
71#define ELF32_FSZ_SWORD 4
72typedef uint32_t Elf32_Word;
73#define ELF32_FSZ_WORD 4
74typedef uint16_t Elf32_Half;
75#define ELF32_FSZ_HALF 2
76typedef uint64_t Elf32_Lword;
77#define ELF32_FSZ_LWORD 8
78
79typedef uint64_t Elf64_Addr;
80#define ELF64_FSZ_ADDR 8
81typedef uint64_t Elf64_Off;
82typedef int64_t Elf64_SOff;
83#define ELF64_FSZ_OFF 8
84typedef int32_t Elf64_Shalf;
85#define ELF64_FSZ_SHALF 4
86
87#ifndef ELF64_FSZ_SWORD
88typedef int32_t Elf64_Sword;
89#define ELF64_FSZ_SWORD 4
90#endif /* ELF64_FSZ_SWORD */
91#ifndef ELF64_FSZ_WORD
92typedef uint32_t Elf64_Word;
93#define ELF64_FSZ_WORD 4
94#endif /* ELF64_FSZ_WORD */
95
96typedef int64_t Elf64_Sxword;
97#define ELF64_FSZ_SXWORD 8
98typedef uint64_t Elf64_Xword;
99#define ELF64_FSZ_XWORD 8
100typedef uint64_t Elf64_Lword;
101#define ELF64_FSZ_LWORD 8
102typedef uint32_t Elf64_Half;
103#define ELF64_FSZ_HALF 4
104typedef uint16_t Elf64_Quarter;
105#define ELF64_FSZ_QUARTER 2
106
107/*
108 * ELF Header
109 */
110#define ELF_NIDENT 16
111
112 typedef struct {
113 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
114 Elf32_Half e_type; /* file type */
115 Elf32_Half e_machine; /* machine type */
116 Elf32_Word e_version; /* version number */
117 Elf32_Addr e_entry; /* entry point */
118 Elf32_Off e_phoff; /* Program hdr offset */
119 Elf32_Off e_shoff; /* Section hdr offset */
120 Elf32_Word e_flags; /* Processor flags */
121 Elf32_Half e_ehsize; /* sizeof ehdr */
122 Elf32_Half e_phentsize; /* Program header entry size */
123 Elf32_Half e_phnum; /* Number of program headers */
124 Elf32_Half e_shentsize; /* Section header entry size */
125 Elf32_Half e_shnum; /* Number of section headers */
126 Elf32_Half e_shstrndx; /* String table index */
127} Elf32_Ehdr;
128
129 typedef struct {
130 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */
131 Elf64_Quarter e_type; /* file type */
132 Elf64_Quarter e_machine; /* machine type */
133 Elf64_Half e_version; /* version number */
134 Elf64_Addr e_entry; /* entry point */
135 Elf64_Off e_phoff; /* Program hdr offset */
136 Elf64_Off e_shoff; /* Section hdr offset */
137 Elf64_Half e_flags; /* Processor flags */
138 Elf64_Quarter e_ehsize; /* sizeof ehdr */
139 Elf64_Quarter e_phentsize; /* Program header entry size */
140 Elf64_Quarter e_phnum; /* Number of program headers */
141 Elf64_Quarter e_shentsize; /* Section header entry size */
142 Elf64_Quarter e_shnum; /* Number of section headers */
143 Elf64_Quarter e_shstrndx; /* String table index */
144} Elf64_Ehdr;
145
146/* e_ident offsets */
147#define EI_MAG0 0 /* '\177' */
148#define EI_MAG1 1 /* 'E' */
149#define EI_MAG2 2 /* 'L' */
150#define EI_MAG3 3 /* 'F' */
151#define EI_CLASS 4 /* File class */
152#define EI_DATA 5 /* Data encoding */
153#define EI_VERSION 6 /* File version */
154#define EI_OSABI 7 /* Operating system/ABI identification */
155#define EI_ABIVERSION 8 /* ABI version */
156#define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/
157#define EI_NIDENT 16 /* First non-ident header byte */
158
159/* e_ident[EI_MAG0,EI_MAG3] */
160#define ELFMAG0 0x7f
161#define ELFMAG1 'E'
162#define ELFMAG2 'L'
163#define ELFMAG3 'F'
164#define ELFMAG "\177ELF"
165#define SELFMAG 4
166
167/* e_ident[EI_CLASS] */
168#define ELFCLASSNONE 0 /* Invalid class */
169#define ELFCLASS32 1 /* 32-bit objects */
170#define ELFCLASS64 2 /* 64-bit objects */
171#define ELFCLASSNUM 3
172
173/* e_ident[EI_DATA] */
174#define ELFDATANONE 0 /* Invalid data encoding */
175#define ELFDATA2LSB 1 /* 2's complement values, LSB first */
176#define ELFDATA2MSB 2 /* 2's complement values, MSB first */
177
178/* e_ident[EI_VERSION] */
179#define EV_NONE 0 /* Invalid version */
180#define EV_CURRENT 1 /* Current version */
181#define EV_NUM 2
182
183/* e_ident[EI_OSABI] */
184#define ELFOSABI_SYSV 0 /* UNIX System V ABI */
185#define ELFOSABI_HPUX 1 /* HP-UX operating system */
186#define ELFOSABI_NETBSD 2 /* NetBSD */
187#define ELFOSABI_LINUX 3 /* GNU/Linux */
188#define ELFOSABI_HURD 4 /* GNU/Hurd */
189#define ELFOSABI_86OPEN 5 /* 86Open */
190#define ELFOSABI_SOLARIS 6 /* Solaris */
191#define ELFOSABI_MONTEREY 7 /* Monterey */
192#define ELFOSABI_IRIX 8 /* IRIX */
193#define ELFOSABI_FREEBSD 9 /* FreeBSD */
194#define ELFOSABI_TRU64 10 /* TRU64 UNIX */
195#define ELFOSABI_MODESTO 11 /* Novell Modesto */
196#define ELFOSABI_OPENBSD 12 /* OpenBSD */
197#define ELFOSABI_OPENVMS 13 /* OpenVMS */
198#define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
199#define ELFOSABI_AROS 15 /* Amiga Research OS */
200/* Unofficial OSABIs follow */
201#define ELFOSABI_ARM 97 /* ARM */
202#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
203
204#define ELFOSABI_NONE ELFOSABI_SYSV
205#define ELFOSABI_AIX ELFOSABI_MONTEREY
206
207/* e_type */
208#define ET_NONE 0 /* No file type */
209#define ET_REL 1 /* Relocatable file */
210#define ET_EXEC 2 /* Executable file */
211#define ET_DYN 3 /* Shared object file */
212#define ET_CORE 4 /* Core file */
213#define ET_NUM 5
214
215#define ET_LOOS 0xfe00 /* Operating system specific range */
216#define ET_HIOS 0xfeff
217#define ET_LOPROC 0xff00 /* Processor-specific range */
218#define ET_HIPROC 0xffff
219
220/* e_machine */
221#define EM_NONE 0 /* No machine */
222#define EM_M32 1 /* AT&T WE 32100 */
223#define EM_SPARC 2 /* SPARC */
224#define EM_386 3 /* Intel 80386 */
225#define EM_68K 4 /* Motorola 68000 */
226#define EM_88K 5 /* Motorola 88000 */
227#define EM_486 6 /* Intel 80486 */
228#define EM_860 7 /* Intel 80860 */
229#define EM_MIPS 8 /* MIPS I Architecture */
230#define EM_S370 9 /* Amdahl UTS on System/370 */
231#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
232 /* 11-14 - Reserved */
233#define EM_RS6000 11 /* IBM RS/6000 XXX reserved */
234#define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
235#define EM_NCUBE 16 /* NCube XXX reserved */
236#define EM_VPP500 17 /* Fujitsu VPP500 */
237#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
238#define EM_960 19 /* Intel 80960 */
239#define EM_PPC 20 /* PowerPC */
240#define EM_PPC64 21 /* 64-bit PowerPC */
241 /* 22-35 - Reserved */
242#define EM_S390 22 /* System/390 XXX reserved */
243#define EM_V800 36 /* NEC V800 */
244#define EM_FR20 37 /* Fujitsu FR20 */
245#define EM_RH32 38 /* TRW RH-32 */
246#define EM_RCE 39 /* Motorola RCE */
247#define EM_ARM 40 /* Advanced RISC Machines ARM */
248#define EM_ALPHA 41 /* DIGITAL Alpha */
249#define EM_SH 42 /* Hitachi Super-H */
250#define EM_SPARCV9 43 /* SPARC Version 9 */
251#define EM_TRICORE 44 /* Siemens Tricore */
252#define EM_ARC 45 /* Argonaut RISC Core */
253#define EM_H8_300 46 /* Hitachi H8/300 */
254#define EM_H8_300H 47 /* Hitachi H8/300H */
255#define EM_H8S 48 /* Hitachi H8S */
256#define EM_H8_500 49 /* Hitachi H8/500 */
257#define EM_IA_64 50 /* Intel Merced Processor */
258#define EM_MIPS_X 51 /* Stanford MIPS-X */
259#define EM_COLDFIRE 52 /* Motorola Coldfire */
260#define EM_68HC12 53 /* Motorola MC68HC12 */
261#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
262#define EM_PCP 55 /* Siemens PCP */
263#define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
264#define EM_NDR1 57 /* Denso NDR1 microprocessor */
265#define EM_STARCORE 58 /* Motorola Star*Core processor */
266#define EM_ME16 59 /* Toyota ME16 processor */
267#define EM_ST100 60 /* STMicroelectronics ST100 processor */
268#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */
269#define EM_X86_64 62 /* AMD x86-64 architecture */
270#define EM_PDSP 63 /* Sony DSP Processor */
271#define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
272#define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
273#define EM_FX66 66 /* Siemens FX66 microcontroller */
274#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
275#define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
276#define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
277#define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
278#define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
279#define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
280#define EM_SVX 73 /* Silicon Graphics SVx */
281#define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */
282#define EM_VAX 75 /* Digital VAX */
283#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
284#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */
285#define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
286#define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
287#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
288#define EM_HUANY 81 /* Harvard's machine-independent format */
289#define EM_PRISM 82 /* SiTera Prism */
290#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
291#define EM_FR30 84 /* Fujitsu FR30 */
292#define EM_D10V 85 /* Mitsubishi D10V */
293#define EM_D30V 86 /* Mitsubishi D30V */
294#define EM_V850 87 /* NEC v850 */
295#define EM_M32R 88 /* Mitsubishi M32R */
296#define EM_MN10300 89 /* Matsushita MN10300 */
297#define EM_MN10200 90 /* Matsushita MN10200 */
298#define EM_PJ 91 /* picoJava */
299#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
300#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
301#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
302#define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
303#define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
304#define EM_NS32K 97 /* National Semiconductor 32000 series */
305#define EM_TPC 98 /* Tenor Network TPC processor */
306#define EM_SNP1K 99 /* Trebia SNP 1000 processor */
307#define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */
308#define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */
309#define EM_MAX 102 /* MAX processor */
310#define EM_CR 103 /* National Semiconductor CompactRISC micorprocessor */
311#define EM_F2MC16 104 /* Fujitsu F2MC16 */
312#define EM_MSP430 105 /* Texas Instruments MSP430 */
313#define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */
314#define EM_SE_C33 107 /* Seiko Epson S1C33 family */
315#define EM_SEP 108 /* Sharp embedded microprocessor */
316#define EM_ARCA 109 /* Arca RISC microprocessor */
317#define EM_UNICORE 110 /* UNICORE from PKU-Unity Ltd. and MPRC Peking University */
318#define EM_EXCESS 111 /* eXcess: 16/32/64-bit configurable embedded CPU */
319#define EM_DXP 112 /* Icera Semiconductor Inc. Deep Execution Processor */
320#define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */
321#define EM_CRX 114 /* National Semiconductor CRX */
322#define EM_XGATE 115 /* Motorola XGATE embedded processor */
323#define EM_C166 116 /* Infineon C16x/XC16x processor */
324#define EM_M16C 117 /* Renesas M16C series microprocessors */
325#define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F Digital Signal Controller */
326#define EM_CE 119 /* Freescale Communication Engine RISC core */
327#define EM_M32C 120 /* Renesas M32C series microprocessors */
328
329#define EM_LATTICEMICO32 138 /* RICS processor for Lattice FPGA architecture */
330
331#define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */
332
333#define EM_MOXIE 0xFEED
334
335/* Unofficial machine types follow */
336#define EM_AVR32 6317 /* used by NetBSD/avr32 */
337#define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */
338#define EM_NUM 36903
339
340/*
341 * Program Header
342 */
343 typedef struct {
344 Elf32_Word p_type; /* entry type */
345 Elf32_Off p_offset; /* offset */
346 Elf32_Addr p_vaddr; /* virtual address */
347 Elf32_Addr p_paddr; /* physical address */
348 Elf32_Word p_filesz; /* file size */
349 Elf32_Word p_memsz; /* memory size */
350 Elf32_Word p_flags; /* flags */
351 Elf32_Word p_align; /* memory & file alignment */
352} Elf32_Phdr;
353
354 typedef struct {
355 Elf64_Half p_type; /* entry type */
356 Elf64_Half p_flags; /* flags */
357 Elf64_Off p_offset; /* offset */
358 Elf64_Addr p_vaddr; /* virtual address */
359 Elf64_Addr p_paddr; /* physical address */
360 Elf64_Xword p_filesz; /* file size */
361 Elf64_Xword p_memsz; /* memory size */
362 Elf64_Xword p_align; /* memory & file alignment */
363} Elf64_Phdr;
364
365/* p_type */
366#define PT_NULL 0 /* Program header table entry unused */
367#define PT_LOAD 1 /* Loadable program segment */
368#define PT_DYNAMIC 2 /* Dynamic linking information */
369#define PT_INTERP 3 /* Program interpreter */
370#define PT_NOTE 4 /* Auxiliary information */
371#define PT_SHLIB 5 /* Reserved, unspecified semantics */
372#define PT_PHDR 6 /* Entry for header table itself */
373#define PT_NUM 7
374
375#define PT_LOOS 0x60000000 /* OS-specific range */
376#define PT_HIOS 0x6fffffff
377#define PT_LOPROC 0x70000000 /* Processor-specific range */
378#define PT_HIPROC 0x7fffffff
379
380#define PT_MIPS_REGINFO 0x70000000
381
382/* p_flags */
383#define PF_R 0x4 /* Segment is readable */
384#define PF_W 0x2 /* Segment is writable */
385#define PF_X 0x1 /* Segment is executable */
386
387#define PF_MASKOS 0x0ff00000 /* Operating system specific values */
388#define PF_MASKPROC 0xf0000000 /* Processor-specific values */
389
390/* Extended program header index. */
391#define PN_XNUM 0xffff
392
393/*
394 * Section Headers
395 */
396 typedef struct {
397 Elf32_Word sh_name; /* section name (.shstrtab index) */
398 Elf32_Word sh_type; /* section type */
399 Elf32_Word sh_flags; /* section flags */
400 Elf32_Addr sh_addr; /* virtual address */
401 Elf32_Off sh_offset; /* file offset */
402 Elf32_Word sh_size; /* section size */
403 Elf32_Word sh_link; /* link to another */
404 Elf32_Word sh_info; /* misc info */
405 Elf32_Word sh_addralign; /* memory alignment */
406 Elf32_Word sh_entsize; /* table entry size */
407} Elf32_Shdr;
408
409 typedef struct {
410 Elf64_Half sh_name; /* section name (.shstrtab index) */
411 Elf64_Half sh_type; /* section type */
412 Elf64_Xword sh_flags; /* section flags */
413 Elf64_Addr sh_addr; /* virtual address */
414 Elf64_Off sh_offset; /* file offset */
415 Elf64_Xword sh_size; /* section size */
416 Elf64_Half sh_link; /* link to another */
417 Elf64_Half sh_info; /* misc info */
418 Elf64_Xword sh_addralign; /* memory alignment */
419 Elf64_Xword sh_entsize; /* table entry size */
420} Elf64_Shdr;
421
422/* sh_type */
423#define SHT_NULL 0 /* Section header table entry unused */
424#define SHT_PROGBITS 1 /* Program information */
425#define SHT_SYMTAB 2 /* Symbol table */
426#define SHT_STRTAB 3 /* String table */
427#define SHT_RELA 4 /* Relocation information w/ addend */
428#define SHT_HASH 5 /* Symbol hash table */
429#define SHT_DYNAMIC 6 /* Dynamic linking information */
430#define SHT_NOTE 7 /* Auxiliary information */
431#define SHT_NOBITS 8 /* No space allocated in file image */
432#define SHT_REL 9 /* Relocation information w/o addend */
433#define SHT_SHLIB 10 /* Reserved, unspecified semantics */
434#define SHT_DYNSYM 11 /* Symbol table for dynamic linker */
435#define SHT_INIT_ARRAY 14 /* Initialization function pointers */
436#define SHT_FINI_ARRAY 15 /* Termination function pointers */
437#define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */
438#define SHT_GROUP 17 /* Section group */
439#define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */
440#define SHT_NUM 19
441
442#define SHT_LOOS 0x60000000 /* Operating system specific range */
443#define SHT_SUNW_move 0x6ffffffa
444#define SHT_SUNW_syminfo 0x6ffffffc
445#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
446#define SHT_GNU_verdef SHT_SUNW_verdef
447#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
448#define SHT_GNU_verneed SHT_SUNW_verneed
449#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
450#define SHT_GNU_versym SHT_SUNW_versym
451#define SHT_HIOS 0x6fffffff
452#define SHT_LOPROC 0x70000000 /* Processor-specific range */
453#define SHT_AMD64_UNWIND 0x70000001 /* unwind information */
454#define SHT_HIPROC 0x7fffffff
455#define SHT_LOUSER 0x80000000 /* Application-specific range */
456#define SHT_HIUSER 0xffffffff
457
458/* sh_flags */
459#define SHF_WRITE 0x1 /* Section contains writable data */
460#define SHF_ALLOC 0x2 /* Section occupies memory */
461#define SHF_EXECINSTR 0x4 /* Section contains executable insns */
462#define SHF_MERGE 0x10 /* Section contains data that can be merged */
463#define SHF_STRINGS 0x20 /* Section contains null-terminated strings */
464#define SHF_INFO_LINK 0x40 /* Section header's sh_info holds table index */
465#define SHF_LINK_ORDER 0x80 /* Section has special ordering requirements */
466
467#define SHF_MASKOS 0x0f000000 /* Operating system specific values */
468#define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
469
470/*
471 * Symbol Table
472 */
473 typedef struct {
474 Elf32_Word st_name; /* Symbol name (.strtab index) */
475 Elf32_Word st_value; /* value of symbol */
476 Elf32_Word st_size; /* size of symbol */
477 Elf_Byte st_info; /* type / binding attrs */
478 Elf_Byte st_other; /* unused */
479 Elf32_Half st_shndx; /* section index of symbol */
480} Elf32_Sym;
481
482 typedef struct {
483 Elf64_Half st_name; /* Symbol name (.strtab index) */
484 Elf_Byte st_info; /* type / binding attrs */
485 Elf_Byte st_other; /* unused */
486 Elf64_Quarter st_shndx; /* section index of symbol */
487 Elf64_Addr st_value; /* value of symbol */
488 Elf64_Xword st_size; /* size of symbol */
489} Elf64_Sym;
490
491/* Symbol Table index of the undefined symbol */
492#define ELF_SYM_UNDEFINED 0
493
494#define STN_UNDEF 0 /* undefined index */
495
496/* st_info: Symbol Bindings */
497#define STB_LOCAL 0 /* local symbol */
498#define STB_GLOBAL 1 /* global symbol */
499#define STB_WEAK 2 /* weakly defined global symbol */
500#define STB_NUM 3
501
502#define STB_LOOS 10 /* Operating system specific range */
503#define STB_HIOS 12
504#define STB_LOPROC 13 /* Processor-specific range */
505#define STB_HIPROC 15
506
507/* st_info: Symbol Types */
508#define STT_NOTYPE 0 /* Type not specified */
509#define STT_OBJECT 1 /* Associated with a data object */
510#define STT_FUNC 2 /* Associated with a function */
511#define STT_SECTION 3 /* Associated with a section */
512#define STT_FILE 4 /* Associated with a file name */
513#define STT_COMMON 5 /* Uninitialised common block */
514#define STT_TLS 6 /* Thread local data object */
515#define STT_NUM 7
516
517#define STT_LOOS 10 /* Operating system specific range */
518#define STT_HIOS 12
519#define STT_LOPROC 13 /* Processor-specific range */
520#define STT_HIPROC 15
521
522/* st_other: Visibility Types */
523#define STV_DEFAULT 0 /* use binding type */
524#define STV_INTERNAL 1 /* not referenced from outside */
525#define STV_HIDDEN 2 /* not visible, may be used via ptr */
526#define STV_PROTECTED 3 /* visible, not preemptible */
527#define STV_EXPORTED 4
528#define STV_SINGLETON 5
529#define STV_ELIMINATE 6
530
531/* st_info/st_other utility macros */
532#define ELF_ST_BIND(info) ((uint32_t)(info) >> 4)
533#define ELF_ST_TYPE(info) ((uint32_t)(info) & 0xf)
534#define ELF_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | \
535 ((type) & 0xf)))
536#define ELF_ST_VISIBILITY(other) ((uint32_t)(other) & 3)
537
538/*
539 * Special section indexes
540 */
541#define SHN_UNDEF 0 /* Undefined section */
542
543#define SHN_LORESERVE 0xff00 /* Reserved range */
544#define SHN_ABS 0xfff1 /* Absolute symbols */
545#define SHN_COMMON 0xfff2 /* Common symbols */
546#define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere */
547#define SHN_HIRESERVE 0xffff
548
549#define SHN_LOPROC 0xff00 /* Processor-specific range */
550#define SHN_HIPROC 0xff1f
551#define SHN_LOOS 0xff20 /* Operating system specific range */
552#define SHN_HIOS 0xff3f
553
554#define SHN_MIPS_ACOMMON 0xff00
555#define SHN_MIPS_TEXT 0xff01
556#define SHN_MIPS_DATA 0xff02
557#define SHN_MIPS_SCOMMON 0xff03
558
559/*
560 * Relocation Entries
561 */
562 typedef struct {
563 Elf32_Word r_offset; /* where to do it */
564 Elf32_Word r_info; /* index & type of relocation */
565} Elf32_Rel;
566
567 typedef struct {
568 Elf32_Word r_offset; /* where to do it */
569 Elf32_Word r_info; /* index & type of relocation */
570 Elf32_Sword r_addend; /* adjustment value */
571} Elf32_Rela;
572
573/* r_info utility macros */
574#define ELF32_R_SYM(info) ((info) >> 8)
575#define ELF32_R_TYPE(info) ((info) & 0xff)
576#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
577
578 typedef struct {
579 Elf64_Addr r_offset; /* where to do it */
580 Elf64_Xword r_info; /* index & type of relocation */
581} Elf64_Rel;
582
583 typedef struct {
584 Elf64_Addr r_offset; /* where to do it */
585 Elf64_Xword r_info; /* index & type of relocation */
586 Elf64_Sxword r_addend; /* adjustment value */
587} Elf64_Rela;
588
589/* r_info utility macros */
590#define ELF64_R_SYM(info) ((info) >> 32)
591#define ELF64_R_TYPE(info) ((info) & 0xffffffff)
592#define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
593
594/*
595 * Move entries
596 */
597 typedef struct {
598 Elf32_Lword m_value; /* symbol value */
599 Elf32_Word m_info; /* size + index */
600 Elf32_Word m_poffset; /* symbol offset */
601 Elf32_Half m_repeat; /* repeat count */
602 Elf32_Half m_stride; /* stride info */
603} Elf32_Move;
604
605#define ELF32_M_SYM(info) ((info) >> 8)
606#define ELF32_M_SIZE(info) (info) & 0xff)
607#define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
608
609 typedef struct {
610 Elf64_Lword m_value; /* symbol value */
611 Elf64_Xword m_info; /* size + index */
612 Elf64_Xword m_poffset; /* symbol offset */
613 Elf64_Half m_repeat; /* repeat count */
614 Elf64_Half m_stride; /* stride info */
615} Elf64_Move;
616
617#define ELF64_M_SYM(info) ((info) >> 8)
618#define ELF64_M_SIZE(info) (info) & 0xff)
619#define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
620
621/*
622 * Hardware/software capabilities entry
623 */
624 typedef struct {
625 Elf32_Word c_tag; /* entry tag value */
626 union {
627 Elf32_Addr c_ptr;
628 Elf32_Word c_val;
629 } c_un;
630} Elf32_Cap;
631
632 typedef struct {
633 Elf64_Xword c_tag; /* entry tag value */
634 union {
635 Elf64_Addr c_ptr;
636 Elf64_Xword c_val;
637 } c_un;
638} Elf64_Cap;
639
640/*
641 * Dynamic Section structure array
642 */
643 typedef struct {
644 Elf32_Word d_tag; /* entry tag value */
645 union {
646 Elf32_Addr d_ptr;
647 Elf32_Word d_val;
648 } d_un;
649} Elf32_Dyn;
650
651 typedef struct {
652 Elf64_Xword d_tag; /* entry tag value */
653 union {
654 Elf64_Addr d_ptr;
655 Elf64_Xword d_val;
656 } d_un;
657} Elf64_Dyn;
658
659/* d_tag */
660#define DT_NULL 0 /* Marks end of dynamic array */
661#define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */
662#define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */
663#define DT_PLTGOT 3 /* Address of PLT and/or GOT */
664#define DT_HASH 4 /* Address of symbol hash table */
665#define DT_STRTAB 5 /* Address of string table */
666#define DT_SYMTAB 6 /* Address of symbol table */
667#define DT_RELA 7 /* Address of Rela relocation table */
668#define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */
669#define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */
670#define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */
671#define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */
672#define DT_INIT 12 /* Address of initialization function */
673#define DT_FINI 13 /* Address of termination function */
674#define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */
675#define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */
676#define DT_SYMBOLIC 16 /* Start symbol search within local object */
677#define DT_REL 17 /* Address of Rel relocation table */
678#define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */
679#define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */
680#define DT_PLTREL 20 /* Type of PLT relocation entries */
681#define DT_DEBUG 21 /* Used for debugging; unspecified */
682#define DT_TEXTREL 22 /* Relocations might modify non-writable seg */
683#define DT_JMPREL 23 /* Address of relocations associated with PLT */
684#define DT_BIND_NOW 24 /* Process all relocations at load-time */
685#define DT_INIT_ARRAY 25 /* Address of initialization function array */
686#define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */
687#define DT_INIT_ARRAYSZ 27 /* Address of termination function array */
688#define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/
689#define DT_NUM 29
690
691#define DT_LOOS 0x60000000 /* Operating system specific range */
692#define DT_VERSYM 0x6ffffff0 /* Symbol versions */
693#define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */
694#define DT_VERDEF 0x6ffffffc /* Versions defined by file */
695#define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */
696#define DT_VERNEED 0x6ffffffe /* Versions needed by file */
697#define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */
698#define DT_HIOS 0x6fffffff
699#define DT_LOPROC 0x70000000 /* Processor-specific range */
700#define DT_HIPROC 0x7fffffff
701
702/* Flag values for DT_FLAGS_1 (incomplete) */
703#define DF_1_INITFIRST 0x00000020 /* Object's init/fini take priority */
704
705/*
706 * Auxiliary Vectors
707 */
708 typedef struct {
709 Elf32_Word a_type; /* 32-bit id */
710 Elf32_Word a_v; /* 32-bit id */
711} Aux32Info;
712
713 typedef struct {
714 Elf64_Half a_type; /* 32-bit id */
715 Elf64_Xword a_v; /* 64-bit id */
716} Aux64Info;
717
718/* a_type */
719#define AT_NULL 0 /* Marks end of array */
720#define AT_IGNORE 1 /* No meaning, a_un is undefined */
721#define AT_EXECFD 2 /* Open file descriptor of object file */
722#define AT_PHDR 3 /* &phdr[0] */
723#define AT_PHENT 4 /* sizeof(phdr[0]) */
724#define AT_PHNUM 5 /* # phdr entries */
725#define AT_PAGESZ 6 /* PAGESIZE */
726#define AT_BASE 7 /* Interpreter base addr */
727#define AT_FLAGS 8 /* Processor flags */
728#define AT_ENTRY 9 /* Entry address of executable */
729#define AT_DCACHEBSIZE 10 /* Data cache block size */
730#define AT_ICACHEBSIZE 11 /* Instruction cache block size */
731#define AT_UCACHEBSIZE 12 /* Unified cache block size */
732
733 /* Vendor specific */
734#define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */
735
736#define AT_EUID 2000 /* euid (solaris compatible numbers) */
737#define AT_RUID 2001 /* ruid (solaris compatible numbers) */
738#define AT_EGID 2002 /* egid (solaris compatible numbers) */
739#define AT_RGID 2003 /* rgid (solaris compatible numbers) */
740
741 /* Solaris kernel specific */
742#define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
743#define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */
744#define AT_SUN_LDNAME 2006 /* dynamic linker's name */
745#define AT_SUN_LPGSIZE 2007 /* large pagesize */
746
747 /* Other information */
748#define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */
749#define AT_SUN_HWCAP 2009 /* process hardware capabilities */
750#define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */
751#define AT_SUN_CPU 2011 /* CPU name */
752 /* ibcs2 emulation band aid */
753#define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */
754#define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */
755 /* Executable's fully resolved name */
756#define AT_SUN_EXECNAME 2014
757
758/*
759 * Note Headers
760 */
761 typedef struct {
762 Elf32_Word n_namesz;
763 Elf32_Word n_descsz;
764 Elf32_Word n_type;
765} Elf32_Nhdr;
766
767 typedef struct {
768 Elf64_Half n_namesz;
769 Elf64_Half n_descsz;
770 Elf64_Half n_type;
771} Elf64_Nhdr;
772
773#define ELF_NOTE_TYPE_ABI_TAG 1
774
775/* GNU-specific note name and description sizes */
776#define ELF_NOTE_ABI_NAMESZ 4
777#define ELF_NOTE_ABI_DESCSZ 16
778/* GNU-specific note name */
779#define ELF_NOTE_ABI_NAME "GNU\0"
780
781/* GNU-specific OS/version value stuff */
782#define ELF_NOTE_ABI_OS_LINUX 0
783#define ELF_NOTE_ABI_OS_HURD 1
784#define ELF_NOTE_ABI_OS_SOLARIS 2
785
786/* NetBSD-specific note type: Emulation name. desc is emul name string. */
787#define ELF_NOTE_TYPE_NETBSD_TAG 1
788/* NetBSD-specific note name and description sizes */
789#define ELF_NOTE_NETBSD_NAMESZ 7
790#define ELF_NOTE_NETBSD_DESCSZ 4
791/* NetBSD-specific note name */
792#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
793
794/* NetBSD-specific note type: Checksum. There should be 1 NOTE per PT_LOAD
795 section. desc is a tuple of <phnum>(16),<chk-type>(16),<chk-value>. */
796#define ELF_NOTE_TYPE_CHECKSUM_TAG 2
797#define ELF_NOTE_CHECKSUM_CRC32 1
798#define ELF_NOTE_CHECKSUM_MD5 2
799#define ELF_NOTE_CHECKSUM_SHA1 3
800#define ELF_NOTE_CHECKSUM_SHA256 4
801
802/* NetBSD-specific note type: PaX. There should be 1 NOTE per executable.
803 section. desc is a 32 bit bitmask */
804#define ELF_NOTE_TYPE_PAX_TAG 3
805#define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */
806#define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
807#define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */
808#define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Servguard */
809#define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */
810#define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */
811#define ELF_NOTE_PAX_NAMESZ 4
812#define ELF_NOTE_PAX_NAME "PaX\0"
813#define ELF_NOTE_PAX_DESCSZ 4
814
815/*
816 * NetBSD-specific core file information.
817 *
818 * NetBSD ELF core files use notes to provide information about
819 * the process's state. The note name is "NetBSD-CORE" for
820 * information that is global to the process, and "NetBSD-CORE@nn",
821 * where "nn" is the lwpid of the LWP that the information belongs
822 * to (such as register state).
823 *
824 * We use the following note identifiers:
825 *
826 * ELF_NOTE_NETBSD_CORE_PROCINFO
827 * Note is a "netbsd_elfcore_procinfo" structure.
828 *
829 * We also use ptrace(2) request numbers (the ones that exist in
830 * machine-dependent space) to identify register info notes. The
831 * info in such notes is in the same format that ptrace(2) would
832 * export that information.
833 *
834 * Please try to keep the members of this structure nicely aligned,
835 * and if you add elements, add them to the end and bump the version.
836 */
837
838#define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE"
839
840#define ELF_NOTE_NETBSD_CORE_PROCINFO 1
841
842#define NETBSD_ELFCORE_PROCINFO_VERSION 1
843
844 struct netbsd_elfcore_procinfo {
845 /* Version 1 fields start here. */
846 uint32_t cpi_version; /* netbsd_elfcore_procinfo version */
847 uint32_t cpi_cpisize; /* sizeof(netbsd_elfcore_procinfo) */
848 uint32_t cpi_signo; /* killing signal */
849 uint32_t cpi_sigcode; /* signal code */
850 uint32_t cpi_sigpend[4]; /* pending signals */
851 uint32_t cpi_sigmask[4]; /* blocked signals */
852 uint32_t cpi_sigignore[4];/* blocked signals */
853 uint32_t cpi_sigcatch[4];/* blocked signals */
854 int32_t cpi_pid; /* process ID */
855 int32_t cpi_ppid; /* parent process ID */
856 int32_t cpi_pgrp; /* process group ID */
857 int32_t cpi_sid; /* session ID */
858 uint32_t cpi_ruid; /* real user ID */
859 uint32_t cpi_euid; /* effective user ID */
860 uint32_t cpi_svuid; /* saved user ID */
861 uint32_t cpi_rgid; /* real group ID */
862 uint32_t cpi_egid; /* effective group ID */
863 uint32_t cpi_svgid; /* saved group ID */
864 uint32_t cpi_nlwps; /* number of LWPs */
865 int8_t cpi_name[32]; /* copy of p->p_comm */
866 /* Add version 2 fields below here. */
867 int32_t cpi_siglwp; /* LWP target of killing signal */
868};
869
870#if defined(ELFSIZE) && (ELFSIZE == 32)
871#define Elf_Ehdr Elf32_Ehdr
872#define Elf_Phdr Elf32_Phdr
873#define Elf_Shdr Elf32_Shdr
874#define Elf_Sym Elf32_Sym
875#define Elf_Rel Elf32_Rel
876#define Elf_Rela Elf32_Rela
877#define Elf_Dyn Elf32_Dyn
878#define Elf_Word Elf32_Word
879#define Elf_Sword Elf32_Sword
880#define Elf_Addr Elf32_Addr
881#define Elf_Off Elf32_Off
882#define Elf_SOff Elf32_SOff
883#define Elf_Nhdr Elf32_Nhdr
884
885#define ELF_R_SYM ELF32_R_SYM
886#define ELF_R_TYPE ELF32_R_TYPE
887#define ELFCLASS ELFCLASS32
888
889#define AuxInfo Aux32Info
890#elif defined(ELFSIZE) && (ELFSIZE == 64)
891#define Elf_Ehdr Elf64_Ehdr
892#define Elf_Phdr Elf64_Phdr
893#define Elf_Shdr Elf64_Shdr
894#define Elf_Sym Elf64_Sym
895#define Elf_Rel Elf64_Rel
896#define Elf_Rela Elf64_Rela
897#define Elf_Dyn Elf64_Dyn
898#define Elf_Word Elf64_Word
899#define Elf_Sword Elf64_Sword
900#define Elf_Addr Elf64_Addr
901#define Elf_Off Elf64_Off
902#define Elf_SOff Elf64_SOff
903#define Elf_Nhdr Elf64_Nhdr
904
905#define ELF_R_SYM ELF64_R_SYM
906#define ELF_R_TYPE ELF64_R_TYPE
907#define ELFCLASS ELFCLASS64
908
909#define AuxInfo Aux64Info
910#endif
911
912#define ELF32_ST_BIND(info) ELF_ST_BIND(info)
913#define ELF32_ST_TYPE(info) ELF_ST_TYPE(info)
914#define ELF32_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
915#define ELF32_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
916
917#define ELF64_ST_BIND(info) ELF_ST_BIND(info)
918#define ELF64_ST_TYPE(info) ELF_ST_TYPE(info)
919#define ELF64_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
920#define ELF64_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
921
922 typedef struct {
923 Elf32_Half si_boundto; /* direct bindings - symbol bound to */
924 Elf32_Half si_flags; /* per symbol flags */
925} Elf32_Syminfo;
926
927 typedef struct {
928 Elf64_Half si_boundto; /* direct bindings - symbol bound to */
929 Elf64_Half si_flags; /* per symbol flags */
930} Elf64_Syminfo;
931
932#define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association
933 to object containing definition */
934#define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */
935#define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */
936#define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be
937 lazily-loaded */
938#define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to
939 object containing definition */
940#define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference
941 directly bind to this symbol */
942#define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */
943#define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */
944
945#define SYMINFO_BT_SELF 0xffff /* symbol bound to self */
946#define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */
947#define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */
948#define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */
949#define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */
950
951#define SYMINFO_NONE 0 /* Syminfo version */
952#define SYMINFO_CURRENT 1
953#define SYMINFO_NUM 2
954
955/*
956 * These constants are used for Elf32_Verdef struct's version number.
957 */
958#define VER_DEF_NONE 0
959#define VER_DEF_CURRENT 1
960
961/*
962 * These constants are used for Elf32_Verdef struct's vd_flags.
963 */
964#define VER_FLG_BASE 0x1
965#define VER_FLG_WEAK 0x2
966
967/*
968 * These are used in an Elf32_Versym field.
969 */
970#define VER_NDX_LOCAL 0
971#define VER_NDX_GLOBAL 1
972
973/*
974 * These constants are used for Elf32_Verneed struct's version number.
975 */
976#define VER_NEED_NONE 0
977#define VER_NEED_CURRENT 1
978
979/*
980 * GNU Extension hidding symb
981 */
982#define VERSYM_HIDDEN 0x8000
983#define VERSYM_VERSION 0x7fff
984
985#define ELF_VER_CHR '@'
986
987/*
988 * These are current size independent.
989 */
990
991typedef struct {
992 Elf32_Half vd_version; /* version number of structure */
993 Elf32_Half vd_flags; /* flags (VER_FLG_*) */
994 Elf32_Half vd_ndx; /* version index */
995 Elf32_Half vd_cnt; /* number of verdaux entries */
996 Elf32_Word vd_hash; /* hash of name */
997 Elf32_Word vd_aux; /* offset to verdaux entries */
998 Elf32_Word vd_next; /* offset to next verdef */
999} Elf32_Verdef;
1000typedef Elf32_Verdef Elf64_Verdef;
1001
1002typedef struct {
1003 Elf32_Word vda_name; /* string table offset of name */
1004 Elf32_Word vda_next; /* offset to verdaux */
1005} Elf32_Verdaux;
1006typedef Elf32_Verdaux Elf64_Verdaux;
1007
1008typedef struct {
1009 Elf32_Half vn_version; /* version number of structure */
1010 Elf32_Half vn_cnt; /* number of vernaux entries */
1011 Elf32_Word vn_file; /* string table offset of library name*/
1012 Elf32_Word vn_aux; /* offset to vernaux entries */
1013 Elf32_Word vn_next; /* offset to next verneed */
1014} Elf32_Verneed;
1015typedef Elf32_Verneed Elf64_Verneed;
1016
1017typedef struct {
1018 Elf32_Word vna_hash; /* Hash of dependency name */
1019 Elf32_Half vna_flags; /* flags (VER_FLG_*) */
1020 Elf32_Half vna_other; /* unused */
1021 Elf32_Word vna_name; /* string table offset to version name*/
1022 Elf32_Word vna_next; /* offset to next vernaux */
1023} Elf32_Vernaux;
1024typedef Elf32_Vernaux Elf64_Vernaux;
1025
1026typedef struct {
1027 Elf32_Half vs_vers;
1028} Elf32_Versym;
1029typedef Elf32_Versym Elf64_Versym;
1030
1031#ifdef _KERNEL
1032
1033#define ELF_AUX_ENTRIES 14 /* Max size of aux array passed to loader */
1034#define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
1035#define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
1036#define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
1037#define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
1038
1039#if defined(ELFSIZE) && (ELFSIZE == 64)
1040#define ELF_NO_ADDR ELF64_NO_ADDR
1041#define ELF_LINK_ADDR ELF64_LINK_ADDR
1042#elif defined(ELFSIZE) && (ELFSIZE == 32)
1043#define ELF_NO_ADDR ELF32_NO_ADDR
1044#define ELF_LINK_ADDR ELF32_LINK_ADDR
1045#endif
1046
1047#ifndef ELF32_EHDR_FLAGS_OK
1048#define ELF32_EHDR_FLAGS_OK(eh) 1
1049#endif
1050
1051#ifndef ELF64_EHDR_FLAGS_OK
1052#define ELF64_EHDR_FLAGS_OK(eh) 1
1053#endif
1054
1055#if defined(ELFSIZE) && (ELFSIZE == 64)
1056#define ELF_EHDR_FLAGS_OK(eh) ELF64_EHDR_FLAGS_OK(eh)
1057#else
1058#define ELF_EHDR_FLAGS_OK(eh) ELF32_EHDR_FLAGS_OK(eh)
1059#endif
1060
1061#if defined(ELFSIZE)
1062struct elf_args {
1063 Elf_Addr arg_entry; /* program entry point */
1064 Elf_Addr arg_interp; /* Interpreter load address */
1065 Elf_Addr arg_phaddr; /* program header address */
1066 Elf_Addr arg_phentsize; /* Size of program header */
1067 Elf_Addr arg_phnum; /* Number of program headers */
1068};
1069#endif
1070
1071#ifdef _KERNEL_OPT
1072#include "opt_execfmt.h"
1073#endif
1074
1075#ifdef EXEC_ELF32
1076int exec_elf32_makecmds(struct lwp *, struct exec_package *);
1077int elf32_copyargs(struct lwp *, struct exec_package *,
1078 struct ps_strings *, char **, void *);
1079
1080int coredump_elf32(struct lwp *, void *);
1081int coredump_writenote_elf32(struct proc *, void *, Elf32_Nhdr *,
1082 const char *, void *);
1083
1084int elf32_check_header(Elf32_Ehdr *, int);
1085#endif
1086
1087#ifdef EXEC_ELF64
1088int exec_elf64_makecmds(struct lwp *, struct exec_package *);
1089int elf64_copyargs(struct lwp *, struct exec_package *,
1090 struct ps_strings *, char **, void *);
1091
1092int coredump_elf64(struct lwp *, void *);
1093int coredump_writenote_elf64(struct proc *, void *, Elf64_Nhdr *,
1094 const char *, void *);
1095
1096int elf64_check_header(Elf64_Ehdr *, int);
1097#endif
1098
1099#endif /* _KERNEL */
1100
1101#endif /* !_SYS_EXEC_ELF_H_ */
inttypes.h
Provide printf() PRIxxx Constante Beyond Standards.
Aux32Info
Definition: exec_elf.h:708
Aux64Info
Definition: exec_elf.h:713
Elf32_Cap
Definition: exec_elf.h:624
Elf32_Dyn
Definition: exec_elf.h:643
Elf32_Ehdr
Definition: exec_elf.h:112
Elf32_Move
Definition: exec_elf.h:597
Elf32_Nhdr
Definition: exec_elf.h:761
Elf32_Phdr
Definition: exec_elf.h:343
Elf32_Rel
Definition: exec_elf.h:562
Elf32_Rela
Definition: exec_elf.h:567
Elf32_Shdr
Definition: exec_elf.h:396
Elf32_Sym
Definition: exec_elf.h:473
Elf32_Syminfo
Definition: exec_elf.h:922
Elf32_Verdaux
Definition: exec_elf.h:998
Elf32_Verdef
Definition: exec_elf.h:987
Elf32_Vernaux
Definition: exec_elf.h:1013
Elf32_Verneed
Definition: exec_elf.h:1004
Elf32_Versym
Definition: exec_elf.h:1022
Elf64_Cap
Definition: exec_elf.h:632
Elf64_Dyn
Definition: exec_elf.h:651
Elf64_Ehdr
Definition: exec_elf.h:129
Elf64_Move
Definition: exec_elf.h:609
Elf64_Nhdr
Definition: exec_elf.h:767
Elf64_Phdr
Definition: exec_elf.h:354
Elf64_Rel
Definition: exec_elf.h:578
Elf64_Rela
Definition: exec_elf.h:583
Elf64_Shdr
Definition: exec_elf.h:409
Elf64_Sym
Definition: exec_elf.h:482
Elf64_Syminfo
Definition: exec_elf.h:927
netbsd_elfcore_procinfo
Definition: exec_elf.h:844