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1.1 root 1: // NetBSD の elf.h -> sys/exec_elf.h をベースに書き換えたもの
2: /* $NetBSD: exec_elf.h,v 1.161 2019/06/07 23:35:52 christos Exp $ */
3:
4: /*-
5: * Copyright (c) 1994 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Christos Zoulas.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30: * POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: #ifndef _SYS_EXEC_ELF_H_
34: #define _SYS_EXEC_ELF_H_
35:
36: /*
37: * The current ELF ABI specification is available at:
38: * http://www.sco.com/developers/gabi/
39: *
40: * Current header definitions are in:
41: * http://www.sco.com/developers/gabi/latest/ch4.eheader.html
42: */
43:
44: #if defined(_KERNEL) || defined(_STANDALONE)
45: #include <sys/types.h>
46: #else
47: #include <inttypes.h>
48: #include <stddef.h>
49: #endif /* _KERNEL || _STANDALONE */
50:
51: typedef uint8_t Elf_Byte;
52:
53: typedef uint32_t Elf32_Addr;
54: #define ELF32_FSZ_ADDR 4
55: typedef uint32_t Elf32_Off;
56: typedef int32_t Elf32_SOff;
57: #define ELF32_FSZ_OFF 4
58: typedef int32_t Elf32_Sword;
59: #define ELF32_FSZ_SWORD 4
60: typedef uint32_t Elf32_Word;
61: #define ELF32_FSZ_WORD 4
62: typedef uint16_t Elf32_Half;
63: #define ELF32_FSZ_HALF 2
64: typedef uint64_t Elf32_Lword;
65: #define ELF32_FSZ_LWORD 8
66:
67: typedef uint64_t Elf64_Addr;
68: #define ELF64_FSZ_ADDR 8
69: typedef uint64_t Elf64_Off;
70: typedef int64_t Elf64_SOff;
71: #define ELF64_FSZ_OFF 8
72:
73: typedef int32_t Elf64_Sword;
74: #define ELF64_FSZ_SWORD 4
75: typedef uint32_t Elf64_Word;
76: #define ELF64_FSZ_WORD 4
77:
78: typedef int64_t Elf64_Sxword;
79: #define ELF64_FSZ_SXWORD 8
80: typedef uint64_t Elf64_Xword;
81: #define ELF64_FSZ_XWORD 8
82: typedef uint64_t Elf64_Lword;
83: #define ELF64_FSZ_LWORD 8
84: typedef uint16_t Elf64_Half;
85: #define ELF64_FSZ_HALF 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_Half e_type; /* file type */
112: Elf64_Half e_machine; /* machine type */
113: Elf64_Word 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_Word e_flags; /* Processor flags */
118: Elf64_Half e_ehsize; /* sizeof ehdr */
119: Elf64_Half e_phentsize; /* Program header entry size */
120: Elf64_Half e_phnum; /* Number of program headers */
121: Elf64_Half e_shentsize; /* Section header entry size */
122: Elf64_Half e_shnum; /* Number of section headers */
123: Elf64_Half 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: #define ELFOSABI_OPENVMS 13 /* OpenVMS */
178: #define ELFOSABI_NSK 14 /* HP Non-Stop Kernel */
179: #define ELFOSABI_AROS 15 /* Amiga Research OS */
180: /* Unofficial OSABIs follow */
181: #define ELFOSABI_ARM 97 /* ARM */
182: #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
183:
184: #define ELFOSABI_NONE ELFOSABI_SYSV
185: #define ELFOSABI_AIX ELFOSABI_MONTEREY
186:
187: /* e_type */
188: #define ET_NONE 0 /* No file type */
189: #define ET_REL 1 /* Relocatable file */
190: #define ET_EXEC 2 /* Executable file */
191: #define ET_DYN 3 /* Shared object file */
192: #define ET_CORE 4 /* Core file */
193: #define ET_NUM 5
194:
195: #define ET_LOOS 0xfe00 /* Operating system specific range */
196: #define ET_HIOS 0xfeff
197: #define ET_LOPROC 0xff00 /* Processor-specific range */
198: #define ET_HIPROC 0xffff
199:
200: /* e_machine */
201: #define EM_NONE 0 /* No machine */
202: #define EM_M32 1 /* AT&T WE 32100 */
203: #define EM_SPARC 2 /* SPARC */
204: #define EM_386 3 /* Intel 80386 */
205: #define EM_68K 4 /* Motorola 68000 */
206: #define EM_88K 5 /* Motorola 88000 */
207: #define EM_486 6 /* Intel 80486 [old] */
208: #define EM_IAMCU 6 /* Intel MCU. */
209: #define EM_860 7 /* Intel 80860 */
210: #define EM_MIPS 8 /* MIPS I Architecture */
211: #define EM_S370 9 /* Amdahl UTS on System/370 */
212: #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */
213: /* 11-14 - Reserved */
214: #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */
215: #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */
216: #define EM_NCUBE 16 /* NCube XXX reserved */
217: #define EM_VPP500 17 /* Fujitsu VPP500 */
218: #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
219: #define EM_960 19 /* Intel 80960 */
220: #define EM_PPC 20 /* PowerPC */
221: #define EM_PPC64 21 /* 64-bit PowerPC */
222: /* 22-35 - Reserved */
223: #define EM_S390 22 /* System/390 XXX reserved */
224: #define EM_V800 36 /* NEC V800 */
225: #define EM_FR20 37 /* Fujitsu FR20 */
226: #define EM_RH32 38 /* TRW RH-32 */
227: #define EM_RCE 39 /* Motorola RCE */
228: #define EM_ARM 40 /* Advanced RISC Machines ARM */
229: #define EM_ALPHA 41 /* DIGITAL Alpha */
230: #define EM_SH 42 /* Hitachi Super-H */
231: #define EM_SPARCV9 43 /* SPARC Version 9 */
232: #define EM_TRICORE 44 /* Siemens Tricore */
233: #define EM_ARC 45 /* Argonaut RISC Core */
234: #define EM_H8_300 46 /* Hitachi H8/300 */
235: #define EM_H8_300H 47 /* Hitachi H8/300H */
236: #define EM_H8S 48 /* Hitachi H8S */
237: #define EM_H8_500 49 /* Hitachi H8/500 */
238: #define EM_IA_64 50 /* Intel Merced Processor */
239: #define EM_MIPS_X 51 /* Stanford MIPS-X */
240: #define EM_COLDFIRE 52 /* Motorola Coldfire */
241: #define EM_68HC12 53 /* Motorola MC68HC12 */
242: #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */
243: #define EM_PCP 55 /* Siemens PCP */
244: #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
245: #define EM_NDR1 57 /* Denso NDR1 microprocessor */
246: #define EM_STARCORE 58 /* Motorola Star*Core processor */
247: #define EM_ME16 59 /* Toyota ME16 processor */
248: #define EM_ST100 60 /* STMicroelectronics ST100 processor */
249: #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */
250: #define EM_X86_64 62 /* AMD x86-64 architecture */
251: #define EM_PDSP 63 /* Sony DSP Processor */
252: #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
253: #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
254: #define EM_FX66 66 /* Siemens FX66 microcontroller */
255: #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
256: #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
257: #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
258: #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
259: #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
260: #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
261: #define EM_SVX 73 /* Silicon Graphics SVx */
262: #define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */
263: #define EM_VAX 75 /* Digital VAX */
264: #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
265: #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */
266: #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
267: #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
268: #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
269: #define EM_HUANY 81 /* Harvard's machine-independent format */
270: #define EM_PRISM 82 /* SiTera Prism */
271: #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
272: #define EM_FR30 84 /* Fujitsu FR30 */
273: #define EM_D10V 85 /* Mitsubishi D10V */
274: #define EM_D30V 86 /* Mitsubishi D30V */
275: #define EM_V850 87 /* NEC v850 */
276: #define EM_M32R 88 /* Mitsubishi M32R */
277: #define EM_MN10300 89 /* Matsushita MN10300 */
278: #define EM_MN10200 90 /* Matsushita MN10200 */
279: #define EM_PJ 91 /* picoJava */
280: #define EM_OR1K 92 /* OpenRISC 32-bit embedded processor */
281: #define EM_OPENRISC EM_OR1K
282: #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
283: #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
284: #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
285: #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
286: #define EM_NS32K 97 /* National Semiconductor 32000 series */
287: #define EM_TPC 98 /* Tenor Network TPC processor */
288: #define EM_SNP1K 99 /* Trebia SNP 1000 processor */
289: #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */
290: #define EM_IP2K 101 /* Ubicom IP2xxx microcontroller family */
291: #define EM_MAX 102 /* MAX processor */
292: #define EM_CR 103 /* National Semiconductor CompactRISC micorprocessor */
293: #define EM_F2MC16 104 /* Fujitsu F2MC16 */
294: #define EM_MSP430 105 /* Texas Instruments MSP430 */
295: #define EM_BLACKFIN 106 /* Analog Devices Blackfin DSP */
296: #define EM_SE_C33 107 /* Seiko Epson S1C33 family */
297: #define EM_SEP 108 /* Sharp embedded microprocessor */
298: #define EM_ARCA 109 /* Arca RISC microprocessor */
299: #define EM_UNICORE 110 /* UNICORE from PKU-Unity Ltd. and MPRC Peking University */
300: #define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */
301: #define EM_AARCH64 183 /* AArch64 64-bit ARM microprocessor */
302: #define EM_AVR32 185 /* Atmel Corporation 32-bit microprocessor family*/
303: #define EM_TILE64 187 /* Tilera TILE64 multicore architecture family */
304: #define EM_TILEPRO 188 /* Tilera TILEPro multicore architecture family */
305: #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */
306: #define EM_TILEGX 192 /* Tilera TILE-GX multicore architecture family */
307: #define EM_Z80 220 /* Zilog Z80 */
308: #define EM_RISCV 243 /* RISC-V */
309:
310: /* Unofficial machine types follow */
311: #define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */
312: #define EM_NUM 36903
313:
314: /*
315: * Program Header
316: */
317: typedef struct {
318: Elf32_Word p_type; /* entry type */
319: Elf32_Off p_offset; /* offset */
320: Elf32_Addr p_vaddr; /* virtual address */
321: Elf32_Addr p_paddr; /* physical address */
322: Elf32_Word p_filesz; /* file size */
323: Elf32_Word p_memsz; /* memory size */
324: Elf32_Word p_flags; /* flags */
325: Elf32_Word p_align; /* memory & file alignment */
326: } Elf32_Phdr;
327:
328: typedef struct {
329: Elf64_Word p_type; /* entry type */
330: Elf64_Word p_flags; /* flags */
331: Elf64_Off p_offset; /* offset */
332: Elf64_Addr p_vaddr; /* virtual address */
333: Elf64_Addr p_paddr; /* physical address */
334: Elf64_Xword p_filesz; /* file size */
335: Elf64_Xword p_memsz; /* memory size */
336: Elf64_Xword p_align; /* memory & file alignment */
337: } Elf64_Phdr;
338:
339: /* p_type */
340: #define PT_NULL 0 /* Program header table entry unused */
341: #define PT_LOAD 1 /* Loadable program segment */
342: #define PT_DYNAMIC 2 /* Dynamic linking information */
343: #define PT_INTERP 3 /* Program interpreter */
344: #define PT_NOTE 4 /* Auxiliary information */
345: #define PT_SHLIB 5 /* Reserved, unspecified semantics */
346: #define PT_PHDR 6 /* Entry for header table itself */
347: #define PT_TLS 7 /* TLS initialisation image */
348: #define PT_NUM 8
349:
350: #define PT_LOOS 0x60000000 /* OS-specific range */
351:
352: /* GNU-specific */
353: #define PT_GNU_EH_FRAME 0x6474e550 /* EH frame segment */
354: #define PT_GNU_STACK 0x6474e551 /* Indicate executable stack */
355: #define PT_GNU_RELRO 0x6474e552 /* Make read-only after relocation */
356:
357: #define PT_HIOS 0x6fffffff
358: #define PT_LOPROC 0x70000000 /* Processor-specific range */
359: #define PT_HIPROC 0x7fffffff
360:
361: #define PT_MIPS_REGINFO 0x70000000
362: #define PT_MIPS_ABIFLAGS 0x70000003
363:
364: /* p_flags */
365: #define PF_R 0x4 /* Segment is readable */
366: #define PF_W 0x2 /* Segment is writable */
367: #define PF_X 0x1 /* Segment is executable */
368:
369: #define PF_MASKOS 0x0ff00000 /* Operating system specific values */
370: #define PF_MASKPROC 0xf0000000 /* Processor-specific values */
371:
372: /* Extended program header index. */
373: #define PN_XNUM 0xffff
374:
375: /*
376: * Section Headers
377: */
378: typedef struct {
379: Elf32_Word sh_name; /* section name (.shstrtab index) */
380: Elf32_Word sh_type; /* section type */
381: Elf32_Word sh_flags; /* section flags */
382: Elf32_Addr sh_addr; /* virtual address */
383: Elf32_Off sh_offset; /* file offset */
384: Elf32_Word sh_size; /* section size */
385: Elf32_Word sh_link; /* link to another */
386: Elf32_Word sh_info; /* misc info */
387: Elf32_Word sh_addralign; /* memory alignment */
388: Elf32_Word sh_entsize; /* table entry size */
389: } Elf32_Shdr;
390:
391: typedef struct {
392: Elf64_Word sh_name; /* section name (.shstrtab index) */
393: Elf64_Word sh_type; /* section type */
394: Elf64_Xword sh_flags; /* section flags */
395: Elf64_Addr sh_addr; /* virtual address */
396: Elf64_Off sh_offset; /* file offset */
397: Elf64_Xword sh_size; /* section size */
398: Elf64_Word sh_link; /* link to another */
399: Elf64_Word sh_info; /* misc info */
400: Elf64_Xword sh_addralign; /* memory alignment */
401: Elf64_Xword sh_entsize; /* table entry size */
402: } Elf64_Shdr;
403:
404: /* sh_type */
405: #define SHT_NULL 0 /* Section header table entry unused */
406: #define SHT_PROGBITS 1 /* Program information */
407: #define SHT_SYMTAB 2 /* Symbol table */
408: #define SHT_STRTAB 3 /* String table */
409: #define SHT_RELA 4 /* Relocation information w/ addend */
410: #define SHT_HASH 5 /* Symbol hash table */
411: #define SHT_DYNAMIC 6 /* Dynamic linking information */
412: #define SHT_NOTE 7 /* Auxiliary information */
413: #define SHT_NOBITS 8 /* No space allocated in file image */
414: #define SHT_REL 9 /* Relocation information w/o addend */
415: #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
416: #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */
417: #define SHT_INIT_ARRAY 14 /* Initialization function pointers */
418: #define SHT_FINI_ARRAY 15 /* Termination function pointers */
419: #define SHT_PREINIT_ARRAY 16 /* Pre-initialization function ptrs */
420: #define SHT_GROUP 17 /* Section group */
421: #define SHT_SYMTAB_SHNDX 18 /* Section indexes (see SHN_XINDEX) */
422: #define SHT_NUM 19
423:
424: #define SHT_LOOS 0x60000000 /* Operating system specific range */
425: #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* GNU incremental build data */
426: #define SHT_LOSUNW 0x6ffffff4
427: #define SHT_SUNW_dof 0x6ffffff4
428: #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* GNU object attributes */
429: #define SHT_SUNW_cap 0x6ffffff5
430: #define SHT_SUNW_SIGNATURE 0x6ffffff6
431: #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */
432: #define SHT_GNU_LIBLIST 0x6ffffff7 /* GNU list of prelink dependencies */
433: #define SHT_SUNW_move 0x6ffffffa
434: #define SHT_SUNW_COMDAT 0x6ffffffb
435: #define SHT_SUNW_syminfo 0x6ffffffc
436: #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
437: #define SHT_GNU_verdef SHT_SUNW_verdef
438: #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
439: #define SHT_GNU_verneed SHT_SUNW_verneed
440: #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
441: #define SHT_GNU_versym SHT_SUNW_versym
442: #define SHT_HISUNW 0x6fffffff
443: #define SHT_HIOS 0x6fffffff
444: #define SHT_LOPROC 0x70000000 /* Processor-specific range */
445: #define SHT_AMD64_UNWIND 0x70000001 /* unwind information */
446: #define SHT_ARM_EXIDX 0x70000001 /* exception index table */
447: #define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking
448: * pre-emption map */
449: #define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility
450: * attributes */
451: #define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details */
452: #define SHT_ARM_OVERLAYSECTION 0x70000005
453: #define SHT_MIPS_REGINFO 0x70000006
454: #define SHT_MIPS_OPTIONS 0x7000000d
455: #define SHT_MIPS_DWARF 0x7000001e /* MIPS gcc uses MIPS_DWARF */
456: #define SHT_HIPROC 0x7fffffff
457: #define SHT_LOUSER 0x80000000 /* Application-specific range */
458: #define SHT_HIUSER 0xffffffff
459:
460: /* sh_flags */
461: #define SHF_WRITE 0x00000001 /* Contains writable data */
462: #define SHF_ALLOC 0x00000002 /* Occupies memory */
463: #define SHF_EXECINSTR 0x00000004 /* Contains executable insns */
464: #define SHF_MERGE 0x00000010 /* Might be merged */
465: #define SHF_STRINGS 0x00000020 /* Contains nul terminated strings */
466: #define SHF_INFO_LINK 0x00000040 /* "sh_info" contains SHT index */
467: #define SHF_LINK_ORDER 0x00000080 /* Preserve order after combining */
468: #define SHF_OS_NONCONFORMING 0x00000100 /* OS specific handling required */
469: #define SHF_GROUP 0x00000200 /* Is member of a group */
470: #define SHF_TLS 0x00000400 /* Holds thread-local data */
471: #define SHF_MASKOS 0x0ff00000 /* Operating system specific values */
472: #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */
473: #define SHF_ORDERED 0x40000000 /* Ordering requirement (Solaris) */
474: #define SHF_EXCLUDE 0x80000000 /* Excluded unless unles ref/alloc
475: (Solaris).*/
476: /*
477: * Symbol Table
478: */
479: typedef struct {
480: Elf32_Word st_name; /* Symbol name (.strtab index) */
481: Elf32_Word st_value; /* value of symbol */
482: Elf32_Word st_size; /* size of symbol */
483: Elf_Byte st_info; /* type / binding attrs */
484: Elf_Byte st_other; /* unused */
485: Elf32_Half st_shndx; /* section index of symbol */
486: } Elf32_Sym;
487:
488: typedef struct {
489: Elf64_Word st_name; /* Symbol name (.strtab index) */
490: Elf_Byte st_info; /* type / binding attrs */
491: Elf_Byte st_other; /* unused */
492: Elf64_Half st_shndx; /* section index of symbol */
493: Elf64_Addr st_value; /* value of symbol */
494: Elf64_Xword st_size; /* size of symbol */
495: } Elf64_Sym;
496:
497: /* Symbol Table index of the undefined symbol */
498: #define ELF_SYM_UNDEFINED 0
499:
500: #define STN_UNDEF 0 /* undefined index */
501:
502: /* st_info: Symbol Bindings */
503: #define STB_LOCAL 0 /* local symbol */
504: #define STB_GLOBAL 1 /* global symbol */
505: #define STB_WEAK 2 /* weakly defined global symbol */
506: #define STB_NUM 3
507:
508: #define STB_LOOS 10 /* Operating system specific range */
509: #define STB_HIOS 12
510: #define STB_LOPROC 13 /* Processor-specific range */
511: #define STB_HIPROC 15
512:
513: /* st_info: Symbol Types */
514: #define STT_NOTYPE 0 /* Type not specified */
515: #define STT_OBJECT 1 /* Associated with a data object */
516: #define STT_FUNC 2 /* Associated with a function */
517: #define STT_SECTION 3 /* Associated with a section */
518: #define STT_FILE 4 /* Associated with a file name */
519: #define STT_COMMON 5 /* Uninitialised common block */
520: #define STT_TLS 6 /* Thread local data object */
521: #define STT_NUM 7
522:
523: #define STT_LOOS 10 /* Operating system specific range */
524: #define STT_GNU_IFUNC 10 /* GNU extension: indirect function */
525: #define STT_HIOS 12
526: #define STT_LOPROC 13 /* Processor-specific range */
527: #define STT_HIPROC 15
528:
529: /* st_other: Visibility Types */
530: #define STV_DEFAULT 0 /* use binding type */
531: #define STV_INTERNAL 1 /* not referenced from outside */
532: #define STV_HIDDEN 2 /* not visible, may be used via ptr */
533: #define STV_PROTECTED 3 /* visible, not preemptible */
534: #define STV_EXPORTED 4
535: #define STV_SINGLETON 5
536: #define STV_ELIMINATE 6
537:
538: /* st_info/st_other utility macros */
539: #define ELF_ST_BIND(info) ((uint32_t)(info) >> 4)
540: #define ELF_ST_TYPE(info) ((uint32_t)(info) & 0xf)
541: #define ELF_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | \
542: ((type) & 0xf)))
543: #define ELF_ST_VISIBILITY(other) ((uint32_t)(other) & 3)
544:
545: /*
546: * Special section indexes
547: */
548: #define SHN_UNDEF 0 /* Undefined section */
549:
550: #define SHN_LORESERVE 0xff00 /* Reserved range */
551: #define SHN_ABS 0xfff1 /* Absolute symbols */
552: #define SHN_COMMON 0xfff2 /* Common symbols */
553: #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere */
554: #define SHN_HIRESERVE 0xffff
555:
556: #define SHN_LOPROC 0xff00 /* Processor-specific range */
557: #define SHN_HIPROC 0xff1f
558: #define SHN_LOOS 0xff20 /* Operating system specific range */
559: #define SHN_HIOS 0xff3f
560:
561: #define SHN_MIPS_ACOMMON 0xff00
562: #define SHN_MIPS_TEXT 0xff01
563: #define SHN_MIPS_DATA 0xff02
564: #define SHN_MIPS_SCOMMON 0xff03
565:
566: /*
567: * Relocation Entries
568: */
569: typedef struct {
570: Elf32_Word r_offset; /* where to do it */
571: Elf32_Word r_info; /* index & type of relocation */
572: } Elf32_Rel;
573:
574: typedef struct {
575: Elf32_Word r_offset; /* where to do it */
576: Elf32_Word r_info; /* index & type of relocation */
577: Elf32_Sword r_addend; /* adjustment value */
578: } Elf32_Rela;
579:
580: /* r_info utility macros */
581: #define ELF32_R_SYM(info) ((info) >> 8)
582: #define ELF32_R_TYPE(info) ((info) & 0xff)
583: #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type))
584:
585: typedef struct {
586: Elf64_Addr r_offset; /* where to do it */
587: Elf64_Xword r_info; /* index & type of relocation */
588: } Elf64_Rel;
589:
590: typedef struct {
591: Elf64_Addr r_offset; /* where to do it */
592: Elf64_Xword r_info; /* index & type of relocation */
593: Elf64_Sxword r_addend; /* adjustment value */
594: } Elf64_Rela;
595:
596: /* r_info utility macros */
597: #define ELF64_R_SYM(info) ((info) >> 32)
598: #define ELF64_R_TYPE(info) ((info) & 0xffffffff)
599: #define ELF64_R_INFO(sym,type) (((sym) << 32) + (type))
600:
601: /*
602: * Move entries
603: */
604: typedef struct {
605: Elf32_Lword m_value; /* symbol value */
606: Elf32_Word m_info; /* size + index */
607: Elf32_Word m_poffset; /* symbol offset */
608: Elf32_Half m_repeat; /* repeat count */
609: Elf32_Half m_stride; /* stride info */
610: } Elf32_Move;
611:
612: #define ELF32_M_SYM(info) ((info) >> 8)
613: #define ELF32_M_SIZE(info) ((info) & 0xff)
614: #define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
615:
616: typedef struct {
617: Elf64_Lword m_value; /* symbol value */
618: Elf64_Xword m_info; /* size + index */
619: Elf64_Xword m_poffset; /* symbol offset */
620: Elf64_Word m_repeat; /* repeat count */
621: Elf64_Word m_stride; /* stride info */
622: } Elf64_Move;
623:
624: #define ELF64_M_SYM(info) ((info) >> 8)
625: #define ELF64_M_SIZE(info) ((info) & 0xff)
626: #define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size))
627:
628: /*
629: * Hardware/software capabilities entry
630: */
631: typedef struct {
632: Elf32_Word c_tag; /* entry tag value */
633: union {
634: Elf32_Addr c_ptr;
635: Elf32_Word c_val;
636: } c_un;
637: } Elf32_Cap;
638:
639: typedef struct {
640: Elf64_Xword c_tag; /* entry tag value */
641: union {
642: Elf64_Addr c_ptr;
643: Elf64_Xword c_val;
644: } c_un;
645: } Elf64_Cap;
646:
647: /*
648: * Dynamic Section structure array
649: */
650: typedef struct {
651: Elf32_Word d_tag; /* entry tag value */
652: union {
653: Elf32_Addr d_ptr;
654: Elf32_Word d_val;
655: } d_un;
656: } Elf32_Dyn;
657:
658: typedef struct {
659: Elf64_Xword d_tag; /* entry tag value */
660: union {
661: Elf64_Addr d_ptr;
662: Elf64_Xword d_val;
663: } d_un;
664: } Elf64_Dyn;
665:
666: /* d_tag */
667: #define DT_NULL 0 /* Marks end of dynamic array */
668: #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */
669: #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */
670: #define DT_PLTGOT 3 /* Address of PLT and/or GOT */
671: #define DT_HASH 4 /* Address of symbol hash table */
672: #define DT_STRTAB 5 /* Address of string table */
673: #define DT_SYMTAB 6 /* Address of symbol table */
674: #define DT_RELA 7 /* Address of Rela relocation table */
675: #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */
676: #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */
677: #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */
678: #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */
679: #define DT_INIT 12 /* Address of initialization function */
680: #define DT_FINI 13 /* Address of termination function */
681: #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */
682: #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */
683: #define DT_SYMBOLIC 16 /* Start symbol search within local object */
684: #define DT_REL 17 /* Address of Rel relocation table */
685: #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */
686: #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */
687: #define DT_PLTREL 20 /* Type of PLT relocation entries */
688: #define DT_DEBUG 21 /* Used for debugging; unspecified */
689: #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */
690: #define DT_JMPREL 23 /* Address of relocations associated with PLT */
691: #define DT_BIND_NOW 24 /* Process all relocations at load-time */
692: #define DT_INIT_ARRAY 25 /* Address of initialization function array */
693: #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */
694: #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */
695: #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/
696: #define DT_RUNPATH 29 /* overrides DT_RPATH */
697: #define DT_FLAGS 30 /* Encodes ORIGIN, SYMBOLIC, TEXTREL, BIND_NOW, STATIC_TLS */
698: #define DT_ENCODING 31 /* ??? */
699: #define DT_PREINIT_ARRAY 32 /* Address of pre-init function array */
700: #define DT_PREINIT_ARRAYSZ 33 /* Size, in bytes, of DT_PREINIT_ARRAY array */
701: #define DT_NUM 34
702:
703: #define DT_LOOS 0x60000000 /* Operating system specific range */
704: #define DT_VERSYM 0x6ffffff0 /* Symbol versions */
705: #define DT_FLAGS_1 0x6ffffffb /* ELF dynamic flags */
706: #define DT_VERDEF 0x6ffffffc /* Versions defined by file */
707: #define DT_VERDEFNUM 0x6ffffffd /* Number of versions defined by file */
708: #define DT_VERNEED 0x6ffffffe /* Versions needed by file */
709: #define DT_VERNEEDNUM 0x6fffffff /* Number of versions needed by file */
710: #define DT_HIOS 0x6fffffff
711: #define DT_LOPROC 0x70000000 /* Processor-specific range */
712: #define DT_HIPROC 0x7fffffff
713:
714: /* Flag values for DT_FLAGS */
715: #define DF_ORIGIN 0x00000001 /* uses $ORIGIN */
716: #define DF_SYMBOLIC 0x00000002 /* */
717: #define DF_TEXTREL 0x00000004 /* */
718: #define DF_BIND_NOW 0x00000008 /* */
719: #define DF_STATIC_TLS 0x00000010 /* */
720:
721: /* Flag values for DT_FLAGS_1 */
722: #define DF_1_NOW 0x00000001 /* Same as DF_BIND_NOW */
723: #define DF_1_GLOBAL 0x00000002 /* Unused */
724: #define DF_1_GROUP 0x00000004 /* Is member of group */
725: #define DF_1_NODELETE 0x00000008 /* Cannot be deleted from process */
726: #define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filters */
727: #define DF_1_INITFIRST 0x00000020 /* init/fini takes priority */
728: #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */
729: #define DF_1_ORIGIN 0x00000080 /* Require $ORIGIN processing */
730: #define DF_1_DIRECT 0x00000100 /* Enable direct bindings */
731: #define DF_1_INTERPOSE 0x00000400 /* Is an interposer */
732: #define DF_1_NODEFLIB 0x00000800 /* Ignore default library search path */
733: #define DF_1_NODUMP 0x00001000 /* Cannot be dumped with dldump(3C) */
734: #define DF_1_CONFALT 0x00002000 /* Configuration alternative */
735: #define DF_1_ENDFILTEE 0x00004000 /* Filtee ends filter's search */
736: #define DF_1_DISPRELDNE 0x00008000 /* Did displacement relocation */
737: #define DF_1_DISPRELPND 0x00010000 /* Pending displacement relocation */
738: #define DF_1_NODIRECT 0x00020000 /* Has non-direct bindings */
739: #define DF_1_IGNMULDEF 0x00040000 /* Used internally */
740: #define DF_1_NOKSYMS 0x00080000 /* Used internally */
741: #define DF_1_NOHDR 0x00100000 /* Used internally */
742: #define DF_1_EDITED 0x00200000 /* Has been modified since build */
743: #define DF_1_NORELOC 0x00400000 /* Used internally */
744: #define DF_1_SYMINTPOSE 0x00800000 /* Has individual symbol interposers */
745: #define DF_1_GLOBAUDIT 0x01000000 /* Require global auditing */
746: #define DF_1_SINGLETON 0x02000000 /* Has singleton symbols */
747: #define DF_1_STUB 0x04000000 /* Stub */
748: #define DF_1_PIE 0x08000000 /* Position Independent Executable */
749:
750: /*
751: * Auxiliary Vectors
752: */
753: typedef struct {
754: Elf32_Word a_type; /* 32-bit id */
755: Elf32_Word a_v; /* 32-bit id */
756: } Aux32Info;
757:
758: typedef struct {
759: Elf64_Word a_type; /* 32-bit id */
760: Elf64_Xword a_v; /* 64-bit id */
761: } Aux64Info;
762:
763: /* a_type */
764: #define AT_NULL 0 /* Marks end of array */
765: #define AT_IGNORE 1 /* No meaning, a_un is undefined */
766: #define AT_EXECFD 2 /* Open file descriptor of object file */
767: #define AT_PHDR 3 /* &phdr[0] */
768: #define AT_PHENT 4 /* sizeof(phdr[0]) */
769: #define AT_PHNUM 5 /* # phdr entries */
770: #define AT_PAGESZ 6 /* PAGESIZE */
771: #define AT_BASE 7 /* Interpreter base addr */
772: #define AT_FLAGS 8 /* Processor flags */
773: #define AT_ENTRY 9 /* Entry address of executable */
774: #define AT_DCACHEBSIZE 10 /* Data cache block size */
775: #define AT_ICACHEBSIZE 11 /* Instruction cache block size */
776: #define AT_UCACHEBSIZE 12 /* Unified cache block size */
777: #define AT_STACKBASE 13 /* Base address of the main thread */
778:
779: /* Vendor specific */
780: #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */
781:
782: #define AT_EUID 2000 /* euid (solaris compatible numbers) */
783: #define AT_RUID 2001 /* ruid (solaris compatible numbers) */
784: #define AT_EGID 2002 /* egid (solaris compatible numbers) */
785: #define AT_RGID 2003 /* rgid (solaris compatible numbers) */
786:
787: /* Solaris kernel specific */
788: #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */
789: #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */
790: #define AT_SUN_LDNAME 2006 /* dynamic linker's name */
791: #define AT_SUN_LPGSIZE 2007 /* large pagesize */
792:
793: /* Other information */
794: #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */
795: #define AT_SUN_HWCAP 2009 /* process hardware capabilities */
796: #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */
797: #define AT_SUN_CPU 2011 /* CPU name */
798: /* ibcs2 emulation band aid */
799: #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */
800: #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */
801: /* Executable's fully resolved name */
802: #define AT_SUN_EXECNAME 2014
803:
804: /*
805: * The header for GNU-style hash sections.
806: */
807: typedef struct {
808: uint32_t gh_nbuckets; /* Number of hash buckets. */
809: uint32_t gh_symndx; /* First visible symbol in .dynsym. */
810: uint32_t gh_maskwords; /* #maskwords used in bloom filter. */
811: uint32_t gh_shift2; /* Bloom filter shift count. */
812: } Elf_GNU_Hash_Header;
813:
814: /*
815: * Note Headers
816: */
817: typedef struct {
818: Elf32_Word n_namesz;
819: Elf32_Word n_descsz;
820: Elf32_Word n_type;
821: } Elf32_Nhdr;
822:
823: typedef struct {
824: Elf64_Word n_namesz;
825: Elf64_Word n_descsz;
826: Elf64_Word n_type;
827: } Elf64_Nhdr;
828:
829: #define ELF_NOTE_GNU_NAMESZ 4
830: #define ELF_NOTE_GNU_NAME "GNU\0"
831:
832: /*
833: * GNU-specific note type: ABI tag
834: * name: GNU\0
835: * namesz: 4
836: * desc:
837: * word[0]: OS tag
838: * word[1]: major version
839: * word[2]: minor version
840: * word[3]: teeny version
841: * descsz: 16
842: */
843: /* GNU-specific note name and description sizes */
844: #define ELF_NOTE_TYPE_ABI_TAG 1
845: #define ELF_NOTE_ABI_NAME ELF_NOTE_GNU_NAME
846: #define ELF_NOTE_ABI_NAMESZ ELF_NOTE_GNU_NAMESZ
847: #define ELF_NOTE_ABI_DESCSZ 16
848: /* GNU-specific OS/version value stuff */
849: #define ELF_NOTE_ABI_OS_LINUX 0
850: #define ELF_NOTE_ABI_OS_HURD 1
851: #define ELF_NOTE_ABI_OS_SOLARIS 2
852: #define ELF_NOTE_ABI_OS_KFREEBSD 3
853: #define ELF_NOTE_ABI_OS_KNETBSD 4
854:
855: /* Old gcc style, under the ABI tag */
856: #define ELF_NOTE_OGCC_NAMESZ 8
857: #define ELF_NOTE_OGCC_NAME "01.01\0\0\0\0"
858: #define ELF_NOTE_OGCC_DESCSZ 0
859:
860: /*
861: * GNU-specific note type: Hardware capabilities
862: * name: GNU\0
863: * namesz: 4
864: * desc:
865: * word[0]: Number of entries
866: * word[1]: Bitmask of enabled entries
867: * Followed by a byte id, and a NUL terminated string per entry
868: * descsz: variable
869: */
870: #define ELF_NOTE_TYPE_GNU_HWCAP 2
871:
872: /*
873: * GNU-specific note type: Build ID generated by ld
874: * name: GNU\0
875: * desc:
876: * word[0..4] SHA1 [default]
877: * or
878: * word[0..3] md5 or uuid
879: * descsz: 16 or 20
880: */
881: #define ELF_NOTE_TYPE_GNU_BUILD_ID 3
882:
883: /* SuSE-specific note type: ABI
884: * name: SuSE\0
885: * namesz: 5
886: * desc:
887: * half[0] = MMmm
888: *
889: * M = product major version
890: * m = product minor version
891: * descsz: 2
892: */
893: #define ELF_NOTE_TYPE_SUSE_TAG 1
894: /* SuSE-specific note name and description sizes */
895: #define ELF_NOTE_SUSE_NAMESZ 5
896: #define ELF_NOTE_SUSE_DESCSZ 2
897: /* SuSE-specific note name */
898: #define ELF_NOTE_SUSE_NAME "SuSE\0"
899:
900: /* SuSE-specific note type: version
901: * name: SuSE\0\0\0\0
902: * namesz: 8
903: * desc:
904: * word[0] = VVTTMMmm
905: *
906: * V = version of following data
907: * T = product type: [box, sles, nld, whatever]
908: * M = product major version
909: * m = product minor version
910: * descsz: 8
911: */
912: #define ELF_NOTE_TYPE_SUSE_VERSION_TAG 0x45537553 /* SuSE in LE */
913: /* SuSE-specific note name and description sizes */
914: #define ELF_NOTE_SUSE_VERSION_NAMESZ 8
915: #define ELF_NOTE_SUSE_VERSION_DESCSZ 8
916: /* SuSE-specific note name */
917: #define ELF_NOTE_SUSE_VERSION_NAME "SuSE\0\0\0\0"
918:
919: /* Go-specific note type: buildid
920: * name: Go\0\0
921: * namesz: 4
922: * desc:
923: * words[10]
924: * descsz: 40
925: */
926: #define ELF_NOTE_TYPE_GO_BUILDID_TAG 4
927: #define ELF_NOTE_GO_BUILDID_NAMESZ 4
928: #define ELF_NOTE_GO_BUILDID_DESCSZ 40
929: #define ELF_NOTE_GO_BUILDID_NAME "Go\0\0"
930:
931: /* NetBSD-specific note type: NetBSD ABI version.
932: * name: NetBSD\0\0
933: * namesz: 8
934: * desc:
935: * word[0]: MMmmrrpp00
936: *
937: * M = major version
938: * m = minor version
939: * r = release ["",A-Z,Z[A-Z] but numeric]
940: * p = patchlevel
941: * descsz: 4
942: */
943: #define ELF_NOTE_TYPE_NETBSD_TAG 1
944: /* NetBSD-specific note name and description sizes */
945: #define ELF_NOTE_NETBSD_NAMESZ 7
946: #define ELF_NOTE_NETBSD_DESCSZ 4
947: /* NetBSD-specific note name */
948: #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0"
949:
950: /* NetBSD-specific note type: Emulation (obsolete; last used early 2000)
951: * name: NetBSD\0\0
952: * namesz: 8
953: * desc:
954: * "netbsd\0"
955: *
956: * descsz: 8
957: */
958: #define ELF_NOTE_TYPE_NETBSD_EMUL_TAG 2
959: #define ELF_NOTE_NETBSD_EMUL_NAMESZ 7
960: #define ELF_NOTE_NETBSD_EMUL_DESCSZ 7
961: /* NetBSD-specific note name */
962: #define ELF_NOTE_NETBSD_EMUL_NAME "NetBSD\0\0"
963:
964: /*
965: * NetBSD-specific note type: PaX.
966: * There should be 1 NOTE per executable.
967: * name: PaX\0
968: * namesz: 4
969: * desc:
970: * word[0]: capability bitmask
971: * descsz: 4
972: */
973: #define ELF_NOTE_TYPE_PAX_TAG 3
974: #define ELF_NOTE_PAX_MPROTECT 0x01 /* Force enable Mprotect */
975: #define ELF_NOTE_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
976: #define ELF_NOTE_PAX_GUARD 0x04 /* Force enable Segvguard */
977: #define ELF_NOTE_PAX_NOGUARD 0x08 /* Force disable Segvguard */
978: #define ELF_NOTE_PAX_ASLR 0x10 /* Force enable ASLR */
979: #define ELF_NOTE_PAX_NOASLR 0x20 /* Force disable ASLR */
980: #define ELF_NOTE_PAX_NAMESZ 4
981: #define ELF_NOTE_PAX_NAME "PaX\0"
982: #define ELF_NOTE_PAX_DESCSZ 4
983:
984: /*
985: * NetBSD-specific core file information.
986: *
987: * NetBSD ELF core files use notes to provide information about
988: * the process's state. The note name is "NetBSD-CORE" for
989: * information that is global to the process, and "NetBSD-CORE@nn",
990: * where "nn" is the lwpid of the LWP that the information belongs
991: * to (such as register state).
992: *
993: * We use the following note identifiers:
994: *
995: * ELF_NOTE_NETBSD_CORE_PROCINFO
996: * Note is a "netbsd_elfcore_procinfo" structure.
997: * ELF_NOTE_NETBSD_CORE_AUXV
998: * Note is an array of AuxInfo structures.
999: *
1000: * We also use ptrace(2) request numbers (the ones that exist in
1001: * machine-dependent space) to identify register info notes. The
1002: * info in such notes is in the same format that ptrace(2) would
1003: * export that information.
1004: *
1005: * Please try to keep the members of this structure nicely aligned,
1006: * and if you add elements, add them to the end and bump the version.
1007: */
1008:
1009: #define ELF_NOTE_NETBSD_CORE_NAME "NetBSD-CORE"
1010:
1011: #define ELF_NOTE_NETBSD_CORE_PROCINFO 1
1012: #define ELF_NOTE_NETBSD_CORE_AUXV 2
1013:
1014: #define NETBSD_ELFCORE_PROCINFO_VERSION 1
1015:
1016: struct netbsd_elfcore_procinfo {
1017: /* Version 1 fields start here. */
1018: uint32_t cpi_version; /* our version */
1019: uint32_t cpi_cpisize; /* sizeof(this struct) */
1020: uint32_t cpi_signo; /* killing signal */
1021: uint32_t cpi_sigcode; /* signal code */
1022: uint32_t cpi_sigpend[4]; /* pending signals */
1023: uint32_t cpi_sigmask[4]; /* blocked signals */
1024: uint32_t cpi_sigignore[4]; /* ignored signals */
1025: uint32_t cpi_sigcatch[4]; /* caught signals */
1026: int32_t cpi_pid; /* process ID */
1027: int32_t cpi_ppid; /* parent process ID */
1028: int32_t cpi_pgrp; /* process group ID */
1029: int32_t cpi_sid; /* session ID */
1030: uint32_t cpi_ruid; /* real user ID */
1031: uint32_t cpi_euid; /* effective user ID */
1032: uint32_t cpi_svuid; /* saved user ID */
1033: uint32_t cpi_rgid; /* real group ID */
1034: uint32_t cpi_egid; /* effective group ID */
1035: uint32_t cpi_svgid; /* saved group ID */
1036: uint32_t cpi_nlwps; /* number of LWPs */
1037: int8_t cpi_name[32]; /* copy of p->p_comm */
1038: /* Add version 2 fields below here. */
1039: int32_t cpi_siglwp; /* LWP target of killing signal */
1040: };
1041:
1042: /*
1043: * NetBSD-specific note type: MACHINE_ARCH.
1044: * There should be 1 NOTE per executable.
1045: * name: NetBSD\0
1046: * namesz: 7
1047: * desc: string
1048: * descsz: variable
1049: */
1050: #define ELF_NOTE_TYPE_MARCH_TAG 5
1051: /* NetBSD-specific note name and description sizes */
1052: #define ELF_NOTE_MARCH_NAMESZ ELF_NOTE_NETBSD_NAMESZ
1053: /* NetBSD-specific note name */
1054: #define ELF_NOTE_MARCH_NAME ELF_NOTE_NETBSD_NAME
1055:
1056: /*
1057: * NetBSD-specific note type: MCMODEL
1058: * There should be 1 NOTE per executable.
1059: * name: NetBSD\0
1060: * namesz: 7
1061: * code model: string
1062: */
1063:
1064: #define ELF_NOTE_TYPE_MCMODEL_TAG 6
1065: /* NetBSD-specific note name and description sizes */
1066: #define ELF_NOTE_MCMODEL_NAMESZ ELF_NOTE_NETBSD_NAMESZ
1067: /* NetBSD-specific note name */
1068: #define ELF_NOTE_MCMODEL_NAME ELF_NOTE_NETBSD_NAME
1069:
1070:
1071: #if !defined(ELFSIZE)
1072: # if defined(_RUMPKERNEL) || !defined(_KERNEL)
1073: # define ELFSIZE ARCH_ELFSIZE
1074: # else
1075: # define ELFSIZE KERN_ELFSIZE
1076: # endif
1077: #endif
1078:
1079: #if defined(ELFSIZE)
1080: #define CONCAT(x,y) __CONCAT(x,y)
1081: #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
1082: #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
1083: #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
1084: #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
1085: #define ElfW(x) CONCAT(Elf,CONCAT(ELFSIZE,CONCAT(_,x)))
1086: #endif
1087:
1088: #if defined(ELFSIZE) && (ELFSIZE == 32)
1089: #define Elf_Ehdr Elf32_Ehdr
1090: #define Elf_Phdr Elf32_Phdr
1091: #define Elf_Shdr Elf32_Shdr
1092: #define Elf_Sym Elf32_Sym
1093: #define Elf_Rel Elf32_Rel
1094: #define Elf_Rela Elf32_Rela
1095: #define Elf_Dyn Elf32_Dyn
1096: #define Elf_Word Elf32_Word
1097: #define Elf_Sword Elf32_Sword
1098: #define Elf_Half Elf32_Half
1099: #define Elf_Addr Elf32_Addr
1100: #define Elf_Off Elf32_Off
1101: #define Elf_SOff Elf32_SOff
1102: #define Elf_Nhdr Elf32_Nhdr
1103: #define Elf_Verdef Elf32_Verdef
1104: #define Elf_Verdaux Elf32_Verdaux
1105: #define Elf_Verneed Elf32_Verneed
1106: #define Elf_Vernaux Elf32_Vernaux
1107: #define Elf_Versym Elf32_Versym
1108:
1109: #define ELF_R_SYM ELF32_R_SYM
1110: #define ELF_R_TYPE ELF32_R_TYPE
1111: #define ELFCLASS ELFCLASS32
1112:
1113: #define AuxInfo Aux32Info
1114: #elif defined(ELFSIZE) && (ELFSIZE == 64)
1115: #define Elf_Ehdr Elf64_Ehdr
1116: #define Elf_Phdr Elf64_Phdr
1117: #define Elf_Shdr Elf64_Shdr
1118: #define Elf_Sym Elf64_Sym
1119: #define Elf_Rel Elf64_Rel
1120: #define Elf_Rela Elf64_Rela
1121: #define Elf_Dyn Elf64_Dyn
1122: #define Elf_Word Elf64_Word
1123: #define Elf_Sword Elf64_Sword
1124: #define Elf_Half Elf64_Half
1125: #define Elf_Addr Elf64_Addr
1126: #define Elf_Off Elf64_Off
1127: #define Elf_SOff Elf64_SOff
1128: #define Elf_Nhdr Elf64_Nhdr
1129: #define Elf_Verdef Elf64_Verdef
1130: #define Elf_Verdaux Elf64_Verdaux
1131: #define Elf_Verneed Elf64_Verneed
1132: #define Elf_Vernaux Elf64_Vernaux
1133: #define Elf_Versym Elf64_Versym
1134:
1135: #define ELF_R_SYM ELF64_R_SYM
1136: #define ELF_R_TYPE ELF64_R_TYPE
1137: #define ELFCLASS ELFCLASS64
1138:
1139: #define AuxInfo Aux64Info
1140: #endif
1141:
1142: #ifndef Elf_Symindx
1143: #define Elf_Symindx uint32_t
1144: #endif
1145:
1146: #define ELF32_ST_BIND(info) ELF_ST_BIND(info)
1147: #define ELF32_ST_TYPE(info) ELF_ST_TYPE(info)
1148: #define ELF32_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
1149: #define ELF32_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
1150:
1151: #define ELF64_ST_BIND(info) ELF_ST_BIND(info)
1152: #define ELF64_ST_TYPE(info) ELF_ST_TYPE(info)
1153: #define ELF64_ST_INFO(bind,type) ELF_ST_INFO(bind,type)
1154: #define ELF64_ST_VISIBILITY(other) ELF_ST_VISIBILITY(other)
1155:
1156: typedef struct {
1157: Elf32_Half si_boundto; /* direct bindings - symbol bound to */
1158: Elf32_Half si_flags; /* per symbol flags */
1159: } Elf32_Syminfo;
1160:
1161: typedef struct {
1162: Elf64_Word si_boundto; /* direct bindings - symbol bound to */
1163: Elf64_Word si_flags; /* per symbol flags */
1164: } Elf64_Syminfo;
1165:
1166: #define SYMINFO_FLG_DIRECT 0x0001 /* symbol ref has direct association
1167: to object containing definition */
1168: #define SYMINFO_FLG_PASSTHRU 0x0002 /* ignored - see SYMINFO_FLG_FILTER */
1169: #define SYMINFO_FLG_COPY 0x0004 /* symbol is a copy-reloc */
1170: #define SYMINFO_FLG_LAZYLOAD 0x0008 /* object containing defn should be
1171: lazily-loaded */
1172: #define SYMINFO_FLG_DIRECTBIND 0x0010 /* ref should be bound directly to
1173: object containing definition */
1174: #define SYMINFO_FLG_NOEXTDIRECT 0x0020 /* don't let an external reference
1175: directly bind to this symbol */
1176: #define SYMINFO_FLG_FILTER 0x0002 /* symbol ref is associated to a */
1177: #define SYMINFO_FLG_AUXILIARY 0x0040 /* standard or auxiliary filter */
1178:
1179: #define SYMINFO_BT_SELF 0xffff /* symbol bound to self */
1180: #define SYMINFO_BT_PARENT 0xfffe /* symbol bound to parent */
1181: #define SYMINFO_BT_NONE 0xfffd /* no special symbol binding */
1182: #define SYMINFO_BT_EXTERN 0xfffc /* symbol defined as external */
1183: #define SYMINFO_BT_LOWRESERVE 0xff00 /* beginning of reserved entries */
1184:
1185: #define SYMINFO_NONE 0 /* Syminfo version */
1186: #define SYMINFO_CURRENT 1
1187: #define SYMINFO_NUM 2
1188:
1189: /*
1190: * These constants are used for Elf32_Verdef struct's version number.
1191: */
1192: #define VER_DEF_NONE 0
1193: #define VER_DEF_CURRENT 1
1194:
1195: /*
1196: * These constants are used for Elf32_Verdef struct's vd_ndx.
1197: */
1198: #define VER_DEF_IDX(x) VER_NDX(x)
1199:
1200: /*
1201: * These constants are used for Elf32_Verdef struct's vd_flags.
1202: */
1203: #define VER_FLG_BASE 0x1
1204: #define VER_FLG_WEAK 0x2
1205:
1206: /*
1207: * These are used in an Elf32_Versym field.
1208: */
1209: #define VER_NDX_LOCAL 0
1210: #define VER_NDX_GLOBAL 1
1211: #define VER_NDX_GIVEN 2
1212:
1213: /*
1214: * These constants are used for Elf32_Verneed struct's version number.
1215: */
1216: #define VER_NEED_NONE 0
1217: #define VER_NEED_CURRENT 1
1218:
1219: /*
1220: * These constants are used for Elf32_Vernaux struct's vna_other.
1221: */
1222: #define VER_NEED_HIDDEN VER_NDX_HIDDEN
1223: #define VER_NEED_IDX(x) VER_NDX(x)
1224:
1225: /* index */
1226: #define VER_NDX_HIDDEN 0x8000
1227: #define VER_NDX(x) ((x) & ~VER_NDX_HIDDEN)
1228:
1229: /*
1230: * GNU Extension hidding symbol
1231: */
1232: #define VERSYM_HIDDEN 0x8000
1233: #define VERSYM_VERSION 0x7fff
1234:
1235: #define ELF_VER_CHR '@'
1236:
1237: /*
1238: * These are current size independent.
1239: */
1240:
1241: typedef struct {
1242: Elf32_Half vd_version; /* version number of structure */
1243: Elf32_Half vd_flags; /* flags (VER_FLG_*) */
1244: Elf32_Half vd_ndx; /* version index */
1245: Elf32_Half vd_cnt; /* number of verdaux entries */
1246: Elf32_Word vd_hash; /* hash of name */
1247: Elf32_Word vd_aux; /* offset to verdaux entries */
1248: Elf32_Word vd_next; /* offset to next verdef */
1249: } Elf32_Verdef;
1250: typedef Elf32_Verdef Elf64_Verdef;
1251:
1252: typedef struct {
1253: Elf32_Word vda_name; /* string table offset of name */
1254: Elf32_Word vda_next; /* offset to verdaux */
1255: } Elf32_Verdaux;
1256: typedef Elf32_Verdaux Elf64_Verdaux;
1257:
1258: typedef struct {
1259: Elf32_Half vn_version; /* version number of structure */
1260: Elf32_Half vn_cnt; /* number of vernaux entries */
1261: Elf32_Word vn_file; /* string table offset of library name*/
1262: Elf32_Word vn_aux; /* offset to vernaux entries */
1263: Elf32_Word vn_next; /* offset to next verneed */
1264: } Elf32_Verneed;
1265: typedef Elf32_Verneed Elf64_Verneed;
1266:
1267: typedef struct {
1268: Elf32_Word vna_hash; /* Hash of dependency name */
1269: Elf32_Half vna_flags; /* flags (VER_FLG_*) */
1270: Elf32_Half vna_other; /* unused */
1271: Elf32_Word vna_name; /* string table offset to version name*/
1272: Elf32_Word vna_next; /* offset to next vernaux */
1273: } Elf32_Vernaux;
1274: typedef Elf32_Vernaux Elf64_Vernaux;
1275:
1276: typedef struct {
1277: Elf32_Half vs_vers;
1278: } Elf32_Versym;
1279: typedef Elf32_Versym Elf64_Versym;
1280:
1281: #ifdef _KERNEL
1282:
1283: /*
1284: * Arbitrary limits to avoid DoS for excessive memory allocation.
1285: */
1286: #define ELF_MAXPHNUM 128
1287: #define ELF_MAXSHNUM 32768
1288: #define ELF_MAXNOTESIZE 1024
1289:
1290: #define ELF_AUX_ENTRIES 15 /* Max size of aux array passed to loader */
1291: #define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */
1292: #define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */
1293: #define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */
1294: #define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */
1295:
1296: #if defined(ELFSIZE) && (ELFSIZE == 64)
1297: #define ELF_NO_ADDR ELF64_NO_ADDR
1298: #define ELF_LINK_ADDR ELF64_LINK_ADDR
1299: #elif defined(ELFSIZE) && (ELFSIZE == 32)
1300: #define ELF_NO_ADDR ELF32_NO_ADDR
1301: #define ELF_LINK_ADDR ELF32_LINK_ADDR
1302: #endif
1303:
1304: #ifndef ELF32_EHDR_FLAGS_OK
1305: #define ELF32_EHDR_FLAGS_OK(eh) 1
1306: #endif
1307:
1308: #ifndef ELF64_EHDR_FLAGS_OK
1309: #define ELF64_EHDR_FLAGS_OK(eh) 1
1310: #endif
1311:
1312: #if defined(ELFSIZE) && (ELFSIZE == 64)
1313: #define ELF_EHDR_FLAGS_OK(eh) ELF64_EHDR_FLAGS_OK(eh)
1314: #else
1315: #define ELF_EHDR_FLAGS_OK(eh) ELF32_EHDR_FLAGS_OK(eh)
1316: #endif
1317:
1318: #if defined(ELFSIZE)
1319: struct elf_args {
1320: Elf_Addr arg_entry; /* program entry point */
1321: Elf_Addr arg_interp; /* Interpreter load address */
1322: Elf_Addr arg_phaddr; /* program header address */
1323: Elf_Addr arg_phentsize; /* Size of program header */
1324: Elf_Addr arg_phnum; /* Number of program headers */
1325: };
1326: #endif
1327:
1328: #ifdef _KERNEL_OPT
1329: #include "opt_execfmt.h"
1330: #endif
1331:
1332: struct ps_strings;
1333: struct coredump_iostate;
1334: struct note_state;
1335: struct exec_package;
1336:
1337: #ifdef EXEC_ELF32
1338: int exec_elf32_makecmds(struct lwp *, struct exec_package *);
1339: int elf32_populate_auxv(struct lwp *, struct exec_package *, char **);
1340: int elf32_copyargs(struct lwp *, struct exec_package *,
1341: struct ps_strings *, char **, void *);
1342:
1343: int coredump_elf32(struct lwp *, struct coredump_iostate *);
1344: void coredump_savenote_elf32(struct note_state *, unsigned int,
1345: const char *, void *, size_t);
1346:
1347: int elf32_check_header(Elf32_Ehdr *);
1348: #endif
1349:
1350: #ifdef EXEC_ELF64
1351: int exec_elf64_makecmds(struct lwp *, struct exec_package *);
1352: int elf64_populate_auxv(struct lwp *, struct exec_package *, char **);
1353: int elf64_copyargs(struct lwp *, struct exec_package *,
1354: struct ps_strings *, char **, void *);
1355:
1356: int coredump_elf64(struct lwp *, struct coredump_iostate *);
1357: void coredump_savenote_elf64(struct note_state *, unsigned int,
1358: const char *, void *, size_t);
1359:
1360: int elf64_check_header(Elf64_Ehdr *);
1361: #endif
1362:
1363: #endif /* _KERNEL */
1364:
1365: #endif /* !_SYS_EXEC_ELF_H_ */
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