| 1 | /*	$NetBSD: exec_elf.h,v 1.177 2025/05/27 14:03:08 christos 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 | #include <stddef.h> |
| 48 | #endif /* _KERNEL || _STANDALONE */ |
| 49 | |
| 50 | #if HAVE_NBTOOL_CONFIG_H |
| 51 | #include <nbinclude/machine/elf_machdep.h> |
| 52 | #else |
| 53 | #include <machine/elf_machdep.h> |
| 54 | #endif |
| 55 | |
| 56 | typedef uint8_t		Elf_Byte; |
| 57 | |
| 58 | typedef uint32_t	Elf32_Addr; |
| 59 | #define ELF32_FSZ_ADDR	4 |
| 60 | typedef uint32_t	Elf32_Off; |
| 61 | typedef int32_t		Elf32_SOff; |
| 62 | #define ELF32_FSZ_OFF	4 |
| 63 | typedef int32_t		Elf32_Sword; |
| 64 | #define ELF32_FSZ_SWORD 4 |
| 65 | typedef uint32_t	Elf32_Word; |
| 66 | #define ELF32_FSZ_WORD	4 |
| 67 | typedef uint16_t	Elf32_Half; |
| 68 | #define ELF32_FSZ_HALF	2 |
| 69 | typedef uint64_t	Elf32_Lword; |
| 70 | #define ELF32_FSZ_LWORD 8 |
| 71 | |
| 72 | typedef uint64_t	Elf64_Addr; |
| 73 | #define ELF64_FSZ_ADDR	8 |
| 74 | typedef uint64_t	Elf64_Off; |
| 75 | typedef int64_t		Elf64_SOff; |
| 76 | #define ELF64_FSZ_OFF	8 |
| 77 | |
| 78 | typedef int32_t		Elf64_Sword; |
| 79 | #define ELF64_FSZ_SWORD 4 |
| 80 | typedef uint32_t	Elf64_Word; |
| 81 | #define ELF64_FSZ_WORD	4 |
| 82 | |
| 83 | typedef int64_t		Elf64_Sxword; |
| 84 | #define ELF64_FSZ_SXWORD 8 |
| 85 | typedef uint64_t	Elf64_Xword; |
| 86 | #define ELF64_FSZ_XWORD 8 |
| 87 | typedef uint64_t	Elf64_Lword; |
| 88 | #define ELF64_FSZ_LWORD 8 |
| 89 | typedef uint16_t	Elf64_Half; |
| 90 | #define ELF64_FSZ_HALF 2 |
| 91 | |
| 92 | /* |
| 93 | * ELF Header |
| 94 | */ |
| 95 | #define ELF_NIDENT	16 |
| 96 | |
| 97 | typedef struct { |
| 98 | 	unsigned char	e_ident[ELF_NIDENT];	/* Id bytes */ |
| 99 | 	Elf32_Half	e_type;			/* file type */ |
| 100 | 	Elf32_Half	e_machine;		/* machine type */ |
| 101 | 	Elf32_Word	e_version;		/* version number */ |
| 102 | 	Elf32_Addr	e_entry;		/* entry point */ |
| 103 | 	Elf32_Off	e_phoff;		/* Program hdr offset */ |
| 104 | 	Elf32_Off	e_shoff;		/* Section hdr offset */ |
| 105 | 	Elf32_Word	e_flags;		/* Processor flags */ |
| 106 | 	Elf32_Half	e_ehsize;		/* sizeof ehdr */ |
| 107 | 	Elf32_Half	e_phentsize;		/* Program header entry size */ |
| 108 | 	Elf32_Half	e_phnum;		/* Number of program headers */ |
| 109 | 	Elf32_Half	e_shentsize;		/* Section header entry size */ |
| 110 | 	Elf32_Half	e_shnum;		/* Number of section headers */ |
| 111 | 	Elf32_Half	e_shstrndx;		/* String table index */ |
| 112 | } Elf32_Ehdr; |
| 113 | |
| 114 | typedef struct { |
| 115 | 	unsigned char	e_ident[ELF_NIDENT];	/* Id bytes */ |
| 116 | 	Elf64_Half	e_type;			/* file type */ |
| 117 | 	Elf64_Half	e_machine;		/* machine type */ |
| 118 | 	Elf64_Word	e_version;		/* version number */ |
| 119 | 	Elf64_Addr	e_entry;		/* entry point */ |
| 120 | 	Elf64_Off	e_phoff;		/* Program hdr offset */ |
| 121 | 	Elf64_Off	e_shoff;		/* Section hdr offset */ |
| 122 | 	Elf64_Word	e_flags;		/* Processor flags */ |
| 123 | 	Elf64_Half	e_ehsize;		/* sizeof ehdr */ |
| 124 | 	Elf64_Half	e_phentsize;		/* Program header entry size */ |
| 125 | 	Elf64_Half	e_phnum;		/* Number of program headers */ |
| 126 | 	Elf64_Half	e_shentsize;		/* Section header entry size */ |
| 127 | 	Elf64_Half	e_shnum;		/* Number of section headers */ |
| 128 | 	Elf64_Half	e_shstrndx;		/* String table index */ |
| 129 | } Elf64_Ehdr; |
| 130 | |
| 131 | /* e_ident offsets */ |
| 132 | #define EI_MAG0		0	/* '\177' */ |
| 133 | #define EI_MAG1		1	/* 'E'	 */ |
| 134 | #define EI_MAG2		2	/* 'L'	 */ |
| 135 | #define EI_MAG3		3	/* 'F'	 */ |
| 136 | #define EI_CLASS	4	/* File class */ |
| 137 | #define EI_DATA		5	/* Data encoding */ |
| 138 | #define EI_VERSION	6	/* File version */ |
| 139 | #define EI_OSABI	7	/* Operating system/ABI identification */ |
| 140 | #define EI_ABIVERSION	8	/* ABI version */ |
| 141 | #define EI_PAD		9	/* Start of padding bytes up to EI_NIDENT*/ |
| 142 | #define EI_NIDENT	16	/* First non-ident header byte */ |
| 143 | |
| 144 | /* e_ident[EI_MAG0,EI_MAG3] */ |
| 145 | #define ELFMAG0		0x7f |
| 146 | #define ELFMAG1		'E' |
| 147 | #define ELFMAG2		'L' |
| 148 | #define ELFMAG3		'F' |
| 149 | #define ELFMAG		"\177ELF" |
| 150 | #define SELFMAG		4 |
| 151 | |
| 152 | /* e_ident[EI_CLASS] */ |
| 153 | #define ELFCLASSNONE	0	/* Invalid class */ |
| 154 | #define ELFCLASS32	1	/* 32-bit objects */ |
| 155 | #define ELFCLASS64	2	/* 64-bit objects */ |
| 156 | #define ELFCLASSNUM	3 |
| 157 | |
| 158 | /* e_ident[EI_DATA] */ |
| 159 | #define ELFDATANONE	0	/* Invalid data encoding */ |
| 160 | #define ELFDATA2LSB	1	/* 2's complement values, LSB first */ |
| 161 | #define ELFDATA2MSB	2	/* 2's complement values, MSB first */ |
| 162 | |
| 163 | /* e_ident[EI_VERSION] */ |
| 164 | #define EV_NONE		0	/* Invalid version */ |
| 165 | #define EV_CURRENT	1	/* Current version */ |
| 166 | #define EV_NUM		2 |
| 167 | |
| 168 | /* e_ident[EI_OSABI] */ |
| 169 | #define ELFOSABI_SYSV		0	/* UNIX System V ABI */ |
| 170 | #define ELFOSABI_HPUX		1	/* HP-UX operating system */ |
| 171 | #define ELFOSABI_NETBSD		2	/* NetBSD */ |
| 172 | #define ELFOSABI_GNU		3	/* GNU/Linux */ |
| 173 | #define ELFOSABI_HURD		4	/* GNU/Hurd - historical */ |
| 174 | #define ELFOSABI_86OPEN		5	/* 86Open - historical */ |
| 175 | #define ELFOSABI_SOLARIS	6	/* Solaris */ |
| 176 | #define ELFOSABI_AIX		7	/* AIX */ |
| 177 | #define ELFOSABI_IRIX		8	/* IRIX */ |
| 178 | #define ELFOSABI_FREEBSD	9	/* FreeBSD */ |
| 179 | #define ELFOSABI_TRU64		10	/* TRU64 UNIX */ |
| 180 | #define ELFOSABI_MODESTO	11	/* Novell Modesto */ |
| 181 | #define ELFOSABI_OPENBSD	12	/* OpenBSD */ |
| 182 | #define ELFOSABI_OPENVMS	13	/* OpenVMS */ |
| 183 | #define ELFOSABI_NSK		14	/* HP Non-Stop Kernel */ |
| 184 | #define ELFOSABI_AROS		15	/* Amiga Research OS */ |
| 185 | #define ELFOSABI_FENIXOS	16	/* The FenixOS highly scalable multi-core OS */ |
| 186 | #define ELFOSABI_CLOUDABI	17	/* Nuxi CloudABI */ |
| 187 | #define ELFOSABI_OPENVOS	18	/* Stratus Technologies OpenVOS */ |
| 188 | /* Unofficial OSABIs follow */ |
| 189 | #define ELFOSABI_ARM		97	/* ARM */ |
| 190 | #define ELFOSABI_STANDALONE	255	/* Standalone (embedded) application */ |
| 191 | |
| 192 | #define ELFOSABI_NONE		ELFOSABI_SYSV |
| 193 | |
| 194 | /* Historical aliases. */ |
| 195 | #define ELFOSABI_LINUX		ELFOSABI_GNU |
| 196 | #define ELFOSABI_MONTEREY	ELFOSABI_AIX |
| 197 | |
| 198 | /* e_type */ |
| 199 | #define ET_NONE		0	/* No file type */ |
| 200 | #define ET_REL		1	/* Relocatable file */ |
| 201 | #define ET_EXEC		2	/* Executable file */ |
| 202 | #define ET_DYN		3	/* Shared object file */ |
| 203 | #define ET_CORE		4	/* Core file */ |
| 204 | #define ET_NUM		5 |
| 205 | |
| 206 | #define ET_LOOS		0xfe00	/* Operating system specific range */ |
| 207 | #define ET_HIOS		0xfeff |
| 208 | #define ET_LOPROC	0xff00	/* Processor-specific range */ |
| 209 | #define ET_HIPROC	0xffff |
| 210 | |
| 211 | /* e_machine */ |
| 212 | #define EM_NONE		0	/* No machine */ |
| 213 | #define EM_M32		1	/* AT&T WE 32100 */ |
| 214 | #define EM_SPARC	2	/* SPARC */ |
| 215 | #define EM_386		3	/* Intel 80386 */ |
| 216 | #define EM_68K		4	/* Motorola 68000 */ |
| 217 | #define EM_88K		5	/* Motorola 88000 */ |
| 218 | #define EM_486		6	/* Intel 80486 [old] */ |
| 219 | #define EM_IAMCU	EM_486	/* Intel MCU. */ |
| 220 | #define EM_860		7	/* Intel 80860 */ |
| 221 | #define EM_MIPS		8	/* MIPS I Architecture */ |
| 222 | #define EM_S370		9	/* Amdahl UTS on System/370 */ |
| 223 | #define EM_MIPS_RS3_LE	10	/* MIPS RS3000 Little-endian */ |
| 224 | 			/* 11-14 - Reserved */ |
| 225 | #define EM_RS6000	11	/* IBM RS/6000 XXX reserved */ |
| 226 | #define EM_PARISC	15	/* Hewlett-Packard PA-RISC */ |
| 227 | #define EM_NCUBE	16	/* NCube XXX reserved */ |
| 228 | #define EM_VPP500	17	/* Fujitsu VPP500 */ |
| 229 | #define EM_SPARC32PLUS	18	/* Enhanced instruction set SPARC */ |
| 230 | #define EM_960		19	/* Intel 80960 */ |
| 231 | #define EM_PPC		20	/* PowerPC */ |
| 232 | #define EM_PPC64	21	/* 64-bit PowerPC */ |
| 233 | #define EM_S390		22	/* IBM System/390 Processor */ |
| 234 | #define EM_SPU		23	/* IBM SPU/SPC */ |
| 235 | 			/* 24-35 - Reserved */ |
| 236 | #define EM_V800		36	/* NEC V800 */ |
| 237 | #define EM_FR20		37	/* Fujitsu FR20 */ |
| 238 | #define EM_RH32		38	/* TRW RH-32 */ |
| 239 | #define EM_RCE		39	/* Motorola RCE */ |
| 240 | #define EM_ARM		40	/* Advanced RISC Machines ARM */ |
| 241 | #define EM_OLD_ALPHA	41	/* DIGITAL Alpha (obsolete) */ |
| 242 | #define EM_SH		42	/* Hitachi Super-H */ |
| 243 | #define EM_SPARCV9	43	/* SPARC Version 9 */ |
| 244 | #define EM_TRICORE	44	/* Siemens Tricore */ |
| 245 | #define EM_ARC		45	/* Argonaut RISC Core */ |
| 246 | #define EM_H8_300	46	/* Hitachi H8/300 */ |
| 247 | #define EM_H8_300H	47	/* Hitachi H8/300H */ |
| 248 | #define EM_H8S		48	/* Hitachi H8S */ |
| 249 | #define EM_H8_500	49	/* Hitachi H8/500 */ |
| 250 | #define EM_IA_64	50	/* Intel Merced Processor */ |
| 251 | #define EM_MIPS_X	51	/* Stanford MIPS-X */ |
| 252 | #define EM_COLDFIRE	52	/* Motorola Coldfire */ |
| 253 | #define EM_68HC12	53	/* Motorola MC68HC12 */ |
| 254 | #define EM_MMA		54	/* Fujitsu MMA Multimedia Accelerator */ |
| 255 | #define EM_PCP		55	/* Siemens PCP */ |
| 256 | #define EM_NCPU		56	/* Sony nCPU embedded RISC processor */ |
| 257 | #define EM_NDR1		57	/* Denso NDR1 microprocessor */ |
| 258 | #define EM_STARCORE	58	/* Motorola Star*Core processor */ |
| 259 | #define EM_ME16		59	/* Toyota ME16 processor */ |
| 260 | #define EM_ST100	60	/* STMicroelectronics ST100 processor */ |
| 261 | #define EM_TINYJ	61	/* Advanced Logic Corp. TinyJ embedded family processor */ |
| 262 | #define EM_X86_64	62	/* AMD x86-64 architecture */ |
| 263 | #define EM_PDSP		63	/* Sony DSP Processor */ |
| 264 | #define EM_PDP10	64	/* Digital Equipment Corp. PDP-10 */ |
| 265 | #define EM_PDP11	65	/* Digital Equipment Corp. PDP-11 */ |
| 266 | #define EM_FX66		66	/* Siemens FX66 microcontroller */ |
| 267 | #define EM_ST9PLUS	67	/* STMicroelectronics ST9+ 8/16 bit microcontroller */ |
| 268 | #define EM_ST7		68	/* STMicroelectronics ST7 8-bit microcontroller */ |
| 269 | #define EM_68HC16	69	/* Motorola MC68HC16 Microcontroller */ |
| 270 | #define EM_68HC11	70	/* Motorola MC68HC11 Microcontroller */ |
| 271 | #define EM_68HC08	71	/* Motorola MC68HC08 Microcontroller */ |
| 272 | #define EM_68HC05	72	/* Motorola MC68HC05 Microcontroller */ |
| 273 | #define EM_SVX		73	/* Silicon Graphics SVx */ |
| 274 | #define EM_ST19		74	/* STMicroelectronics ST19 8-bit CPU */ |
| 275 | #define EM_VAX		75	/* Digital VAX */ |
| 276 | #define EM_CRIS		76	/* Axis Communications 32-bit embedded processor */ |
| 277 | #define EM_JAVELIN	77	/* Infineon Technologies 32-bit embedded CPU */ |
| 278 | #define EM_FIREPATH	78	/* Element 14 64-bit DSP processor */ |
| 279 | #define EM_ZSP		79	/* LSI Logic's 16-bit DSP processor */ |
| 280 | #define EM_MMIX		80	/* Donald Knuth's educational 64-bit processor */ |
| 281 | #define EM_HUANY	81	/* Harvard's machine-independent format */ |
| 282 | #define EM_PRISM	82	/* SiTera Prism */ |
| 283 | #define EM_AVR		83	/* Atmel AVR 8-bit microcontroller */ |
| 284 | #define EM_FR30		84	/* Fujitsu FR30 */ |
| 285 | #define EM_D10V		85	/* Mitsubishi D10V */ |
| 286 | #define EM_D30V		86	/* Mitsubishi D30V */ |
| 287 | #define EM_V850		87	/* NEC v850 */ |
| 288 | #define EM_M32R		88	/* Mitsubishi M32R */ |
| 289 | #define EM_MN10300	89	/* Matsushita MN10300 */ |
| 290 | #define EM_MN10200	90	/* Matsushita MN10200 */ |
| 291 | #define EM_PJ		91	/* picoJava */ |
| 292 | #define EM_OR1K		92	/* OpenRISC 32-bit embedded processor */ |
| 293 | #define EM_OPENRISC	EM_OR1K |
| 294 | #define EM_ARC_A5	93	/* ARC Cores Tangent-A5 */ |
| 295 | #define EM_ARC_COMPACT	EM_ARC_A5 /* ARC International ARCompact processor (old spelling/synonym: EM_ARC_A5) */ |
| 296 | #define EM_XTENSA	94	/* Tensilica Xtensa Architecture */ |
| 297 | #define EM_VIDEOCORE	95	/* Alphamosaic VideoCore processor */ |
| 298 | #define EM_TMM_GPP	96	/* Thompson Multimedia General Purpose Processor */ |
| 299 | #define EM_NS32K	97	/* National Semiconductor 32000 series */ |
| 300 | #define EM_TPC		98	/* Tenor Network TPC processor */ |
| 301 | #define EM_SNP1K	99	/* Trebia SNP 1000 processor */ |
| 302 | #define EM_ST200	100	/* STMicroelectronics ST200 microcontroller */ |
| 303 | #define EM_IP2K		101	/* Ubicom IP2xxx microcontroller family */ |
| 304 | #define EM_MAX		102	/* MAX processor */ |
| 305 | #define EM_CR		103	/* National Semiconductor CompactRISC microprocessor */ |
| 306 | #define EM_F2MC16	104	/* Fujitsu F2MC16 */ |
| 307 | #define EM_MSP430	105	/* Texas Instruments MSP430 */ |
| 308 | #define EM_BLACKFIN	106	/* Analog Devices Blackfin DSP */ |
| 309 | #define EM_SE_C33	107	/* Seiko Epson S1C33 family */ |
| 310 | #define EM_SEP		108	/* Sharp embedded microprocessor */ |
| 311 | #define EM_ARCA		109	/* Arca RISC microprocessor */ |
| 312 | #define EM_UNICORE	110	/* UNICORE from PKU-Unity Ltd. and MPRC Peking University */ |
| 313 | #define EM_EXCESS	111	/* eXcess: 16/32/64-bit configurable embedded CPU */ |
| 314 | #define EM_DXP		112	/* Icera Semiconductor Inc. Deep Execution Processor */ |
| 315 | #define EM_ALTERA_NIOS2	113	/* Altera Nios II soft-core processor */ |
| 316 | #define EM_CRX		114	/* National Semiconductor CompactRISC CRX microprocessor */ |
| 317 | #define EM_XGATE	115	/* Motorola XGATE embedded processor */ |
| 318 | #define EM_C166		116	/* Infineon C16x/XC16x processor */ |
| 319 | #define EM_M16C		117	/* Renesas M16C series microprocessors */ |
| 320 | #define EM_DSPIC30F	118	/* Microchip Technology dsPIC30F Digital Signal Controller */ |
| 321 | #define EM_CE		119	/* Freescale Communication Engine RISC core */ |
| 322 | #define EM_M32C		120	/* Renesas M32C series microprocessors */ |
| 323 | 			/* 121-130 - Reserved */ |
| 324 | #define EM_TSK3000	131	/* Altium TSK3000 core */ |
| 325 | #define EM_RS08		132	/* Freescale RS08 embedded processor */ |
| 326 | #define EM_SHARC	133	/* Analog Devices SHARC family of 32-bit DSP processors */ |
| 327 | #define EM_ECOG2	134	/* Cyan Technology eCOG2 microprocessor */ |
| 328 | #define EM_SCORE7	135	/* Sunplus S+core7 RISC processor */ |
| 329 | #define EM_DSP24	136	/* New Japan Radio (NJR) 24-bit DSP Processor */ |
| 330 | #define EM_VIDEOCORE3	137	/* Broadcom VideoCore III processor */ |
| 331 | #define EM_LATTICEMICO32	138	/* RISC processor for Lattice FPGA architecture */ |
| 332 | #define EM_SE_C17	139	/* Seiko Epson C17 family */ |
| 333 | #define EM_TI_C6000	140	/* The Texas Instruments TMS320C6000 DSP family */ |
| 334 | #define EM_TI_C2000	141	/* The Texas Instruments TMS320C2000 DSP family */ |
| 335 | #define EM_TI_C5500	142	/* The Texas Instruments TMS320C55x DSP family */ |
| 336 | #define EM_TI_ARP32	143	/* Texas Instruments Application Specific RISC Processor, 32bit fetch */ |
| 337 | #define EM_TI_PRU	144	/* Texas Instruments Programmable Realtime Unit */ |
| 338 | 			/* 145-159 - Reserved */ |
| 339 | #define EM_MMDSP_PLUS	160	/* STMicroelectronics 64bit VLIW Data Signal Processor */ |
| 340 | #define EM_CYPRESS_M8C	161	/* Cypress M8C microprocessor */ |
| 341 | #define EM_R32C		162	/* Renesas R32C series microprocessors */ |
| 342 | #define EM_TRIMEDIA	163	/* NXP Semiconductors TriMedia architecture family */ |
| 343 | #define EM_QDSP6	164	/* QUALCOMM DSP6 Processor */ |
| 344 | #define EM_8051		165	/* Intel 8051 and variants */ |
| 345 | #define EM_STXP7X	166	/* STMicroelectronics STxP7x family of configurable and extensible RISC processors */ |
| 346 | #define EM_NDS32	167	/* Andes Technology compact code size embedded RISC processor family */ |
| 347 | #define EM_ECOG1	168	/* Cyan Technology eCOG1X family */ |
| 348 | #define EM_ECOG1X	168	/* Cyan Technology eCOG1X family */ |
| 349 | #define EM_MAXQ30	169	/* Dallas Semiconductor MAXQ30 Core Micro-controllers */ |
| 350 | #define EM_XIMO16	170	/* New Japan Radio (NJR) 16-bit DSP Processor */ |
| 351 | #define EM_MANIK	171	/* M2000 Reconfigurable RISC Microprocessor */ |
| 352 | #define EM_CRAYNV2	172	/* Cray Inc. NV2 vector architecture */ |
| 353 | #define EM_RX		173	/* Renesas RX family */ |
| 354 | #define EM_METAG	174	/* Imagination Technologies META processor architecture */ |
| 355 | #define EM_MCST_ELBRUS	175	/* MCST Elbrus general purpose hardware architecture */ |
| 356 | #define EM_ECOG16	176	/* Cyan Technology eCOG16 family */ |
| 357 | #define EM_CR16		177	/* National Semiconductor CompactRISC CR16 16-bit microprocessor */ |
| 358 | #define EM_ETPU		178	/* Freescale Extended Time Processing Unit */ |
| 359 | #define EM_SLE9X	179	/* Infineon Technologies SLE9X core */ |
| 360 | #define EM_L10M		180	/* Intel L10M */ |
| 361 | #define EM_K10M		181	/* Intel K10M */ |
| 362 | 			/* 182 - Reserved */ |
| 363 | #define EM_AARCH64	183	/* AArch64 64-bit ARM microprocessor */ |
| 364 | 			/* 184 - Reserved */ |
| 365 | #define EM_AVR32	185	/* Atmel Corporation 32-bit microprocessor family*/ |
| 366 | #define EM_STM8		186	/* STMicroelectronics STM8 8-bit microcontroller */ |
| 367 | #define EM_TILE64	187	/* Tilera TILE64 multicore architecture family */ |
| 368 | #define EM_TILEPRO	188	/* Tilera TILEPro multicore architecture family */ |
| 369 | #define EM_MICROBLAZE	189	/* Xilinx MicroBlaze 32-bit RISC soft processor core */ |
| 370 | #define EM_CUDA		190	/* NVIDIA CUDA architecture */ |
| 371 | #define EM_TILEGX	191	/* Tilera TILE-GX multicore architecture family */ |
| 372 | #define EM_CLOUDSHIELD	192	/* CloudShield architecture family */ |
| 373 | #define EM_COREA_1ST	193	/* KIPO-KAIST Core-A 1st generation processor family */ |
| 374 | #define EM_COREA_2ND	194	/* KIPO-KAIST Core-A 2nd generation processor family */ |
| 375 | #define EM_ARC_COMPACT2	195	/* Synopsys ARCompact V2 */ |
| 376 | #define EM_OPEN8	196	/* Open8 8-bit RISC soft processor core */ |
| 377 | #define EM_RL78		197	/* Renesas RL78 family */ |
| 378 | #define EM_VIDEOCORE5	198	/* Broadcom VideoCore V processor */ |
| 379 | #define EM_78KOR	199	/* Renesas 78KOR family */ |
| 380 | #define EM_56800EX	200	/* Freescale 56800EX Digital Signal Controller (DSC) */ |
| 381 | #define EM_BA1		201	/* Beyond BA1 CPU architecture */ |
| 382 | #define EM_BA2		202	/* Beyond BA2 CPU architecture */ |
| 383 | #define EM_XCORE	203	/* XMOS xCORE processor family */ |
| 384 | #define EM_MCHP_PIC	204	/* Microchip 8-bit PIC(r) family */ |
| 385 | #define EM_INTEL205	205	/* Reserved by Intel */ |
| 386 | #define EM_INTEL206	206	/* Reserved by Intel */ |
| 387 | #define EM_INTEL207	207	/* Reserved by Intel */ |
| 388 | #define EM_INTEL208	208	/* Reserved by Intel */ |
| 389 | #define EM_INTEL209	209	/* Reserved by Intel */ |
| 390 | #define EM_KM32		210	/* KM211 KM32 32-bit processor */ |
| 391 | #define EM_KMX32	211	/* KM211 KMX32 32-bit processor */ |
| 392 | #define EM_KMX16	212	/* KM211 KMX16 16-bit processor */ |
| 393 | #define EM_KMX8		213	/* KM211 KMX8 8-bit processor */ |
| 394 | #define EM_KVARC	214	/* KM211 KVARC processor */ |
| 395 | #define EM_CDP		215	/* Paneve CDP architecture family */ |
| 396 | #define EM_COGE		216	/* Cognitive Smart Memory Processor */ |
| 397 | #define EM_COOL		217	/* Bluechip Systems CoolEngine */ |
| 398 | #define EM_NORC		218	/* Nanoradio Optimized RISC */ |
| 399 | #define EM_CSR_KALIMBA 	219	/* CSR Kalimba architecture family */ |
| 400 | #define EM_Z80		220	/* Zilog Z80 */ |
| 401 | #define EM_VISIUM 	221	/* Controls and Data Services VISIUMcore processor */ |
| 402 | #define EM_FT32 	222	/* FTDI Chip FT32 high performance 32-bit RISC architecture */ |
| 403 | #define EM_MOXIE	223	/* Moxie processor family */ |
| 404 | #define EM_AMDGPU	224	/* AMD GPU architecture */ |
| 405 | 			/* 225-242 - Reserved */ |
| 406 | #define EM_RISCV	243	/* RISC-V */ |
| 407 | |
| 408 | /* Unofficial machine types follow */ |
| 409 | #define EM_ALPHA	36902	/* DIGITAL Alpha */ |
| 410 | #define EM_NUM		36903 |
| 411 | |
| 412 | /* |
| 413 | * Program Header |
| 414 | */ |
| 415 | typedef struct { |
| 416 | 	Elf32_Word	p_type;		/* entry type */ |
| 417 | 	Elf32_Off	p_offset;	/* offset */ |
| 418 | 	Elf32_Addr	p_vaddr;	/* virtual address */ |
| 419 | 	Elf32_Addr	p_paddr;	/* physical address */ |
| 420 | 	Elf32_Word	p_filesz;	/* file size */ |
| 421 | 	Elf32_Word	p_memsz;	/* memory size */ |
| 422 | 	Elf32_Word	p_flags;	/* flags */ |
| 423 | 	Elf32_Word	p_align;	/* memory & file alignment */ |
| 424 | } Elf32_Phdr; |
| 425 | |
| 426 | typedef struct { |
| 427 | 	Elf64_Word	p_type;		/* entry type */ |
| 428 | 	Elf64_Word	p_flags;	/* flags */ |
| 429 | 	Elf64_Off	p_offset;	/* offset */ |
| 430 | 	Elf64_Addr	p_vaddr;	/* virtual address */ |
| 431 | 	Elf64_Addr	p_paddr;	/* physical address */ |
| 432 | 	Elf64_Xword	p_filesz;	/* file size */ |
| 433 | 	Elf64_Xword	p_memsz;	/* memory size */ |
| 434 | 	Elf64_Xword	p_align;	/* memory & file alignment */ |
| 435 | } Elf64_Phdr; |
| 436 | |
| 437 | /* p_type */ |
| 438 | #define PT_NULL		0		/* Program header table entry unused */ |
| 439 | #define PT_LOAD		1		/* Loadable program segment */ |
| 440 | #define PT_DYNAMIC	2		/* Dynamic linking information */ |
| 441 | #define PT_INTERP	3		/* Program interpreter */ |
| 442 | #define PT_NOTE		4		/* Auxiliary information */ |
| 443 | #define PT_SHLIB	5		/* Reserved, unspecified semantics */ |
| 444 | #define PT_PHDR		6		/* Entry for header table itself */ |
| 445 | #define PT_TLS		7		/* TLS initialisation image */ |
| 446 | #define PT_NUM		8 |
| 447 | |
| 448 | #define PT_LOOS		0x60000000	/* OS-specific range */ |
| 449 | |
| 450 | /* GNU-specific */ |
| 451 | #define PT_GNU_EH_FRAME 0x6474e550	/* EH frame segment */ |
| 452 | #define PT_GNU_STACK	0x6474e551	/* Indicate executable stack */ |
| 453 | #define PT_GNU_RELRO	0x6474e552	/* Make read-only after relocation */ |
| 454 | |
| 455 | #define PT_HIOS		0x6fffffff |
| 456 | #define PT_LOPROC	0x70000000	/* Processor-specific range */ |
| 457 | #define PT_HIPROC	0x7fffffff |
| 458 | |
| 459 | #define PT_MIPS_REGINFO 0x70000000 |
| 460 | #define PT_MIPS_ABIFLAGS 0x70000003 |
| 461 | |
| 462 | /* p_flags */ |
| 463 | #define PF_R		0x4		/* Segment is readable */ |
| 464 | #define PF_W		0x2		/* Segment is writable */ |
| 465 | #define PF_X		0x1		/* Segment is executable */ |
| 466 | |
| 467 | #define PF_MASKOS	0x0ff00000	/* Operating system specific values */ |
| 468 | #define PF_MASKPROC	0xf0000000	/* Processor-specific values */ |
| 469 | |
| 470 | /* Extended program header index. */ |
| 471 | #define PN_XNUM		0xffff |
| 472 | |
| 473 | /* |
| 474 | * Section Headers |
| 475 | */ |
| 476 | typedef struct { |
| 477 | 	Elf32_Word	sh_name;	/* section name (.shstrtab index) */ |
| 478 | 	Elf32_Word	sh_type;	/* section type */ |
| 479 | 	Elf32_Word	sh_flags;	/* section flags */ |
| 480 | 	Elf32_Addr	sh_addr;	/* virtual address */ |
| 481 | 	Elf32_Off	sh_offset;	/* file offset */ |
| 482 | 	Elf32_Word	sh_size;	/* section size */ |
| 483 | 	Elf32_Word	sh_link;	/* link to another */ |
| 484 | 	Elf32_Word	sh_info;	/* misc info */ |
| 485 | 	Elf32_Word	sh_addralign;	/* memory alignment */ |
| 486 | 	Elf32_Word	sh_entsize;	/* table entry size */ |
| 487 | } Elf32_Shdr; |
| 488 | |
| 489 | typedef struct { |
| 490 | 	Elf64_Word	sh_name;	/* section name (.shstrtab index) */ |
| 491 | 	Elf64_Word	sh_type;	/* section type */ |
| 492 | 	Elf64_Xword	sh_flags;	/* section flags */ |
| 493 | 	Elf64_Addr	sh_addr;	/* virtual address */ |
| 494 | 	Elf64_Off	sh_offset;	/* file offset */ |
| 495 | 	Elf64_Xword	sh_size;	/* section size */ |
| 496 | 	Elf64_Word	sh_link;	/* link to another */ |
| 497 | 	Elf64_Word	sh_info;	/* misc info */ |
| 498 | 	Elf64_Xword	sh_addralign;	/* memory alignment */ |
| 499 | 	Elf64_Xword	sh_entsize;	/* table entry size */ |
| 500 | } Elf64_Shdr; |
| 501 | |
| 502 | /* sh_type */ |
| 503 | #define SHT_NULL	 0		/* Section header table entry unused */ |
| 504 | #define SHT_PROGBITS	 1		/* Program information */ |
| 505 | #define SHT_SYMTAB	 2		/* Symbol table */ |
| 506 | #define SHT_STRTAB	 3		/* String table */ |
| 507 | #define SHT_RELA	 4		/* Relocation information w/ addend */ |
| 508 | #define SHT_HASH	 5		/* Symbol hash table */ |
| 509 | #define SHT_DYNAMIC	 6		/* Dynamic linking information */ |
| 510 | #define SHT_NOTE	 7		/* Auxiliary information */ |
| 511 | #define SHT_NOBITS	 8		/* No space allocated in file image */ |
| 512 | #define SHT_REL		 9		/* Relocation information w/o addend */ |
| 513 | #define SHT_SHLIB	 10		/* Reserved, unspecified semantics */ |
| 514 | #define SHT_DYNSYM	 11		/* Symbol table for dynamic linker */ |
| 515 | #define SHT_INIT_ARRAY	 14		/* Initialization function pointers */ |
| 516 | #define SHT_FINI_ARRAY	 15		/* Termination function pointers */ |
| 517 | #define SHT_PREINIT_ARRAY 16		/* Pre-initialization function ptrs */ |
| 518 | #define SHT_GROUP	 17		/* Section group */ |
| 519 | #define SHT_SYMTAB_SHNDX 18		/* Section indexes (see SHN_XINDEX) */ |
| 520 | #define SHT_RELR	 19		/* Relative relocation information */ |
| 521 | #define SHT_NUM		 20 |
| 522 | |
| 523 | #define SHT_LOOS	 0x60000000 /* Operating system specific range */ |
| 524 | #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* GNU incremental build data */ |
| 525 | #define	SHT_LOSUNW	 0x6ffffff4 |
| 526 | #define	SHT_SUNW_dof	 0x6ffffff4 |
| 527 | #define	SHT_GNU_ATTRIBUTES 0x6ffffff5	/* GNU object attributes */ |
| 528 | #define	SHT_SUNW_cap	 0x6ffffff5 |
| 529 | #define	SHT_SUNW_SIGNATURE 0x6ffffff6 |
| 530 | #define SHT_GNU_HASH	 0x6ffffff6 /* GNU style symbol hash table */ |
| 531 | #define SHT_GNU_LIBLIST	 0x6ffffff7 /* GNU list of prelink dependencies */ |
| 532 | #define SHT_SUNW_move	 0x6ffffffa |
| 533 | #define	SHT_SUNW_COMDAT	 0x6ffffffb |
| 534 | #define SHT_SUNW_syminfo 0x6ffffffc |
| 535 | #define SHT_SUNW_verdef	 0x6ffffffd /* Versions defined by file */ |
| 536 | #define SHT_GNU_verdef	 SHT_SUNW_verdef |
| 537 | #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */ |
| 538 | #define SHT_GNU_verneed	 SHT_SUNW_verneed |
| 539 | #define SHT_SUNW_versym	 0x6fffffff /* Symbol versions */ |
| 540 | #define SHT_GNU_versym	 SHT_SUNW_versym |
| 541 | #define	SHT_HISUNW	 0x6fffffff |
| 542 | #define SHT_HIOS	 0x6fffffff |
| 543 | #define SHT_LOPROC	 0x70000000 /* Processor-specific range */ |
| 544 | #define SHT_AMD64_UNWIND 0x70000001 /* unwind information */ |
| 545 | #define SHT_ARM_EXIDX	 0x70000001	/* exception index table */ |
| 546 | #define SHT_ARM_PREEMPTMAP 0x70000002 /* BPABI DLL dynamic linking |
| 547 | 					 * pre-emption map */ |
| 548 | #define SHT_ARM_ATTRIBUTES 0x70000003 /* Object file compatibility |
| 549 | 					 * attributes */ |
| 550 | #define SHT_ARM_DEBUGOVERLAY 0x70000004 /* See DBGOVL for details */ |
| 551 | #define SHT_ARM_OVERLAYSECTION 0x70000005 |
| 552 | #define	SHT_MIPS_REGINFO 0x70000006 |
| 553 | #define	SHT_MIPS_OPTIONS 0x7000000d |
| 554 | #define	SHT_MIPS_DWARF	 0x7000001e	/* MIPS gcc uses MIPS_DWARF */ |
| 555 | #define	SHT_MIPS_XHASH	 0x7000002b	/* MIPS version of GNU_HASH */ |
| 556 | #define SHT_HIPROC	 0x7fffffff |
| 557 | #define SHT_LOUSER	 0x80000000 /* Application-specific range */ |
| 558 | #define SHT_HIUSER	 0xffffffff |
| 559 | |
| 560 | /* sh_flags */ |
| 561 | #define SHF_WRITE	 0x00000001 /* Contains writable data */ |
| 562 | #define SHF_ALLOC	 0x00000002 /* Occupies memory */ |
| 563 | #define SHF_EXECINSTR	 0x00000004 /* Contains executable insns */ |
| 564 | #define SHF_MERGE	 0x00000010 /* Might be merged */ |
| 565 | #define SHF_STRINGS	 0x00000020 /* Contains nul terminated strings */ |
| 566 | #define SHF_INFO_LINK	 0x00000040 /* "sh_info" contains SHT index */ |
| 567 | #define SHF_LINK_ORDER	 0x00000080 /* Preserve order after combining */ |
| 568 | #define SHF_OS_NONCONFORMING 0x00000100 /* OS specific handling required */ |
| 569 | #define SHF_GROUP	 0x00000200 /* Is member of a group */ |
| 570 | #define SHF_TLS		 0x00000400 /* Holds thread-local data */ |
| 571 | #define SHF_MASKOS	 0x0ff00000 /* Operating system specific values */ |
| 572 | #define SHF_MASKPROC	 0xf0000000 /* Processor-specific values */ |
| 573 | #define SHF_ORDERED	 0x40000000 /* Ordering requirement (Solaris) */ |
| 574 | #define SHF_EXCLUDE	 0x80000000 /* Excluded unless unles ref/alloc |
| 575 | 					 (Solaris).*/ |
| 576 | /* |
| 577 | * Symbol Table |
| 578 | */ |
| 579 | typedef struct { |
| 580 | 	Elf32_Word	st_name;	/* Symbol name (.strtab index) */ |
| 581 | 	Elf32_Addr	st_value;	/* value of symbol */ |
| 582 | 	Elf32_Word	st_size;	/* size of symbol */ |
| 583 | 	Elf_Byte	st_info;	/* type / binding attrs */ |
| 584 | 	Elf_Byte	st_other;	/* unused */ |
| 585 | 	Elf32_Half	st_shndx;	/* section index of symbol */ |
| 586 | } Elf32_Sym; |
| 587 | |
| 588 | typedef struct { |
| 589 | 	Elf64_Word	st_name;	/* Symbol name (.strtab index) */ |
| 590 | 	Elf_Byte	st_info;	/* type / binding attrs */ |
| 591 | 	Elf_Byte	st_other;	/* unused */ |
| 592 | 	Elf64_Half	st_shndx;	/* section index of symbol */ |
| 593 | 	Elf64_Addr	st_value;	/* value of symbol */ |
| 594 | 	Elf64_Xword	st_size;	/* size of symbol */ |
| 595 | } Elf64_Sym; |
| 596 | |
| 597 | /* Symbol Table index of the undefined symbol */ |
| 598 | #define ELF_SYM_UNDEFINED	0 |
| 599 | |
| 600 | #define STN_UNDEF		0	/* undefined index */ |
| 601 | |
| 602 | /* st_info: Symbol Bindings */ |
| 603 | #define STB_LOCAL		0	/* local symbol */ |
| 604 | #define STB_GLOBAL		1	/* global symbol */ |
| 605 | #define STB_WEAK		2	/* weakly defined global symbol */ |
| 606 | #define STB_NUM			3 |
| 607 | |
| 608 | #define STB_LOOS		10	/* Operating system specific range */ |
| 609 | #define STB_HIOS		12 |
| 610 | #define STB_LOPROC		13	/* Processor-specific range */ |
| 611 | #define STB_HIPROC		15 |
| 612 | |
| 613 | /* st_info: Symbol Types */ |
| 614 | #define STT_NOTYPE		0	/* Type not specified */ |
| 615 | #define STT_OBJECT		1	/* Associated with a data object */ |
| 616 | #define STT_FUNC		2	/* Associated with a function */ |
| 617 | #define STT_SECTION		3	/* Associated with a section */ |
| 618 | #define STT_FILE		4	/* Associated with a file name */ |
| 619 | #define STT_COMMON		5	/* Uninitialised common block */ |
| 620 | #define STT_TLS			6	/* Thread local data object */ |
| 621 | #define STT_NUM			7 |
| 622 | |
| 623 | #define STT_LOOS		10	/* Operating system specific range */ |
| 624 | #define STT_GNU_IFUNC		10	/* GNU extension: indirect function */ |
| 625 | #define STT_HIOS		12 |
| 626 | #define STT_LOPROC		13	/* Processor-specific range */ |
| 627 | #define STT_HIPROC		15 |
| 628 | |
| 629 | /* st_other: Visibility Types */ |
| 630 | #define STV_DEFAULT		0	/* use binding type */ |
| 631 | #define STV_INTERNAL		1	/* not referenced from outside */ |
| 632 | #define STV_HIDDEN		2	/* not visible, may be used via ptr */ |
| 633 | #define STV_PROTECTED		3	/* visible, not preemptible */ |
| 634 | #define STV_EXPORTED		4 |
| 635 | #define STV_SINGLETON		5 |
| 636 | #define STV_ELIMINATE		6 |
| 637 | |
| 638 | /* st_info/st_other utility macros */ |
| 639 | #define ELF_ST_BIND(info)		((uint32_t)(info) >> 4) |
| 640 | #define ELF_ST_TYPE(info)		((uint32_t)(info) & 0xf) |
| 641 | #define ELF_ST_INFO(bind,type)		((Elf_Byte)(((bind) << 4) | \ |
| 642 | 					 ((type) & 0xf))) |
| 643 | #define ELF_ST_VISIBILITY(other)	((uint32_t)(other) & 3) |
| 644 | |
| 645 | /* |
| 646 | * Special section indexes |
| 647 | */ |
| 648 | #define SHN_UNDEF	0		/* Undefined section */ |
| 649 | |
| 650 | #define SHN_LORESERVE	0xff00		/* Reserved range */ |
| 651 | #define SHN_ABS		0xfff1		/* Absolute symbols */ |
| 652 | #define SHN_COMMON	0xfff2		/* Common symbols */ |
| 653 | #define SHN_XINDEX	0xffff		/* Escape -- index stored elsewhere */ |
| 654 | #define SHN_HIRESERVE	0xffff |
| 655 | |
| 656 | #define SHN_LOPROC	0xff00		/* Processor-specific range */ |
| 657 | #define SHN_HIPROC	0xff1f |
| 658 | #define SHN_LOOS	0xff20		/* Operating system specific range */ |
| 659 | #define SHN_HIOS	0xff3f |
| 660 | |
| 661 | #define SHN_MIPS_ACOMMON 0xff00 |
| 662 | #define SHN_MIPS_TEXT	0xff01 |
| 663 | #define SHN_MIPS_DATA	0xff02 |
| 664 | #define SHN_MIPS_SCOMMON 0xff03 |
| 665 | |
| 666 | /* |
| 667 | * Relocation Entries |
| 668 | */ |
| 669 | typedef struct { |
| 670 | 	Elf32_Word	r_offset;	/* where to do it */ |
| 671 | 	Elf32_Word	r_info;		/* index & type of relocation */ |
| 672 | } Elf32_Rel; |
| 673 | |
| 674 | typedef struct { |
| 675 | 	Elf32_Word	r_offset;	/* where to do it */ |
| 676 | 	Elf32_Word	r_info;		/* index & type of relocation */ |
| 677 | 	Elf32_Sword	r_addend;	/* adjustment value */ |
| 678 | } Elf32_Rela; |
| 679 | |
| 680 | /* r_info utility macros */ |
| 681 | #define ELF32_R_SYM(info)	((info) >> 8) |
| 682 | #define ELF32_R_TYPE(info)	((info) & 0xff) |
| 683 | #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) |
| 684 | |
| 685 | /* Relative relocations (DT_RELR, SHT_RELR, .relr.dyn) */ |
| 686 | typedef Elf32_Word	Elf32_Relr; |
| 687 | |
| 688 | typedef struct { |
| 689 | 	Elf64_Addr	r_offset;	/* where to do it */ |
| 690 | 	Elf64_Xword	r_info;		/* index & type of relocation */ |
| 691 | } Elf64_Rel; |
| 692 | |
| 693 | typedef struct { |
| 694 | 	Elf64_Addr	r_offset;	/* where to do it */ |
| 695 | 	Elf64_Xword	r_info;		/* index & type of relocation */ |
| 696 | 	Elf64_Sxword	r_addend;	/* adjustment value */ |
| 697 | } Elf64_Rela; |
| 698 | |
| 699 | /* r_info utility macros */ |
| 700 | #define ELF64_R_SYM(info)	((info) >> 32) |
| 701 | #define ELF64_R_TYPE(info)	((info) & 0xffffffff) |
| 702 | #define ELF64_R_INFO(sym,type)	(((sym) << 32) + (type)) |
| 703 | |
| 704 | /* Relative relocations (DT_RELR, SHT_RELR, .relr.dyn) */ |
| 705 | typedef Elf64_Xword	Elf64_Relr; |
| 706 | |
| 707 | /* |
| 708 | * Move entries |
| 709 | */ |
| 710 | typedef struct { |
| 711 | 	Elf32_Lword	m_value;	/* symbol value */ |
| 712 | 	Elf32_Word	m_info;		/* size + index */ |
| 713 | 	Elf32_Word	m_poffset;	/* symbol offset */ |
| 714 | 	Elf32_Half	m_repeat;	/* repeat count */ |
| 715 | 	Elf32_Half	m_stride;	/* stride info */ |
| 716 | } Elf32_Move; |
| 717 | |
| 718 | #define ELF32_M_SYM(info)	((info) >> 8) |
| 719 | #define ELF32_M_SIZE(info)	((info) & 0xff) |
| 720 | #define ELF32_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size)) |
| 721 | |
| 722 | typedef struct { |
| 723 | 	Elf64_Lword	m_value;	/* symbol value */ |
| 724 | 	Elf64_Xword	m_info;		/* size + index */ |
| 725 | 	Elf64_Xword	m_poffset;	/* symbol offset */ |
| 726 | 	Elf64_Word	m_repeat;	/* repeat count */ |
| 727 | 	Elf64_Word	m_stride;	/* stride info */ |
| 728 | } Elf64_Move; |
| 729 | |
| 730 | #define ELF64_M_SYM(info)	((info) >> 8) |
| 731 | #define ELF64_M_SIZE(info)	((info) & 0xff) |
| 732 | #define ELF64_M_INFO(sym, size) (((sym) << 8) + (unsigned char)(size)) |
| 733 | |
| 734 | /* |
| 735 | * Hardware/software capabilities entry |
| 736 | */ |
| 737 | typedef struct { |
| 738 | 	Elf32_Word		c_tag;	/* entry tag value */ |
| 739 | 	union { |
| 740 | 		Elf32_Addr	c_ptr; |
| 741 | 		Elf32_Word	c_val; |
| 742 | 	} c_un; |
| 743 | } Elf32_Cap; |
| 744 | |
| 745 | typedef struct { |
| 746 | 	Elf64_Xword		c_tag;	/* entry tag value */ |
| 747 | 	union { |
| 748 | 		Elf64_Addr	c_ptr; |
| 749 | 		Elf64_Xword	c_val; |
| 750 | 	} c_un; |
| 751 | } Elf64_Cap; |
| 752 | |
| 753 | /* |
| 754 | * Dynamic Section structure array |
| 755 | */ |
| 756 | typedef struct { |
| 757 | 	Elf32_Word		d_tag;	/* entry tag value */ |
| 758 | 	union { |
| 759 | 		Elf32_Addr	d_ptr; |
| 760 | 		Elf32_Word	d_val; |
| 761 | 	} d_un; |
| 762 | } Elf32_Dyn; |
| 763 | |
| 764 | typedef struct { |
| 765 | 	Elf64_Xword		d_tag;	/* entry tag value */ |
| 766 | 	union { |
| 767 | 		Elf64_Addr	d_ptr; |
| 768 | 		Elf64_Xword	d_val; |
| 769 | 	} d_un; |
| 770 | } Elf64_Dyn; |
| 771 | |
| 772 | /* d_tag */ |
| 773 | #define DT_NULL		0	/* Marks end of dynamic array */ |
| 774 | #define DT_NEEDED	1	/* Name of needed library (DT_STRTAB offset) */ |
| 775 | #define DT_PLTRELSZ	2	/* Size, in bytes, of relocations in PLT */ |
| 776 | #define DT_PLTGOT	3	/* Address of PLT and/or GOT */ |
| 777 | #define DT_HASH		4	/* Address of symbol hash table */ |
| 778 | #define DT_STRTAB	5	/* Address of string table */ |
| 779 | #define DT_SYMTAB	6	/* Address of symbol table */ |
| 780 | #define DT_RELA		7	/* Address of Rela relocation table */ |
| 781 | #define DT_RELASZ	8	/* Size, in bytes, of DT_RELA table */ |
| 782 | #define DT_RELAENT	9	/* Size, in bytes, of one DT_RELA entry */ |
| 783 | #define DT_STRSZ	10	/* Size, in bytes, of DT_STRTAB table */ |
| 784 | #define DT_SYMENT	11	/* Size, in bytes, of one DT_SYMTAB entry */ |
| 785 | #define DT_INIT		12	/* Address of initialization function */ |
| 786 | #define DT_FINI		13	/* Address of termination function */ |
| 787 | #define DT_SONAME	14	/* Shared object name (DT_STRTAB offset) */ |
| 788 | #define DT_RPATH	15	/* Library search path (DT_STRTAB offset) */ |
| 789 | #define DT_SYMBOLIC	16	/* Start symbol search within local object */ |
| 790 | #define DT_REL		17	/* Address of Rel relocation table */ |
| 791 | #define DT_RELSZ	18	/* Size, in bytes, of DT_REL table */ |
| 792 | #define DT_RELENT	19	/* Size, in bytes, of one DT_REL entry */ |
| 793 | #define DT_PLTREL	20	/* Type of PLT relocation entries */ |
| 794 | #define DT_DEBUG	21	/* Used for debugging; unspecified */ |
| 795 | #define DT_TEXTREL	22	/* Relocations might modify non-writable seg */ |
| 796 | #define DT_JMPREL	23	/* Address of relocations associated with PLT */ |
| 797 | #define DT_BIND_NOW	24	/* Process all relocations at load-time */ |
| 798 | #define DT_INIT_ARRAY	25	/* Address of initialization function array */ |
| 799 | #define DT_FINI_ARRAY	26	/* Size, in bytes, of DT_INIT_ARRAY array */ |
| 800 | #define DT_INIT_ARRAYSZ 27	/* Address of termination function array */ |
| 801 | #define DT_FINI_ARRAYSZ 28	/* Size, in bytes, of DT_FINI_ARRAY array*/ |
| 802 | #define DT_RUNPATH	29	/* overrides DT_RPATH */ |
| 803 | #define DT_FLAGS	30	/* Encodes ORIGIN, SYMBOLIC, TEXTREL, BIND_NOW, STATIC_TLS */ |
| 804 | #define DT_ENCODING	32	/* In [32, DT_LOOS), only evens use d_ptr */ |
| 805 | #define DT_PREINIT_ARRAY 32	/* Address of pre-init function array */ |
| 806 | #define DT_PREINIT_ARRAYSZ 33	/* Size, in bytes, of DT_PREINIT_ARRAY array */ |
| 807 | #define DT_SYMTAB_SHNDX 34	/* Addr. of SHT_SYMTAB_SHNDX § of DT_SYMTAB */ |
| 808 | #define DT_RELRSZ	35	/* Size, in bytes, of DT_RELR table */ |
| 809 | #define DT_RELR		36	/* Address of Relr relocation table */ |
| 810 | #define DT_RELRENT	37	/* Size, in bytes, of one DT_RELR entry */ |
| 811 | #define DT_NUM		38 |
| 812 | |
| 813 | #define DT_LOOS		0x60000000	/* Operating system specific range */ |
| 814 | #define DT_GNU_HASH	0x6ffffef5	/* GNU-style hash table */ |
| 815 | #define DT_VERSYM	0x6ffffff0	/* Symbol versions */ |
| 816 | #define DT_FLAGS_1	0x6ffffffb	/* ELF dynamic flags */ |
| 817 | #define DT_VERDEF	0x6ffffffc	/* Versions defined by file */ |
| 818 | #define DT_VERDEFNUM	0x6ffffffd	/* Number of versions defined by file */ |
| 819 | #define DT_VERNEED	0x6ffffffe	/* Versions needed by file */ |
| 820 | #define DT_VERNEEDNUM	0x6fffffff	/* Number of versions needed by file */ |
| 821 | #define DT_HIOS		0x6fffffff |
| 822 | #define DT_LOPROC	0x70000000	/* Processor-specific range */ |
| 823 | #define DT_MIPS_XHASH	0x70000036	/* MIPS version of GNU_HASH */ |
| 824 | #define DT_HIPROC	0x7fffffff |
| 825 | |
| 826 | /* Flag values for DT_FLAGS */ |
| 827 | #define DF_ORIGIN	0x00000001	/* uses $ORIGIN */ |
| 828 | #define DF_SYMBOLIC	0x00000002	/* */ |
| 829 | #define DF_TEXTREL	0x00000004	/* */ |
| 830 | #define DF_BIND_NOW	0x00000008	/* */ |
| 831 | #define DF_STATIC_TLS	0x00000010	/* */ |
| 832 | |
| 833 | /* Flag values for DT_FLAGS_1 */ |
| 834 | #define	DF_1_NOW	0x00000001	/* Same as DF_BIND_NOW */ |
| 835 | #define	DF_1_GLOBAL	0x00000002	/* Unused */ |
| 836 | #define	DF_1_GROUP	0x00000004	/* Is member of group */ |
| 837 | #define	DF_1_NODELETE	0x00000008	/* Cannot be deleted from process */ |
| 838 | #define	DF_1_LOADFLTR	0x00000010	/* Immediate loading of filters */ |
| 839 | #define	DF_1_INITFIRST	0x00000020	/* init/fini takes priority */ |
| 840 | #define	DF_1_NOOPEN	0x00000040	/* Do not allow loading on dlopen() */ |
| 841 | #define	DF_1_ORIGIN	0x00000080 	/* Require $ORIGIN processing */ |
| 842 | #define	DF_1_DIRECT	0x00000100	/* Enable direct bindings */ |
| 843 | #define	DF_1_INTERPOSE 	0x00000400	/* Is an interposer */ |
| 844 | #define	DF_1_NODEFLIB	0x00000800 	/* Ignore default library search path */ |
| 845 | #define	DF_1_NODUMP	0x00001000 	/* Cannot be dumped with dldump(3C) */ |
| 846 | #define	DF_1_CONFALT	0x00002000 	/* Configuration alternative */ |
| 847 | #define	DF_1_ENDFILTEE	0x00004000	/* Filtee ends filter's search */ |
| 848 | #define	DF_1_DISPRELDNE	0x00008000	/* Did displacement relocation */ |
| 849 | #define	DF_1_DISPRELPND 0x00010000	/* Pending displacement relocation */ |
| 850 | #define	DF_1_NODIRECT	0x00020000 	/* Has non-direct bindings */ |
| 851 | #define	DF_1_IGNMULDEF	0x00040000	/* Used internally */ |
| 852 | #define	DF_1_NOKSYMS	0x00080000	/* Used internally */ |
| 853 | #define	DF_1_NOHDR	0x00100000	/* Used internally */ |
| 854 | #define	DF_1_EDITED	0x00200000	/* Has been modified since build */ |
| 855 | #define	DF_1_NORELOC	0x00400000 	/* Used internally */ |
| 856 | #define	DF_1_SYMINTPOSE 0x00800000 	/* Has individual symbol interposers */ |
| 857 | #define	DF_1_GLOBAUDIT	0x01000000	/* Require global auditing */ |
| 858 | #define	DF_1_SINGLETON	0x02000000	/* Has singleton symbols */ |
| 859 | #define	DF_1_STUB	0x04000000	/* Stub */ |
| 860 | #define	DF_1_PIE	0x08000000	/* Position Independent Executable */ |
| 861 | |
| 862 | /* |
| 863 | * Auxiliary Vectors |
| 864 | */ |
| 865 | typedef struct { |
| 866 | 	Elf32_Word	a_type;				/* 32-bit id */ |
| 867 | 	Elf32_Word	a_v;				/* 32-bit id */ |
| 868 | } Aux32Info; |
| 869 | |
| 870 | typedef struct { |
| 871 | 	Elf64_Word	a_type;		/* 32-bit id */ |
| 872 | 	Elf64_Xword	a_v;		/* 64-bit id */ |
| 873 | } Aux64Info; |
| 874 | |
| 875 | /* a_type */ |
| 876 | #define AT_NULL		0	/* Marks end of array */ |
| 877 | #define AT_IGNORE	1	/* No meaning, a_un is undefined */ |
| 878 | #define AT_EXECFD	2	/* Open file descriptor of object file */ |
| 879 | #define AT_PHDR		3	/* &phdr[0] */ |
| 880 | #define AT_PHENT	4	/* sizeof(phdr[0]) */ |
| 881 | #define AT_PHNUM	5	/* # phdr entries */ |
| 882 | #define AT_PAGESZ	6	/* PAGESIZE */ |
| 883 | #define AT_BASE		7	/* Interpreter base addr */ |
| 884 | #define AT_FLAGS	8	/* Processor flags */ |
| 885 | #define AT_ENTRY	9	/* Entry address of executable */ |
| 886 | #define AT_DCACHEBSIZE	10	/* Data cache block size */ |
| 887 | #define AT_ICACHEBSIZE	11	/* Instruction cache block size */ |
| 888 | #define AT_UCACHEBSIZE	12	/* Unified cache block size */ |
| 889 | #define AT_STACKBASE	13	/* Base address of the main thread */ |
| 890 | |
| 891 | 	/* Vendor specific */ |
| 892 | #define AT_MIPS_NOTELF	10	/* XXX a_val != 0 -> MIPS XCOFF executable */ |
| 893 | |
| 894 | #define AT_EUID		2000	/* euid (solaris compatible numbers) */ |
| 895 | #define AT_RUID		2001	/* ruid (solaris compatible numbers) */ |
| 896 | #define AT_EGID		2002	/* egid (solaris compatible numbers) */ |
| 897 | #define AT_RGID		2003	/* rgid (solaris compatible numbers) */ |
| 898 | |
| 899 | 	/* Solaris kernel specific */ |
| 900 | #define AT_SUN_LDELF	2004	/* dynamic linker's ELF header */ |
| 901 | #define AT_SUN_LDSHDR	2005	/* dynamic linker's section header */ |
| 902 | #define AT_SUN_LDNAME	2006	/* dynamic linker's name */ |
| 903 | #define AT_SUN_LPGSIZE	2007	/* large pagesize */ |
| 904 | |
| 905 | 	/* Other information */ |
| 906 | #define AT_SUN_PLATFORM 2008	/* sysinfo(SI_PLATFORM) */ |
| 907 | #define AT_SUN_HWCAP	2009	/* process hardware capabilities */ |
| 908 | #define AT_SUN_IFLUSH	2010	/* do we need to flush the instruction cache? */ |
| 909 | #define AT_SUN_CPU	2011	/* CPU name */ |
| 910 | 	/* ibcs2 emulation band aid */ |
| 911 | #define AT_SUN_EMUL_ENTRY 2012	/* coff entry point */ |
| 912 | #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */ |
| 913 | 	/* Executable's fully resolved name */ |
| 914 | #define AT_SUN_EXECNAME 2014 |
| 915 | |
| 916 | /* |
| 917 | * The header for GNU-style hash sections. |
| 918 | */ |
| 919 | typedef struct { |
| 920 | 	uint32_t	gh_nbuckets;	/* Number of hash buckets. */ |
| 921 | 	uint32_t	gh_symndx;	/* First visible symbol in .dynsym. */ |
| 922 | 	uint32_t	gh_maskwords;	/* #maskwords used in bloom filter. */ |
| 923 | 	uint32_t	gh_shift2;	/* Bloom filter shift count. */ |
| 924 | } Elf_GNU_Hash_Header; |
| 925 | |
| 926 | /* |
| 927 | * Note Headers |
| 928 | */ |
| 929 | typedef struct { |
| 930 | 	Elf32_Word n_namesz; |
| 931 | 	Elf32_Word n_descsz; |
| 932 | 	Elf32_Word n_type; |
| 933 | } Elf32_Nhdr; |
| 934 | |
| 935 | typedef struct { |
| 936 | 	Elf64_Word n_namesz; |
| 937 | 	Elf64_Word n_descsz; |
| 938 | 	Elf64_Word n_type; |
| 939 | } Elf64_Nhdr; |
| 940 | |
| 941 | #define ELF_NOTE_GNU_NAMESZ		4 |
| 942 | #define ELF_NOTE_GNU_NAME		"GNU\0" |
| 943 | |
| 944 | /* |
| 945 | * GNU-specific note type: ABI tag |
| 946 | * name: GNU\0 |
| 947 | * namesz: 4 |
| 948 | * desc: |
| 949 | *	word[0]: OS tag |
| 950 | *	word[1]: major version |
| 951 | *	word[2]: minor version |
| 952 | *	word[3]: teeny version |
| 953 | * descsz: 16 |
| 954 | */ |
| 955 | /* GNU-specific note name and description sizes */ |
| 956 | #define ELF_NOTE_TYPE_ABI_TAG		1 |
| 957 | #define ELF_NOTE_ABI_NAME		ELF_NOTE_GNU_NAME |
| 958 | #define ELF_NOTE_ABI_NAMESZ		ELF_NOTE_GNU_NAMESZ |
| 959 | #define ELF_NOTE_ABI_DESCSZ		16 |
| 960 | /* GNU-specific OS/version value stuff */ |
| 961 | #define ELF_NOTE_ABI_OS_LINUX		0 |
| 962 | #define ELF_NOTE_ABI_OS_HURD		1 |
| 963 | #define ELF_NOTE_ABI_OS_SOLARIS		2 |
| 964 | #define ELF_NOTE_ABI_OS_KFREEBSD	3 |
| 965 | #define ELF_NOTE_ABI_OS_KNETBSD		4 |
| 966 | |
| 967 | /* Old gcc style, under the ABI tag */ |
| 968 | #define ELF_NOTE_OGCC_NAMESZ		8 |
| 969 | #define ELF_NOTE_OGCC_NAME		"01.01\0\0\0\0" |
| 970 | #define ELF_NOTE_OGCC_DESCSZ		0 |
| 971 | |
| 972 | /* |
| 973 | * GNU-specific note type: Hardware capabilities |
| 974 | * name: GNU\0 |
| 975 | * namesz: 4 |
| 976 | * desc: |
| 977 | *	word[0]: Number of entries |
| 978 | *	word[1]: Bitmask of enabled entries |
| 979 | *	Followed by a byte id, and a NUL terminated string per entry |
| 980 | * descsz: variable |
| 981 | */ |
| 982 | #define ELF_NOTE_TYPE_GNU_HWCAP		2 |
| 983 | |
| 984 | /* |
| 985 | * GNU-specific note type: Build ID generated by ld |
| 986 | * name: GNU\0 |
| 987 | * desc: |
| 988 | *	word[0..4] SHA1 [default] |
| 989 | * or |
| 990 | *	word[0..3] md5 or uuid |
| 991 | * descsz: 16 or 20 |
| 992 | */ |
| 993 | #define ELF_NOTE_TYPE_GNU_BUILD_ID	3 |
| 994 | |
| 995 | /* SuSE-specific note type: ABI |
| 996 | * name: SuSE\0 |
| 997 | * namesz: 5 |
| 998 | * desc: |
| 999 | *	half[0] = MMmm |
| 1000 | * |
| 1001 | *	M = product major version |
| 1002 | *	m = product minor version |
| 1003 | * descsz: 2 |
| 1004 | */ |
| 1005 | #define ELF_NOTE_TYPE_SUSE_TAG	1 |
| 1006 | /* SuSE-specific note name and description sizes */ |
| 1007 | #define ELF_NOTE_SUSE_NAMESZ	5 |
| 1008 | #define ELF_NOTE_SUSE_DESCSZ	2 |
| 1009 | /* SuSE-specific note name */ |
| 1010 | #define ELF_NOTE_SUSE_NAME		"SuSE\0" |
| 1011 | |
| 1012 | /* SuSE-specific note type: version |
| 1013 | * name: SuSE\0\0\0\0 |
| 1014 | * namesz: 8 |
| 1015 | * desc: |
| 1016 | *	word[0] = VVTTMMmm |
| 1017 | * |
| 1018 | *	V = version of following data |
| 1019 | *	T = product type: [box, sles, nld, whatever] |
| 1020 | *	M = product major version |
| 1021 | *	m = product minor version |
| 1022 | * descsz: 8 |
| 1023 | */ |
| 1024 | #define ELF_NOTE_TYPE_SUSE_VERSION_TAG	0x45537553	/* SuSE in LE */ |
| 1025 | /* SuSE-specific note name and description sizes */ |
| 1026 | #define ELF_NOTE_SUSE_VERSION_NAMESZ	8 |
| 1027 | #define ELF_NOTE_SUSE_VERSION_DESCSZ	8 |
| 1028 | /* SuSE-specific note name */ |
| 1029 | #define ELF_NOTE_SUSE_VERSION_NAME		"SuSE\0\0\0\0" |
| 1030 | |
| 1031 | /* Go-specific note type: buildid |
| 1032 | * name: Go\0\0 |
| 1033 | * namesz: 4 |
| 1034 | * desc: |
| 1035 | *	words[10] |
| 1036 | * descsz: 40 |
| 1037 | */ |
| 1038 | #define ELF_NOTE_TYPE_GO_BUILDID_TAG	4 |
| 1039 | #define ELF_NOTE_GO_BUILDID_NAMESZ	4 |
| 1040 | #define ELF_NOTE_GO_BUILDID_DESCSZ	40 |
| 1041 | #define ELF_NOTE_GO_BUILDID_NAME	"Go\0\0" |
| 1042 | |
| 1043 | /* |
| 1044 | * FDO-specific note type: packaging metadata |
| 1045 | * name: FDO\0 |
| 1046 | * namesz: 4 |
| 1047 | * desc: |
| 1048 | *	a single JSON object encoded as a zero-terminated UTF-8 string |
| 1049 | *	(see https://systemd.io/COREDUMP_PACKAGE_METADATA/) |
| 1050 | * descsz: variable |
| 1051 | */ |
| 1052 | #define	ELF_NOTE_TYPE_FDO_PACKAGING_METADATA	0xcafe1a7e |
| 1053 | #define	ELF_NOTE_FDO_PACKAGING_METADATA_NAMESZ	4 |
| 1054 | #define	ELF_NOTE_FDO_PACKAGING_METADATA_NAME	"FDO\0" |
| 1055 | |
| 1056 | /* NetBSD-specific note type: NetBSD ABI version. |
| 1057 | * name: NetBSD\0\0 |
| 1058 | * namesz: 8 |
| 1059 | * desc: |
| 1060 | *	word[0]: MMmmrrpp00 |
| 1061 | * |
| 1062 | *	M = major version |
| 1063 | *	m = minor version |
| 1064 | *	r = release ["",A-Z,Z[A-Z] but numeric] |
| 1065 | *	p = patchlevel |
| 1066 | * descsz: 4 |
| 1067 | */ |
| 1068 | #define ELF_NOTE_TYPE_NETBSD_TAG	1 |
| 1069 | /* NetBSD-specific note name and description sizes */ |
| 1070 | #define ELF_NOTE_NETBSD_NAMESZ		7 |
| 1071 | #define ELF_NOTE_NETBSD_DESCSZ		4 |
| 1072 | /* NetBSD-specific note name */ |
| 1073 | #define ELF_NOTE_NETBSD_NAME		"NetBSD\0\0" |
| 1074 | |
| 1075 | /* NetBSD-specific note type: Emulation (obsolete; last used early 2000) |
| 1076 | * name: NetBSD\0\0 |
| 1077 | * namesz: 8 |
| 1078 | * desc: |
| 1079 | *	"netbsd\0" |
| 1080 | * |
| 1081 | * descsz: 8 |
| 1082 | */ |
| 1083 | #define ELF_NOTE_TYPE_NETBSD_EMUL_TAG	2 |
| 1084 | #define ELF_NOTE_NETBSD_EMUL_NAMESZ	7 |
| 1085 | #define ELF_NOTE_NETBSD_EMUL_DESCSZ	7 |
| 1086 | /* NetBSD-specific note name */ |
| 1087 | #define ELF_NOTE_NETBSD_EMUL_NAME	"NetBSD\0\0" |
| 1088 | |
| 1089 | /* |
| 1090 | * NetBSD-specific note type: PaX. |
| 1091 | * There should be 1 NOTE per executable. |
| 1092 | * name: PaX\0 |
| 1093 | * namesz: 4 |
| 1094 | * desc: |
| 1095 | *	word[0]: capability bitmask |
| 1096 | * descsz: 4 |
| 1097 | */ |
| 1098 | #define ELF_NOTE_TYPE_PAX_TAG		3 |
| 1099 | #define ELF_NOTE_PAX_MPROTECT		0x01	/* Force enable Mprotect */ |
| 1100 | #define ELF_NOTE_PAX_NOMPROTECT		0x02	/* Force disable Mprotect */ |
| 1101 | #define ELF_NOTE_PAX_GUARD		0x04	/* Force enable Segvguard */ |
| 1102 | #define ELF_NOTE_PAX_NOGUARD		0x08	/* Force disable Segvguard */ |
| 1103 | #define ELF_NOTE_PAX_ASLR		0x10	/* Force enable ASLR */ |
| 1104 | #define ELF_NOTE_PAX_NOASLR		0x20	/* Force disable ASLR */ |
| 1105 | #define ELF_NOTE_PAX_NAMESZ		4 |
| 1106 | #define ELF_NOTE_PAX_NAME		"PaX\0" |
| 1107 | #define ELF_NOTE_PAX_DESCSZ		4 |
| 1108 | |
| 1109 | /* |
| 1110 | * NetBSD-specific core file information. |
| 1111 | * |
| 1112 | * NetBSD ELF core files use notes to provide information about |
| 1113 | * the process's state.	 The note name is "NetBSD-CORE" for |
| 1114 | * information that is global to the process, and "NetBSD-CORE@nn", |
| 1115 | * where "nn" is the lwpid of the LWP that the information belongs |
| 1116 | * to (such as register state). |
| 1117 | * |
| 1118 | * We use the following note identifiers: |
| 1119 | * |
| 1120 | *	ELF_NOTE_NETBSD_CORE_PROCINFO |
| 1121 | *		Note is a "netbsd_elfcore_procinfo" structure. |
| 1122 | *	ELF_NOTE_NETBSD_CORE_AUXV |
| 1123 | *		Note is an array of AuxInfo structures. |
| 1124 | * |
| 1125 | * We also use ptrace(2) request numbers (the ones that exist in |
| 1126 | * machine-dependent space) to identify register info notes. The |
| 1127 | * info in such notes is in the same format that ptrace(2) would |
| 1128 | * export that information. |
| 1129 | * |
| 1130 | * Please try to keep the members of this structure nicely aligned, |
| 1131 | * and if you add elements, add them to the end and bump the version. |
| 1132 | */ |
| 1133 | |
| 1134 | #define ELF_NOTE_NETBSD_CORE_NAME	"NetBSD-CORE" |
| 1135 | |
| 1136 | #define ELF_NOTE_NETBSD_CORE_PROCINFO	1 |
| 1137 | #define ELF_NOTE_NETBSD_CORE_AUXV	2 |
| 1138 | |
| 1139 | #define NETBSD_ELFCORE_PROCINFO_VERSION 1 |
| 1140 | |
| 1141 | struct netbsd_elfcore_procinfo { |
| 1142 | 	/* Version 1 fields start here. */ |
| 1143 | 	uint32_t	cpi_version;		/* our version */ |
| 1144 | 	uint32_t	cpi_cpisize;		/* sizeof(this struct) */ |
| 1145 | 	uint32_t	cpi_signo;		/* killing signal */ |
| 1146 | 	uint32_t	cpi_sigcode;		/* signal code */ |
| 1147 | 	uint32_t	cpi_sigpend[4];		/* pending signals */ |
| 1148 | 	uint32_t	cpi_sigmask[4];		/* blocked signals */ |
| 1149 | 	uint32_t	cpi_sigignore[4];	/* ignored signals */ |
| 1150 | 	uint32_t	cpi_sigcatch[4];	/* caught signals */ |
| 1151 | 	int32_t		cpi_pid;		/* process ID */ |
| 1152 | 	int32_t		cpi_ppid;		/* parent process ID */ |
| 1153 | 	int32_t		cpi_pgrp;		/* process group ID */ |
| 1154 | 	int32_t		cpi_sid;		/* session ID */ |
| 1155 | 	uint32_t	cpi_ruid;		/* real user ID */ |
| 1156 | 	uint32_t	cpi_euid;		/* effective user ID */ |
| 1157 | 	uint32_t	cpi_svuid;		/* saved user ID */ |
| 1158 | 	uint32_t	cpi_rgid;		/* real group ID */ |
| 1159 | 	uint32_t	cpi_egid;		/* effective group ID */ |
| 1160 | 	uint32_t	cpi_svgid;		/* saved group ID */ |
| 1161 | 	uint32_t	cpi_nlwps;		/* number of LWPs */ |
| 1162 | 	int8_t		cpi_name[32];		/* copy of p->p_comm */ |
| 1163 | 	/* Add version 2 fields below here. */ |
| 1164 | 	int32_t		cpi_siglwp;	/* LWP target of killing signal */ |
| 1165 | }; |
| 1166 | |
| 1167 | /* |
| 1168 | * NetBSD-specific note type: MACHINE_ARCH. |
| 1169 | * There should be 1 NOTE per executable. |
| 1170 | * name:	NetBSD\0 |
| 1171 | * namesz:	7 |
| 1172 | * desc:	string |
| 1173 | * descsz:	variable |
| 1174 | */ |
| 1175 | #define ELF_NOTE_TYPE_MARCH_TAG		5 |
| 1176 | /* NetBSD-specific note name and description sizes */ |
| 1177 | #define ELF_NOTE_MARCH_NAMESZ		ELF_NOTE_NETBSD_NAMESZ |
| 1178 | /* NetBSD-specific note name */ |
| 1179 | #define ELF_NOTE_MARCH_NAME		ELF_NOTE_NETBSD_NAME |
| 1180 | |
| 1181 | /* |
| 1182 | * NetBSD-specific note type: MCMODEL |
| 1183 | * There should be 1 NOTE per executable. |
| 1184 | * name:	NetBSD\0 |
| 1185 | * namesz:	7 |
| 1186 | * code model:	string |
| 1187 | */ |
| 1188 | |
| 1189 | #define ELF_NOTE_TYPE_MCMODEL_TAG	6 |
| 1190 | /* NetBSD-specific note name and description sizes */ |
| 1191 | #define ELF_NOTE_MCMODEL_NAMESZ		ELF_NOTE_NETBSD_NAMESZ |
| 1192 | /* NetBSD-specific note name */ |
| 1193 | #define ELF_NOTE_MCMODEL_NAME		ELF_NOTE_NETBSD_NAME |
| 1194 | |
| 1195 | #if !defined(ELFSIZE) |
| 1196 | # if defined(_RUMPKERNEL) || !defined(_KERNEL) |
| 1197 | # define ELFSIZE ARCH_ELFSIZE |
| 1198 | # else |
| 1199 | # define ELFSIZE KERN_ELFSIZE |
| 1200 | # endif |
| 1201 | #endif |
| 1202 | |
| 1203 | #if defined(ELFSIZE) |
| 1204 | #define CONCAT(x,y)	__CONCAT(x,y) |
| 1205 | #define ELFNAME(x)	CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) |
| 1206 | #define ELFNAME2(x,y)	CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) |
| 1207 | #define ELFNAMEEND(x)	CONCAT(x,CONCAT(_elf,ELFSIZE)) |
| 1208 | #define ELFDEFNNAME(x)	CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) |
| 1209 | #define	ElfW(x)		CONCAT(Elf,CONCAT(ELFSIZE,CONCAT(_,x))) |
| 1210 | #endif |
| 1211 | |
| 1212 | #if defined(ELFSIZE) && (ELFSIZE == 32) |
| 1213 | #define Elf_Ehdr	Elf32_Ehdr |
| 1214 | #define Elf_Phdr	Elf32_Phdr |
| 1215 | #define Elf_Shdr	Elf32_Shdr |
| 1216 | #define Elf_Sym		Elf32_Sym |
| 1217 | #define Elf_Rel		Elf32_Rel |
| 1218 | #define Elf_Rela	Elf32_Rela |
| 1219 | #define Elf_Relr	Elf32_Relr |
| 1220 | #define Elf_Dyn		Elf32_Dyn |
| 1221 | #define Elf_Word	Elf32_Word |
| 1222 | #define Elf_Sword	Elf32_Sword |
| 1223 | #define Elf_Half	Elf32_Half |
| 1224 | #define Elf_Addr	Elf32_Addr |
| 1225 | #define Elf_Off		Elf32_Off |
| 1226 | #define Elf_SOff	Elf32_SOff |
| 1227 | #define Elf_Nhdr	Elf32_Nhdr |
| 1228 | #define Elf_Verdef	Elf32_Verdef |
| 1229 | #define Elf_Verdaux	Elf32_Verdaux |
| 1230 | #define Elf_Verneed	Elf32_Verneed |
| 1231 | #define Elf_Vernaux	Elf32_Vernaux |
| 1232 | #define Elf_Versym	Elf32_Versym |
| 1233 | |
| 1234 | #define ELF_R_SYM	ELF32_R_SYM |
| 1235 | #define ELF_R_TYPE	ELF32_R_TYPE |
| 1236 | #define ELFCLASS	ELFCLASS32 |
| 1237 | |
| 1238 | #define AuxInfo		Aux32Info |
| 1239 | #elif defined(ELFSIZE) && (ELFSIZE == 64) |
| 1240 | #define Elf_Ehdr	Elf64_Ehdr |
| 1241 | #define Elf_Phdr	Elf64_Phdr |
| 1242 | #define Elf_Shdr	Elf64_Shdr |
| 1243 | #define Elf_Sym		Elf64_Sym |
| 1244 | #define Elf_Rel		Elf64_Rel |
| 1245 | #define Elf_Rela	Elf64_Rela |
| 1246 | #define Elf_Relr	Elf64_Relr |
| 1247 | #define Elf_Dyn		Elf64_Dyn |
| 1248 | #define Elf_Word	Elf64_Word |
| 1249 | #define Elf_Sword	Elf64_Sword |
| 1250 | #define Elf_Half	Elf64_Half |
| 1251 | #define Elf_Addr	Elf64_Addr |
| 1252 | #define Elf_Off		Elf64_Off |
| 1253 | #define Elf_SOff	Elf64_SOff |
| 1254 | #define Elf_Nhdr	Elf64_Nhdr |
| 1255 | #define Elf_Verdef	Elf64_Verdef |
| 1256 | #define Elf_Verdaux	Elf64_Verdaux |
| 1257 | #define Elf_Verneed	Elf64_Verneed |
| 1258 | #define Elf_Vernaux	Elf64_Vernaux |
| 1259 | #define Elf_Versym	Elf64_Versym |
| 1260 | |
| 1261 | #define ELF_R_SYM	ELF64_R_SYM |
| 1262 | #define ELF_R_TYPE	ELF64_R_TYPE |
| 1263 | #define ELFCLASS	ELFCLASS64 |
| 1264 | |
| 1265 | #define AuxInfo		Aux64Info |
| 1266 | #endif |
| 1267 | |
| 1268 | #ifndef Elf_Symindx |
| 1269 | #define Elf_Symindx	uint32_t |
| 1270 | #endif |
| 1271 | |
| 1272 | #define ELF32_ST_BIND(info)		ELF_ST_BIND(info) |
| 1273 | #define ELF32_ST_TYPE(info)		ELF_ST_TYPE(info) |
| 1274 | #define ELF32_ST_INFO(bind,type)	ELF_ST_INFO(bind,type) |
| 1275 | #define ELF32_ST_VISIBILITY(other)	ELF_ST_VISIBILITY(other) |
| 1276 | |
| 1277 | #define ELF64_ST_BIND(info)		ELF_ST_BIND(info) |
| 1278 | #define ELF64_ST_TYPE(info)		ELF_ST_TYPE(info) |
| 1279 | #define ELF64_ST_INFO(bind,type)	ELF_ST_INFO(bind,type) |
| 1280 | #define ELF64_ST_VISIBILITY(other)	ELF_ST_VISIBILITY(other) |
| 1281 | |
| 1282 | typedef struct { |
| 1283 | 	Elf32_Half	si_boundto;	/* direct bindings - symbol bound to */ |
| 1284 | 	Elf32_Half	si_flags;	/* per symbol flags */ |
| 1285 | } Elf32_Syminfo; |
| 1286 | |
| 1287 | typedef struct { |
| 1288 | 	Elf64_Word	si_boundto;	/* direct bindings - symbol bound to */ |
| 1289 | 	Elf64_Word	si_flags;	/* per symbol flags */ |
| 1290 | } Elf64_Syminfo; |
| 1291 | |
| 1292 | #define SYMINFO_FLG_DIRECT	0x0001	/* symbol ref has direct association |
| 1293 | 					 to object containing definition */ |
| 1294 | #define SYMINFO_FLG_PASSTHRU	0x0002	/* ignored - see SYMINFO_FLG_FILTER */ |
| 1295 | #define SYMINFO_FLG_COPY	0x0004	/* symbol is a copy-reloc */ |
| 1296 | #define SYMINFO_FLG_LAZYLOAD	0x0008	/* object containing defn should be |
| 1297 | 					 lazily-loaded */ |
| 1298 | #define SYMINFO_FLG_DIRECTBIND	0x0010	/* ref should be bound directly to |
| 1299 | 					 object containing definition */ |
| 1300 | #define SYMINFO_FLG_NOEXTDIRECT 0x0020	/* don't let an external reference |
| 1301 | 					 directly bind to this symbol */ |
| 1302 | #define SYMINFO_FLG_FILTER	0x0002	/* symbol ref is associated to a */ |
| 1303 | #define SYMINFO_FLG_AUXILIARY	0x0040	/*	standard or auxiliary filter */ |
| 1304 | |
| 1305 | #define SYMINFO_BT_SELF		0xffff	/* symbol bound to self */ |
| 1306 | #define SYMINFO_BT_PARENT	0xfffe	/* symbol bound to parent */ |
| 1307 | #define SYMINFO_BT_NONE		0xfffd	/* no special symbol binding */ |
| 1308 | #define SYMINFO_BT_EXTERN	0xfffc	/* symbol defined as external */ |
| 1309 | #define SYMINFO_BT_LOWRESERVE	0xff00	/* beginning of reserved entries */ |
| 1310 | |
| 1311 | #define SYMINFO_NONE		0	/* Syminfo version */ |
| 1312 | #define SYMINFO_CURRENT		1 |
| 1313 | #define SYMINFO_NUM		2 |
| 1314 | |
| 1315 | /* |
| 1316 | * These constants are used for Elf32_Verdef struct's version number. |
| 1317 | */ |
| 1318 | #define VER_DEF_NONE		0 |
| 1319 | #define VER_DEF_CURRENT		1 |
| 1320 | |
| 1321 | /* |
| 1322 | * These constants are used for Elf32_Verdef struct's vd_ndx. |
| 1323 | */ |
| 1324 | #define VER_DEF_IDX(x)		VER_NDX(x) |
| 1325 | |
| 1326 | /* |
| 1327 | * These constants are used for Elf32_Verdef struct's vd_flags. |
| 1328 | */ |
| 1329 | #define VER_FLG_BASE		0x1 |
| 1330 | #define VER_FLG_WEAK		0x2 |
| 1331 | |
| 1332 | /* |
| 1333 | * These are used in an Elf32_Versym field. |
| 1334 | */ |
| 1335 | #define VER_NDX_LOCAL		0 |
| 1336 | #define VER_NDX_GLOBAL		1 |
| 1337 | #define VER_NDX_GIVEN		2 |
| 1338 | |
| 1339 | /* |
| 1340 | * These constants are used for Elf32_Verneed struct's version number. |
| 1341 | */ |
| 1342 | #define VER_NEED_NONE		0 |
| 1343 | #define VER_NEED_CURRENT	1 |
| 1344 | |
| 1345 | /* |
| 1346 | * These constants are used for Elf32_Vernaux struct's vna_other. |
| 1347 | */ |
| 1348 | #define VER_NEED_HIDDEN		VER_NDX_HIDDEN |
| 1349 | #define VER_NEED_IDX(x)		VER_NDX(x) |
| 1350 | |
| 1351 | /* index */ |
| 1352 | #define VER_NDX_HIDDEN		0x8000 |
| 1353 | #define VER_NDX(x)		((x) & ~VER_NDX_HIDDEN) |
| 1354 | |
| 1355 | /* |
| 1356 | * GNU Extension hiding symbol |
| 1357 | */ |
| 1358 | #define VERSYM_HIDDEN		0x8000 |
| 1359 | #define VERSYM_VERSION		0x7fff |
| 1360 | |
| 1361 | #define ELF_VER_CHR		'@' |
| 1362 | |
| 1363 | /* |
| 1364 | * These are current size independent. |
| 1365 | */ |
| 1366 | |
| 1367 | typedef struct { |
| 1368 | 	Elf32_Half	vd_version;	/* version number of structure */ |
| 1369 | 	Elf32_Half	vd_flags;	/* flags (VER_FLG_*) */ |
| 1370 | 	Elf32_Half	vd_ndx;		/* version index */ |
| 1371 | 	Elf32_Half	vd_cnt;		/* number of verdaux entries */ |
| 1372 | 	Elf32_Word	vd_hash;	/* hash of name */ |
| 1373 | 	Elf32_Word	vd_aux;		/* offset to verdaux entries */ |
| 1374 | 	Elf32_Word	vd_next;	/* offset to next verdef */ |
| 1375 | } Elf32_Verdef; |
| 1376 | typedef Elf32_Verdef	Elf64_Verdef; |
| 1377 | |
| 1378 | typedef struct { |
| 1379 | 	Elf32_Word	vda_name;	/* string table offset of name */ |
| 1380 | 	Elf32_Word	vda_next;	/* offset to verdaux */ |
| 1381 | } Elf32_Verdaux; |
| 1382 | typedef Elf32_Verdaux	Elf64_Verdaux; |
| 1383 | |
| 1384 | typedef struct { |
| 1385 | 	Elf32_Half	vn_version;	/* version number of structure */ |
| 1386 | 	Elf32_Half	vn_cnt;		/* number of vernaux entries */ |
| 1387 | 	Elf32_Word	vn_file;	/* string table offset of library name*/ |
| 1388 | 	Elf32_Word	vn_aux;		/* offset to vernaux entries */ |
| 1389 | 	Elf32_Word	vn_next;	/* offset to next verneed */ |
| 1390 | } Elf32_Verneed; |
| 1391 | typedef Elf32_Verneed	Elf64_Verneed; |
| 1392 | |
| 1393 | typedef struct { |
| 1394 | 	Elf32_Word	vna_hash;	/* Hash of dependency name */ |
| 1395 | 	Elf32_Half	vna_flags;	/* flags (VER_FLG_*) */ |
| 1396 | 	Elf32_Half	vna_other;	/* unused */ |
| 1397 | 	Elf32_Word	vna_name;	/* string table offset to version name*/ |
| 1398 | 	Elf32_Word	vna_next;	/* offset to next vernaux */ |
| 1399 | } Elf32_Vernaux; |
| 1400 | typedef Elf32_Vernaux	Elf64_Vernaux; |
| 1401 | |
| 1402 | typedef struct { |
| 1403 | 	Elf32_Half	vs_vers; |
| 1404 | } Elf32_Versym; |
| 1405 | typedef Elf32_Versym	Elf64_Versym; |
| 1406 | |
| 1407 | #ifdef _KERNEL |
| 1408 | |
| 1409 | /* |
| 1410 | * Arbitrary limits to avoid DoS for excessive memory allocation. |
| 1411 | */ |
| 1412 | #define ELF_MAXPHNUM	128 |
| 1413 | #define ELF_MAXSHNUM	32768 |
| 1414 | #define ELF_MAXNOTESIZE	1024 |
| 1415 | |
| 1416 | #define ELF_AUX_ENTRIES 15	/* Max size of aux array passed to loader */ |
| 1417 | #define ELF32_NO_ADDR	(~(Elf32_Addr)0) /* Indicates addr. not yet filled in */ |
| 1418 | #define ELF32_LINK_ADDR ((Elf32_Addr)-2) /* advises to use link address */ |
| 1419 | #define ELF64_NO_ADDR	(~(Elf64_Addr)0) /* Indicates addr. not yet filled in */ |
| 1420 | #define ELF64_LINK_ADDR ((Elf64_Addr)-2) /* advises to use link address */ |
| 1421 | |
| 1422 | #if defined(ELFSIZE) && (ELFSIZE == 64) |
| 1423 | #define ELF_NO_ADDR	ELF64_NO_ADDR |
| 1424 | #define ELF_LINK_ADDR	ELF64_LINK_ADDR |
| 1425 | #elif defined(ELFSIZE) && (ELFSIZE == 32) |
| 1426 | #define ELF_NO_ADDR	ELF32_NO_ADDR |
| 1427 | #define ELF_LINK_ADDR	ELF32_LINK_ADDR |
| 1428 | #endif |
| 1429 | |
| 1430 | #ifndef ELF32_EHDR_FLAGS_OK |
| 1431 | #define ELF32_EHDR_FLAGS_OK(eh) 1 |
| 1432 | #endif |
| 1433 | |
| 1434 | #ifndef ELF64_EHDR_FLAGS_OK |
| 1435 | #define ELF64_EHDR_FLAGS_OK(eh) 1 |
| 1436 | #endif |
| 1437 | |
| 1438 | #if defined(ELFSIZE) && (ELFSIZE == 64) |
| 1439 | #define ELF_EHDR_FLAGS_OK(eh)	ELF64_EHDR_FLAGS_OK(eh) |
| 1440 | #else |
| 1441 | #define ELF_EHDR_FLAGS_OK(eh)	ELF32_EHDR_FLAGS_OK(eh) |
| 1442 | #endif |
| 1443 | |
| 1444 | #if defined(ELFSIZE) |
| 1445 | struct elf_args { |
| 1446 | 	Elf_Addr	arg_entry;	/* program entry point */ |
| 1447 | 	Elf_Addr	arg_interp;	/* Interpreter load address */ |
| 1448 | 	Elf_Addr	arg_phaddr;	/* program header address */ |
| 1449 | 	Elf_Addr	arg_phentsize;	/* Size of program header */ |
| 1450 | 	Elf_Addr	arg_phnum;	/* Number of program headers */ |
| 1451 | }; |
| 1452 | #endif |
| 1453 | |
| 1454 | #ifdef _KERNEL_OPT |
| 1455 | #include "opt_execfmt.h" |
| 1456 | #endif |
| 1457 | |
| 1458 | struct ps_strings; |
| 1459 | struct coredump_iostate; |
| 1460 | struct note_state; |
| 1461 | struct exec_package; |
| 1462 | |
| 1463 | #ifdef EXEC_ELF32 |
| 1464 | int	exec_elf32_makecmds(struct lwp *, struct exec_package *); |
| 1465 | int	elf32_populate_auxv(struct lwp *, struct exec_package *, char **); |
| 1466 | int	elf32_copyargs(struct lwp *, struct exec_package *, |
| 1467 | struct ps_strings *, char **, void *); |
| 1468 | |
| 1469 | int	elf32_check_header(Elf32_Ehdr *); |
| 1470 | #endif |
| 1471 | |
| 1472 | int	real_coredump_elf32(struct lwp *, struct coredump_iostate *); |
| 1473 | int	coredump_elf32(struct lwp *, struct coredump_iostate *); |
| 1474 | void	coredump_savenote_elf32(struct note_state *, unsigned int, |
| 1475 | 	 const char *, void *, size_t); |
| 1476 | |
| 1477 | #ifdef EXEC_ELF64 |
| 1478 | int	exec_elf64_makecmds(struct lwp *, struct exec_package *); |
| 1479 | int	elf64_populate_auxv(struct lwp *, struct exec_package *, char **); |
| 1480 | int	elf64_copyargs(struct lwp *, struct exec_package *, |
| 1481 | struct ps_strings *, char **, void *); |
| 1482 | |
| 1483 | int	elf64_check_header(Elf64_Ehdr *); |
| 1484 | #endif |
| 1485 | |
| 1486 | int	real_coredump_elf64(struct lwp *, struct coredump_iostate *); |
| 1487 | int	coredump_elf64(struct lwp *, struct coredump_iostate *); |
| 1488 | void	coredump_savenote_elf64(struct note_state *, unsigned int, |
| 1489 | 	 const char *, void *, size_t); |
| 1490 | |
| 1491 | #endif /* _KERNEL */ |
| 1492 | |
| 1493 | #endif /* !_SYS_EXEC_ELF_H_ */ |