2 * Copyright (c) 1998 John D. Polstra.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #ifndef _SYS_ELF_COMMON_H_
28 #define _SYS_ELF_COMMON_H_
31 #include <sys/types.h>
35 * ELF definitions that are independent of architecture or word size.
39 * Note header. The ".note" section contains an array of notes. Each
40 * begins with this header, aligned to a word boundary. Immediately
41 * following the note header is n_namesz bytes of name, padded to the
42 * next word boundary. Then comes n_descsz bytes of descriptor, again
43 * padded to a word boundary. The values of n_namesz and n_descsz do
44 * not include the padding.
48 u_int32_t n_namesz; /* Length of name. */
49 u_int32_t n_descsz; /* Length of descriptor. */
50 u_int32_t n_type; /* Type of this note. */
53 /* Indexes into the e_ident array. Keep synced with
54 http://www.sco.com/developers/gabi/latest/ch4.eheader.html */
55 #define EI_MAG0 0 /* Magic number, byte 0. */
56 #define EI_MAG1 1 /* Magic number, byte 1. */
57 #define EI_MAG2 2 /* Magic number, byte 2. */
58 #define EI_MAG3 3 /* Magic number, byte 3. */
59 #define EI_CLASS 4 /* Class of machine. */
60 #define EI_DATA 5 /* Data format. */
61 #define EI_VERSION 6 /* ELF format version. */
62 #define EI_OSABI 7 /* Operating system / ABI identification */
63 #define EI_ABIVERSION 8 /* ABI version */
64 #define EI_PAD 9 /* Start of padding (per SVR4 ABI). */
65 #define EI_NIDENT 16 /* Size of e_ident array. */
67 /* Values for the magic number bytes. */
72 #define ELFMAG "\177ELF" /* magic string */
73 #define SELFMAG 4 /* magic string size */
75 /* Values for e_ident[EI_VERSION] and e_version. */
79 /* Values for e_ident[EI_CLASS]. */
80 #define ELFCLASSNONE 0 /* Unknown class. */
81 #define ELFCLASS32 1 /* 32-bit architecture. */
82 #define ELFCLASS64 2 /* 64-bit architecture. */
84 /* Values for e_ident[EI_DATA]. */
85 #define ELFDATANONE 0 /* Unknown data format. */
86 #define ELFDATA2LSB 1 /* 2's complement little-endian. */
87 #define ELFDATA2MSB 2 /* 2's complement big-endian. */
89 /* Values for e_ident[EI_OSABI]. */
90 #define ELFOSABI_SYSV 0 /* symbol used in old spec */
91 #define ELFOSABI_NONE 0 /* UNIX System V ABI */
92 #define ELFOSABI_HPUX 1 /* HP-UX operating system */
93 #define ELFOSABI_NETBSD 2 /* NetBSD */
94 #define ELFOSABI_GNU 3 /* GNU */
95 #define ELFOSABI_LINUX 3 /* Alias for ELFOSABI_GNU */
96 #define ELFOSABI_SOLARIS 6 /* Solaris */
97 #define ELFOSABI_AIX 7 /* AIX */
98 #define ELFOSABI_IRIX 8 /* IRIX */
99 #define ELFOSABI_FREEBSD 9 /* FreeBSD */
100 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */
101 #define ELFOSABI_MODESTO 11 /* Novell Modesto */
102 #define ELFOSABI_OPENBSD 12 /* OpenBSD */
103 #define ELFOSABI_OPENVMS 13 /* OpenVMS */
104 #define ELFOSABI_NSK 14 /* Hewlett-Packard Non-Stop Kernel */
105 #define ELFOSABI_AROS 15 /* AROS */
106 #define ELFOSABI_FENIXOS 16 /* FenixOS */
107 #define ELFOSABI_C6000_ELFABI 64 /* Bare-metal TMS320C6000 */
108 #define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000 */
109 #define ELFOSABI_ARM 97 /* ARM */
110 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
113 #define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
114 (ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
115 (ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
116 (ehdr).e_ident[EI_MAG3] == ELFMAG3)
118 /* Values for e_type, which identifies the object file type. */
120 #define ET_NONE 0 /* No file type */
121 #define ET_REL 1 /* Relocatable file */
122 #define ET_EXEC 2 /* Executable file */
123 #define ET_DYN 3 /* Shared object file */
124 #define ET_CORE 4 /* Core file */
125 #define ET_LOOS 0xFE00 /* Operating system-specific */
126 #define ET_HIOS 0xFEFF /* Operating system-specific */
127 #define ET_LOPROC 0xFF00 /* Processor-specific */
128 #define ET_HIPROC 0xFFFF /* Processor-specific */
130 /* Values for e_machine, which identifies the architecture. These numbers
131 are officially assigned by registry@sco.com. See below for a list of
132 ad-hoc numbers used during initial development. */
134 #define EM_NONE 0 /* No machine */
135 #define EM_M32 1 /* AT&T WE 32100 */
136 #define EM_SPARC 2 /* SUN SPARC */
137 #define EM_386 3 /* Intel 80386 */
138 #define EM_68K 4 /* Motorola m68k family */
139 #define EM_88K 5 /* Motorola m88k family */
140 #define EM_486 6 /* Intel 80486 *//* Reserved for future use */
141 #define EM_860 7 /* Intel 80860 */
142 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */
143 #define EM_S370 9 /* IBM System/370 */
144 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */
145 #define EM_res011 11 /* Reserved */
146 #define EM_res012 12 /* Reserved */
147 #define EM_res013 13 /* Reserved */
148 #define EM_res014 14 /* Reserved */
149 #define EM_PARISC 15 /* HPPA */
150 #define EM_res016 16 /* Reserved */
151 #define EM_VPP550 17 /* Fujitsu VPP500 */
152 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
153 #define EM_960 19 /* Intel 80960 */
154 #define EM_PPC 20 /* PowerPC */
155 #define EM_PPC64 21 /* 64-bit PowerPC */
156 #define EM_S390 22 /* IBM S/390 */
157 #define EM_SPU 23 /* Sony/Toshiba/IBM SPU */
158 #define EM_res024 24 /* Reserved */
159 #define EM_res025 25 /* Reserved */
160 #define EM_res026 26 /* Reserved */
161 #define EM_res027 27 /* Reserved */
162 #define EM_res028 28 /* Reserved */
163 #define EM_res029 29 /* Reserved */
164 #define EM_res030 30 /* Reserved */
165 #define EM_res031 31 /* Reserved */
166 #define EM_res032 32 /* Reserved */
167 #define EM_res033 33 /* Reserved */
168 #define EM_res034 34 /* Reserved */
169 #define EM_res035 35 /* Reserved */
170 #define EM_V800 36 /* NEC V800 series */
171 #define EM_FR20 37 /* Fujitsu FR20 */
172 #define EM_RH32 38 /* TRW RH32 */
173 #define EM_MCORE 39 /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
174 #define EM_RCE 39 /* Old name for MCore */
175 #define EM_ARM 40 /* ARM */
176 #define EM_OLD_ALPHA 41 /* Digital Alpha */
177 #define EM_SH 42 /* Renesas (formerly Hitachi) / SuperH SH */
178 #define EM_SPARCV9 43 /* SPARC v9 64-bit */
179 #define EM_TRICORE 44 /* Siemens Tricore embedded processor */
180 #define EM_ARC 45 /* ARC Cores */
181 #define EM_H8_300 46 /* Renesas (formerly Hitachi) H8/300 */
182 #define EM_H8_300H 47 /* Renesas (formerly Hitachi) H8/300H */
183 #define EM_H8S 48 /* Renesas (formerly Hitachi) H8S */
184 #define EM_H8_500 49 /* Renesas (formerly Hitachi) H8/500 */
185 #define EM_IA_64 50 /* Intel IA-64 Processor */
186 #define EM_MIPS_X 51 /* Stanford MIPS-X */
187 #define EM_COLDFIRE 52 /* Motorola Coldfire */
188 #define EM_68HC12 53 /* Motorola M68HC12 */
189 #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */
190 #define EM_PCP 55 /* Siemens PCP */
191 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */
192 #define EM_NDR1 57 /* Denso NDR1 microprocessor */
193 #define EM_STARCORE 58 /* Motorola Star*Core processor */
194 #define EM_ME16 59 /* Toyota ME16 processor */
195 #define EM_ST100 60 /* STMicroelectronics ST100 processor */
196 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */
197 #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */
198 #define EM_PDSP 63 /* Sony DSP Processor */
199 #define EM_PDP10 64 /* Digital Equipment Corp. PDP-10 */
200 #define EM_PDP11 65 /* Digital Equipment Corp. PDP-11 */
201 #define EM_FX66 66 /* Siemens FX66 microcontroller */
202 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */
203 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */
204 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */
205 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */
206 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */
207 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */
208 #define EM_SVX 73 /* Silicon Graphics SVx */
209 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */
210 #define EM_VAX 75 /* Digital VAX */
211 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
212 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */
213 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */
214 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */
215 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */
216 #define EM_HUANY 81 /* Harvard's machine-independent format */
217 #define EM_PRISM 82 /* SiTera Prism */
218 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
219 #define EM_FR30 84 /* Fujitsu FR30 */
220 #define EM_D10V 85 /* Mitsubishi D10V */
221 #define EM_D30V 86 /* Mitsubishi D30V */
222 #define EM_V850 87 /* Renesas V850 (formerly NEC V850) */
223 #define EM_M32R 88 /* Renesas M32R (formerly Mitsubishi M32R) */
224 #define EM_MN10300 89 /* Matsushita MN10300 */
225 #define EM_MN10200 90 /* Matsushita MN10200 */
226 #define EM_PJ 91 /* picoJava */
227 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */
228 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */
229 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */
230 #define EM_VIDEOCORE 95 /* Alphamosaic VideoCore processor */
231 #define EM_TMM_GPP 96 /* Thompson Multimedia General Purpose Processor */
232 #define EM_NS32K 97 /* National Semiconductor 32000 series */
233 #define EM_TPC 98 /* Tenor Network TPC processor */
234 #define EM_SNP1K 99 /* Trebia SNP 1000 processor */
235 #define EM_ST200 100 /* STMicroelectronics ST200 microcontroller */
236 #define EM_IP2K 101 /* Ubicom IP2022 micro controller */
237 #define EM_MAX 102 /* MAX Processor */
238 #define EM_CR 103 /* National Semiconductor CompactRISC */
239 #define EM_F2MC16 104 /* Fujitsu F2MC16 */
240 #define EM_MSP430 105 /* TI msp430 micro controller */
241 #define EM_BLACKFIN 106 /* ADI Blackfin */
242 #define EM_SE_C33 107 /* S1C33 Family of Seiko Epson processors */
243 #define EM_SEP 108 /* Sharp embedded microprocessor */
244 #define EM_ARCA 109 /* Arca RISC Microprocessor */
245 #define EM_UNICORE 110 /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */
246 #define EM_EXCESS 111 /* eXcess: 16/32/64-bit configurable embedded CPU */
247 #define EM_DXP 112 /* Icera Semiconductor Inc. Deep Execution Processor */
248 #define EM_ALTERA_NIOS2 113 /* Altera Nios II soft-core processor */
249 #define EM_CRX 114 /* National Semiconductor CRX */
250 #define EM_XGATE 115 /* Motorola XGATE embedded processor */
251 #define EM_C166 116 /* Infineon C16x/XC16x processor */
252 #define EM_M16C 117 /* Renesas M16C series microprocessors */
253 #define EM_DSPIC30F 118 /* Microchip Technology dsPIC30F Digital Signal Controller */
254 #define EM_CE 119 /* Freescale Communication Engine RISC core */
255 #define EM_M32C 120 /* Renesas M32C series microprocessors */
256 #define EM_res121 121 /* Reserved */
257 #define EM_res122 122 /* Reserved */
258 #define EM_res123 123 /* Reserved */
259 #define EM_res124 124 /* Reserved */
260 #define EM_res125 125 /* Reserved */
261 #define EM_res126 126 /* Reserved */
262 #define EM_res127 127 /* Reserved */
263 #define EM_res128 128 /* Reserved */
264 #define EM_res129 129 /* Reserved */
265 #define EM_res130 130 /* Reserved */
266 #define EM_TSK3000 131 /* Altium TSK3000 core */
267 #define EM_RS08 132 /* Freescale RS08 embedded processor */
268 #define EM_res133 133 /* Reserved */
269 #define EM_ECOG2 134 /* Cyan Technology eCOG2 microprocessor */
270 #define EM_SCORE 135 /* Sunplus Score */
271 #define EM_SCORE7 135 /* Sunplus S+core7 RISC processor */
272 #define EM_DSP24 136 /* New Japan Radio (NJR) 24-bit DSP Processor */
273 #define EM_VIDEOCORE3 137 /* Broadcom VideoCore III processor */
274 #define EM_LATTICEMICO32 138 /* RISC processor for Lattice FPGA architecture */
275 #define EM_SE_C17 139 /* Seiko Epson C17 family */
276 #define EM_TI_C6000 140 /* Texas Instruments TMS320C6000 DSP family */
277 #define EM_TI_C2000 141 /* Texas Instruments TMS320C2000 DSP family */
278 #define EM_TI_C5500 142 /* Texas Instruments TMS320C55x DSP family */
279 #define EM_res143 143 /* Reserved */
280 #define EM_res144 144 /* Reserved */
281 #define EM_res145 145 /* Reserved */
282 #define EM_res146 146 /* Reserved */
283 #define EM_res147 147 /* Reserved */
284 #define EM_res148 148 /* Reserved */
285 #define EM_res149 149 /* Reserved */
286 #define EM_res150 150 /* Reserved */
287 #define EM_res151 151 /* Reserved */
288 #define EM_res152 152 /* Reserved */
289 #define EM_res153 153 /* Reserved */
290 #define EM_res154 154 /* Reserved */
291 #define EM_res155 155 /* Reserved */
292 #define EM_res156 156 /* Reserved */
293 #define EM_res157 157 /* Reserved */
294 #define EM_res158 158 /* Reserved */
295 #define EM_res159 159 /* Reserved */
296 #define EM_MMDSP_PLUS 160 /* STMicroelectronics 64bit VLIW Data Signal Processor */
297 #define EM_CYPRESS_M8C 161 /* Cypress M8C microprocessor */
298 #define EM_R32C 162 /* Renesas R32C series microprocessors */
299 #define EM_TRIMEDIA 163 /* NXP Semiconductors TriMedia architecture family */
300 #define EM_QDSP6 164 /* QUALCOMM DSP6 Processor */
301 #define EM_8051 165 /* Intel 8051 and variants */
302 #define EM_STXP7X 166 /* STMicroelectronics STxP7x family */
303 #define EM_NDS32 167 /* Andes Technology compact code size embedded RISC processor family */
304 #define EM_ECOG1 168 /* Cyan Technology eCOG1X family */
305 #define EM_ECOG1X 168 /* Cyan Technology eCOG1X family */
306 #define EM_MAXQ30 169 /* Dallas Semiconductor MAXQ30 Core Micro-controllers */
307 #define EM_XIMO16 170 /* New Japan Radio (NJR) 16-bit DSP Processor */
308 #define EM_MANIK 171 /* M2000 Reconfigurable RISC Microprocessor */
309 #define EM_CRAYNV2 172 /* Cray Inc. NV2 vector architecture */
310 #define EM_RX 173 /* Renesas RX family */
311 #define EM_METAG 174 /* Imagination Technologies META processor architecture */
312 #define EM_MCST_ELBRUS 175 /* MCST Elbrus general purpose hardware architecture */
313 #define EM_ECOG16 176 /* Cyan Technology eCOG16 family */
314 #define EM_CR16 177 /* National Semiconductor CompactRISC 16-bit processor */
315 #define EM_ETPU 178 /* Freescale Extended Time Processing Unit */
316 #define EM_SLE9X 179 /* Infineon Technologies SLE9X core */
317 #define EM_L1OM 180 /* Intel L1OM */
318 #define EM_K1OM 181 /* Intel K1OM */
319 #define EM_INTEL182 182 /* Reserved by Intel */
320 #define EM_res183 183 /* Reserved by ARM */
321 #define EM_res184 184 /* Reserved by ARM */
322 #define EM_AVR32 185 /* Atmel Corporation 32-bit microprocessor family */
323 #define EM_STM8 186 /* STMicroeletronics STM8 8-bit microcontroller */
324 #define EM_TILE64 187 /* Tilera TILE64 multicore architecture family */
325 #define EM_TILEPRO 188 /* Tilera TILEPro multicore architecture family */
326 #define EM_MICROBLAZE 189 /* Xilinx MicroBlaze 32-bit RISC soft processor core */
327 #define EM_CUDA 190 /* NVIDIA CUDA architecture */
328 #define EM_TILEGX 191 /* Tilera TILE-Gx multicore architecture family */
330 /* Special section indexes. */
332 #define SHN_UNDEF 0 /* Undefined, missing, irrelevant. */
333 #define SHN_LORESERVE 0xff00 /* First of reserved range. */
334 #define SHN_LOPROC 0xff00 /* First processor-specific. */
335 #define SHN_HIPROC 0xff1f /* Last processor-specific. */
336 #define SHN_LOOS 0xff20 /* First operating system-specific. */
337 #define SHN_HIOS 0xff3f /* Last operating system-specific. */
338 #define SHN_ABS 0xfff1 /* Absolute values. */
339 #define SHN_COMMON 0xfff2 /* Common data. */
340 #define SHN_XINDEX 0xffff /* Escape -- index stored elsewhere. */
341 #define SHN_HIRESERVE 0xffff /* Last of reserved range. */
343 /* Values for program header, p_type field. */
345 #define PT_NULL 0 /* Program header table entry unused */
346 #define PT_LOAD 1 /* Loadable program segment */
347 #define PT_DYNAMIC 2 /* Dynamic linking information */
348 #define PT_INTERP 3 /* Program interpreter */
349 #define PT_NOTE 4 /* Auxiliary information */
350 #define PT_SHLIB 5 /* Reserved, unspecified semantics */
351 #define PT_PHDR 6 /* Entry for header table itself */
352 #define PT_TLS 7 /* Thread local storage segment */
353 #define PT_LOOS 0x60000000 /* OS-specific */
354 #define PT_HIOS 0x6fffffff /* OS-specific */
355 #define PT_LOPROC 0x70000000 /* Processor-specific */
356 #define PT_HIPROC 0x7FFFFFFF /* Processor-specific */
358 #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */
359 #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */
360 #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */
361 #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */
363 /* Program segment permissions, in program header p_flags field. */
365 #define PF_X 0x1 /* Segment is executable */
366 #define PF_W 0x2 /* Segment is writable */
367 #define PF_R 0x4 /* Segment is readable */
368 #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
369 #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */
371 /* Values for section header, sh_type field. */
373 #define SHT_NULL 0 /* Section header table entry unused */
374 #define SHT_PROGBITS 1 /* Program specific (private) data */
375 #define SHT_SYMTAB 2 /* Link editing symbol table */
376 #define SHT_STRTAB 3 /* A string table */
377 #define SHT_RELA 4 /* Relocation entries with addends */
378 #define SHT_HASH 5 /* A symbol hash table */
379 #define SHT_DYNAMIC 6 /* Information for dynamic linking */
380 #define SHT_NOTE 7 /* Information that marks file */
381 #define SHT_NOBITS 8 /* Section occupies no space in file */
382 #define SHT_REL 9 /* Relocation entries, no addends */
383 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */
384 #define SHT_DYNSYM 11 /* Dynamic linking symbol table */
386 #define SHT_INIT_ARRAY 14 /* Array of ptrs to init functions */
387 #define SHT_FINI_ARRAY 15 /* Array of ptrs to finish functions */
388 #define SHT_PREINIT_ARRAY 16 /* Array of ptrs to pre-init funcs */
389 #define SHT_GROUP 17 /* Section contains a section group */
390 #define SHT_SYMTAB_SHNDX 18 /* Indicies for SHN_XINDEX entries */
392 #define SHT_LOOS 0x60000000 /* First of OS specific semantics */
393 #define SHT_HIOS 0x6fffffff /* Last of OS specific semantics */
395 #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700 /* incremental build data */
396 #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */
397 #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */
398 #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */
400 /* The next three section types are defined by Solaris, and are named
401 SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU*
403 #define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
404 #define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
405 #define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
407 #define SHT_GNU_verdef SHT_SUNW_verdef
408 #define SHT_GNU_verneed SHT_SUNW_verneed
409 #define SHT_GNU_versym SHT_SUNW_versym
411 #define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
412 #define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
413 #define SHT_LOUSER 0x80000000 /* Application-specific semantics */
414 #define SHT_HIUSER 0xFFFFFFFF /* New value, defined in Oct 4, 1999 Draft */
416 /* Values for section header, sh_flags field. */
418 #define SHF_WRITE 0x1 /* Writable data during execution */
419 #define SHF_ALLOC 0x2 /* Occupies memory during execution */
420 #define SHF_EXECINSTR 0x4 /* Executable machine instructions */
421 #define SHF_MERGE 0x10 /* Data in this section can be merged */
422 #define SHF_STRINGS 0x20 /* Contains null terminated character strings */
423 #define SHF_INFO_LINK 0x40 /* sh_info holds section header table index */
424 #define SHF_LINK_ORDER 0x80 /* Preserve section ordering when linking */
425 #define SHF_OS_NONCONFORMING 0x100 /* OS specific processing required */
426 #define SHF_GROUP 0x200 /* Member of a section group */
427 #define SHF_TLS 0x400 /* Thread local storage section */
429 #define SHF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */
430 #define SHF_MASKPROC 0xF0000000 /* Processor-specific semantics */
432 /* Values of note segment descriptor types for core files. */
434 #define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
435 #define NT_FPREGSET 2 /* Contains copy of fpregset struct */
436 #define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
437 #define NT_TASKSTRUCT 4 /* Contains copy of task struct */
438 #define NT_AUXV 6 /* Contains copy of Elfxx_auxv_t */
440 #define STN_UNDEF 0 /* Undefined symbol index */
442 #define STB_LOCAL 0 /* Symbol not visible outside obj */
443 #define STB_GLOBAL 1 /* Symbol visible outside obj */
444 #define STB_WEAK 2 /* Like globals, lower precedence */
445 #define STB_LOOS 10 /* OS-specific semantics */
446 #define STB_GNU_UNIQUE 10 /* Symbol is unique in namespace */
447 #define STB_HIOS 12 /* OS-specific semantics */
448 #define STB_LOPROC 13 /* Processor-specific semantics */
449 #define STB_HIPROC 15 /* Processor-specific semantics */
451 #define STT_NOTYPE 0 /* Symbol type is unspecified */
452 #define STT_OBJECT 1 /* Symbol is a data object */
453 #define STT_FUNC 2 /* Symbol is a code object */
454 #define STT_SECTION 3 /* Symbol associated with a section */
455 #define STT_FILE 4 /* Symbol gives a file name */
456 #define STT_COMMON 5 /* An uninitialised common block */
457 #define STT_TLS 6 /* Thread local data object */
458 #define STT_RELC 8 /* Complex relocation expression */
459 #define STT_SRELC 9 /* Signed Complex relocation expression */
460 #define STT_LOOS 10 /* OS-specific semantics */
461 #define STT_GNU_IFUNC 10 /* Symbol is an indirect code object */
462 #define STT_HIOS 12 /* OS-specific semantics */
463 #define STT_LOPROC 13 /* Processor-specific semantics */
464 #define STT_HIPROC 15 /* Processor-specific semantics */
466 /* The following constants control how a symbol may be accessed once it has
467 become part of an executable or shared library. */
469 #define STV_DEFAULT 0 /* Visibility is specified by binding type */
470 #define STV_INTERNAL 1 /* OS specific version of STV_HIDDEN */
471 #define STV_HIDDEN 2 /* Can only be seen inside currect component */
472 #define STV_PROTECTED 3 /* Treat as STB_LOCAL inside current component */
474 /* Dynamic section tags. */
476 #define DT_NULL 0 /* Terminating entry. */
477 #define DT_NEEDED 1 /* String table offset of a needed shared
479 #define DT_PLTRELSZ 2 /* Total size in bytes of PLT relocations. */
480 #define DT_PLTGOT 3 /* Processor-dependent address. */
481 #define DT_HASH 4 /* Address of symbol hash table. */
482 #define DT_STRTAB 5 /* Address of string table. */
483 #define DT_SYMTAB 6 /* Address of symbol table. */
484 #define DT_RELA 7 /* Address of ElfNN_Rela relocations. */
485 #define DT_RELASZ 8 /* Total size of ElfNN_Rela relocations. */
486 #define DT_RELAENT 9 /* Size of each ElfNN_Rela relocation entry. */
487 #define DT_STRSZ 10 /* Size of string table. */
488 #define DT_SYMENT 11 /* Size of each symbol table entry. */
489 #define DT_INIT 12 /* Address of initialization function. */
490 #define DT_FINI 13 /* Address of finalization function. */
491 #define DT_SONAME 14 /* String table offset of shared object
493 #define DT_RPATH 15 /* String table offset of library path. [sup] */
494 #define DT_SYMBOLIC 16 /* Indicates "symbolic" linking. [sup] */
495 #define DT_REL 17 /* Address of ElfNN_Rel relocations. */
496 #define DT_RELSZ 18 /* Total size of ElfNN_Rel relocations. */
497 #define DT_RELENT 19 /* Size of each ElfNN_Rel relocation. */
498 #define DT_PLTREL 20 /* Type of relocation used for PLT. */
499 #define DT_DEBUG 21 /* Reserved (not used). */
500 #define DT_TEXTREL 22 /* Indicates there may be relocations in
501 non-writable segments. [sup] */
502 #define DT_JMPREL 23 /* Address of PLT relocations. */
503 #define DT_BIND_NOW 24 /* [sup] */
504 #define DT_INIT_ARRAY 25 /* Address of the array of pointers to
505 initialization functions */
506 #define DT_FINI_ARRAY 26 /* Address of the array of pointers to
507 termination functions */
508 #define DT_INIT_ARRAYSZ 27 /* Size in bytes of the array of
509 initialization functions. */
510 #define DT_FINI_ARRAYSZ 28 /* Size in bytes of the array of
511 terminationfunctions. */
512 #define DT_RUNPATH 29 /* String table offset of a null-terminated
513 library search path string. */
514 #define DT_FLAGS 30 /* Object specific flag values. */
515 #define DT_ENCODING 32 /* Values greater than or equal to DT_ENCODING
516 and less than DT_LOOS follow the rules for
517 the interpretation of the d_un union
518 as follows: even == 'd_ptr', odd == 'd_val'
520 #define DT_PREINIT_ARRAY 32 /* Address of the array of pointers to
521 pre-initialization functions. */
522 #define DT_PREINIT_ARRAYSZ 33 /* Size in bytes of the array of
523 pre-initialization functions. */
525 #define DT_LOOS 0x6000000d /* First OS-specific */
526 #define DT_HIOS 0x6fff0000 /* Last OS-specific */
528 /* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to
529 DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI),
530 are used on Solaris. We support them everywhere. Note these values
531 lie outside of the (new) range for OS specific values. This is a
532 deliberate special case and we maintain it for backwards compatability.
534 #define DT_VALRNGLO 0x6ffffd00
535 #define DT_GNU_PRELINKED 0x6ffffdf5
536 #define DT_GNU_CONFLICTSZ 0x6ffffdf6
537 #define DT_GNU_LIBLISTSZ 0x6ffffdf7
538 #define DT_CHECKSUM 0x6ffffdf8 /* elf checksum */
539 #define DT_PLTPADSZ 0x6ffffdf9 /* pltpadding size */
540 #define DT_MOVEENT 0x6ffffdfa /* move table entry size */
541 #define DT_MOVESZ 0x6ffffdfb /* move table size */
542 #define DT_FEATURE 0x6ffffdfc /* feature holder */
543 #define DT_POSFLAG_1 0x6ffffdfd /* flags for DT_* entries, effecting */
544 /* the following DT_* entry. */
545 /* See DF_P1_* definitions */
546 #define DT_SYMINSZ 0x6ffffdfe /* syminfo table size (in bytes) */
547 #define DT_SYMINENT 0x6ffffdff /* syminfo entry size (in bytes) */
548 #define DT_VALRNGHI 0x6ffffdff
550 #define DT_ADDRRNGLO 0x6ffffe00
551 #define DT_GNU_HASH 0x6ffffef5 /* GNU-style hash table */
552 #define DT_TLSDESC_PLT 0x6ffffef6
553 #define DT_TLSDESC_GOT 0x6ffffef7
554 #define DT_GNU_CONFLICT 0x6ffffef8
555 #define DT_GNU_LIBLIST 0x6ffffef9
556 #define DT_CONFIG 0x6ffffefa /* configuration information */
557 #define DT_DEPAUDIT 0x6ffffefb /* dependency auditing */
558 #define DT_AUDIT 0x6ffffefc /* object auditing */
559 #define DT_PLTPAD 0x6ffffefd /* pltpadding (sparcv9) */
560 #define DT_MOVETAB 0x6ffffefe /* move table */
561 #define DT_SYMINFO 0x6ffffeff /* syminfo table */
562 #define DT_ADDRRNGHI 0x6ffffeff
564 #define DT_RELACOUNT 0x6ffffff9 /* number of RELATIVE relocations */
565 #define DT_RELCOUNT 0x6ffffffa /* number of RELATIVE relocations */
566 #define DT_FLAGS_1 0x6ffffffb /* state flags - see DF_1_* defs */
567 #define DT_VERDEF 0x6ffffffc /* Address of verdef section. */
568 #define DT_VERDEFNUM 0x6ffffffd /* Number of elems in verdef section */
569 #define DT_VERNEED 0x6ffffffe /* Address of verneed section. */
570 #define DT_VERNEEDNUM 0x6fffffff /* Number of elems in verneed section */
572 /* This tag is a GNU extension to the Solaris version scheme. */
573 #define DT_VERSYM 0x6ffffff0
575 #define DT_LOPROC 0x70000000 /* First processor-specific type. */
576 #define DT_HIPROC 0x7fffffff /* Last processor-specific type. */
578 /* These section tags are used on Solaris. We support them
579 everywhere, and hope they do not conflict. */
581 #define DT_AUXILIARY 0x7ffffffd /* shared library auxiliary name */
582 #define DT_USED 0x7ffffffe /* ignored - same as needed */
583 #define DT_FILTER 0x7fffffff /* shared library filter name */
586 /* Values used in DT_FEATURE .dynamic entry. */
587 #define DTF_1_PARINIT 0x00000001
590 http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
592 DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
593 defined here is the same as the one in <sys/link.h> on Solaris 8. */
594 #define DTF_1_CONFEXP 0x00000002
596 /* Flag values used in the DT_POSFLAG_1 .dynamic entry. */
597 #define DF_P1_LAZYLOAD 0x00000001
598 #define DF_P1_GROUPPERM 0x00000002
600 /* Flag value in in the DT_FLAGS_1 .dynamic entry. */
601 #define DF_1_NOW 0x00000001
602 #define DF_1_BIND_NOW 0x00000001 /* Same as DF_BIND_NOW */
603 #define DF_1_GLOBAL 0x00000002 /* Set the RTLD_GLOBAL for object */
604 #define DF_1_GROUP 0x00000004
605 #define DF_1_NODELETE 0x00000008 /* Set the RTLD_NODELETE for object */
606 #define DF_1_LOADFLTR 0x00000010 /* Immediate loading of filtees */
607 #define DF_1_INITFIRST 0x00000020
608 #define DF_1_NOOPEN 0x00000040 /* Do not allow loading on dlopen() */
609 #define DF_1_ORIGIN 0x00000080 /* Process $ORIGIN */
610 #define DF_1_DIRECT 0x00000100
611 #define DF_1_TRANS 0x00000200
612 #define DF_1_INTERPOSE 0x00000400
613 #define DF_1_NODEFLIB 0x00000800
614 #define DF_1_NODUMP 0x00001000
615 #define DF_1_CONLFAT 0x00002000
617 /* Flag values for the DT_FLAGS entry. */
618 #define DF_ORIGIN 0x1 /* Indicates that the object being loaded may
619 make reference to the $ORIGIN substitution
621 #define DF_SYMBOLIC 0x2 /* Indicates "symbolic" linking. */
622 #define DF_TEXTREL 0x4 /* Indicates there may be relocations in
623 non-writable segments. */
624 #define DF_BIND_NOW 0x8 /* Indicates that the dynamic linker should
625 process all relocations for the object
626 containing this entry before transferring
627 control to the program. */
628 #define DF_STATIC_TLS 0x10 /* Indicates that the shared object or
629 executable contains code using a static
630 thread-local storage scheme. */
632 /* These constants are used for the version number of a Elf32_Verdef
635 #define VER_DEF_NONE 0
636 #define VER_DEF_CURRENT 1
637 #define VER_DEF_IDX(x) VER_NDX(x)
639 /* These constants appear in the vd_flags field of a Elf32_Verdef
642 Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format,
643 Versioning Sections, for a description:
645 http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view */
647 #define VER_FLG_BASE 0x1
648 #define VER_FLG_WEAK 0x2
649 #define VER_FLG_INFO 0x4
651 /* These special constants can be found in an Elf32_Versym field. */
653 #define VER_NDX_LOCAL 0
654 #define VER_NDX_GLOBAL 1
655 #define VER_NDX_GIVEN 2
656 #define VER_NDX_HIDDEN (1u << 15)
657 #define VER_NDX(x) ((x) & ~(1u << 15))
658 /* These constants are used for the version number of a Elf32_Verneed
661 #define VER_NEED_NONE 0
662 #define VER_NEED_CURRENT 1
663 #define VER_NEED_WEAK (1u << 15)
664 #define VER_NEED_HIDDEN VER_NDX_HIDDEN
665 #define VER_NEED_IDX(x) VER_NDX(x)
667 /* This flag appears in a Versym structure. It means that the symbol
668 is hidden, and is only visible with an explicit version number.
669 This is a GNU extension. */
671 #define VERSYM_HIDDEN 0x8000
673 /* This is the mask for the rest of the Versym information. */
675 #define VERSYM_VERSION 0x7fff
677 /* This is a special token which appears as part of a symbol name. It
678 indictes that the rest of the name is actually the name of a
679 version node, and is not part of the actual name. This is a GNU
680 extension. For example, the symbol name `stat@ver2' is taken to
681 mean the symbol `stat' in version `ver2'. */
683 #define ELF_VER_CHR '@'
685 /* Possible values for si_boundto. */
687 #define SYMINFO_BT_SELF 0xffff /* Symbol bound to self */
688 #define SYMINFO_BT_PARENT 0xfffe /* Symbol bound to parent */
689 #define SYMINFO_BT_LOWRESERVE 0xff00 /* Beginning of reserved entries */
691 /* Possible bitmasks for si_flags. */
693 #define SYMINFO_FLG_DIRECT 0x0001 /* Direct bound symbol */
694 #define SYMINFO_FLG_PASSTHRU 0x0002 /* Pass-thru symbol for translator */
695 #define SYMINFO_FLG_COPY 0x0004 /* Symbol is a copy-reloc */
696 #define SYMINFO_FLG_LAZYLOAD 0x0008 /* Symbol bound to object to be lazy loaded */
698 /* Syminfo version values. */
700 #define SYMINFO_NONE 0
701 #define SYMINFO_CURRENT 1
702 #define SYMINFO_NUM 2
704 /* Section Group Flags. */
706 #define GRP_COMDAT 0x1 /* A COMDAT group */
708 #endif /* !_SYS_ELF_COMMON_H_ */
projects / dragonfly.git / blob