376 lines
16 KiB
C
376 lines
16 KiB
C
/****************************************************************************
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* include/elf.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_ELF_H
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#define __INCLUDE_ELF_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#define EI_NIDENT 16 /* Size of e_ident[] */
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/* NOTE: elf64.h and elf32.h refer EI_NIDENT defined above */
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#ifdef CONFIG_LIBC_ARCH_ELF_64BIT
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# include <elf64.h>
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#else
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# include <elf32.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Values for Elf_Ehdr::e_type */
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#define ET_NONE 0 /* No file type */
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#define ET_REL 1 /* Relocatable file */
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#define ET_EXEC 2 /* Executable file */
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#define ET_DYN 3 /* Shared object file */
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#define ET_CORE 4 /* Core file */
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#define ET_LOPROC 0xff00 /* Processor-specific */
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#define ET_HIPROC 0xffff /* Processor-specific */
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/* Values for Elf_Ehdr::e_machine (most of this were not included in the
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* original SCO document but have been gleaned from elsewhere).
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*/
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#define EM_NONE 0 /* No machine */
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#define EM_M32 1 /* AT&T WE 32100 */
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#define EM_SPARC 2 /* SPARC */
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#define EM_386 3 /* Intel 80386 */
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#define EM_68K 4 /* Motorola 68000 */
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#define EM_88K 5 /* Motorola 88000 */
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#define EM_486 6 /* Intel 486+ */
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#define EM_860 7 /* Intel 80860 */
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#define EM_MIPS 8 /* MIPS R3000 Big-Endian */
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#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
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#define EM_PARISC 15 /* HPPA */
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#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
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#define EM_PPC 20 /* PowerPC */
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#define EM_PPC64 21 /* PowerPC64 */
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#define EM_ARM 40 /* ARM */
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#define EM_SH 42 /* SuperH */
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#define EM_SPARCV9 43 /* SPARC v9 64-bit */
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#define EM_H8_300 46
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#define EM_IA_64 50 /* HP/Intel IA-64 */
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#define EM_X86_64 62 /* AMD x86-64 */
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#define EM_S390 22 /* IBM S/390 */
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#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */
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#define EM_V850 87 /* NEC v850 */
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#define EM_M32R 88 /* Renesas M32R */
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#define EM_XTENSA 94 /* Tensilica Xtensa */
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#define EM_AARCH64 183 /* ARM-64 Architecture */
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#define EM_RISCV 243 /* RISC-V */
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#define EM_ALPHA 0x9026
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#define EM_CYGNUS_V850 0x9080
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#define EM_CYGNUS_M32R 0x9041
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#define EM_S390_OLD 0xa390
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#define EM_FRV 0x5441
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/* Values for Elf_Ehdr::e_version */
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#define EV_NONE 0 /* Invalid version */
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#define EV_CURRENT 1 /* The current version */
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/* Table 2. Ehe ELF identifier */
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#define EI_MAG0 0 /* File identification */
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#define EI_MAG1 1
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#define EI_MAG2 2
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#define EI_MAG3 3
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#define EI_CLASS 4 /* File class */
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#define EI_DATA 5 /* Data encoding */
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#define EI_VERSION 6 /* File version */
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#define EI_OSABI 7 /* OS ABI */
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#define EI_PAD 8 /* Start of padding bytes */
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/* EI_NIDENT is defined in "Included Files" section */
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#define EI_MAGIC_SIZE 4
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#define EI_MAGIC {0x7f, 'E', 'L', 'F'}
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#define ELFMAG0 0x7f /* EI_MAG */
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#define ELFMAG1 'E'
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#define ELFMAG2 'L'
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#define ELFMAG3 'F'
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#define ELFMAG "\177ELF"
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/* Table 3. Values for EI_CLASS */
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#define ELFCLASSNONE 0 /* Invalid class */
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#define ELFCLASS32 1 /* 32-bit objects */
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#define ELFCLASS64 2 /* 64-bit objects */
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/* Table 4. Values for EI_DATA */
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#define ELFDATANONE 0 /* Invalid data encoding */
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#define ELFDATA2LSB 1 /* Least significant byte occupying the lowest address */
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#define ELFDATA2MSB 2 /* Most significant byte occupying the lowest address */
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/* Table 6. Values for EI_OSABI */
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#define ELFOSABI_NONE 0 /* UNIX System V ABI */
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#define ELFOSABI_SYSV 0 /* Alias. */
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#define ELFOSABI_HPUX 1 /* HP-UX */
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#define ELFOSABI_NETBSD 2 /* NetBSD. */
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#define ELFOSABI_GNU 3 /* Object uses GNU ELF extensions. */
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#define ELFOSABI_LINUX ELFOSABI_GNU
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/* Compatibility alias. */
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#define ELFOSABI_SOLARIS 6 /* Sun Solaris. */
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#define ELFOSABI_AIX 7 /* IBM AIX. */
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#define ELFOSABI_IRIX 8 /* SGI Irix. */
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#define ELFOSABI_FREEBSD 9 /* FreeBSD. */
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#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX. */
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#define ELFOSABI_MODESTO 11 /* Novell Modesto. */
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#define ELFOSABI_OPENBSD 12 /* OpenBSD. */
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#define ELFOSABI_ARM_AEABI 64 /* ARM EABI */
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#define ELFOSABI_ARM 97 /* ARM */
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#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
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#ifndef ELF_OSABI
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#define ELF_OSABI ELFOSABI_NONE
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#endif
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/* Table 7: Special Section Indexes */
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#define SHN_UNDEF 0
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#define SHN_LOPROC 0xff00
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#define SHN_HIPROC 0xff1f
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#define SHN_ABS 0xfff1
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#define SHN_COMMON 0xfff2
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/* Figure 4-9: Section Types, sh_type */
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#define SHT_NULL 0
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#define SHT_PROGBITS 1
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#define SHT_SYMTAB 2
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#define SHT_STRTAB 3
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#define SHT_RELA 4
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#define SHT_HASH 5
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#define SHT_DYNAMIC 6
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#define SHT_NOTE 7
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#define SHT_NOBITS 8
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#define SHT_REL 9
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#define SHT_SHLIB 10
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#define SHT_DYNSYM 11
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#define SHT_INIT_ARRAY 14
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#define SHT_FINI_ARRAY 15
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#define SHT_PREINIT_ARRAY 16
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#define SHT_LOPROC 0x70000000
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#define SHT_HIPROC 0x7fffffff
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#define SHT_LOUSER 0x80000000
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#define SHT_HIUSER 0xffffffff
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/* Figure 4-11: Section Attribute Flags, sh_flags */
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#define SHF_WRITE 1
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#define SHF_ALLOC 2
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#define SHF_EXECINSTR 4
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#define SHF_MASKPROC 0xf0000000
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/* Figure 4-16: Symbol Binding, ELF_ST_BIND */
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#define STB_LOCAL 0
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#define STB_GLOBAL 1
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#define STB_WEAK 2
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#define STB_LOPROC 13
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#define STB_HIPROC 15
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/* Figure 4-17: Symbol Types, ELF_ST_TYPE */
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#define STT_NOTYPE 0
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#define STT_OBJECT 1
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#define STT_FUNC 2
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#define STT_SECTION 3
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#define STT_FILE 4
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#define STT_LOPROC 13
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#define STT_HIPROC 15
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/* Figure 5-2: Segment Types, p_type */
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#define PT_NULL 0
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#define PT_LOAD 1
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#define PT_DYNAMIC 2
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#define PT_INTERP 3
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#define PT_NOTE 4
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#define PT_SHLIB 5
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#define PT_PHDR 6
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/* GCC specific */
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#define PT_GNU_EH_FRAME 0x6474e550 /* GCC exception handler frame */
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#define PT_GNU_STACK 0x6474e551 /* Stack executability */
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#define PT_GNU_RELRO 0x6474e552 /* Read-only after relocation */
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#define PT_LOPROC 0x70000000
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#define PT_HIPROC 0x7fffffff
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/* Figure 5-3: Segment Flag Bits, p_flags */
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#define PF_X 1 /* Execute */
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#define PF_W 2 /* Write */
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#define PF_R 4 /* Read */
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#define PF_MASKPROC 0xf0000000 /* Unspecified */
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/* Figure 5-10: Dynamic Array Tags, d_tag */
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#define DT_NULL 0 /* d_un=ignored */
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#define DT_NEEDED 1 /* d_un=d_val */
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#define DT_PLTRELSZ 2 /* d_un=d_val */
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#define DT_PLTGOT 3 /* d_un=d_ptr */
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#define DT_HASH 4 /* d_un=d_ptr */
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#define DT_STRTAB 5 /* d_un=d_ptr */
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#define DT_SYMTAB 6 /* d_un=d_ptr */
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#define DT_RELA 7 /* d_un=d_ptr */
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#define DT_RELASZ 8 /* d_un=d_val */
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#define DT_RELAENT 9 /* d_un=d_val */
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#define DT_STRSZ 10 /* d_un=d_val */
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#define DT_SYMENT 11 /* d_un=d_val */
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#define DT_INIT 12 /* d_un=d_ptr */
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#define DT_FINI 13 /* d_un=d_ptr */
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#define DT_SONAME 14 /* d_un=d_val */
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#define DT_RPATH 15 /* d_un=d_val */
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#define DT_SYMBOLIC 16 /* d_un=ignored */
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#define DT_REL 17 /* d_un=d_ptr */
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#define DT_RELSZ 18 /* d_un=d_val */
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#define DT_RELENT 19 /* d_un=d_val */
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#define DT_PLTREL 20 /* d_un=d_val */
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#define DT_DEBUG 21 /* d_un=d_ptr */
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#define DT_TEXTREL 22 /* d_un=ignored */
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#define DT_JMPREL 23 /* d_un=d_ptr */
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#define DT_BINDNOW 24 /* d_un=ignored */
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#define DT_LOPROC 0x70000000 /* d_un=unspecified */
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#define DT_HIPROC 0x7fffffff /* d_un= unspecified */
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/* Legal values for note segment descriptor types for core files. */
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#define NT_PRSTATUS 1 /* Contains copy of prstatus struct */
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#define NT_PRFPREG 2 /* Contains copy of fpregset struct. */
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#define NT_FPREGSET 2 /* Contains copy of fpregset struct */
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#define NT_PRPSINFO 3 /* Contains copy of prpsinfo struct */
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#define NT_PRXREG 4 /* Contains copy of prxregset struct */
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#define NT_TASKSTRUCT 4 /* Contains copy of task structure */
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#define NT_PLATFORM 5 /* String from sysinfo(SI_PLATFORM) */
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#define NT_AUXV 6 /* Contains copy of auxv array */
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#define NT_GWINDOWS 7 /* Contains copy of gwindows struct */
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#define NT_ASRS 8 /* Contains copy of asrset struct */
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#define NT_PSTATUS 10 /* Contains copy of pstatus struct */
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#define NT_PSINFO 13 /* Contains copy of psinfo struct */
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#define NT_PRCRED 14 /* Contains copy of prcred struct */
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#define NT_UTSNAME 15 /* Contains copy of utsname struct */
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#define NT_LWPSTATUS 16 /* Contains copy of lwpstatus struct */
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#define NT_LWPSINFO 17 /* Contains copy of lwpinfo struct */
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#define NT_PRFPXREG 20 /* Contains copy of fprxregset struct */
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#define NT_SIGINFO 0x53494749
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/* Contains copy of siginfo_t,
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* size might increase
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*/
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#define NT_FILE 0x46494c45
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/* Contains information about mapped
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* files
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*/
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#define NT_PRXFPREG 0x46e62b7f
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/* Contains copy of user_fxsr_struct */
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#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */
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#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */
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#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
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#define NT_PPC_TAR 0x103 /* Target Address Register */
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#define NT_PPC_PPR 0x104 /* Program Priority Register */
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#define NT_PPC_DSCR 0x105 /* Data Stream Control Register */
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#define NT_PPC_EBB 0x106 /* Event Based Branch Registers */
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#define NT_PPC_PMU 0x107 /* Performance Monitor Registers */
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#define NT_PPC_TM_CGPR 0x108 /* TM checkpointed GPR Registers */
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#define NT_PPC_TM_CFPR 0x109 /* TM checkpointed FPR Registers */
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#define NT_PPC_TM_CVMX 0x10a /* TM checkpointed VMX Registers */
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#define NT_PPC_TM_CVSX 0x10b /* TM checkpointed VSX Registers */
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#define NT_PPC_TM_SPR 0x10c /* TM Special Purpose Registers */
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#define NT_PPC_TM_CTAR 0x10d /* TM checkpointed Target Address
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* Register
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*/
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#define NT_PPC_TM_CPPR 0x10e /* TM checkpointed Program Priority
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* Register
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*/
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#define NT_PPC_TM_CDSCR 0x10f /* TM checkpointed Data Stream Control
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* Register
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*/
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#define NT_PPC_PKEY 0x110 /* Memory Protection Keys
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* registers.
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*/
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#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
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#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
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#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */
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#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */
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#define NT_S390_TIMER 0x301 /* s390 timer register */
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#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */
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#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */
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#define NT_S390_CTRS 0x304 /* s390 control registers */
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#define NT_S390_PREFIX 0x305 /* s390 prefix register */
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#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */
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#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */
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#define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */
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#define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15
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* upper half.
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*/
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#define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31. */
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#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers. */
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#define NT_S390_GS_BC 0x30c /* s390 guarded storage
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* broadcast control block.
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*/
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#define NT_S390_RI_CB 0x30d /* s390 runtime instrumentation. */
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#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */
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#define NT_ARM_TLS 0x401 /* ARM TLS register */
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#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */
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#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */
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#define NT_ARM_SYSTEM_CALL 0x404 /* ARM system call number */
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#define NT_ARM_SVE 0x405 /* ARM Scalable Vector Extension
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* registers
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*/
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#define NT_ARM_PAC_MASK 0x406 /* ARM pointer authentication
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* code masks.
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*/
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#define NT_ARM_PACA_KEYS 0x407 /* ARM pointer authentication
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* address keys.
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*/
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#define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication
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* generic key.
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*/
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#define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note. */
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#define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers. */
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#define NT_MIPS_FP_MODE 0x801 /* MIPS floating-point mode. */
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#define NT_MIPS_MSA 0x802 /* MIPS SIMD registers. */
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/* Legal values for the note segment descriptor types for object files. */
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#define NT_VERSION 1 /* Contains a version string. */
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#ifdef CONFIG_ENDIAN_BIG
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# define ELF_DATA ELFDATA2MSB
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#else
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# define ELF_DATA ELFDATA2LSB
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#endif
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#endif /* __INCLUDE_ELF_H */
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