| /**************************************************************************** |
| * include/elf.h |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. The |
| * ASF licenses this file to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __INCLUDE_ELF_H |
| #define __INCLUDE_ELF_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <stdint.h> |
| |
| #define EI_NIDENT 16 /* Size of e_ident[] */ |
| |
| /* NOTE: elf64.h and elf32.h refer EI_NIDENT defined above */ |
| |
| #ifdef CONFIG_LIBC_ARCH_ELF_64BIT |
| # include <elf64.h> |
| #else |
| # include <elf32.h> |
| #endif |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /* Values for Elf_Ehdr::e_type */ |
| |
| #define ET_NONE 0 /* No file type */ |
| #define ET_REL 1 /* Relocatable file */ |
| #define ET_EXEC 2 /* Executable file */ |
| #define ET_DYN 3 /* Shared object file */ |
| #define ET_CORE 4 /* Core file */ |
| #define ET_LOPROC 0xff00 /* Processor-specific */ |
| #define ET_HIPROC 0xffff /* Processor-specific */ |
| |
| /* Values for Elf_Ehdr::e_machine (most of this were not included in the |
| * original SCO document but have been gleaned from elsewhere). |
| */ |
| |
| #define EM_NONE 0 /* No machine */ |
| #define EM_M32 1 /* AT&T WE 32100 */ |
| #define EM_SPARC 2 /* SPARC */ |
| #define EM_386 3 /* Intel 80386 */ |
| #define EM_68K 4 /* Motorola 68000 */ |
| #define EM_88K 5 /* Motorola 88000 */ |
| #define EM_486 6 /* Intel 486+ */ |
| #define EM_860 7 /* Intel 80860 */ |
| #define EM_MIPS 8 /* MIPS R3000 Big-Endian */ |
| #define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */ |
| #define EM_PARISC 15 /* HPPA */ |
| #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ |
| #define EM_PPC 20 /* PowerPC */ |
| #define EM_PPC64 21 /* PowerPC64 */ |
| #define EM_ARM 40 /* ARM */ |
| #define EM_SH 42 /* SuperH */ |
| #define EM_SPARCV9 43 /* SPARC v9 64-bit */ |
| #define EM_H8_300 46 |
| #define EM_IA_64 50 /* HP/Intel IA-64 */ |
| #define EM_X86_64 62 /* AMD x86-64 */ |
| #define EM_S390 22 /* IBM S/390 */ |
| #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ |
| #define EM_V850 87 /* NEC v850 */ |
| #define EM_M32R 88 /* Renesas M32R */ |
| #define EM_XTENSA 94 /* Tensilica Xtensa */ |
| #define EM_RISCV 243 /* RISC-V */ |
| #define EM_ALPHA 0x9026 |
| #define EM_CYGNUS_V850 0x9080 |
| #define EM_CYGNUS_M32R 0x9041 |
| #define EM_S390_OLD 0xa390 |
| #define EM_FRV 0x5441 |
| |
| /* Values for Elf_Ehdr::e_version */ |
| |
| #define EV_NONE 0 /* Invalid version */ |
| #define EV_CURRENT 1 /* The current version */ |
| |
| /* Table 2. Ehe ELF identifier */ |
| |
| #define EI_MAG0 0 /* File identification */ |
| #define EI_MAG1 1 |
| #define EI_MAG2 2 |
| #define EI_MAG3 3 |
| #define EI_CLASS 4 /* File class */ |
| #define EI_DATA 5 /* Data encoding */ |
| #define EI_VERSION 6 /* File version */ |
| #define EI_PAD 7 /* Start of padding bytes */ |
| |
| /* EI_NIDENT is defined in "Included Files" section */ |
| |
| #define EI_MAGIC_SIZE 4 |
| #define EI_MAGIC {0x7f, 'E', 'L', 'F'} |
| |
| /* Table 3. Values for EI_CLASS */ |
| |
| #define ELFCLASSNONE 0 /* Invalid class */ |
| #define ELFCLASS32 1 /* 32-bit objects */ |
| #define ELFCLASS64 2 /* 64-bit objects */ |
| |
| /* Table 4. Values for EI_DATA */ |
| |
| #define ELFDATANONE 0 /* Invalid data encoding */ |
| #define ELFDATA2LSB 1 /* Least significant byte occupying the lowest address */ |
| #define ELFDATA2MSB 2 /* Most significant byte occupying the lowest address */ |
| |
| /* Table 7: Special Section Indexes */ |
| |
| #define SHN_UNDEF 0 |
| #define SHN_LOPROC 0xff00 |
| #define SHN_HIPROC 0xff1f |
| #define SHN_ABS 0xfff1 |
| #define SHN_COMMON 0xfff2 |
| |
| /* Figure 4-9: Section Types, sh_type */ |
| |
| #define SHT_NULL 0 |
| #define SHT_PROGBITS 1 |
| #define SHT_SYMTAB 2 |
| #define SHT_STRTAB 3 |
| #define SHT_RELA 4 |
| #define SHT_HASH 5 |
| #define SHT_DYNAMIC 6 |
| #define SHT_NOTE 7 |
| #define SHT_NOBITS 8 |
| #define SHT_REL 9 |
| #define SHT_SHLIB 10 |
| #define SHT_DYNSYM 11 |
| #define SHT_LOPROC 0x70000000 |
| #define SHT_HIPROC 0x7fffffff |
| #define SHT_LOUSER 0x80000000 |
| #define SHT_HIUSER 0xffffffff |
| |
| /* Figure 4-11: Section Attribute Flags, sh_flags */ |
| |
| #define SHF_WRITE 1 |
| #define SHF_ALLOC 2 |
| #define SHF_EXECINSTR 4 |
| #define SHF_MASKPROC 0xf0000000 |
| |
| /* Figure 4-16: Symbol Binding, ELF_ST_BIND */ |
| |
| #define STB_LOCAL 0 |
| #define STB_GLOBAL 1 |
| #define STB_WEAK 2 |
| #define STB_LOPROC 13 |
| #define STB_HIPROC 15 |
| |
| /* Figure 4-17: Symbol Types, ELF_ST_TYPE */ |
| |
| #define STT_NOTYPE 0 |
| #define STT_OBJECT 1 |
| #define STT_FUNC 2 |
| #define STT_SECTION 3 |
| #define STT_FILE 4 |
| #define STT_LOPROC 13 |
| #define STT_HIPROC 15 |
| |
| /* Figure 5-2: Segment Types, p_type */ |
| |
| #define PT_NULL 0 |
| #define PT_LOAD 1 |
| #define PT_DYNAMIC 2 |
| #define PT_INTERP 3 |
| #define PT_NOTE 4 |
| #define PT_SHLIB 5 |
| #define PT_PHDR 6 |
| #define PT_LOPROC 0x70000000 |
| #define PT_HIPROC 0x7fffffff |
| |
| /* Figure 5-3: Segment Flag Bits, p_flags */ |
| |
| #define PF_X 1 /* Execute */ |
| #define PF_W 2 /* Write */ |
| #define PF_R 4 /* Read */ |
| #define PF_MASKPROC 0xf0000000 /* Unspecified */ |
| |
| /* Figure 5-10: Dynamic Array Tags, d_tag */ |
| |
| #define DT_NULL 0 /* d_un=ignored */ |
| #define DT_NEEDED 1 /* d_un=d_val */ |
| #define DT_PLTRELSZ 2 /* d_un=d_val */ |
| #define DT_PLTGOT 3 /* d_un=d_ptr */ |
| #define DT_HASH 4 /* d_un=d_ptr */ |
| #define DT_STRTAB 5 /* d_un=d_ptr */ |
| #define DT_SYMTAB 6 /* d_un=d_ptr */ |
| #define DT_RELA 7 /* d_un=d_ptr */ |
| #define DT_RELASZ 8 /* d_un=d_val */ |
| #define DT_RELAENT 9 /* d_un=d_val */ |
| #define DT_STRSZ 10 /* d_un=d_val */ |
| #define DT_SYMENT 11 /* d_un=d_val */ |
| #define DT_INIT 12 /* d_un=d_ptr */ |
| #define DT_FINI 13 /* d_un=d_ptr */ |
| #define DT_SONAME 14 /* d_un=d_val */ |
| #define DT_RPATH 15 /* d_un=d_val */ |
| #define DT_SYMBOLIC 16 /* d_un=ignored */ |
| #define DT_REL 17 /* d_un=d_ptr */ |
| #define DT_RELSZ 18 /* d_un=d_val */ |
| #define DT_RELENT 19 /* d_un=d_val */ |
| #define DT_PLTREL 20 /* d_un=d_val */ |
| #define DT_DEBUG 21 /* d_un=d_ptr */ |
| #define DT_TEXTREL 22 /* d_un=ignored */ |
| #define DT_JMPREL 23 /* d_un=d_ptr */ |
| #define DT_BINDNOW 24 /* d_un=ignored */ |
| #define DT_LOPROC 0x70000000 /* d_un=unspecified */ |
| #define DT_HIPROC 0x7fffffff /* d_un= unspecified */ |
| |
| #endif /* __INCLUDE_ELF_H */ |
