#ifdef OFFTARGET /* * Defined as either local elf.h, /pkg/ssg/toolchain's elf.h, or Android NDK toolchain's elf.h, * depending on build options. * * Unfortunately mink/elflib/inc comes first in the include path list so this file will always be * included first. */ #include ELF_HEADER #else #ifndef __ELF_H #define __ELF_H #include #define ELFINFO_MAGIC_SIZE (16) /* * These types are defined in the following documentation: * * http://infocenter.arm.com/help/topic/com.arm.doc.espc0003/ARMELF.pdf * https://uclibc.org/docs/elf-64-gen.pdf * * We specifically use these types to make it easier to * compare the documentation against the source. */ typedef uint16_t Elf32_Half; typedef uint16_t Elf64_Half; typedef uint32_t Elf32_Word; typedef int32_t Elf32_Sword; typedef uint32_t Elf64_Word; typedef int32_t Elf64_Sword; typedef uint64_t Elf32_Xword; typedef int64_t Elf32_Sxword; typedef uint64_t Elf64_Xword; typedef int64_t Elf64_Sxword; typedef uint32_t Elf32_Addr; typedef uint64_t Elf64_Addr; typedef uint32_t Elf32_Off; typedef uint64_t Elf64_Off; typedef struct { uint8_t e_ident[ELFINFO_MAGIC_SIZE]; /** Magic number and other info */ Elf32_Half e_type; /** Object file type */ Elf32_Half e_machine; /** Architecture */ Elf32_Word e_version; /** Object file version */ Elf32_Addr e_entry; /** Entry point virtual address */ Elf32_Off e_phoff; /** Program header table file offset */ Elf32_Off e_shoff; /** Section header table file offset */ Elf32_Word e_flags; /** Processor-specific flags */ Elf32_Half e_ehsize; /** ELF header size in bytes */ Elf32_Half e_phentsize; /** Program header table entry size */ Elf32_Half e_phnum; /** Program header table entry count */ Elf32_Half e_shentsize; /** Section header table entry size */ Elf32_Half e_shnum; /** Section header table entry count */ Elf32_Half e_shstrndx; /** Section header string table index */ } Elf32_Ehdr; typedef struct { uint8_t e_ident[ELFINFO_MAGIC_SIZE]; /** Magic number and other info */ Elf64_Half e_type; /** Object file type */ Elf64_Half e_machine; /** Architecture */ Elf64_Word e_version; /** Object file version */ Elf64_Addr e_entry; /** Entry point virtual address */ Elf64_Off e_phoff; /** Program header table file offset */ Elf64_Off e_shoff; /** Section header table file offset */ Elf64_Word e_flags; /** Processor-specific flags */ Elf64_Half e_ehsize; /** ELF header size in bytes */ Elf64_Half e_phentsize; /** Program header table entry size */ Elf64_Half e_phnum; /** Program header table entry count */ Elf64_Half e_shentsize; /** Section header table entry size */ Elf64_Half e_shnum; /** Section header table entry count */ Elf64_Half e_shstrndx; /** Section header string table index */ } Elf64_Ehdr; /* Fields in the e_ident array. The ELFINFO_*_INDEX macros are * indices into the array. The macros under each ELFINFO_* macro * is the values the byte may have. */ #define ELFINFO_MAG0_INDEX 0 /* File identification byte 0 index */ #define ELFINFO_MAG0 0x7f /* Magic number byte 0 */ #define ELFINFO_MAG1_INDEX 1 /* File identification byte 1 index */ #define ELFINFO_MAG1 'E' /* Magic number byte 1 */ #define ELFINFO_MAG2_INDEX 2 /* File identification byte 2 index */ #define ELFINFO_MAG2 'L' /* Magic number byte 2 */ #define ELFINFO_MAG3_INDEX 3 /* File identification byte 3 index */ #define ELFINFO_MAG3 'F' /* Magic number byte 3 */ #define ELFINFO_CLASS_INDEX 4 /* File class byte index */ /* ELF Object Type */ #define ELF_CLASS_32 1 /* 32-bit objects */ #define ELF_CLASS_64 2 /* 64-bit objects */ /* Version information */ #define ELFINFO_VERSION_INDEX 6 /* File version byte index */ #define ELF_VERSION_CURRENT 1 /* Current version */ #define EM_ARM 40 /* Ehdr.e_machine */ #define EM_DSP6 164 /* Qualcomm DSP6 */ #define EM_AARCH64 183 /* ARM AArch64 */ #define ET_NONE 0 #define ET_REL 1 #define ET_EXEC 2 #define ET_DYN 3 typedef struct { Elf32_Word p_type; /** Segment type */ Elf32_Off p_offset; /** Segment file offset */ Elf32_Addr p_vaddr; /** Segment virtual address */ Elf32_Addr p_paddr; /** Segment physical address */ Elf32_Word p_filesz; /** Segment size in file */ Elf32_Word p_memsz; /** Segment size in memory */ Elf32_Word p_flags; /** Segment flags */ Elf32_Word p_align; /** Segment alignment */ } Elf32_Phdr; typedef struct { Elf64_Word p_type; /** Segment type */ Elf64_Word p_flags; /** Segment attributes */ Elf64_Off p_offset; /** Segment file offset */ Elf64_Addr p_vaddr; /** Segment virtual address */ Elf64_Addr p_paddr; /** Segment physical address */ Elf64_Xword p_filesz; /** Segment size in file */ Elf64_Xword p_memsz; /** Segment size in memory */ Elf64_Xword p_align; /** Segment alignment */ } Elf64_Phdr; typedef struct { Elf32_Addr r_offset; /** Address of reference */ Elf32_Word r_info; /** Relocation type and symbol index */ } Elf32_Rel; typedef struct { Elf64_Addr r_offset; /** Address of reference */ Elf64_Xword r_info; /** Relocation type and symbol index */ } Elf64_Rel; typedef struct { Elf32_Addr r_offset; /** Address of reference */ Elf32_Word r_info; /** Relocation type and symbol index */ Elf32_Sword r_addend; /** Addend */ } Elf32_Rela; typedef struct { Elf64_Addr r_offset; /** Address of reference */ Elf64_Xword r_info; /** Relocation type and symbol index */ Elf64_Sxword r_addend; /** Addend */ } Elf64_Rela; typedef struct { Elf32_Word st_name; /* Symbol name (string tbl index) */ Elf32_Addr st_value; /* Symbol value */ Elf32_Word st_size; /* Symbol size */ uint8_t st_info; /* Symbol type and binding */ uint8_t st_other; /* Symbol visibility */ Elf32_Half st_shndx; /* Section index */ } Elf32_Sym; typedef struct { Elf64_Word st_name; /* Symbol name (string tbl index) */ uint8_t st_info; /* Symbol type and binding */ uint8_t st_other; /* Symbol visibility */ Elf64_Half st_shndx; /* Section index */ Elf64_Addr st_value; /* Symbol value */ Elf64_Xword st_size; /* Symbol size */ } Elf64_Sym; typedef struct { Elf32_Sword d_tag; /* Dynamic entry type */ union { Elf32_Word d_val; /* Integer value */ Elf32_Addr d_ptr; /* Address value */ } d_un; } Elf32_Dyn; typedef struct { Elf64_Sxword d_tag; /* Dynamic entry type */ union { Elf64_Xword d_val; /* Integer value */ Elf64_Addr d_ptr; /* Address value */ } d_un; } Elf64_Dyn; #define DT_NULL 0 #define DT_NEEDED 1 #define DT_PLTRELSZ 2 #define DT_PLTGOT 3 #define DT_HASH 4 #define DT_STRTAB 5 #define DT_SYMTAB 6 #define DT_RELA 7 #define DT_RELASZ 8 #define DT_RELAENT 9 #define DT_STRSZ 10 #define DT_SYMENT 11 #define DT_INIT 12 #define DT_FINI 13 #define DT_SONAME 14 #define DT_RPATH 15 #define DT_SYMBOLIC 16 #define DT_REL 17 #define DT_RELSZ 18 #define DT_RELENT 19 #define DT_PLTREL 20 #define DT_DEBUG 21 #define DT_TEXTREL 22 #define DT_JMPREL 23 #define DT_BIND_NOW 24 #define DT_INIT_ARRAY 25 #define DT_FINI_ARRAY 26 #define DT_INIT_ARRAYSZ 27 #define DT_FINI_ARRAYSZ 28 #define DT_RUNPATH 29 #define DT_FLAGS 30 #define DT_ENCODING 32 #define DT_PREINIT_ARRAY 32 #define DT_PREINIT_ARRAYSZ 33 #define DT_NUM 34 #define R_ARM_NONE 0 #define R_ARM_PC24 1 #define R_ARM_ABS32 2 #define R_ARM_REL32 3 #define R_ARM_PC13 4 #define R_ARM_ABS16 5 #define R_ARM_ABS12 6 #define R_ARM_THM_ABS5 7 #define R_ARM_ABS8 8 #define R_ARM_SBREL32 9 #define R_ARM_THM_PC22 10 #define R_ARM_THM_PC8 11 #define R_ARM_AMP_VCALL9 12 #define R_ARM_TLS_DESC 13 #define R_ARM_THM_SWI8 14 #define R_ARM_XPC25 15 #define R_ARM_THM_XPC22 16 #define R_ARM_TLS_DTPMOD32 17 #define R_ARM_TLS_DTPOFF32 18 #define R_ARM_TLS_TPOFF32 19 #define R_ARM_COPY 20 #define R_ARM_GLOB_DAT 21 #define R_ARM_JUMP_SLOT 22 #define R_ARM_RELATIVE 23 #define R_AARCH64_NONE 0 /* No relocation. */ #define R_AARCH64_ABS64 257 /* Direct 64 bit. */ #define R_AARCH64_ABS32 258 /* Direct 32 bit. */ #define R_AARCH64_ABS16 259 /* Direct 16-bit. */ #define R_AARCH64_PREL64 260 /* PC-relative 64-bit. */ #define R_AARCH64_PREL32 261 /* PC-relative 32-bit. */ #define R_AARCH64_PREL16 262 /* PC-relative 16-bit. */ #define R_AARCH64_COPY 1024 /* Copy symbol at runtime. */ #define R_AARCH64_GLOB_DAT 1025 /* Create GOT entry. */ #define R_AARCH64_JUMP_SLOT 1026 /* Create PLT entry. */ #define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */ #define R_AARCH64_TLS_DTPMOD64 1028 /* Module number, 64 bit. */ #define R_AARCH64_TLS_DTPREL64 1029 /* Module-relative offset, 64 bit. */ #define R_AARCH64_TLS_TPREL64 1030 /* TP-relative offset, 64 bit. */ #define R_AARCH64_TLSDESC 1031 /* TLS Descriptor. */ #define R_AARCH64_IRELATIVE 1032 /* Indirect(Delta(S)+ A) */ #define PT_NULL 0 /** NULL Segment */ #define PT_LOAD 1 /** Load Segment */ #define PT_DYNAMIC 2 /** Dynamic Segment */ #define PT_FLAG_HASH_TYPE_MASK 0x2000000 #define PT_FLAG_MANIFEST_TYPE_MASK 0x4000000 #define PT_FLAG_TYPE_MASK 0x7000000 /* Fields in the e_ident array. The ELFINFO_*_INDEX macros are * indices into the array. */ #define ELFINFO_CLASS_INDEX 4 /* File class byte index */ /* Special section indices */ #define SHN_UNDEF 0 #define SHN_ABS 0xfff1 /* End of a chain in the hash table */ #define STN_UNDEF 0 /* Special symbol table index. */ #define ELF_ST_BIND(i) ((i)>>4) #define ELF_ST_TYPE(i) ((i) & 0xF) #define ELF_ST_INFO(b,t) (((b)<<4)+((t)&0xf)) #define STB_LOCAL 0 #define STB_GLOBAL 1 #define STB_WEAK 2 #define STB_LOPROC 13 #define STB_HIPROC 15 #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 #define ELF32_R_SYM(i) ((i) >> 8) #define ELF32_R_TYPE(i) ((i) & 0xff) #define ELF32_R_INFO(s, t) (((s) << 8) + ((t) & 0xff)) #define ELF64_R_SYM(i) ((i) >> 32) #define ELF64_R_TYPE(i) ((i) & 0xffffffff) #define ELF64_R_INFO(s,t) ((((uint64_t) (s)) << 32) + (t)) #endif /* __ELF_H */ #endif /* NOT OFFTARGET */