diff options
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/ELF/elf.h')
| -rw-r--r-- | lldb/source/Plugins/ObjectFile/ELF/elf.h | 148 |
1 files changed, 142 insertions, 6 deletions
diff --git a/lldb/source/Plugins/ObjectFile/ELF/elf.h b/lldb/source/Plugins/ObjectFile/ELF/elf.h index 9d08119c597..34e303a3d49 100644 --- a/lldb/source/Plugins/ObjectFile/ELF/elf.h +++ b/lldb/source/Plugins/ObjectFile/ELF/elf.h @@ -10,17 +10,30 @@ #ifndef __elf_h__ #define __elf_h__ +//---------------------------------------------------------------------- +// Typedefs for ELF32. +//---------------------------------------------------------------------- typedef uint16_t Elf32_Half; typedef uint32_t Elf32_Word; typedef int32_t Elf32_Sword; typedef uint32_t Elf32_Addr; typedef uint32_t Elf32_Off; +//---------------------------------------------------------------------- +// Typedefs for ELF64. +//---------------------------------------------------------------------- +typedef uint16_t Elf64_Half; +typedef uint32_t Elf64_Word; +typedef int32_t Elf64_Sword; +typedef uint64_t Elf64_Xword; +typedef int64_t Elf64_Sxword; +typedef uint64_t Elf64_Addr; +typedef uint64_t Elf64_Off; #define EI_NIDENT 16 //---------------------------------------------------------------------- -// ELF Header +// ELF Headers //---------------------------------------------------------------------- typedef struct Elf32_Ehdr_Tag { @@ -40,6 +53,24 @@ typedef struct Elf32_Ehdr_Tag Elf32_Half e_shstrndx; } Elf32_Ehdr; +typedef struct Elf64_Ehdr_Tag +{ + unsigned char e_ident[EI_NIDENT]; + Elf64_Half e_type; + Elf64_Half e_machine; + Elf64_Word e_version; + Elf64_Addr e_entry; + Elf64_Off e_phoff; + Elf64_Off e_shoff; + Elf64_Word e_flags; + Elf64_Half e_ehsize; + Elf64_Half e_phentsize; + Elf64_Half e_phnum; + Elf64_Half e_shentsize; + Elf64_Half e_shnum; + Elf64_Half e_shstrndx; +} Elf64_Ehdr; + //---------------------------------------------------------------------- // e_type // @@ -69,6 +100,7 @@ typedef struct Elf32_Ehdr_Tag #define EM_PPC 20 // PowerPC #define EM_PPC64 21 // PowerPC64 #define EM_ARM 40 // ARM +#define EM_X86_64 62 // AMD x86-64 //---------------------------------------------------------------------- @@ -83,6 +115,11 @@ typedef struct Elf32_Ehdr_Tag #define EI_VERSION 6 // File version #define EI_PAD 7 // Start of padding bytes +//---------------------------------------------------------------------- +// EI_CLASS definitions +//---------------------------------------------------------------------- +#define ELFCLASS32 1 // 32-bit object file +#define ELFCLASS64 2 // 64-bit object file //---------------------------------------------------------------------- // EI_DATA definitions @@ -92,7 +129,7 @@ typedef struct Elf32_Ehdr_Tag #define ELFDATA2MSB 2 // Big Endian //---------------------------------------------------------------------- -// Section Header +// Section Headers //---------------------------------------------------------------------- typedef struct Elf32_Shdr_Tag { @@ -108,6 +145,20 @@ typedef struct Elf32_Shdr_Tag Elf32_Word sh_entsize; } Elf32_Shdr; +typedef struct Elf64_Shdr_Tag +{ + Elf64_Word sh_name; + Elf64_Word sh_type; + Elf64_Xword sh_flags; + Elf64_Addr sh_addr; + Elf64_Off sh_offset; + Elf64_Xword sh_size; + Elf64_Word sh_link; + Elf64_Word sh_info; + Elf64_Xword sh_addralign; + Elf64_Xword sh_entsize; +} Elf64_Shdr; + //---------------------------------------------------------------------- // Section Types (sh_type) //---------------------------------------------------------------------- @@ -149,7 +200,7 @@ typedef struct Elf32_Shdr_Tag //---------------------------------------------------------------------- -// Symbol Table Entry Header +// Symbol Table Entry Headers //---------------------------------------------------------------------- typedef struct Elf32_Sym_Tag { @@ -161,10 +212,23 @@ typedef struct Elf32_Sym_Tag Elf32_Half st_shndx; } Elf32_Sym; +typedef struct Elf64_Sym_Tag +{ + Elf64_Word st_name; + unsigned char st_info; + unsigned char st_other; + Elf64_Half st_shndx; + Elf64_Addr st_value; + Elf64_Xword st_size; +} Elf64_Sym; -#define ELF32_ST_BIND(i) ((i)>>4) -#define ELF32_ST_TYPE(i) ((i)&0xf) -#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf)) +//---------------------------------------------------------------------- +// Accessors to the binding and type bits in the st_info field of a +// symbol table entry. Valid for both 32 and 64 bit variations. +//---------------------------------------------------------------------- +#define ELF_ST_BIND(i) ((i)>>4) +#define ELF_ST_TYPE(i) ((i)&0xf) +#define ELF_ST_INFO(b,t) (((b)<<4)+((t)&0xf)) // ST_BIND #define STB_LOCAL 0 @@ -199,10 +263,70 @@ typedef struct Elf32_Rela_Tag Elf32_Sword r_addend; } Elf32_Rela; +typedef struct Elf64_Rel_Tag +{ + Elf64_Addr r_offset; + Elf64_Word r_info; +} Elf64_Rel; + +typedef struct Elf64_Rela_Tag +{ + Elf64_Addr r_offset; + Elf64_Word r_info; + Elf64_Sword r_addend; +} Elf64_Rela; + #define ELF32_R_SYM(i) ((i)>>8) #define ELF32_R_TYPE(i) ((unsignedchar)(i)) #define ELF32_R_INFO(s,t) (((s)<<8)+(unsignedchar)(t)) +//---------------------------------------------------------------------- +// Dynamic Table Entry Headers +//---------------------------------------------------------------------- +typedef struct Elf64_Dyn_Tag +{ + Elf64_Sxword d_tag; + union + { + Elf64_Xword d_val; + Elf64_Addr d_ptr; + } d_un; +} Elf64_Dyn; + +#define DT_NULL 0 // Marks end of dynamic array. +#define DT_NEEDED 1 // String table offset of needed library. +#define DT_PLTRELSZ 2 // Size of relocation entries in PLT. +#define DT_PLTGOT 3 // Address associated with linkage table. +#define DT_HASH 4 // Address of symbolic hash table. +#define DT_STRTAB 5 // Address of dynamic string table. +#define DT_SYMTAB 6 // Address of dynamic symbol table. +#define DT_RELA 7 // Address of relocation table (Rela entries). +#define DT_RELASZ 8 // Size of Rela relocation table. +#define DT_RELAENT 9 // Size of a Rela relocation entry. +#define DT_STRSZ 10 // Total size of the string table. +#define DT_SYMENT 11 // Size of a symbol table entry. +#define DT_INIT 12 // Address of initialization function. +#define DT_FINI 13 // Address of termination function. +#define DT_SONAME 14 // String table offset of a shared objects name. +#define DT_RPATH 15 // String table offset of library search path. +#define DT_SYMBOLIC 16 // Changes symbol resolution algorithm. +#define DT_REL 17 // Address of relocation table (Rel entries). +#define DT_RELSZ 18 // Size of Rel relocation table. +#define DT_RELENT 19 // Size of a Rel relocation entry. +#define DT_PLTREL 20 // Type of relocation entry used for linking. +#define DT_DEBUG 21 // Reserved for debugger. +#define DT_TEXTREL 22 // Relocations exist for non-writable segements. +#define DT_JMPREL 23 // Address of relocations associated with PLT. +#define DT_BIND_NOW 24 // Process all relocations before execution. +#define DT_INIT_ARRAY 25 // Pointer to array of initialization functions. +#define DT_FINI_ARRAY 26 // Pointer to array of termination functions. +#define DT_INIT_ARRAYSZ 27 // Size of DT_INIT_ARRAY. +#define DT_FINI_ARRAYSZ 28 // Size of DT_FINI_ARRAY. +#define DT_LOOS 0x60000000 // Start of environment specific tags. +#define DT_HIOS 0x6FFFFFFF // End of environment specific tags. +#define DT_LOPROC 0x70000000 // Start of processor specific tags. +#define DT_HIPROC 0x7FFFFFFF // End of processor specific tags. + //---------------------------------------------------------------------- // Program Headers @@ -219,6 +343,18 @@ typedef struct Elf32_Phdr_Tag Elf32_Word p_align; } Elf32_Phdr; +typedef struct Elf64_Phdr_Tag +{ + Elf64_Word p_type; + Elf64_Off p_offset; + Elf64_Addr p_vaddr; + Elf64_Addr p_paddr; + Elf64_Word p_filesz; + Elf64_Word p_memsz; + Elf64_Word p_flags; + Elf64_Word p_align; +} Elf64_Phdr; + //---------------------------------------------------------------------- // Program Header Type (p_type) //---------------------------------------------------------------------- |
