diff options
Diffstat (limited to 'checklink/ELF_types.ml')
| -rw-r--r-- | checklink/ELF_types.ml | 123 |
1 files changed, 62 insertions, 61 deletions
diff --git a/checklink/ELF_types.ml b/checklink/ELF_types.ml index a6568ed..f67b91d 100644 --- a/checklink/ELF_types.ml +++ b/checklink/ELF_types.ml @@ -26,11 +26,11 @@ type ev = | EV_CURRENT | EV_UNKNOWN -type elf_identification = { - ei_class: elfclass; (* 32/64 bit *) - ei_data: elfdata; (* endianness *) - ei_version: ev; (* ELF header version *) -} +type elf_identification = + { ei_class : elfclass (* 32/64 bit *) + ; ei_data : elfdata (* endianness *) + ; ei_version : ev (* ELF header version *) + } (** ELF header *) @@ -59,22 +59,22 @@ let shn_UNDEF = 0 let shn_ABS = 0xFFF1 let shn_COMMON = 0xFFF2 -type elf32_ehdr = { - e_ident: elf_identification; (* Machine-independent data *) - e_type: et; (* Object file type *) - e_machine: em; (* Required architecture *) - e_version: ev; (* Object file version *) - e_entry: elf32_addr; (* Entry point virtual address *) - e_phoff: elf32_off; (* Program header table's offset *) - e_shoff: elf32_off; (* Section header table's offset *) - e_flags: Bitstring.bitstring; (* Processor-specific flags *) - e_ehsize: elf32_half; (* ELF header size *) - e_phentsize: elf32_half; (* Size of a program header's entry *) - e_phnum: elf32_half; (* Number of program header entries *) - e_shentsize: elf32_half; (* Size of a section header's entry *) - e_shnum: elf32_half; (* Number of section header entries *) - e_shstrndx: elf32_half; (* Section name string table index *) -} +type elf32_ehdr = + { e_ident : elf_identification (* Machine-independent data *) + ; e_type : et (* Object file type *) + ; e_machine : em (* Required architecture *) + ; e_version : ev (* Object file version *) + ; e_entry : elf32_addr (* Entry point virtual address *) + ; e_phoff : elf32_off (* Program header table's offset *) + ; e_shoff : elf32_off (* Section header table's offset *) + ; e_flags : Bitstring.bitstring (* Processor-specific flags *) + ; e_ehsize : elf32_half (* ELF header size *) + ; e_phentsize : elf32_half (* Size of a program header's entry *) + ; e_phnum : elf32_half (* Number of program header entries *) + ; e_shentsize : elf32_half (* Size of a section header's entry *) + ; e_shnum : elf32_half (* Number of section header entries *) + ; e_shstrndx : elf32_half (* Section name string table index *) + } (** ELF section header *) @@ -93,18 +93,18 @@ type sht = | SHT_DYNSYM | SHT_UNKNOWN -type elf32_shdr = { - sh_name: string; - sh_type: sht; - sh_flags: elf32_word; - sh_addr: elf32_addr; - sh_offset: elf32_off; - sh_size: elf32_word; - sh_link: elf32_word; - sh_info: elf32_word; - sh_addralign: elf32_word; - sh_entsize: elf32_word; -} +type elf32_shdr = + { sh_name : string + ; sh_type : sht + ; sh_flags : elf32_word + ; sh_addr : elf32_addr + ; sh_offset : elf32_off + ; sh_size : elf32_word + ; sh_link : elf32_word + ; sh_info : elf32_word + ; sh_addralign : elf32_word + ; sh_entsize : elf32_word + } let shf_WRITE = 0x1l let shf_ALLOC = 0x2l @@ -124,15 +124,15 @@ type elf32_st_type = | STT_FILE | STT_UNKNOWN -type elf32_sym = { - st_name: string; - st_value: elf32_addr; - st_size: elf32_word; - st_bind: elf32_st_bind; - st_type: elf32_st_type; - st_other: byte; - st_shndx: elf32_half; -} +type elf32_sym = + { st_name : string + ; st_value : elf32_addr + ; st_size : elf32_word + ; st_bind : elf32_st_bind + ; st_type : elf32_st_type + ; st_other : byte + ; st_shndx : elf32_half + } (** ELF program header *) @@ -146,24 +146,25 @@ type p_type = | PT_PHDR | PT_UNKNOWN -type elf32_phdr = { - p_type: p_type ; - p_offset: elf32_off ; - p_vaddr: elf32_addr ; - p_paddr: elf32_addr ; - p_filesz: elf32_word ; - p_memsz: elf32_word ; - p_flags: bitstring ; - p_align: elf32_word ; -} +type elf32_phdr = + { p_type : p_type + ; p_offset : elf32_off + ; p_vaddr : elf32_addr + ; p_paddr : elf32_addr + ; p_filesz : elf32_word + ; p_memsz : elf32_word + ; p_flags : bitstring + ; p_align : elf32_word + } (** ELF *) -type elf = { - e_bitstring: bitstring; - e_hdr: elf32_ehdr; - e_shdra: elf32_shdr array; - e_phdra: elf32_phdr array; - e_symtab: elf32_sym array; - e_symtab_sndx: int; (* to avoid having to find it again when needed *) - e_syms_by_name: int list StringMap.t; (* faster lookup *) -} +type elf = + { e_bitstring : bitstring + ; e_hdr : elf32_ehdr + ; e_shdra : elf32_shdr array + ; e_phdra : elf32_phdr array + ; e_symtab : elf32_sym array + ; e_symtab_sndx : int (* section index of the symbol table *) + ; e_sym_phdr : int32 -> int option (* fast sym -> phdr lookup *) + ; e_syms_by_name : int list StringMap.t (* fast name -> sym lookup *) + } |