Class: DsymUuidExtractor::MachOReader

Inherits:
Object
  • Object
show all
Defined in:
lib/dsym_uuid_extractor/macho_reader.rb

Overview

Based on the details found in developer.apple.com/library/mac/documentation/DeveloperTools/Conceptual/MachORuntime/index.html

Direct Known Subclasses

MachOBinaryReader, MachOFileReader

Defined Under Namespace

Classes: ArchIsNil, EmptySymbolicationFile, MachOReaderError, UnkownCpuSubtype, UnkownCpuType

Constant Summary collapse

CPU_ARCH_ABI64 =

Constants CPU Types

0x01000000
CPU_TYPE_I386 = 
7
CPU_TYPE_X86_64 = 
CPU_TYPE_I386 | CPU_ARCH_ABI64
CPU_TYPE_ARM = 
12
CPU_TYPE_ARM64 = 
CPU_TYPE_ARM | CPU_ARCH_ABI64
CPU_SUBTYPE_ARM_V7 =

CPU Subtypes

9
CPU_SUBTYPE_ARM_V7S = 
11

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ MachOReader

Methods



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# File 'lib/dsym_uuid_extractor/macho_reader.rb', line 22

def initialize(opts = {})
  @file = File.open(opts[:file_path], mode: 'rb')

  @file.seek(opts[:seek_to_pos]) if opts[:seek_to_pos]
end

Instance Attribute Details

#file ⇒ Object (readonly)

Readers



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# File 'lib/dsym_uuid_extractor/macho_reader.rb', line 19

def file
  @file
end

Instance Method Details

#read_struct(struct_class, opts = {}) ⇒ Object 



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# File 'lib/dsym_uuid_extractor/macho_reader.rb', line 28

def read_struct(struct_class, opts = {})
  struct_size = struct_class.size
  buffer      = FFI::Buffer.new(:char, struct_size)
  buffer      = buffer.order(opts[:byte_order]) if opts[:byte_order]

  buffer.put_bytes(0, @file.read(struct_size))

  struct_class.new(buffer)
end