Module: Rex::Arch

Defined in:
lib/rex/arch.rb,
lib/rex/arch/x86.rb,
lib/rex/arch/sparc.rb

Overview

This module provides generalized methods for performing operations that are architecture specific. Furthermore, the modules contained within this module provide features that are specific to a given architecture.

Defined Under Namespace

Modules: Sparc, X86

Class Method Summary collapse

Class Method Details

.adjust_stack_pointer(arch, adjustment) ⇒ Object

This routine adjusts the stack pointer for a given architecture.



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# File 'lib/rex/arch.rb', line 25

def self.adjust_stack_pointer(arch, adjustment)

	if ( arch.is_a?(::Array))
		arch = arch[0]
	end

	case arch
		when /x86/
			Rex::Arch::X86.adjust_reg(Rex::Arch::X86::ESP, adjustment)
		else
			nil
	end
end

.endian(arch) ⇒ Object

This routine reports the endianess of a given architecture



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# File 'lib/rex/arch.rb', line 73

def self.endian(arch)

	if ( arch.is_a?(::Array))
		arch = arch[0]
	end

	case arch
		when ARCH_X86
			return ENDIAN_LITTLE
		when ARCH_X86_64
			return ENDIAN_LITTLE
		when ARCH_MIPS # ambiguous
			return ENDIAN_BIG
		when ARCH_MIPSLE
			return ENDIAN_LITTLE
		when ARCH_MIPSBE
			return ENDIAN_BIG
		when ARCH_PPC  # ambiguous
			return ENDIAN_BIG
		when ARCH_SPARC
			return ENDIAN_BIG
		when ARCH_ARMLE
			return ENDIAN_LITTLE
		when ARCH_ARMBE
			return ENDIAN_BIG
	end

	return ENDIAN_LITTLE
end

.pack_addr(arch, addr) ⇒ Object

This route provides address packing for the specified arch



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# File 'lib/rex/arch.rb', line 42

def self.pack_addr(arch, addr)

	if ( arch.is_a?(::Array))
		arch = arch[0]
	end

	case arch
		when ARCH_X86
			[addr].pack('V')
		when ARCH_X86_64
			[addr].pack('Q')
		when ARCH_MIPS # ambiguous
			[addr].pack('N')
		when ARCH_MIPSBE
			[addr].pack('N')
		when ARCH_MIPSLE
			[addr].pack('V')
		when ARCH_PPC  # ambiguous
			[addr].pack('N')
		when ARCH_SPARC
			[addr].pack('N')
		when ARCH_ARMLE
			[addr].pack('V')
		when ARCH_ARMBE
			[addr].pack('N')
	end
end