bigendian smalls
258e743f82
SystemZ (z/os, mainframe) added as a constant to the arch.rb file. This along with other commits in this package will allow for development of SystemZ (mainframe) based modules.
110 lines
2.1 KiB
Ruby
110 lines
2.1 KiB
Ruby
# -*- coding: binary -*-
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require 'rex/constants'
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module Rex
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###
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#
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# This module provides generalized methods for performing operations that are
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# architecture specific. Furthermore, the modules contained within this
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# module provide features that are specific to a given architecture.
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#
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###
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module Arch
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#
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# Architecture classes
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#
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require 'rex/arch/x86'
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require 'rex/arch/sparc'
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require 'rex/arch/zarch'
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#
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# This routine adjusts the stack pointer for a given architecture.
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#
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def self.adjust_stack_pointer(arch, adjustment)
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if ( arch.is_a?(::Array))
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arch = arch[0]
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end
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case arch
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when /x86/
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Rex::Arch::X86.adjust_reg(Rex::Arch::X86::ESP, adjustment)
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else
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nil
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end
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end
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#
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# This route provides address packing for the specified arch
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#
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def self.pack_addr(arch, addr)
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if ( arch.is_a?(::Array))
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arch = arch[0]
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end
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case arch
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when ARCH_X86
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[addr].pack('V')
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when ARCH_X86_64, ARCH_X64
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[addr].pack('Q<')
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when ARCH_MIPS # ambiguous
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[addr].pack('N')
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when ARCH_MIPSBE
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[addr].pack('N')
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when ARCH_MIPSLE
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[addr].pack('V')
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when ARCH_PPC # ambiguous
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[addr].pack('N')
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when ARCH_SPARC
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[addr].pack('N')
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when ARCH_ARMLE
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[addr].pack('V')
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when ARCH_ARMBE
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[addr].pack('N')
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when ARCH_ZARCH
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[addr].pack('Q>')
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end
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end
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#
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# This routine reports the endianess of a given architecture
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#
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def self.endian(arch)
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if ( arch.is_a?(::Array))
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arch = arch[0]
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end
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case arch
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when ARCH_X86
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return ENDIAN_LITTLE
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when ARCH_X86_64
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return ENDIAN_LITTLE
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when ARCH_MIPS # ambiguous
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return ENDIAN_BIG
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when ARCH_MIPSLE
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return ENDIAN_LITTLE
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when ARCH_MIPSBE
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return ENDIAN_BIG
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when ARCH_PPC # ambiguous
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return ENDIAN_BIG
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when ARCH_SPARC
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return ENDIAN_BIG
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when ARCH_ARMLE
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return ENDIAN_LITTLE
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when ARCH_ARMBE
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return ENDIAN_BIG
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when ARCH_ZARCH
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return ENDIAN_BIG
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end
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return ENDIAN_LITTLE
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end
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end
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end
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