41 lines
1.0 KiB
Ruby
41 lines
1.0 KiB
Ruby
module UJIT
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def self.disasm(iseq)
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if iseq.is_a? Method
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iseq = RubyVM::InstructionSequence.of(iseq)
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end
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blocks = UJIT.blocks_for(iseq)
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return if blocks.empty?
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str = ""
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cs = UJIT::Disasm.new
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str << iseq.disasm
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str << "\n"
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# Sort the blocks by increasing addresses
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blocks.sort_by(&:address).each_with_index do |block, i|
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str << "== BLOCK #{i+1}/#{blocks.length}: #{block.code.length} BYTES, ISEQ RANGE [#{block.iseq_start_index},#{block.iseq_end_index}[ ".ljust(80, "=")
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str << "\n"
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cs.disasm(block.code, 0).each do |i|
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str << sprintf(
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" %<address>08X: %<instruction>s\t%<details>s\n",
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address: block.address + i.address,
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instruction: i.mnemonic,
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details: i.op_str
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)
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end
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end
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block_sizes = blocks.map { |block| block.code.length }
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total_bytes = block_sizes.reduce(0, :+)
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str << "\n"
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str << "Total code size: #{total_bytes} bytes"
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str << "\n"
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str
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end if defined?(Disasm)
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end
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