ruby--ruby/ujit.rb

34 lines
772 B
Ruby

module UJIT
def self.disasm(iseq)
if iseq.is_a? Method
iseq = RubyVM::InstructionSequence.of(iseq)
end
blocks = UJIT.blocks_for(iseq)
return if blocks.empty?
str = ""
cs = UJIT::Disasm.new
str << iseq.disasm
str << "\n"
# Sort the blocks by increasing addresses
blocks.sort_by(&:address).reverse.each do |block|
str << "== ISEQ RANGE: [#{block.iseq_start_index},#{block.iseq_end_index}[ ".ljust(80, "=")
str << "\n"
cs.disasm(block.code, 0).each do |i|
str << sprintf(
"\t%<address>04X:\t%<instruction>s\t%<details>s\n",
address: i.address,
instruction: i.mnemonic,
details: i.op_str
)
end
end
str
end if defined?(Disasm)
end