make elf symbols optional
and default to false. Smaller executables by at least half also add option for compiler cli
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@ -7,7 +7,9 @@ require_relative 'string_table_section'
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module Elf
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class ObjectWriter
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def initialize( linker )
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attr_reader :text
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def initialize( linker , options = {} )
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@linker = linker
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target = Elf::Constants::TARGET_ARM
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@object = Elf::ObjectFile.new(target)
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@ -22,7 +24,15 @@ module Elf
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assembler = Risc::TextWriter.new(@linker)
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set_text assembler.write_as_string
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add_debug_symbols(options)
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end
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# for debug add labels for labels
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def add_debug_symbols(options)
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debug = options[:debug]
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return unless debug
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@linker.assemblers.each do |asm|
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meth = asm.callable
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asm.instructions.each do |label|
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@ -34,7 +44,6 @@ module Elf
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add_symbol label , Risc::Position.get(code).at
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end
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end
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@linker.object_positions.each do |slot , position|
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next if slot.is_a?(Parfait::BinaryCode)
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next if slot.class.name.include?("Arm")
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@ -48,8 +57,6 @@ module Elf
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end
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end
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attr_reader :text
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def set_text(text)
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@text.text = text
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add_symbol "_start", 0
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@ -5,6 +5,7 @@ require "risc/interpreter"
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class RubyXC < Thor
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class_option :integers , type: :numeric
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class_option :mesages , type: :numeric
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class_option :elf , type: :boolean
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desc "compile FILE" , "Compile given FILE to binary"
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@ -27,11 +28,13 @@ class RubyXC < Thor
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puts "compiling #{file}"
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linker = ::RubyX::RubyXCompiler.new(extract_options).ruby_to_binary( ruby , :arm )
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writer = Elf::ObjectWriter.new(linker)
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elf = { debug: options[:elf] || false }
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writer = Elf::ObjectWriter.new(linker , elf)
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outfile = file.split("/").last.gsub(".rb" , ".o")
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writer.save outfile
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system "arm-linux-gnu-ld -N #{outfile}"
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File.delete outfile
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return outfile
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end
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@ -92,8 +95,7 @@ class RubyXC < Thor
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def execute(file)
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outfile = compile(file)
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system "arm-linux-gnu-ld -N #{outfile}"
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puts "Linked ok, now running #{outfile}"
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puts "Running #{outfile}\n\n"
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system "qemu-arm ./a.out ;echo $?"
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end
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@ -1,47 +0,0 @@
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require_relative 'helper'
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require "yaml"
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require "parslet/convenience"
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class TestRunner < MiniTest::Test
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# this creates test methods dynamically , one for each file in runners directory
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def self.runnable_methods
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methods = []
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Dir[File.join(File.dirname(__FILE__) , "runners" , "*.rb")].each do |file|
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meth = File.basename(file).split(".").first
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name = "test_#{meth}"
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methods << name
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self.send(:define_method, name ) {
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execute file
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}
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end
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methods
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end
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def execute file
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string = File.read(file)
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parser = Parser::RubyX.new
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object_space = Risc::Program.new "Arm"
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#TODO : files would have to include s-expressions now
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syntax = parser.parse_with_debug(string, reporter: Parslet::ErrorReporter::Deepest.new)
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assert syntax
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parts = Parser::Transform.new.apply(syntax)
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# file is a list of statements, all but the last must be a function
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# and the last is wrapped as a main
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parts.each_with_index do |part,index|
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if index == (parts.length - 1)
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expr = part.compile( program.context )
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else
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expr = part.compile( program.context )
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raise "should be function definition for now" unless expr.is_a? Risc::Function
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end
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end
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#object writer takes machine
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writer = Elf::ObjectWriter.new(program , Elf::Constants::TARGET_ARM)
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writer.save(file.gsub(".rb" , ".o"))
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# puts program.to_yaml
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end
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end
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@ -21,61 +21,5 @@ module Elf
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writer = Elf::ObjectWriter.new(linker)
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writer.save "test/#{file}.o"
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end
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def check_remote(file)
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check(file)
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stdout , exit_code = run_ssh(file)
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@stdout = "" unless @stdout
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assert_equal @stdout , stdout
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assert_equal @exit_code , exit_code
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end
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def run_ssh( file )
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host = ENV["ARM_HOST"]
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return unless host
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port = (ENV["ARM_PORT"] || 2222)
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user = (ENV["ARM_USER"] || "pi")
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binary_file = "/tmp/#{file}"
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object_file = binary_file + ".o"
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Net::SCP.start(host, user , port: port ) do |scp|
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puts "Copying test/#{file}.o to #{object_file}" if DEBUG
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scp.upload! "test/#{file}.o", object_file
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end
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Net::SSH.start(host, user , port: port ) do |ssh|
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puts "Linking #{object_file}" if DEBUG
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stdout , exit_code = ssh_exec!(ssh , "ld -N -o #{binary_file} #{object_file}")
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assert_equal 0 , exit_code , "Linking #{binary_file} failed"
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puts "Running #{binary_file}" if DEBUG
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stdout , exit_code = ssh_exec!(ssh , binary_file)
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puts "Result #{stdout} #{exit_code}" if DEBUG
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return stdout , exit_code
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end
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end
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def ssh_exec!(ssh, command)
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stdout_data = ""
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exit_code = nil
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ssh.open_channel do |channel|
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channel.exec(command) do |ch, success|
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unless success
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raise "FAILED: couldn't execute command (ssh.channel.exec)"
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end
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channel.on_data do |c,data|
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stdout_data+=data
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end
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channel.on_extended_data do |c,type,data|
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raise "#{ssh} received stderr #{data}"
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end
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channel.on_request("exit-status") do |c,data|
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exit_code = data.read_long
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end
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channel.on_request("exit-signal") do |c, data|
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raise "#{ssh} received signal #{data.read_long}"
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end
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end
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end
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ssh.loop
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[stdout_data, exit_code]
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end
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end
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end
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@ -15,7 +15,7 @@ module RubyX
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end
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def test_file_open
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assert_output(/compiling/) {RubyXC.start(["compile" , "test/mains/source/add__4.rb"])}
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File.delete "add__4.o"
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#File.delete "add__4.o"
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end
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def test_interpret
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assert_output(/interpreting/) {RubyXC.start(["interpret" , "test/mains/source/add__4.rb"])}
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