pass ci

Author: katsyoshi

Rakefile

@@ -8,7 +8,7 @@ require "steep/cli"
 task default: %i[test]
 
 Rake::TestTask.new do |t|
-  t.test_files = FileList['test/test*.rb']
+  t.test_files = FileList['test/test*.rb', 'test/**/test*.rb']
 end
 
 namespace :steep do

lib/vaporware/compiler.rb

@@ -2,47 +2,24 @@
 
 require_relative "compiler/generator"
 require_relative "compiler/assembler"
+require_relative "compiler/linker"
 
 class Vaporware::Compiler
   def self.compile(source, compiler: "gcc", dest: "tmp", debug: false, compiler_options: ["-O0"], shared: false)
-    _precompile = "#{dest}.s"
-    s = new(input: source, output: _precompile, debug:, shared:)
+    s = new(input: source, output: dest, debug:, shared:)
     s.compile(compiler_options:)
-    obj_file = s.assemble(input: _precompile, assembler: "as", debug:)
-    output = File.basename(obj_file, ".o")
-    output = "lib#{output}.so" if shared && output !~ /^lib.+\.so$/
-    s.link(input: obj_file, output:, shared:)
-    File.delete(obj_file) unless debug
-    File.delete(_precompile) unless debug
-  end
-
-  def initialize(input:, output: File.basename(input, ".*") + ".s", debug: false, shared: false)
-    @generator = Vaporware::Compiler::Generator.new(input:, output:, debug:, shared:)
-    @assembler = Vaporware::Compiler::Assembler.new(input: @generator.precompile, debug:,)
-  end
-
-  def assemble(input:, output: File.basename(input, ".*") + ".o", assembler: "as", assembler_options: [], debug: false)
-    if ["gcc", "as"].include?(assembler)
-      assemble = [assembler, *assembler_options, "-o", output, input].compact
-      call_command(assemble)
-    else
-      @assembler.assemble(input:, output:)
-    end
-    output
+    s.assemble(input: dest.to_s + ".s", assembler: "as", debug:)
+    s.link
   end
 
-  def link(input:, output: File.basename(input, ".*"), linker: "ld", linker_options: [], dyn_ld_path: ["-dynamic-linker", "/lib64/ld-linux-x86-64.so.2"], ld_path: ["/lib64/libc.so.6", "/usr/lib64/crt1.o"], shared: false)
-    if shared
-      dyn_ld_path = []
-      ld_path = ["/usr/lib64/crti.o", "/usr/lib/gcc/x86_64-pc-linux-gnu/13/crtbeginS.o", "/usr/lib/gcc/x86_64-pc-linux-gnu/13/crtendS.o", "/usr/lib64/crtn.o",]
-
-      linker_options = ["-shared"]
-    end
-    linker_commands = [linker, *linker_options, *dyn_ld_path, "-o", output, *ld_path, input].compact
-    call_command(linker_commands)
+  def initialize(input:, output: File.basename(input, ".*"), linker: "ld", assembler: "as", debug: false, shared: false)
+    @generator = Vaporware::Compiler::Generator.new(input:, output: output + ".s", debug:, shared:)
+    @assembler = Vaporware::Compiler::Assembler.new(input: @generator.precompile, output: output + ".o", assembler:, debug:)
+    output = "lib#{output}.so" if shared && output !~ /^lib.+\.so$/
+    @linker = Vaporware::Compiler::Linker.new(input: @assembler.obj_file, output:, linker:, debug:, shared:)
   end
 
-  def call_command(commands) = IO.popen(commands.join(" ")).close
-
+  def assemble(input:, output: File.basename(input, ".*") + ".o", assembler: "as", assembler_options: [], debug: false) = @assembler.assemble(input:, output:, assembler:, assembler_options:, debug:)
+  def link = @linker.link
   def compile(compiler_options: ["-O0"]) = @generator.compile
 end

lib/vaporware/compiler/assembler.rb

@@ -15,7 +15,7 @@
 class Vaporware::Compiler::Assembler
   def self.assemble!(input, output = File.basename(input, ".*") + ".o") = new(input:, output:).assemble
 
-  def initialize(input:, output: File.basename(input, ".*") + ".o", type: :relocator, debug: false)
+  def initialize(input:, output: File.basename(input, ".*") + ".o", assembler: "as", type: :relocator, debug: false)
     @input, @output = input, output
     @elf_header = ELF::Header.new(type:)
     @sections = {
@@ -31,7 +31,18 @@ def initialize(input:, output: File.basename(input, ".*") + ".o", type: :relocat
     @debug = debug
   end
 
-  def assemble(assemble_command: "as", assemble_options: [], input: @input, output: @output)
+  def assemble(assembler: "as", assembler_options: [], input: @input, output: @output, debug: false)
+    if ["gcc", "as"].include?(assembler)
+      IO.popen([assembler, *assembler_options, "-o", output, input].join(" ")).close
+    else
+      to_elf(input:, output:)
+    end
+    output
+  end
+  def obj_file = @output
+
+  private
+  def to_elf(input: @input, output: @output, debug: false)
     f = File.open(output, "wb")
     read = { main: false }
     program_size = 0

lib/vaporware/compiler/linker.rb

@@ -1,20 +1,38 @@
 # frozen_string_literal: true
-module Vaporware
-  class Compiler
-    class Linker
-      DEFAULT_LIBRARY_PATH = %w(/lib64/libc.so.6 /usr/lib64/crt1.o /usr/lib64/crtn.o)
-      def self.link!(source, dest = "a.out", linker: "mold", lib_path: [], options: []) = new(source, dest, linker:, lib_path:, options:)
+class Vaporware::Compiler::Linker
+  def self.link!(source, dest = "a.out", linker: "mold", options: []) = new(input: source, output: dest, linker:, options:).link
 
-      def initialize(input, output = "a.out", linker: "mold", lib_path: [], options: [])
-        @input, @output, @linker = input, output, linker
-        @lib_path = DEFAULT_LIBRARY_PATH + lib_path
-        @options = options
-      end
+  def initialize(input:, output: "a.out", linker: "mold", linker_options: [], shared: false, debug: false)
+    @input, @output, @linker = input, output, linker
+    @options = linker_options
+    @debug, @shared = debug, shared
+  end
 
-      def link = IO.popen(link_command).close
+  def link(input: @input, output: @output, debug: @debug, shared: @shared) = IO.popen(link_command).close
 
-      private
-      def link_command = %Q|#{@linker} -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o #{@output} #{@lib_path.join(' ')} #{@input}|.split(/\s+/)
+  def link_command
+    ld_path = []
+    if @shared
+      ld_path << "--shared"
+      ld_path << "#{libpath}/crti.o"
+      ld_path << "#{gcc_libpath}/crtbeginS.o"
+      ld_path << "#{gcc_libpath}/crtendS.o"
+    else
+      ld_path << "-dynamic-linker"
+      ld_path << "/lib64/ld-linux-x86-64.so.2"
+      ld_path << "#{libpath}/crt1.o"
+      ld_path << "#{libpath}/crti.o"
+      ld_path << "#{gcc_libpath}/crtbegin.o"
+      # for not static compile
+      ld_path << "#{gcc_libpath}/crtend.o"
     end
+    ld_path << "#{libpath}/libc.so"
+    ld_path << "#{libpath}/crtn.o"
+    cmd = [@linker, "-o", @output, "-m", "elf_x86_64", *@options, *ld_path, @input].join(' ')
+    puts cmd if @debug
+    cmd
   end
+
+  def libpath = @libpath ||= File.dirname(Dir.glob("/usr/lib*/**/crti.o").last)
+  def gcc_libpath = @gcc_libpath ||= File.dirname(Dir.glob("/usr/lib/gcc/x86_64-*/*/crtbegin.o").last)
 end

sig/vaporware/compiler.rbs

@@ -1,4 +1,8 @@
 class Vaporware::Compiler
+  GCC_LD_PATH: String
+  LD_PATH: String
+  DYN_LD_PATH: String
+  SHARED_LD_PATH: String
   # class methods
   def self.compile: (String, ?compiler: String, ?dest: String, ?debug: bool, ?compiler_options: Array[String], ?shared: bool) -> void
   def initialize: (input: String, ?output: String, ?debug: bool, ?shared: bool) -> void

sig/vaporware/compiler/assembler.rbs

@@ -5,5 +5,8 @@ class Vaporware::Compiler::Assembler
   @debug: bool
 
   def initialize: (input: String, ?output: String, ?type: Symbol, ?debug: bool) -> void
-  def assemble: (?assemble_command: String, ?assemble_options: Array[String], ?input: String, ?output: String) -> void
+  def assemble: (?assembler: String, ?assembler_options: Array[String] | [], ?input: String, ?output: String, ?debug: bool) -> String
+  def obj_file: () -> String
+
+  private def to_elf: (?input: String, ?output: String, ?debug: bool) -> void
 end

sig/vaporware/compiler/linker.rbs

@@ -0,0 +1,15 @@
+class Vaporware::Compiler::Linker
+  @input: String
+  @output: String
+  @linker: String
+  @options: Array[String]
+  @shared: bool
+  @debug: bool
+
+  def initialize: (input: String, ?output: String, ?linker: String, ?linker_options: Array[String], ?shared: bool, ?debug: bool) -> void
+  def link: (input: String, ?output: String, ?shared: bool, ?debug: bool) -> void
+
+  def link_command: () -> String
+  def libpath: () -> String
+  def gcc_libpath: () -> String
+end

test/vaporware/test_compiler.rb

@@ -0,0 +1,17 @@
+require "vaporware"
+require "test/unit"
+
+class Vaporware::LinkerTest < Test::Unit::TestCase
+  def test_librarie
+    linker = Vaporware::Compiler::Linker.new(input: "tmp.o")
+    assert_false(linker.libpath.empty?, "should not be empty")
+    assert_false(linker.gcc_libpath.empty?, "should not be empty")
+  end
+
+  def test_link_command
+    linker = Vaporware::Compiler::Linker.new(input: "tmp.o", output: "tmp")
+    assert_match(%r|mold -o tmp -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 /.+/crt1.o /.+/crti.o /.+/crtbegin.o /.+/crtend.o /.+/libc.so /.+/crtn.o tmp.o|, linker.link_command)
+    linker = Vaporware::Compiler::Linker.new(input: "tmp.o", output: "tmp", shared: true)
+    assert_match(%r|mold -o tmp -m elf_x86_64 --shared /.+/crti.o /.+/crtbeginS.o /.+/crtendS.o /.+/libc.so /.+/crtn.o tmp.o|, linker.link_command)
+  end
+end