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vm.rake
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vm.rake
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require 'rakelib/rubinius'
require 'rakelib/build'
require 'rakelib/instruction_parser'
require 'rakelib/generator_task'
require 'tmpdir'
require 'ostruct'
config = OpenStruct.new
config.use_jit = true
config.compile_with_llvm = false
CONFIG = config
task :vm => 'vm/vm'
############################################################
# Files, Flags, & Constants
ENV.delete 'CDPATH' # confuses llvm_config
if CONFIG.compile_with_llvm
ENV['CC'] = "llvm-gcc"
end
LLVM_ENABLE = (Rubinius::BUILD_CONFIG[:llvm] != :no)
if ENV['TESTS_ONLY']
tests = FileList[ENV['TESTS_ONLY']]
else
tests = FileList["vm/test/**/test_*.hpp"]
end
tests.uniq!
subdirs = %w!builtin capi util instruments gc llvm!
srcs = FileList["vm/*.{cpp,c}"]
subdirs.each do |dir|
srcs += FileList["vm/#{dir}/*.{cpp,c}"]
end
hdrs = FileList["vm/*.{hpp,h}"]
subdirs.each do |dir|
hdrs += FileList["vm/#{dir}/*.{cpp,c}"]
end
objs = srcs.map { |f| f.sub(/((c(pp)?)|S)$/, 'o') }
dep_file = "vm/.depends.mf"
vm_objs = %w[ vm/drivers/cli.o ]
vm_srcs = %w[ vm/drivers/cli.cpp ]
EX_INC = %w[ libtommath libgdtoa onig libffi/include
].map { |f| "vm/external_libs/#{f}" }
INSN_GEN = %w[ vm/gen/instruction_names.cpp
vm/gen/instruction_names.hpp
vm/gen/instruction_sizes.hpp
vm/gen/instruction_prototypes.hpp
vm/gen/instruction_defines.hpp
vm/gen/instruction_locations.hpp
vm/gen/instruction_implementations.hpp
vm/gen/instruction_visitors.hpp
vm/gen/instruction_effects.hpp
]
TYPE_GEN = %w[ vm/gen/includes.hpp
vm/gen/kind_of.hpp
vm/gen/object_types.hpp
vm/gen/typechecks.gen.cpp
vm/gen/primitives_declare.hpp
vm/gen/primitives_glue.gen.cpp ]
task :bogo_field_extract => TYPE_GEN
# Files are in order based on dependencies. For example,
# CompactLookupTable inherits from Tuple, so the header
# for compactlookuptable.hpp has to come after tuple.hpp
field_extract_headers = %w[
vm/builtin/object.hpp
vm/builtin/integer.hpp
vm/builtin/fixnum.hpp
vm/builtin/array.hpp
vm/builtin/bignum.hpp
vm/builtin/executable.hpp
vm/builtin/access_variable.hpp
vm/builtin/alias.hpp
vm/builtin/block_environment.hpp
vm/builtin/block_as_method.hpp
vm/builtin/bytearray.hpp
vm/builtin/io.hpp
vm/builtin/channel.hpp
vm/builtin/module.hpp
vm/builtin/class.hpp
vm/builtin/compiledmethod.hpp
vm/builtin/data.hpp
vm/builtin/dir.hpp
vm/builtin/exception.hpp
vm/builtin/float.hpp
vm/builtin/immediates.hpp
vm/builtin/iseq.hpp
vm/builtin/list.hpp
vm/builtin/lookuptable.hpp
vm/builtin/ffi_pointer.hpp
vm/builtin/methodtable.hpp
vm/builtin/nativefunction.hpp
vm/builtin/packed_object.hpp
vm/builtin/randomizer.hpp
vm/builtin/regexp.hpp
vm/builtin/staticscope.hpp
vm/builtin/string.hpp
vm/builtin/symbol.hpp
vm/builtin/thread.hpp
vm/builtin/tuple.hpp
vm/builtin/compactlookuptable.hpp
vm/builtin/time.hpp
vm/builtin/taskprobe.hpp
vm/builtin/nativemethod.hpp
vm/builtin/system.hpp
vm/builtin/autoload.hpp
vm/builtin/proc.hpp
vm/builtin/variable_scope.hpp
vm/builtin/location.hpp
vm/builtin/capi_handle.hpp
vm/builtin/global_cache_entry.hpp
vm/builtin/weakref.hpp
vm/builtin/fiber.hpp
vm/builtin/thunk.hpp
vm/builtin/call_unit.hpp
vm/builtin/call_unit_adapter.hpp
]
# TODO: all external libraries should have proper dependencies.
libgdtoa_files = FileList["vm/external_libs/libgdtoa/*.[ch]"]
file "vm/external_libs/libgdtoa/libgdtoa.a" => libgdtoa_files
EXTERNALS = %W[ vm/external_libs/libtommath/libtommath.a
vm/external_libs/libgdtoa/libgdtoa.a
vm/external_libs/onig/.libs/libonig.a
vm/external_libs/libffi/.libs/libffi.a ]
INCLUDES = EX_INC + %w[vm/test/cxxtest vm .]
extra = %w!/usr/local/include /opt/local/include!
extra.each do |dir|
INCLUDES << dir if File.directory?(dir)
end
INCLUDES.map! { |f| "-I#{f}" }
# Default build options
BASIC_FLAGS = %W[ -pipe -Wall -fno-omit-frame-pointer ]
FLAGS = BASIC_FLAGS.dup
# Check compiler preferences (LLVM may still override.)
CC = ENV['CC'] || "gcc"
CXX = ENV["CXX"] || "g++"
if RUBY_PLATFORM =~ /darwin/i
if `sw_vers` =~ /10\.4/
FLAGS.concat %w(-DHAVE_STRLCAT -DHAVE_STRLCPY)
end
# This flag makes the executable non-relocatable (and
# slightly faster), but 4.3 does not support it.
# TODO: Look for workarounds.
unless `#{CC} -v 2>&1` =~ /gcc version 4\.3/i
FLAGS << "-mdynamic-no-pic"
end
end
if LLVM_ENABLE
EXTERNALS << "vm/external_libs/udis86/libudis86/.libs/libudis86.a"
INCLUDES << "-Ivm/external_libs/udis86"
FLAGS << "-DENABLE_LLVM"
STDERR.puts "LLVM inclusion enabled."
=begin
llvm_flags = `#{LLVM_CONFIG} --cflags`.split(/\s+/)
llvm_flags.delete_if { |e| e.index("-O") == 0 }
FLAGS.concat llvm_flags
FLAGS << '-D__STDC_LIMIT_MACROS' unless FLAGS.include? '-D__STDC_LIMIT_MACROS'
FLAGS << '-D__STDC_CONSTANT_MACROS' unless FLAGS.include? '-D__STDC_CONSTANT_MACROS'
=end
end
Rubinius::BUILD_CONFIG[:defines].each do |flag|
FLAGS << "-D#{flag}"
end
BUILD_PRETASKS = []
if ENV['DEV']
BUILD_PRETASKS << "build:debug_flags"
end
def compile_c(obj, src, output_kind="c")
flags = llvm_flags + INCLUDES + FLAGS
if CONFIG.compile_with_llvm
flags << "-emit-llvm"
end
# GROSS
if src == "vm/test/runner.cpp"
flags.delete_if { |f| /-O.*/.match(f) }
end
flags = flags.join(" ")
# Now include CFLAGS and CXXFLAGS
if str = ENV['CXXFLAGS']
flags << " #{str}"
elsif str = ENV['CFLAGS']
flags << " #{str}"
end
# Make sure we are C99 compatible.
flags << " -D__STDC_LIMIT_MACROS" unless flags =~ /__STDC_LIMIT_MACROS/
if $verbose
sh "#{CC} #{flags} -#{output_kind} -o #{obj} #{src} 2>&1"
else
puts "CC #{src}"
sh "#{CC} #{flags} -#{output_kind} -o #{obj} #{src} 2>&1", :verbose => false
end
end
def ld(t)
link_opts = llvm_link_flags()
link_opts += ' -Wl,--export-dynamic' if RUBY_PLATFORM =~ /linux|openbsd/i
link_opts += ' -rdynamic' if RUBY_PLATFORM =~ /bsd/
link_opts += ' -lstdc++'
# Include LDFLAGS
if str = ENV['LDFLAGS']
link_opts << " #{str}"
end
ld = ENV['LD'] || 'g++'
if CONFIG.compile_with_llvm
objs = t.prerequisites.find_all { |f| f =~ /o$/ }.join(' ')
sh "llvm-link -f -o vm/tmp.bc #{objs}"
sh "opt -O3 -f -o vm/objs.bc vm/tmp.bc"
sh "rm vm/tmp.bc"
sh "llc -filetype=asm -f -o vm/objs.s vm/objs.bc"
sh "rm vm/objs.bc"
flags = INCLUDES + FLAGS
sh "gcc #{flags.join(' ')} -c -o vm/objs.o vm/objs.s"
sh "rm vm/objs.s"
o = (["vm/objs.o"] + t.prerequisites.find_all { |f| f =~ /a$/ }).join(' ')
else
o = t.prerequisites.find_all { |f| f =~ /[oa]$/ }.join(' ')
end
l = ex_libs.join(' ')
if $verbose
sh "#{ld} #{link_opts} -o #{t.name} #{o} #{l}"
else
puts "LD #{t.name}"
sh "#{ld} #{link_opts} -o #{t.name} #{o} #{l}", :verbose => false
end
end
############################################################
# Other Tasks
# Build options.
namespace :build do
# The top-level build task uses this, so undocumented.
task :normal => %w[ build:normal_flags build:profiler_flags build:build ]
desc "Show methods that are not inlined in the optimized build"
task :inline => %w[ build:inline_flags build:profiler_flags build:build ]
desc "Build debug image for GDB. No optimizations, more warnings."
task :debug => %w[ build:debug_flags build:stats_flags
build:profiler_flags build:build ]
task :stats => %w[ build:normal_flags build:stats_flags
build:profiler_flags build:build ]
desc "Build to check for possible problems in the code. See build:help."
task :strict => %w[ build:strict_flags build:build ]
desc "Build to enforce coding practices. See build:help for info."
task :ridiculous => %w[ build:ridiculous_flags build:build ]
desc "Build without any debug code"
task :nodebug => %w[ build:nodebug_flags build:build ]
desc "Generate dependency file"
task :depends => dep_file
# Stupid rake.
unless Rake.application.top_level_tasks.include? "clean"
import dep_file
end
desc "Build LLVM"
task :llvm do
if LLVM_ENABLE and Rubinius::BUILD_CONFIG[:llvm] == :svn
unless File.file?("vm/external_libs/llvm/Release/bin/llvm-config")
sh "cd vm/external_libs/llvm; ./configure #{llvm_config_flags} && #{make}"
end
end
end
# Issue the actual build commands. NEVER USE DIRECTLY.
task :build => BUILD_PRETASKS +
%w[
build:llvm
vm
kernel:build
build:ffi:preprocessor
extensions
]
# Flag setup
task :normal_flags do
FLAGS.concat %w[ -ggdb3 -O2 -Werror ]
end
task :inline_flags => :normal_flags do
FLAGS.concat %w[ -Winline -Wuninitialized ]
end
# -Wuninitialized requires -O, so it is not here.
task :debug_flags => "build:normal_flags" do
FLAGS.delete "-O2"
FLAGS.concat %w[ -O0 -fno-inline -DRBX_DEBUG ]
end
task :nodebug_flags => "build:normal_flags" do
FLAGS << "-DNDEBUG"
end
task :stats_flags do
FLAGS.concat %w[ -DRBX_GC_STATS ]
end
task :profiler_flags do
FLAGS.concat %w[ -DRBX_PROFILER ] unless ENV['RBX_NO_PROFILER']
end
task :strict_flags => "build:debug_flags" do
FLAGS.concat %w[ -Wextra -Wno-unused-parameter ]
end
task :ridiculous_flags => "build:strict_flags" do
FLAGS.concat %w[ -Weffc++ ]
end
desc "Print more information about the build task options."
task :help do
puts <<-ENDHELP
There are five ways to build the VM. Each of the last three
special tasks is cumulative with the one(s) above it:
Users
-------
build Build normal, optimized image.
Developers
------------
build:inline Use to check if any methods requested to be
inlined were not. The image is otherwise the
normal optimized one.
build:debug Use when you need to debug in GDB. Builds an
image with debugging symbols, optimizations
are disabled and more warnings emitted by the
compiler. Also adds defines to turn on stats.
build:stats Use when you want to enable various VM stats,
like garbage collector or JIT stats. The build
is optimized but adds defines to turn on stats.
build:strict Use to check for and fix potential problems
in the codebase. Shows many more warnings.
build:ridiculous Use to enforce good practices. Adds warnings
for not abiding by "Efficient C++" guidelines
and treats all warnings as errors. It may be
necessary to disable some warning types for
this build.
Notes:
- If you do not want to use --trace but do want to see the exact
shell commands issued for compilation, invoke Rake thus:
`rake build:debug -- -v`
ENDHELP
end
namespace :ffi do
FFI_PREPROCESSABLES = %w[ lib/etc.rb
lib/fcntl.rb
lib/syslog.rb
lib/zlib.rb
]
# Generate the .rb files from lib/*.rb.ffi
task :preprocessor => FFI_PREPROCESSABLES
FFI::Generator::Task.new FFI_PREPROCESSABLES
end
end
# Compilation tasks
rule '.o' do |t|
obj = t.name
src = t.prerequisites.find { |f| f =~ /#{File.basename obj, '.o'}\.((c(pp)?)|S)$/}
compile_c obj, src
end
rule '.S' do |t|
obj = t.name
src = obj.gsub(/\.S$/, ".cpp")
compile_c obj, src, "S"
end
def files(targets, dependencies=nil, &block)
targets.each do |target|
if dependencies then
file target => dependencies, &block
else
file target, &block
end
end
end
directory "vm/gen"
file "vm/type_info.o" => "vm/gen/typechecks.gen.cpp"
file "vm/primitives.hpp" => "vm/gen/primitives_declare.hpp"
files Dir["vm/builtin/*.hpp"], INSN_GEN
files vm_objs, vm_srcs
objs.zip(srcs).each do |obj, src|
file obj => src
end
objs.zip(srcs).each do |obj, src|
file "#{File.basename obj, '.o'}.S" => src
end
files EXTERNALS do |t|
path = File.join(*split_all(t.name)[0..2])
configure_path = File.join(path, 'configure')
if File.exist? configure_path then
sh "cd #{path}; ./configure && #{make}"
else
sh "cd #{path}; #{make}"
end
end
file 'vm/primitives.o' => 'vm/codegen/field_extract.rb'
file 'vm/primitives.o' => TYPE_GEN
file 'vm/codegen/field_extract.rb' => 'vm/gen'
task :run_field_extract do
field_extract field_extract_headers
end
files TYPE_GEN, field_extract_headers + %w[vm/codegen/field_extract.rb] + [:run_field_extract] do
end
file 'vm/vm' => EXTERNALS + objs + vm_objs do |t|
ld t
end
file 'vm/gen/primitives_glue.gen.cpp' => hdrs
file 'vm/test/runner.cpp' => tests + objs do
tests = tests.sort
puts "GEN vm/test/runner.cpp" unless $verbose
tests << { :verbose => $verbose }
sh("vm/test/cxxtest/cxxtestgen.pl", "--error-printer", "--have-eh",
"--abort-on-fail", "-include=string.h", "-include=stdlib.h",
"-include=vm/test/test_setup.h",
"-o", "vm/test/runner.cpp", *tests)
end
file 'vm/test/runner.o' => 'vm/test/runner.cpp' # no rule .o => .cpp
file 'vm/test/runner' => EXTERNALS + objs + %w[vm/test/runner.o] do |t|
ld t
end
# A simple JIT tester driver
file 'vm/drivers/compile.o' => 'vm/drivers/compile.cpp'
file 'vm/compile' => EXTERNALS + objs + %w[vm/drivers/compile.o] do |t|
ld t
end
# Generate files for instructions and interpreters
iparser = InstructionParser.new "vm/instructions.def"
def generate_instruction_file(parser, generator, name)
puts "GEN #{name}"
parser.parse
parser.send generator, name
end
insn_deps = %w[ vm/gen
vm/instructions.def
rakelib/instruction_parser.rb
]
file "lib/compiler/opcodes.rb" => insn_deps do |t|
generate_instruction_file iparser, :generate_opcodes, t.name
end
file "lib/compiler/generator_methods.rb" => insn_deps do |t|
generate_instruction_file iparser, :generate_generator_methods, t.name
end
file "vm/gen/instruction_names.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_names_header, t.name
end
file "vm/gen/instruction_names.cpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_names, t.name
end
file "vm/gen/instruction_prototypes.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_prototypes, t.name
end
file "vm/gen/instruction_sizes.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_sizes, t.name
end
file "vm/gen/instruction_defines.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_defines, t.name
end
file "vm/gen/instruction_locations.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_locations, t.name
end
file "vm/gen/instruction_implementations.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_implementations , t.name
end
file "vm/gen/instruction_visitors.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_visitors, t.name
end
file "vm/gen/instruction_effects.hpp" => insn_deps do |t|
generate_instruction_file iparser, :generate_stack_effects, t.name
end
namespace :vm do
desc 'Run all VM tests. Uses its argument as a filter of tests to run.'
task :test, :filter do |task, args|
ENV['SUITE'] = args[:filter] if args[:filter]
ENV['VERBOSE'] = '1' if $verbose
sh 'vm/test/runner', :verbose => $verbose
end
task :test => %w[ build:debug_flags vm/test/runner ]
task :coverage do
Dir.mkdir "vm/test/coverage" unless File.directory? "vm/test/coverage"
link_opts = llvm_link_flags()
flags = (INCLUDES + FLAGS + llvm_flags).join(' ')
puts "CC/LD vm/test/coverage/runner"
begin
path = "vm/instructions.cpp"
sh "#{CXX} -fprofile-arcs -ftest-coverage #{flags} -o vm/test/coverage/runner vm/test/runner.cpp vm/*.cpp vm/builtin/*.cpp #{path} #{link_opts} #{(ex_libs + EXTERNALS).join(' ')}"
puts "RUN vm/test/coverage/runner"
sh "vm/test/coverage/runner"
if $verbose
sh "vm/test/lcov/bin/lcov --directory . --capture --output-file vm/test/coverage/app.info"
else
sh "vm/test/lcov/bin/lcov --directory . --capture --output-file vm/test/coverage/app.info > /dev/null 2>&1"
end
puts "GEN vm/test/coverage/index.html"
if $verbose
sh "cd vm/test/coverage; ../lcov/bin/genhtml app.info"
else
sh "cd vm/test/coverage; ../lcov/bin/genhtml app.info > /dev/null 2>&1"
end
ensure
sh "rm -f *.gcno *.gcda"
end
end
desc "Clean up vm build files"
task :clean do
files = FileList[
objs,
vm_objs,
dep_file,
TYPE_GEN,
INSN_GEN,
'vm/gen/*',
'vm/test/runner',
'vm/test/runner.cpp',
'vm/test/runner.o',
'vm/vm',
'vm/.deps'
].exclude("vm/gen/config.h")
files.each do |filename|
rm_rf filename, :verbose => $verbose
end
end
desc "Clean up, including all external libs"
task :distclean => :clean do
EXTERNALS.each do |lib|
path = File.join(*(lib.split(File::SEPARATOR)[0..-2].reject{|i| i =~ /^\./}))
system "cd #{path}; #{make} clean || true"
end
end
desc "Show which primitives are missing"
task :missing_primitives do
kernel_files = FileList['kernel/**/*.rb'].join " "
kernel_primitives = `grep 'Ruby.primitive' #{kernel_files} | awk '{ print $3 }'`
kernel_primitives = kernel_primitives.gsub(':', '').split("\n").sort.uniq
cpp_primitives = `grep 'Ruby.primitive' vm/builtin/*.hpp | awk '{ print $4 }'`
cpp_primitives = cpp_primitives.gsub(':', '').split("\n").sort.uniq
missing = kernel_primitives - cpp_primitives
puts missing.join("\n")
end
end
############################################################$
# Importers & Methods:
require 'rake/loaders/makefile'
require 'rakelib/dependency_grapher'
generated = (TYPE_GEN + INSN_GEN).select { |f| f =~ /pp$/ }
object_sources = srcs + vm_srcs + generated
# vm/.depends.mf depends on all source and include files. If any of
# those files are newer than vm/.depends.mf, all dependencies are
# recalculated.
file dep_file => hdrs + object_sources do |t|
warn "Updating dependencies..."
directories = ".", "vm", "vm/capi/include"
defines = FLAGS.join ' '
grapher = DependencyGrapher.new object_sources, directories, defines
grapher.process
File.open t.name, "w" do |file|
grapher.print_dependencies file
end
end
def ex_libs # needs to be method to delay running of llvm_config
unless defined? $ex_libs then
$ex_libs = EXTERNALS.reverse
if File.directory?("/usr/local/lib")
$ex_libs << "-L/usr/local/lib"
end
if File.directory?("/opt/local/lib")
$ex_libs << "-L/opt/local/lib"
end
$ex_libs << "-ldl" unless RUBY_PLATFORM =~ /bsd/
$ex_libs << "-lcrypt" if RUBY_PLATFORM =~ /bsd/ && RUBY_PLATFORM !~ /openbsd/
$ex_libs << "-lcrypto -pthread -lssl" if RUBY_PLATFORM =~ /openbsd/
$ex_libs << "-lexecinfo" if RUBY_PLATFORM =~ /bsd/ && Rubinius::BUILD_CONFIG[:defines].include?('HAS_EXECINFO')
$ex_libs << "-lrt -lcrypt" if RUBY_PLATFORM =~ /linux/
$ex_libs += llvm_lib_files
end
$ex_libs
end
def field_extract(headers)
headers += [{ :verbose => $verbose}]
ruby('vm/codegen/field_extract.rb', *headers)
end