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ruby--ruby/tool/insns2vm.rb
nobu d942a9a1ee * vm_evalbody.ci, insns.def, vm.c, tool/insns2vm.rb (rb_num_t):
renamed to get rid of name clash.  [ruby-dev:30504]

* yarvcore.c (ruby_thread_init): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2007-05-03 09:09:14 +00:00

1322 lines
30 KiB
Ruby

#!/usr/bin/env ruby
#
#
#
# $verbose = true
# $use_const = true
Version = %w$Revision: 11626 $[1..-1]
require 'pp'
require 'erb'
require 'optparse'
module VPATH
def search(meth, base, *rest)
begin
meth.call(base, *rest)
rescue Errno::ENOENT => error
each do |dir|
return meth.call(File.join(dir, base), *rest) rescue nil
end
raise error
end
end
def process(*args, &block)
search(File.method(__callee__), *args, &block)
end
alias stat process
alias lstat process
def open(*args)
f = search(File.method(:open), *args)
if block_given?
begin
yield f
ensure
f.close unless f.closed?
end
else
f
end
end
def read(*args)
open(*args) {|f| f.read}
end
def foreach(file, *args, &block)
open(file) {|f| f.each(*args, &block)}
end
def self.def_options(opt)
vpath = []
path_sep = ':'
opt.on("-I", "--srcdir=DIR", "add a directory to search path") {|dir|
vpath |= [dir]
}
opt.on("-L", "--vpath=PATH LIST", "add directories to search path") {|dirs|
vpath |= dirs.split(path_sep)
}
opt.on("--path-separator=SEP", /\A\W\z/, "separator for vpath") {|sep|
path_sep = sep
}
proc {
vpath.extend(self) unless vpath.empty?
}
end
end
class InsnsDef
class InsnInfo
def initialize name, opes, pops, rets, comm, body, tvars, sp_inc,
orig = self, defopes = [], type = nil,
nsc = [], psc = [[], []]
@name = name
@opes = opes # [[type, name], ...]
@pops = pops # [[type, name], ...]
@rets = rets # [[type, name], ...]
@comm = comm # {:c => category, :e => en desc, :j => ja desc}
@body = body # '...'
@orig = orig
@defopes = defopes
@type = type
@tvars = tvars
@nextsc = nsc
@pushsc = psc
@sc = []
@unifs = []
@optimized = []
@is_sc = false
@sp_inc = sp_inc
end
def add_sc sci
@sc << sci
sci.set_sc
end
attr_reader :name, :opes, :pops, :rets
attr_reader :body, :comm
attr_reader :nextsc, :pushsc
attr_reader :orig, :defopes, :type
attr_reader :sc
attr_reader :unifs, :optimized
attr_reader :is_sc
attr_reader :tvars
attr_reader :sp_inc
def set_sc
@is_sc = true
end
def add_unif insns
@unifs << insns
end
def add_optimized insn
@optimized << insn
end
def sp_increase_c_expr
if(pops.any?{|t, v| v == '...'} ||
rets.any?{|t, v| v == '...'})
# user definision
raise "no sp increase definition" if @sp_inc.nil?
ret = "int inc = 0;\n"
@opes.each_with_index{|(t, v), i|
if t == 'rb_num_t'
ret << " unsigned long #{v} = FIX2INT(opes[#{i}]);\n"
end
}
@defopes.each_with_index{|((t, var), val), i|
if t == 'rb_num_t' && val != '*'
ret << " unsigned long #{var} = #{val};\n"
end
}
ret << " #{@sp_inc};\n"
ret << " return depth + inc;"
ret
else
"return depth + #{rets.size - pops.size};"
end
end
def inspect
"#<InsnInfo:#{@name}>"
end
end
def initialize file, optopfile, uniffile, opts = {}
@insns = []
@insn_map = {}
@vpath = opts['VPATH'] || File
@use_const = opts['use-const']
@verbose = opts['verbose']
(@vm_opts = load_vm_opts).each {|k, v|
@vm_opts[k] = opts[k] if opts.key?(k)
}
load_insns_def file
load_opt_operand_def optopfile
load_insn_unification_def uniffile
make_stackcaching_insns if vm_opt?('STACK_CACHING')
end
attr_reader :insns
attr_reader :insn_map
attr_reader :vpath
%w[use_const verbose].each do |attr|
attr_reader attr
alias_method "#{attr}?", attr
remove_method attr
end
def vm_opt? name
@vm_opts[name]
end
def load_vm_opts file = nil
file ||= 'vm_opts.h'
opts = {}
vpath.open(file) do |f|
f.grep(/^\#define\s+OPT_([A-Z_]+)\s+(\d+)/) do
opts[$1] = !$2.to_i.zero?
end
end
opts
end
SKIP_COMMENT_PATTERN = Regexp.compile(Regexp.escape('/** ##skip'))
include Enumerable
def each
@insns.each{|insn|
yield insn
}
end
def add_insn insn
@insns << insn
@insn_map[insn.name] = insn
end
def make_insn name, opes, pops, rets, comm, body, sp_inc
add_insn InsnInfo.new(name, opes, pops, rets, comm, body, [], sp_inc)
end
# str -> [[type, var], ...]
def parse_vars line
raise unless /\((.*?)\)/ =~ line
vars = $1.split(',')
vars.map!{|v|
if /\s*(\S+)\s+(\S+)\s*/ =~ v
type = $1
var = $2
elsif /\s*\.\.\.\s*/ =~ v
type = var = '...'
else
raise
end
[type, var]
}
vars
end
def parse_comment comm
c = 'others'
j = ''
e = ''
comm.each_line{|line|
case line
when /@c (.+)/
c = $1
when /@e (.+)/
e = $1
when /@e\s*$/
e = ''
when /@j (.+)$/
j = $1
when /@j\s*$/
j = ''
end
}
{ :c => c,
:e => e,
:j => j,
}
end
def load_insns_def file
body = insn = opes = pops = rets = nil
comment = ''
vpath.open(file) {|f|
f.instance_variable_set(:@line_no, 0)
class << f
def line_no
@line_no
end
def gets
@line_no += 1
super
end
end
while line = f.gets
line.chomp!
case line
when SKIP_COMMENT_PATTERN
while line = f.gets.chomp
if /\s+\*\/$/ =~ line
break
end
end
# collect instruction comment
when /^\/\*\*$/
while line = f.gets
if /\s+\*\/\s*$/ =~ line
break
else
comment << line
end
end
# start instruction body
when /^DEFINE_INSN$/
insn = f.gets.chomp
opes = parse_vars(f.gets.chomp)
pops = parse_vars(f.gets.chomp).reverse
rets_str = f.gets.chomp
rets = parse_vars(rets_str).reverse
comment = parse_comment(comment)
insn_in = true
body = ''
if /\/\/(.+)/ =~ rets_str
sp_inc = $1
else
sp_inc = nil
end
raise unless /^\{$/ =~ f.gets.chomp
line_no = f.line_no
# end instruction body
when /^\}/
if insn_in
body.instance_variable_set(:@line_no, line_no)
body.instance_variable_set(:@file, f.path)
insn = make_insn(insn, opes, pops, rets, comment, body, sp_inc)
insn_in = false
comment = ''
end
#
else
if insn_in
body << line + "\n"
end
end
end
}
end
## opt op
def load_opt_operand_def file
vpath.foreach(file) {|line|
line = line.gsub(/\#.*/, '').strip
next if line.length == 0
break if /__END__/ =~ line
/(\S+)\s+(.+)/ =~ line
insn = $1
opts = $2
add_opt_operand insn, opts.split(/,/).map{|e| e.strip}
}
end
def label_escape label
label.gsub(/\(/, '_O_').
gsub(/\)/, '_C_').
gsub(/\*/, '_WC_')
end
def add_opt_operand insn_name, opts
insn = @insn_map[insn_name]
opes = insn.opes
if opes.size != opts.size
raise "operand size mismatcvh for #{insn.name} (opes: #{opes.size}, opts: #{opts.size})"
end
ninsn = insn.name + '_OP_' + opts.map{|e| label_escape(e)}.join('_')
nopes = []
defv = []
opts.each_with_index{|e, i|
if e == '*'
nopes << opes[i]
end
defv << [opes[i], e]
}
make_insn_operand_optimiized(insn, ninsn, nopes, defv)
end
def make_insn_operand_optimiized orig_insn, name, opes, defopes
comm = orig_insn.comm.dup
comm[:c] = 'optimize'
add_insn insn = InsnInfo.new(
name, opes, orig_insn.pops, orig_insn.rets, comm,
orig_insn.body, orig_insn.tvars, orig_insn.sp_inc,
orig_insn, defopes)
orig_insn.add_optimized insn
end
## insn unif
def load_insn_unification_def file
vpath.foreach(file) {|line|
line = line.gsub(/\#.*/, '').strip
next if line.length == 0
break if /__END__/ =~ line
make_unified_insns line.split.map{|e|
raise "unknown insn: #{e}" unless @insn_map[e]
@insn_map[e]
}
}
end
def all_combination sets
ret = sets.shift.map{|e| [e]}
sets.each{|set|
prev = ret
ret = []
prev.each{|ary|
set.each{|e|
eary = ary.dup
eary << e
ret << eary
}
}
}
ret
end
def make_unified_insns insns
if vm_opt?('UNIFY_ALL_COMBINATION')
insn_sets = insns.map{|insn|
[insn] + insn.optimized
}
all_combination(insn_sets).each{|insns_set|
make_unified_insn_each insns_set
}
else
make_unified_insn_each insns
end
end
def mk_private_val vals, i, redef
vals.dup.map{|v|
# v[0] : type
# v[1] : var name
v = v.dup
if v[0] != '...'
redef[v[1]] = v[0]
v[1] = "#{v[1]}_#{i}"
end
v
}
end
def mk_private_val2 vals, i, redef
vals.dup.map{|v|
# v[0][0] : type
# v[0][1] : var name
# v[1] : default val
pv = v.dup
v = pv[0] = pv[0].dup
if v[0] != '...'
redef[v[1]] = v[0]
v[1] = "#{v[1]}_#{i}"
end
pv
}
end
def make_unified_insn_each insns
names = []
opes = []
pops = []
rets = []
comm = {
:c => 'optimize',
:e => 'unified insn',
:j => 'unified insn',
}
body = ''
passed = []
tvars = []
defopes = []
sp_inc = ''
insns.each_with_index{|insn, i|
names << insn.name
redef_vars = {}
e_opes = mk_private_val(insn.opes, i, redef_vars)
e_pops = mk_private_val(insn.pops, i, redef_vars)
e_rets = mk_private_val(insn.rets, i, redef_vars)
# ToDo: fix it
e_defs = mk_private_val2(insn.defopes, i, redef_vars)
passed_vars = []
while pvar = e_pops.pop
rvar = rets.pop
if rvar
raise "unsupported unif insn: #{insns.inspect}" if rvar[0] == '...'
passed_vars << [pvar, rvar]
tvars << rvar
else
e_pops.push pvar
break
end
end
opes.concat e_opes
pops.concat e_pops
rets.concat e_rets
defopes.concat e_defs
sp_inc += "#{insn.sp_inc}"
body += #
"{ /* unif: #{i} */\n" +
passed_vars.map{|rpvars|
pv = rpvars[0]
rv = rpvars[1]
"#define #{pv[1]} #{rv[1]}"
}.join("\n") +
"\n" +
redef_vars.map{|v, type|
"#define #{v} #{v}_#{i}"
}.join("\n") + "\n" +
insn.body +
passed_vars.map{|rpvars|
"#undef #{rpvars[0][1]}"
}.join("\n") +
"\n" +
redef_vars.keys.map{|v|
"#undef #{v}"
}.join("\n") +
"\n}\n"
}
tvars_ary = []
tvars.each{|tvar|
unless opes.any?{|var|
var[1] == tvar[1]
} || defopes.any?{|pvar|
pvar[0][1] == tvar[1]
}
tvars_ary << tvar
end
}
add_insn insn = InsnInfo.new("UNIFIED_" + names.join('_'),
opes, pops, rets.reverse, comm, body,
tvars_ary, sp_inc)
insn.defopes.replace defopes
insns[0].add_unif [insn, insns]
end
## sc
SPECIAL_INSN_FOR_SC_AFTER = {
/\Asend/ => [:a],
/\Aend/ => [:a],
/\Ayield/ => [:a],
/\Aclassdef/ => [:a],
/\Amoduledef/ => [:a],
}
FROM_SC = [[], [:a], [:b], [:a, :b], [:b, :a]]
def make_stackcaching_insns
pops = rets = nil
@insns.dup.each{|insn|
opops = insn.pops
orets = insn.rets
oopes = insn.opes
ocomm = insn.comm
after = nil
SPECIAL_INSN_FOR_SC_AFTER.any?{|k, v|
if k =~ insn.name
after = v
break
end
}
insns = []
FROM_SC.each{|from|
name, pops, rets, pushs1, pushs2, nextsc =
*calc_stack(insn, from, after, opops, orets)
#
make_insn_sc(insn, name, oopes, pops, rets, [pushs1, pushs2], nextsc)
}
}
# exit! 1
end
def make_insn_sc orig_insn, name, opes, pops, rets, pushs, nextsc
comm = orig_insn.comm.dup
comm[:c] = 'optimize(sc)'
scinsn = InsnInfo.new(
name, opes, pops, rets, comm,
orig_insn.body, orig_insn.tvars, orig_insn.sp_inc,
orig_insn, orig_insn.defopes, :sc, nextsc, pushs)
add_insn scinsn
#
orig_insn.add_sc scinsn
end
def complement_name st
"#{st[0] ? st[0] : 'x'}#{st[1] ? st[1] : 'x'}"
end
def add_stack_value st
len = st.length
if len == 0
st[0] = :a
[nil, :a]
elsif len == 1
if st[0] == :a
st[1] = :b
else
st[1] = :a
end
[nil, st[1]]
else
st[0], st[1] = st[1], st[0]
[st[1], st[1]]
end
end
def calc_stack insn, ofrom, oafter, opops, orets
from = ofrom.dup
pops = opops.dup
rets = orets.dup
rest_scr = ofrom.dup
pushs_before = []
pushs= []
pops.each_with_index{|e, i|
if e[0] == '...'
pushs_before = from
from = []
end
r = from.pop
break unless r
pops[i] = pops[i].dup << r
}
if oafter
from = oafter
from.each_with_index{|r, i|
rets[i] = rets[i].dup << r if rets[i]
}
else
rets = rets.reverse
rets.each_with_index{|e, i|
break if e[0] == '...'
pushed, r = add_stack_value from
rets[i] = rets[i].dup << r
if pushed
if rest_scr.pop
pushs << pushed
end
if i - 2 >= 0
rets[i-2].pop
end
end
}
end
if false #|| insn.name =~ /test3/
p ofrom
p pops
p rets
p pushs_before
p pushs
p from
exit
end
ret = ["#{insn.name}_SC_#{complement_name(ofrom)}_#{complement_name(from)}",
pops, rets, pushs_before, pushs, from]
#p ret
ret
end
###################################################################
# vm.inc
def make_header_prepare_stack insn
ret = []
push_ba = insn.pushsc
raise "unsupport" if push_ba[0].size > 0 && push_ba[1].size > 0
push_ba.each{|pushs|
pushs.each{|r|
ret << " PUSH(SCREG(#{r}));"
}
}
ret.join("\n") + "\n"
end
def make_header_operands insn
vars = insn.opes
n = 0
ops = []
vars.each_with_index{|(type, var), i|
if type == '...'
break
end
ops << " #{type} #{var} = (#{type})GET_OPERAND(#{i+1});"
n += 1
}
@opn = n
# reverse or not?
# ops.join
ops.reverse.join("\n") + "\n"
end
def make_header_default_operands insn
ret = []
vars = insn.defopes
vars.each{|e|
next if e[1] == '*'
if use_const?
ret << " const #{e[0][0]} #{e[0][1]} = #{e[1]};"
else
ret << " #define #{e[0][1]} #{e[1]}"
end
}
ret.join("\n") + "\n"
end
def make_footer_default_operands insn
if use_const?
"\n"
else
ret = []
vars = insn.defopes
vars.each{|e|
next if e[1] == '*'
ret << "#undef #{e[0][1]}\n"
}
ret.join("\n") + "\n"
end
end
def make_header_stack_pops insn
n = 0
pops = []
vars = insn.pops
vars.each_with_index{|iter, i|
type, var, r = *iter
if type == '...'
break
end
if r
pops << " #{type} #{var} = SCREG(#{r});"
else
pops << " #{type} #{var} = TOPN(#{n});"
n += 1
end
}
@popn = n
# reverse or not?
pops.reverse.join("\n") + "\n"
end
def make_header_temporary_vars insn
ret = []
insn.tvars.each{|var|
ret << " #{var[0]} #{var[1]};"
}
ret.join("\n") + "\n"
end
def make_header_stack_val insn
ret = []
vars = insn.opes + insn.pops + insn.defopes.map{|e| e[0]}
insn.rets.each{|var|
if vars.all?{|e| e[1] != var[1]} && var[1] != '...'
ret << " #{var[0]} #{var[1]};"
end
}
ret.join("\n") + "\n"
end
def make_footer_stack_val insn
ret = []
insn.rets.reverse_each{|v|
if v[1] == '...'
break
end
if v[2]
ret << " SCREG(#{v[2]}) = #{v[1]};"
else
ret << " PUSH(#{v[1]});"
end
}
ret.join("\n") + "\n"
end
def make_header insn
ret = "\nINSN_ENTRY(#{insn.name}){\n"
ret += " /* prepare stack status */\n" if verbose?
ret += make_header_prepare_stack insn
ret += "{\n"
ret += " /* declare stack push val */\n" if verbose?
ret += make_header_stack_val insn
ret += " /* declare and initialize default opes */\n" if verbose?
ret += make_header_default_operands insn
ret += " /* declare and get from iseq */\n" if verbose?
ret += make_header_operands insn
ret += " /* declare and pop from stack */\n" if verbose?
ret += make_header_stack_pops insn
ret += " /* declare temporary vars */\n" if verbose?
ret += make_header_temporary_vars insn
ret += " /* for debug */\n" if verbose?
ret += " DEBUG_ENTER_INSN(\"#{insn.name}\");\n"
ret += " /* management */\n" if verbose?
ret += " ADD_PC(1+#{@opn});\n"
ret += " PREFETCH(GET_PC());\n"
ret += " POPN(#{@popn});\n" if @popn > 0
ret += " #define CURRENT_INSN_#{insn.name} 1\n"
ret += " #define INSN_IS_SC() #{insn.sc ? 0 : 1}\n"
ret += " #define INSN_LABEL(lab) LABEL_#{insn.name}_##lab\n"
ret += " #define LABEL_IS_SC(lab) LABEL_##lab##_###{insn.sc.size == 0 ? 't' : 'f'}\n"
ret += " USAGE_ANALYSIS_INSN(BIN(#{insn.name}));\n"
insn.opes.each_with_index{|op, i|
ret += " USAGE_ANALYSIS_OPERAND(BIN(#{insn.name}), #{i}, #{op[1]});\n"
}
ret += "{\n"
end
def make_footer insn
ret = ''
ret = " /* push stack val */\n" if verbose?
ret += make_footer_stack_val insn
# debug info
# epilogue
ret += make_footer_default_operands insn
ret += "#undef CURRENT_INSN_#{insn.name}\n"
ret += "#undef INSN_IS_SC\n"
ret += "#undef INSN_LABEL\n"
ret += "#undef LABEL_IS_SC\n"
ret += " END_INSN(#{insn.name});\n}}\n"
ret += "}\n"
end
def make_insn_def insn
ret = make_header insn
if line = insn.body.instance_variable_get(:@line_no)
file = insn.body.instance_variable_get(:@file)
ret << "#line #{line+1} \"#{file}\"" << "\n"
ret << insn.body
ret << '#line __CURRENT_LINE__ "vm.inc"' << "\n"
else
ret << insn.body
end
ret << make_footer(insn)
end
# vm.inc
def vm_inc
vm_body = ''
@insns.each{|insn|
vm_body << "\n"
vm_body << make_insn_def(insn)
}
src = vpath.read('template/vm.inc.tmpl')
ERB.new(src).result(binding)
end
###################################################################
# vmtc.inc
def vmtc_inc
insns_table = ''
insns_end_table = ''
@insns.each{|insn|
insns_table << " LABEL_PTR(#{insn.name}),\n"
}
@insns.each{|insn|
insns_end_table << " ELABEL_PTR(#{insn.name}),\n"
}
ERB.new(vpath.read('template/vmtc.inc.tmpl')).result(binding)
end
###################################################################
# insns_info.inc
def op2typesig op
case op
when /^OFFSET/
"TS_OFFSET"
when /^rb_num_t/
"TS_NUM"
when /^lindex_t/
"TS_LINDEX"
when /^dindex_t/
"TS_DINDEX"
when /^VALUE/
"TS_VALUE"
when /^ID/
"TS_ID"
when /GENTRY/
"TS_GENTRY"
when /^IC/
"TS_IC"
when /^\.\.\./
"TS_VARIABLE"
when /^CDHASH/
"TS_CDHASH"
when /^ISEQ/
"TS_ISEQ"
else
raise "unknown op type: #{op}"
end
end
TYPE_CHARS = {
'TS_OFFSET' => 'O',
'TS_NUM' => 'N',
'TS_LINDEX' => 'L',
'TS_DINDEX' => 'D',
'TS_VALUE' => 'V',
'TS_ID' => 'I',
'TS_GENTRY' => 'G',
'TS_IC' => 'C',
'TS_CDHASH' => 'H',
'TS_ISEQ' => 'S',
'TS_VARIABLE' => '.',
}
# insns_info.inc
def insns_info_inc
# insn_type_chars
insn_type_chars = TYPE_CHARS.map{|t, c|
"#define #{t} '#{c}'"
}.join("\n")
# insn_names
insn_names = ''
@insns.each{|insn|
insn_names << " \"#{insn.name}\",\n"
}
# operands info
operands_info = ''
operands_num_info = ''
@insns.each{|insn|
opes = insn.opes
operands_info << ' '
ot = opes.map{|type, var|
TYPE_CHARS.fetch(op2typesig(type))
}
operands_info << "\"#{ot.join}\"" << ", \n"
num = opes.size + 1
operands_num_info << " #{num},\n"
}
# stack num
stack_num_info = ''
@insns.each{|insn|
num = insn.rets.size
stack_num_info << " #{num},\n"
}
# stack increase
stack_increase = ''
@insns.each{|insn|
stack_increase << <<-EOS
case BIN(#{insn.name}):{
#{insn.sp_increase_c_expr}
}
EOS
}
ERB.new(vpath.read('template/insns_info.inc.tmpl')).result(binding)
end
###################################################################
# insns.inc
def insns_inc
insns = ''
i=0
@insns.each{|insn|
insns << " %-30s = %d,\n" % ["BIN(#{insn.name})", i]
i+=1
}
ERB.new(vpath.read('template/insns.inc.tmpl')).result(binding)
end
###################################################################
# minsns.inc
def minsns_inc
defs = ''
i=0
@insns.each{|insn|
defs << " rb_define_const(mYarvInsns, %-30s, INT2FIX(%d));\n" %
["\"I#{insn.name}\"", i]
i+=1
}
ERB.new(vpath.read('template/minsns.inc.tmpl')).result(binding)
end
###################################################################
# optinsn.inc
def val_as_type op
type = op[0][0]
val = op[1]
case type
when /^long/, /^rb_num_t/, /^lindex_t/, /^dindex_t/
"INT2FIX(#{val})"
when /^VALUE/
val
when /^ID/
"INT2FIX(#{val})"
when /^ISEQ/
val
when /GENTRY/
raise
when /^\.\.\./
raise
else
raise "type: #{type}"
end
end
# optinsn.inc
def optinsn_inc
rule = ''
opt_insns_map = Hash.new{|h, k| h[k] = []}
@insns.each{|insn|
next if insn.defopes.size == 0
next if insn.type == :sc
next if /^UNIFIED/ =~ insn.name.to_s
originsn = insn.orig
opt_insns_map[originsn] << insn
}
opt_insns_map.each{|originsn, optinsns|
rule += "case BIN(#{originsn.name}):\n"
optinsns.sort_by{|opti|
opti.defopes.find_all{|e| e[1] == '*'}.size
}.each{|opti|
rule += " if(\n"
i = 0
rule += ' ' + opti.defopes.map{|opinfo|
i += 1
next if opinfo[1] == '*'
"insnobj->operands[#{i-1}] == #{val_as_type(opinfo)}\n"
}.compact.join('&& ')
rule += " ){\n"
idx = 0
n = 0
opti.defopes.each{|opinfo|
if opinfo[1] == '*'
if idx != n
rule += " insnobj->operands[#{idx}] = insnobj->operands[#{n}];\n"
end
idx += 1
else
# skip
end
n += 1
}
rule += " insnobj->insn_id = BIN(#{opti.name});\n"
rule += " insnobj->operand_size = #{idx};\n"
rule += " break;\n }\n"
}
rule += " break;\n";
}
ERB.new(vpath.read('template/optinsn.inc.tmpl')).result(binding)
end
###################################################################
# optunifs.inc
def optunifs_unc
unif_insns_each = ''
unif_insns = ''
unif_insns_data = []
insns = find_all{|insn| !insn.is_sc}
insns.each{|insn|
size = insn.unifs.size
if size > 0
insn.unifs.sort_by{|unif| -unif[1].size}.each_with_index{|unif, i|
uni_insn, uni_insns = *unif
uni_insns = uni_insns[1..-1]
unif_insns_each << "static int UNIFIED_#{insn.name}_#{i}[] = {" +
" BIN(#{uni_insn.name}), #{uni_insns.size + 2}, \n " +
uni_insns.map{|e| "BIN(#{e.name})"}.join(", ") + "};\n"
}
else
end
if size > 0
unif_insns << "static int *UNIFIED_#{insn.name}[] = {(int *)#{size+1}, \n"
unif_insns << (0...size).map{|e| " UNIFIED_#{insn.name}_#{e}"}.join(",\n") + "};\n"
unif_insns_data << " UNIFIED_#{insn.name}"
else
unif_insns_data << " 0"
end
}
unif_insns_data = "static int **unified_insns_data[] = {\n" +
unif_insns_data.join(",\n") + "};\n"
ERB.new(vpath.read('template/optunifs.inc.tmpl')).result(binding)
end
###################################################################
# opt_sc.inc
def opt_sc_inc
sc_insn_info = []
@insns.each{|insn|
insns = insn.sc
if insns.size > 0
insns = ['SC_ERROR'] + insns.map{|e| " BIN(#{e.name})"}
else
insns = Array.new(6){'SC_ERROR'}
end
sc_insn_info << " {\n#{insns.join(",\n")}}"
}
sc_insn_info = sc_insn_info.join(",\n")
sc_insn_next = @insns.map{|insn|
" SCS_#{complement_name(insn.nextsc).upcase}" +
(verbose? ? " /* #{insn.name} */" : '')
}.join(",\n")
ERB.new(vpath.read('template/opt_sc.inc.tmpl')).result(binding)
end
###################################################################
# yasmdata.rb
def yasmdata_rb
insn_id2no = ''
@insns.each_with_index{|insn, i|
insn_id2no << " :#{insn.name} => #{i},\n"
}
ERB.new(vpath.read('template/yasmdata.rb.tmpl')).result(binding)
end
###################################################################
# yarvarch.*
def desc lang
d = ''
i = 0
cat = nil
@insns.each{|insn|
seq = insn.opes.map{|t,v| v}.join(' ')
before = insn.pops.reverse.map{|t,v| v}.join(' ')
after = insn.rets.reverse.map{|t,v| v}.join(' ')
if cat != insn.comm[:c]
d << "** #{insn.comm[:c]}\n\n"
cat = insn.comm[:c]
end
d << "*** #{insn.name}\n"
d << "\n"
d << insn.comm[lang] + "\n\n"
d << ":instruction sequence: 0x%02x #{seq}\n" % i
d << ":stack: #{before} => #{after}\n\n"
i+=1
}
d
end
def desc_ja
d = desc :j
ERB.new(vpath.read('template/yarvarch.ja')).result(binding)
end
def desc_en
d = desc :e
ERB.new(vpath.read('template/yarvarch.en')).result(binding)
end
def vm_macro_inc
ret = ''
flag = false
vpath.foreach('vm_macro.def') {|line|
line.rstrip!
if /^MACRO\s/ =~ line
line.sub!(/^MACRO/, '#define')
flag = true
elsif /^\}/ =~ line
flag = false
end
ret << line + (flag ? " \\" : '') + "\n"
}
ret
end
Files = { # codes
'vm.inc' => :vm_inc,
'vmtc.inc' => :vmtc_inc,
'insns.inc' => :insns_inc,
'insns_info.inc' => :insns_info_inc,
# 'minsns.inc' => :minsns_inc,
'optinsn.inc' => :optinsn_inc,
'optunifs.inc' => :optunifs_unc,
'opt_sc.inc' => :opt_sc_inc,
'yasmdata.rb' => :yasmdata_rb,
'vm_macro.inc' => :vm_macro_inc,
}
def make_sources args = []
args = Files.keys if args.empty?
args.each{|fn|
s = __send__(Files[fn])
open(fn, 'w') {|f| f.puts(s)}
}
end
def self.make_sources insns_def, opopt_def, unif_def, args = [], opts = {}
insns = InsnsDef.new(insns_def, opopt_def, unif_def, opts)
insns.make_sources(args)
end
def self.def_options(opt)
opts = {}
insns_def = 'insns.def'
opope_def = 'opt_operand.def'
unif_def = 'opt_insn_unif.def'
opt.on("-Dname", /\AOPT_(\w+)\z/, "enable VM option") {|s, v|
opts[v] = true
}
opt.on("--enable=name[,name...]", Array,
"enable VM options (without OPT_ prefix)") {|*a|
a.each {|v| opts[v] = true}
}
opt.on("-Uname", /\A\w+\z/, "disable VM option") {|s, v|
opts[v] = false
}
opt.on("--disable=name[,name...]", Array,
"disable VM options (without OPT_ prefix)") {|*a|
a.each {|v| opts[v] = false}
}
opt.on("-i", "--insnsdef=FILE", "--instructions-def",
"instructions definition file") {|n|
insns_def = n
}
opt.on("-o", "--opt-operanddef=FILE", "--opt-operand-def",
"vm option: operand definition file") {|n|
opope_def = n
}
opt.on("-u", "--opt-insnunifdef=FILE", "--opt-insn-unif-def",
"vm option: instruction unification file") {|n|
unif_def = n
}
opt.on("-C", "--[no-]use-const",
"use consts for default operands instead of macros") {|v|
opts['use-const'] = v
}
opt.on("-V", "--[no-]verbose") {|v|
opts['verbose'] = v
}
vpath = VPATH.def_options(opt)
proc {
opts['VPATH'] = vpath[]
new insns_def, opope_def, unif_def, opts
}
end
end
##############################################
def insns_def_new(argv = ARGV)
opt = OptionParser.new
insn_maker = InsnsDef.def_options(opt)
opt.parse(argv)
insn_maker[]
end
if $0 == __FILE__
opts = ARGV.options
insn_maker = InsnsDef.def_options(opts)
files = opts.parse!
insns = insn_maker[]
insns.make_sources(files)
end