diff options
Diffstat (limited to 'Source/JavaScriptCore/offlineasm/asm.rb')
| -rw-r--r-- | Source/JavaScriptCore/offlineasm/asm.rb | 132 |
1 files changed, 105 insertions, 27 deletions
diff --git a/Source/JavaScriptCore/offlineasm/asm.rb b/Source/JavaScriptCore/offlineasm/asm.rb index ed0f15340..e93d85536 100644 --- a/Source/JavaScriptCore/offlineasm/asm.rb +++ b/Source/JavaScriptCore/offlineasm/asm.rb @@ -1,6 +1,6 @@ #!/usr/bin/env ruby -# Copyright (C) 2011 Apple Inc. All rights reserved. +# Copyright (C) 2011, 2016 Apple Inc. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions @@ -28,7 +28,6 @@ $: << File.dirname(__FILE__) require "config" require "backends" require "digest/sha1" -require "fileutils" require "offsets" require "parser" require "self_hash" @@ -48,16 +47,32 @@ class Assembler @numGlobalLabels = 0 @newlineSpacerState = :none + @lastlabel = "" end - + def enterAsm - @outp.puts "OFFLINE_ASM_BEGIN" + @outp.puts "OFFLINE_ASM_BEGIN" if !$emitWinAsm + + if !$emitWinAsm + @outp.puts "OFFLINE_ASM_GLOBAL_LABEL(llintPCRangeStart)" + else + putsProc("llintPCRangeStart", "") + putsProcEndIfNeeded + end @state = :asm + SourceFile.outputDotFileList(@outp) if $enableDebugAnnotations end def leaveAsm + putsProcEndIfNeeded if $emitWinAsm + if !$emitWinAsm + @outp.puts "OFFLINE_ASM_GLOBAL_LABEL(llintPCRangeEnd)" + else + putsProc("llintPCRangeEnd", "") + putsProcEndIfNeeded + end putsLastComment - @outp.puts "OFFLINE_ASM_END" + @outp.puts "OFFLINE_ASM_END" if !$emitWinAsm @state = :cpp end @@ -85,7 +100,7 @@ class Assembler result += "#{@codeOrigin}" end if result != "" - result = "// " + result + result = $commentPrefix + " " + result end # Reset all the components that we've just sent to be dumped. @@ -138,7 +153,11 @@ class Assembler def puts(*line) raise unless @state == :asm - @outp.puts(formatDump(" \"\\t" + line.join('') + "\\n\"", lastComment)) + if !$emitWinAsm + @outp.puts(formatDump(" \"\\t" + line.join('') + "\\n\"", lastComment)) + else + @outp.puts(formatDump(" " + line.join(''), lastComment)) + end end def print(line) @@ -153,15 +172,45 @@ class Assembler end end - def putsLabel(labelName) + def putsProc(label, comment) + raise unless $emitWinAsm + @outp.puts(formatDump("#{label} PROC PUBLIC", comment)) + @lastlabel = label + end + + def putsProcEndIfNeeded + raise unless $emitWinAsm + if @lastlabel != "" + @outp.puts("#{@lastlabel} ENDP") + end + @lastlabel = "" + end + + def putsLabel(labelName, isGlobal) raise unless @state == :asm @numGlobalLabels += 1 + putsProcEndIfNeeded if $emitWinAsm and isGlobal putsNewlineSpacerIfAppropriate(:global) @internalComment = $enableLabelCountComments ? "Global Label #{@numGlobalLabels}" : nil - if /\Allint_op_/.match(labelName) - @outp.puts(formatDump("OFFLINE_ASM_OPCODE_LABEL(op_#{$~.post_match})", lastComment)) + if isGlobal + if !$emitWinAsm + @outp.puts(formatDump("OFFLINE_ASM_GLOBAL_LABEL(#{labelName})", lastComment)) + else + putsProc(labelName, lastComment) + end + elsif /\Allint_op_/.match(labelName) + if !$emitWinAsm + @outp.puts(formatDump("OFFLINE_ASM_OPCODE_LABEL(op_#{$~.post_match})", lastComment)) + else + label = "llint_" + "op_#{$~.post_match}" + @outp.puts(formatDump(" _#{label}:", lastComment)) + end else - @outp.puts(formatDump("OFFLINE_ASM_GLUE_LABEL(#{labelName})", lastComment)) + if !$emitWinAsm + @outp.puts(formatDump("OFFLINE_ASM_GLUE_LABEL(#{labelName})", lastComment)) + else + @outp.puts(formatDump(" _#{labelName}:", lastComment)) + end end @newlineSpacerState = :none # After a global label, we can use another spacer. end @@ -171,15 +220,35 @@ class Assembler @numLocalLabels += 1 @outp.puts("\n") @internalComment = $enableLabelCountComments ? "Local Label #{@numLocalLabels}" : nil - @outp.puts(formatDump(" OFFLINE_ASM_LOCAL_LABEL(#{labelName})", lastComment)) + if !$emitWinAsm + @outp.puts(formatDump(" OFFLINE_ASM_LOCAL_LABEL(#{labelName})", lastComment)) + else + @outp.puts(formatDump(" #{labelName}:", lastComment)) + end end - + + def self.externLabelReference(labelName) + if !$emitWinAsm + "\" LOCAL_REFERENCE(#{labelName}) \"" + else + "#{labelName}" + end + end + def self.labelReference(labelName) - "\" LOCAL_REFERENCE(#{labelName}) \"" + if !$emitWinAsm + "\" LOCAL_LABEL_STRING(#{labelName}) \"" + else + "_#{labelName}" + end end def self.localLabelReference(labelName) - "\" LOCAL_LABEL_STRING(#{labelName}) \"" + if !$emitWinAsm + "\" LOCAL_LABEL_STRING(#{labelName}) \"" + else + "#{labelName}" + end end def self.cLabelReference(labelName) @@ -201,13 +270,13 @@ class Assembler @commentState = :one when :one if $enableCodeOriginComments - @outp.puts " // #{@codeOrigin}" - @outp.puts " // #{text}" + @outp.puts " " + $commentPrefix + " #{@codeOrigin}" + @outp.puts " " + $commentPrefix + " #{text}" end @codeOrigin = nil @commentState = :many when :many - @outp.puts "// #{text}" if $enableCodeOriginComments + @outp.puts $commentPrefix + " #{text}" if $enableCodeOriginComments else raise end @@ -216,17 +285,22 @@ class Assembler def comment(text) @comment = text end + def annotation(text) @annotation = text end + + def debugAnnotation(text) + @outp.puts text + end end +IncludeFile.processIncludeOptions() + asmFile = ARGV.shift offsetsFile = ARGV.shift outputFlnm = ARGV.shift -$stderr.puts "offlineasm: Parsing #{asmFile} and #{offsetsFile} and creating assembly file #{outputFlnm}." - begin configurationList = offsetsAndConfigurationIndex(offsetsFile) rescue MissingMagicValuesException @@ -234,8 +308,16 @@ rescue MissingMagicValuesException exit 0 end +# The MS compiler doesn't accept DWARF2 debug annotations. +if isMSVC + $enableDebugAnnotations = false +end + +$emitWinAsm = isMSVC ? outputFlnm.index(".asm") != nil : false +$commentPrefix = $emitWinAsm ? ";" : "//" + inputHash = - "// offlineasm input hash: " + parseHash(asmFile) + + $commentPrefix + " offlineasm input hash: " + parseHash(asmFile) + " " + Digest::SHA1.hexdigest(configurationList.map{|v| (v[0] + [v[1]]).join(' ')}.join(' ')) + " " + selfHash @@ -245,7 +327,6 @@ if FileTest.exist? outputFlnm firstLine = inp.gets if firstLine and firstLine.chomp == inputHash $stderr.puts "offlineasm: Nothing changed." - FileUtils.touch(outputFlnm) exit 0 end } @@ -255,11 +336,11 @@ File.open(outputFlnm, "w") { | outp | $output = outp $output.puts inputHash - + $asm = Assembler.new($output) ast = parse(asmFile) - + configurationList.each { | configuration | offsetsList = configuration[0] @@ -276,6 +357,3 @@ File.open(outputFlnm, "w") { } } } - -$stderr.puts "offlineasm: Assembly file #{outputFlnm} successfully generated." - |