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f8d0bdedf1
* tool/asm_parse.rb: add description * tool/change_maker.rb: ditto * tool/downloader.rb: ditto * tool/eval.rb: ditto * tool/expand-config.rb: ditto * tool/extlibs.rb: ditto * tool/fake.rb: ditto * tool/file2lastrev.rb: ditto * tool/gem-unpack.rb: ditto * tool/gen_dummy_probes.rb: ditto * tool/gen_ruby_tapset.rb: ditto * tool/generic_erb.rb: ditto * tool/id2token.rb: ditto * tool/ifchange: ditto * tool/insns2vm.rb: ditto * tool/instruction.rb: ditto * tool/jisx0208.rb: ditto * tool/merger.rb: ditto * tool/mkrunnable.rb: ditto * tool/node_name.rb: ditto * tool/parse.rb: ditto * tool/rbinstall.rb: ditto * tool/rbuninstall.rb: ditto * tool/rmdirs: ditto * tool/runruby.rb: ditto * tool/strip-rdoc.rb: ditto * tool/vcs.rb: ditto * tool/vtlh.rb: ditto * tool/ytab.sed: ditto * tool/enc-unicode.rb: fix typo * tool/mk_call_iseq_optimized.rb: ditto * tool/update-deps: ditto [ruby-core:76215] [Bug #12539] by Noah Gibbs <the.codefolio.guy@gmail.com> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
106 lines
2.2 KiB
Ruby
Executable file
106 lines
2.2 KiB
Ruby
Executable file
#!/usr/bin/ruby
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# -*- coding: us-ascii -*-
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# Create a tapset for systemtap and DTrace
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# usage: ./ruby gen_ruby_tapset.rb --ruby-path=/path/to/ruby probes.d > output
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require "optparse"
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def set_argument (argname, nth)
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# remove C style type info
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argname.gsub!(/.+ (.+)/, '\1') # e.g. char *hoge -> *hoge
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argname.gsub!(/^\*/, '') # e.g. *filename -> filename
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"#{argname} = $arg#{nth}"
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end
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ruby_path = "/usr/local/ruby"
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opts = OptionParser.new
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opts.on("--ruby-path=PATH"){|v| ruby_path = v}
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opts.parse!(ARGV)
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text = ARGF.read
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# remove preprocessor directives
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text.gsub!(/^#.*$/, '')
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# remove provider name
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text.gsub!(/^provider ruby \{/, "")
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text.gsub!(/^\};/, "")
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# probename()
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text.gsub!(/probe (.+)\( *\);/) {
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probe_name = $1
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probe = <<-End
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probe #{probe_name} = process("ruby").provider("ruby").mark("#{probe_name}")
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{
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}
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End
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}
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# probename(arg1)
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text.gsub!(/ *probe (.+)\(([^,)]+)\);/) {
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probe_name = $1
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arg1 = $2
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probe = <<-End
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probe #{probe_name} = process("ruby").provider("ruby").mark("#{probe_name}")
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{
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#{set_argument(arg1, 1)}
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}
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End
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}
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# probename(arg1, arg2)
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text.gsub!(/ *probe (.+)\(([^,)]+),([^,)]+)\);/) {
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probe_name = $1
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arg1 = $2
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arg2 = $3
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probe = <<-End
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probe #{probe_name} = process("#{ruby_path}").provider("ruby").mark("#{probe_name}")
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{
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#{set_argument(arg1, 1)}
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#{set_argument(arg2, 2)}
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}
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End
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}
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# probename(arg1, arg2, arg3)
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text.gsub!(/ *probe (.+)\(([^,)]+),([^,)]+),([^,)]+)\);/) {
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probe_name = $1
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arg1 = $2
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arg2 = $3
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arg3 = $4
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probe = <<-End
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probe #{probe_name} = process("#{ruby_path}").provider("ruby").mark("#{probe_name}")
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{
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#{set_argument(arg1, 1)}
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#{set_argument(arg2, 2)}
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#{set_argument(arg3, 3)}
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}
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End
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}
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# probename(arg1, arg2, arg3, arg4)
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text.gsub!(/ *probe (.+)\(([^,)]+),([^,)]+),([^,)]+),([^,)]+)\);/) {
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probe_name = $1
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arg1 = $2
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arg2 = $3
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arg3 = $4
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arg4 = $5
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probe = <<-End
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probe #{probe_name} = process("#{ruby_path}").provider("ruby").mark("#{probe_name}")
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{
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#{set_argument(arg1, 1)}
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#{set_argument(arg2, 2)}
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#{set_argument(arg3, 3)}
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#{set_argument(arg4, 4)}
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}
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End
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}
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print text
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