相対アドレスを /proc/[tid]/maps から取得して addr2line するやつ (systemtap 以外でも使えるだろう)

systemtap_addr2line.rb

#!/usr/bin/env ruby
#
# systemtap_addr2line.rb
#
# Show source files and line numers of given address
#
# This script works only on Linux.
# https://gist.github.com/sonots/5870ae8415af4c9cb66e0a11e0f98516
#
# ref. https://gist.github.com/nurse/0619b6af90df140508c2

# Get [executable or library path, relative_address]
def search_maps(tid, addr)
  IO.foreach("/proc/#{tid}/maps") do |line|
    address, perms, offset, dev, inode, pathname = line.split
    range = Range.new(*address.split('-').map{|x|x.hex})
    if range.include?(addr)
      reladdr = addr - range.first
      return [pathname, reladdr]
    end
  end
end

# http://man7.org/linux/man-pages/man1/addr2line.1.html
def addr2line(path, addr)
  system('addr2line', '-fie', path, addr.to_s(16))
end

def usage(msg = nil)
  puts "#$0: <tid> <addr>"
  puts msg if msg
  exit 1
end

def main
  begin
    unless tid = Integer(ARGV.shift)
      usage
    end
    unless addr = Integer(ARGV.shift)
      usage
    end
  rescue ArgumentError => e
    usage e.message
  end

  executable, reladdr = search_maps(tid, addr)
  puts "reladdr: %x -> %x" % [addr, reladdr]
  addr2line(executable, reladdr)
end

main

stap -d /path/to/executable -e 'probe vm.write_shared_copy {
  printf("%s(pid:%d,tid:%d) write_to_shared_page(%p)\n", execname(), pid(), tid(), address)
  print_ubacktrace()
}