Module: GDB

Defined in:
lib/misc/gdb.rb

Class Method Summary collapse

Class Method Details

.check_core(dir) ⇒ Object 



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# File 'lib/misc/gdb.rb', line 33

def check_core(dir)
  binaries = {}
  core_info = []
  Find.find(dir.to_s) {|f|
    stat = File.stat(f)
    basename = File.basename(f)
    binaries[basename] = f if stat.file? && stat.executable?
    next if /\bcore\b/ !~ basename
    next if /\.chkbuild\.\d+\z/ =~ basename
    guess = `file #{f} 2>&1`
    next if /\bcore\b.*from '(.*?)'/ !~ guess.sub(/\A.*?:/, '')
    core_info << [f, $1]
  }
  gdb_command = nil
  core_info.each {|core_path, binary|
    next unless binary_path = binaries[binary]
    core_path = rename_core(core_path)
    unless gdb_command
      gdb_command = Tempfile.new("gdb-bt")
      gdb_command.puts "bt"
      gdb_command.close
    end
    puts
    puts "binary: #{binary_path}"
    puts "core: #{core_path}"
    command = %W[gdb -batch -n -x #{gdb_command.path} #{binary_path} #{core_path}]
    gdb_output = `#{Escape.shell_command command}`
    puts gdb_output
    puts "gdb status: #{$?}"
  }
end

.rename_core(core_path) ⇒ Object 



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# File 'lib/misc/gdb.rb', line 65

def rename_core(core_path)
  suffix = ".chkbuild."
  n = 1
  while File.exist?(new_path = "#{core_path}.chkbuild.#{n}")
    n += 1
  end
  File.rename(core_path, new_path)
  new_path
end