xv6

port of xv6 to x86-64
git clone http://frotz.net/git/xv6.git
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printpcs (367B)

      1 #!/bin/sh
      2 
      3 # Decode the symbols from a panic EIP list
      4 
      5 # Find a working addr2line
      6 for p in i386-jos-elf-addr2line addr2line; do
      7     if which $p 2>&1 >/dev/null && \
      8        $p -h 2>&1 | grep -q '\belf32-i386\b'; then
      9         break
     10     fi
     11 done
     12 
     13 # Enable as much pretty-printing as this addr2line can do
     14 $p $($p -h | grep ' -[aipsf] ' | awk '{print $1}') -e kernel "$@"