linux/scripts/makelst
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   1#!/bin/sh
   2# A script to dump mixed source code & assembly
   3# with correct relocations from System.map
   4# Requires the following lines in makefile:
   5#%.lst: %.c
   6#       $(CC) $(c_flags) -g -c -o $*.o $< &&
   7#       $(srctree)/scripts/makelst $*.o System.map $(OBJDUMP) > $@
   8#
   9# Copyright (C) 2000 IBM Corporation
  10# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
  11#            William Stearns <wstearns@pobox.com>
  12#
  13
  14# awk style field access
  15field() {
  16  shift $1 ; echo $1
  17}
  18
  19t1=`$3 --syms $1 | grep .text | grep -m1 " F "`
  20if [ -n "$t1" ]; then
  21  t2=`field 6 $t1`
  22  if [ ! -r $2 ]; then
  23    echo "No System.map" >&2
  24  else
  25    t3=`grep $t2 $2`
  26    t4=`field 1 $t3`
  27    t5=`field 1 $t1`
  28    t6=`printf "%lu" $((0x$t4 - 0x$t5))`
  29  fi
  30fi
  31$3 -r --source --adjust-vma=${t6:-0} $1
  32
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