scripts/makelst

   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) $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$@) -g -c -o $*.o $<
   7 #       $(srctree)/scripts/makelst $*.o $(objtree)/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
  15 field() {
  16   shift $1 ; echo $1
  17 }
  18
  19 t1=`$3 --syms $1 | grep .text | grep -m1 " F "`
  20 if [ -n "$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
  30 fi
  31 $3 -r --source --adjust-vma=${t6:-0} $1