blob: e6581496d820741fe3a80d0de3c4ac57498a2e4f [file] [log] [blame]
Oleg Verychf6112ec2007-02-06 02:18:20 +01001#!/bin/sh
Linus Torvalds1da177e2005-04-16 15:20:36 -07002# A script to dump mixed source code & assembly
3# with correct relocations from System.map
Oleg Verychf6112ec2007-02-06 02:18:20 +01004# Requires the following lines in makefile:
Linus Torvalds1da177e2005-04-16 15:20:36 -07005#%.lst: %.c
Sam Ravnborgf77bf012007-10-15 22:25:06 +02006# $(CC) $(c_flags) -g -c -o $*.o $< &&
7# $(srctree)/scripts/makelst $*.o System.map $(OBJDUMP) > $@
Linus Torvalds1da177e2005-04-16 15:20:36 -07008#
Oleg Verychf6112ec2007-02-06 02:18:20 +01009# Copyright (C) 2000 IBM Corporation
10# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
11# William Stearns <wstearns@pobox.com>
Linus Torvalds1da177e2005-04-16 15:20:36 -070012#
13
Oleg Verychf6112ec2007-02-06 02:18:20 +010014# awk style field access
15field() {
16 shift $1 ; echo $1
17}
18
19t1=`$3 --syms $1 | grep .text | grep -m1 " F "`
Linus Torvalds1da177e2005-04-16 15:20:36 -070020if [ -n "$t1" ]; then
Oleg Verychf6112ec2007-02-06 02:18:20 +010021 t2=`field 6 $t1`
Linus Torvalds1da177e2005-04-16 15:20:36 -070022 if [ ! -r $2 ]; then
23 echo "No System.map" >&2
Linus Torvalds1da177e2005-04-16 15:20:36 -070024 else
25 t3=`grep $t2 $2`
Oleg Verychf6112ec2007-02-06 02:18:20 +010026 t4=`field 1 $t3`
27 t5=`field 1 $t1`
28 t6=`printf "%lu" $((0x$t4 - 0x$t5))`
Linus Torvalds1da177e2005-04-16 15:20:36 -070029 fi
Linus Torvalds1da177e2005-04-16 15:20:36 -070030fi
Oleg Verychf6112ec2007-02-06 02:18:20 +010031$3 -r --source --adjust-vma=${t6:-0} $1