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32 lines (30 loc) · 808 Bytes

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#!/bin/sh

# SPDX-License-Identifier: GPL-2.0

# A script to dump mixed source code & assembly

# with correct relocations from System.map

# Requires the following lines in makefile:

#%.lst: %.c

# $(CC) $(c_flags) -g -c -o $*.o $< &&

# $(srctree)/scripts/makelst $*.o System.map $(OBJDUMP) > $@

#

# Copyright (C) 2000 IBM Corporation

# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)

# William Stearns <wstearns@pobox.com>

#

# awk style field access

field() {

shift $1 ; echo $1

}

t1=`$3 --syms $1 | grep .text | grep -m1 " F "`

if [ -n "$t1" ]; then

t2=`field 6 $t1`

if [ ! -r $2 ]; then

echo "No System.map" >&2

else

t3=`grep $t2 $2`

t4=`field 1 $t3`

t5=`field 1 $t1`

t6=`printf "%lu" $((0x$t4 - 0x$t5))`

fi

fi

$3 -r --source --adjust-vma=${t6:-0} $1