[linux-block.git] / scripts / makelst

#!/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
Commit	Line	Data
f6112ec2	1	#!/bin/sh
b2441318	2	# SPDX-License-Identifier: GPL-2.0
1da177e4 LT	3	# A script to dump mixed source code & assembly
1da177e4 LT	4	# with correct relocations from System.map
f6112ec2	5	# Requires the following lines in makefile:
1da177e4	6	#%.lst: %.c
f77bf014 SR	7	# $(CC) $(c_flags) -g -c -o $*.o $< &&
f77bf014 SR	8	# $(srctree)/scripts/makelst $*.o System.map $(OBJDUMP) > $@
1da177e4	9	#
f6112ec2 OV	10	# Copyright (C) 2000 IBM Corporation
	11	# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
	12	# William Stearns <wstearns@pobox.com>
1da177e4 LT	13	#
1da177e4 LT	14
f6112ec2 OV	15	# awk style field access
	16	field() {
	17	shift $1 ; echo $1
	18	}
	19
	20	t1=`$3 --syms $1 \| grep .text \| grep -m1 " F "`
1da177e4	21	if [ -n "$t1" ]; then
f6112ec2	22	t2=`field 6 $t1`
1da177e4 LT	23	if [ ! -r $2 ]; then
1da177e4 LT	24	echo "No System.map" >&2
1da177e4 LT	25	else
1da177e4 LT	26	t3=`grep $t2 $2`
f6112ec2 OV	27	t4=`field 1 $t3`
	28	t5=`field 1 $t1`
	29	t6=`printf "%lu" $((0x$t4 - 0x$t5))`
1da177e4	30	fi
1da177e4	31	fi
f6112ec2	32	$3 -r --source --adjust-vma=${t6:-0} $1