root/trunk/assemble

#! /bin/bash

# assemble nasm files

# Copyright (c) 2006, Jonas Zaddach & Brad DeMorrow
# All rights reserved.
#
# Redistribution and use in source and binary forms,
# with or without modification, are permitted provided
# that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
# * Neither the name of the <ORGANIZATION> nor the names of its contributors
#   may be used to endorse or promote products derived from this software
#   without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
# POSSIBILITY OF SUCH DAMAGE.

#split path variable into pieces
ALL_PATH=`echo $PATH | sed -e 's/:/\n/g'`

#try to find nasm
if [ "$CUSTOM_NASM" == "" ]
then
  for MY_PATH in $ALL_PATH 
  do
    CUSTOM_NASM=`find $MY_PATH -name nasm 2> /dev/null`
    if [ "$CUSTOM_NASM" != "" ]
    then
      break
    fi
  done
  
  if [ "$CUSTOM_NASM" == "" ]
  then
    echo 'nasm not found in your $PATH variable.'
    echo 'Please specify location of your nasm in $CUSTOM_NASM.'
    exit
  fi
fi

echo "using nasm:      $CUSTOM_NASM"

mkdir -p tmp/objs

# find all assembler files
AS_FILES=`find osian/kernel -name "*.asm" 2> /dev/null`

# and assemble them
for AS_FILE in $AS_FILES
do
  OBJ_FILE=`echo $AS_FILE | sed -e 's/\.\///' | \
    sed -e 's/\//_/g' | sed -e 's/\.asm/\.o/'`
  $CUSTOM_NASM -f elf $AS_FILE -o tmp/objs/$OBJ_FILE
done