#!/bin/sh
# This is a wrapper for converting gcc command lines into something
# that Bril compiler, ccmd32, can understand. This wrapper
# will also attempt to filter out the terminal messages from the
# compiler so that dejagnu isn't confused by all the verbosity.

#MD32_NAME="ms10_E3_0"
#MD32_NEWLIB_HOME=/proj/mtk03895/Templates/MD32/git/MD32_toolchain/md32/md32-elf

if [ "$MD32_NAME" = "" ]; then
	echo
	echo
	echo 'Please set the MD32 version: $MD32_NAME'
	echo "Warn: This md32-elf-gcc is only for CodeLine/CoreTracer testing"
	echo "      User should use ccmd32"
	echo
	exit 1
fi

MD32_NEWLIB_LIB="$MD32_NEWLIB_HOME/$MD32_NAME/lib"
MD32_NEWLIB_INC="$MD32_NEWLIB_HOME/$MD32_NAME/include"

check_result ()
{
    result=0
    while read line
    do
      if [ ${show_all_output} -ne 0 ]
    then
    echo "${line}"
      fi

      case "${line}" in
          warning:*)
              # ignore warnings
              ;;
          *error:* | "Fatal error:"*)
        if [ ${show_all_output} -eq 0 ]
              then
                  echo "${line}"
              fi
            result=2
              ;;
          *)
              ;;
      esac
    done

    return ${result}
}

# This is just a stub function. You can use this to simulate
# gcc's --print-multi-lib option or set it in your board
# config file (set_board_info multitop).
print_multi_libs ()
{
    echo ".;"
}

TEMP="/tmp/md32-output"
bin_path=`dirname $0`

lib_path="$MD32_NEWLIB_LIB"
add_include_path="-I$MD32_NEWLIB_INC"

args="$add_include_path"
#bril_options="-cmode -no-annotate -S"
#bril_options="-cmode -S +no_us"
bril_options="-cmode -S"
srcs=""
asms=""
pre_asms=""
pre_asms_options="$add_include_path"
objs=""
elf_output="a.out"
elf_output_path="."
preprocess_only=0
assemble=1
link=1
as_args=""
ld_args=""
nostdlib=0
show_all_output=0
system_dir=""
user_set_linker_script=0
linker_script="$bin_path/md32.sc"
split=0

while test $# -gt 0
do
  case "$1" in
      -m32) ;;
      -o) shift
  elf_output="$1"
  elf_output_path=`dirname $1`
  if [ "$elf_output_path" = "." ]; then
    elf_output_path=`pwd`
  fi
          ;;
      -Os) args="${args} -Os" ;;
      -O*) args="${args} -O" ;;
      -g*) args="${args} -g" ;;
      -I*)
  pre_asms_options="${pre_asms_options} $1"
  args="${args} $1"
  ;;
      -isystem) shift
  system_dir="${system_dir} $1"
  ;;
      -D*)
  arg=`echo $1 | sed 's/[[:space:]]//g'`
  arg=`echo $arg | sed 's/\\\\//g'`
  args="${args} ${arg}"
  pre_asms_options="${pre_asms_options} ${arg}"
  ;;
      -E) preprocess_only=1
  args="${args} -E"
  ;;
      -c) link=0
  ;;
      -S) assemble=0
  link=0
  ;;
      -L*)
        args="${args} $1"
        ld_args="${ld_args} $1"
        ;;
      -lm) ;;
      -w)  ;;
      -fstack-check) ;;
      --print-multi-lib)
  print_multi_libs
  exit 0
  ;;
      -static) ld_args="${ld_args} -static" ;;
      -Wl,*)
  ld_arg=`echo $1 | sed 's/-Wl,\(\w*\)/\1/g' | sed 's/,/=/g'`
  ld_args="${ld_args} ${ld_arg}"
  ;;
      -T) shift
  user_set_linker_script=1
  linker_script="$1"
  ;;
      -ffunction-sections)
  args="$args -ffunction-sections"
  ;;
      -fdata-sections)
  args="$args -fdata-sections"
  ;;
      -fshort-enums) ;;
      -fno-tree-loop-distribute-patterns) ;;
      -fno-builtin) ;;
      -B*)
  arg=`echo $1 | sed 's/-B\(\w*\)/\1/g'`
  args="${args} -L${arg}"
  system_dir="${system_dir} ${arg}include"
  ;;
      -m64) ;;
      -Winline) ;;
      -nostdlib)
  nostdlib=1
  ld_args="${ld_args} -nostdlib"
  ;;
      *.c) srcs="${srcs} $1" ;;
      *.s) asms="${asms} $1" ;;
      *.S) pre_asms="${pre_asms} $1" ;;
      *.o) objs="${objs} $1" ;;
      *.so) objs="${objs} $1" ;;
      *) echo "unsupported: $1" ;;
  esac
  shift
done

bril_lib_path=""
as_args="$as_args -mcpu=$MD32_NAME"
if [ "$MD32_NAME" = "MS15E30-GNU" ]; then
  split=1
  bril_lib_path=$MD32_S10_GNU_LIB
  bril_options="$bril_options -proc S10-GNU"
else
  bril_options="$bril_options -proc $MD32_NAME"
  split=1
fi


if [ $preprocess_only = "1" ]; then
  for src in ${srcs}
  do
    pp ${src}
  done

  exit 0
fi

for sdir in ${system_dir}
do
  args="${args} -I${sdir}"
done

for src in ${srcs}
do
  if [ $elf_output = "a.out" ] || [ $assemble = "1" ]; then
    asm=`basename ${src} | sed 's/\(\w*\)\.c/\1.s/g'`
  else
    asm=`basename $elf_output`
  fi

  ccmd32 $bril_options $args ${src} -o $elf_output_path/$asm 2>&1 | tee ${TEMP} > /dev/null
  #echo ccmd32 $bril_options $args ${src} -o $elf_output_path/$asm

  asms="${asms} $elf_output_path/${asm}"

  cat ${TEMP} | check_result
  result=$?
  rm ${TEMP}
done

if [ $assemble = "1" ]; then
  # Preprocess assembly code
  for pre_asm in ${pre_asms}
  do
    asm=`basename ${pre_asm} | sed 's/\(\w*\)\.S/\1.s/g'`

    pp $pre_asms_options $pre_asm > $elf_output_path/$asm

    asms="${asms} $elf_output_path/$asm"
  done

  # Assemble
  for asm in ${asms}
  do
    if [ "$elf_output" = "a.out" ] || [ $link = "1" ]; then
      obj=`basename ${asm} | sed 's/\(\w*\)\.s/\1.o/g'`
    else
      if [ "$assemble" = "1" ] && [ "$link" = "0" ]; then  # assemble only
        obj=`basename $elf_output`
      else
        obj=`basename $elf_output`".o"
      fi
    fi

    md32-elf-as $as_args $asm -o $elf_output_path/$obj
    #echo md32-elf-as $as_args $asm -o $elf_output_path/$obj

    objs="${objs} $elf_output_path/${obj}"
  done
fi

library_path=""
library_lib=""
library_crt0=""

library_path="$lib_path"
library_lib="-lc -lsoftfloat_gnu -lgloss -lm"
library_crt0="$lib_path/crt0.o"

if [ $split = "1" ]; then
  if [ $user_set_linker_script = "0" ]; then
    #linker_script="$bin_path/md32-split.sc"
    linker_script="$bin_path/sensor.sc"
  fi
  ld_args="$ld_args --no-check-sections"
fi

if [ $link = "1" ]; then
  stdlib=""
  crt0=""

  if [ "$nostdlib" -eq "0" ]; then
    stdlib="-L$library_path -L$bril_lib_path $library_lib"
    crt0="$library_crt0"
    ld_args="${ld_args} @$bin_path/link.opt"
  fi

  md32-elf-ld $ld_args $crt0 $objs $stdlib -o $elf_output -T $linker_script
  #echo md32-elf-ld $ld_args $crt0 $objs $stdlib -o $elf_output -T $linker_script
fi

exit ${result}