#!/bin/bash

set -o nounset
set -o errexit
set -o verbose

source ../common.sh

MONO_RUNTIME_BASE=${NACL_SDK_USR}
MONO_BASE=${NACL_SDK_USR}
CC=$NACLCC
AS=$NACLAS
MODE=nacl
COMPILE_AOT=0
AOT_OBJS=
CC_DEFINES=
MONO_SNAPSHOT=mono-normal-build
RELOCATE_RODATA="-Wl,--section-start=.rodata=0x10020000"

if [ $# -gt 0 ]; then
  while [ -n "$*" ]
  do
    if [ $1 == "normal" ]; then
      MONO_RUNTIME_BASE=../normal-mono
      MONO_BASE=../normal-mono
      CC=gcc
      AS=as
      MODE=normal
    elif [ $1 == "aot" ]; then
      COMPILE_AOT=1
      CC_DEFINES=-DAOT_VERSION
      #RELOCATE_RODATA=
    elif [ $1 == "regression" ]; then
      MODE=regression
    else
      echo "Unrecognized option '$1'"
      exit -1
    fi
    shift
  done
fi

MONO="${MONO_BASE}/bin/mono"
readonly MONO_NORMAL_BASE=../normal-mono
readonly NCVAL=ncval_x86_${TARGET_BITSIZE}

readonly IRT=${NACL_BIN_PATH}/../runtime/irt_core_x86_${TARGET_BITSIZE}.nexe

if [ $NACL_NEWLIB = "1" ]; then
  readonly SEL_LDR_ARGS=
  readonly LD_FLAGS="-static"
  if [ $COMPILE_AOT = "1" ]; then
    MONO="${MONO_BASE}/bin/nacl${TARGET_BIT_PREFIX}-mono"
  fi
else
  readonly SEL_LDR_ARGS="${NACL_BIN_PATH}/../x86_64-nacl/lib${TARGET_BITSIZE}/runnable-ld.so --library-path ${NACL_BIN_PATH}/../x86_64-nacl/lib${TARGET_BITSIZE}:${NACL_SDK_USR_LIB}"
  readonly LD_FLAGS="-ldl -lrt"
  RELOCATE_RODATA=
fi

# add nacl-gcc to path (from NaCl SDK)
export PATH=${NACL_BIN_PATH}:$PATH

# add normal mono/gmcs to path
export PATH=${MONO_NORMAL_BASE}/bin:$PATH

# echo version of nacl-gcc
$CC --version

echo $PATH
SEL_LDR=sel_ldr_x86_${TARGET_BITSIZE}
which ${SEL_LDR}

# echo version of gmcs 
which gmcs
${MONO_NORMAL_BASE}/bin/gmcs --version

# echo version of nacl-mono
if [ $COMPILE_AOT = "1" -o $MODE = "normal" ]; then
  ${MONO} --version
fi

# add MONO_PATH so mono can crank on local directory
#export MONO_PATH=$(pwd)
#echo ${MONO_PATH}

#-----
# enable the appropriate set of AOT options below.

readonly AOT_OPTIONS=full,static,nodebug,ntrampolines=4096
#-----

# make a temp copy of mscorlib.dll in this directory
cp ${MONO_NORMAL_BASE}/lib/mono/4.0/mscorlib.dll .

# compile c-sharp file with gmcs
../normal-mono/bin/gmcs -lib:. -warn:0 hw.cs

# convert .exe to .exe.o assembly files
# convert mscorlib to a .dll.o file
if [ $COMPILE_AOT = "1" ]; then
  MONO_PATH=. ${MONO} --aot=${AOT_OPTIONS} mscorlib.dll
  MONO_PATH=. ${MONO} --aot=${AOT_OPTIONS} hw.exe
  AOT_OBJS="hw.exe.o mscorlib.dll.o"
fi

# compile c and assembly into a.out, all statically linked
# different options for normal and nacl-mono
if [ $MODE = "normal" ]; then
  $CC -g -static my.c ${CC_DEFINES} ${AOT_OBJS} -o hw-test -lmono-2.0 -lpthread -lm -ldl -lrt -I${MONO_RUNTIME_BASE}/include -I${MONO_RUNTIME_BASE}/include/mono-2.0 -L${MONO_RUNTIME_BASE}/lib
elif [ $MODE = "nacl" ]; then
  $CC my.c ${CC_DEFINES} ${AOT_OBJS} -finstrument-for-thread-suspension -o hw-test.nexe -lmono-2.0 -lpthread -lm -lnacl_dyncode -lg -lnosys -I${MONO_RUNTIME_BASE}/include -I${MONO_RUNTIME_BASE}/include/mono-2.0 -L${MONO_RUNTIME_BASE}/lib ${RELOCATE_RODATA} ${LD_FLAGS}
fi

readonly fsatests="basic.exe basic-float.exe basic-long.exe basic-calls.exe objects.exe arrays.exe basic-math.exe exceptions.exe devirtualization.exe basic-simd.exe gc-test.exe generics.exe iltests.exe nacl.exe"
if [ $MODE = "regression" ]; then
  #rm -rf fsa-tmp
  mkdir -p fsa-tmp
  DIR=$(pwd)
  cd ../${MONO_SNAPSHOT}/mono/mini/
   make $fsatests generics-variant-types.dll TestDriver.dll
   cp $fsatests generics-variant-types.dll TestDriver.dll $DIR/fsa-tmp
  cd -
 
  CLASS=${MONO_NORMAL_BASE}/lib/mono/4.0
  cp $CLASS/System.Core.dll $CLASS/System.dll $CLASS/Mono.Posix.dll $CLASS/System.Configuration.dll $CLASS/System.Security.dll $CLASS/System.Xml.dll $CLASS/Mono.Security.dll $CLASS/Mono.Simd.dll fsa-tmp
  cp mscorlib.dll fsa-tmp

  AOT_OBJS=""
  if [ $COMPILE_AOT = "1" ]; then
    for t in $fsatests; do
      MONO_PATH=fsa-tmp ${MONO} --aot=${AOT_OPTIONS} fsa-tmp/$t
      AOT_OBJS="${AOT_OBJS} fsa-tmp/$t.o" 
    done
    for d in fsa-tmp/*.dll; do
      MONO_PATH=fsa-tmp ${MONO} --aot=${AOT_OPTIONS} $d
      AOT_OBJS="${AOT_OBJS} $d.o" 
    done  
  fi

  $CC -o fsa-tmp/fsacheck.nexe -finstrument-for-thread-suspension -g ../../mono/mini/fsacheck.c ${CC_DEFINES} ${AOT_OBJS} -lmono-2.0 -lpthread -lm -lnacl_dyncode -lg -lnosys -L${MONO_RUNTIME_BASE}/lib -I${MONO_RUNTIME_BASE}/include/mono-2.0  -I${MONO_RUNTIME_BASE}/include ${RELOCATE_RODATA} ${LD_FLAGS}
fi

if [ $MODE = "regression" ]; then
  cd fsa-tmp
  ${NCVAL} --local_cpuid fsacheck.nexe 2> validator_out || echo "fsacheck.nexe invalid: continuing anyway"
  ${NACL_CROSS_PREFIX_DASH}objdump -d fsacheck.nexe > fsacheck.disasm
  for t in $fsatests; do
    ${SEL_LDR} -S -a -B ${IRT} ${SEL_LDR_ARGS} ./fsacheck.nexe $t || true
  done
else
  export MONO_PATH=$(pwd)
  # run generated test(select one or more below)
  if [ $MODE = "normal" ]; then
    ./hw-test
  else
    ${NCVAL} --local_cpuid hw-test.nexe 2> validator_out || echo "hw-test.nexe invalid: continuing anyway"
    ${NACL_CROSS_PREFIX_DASH}objdump -d hw-test.nexe > hw-test.disasm
    ${SEL_LDR} -S -a -B ${IRT} ${SEL_LDR_ARGS} ./hw-test.nexe
  fi
fi

exit 0