#!/bin/bash -x

# Copyright 2019 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# This is a script that generates the test executables for MacOS and Linux
# in this directory. It should be needed very rarely to run this script.
# It is mostly provided as a future reference on how the original binary
# set was created.

# When a new executable is generated, hardcoded addresses in the
# functions TestObjFile, TestMachoFiles in binutils_test.go must be updated.

set -o errexit

cat <<EOF >/tmp/hello.c
#include <stdio.h>

int main() {
  printf("Hello, world!\n");
  return 0;
}
EOF

cd $(dirname $0)

if [[ "$OSTYPE" == "linux-gnu" ]]; then
  rm -rf exe_linux_64*
  cc -g -o exe_linux_64 /tmp/hello.c
elif [[ "$OSTYPE" == "darwin"* ]]; then
  cat <<EOF >/tmp/lib.c
  int foo() {
    return 1;
  }

  int bar() {
    return 2;
  }
  EOF

  rm -rf exe_mac_64* lib_mac_64*
  clang -g -o exe_mac_64 /tmp/hello.c
  clang -g -o lib_mac_64 -dynamiclib /tmp/lib.ca
else
  echo "Unknown OS: $OSTYPE"
  exit 1
fi