#!/bin/bash

echodo()
{
 echo "$*"
 eval "$*"
}

echo "## Creating testdll.c source"
cat << EOF > testdll.c
#include <stdio.h>

__declspec(dllexport)
int test_main(int argc, char **argv)
{
    printf("hello\n");
}
EOF

echo "## Creating testmain.c source"
cat << EOF > testmain.c
#include <stdio.h>

__declspec(dllimport)
extern int test_main(int argc, char **argv);

main(int argc, char **argv)
{
  test_main(argc,argv);
}
EOF

echo "## Compiling testdll.c -> testdll.o"
echodo "gcc -g -c testdll.c"

echo "## Creating testdll.dll"
echodo "dllwrap -g --export-all-symbols -o testdll.dll testdll.o -lc"

echo "## Compiling testmain.c -> testmain.o"
echodo "gcc -g -c testmain.c"

echo "## Linking testmain.o, testdll.dll -> testmain.exe"
echodo "gcc -g -o testmain testmain.o testdll.dll -lc"

echo "## Running testmain.exe, should produce 'hello'"
echodo "./testmain"

echo "## Getting objdump of clean testdll.dll for later perusal"
echodo "objdump -a -f -p -x -d -D -S -s -g -e -G -t -T -r -R testdll.dll > testdll.dll.objdump"

echo "## Saving clean testdll.dll and objdump"
echodo "cp -a testdll.dll testdll.clean.dll"
echodo "cp -a testdll.dll.objdump testdll.clean.dll.objdump"

echo "## Rebasing testdll.dll"
echodo "rebase -v -d -b 0x70000000 -o 0x10000 testdll.dll"

echo "## Getting objdump of clean testdll.dll for later perusal"
objdump -a -f -p -x -d -D -S -s -g -e -G -t -T -r -R testdll.dll > testdll.dll.objdump

echo "## Running testmain.exe, should produce a Windows popup error box"
echodo "./testmain"