forked from KolibriOS/kolibrios
66 lines
1.3 KiB
C
66 lines
1.3 KiB
C
/*
|
|
* Simple Test program for libtcc
|
|
*
|
|
* libtcc can be useful to use tcc as a "backend" for a code generator.
|
|
*/
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
#include "libtcc.h"
|
|
|
|
/* this function is called by the generated code */
|
|
int add(int a, int b)
|
|
{
|
|
return a + b;
|
|
}
|
|
|
|
char my_program[] =
|
|
"int fib(int n)\n"
|
|
"{\n"
|
|
" if (n <= 2)\n"
|
|
" return 1;\n"
|
|
" else\n"
|
|
" return fib(n-1) + fib(n-2);\n"
|
|
"}\n"
|
|
"\n"
|
|
"int foo(int n)\n"
|
|
"{\n"
|
|
" printf(\"Hello World!\\n\");\n"
|
|
" printf(\"fib(%d) = %d\\n\", n, fib(n));\n"
|
|
" printf(\"add(%d, %d) = %d\\n\", n, 2 * n, add(n, 2 * n));\n"
|
|
" return 0;\n"
|
|
"}\n";
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
TCCState *s;
|
|
int (*func)(int);
|
|
unsigned long val;
|
|
|
|
s = tcc_new();
|
|
if (!s) {
|
|
fprintf(stderr, "Could not create tcc state\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* MUST BE CALLED before any compilation or file loading */
|
|
tcc_set_output_type(s, TCC_OUTPUT_MEMORY);
|
|
|
|
tcc_compile_string(s, my_program);
|
|
|
|
/* as a test, we add a symbol that the compiled program can be
|
|
linked with. You can have a similar result by opening a dll
|
|
with tcc_add_dll(() and using its symbols directly. */
|
|
tcc_add_symbol(s, "add", (unsigned long)&add);
|
|
|
|
tcc_relocate(s);
|
|
|
|
tcc_get_symbol(s, &val, "foo");
|
|
func = (void *)val;
|
|
|
|
func(32);
|
|
|
|
tcc_delete(s);
|
|
return 0;
|
|
}
|