/* * 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; }