#include <stdlib.h> #include <stdio.h> #include "libgccjit.h" #include "harness.h" void create_code (gcc_jit_context *ctxt, void *user_data) { /* Let's try to inject the equivalent of: char[4096] test_fn () { int f; return bitcast(f, char[4096]); } and verify that the API complains about the bad cast. */ gcc_jit_type *int_type = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT); gcc_jit_type *char_type = gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_CHAR); gcc_jit_type *array_type = gcc_jit_context_new_array_type (ctxt, NULL, char_type, 4096); gcc_jit_function *test_fn = gcc_jit_context_new_function (ctxt, NULL, GCC_JIT_FUNCTION_EXPORTED, array_type, "test_fn", 0, NULL, 0); gcc_jit_lvalue *f = gcc_jit_function_new_local ( test_fn, NULL, int_type, "f"); gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL); gcc_jit_block_end_with_return ( block, NULL, gcc_jit_context_new_bitcast (ctxt, NULL, gcc_jit_lvalue_as_rvalue (f), array_type)); } void verify_code (gcc_jit_context *ctxt, gcc_jit_result *result) { CHECK_VALUE (result, NULL); /* Verify that the correct error message was emitted. */ CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt), "bitcast with types of different sizes"); }