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#include <stdlib.h>
#include <stdio.h>
#include "libgccjit.h"
#include "harness.h"
#ifdef __cplusplus
extern "C" {
#endif
extern void
called_function (void);
#ifdef __cplusplus
}
#endif
void
create_code (gcc_jit_context *ctxt, void *user_data)
{
/* Let's try to inject the equivalent of:
void
test_caller (void (*some_fn_ptr) (void), int a)
{
some_fn_ptr (a);
}
and verify that the API complains about the mismatching arg
counts.
*/
gcc_jit_type *void_type =
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
gcc_jit_type *int_type =
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
/* Build the function ptr type. */
gcc_jit_type *fn_ptr_type =
gcc_jit_context_new_function_ptr_type (ctxt, NULL,
void_type,
0, NULL, 0);
/* Build the test_fn. */
gcc_jit_param *param_fn_ptr =
gcc_jit_context_new_param (ctxt, NULL, fn_ptr_type, "some_fn_ptr");
gcc_jit_param *param_a =
gcc_jit_context_new_param (ctxt, NULL, int_type, "a");
gcc_jit_param *params[2];
params[0] = param_fn_ptr;
params[1] = param_a;
gcc_jit_function *test_fn =
gcc_jit_context_new_function (ctxt, NULL,
GCC_JIT_FUNCTION_EXPORTED,
void_type,
"test_caller",
2, params,
0);
gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
/* some_fn_ptr (a); */
gcc_jit_rvalue *arg = gcc_jit_param_as_rvalue (param_a);
gcc_jit_block_add_eval (
block, NULL,
gcc_jit_context_new_call_through_ptr (
ctxt,
NULL,
gcc_jit_param_as_rvalue (param_fn_ptr),
1, &arg));
/* the above has too many args. */
gcc_jit_block_end_with_void_return (block, NULL);
}
void
verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
{
/* Ensure that mismatching arg count leads to the API giving a NULL
result back. */
CHECK_VALUE (result, NULL);
/* Verify that the correct error message was emitted. */
CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
"gcc_jit_context_new_call_through_ptr:"
" too many arguments to fn_ptr:"
" some_fn_ptr (got 1 args, expected 0)");
}
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