1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#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:
int
test_fn ()
{
char f[4096];
return bitcast(f, int);
}
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,
int_type,
"test_fn",
0, NULL,
0);
gcc_jit_lvalue *f =
gcc_jit_function_new_local (
test_fn,
NULL,
array_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),
int_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");
}
|
