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
|
/* { dg-do compile } */
/* { dg-additional-options "-fdump-tree-asan" } */
/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
/* Only skip the -flto tests without the -flto-partition=none.
With -flto-partition=none we still get a asan1 dump file, without that
parameter we only get the lto dump files (which means scan-tree-dump-times
doesn't work. */
/* { dg-skip-if "" { *-*-* } { "-flto" } { "-flto-partition=none" } } */
typedef __SIZE_TYPE__ size_t;
/* Functions to observe that HWASAN instruments memory builtins in the expected
manner. */
void * __attribute__((noinline))
memset_builtin (void *dest, int value, size_t len)
{
return __builtin_memset (dest, value, len);
}
/* HWASAN avoids strlen because it doesn't know the size of the memory access
until *after* the function call. */
size_t __attribute__ ((noinline))
strlen_builtin (char *element)
{
return __builtin_strlen (element);
}
/* First test ensures that the HWASAN_CHECK was emitted before the
memset. Second test ensures there was only HWASAN_CHECK (which demonstrates
that strlen was not instrumented). */
/* { dg-final { scan-tree-dump-times "HWASAN_CHECK.*memset" 1 "asan1" } } */
/* { dg-final { scan-tree-dump-times "HWASAN_CHECK" 1 "asan1" } } */
|
