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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* { dg-do compile } */
/* { dg-require-effective-target arm_cmse_ok } */
/* { dg-options "-Os -mcmse -fdump-rtl-expand" } */
#include <arm_cmse.h>
extern int a;
extern int bar (void);
int foo (char * p)
{
cmse_address_info_t cait;
cait = cmse_TT (&a);
if (cait.flags.mpu_region)
a++;
cait = cmse_TT_fptr (&bar);
if (cait.flags.mpu_region)
a+= bar ();
cait = cmse_TTA (&a);
if (cait.flags.mpu_region)
a++;
cait = cmse_TTA_fptr (&bar);
if (cait.flags.mpu_region)
a+= bar ();
cait = cmse_TTT (&a);
if (cait.flags.mpu_region)
a++;
cait = cmse_TTT_fptr (&bar);
if (cait.flags.mpu_region)
a+= bar ();
cait = cmse_TTAT (&a);
if (cait.flags.mpu_region)
a++;
cait = cmse_TTAT_fptr (&bar);
if (cait.flags.mpu_region)
a+= bar ();
p = (char *) cmse_check_address_range ((void *) p, sizeof (char), 0);
p = (char *) cmse_check_address_range ((void *) p, sizeof (char),
CMSE_MPU_UNPRIV);
p = (char *) cmse_check_address_range ((void *) p, sizeof (char),
CMSE_MPU_READWRITE);
p = (char *) cmse_check_address_range ((void *) p, sizeof (char),
CMSE_MPU_UNPRIV | CMSE_MPU_READ);
p = (char *) cmse_check_address_range ((void *) p, sizeof (char),
CMSE_AU_NONSECURE
| CMSE_MPU_NONSECURE);
p = (char *) cmse_check_address_range ((void *) p, sizeof (char),
CMSE_NONSECURE | CMSE_MPU_UNPRIV);
p = (char *) cmse_check_pointed_object (p, CMSE_NONSECURE | CMSE_MPU_UNPRIV);
return a;
}
/* { dg-final { scan-assembler-times "\ttt " 2 } } */
/* { dg-final { scan-assembler-times "ttt " 2 } } */
/* { dg-final { scan-assembler-times "tta " 2 } } */
/* { dg-final { scan-assembler-times "ttat " 2 } } */
/* { dg-final { scan-assembler-times "bl.cmse_check_address_range" 7 } } */
/* { dg-final { scan-assembler-not "cmse_check_pointed_object" } } */
typedef int (*int_ret_funcptr_t) (void);
typedef int __attribute__ ((cmse_nonsecure_call)) (*int_ret_nsfuncptr_t) (void);
int __attribute__ ((cmse_nonsecure_entry))
baz (void)
{
return cmse_nonsecure_caller ();
}
int __attribute__ ((cmse_nonsecure_entry))
qux (int_ret_funcptr_t int_ret_funcptr)
{
int_ret_nsfuncptr_t int_ret_nsfunc_ptr;
if (cmse_is_nsfptr (int_ret_funcptr))
{
int_ret_nsfunc_ptr = cmse_nsfptr_create (int_ret_funcptr);
return int_ret_nsfunc_ptr ();
}
return 0;
}
/* { dg-final { scan-assembler "baz:" } } */
/* { dg-final { scan-assembler "__acle_se_baz:" } } */
/* { dg-final { scan-assembler-not "\tcmse_nonsecure_caller" } } */
/* { dg-final { scan-rtl-dump "and.*reg.*const_int 1" expand } } */
/* { dg-final { scan-assembler "bic" } } */
/* { dg-final { scan-assembler "push\t\{r4, r5, r6" } } */
/* { dg-final { scan-assembler "msr\tAPSR_nzcvq" } } */
|
