File: tls-reload-1.c

package info (click to toggle)
gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 680,956 kB
  • sloc: ansic: 3,237,715; cpp: 896,882; ada: 772,854; f90: 144,254; asm: 68,788; makefile: 67,456; sh: 29,743; exp: 28,045; objc: 15,273; fortran: 11,885; python: 7,369; pascal: 5,375; awk: 3,725; perl: 2,872; yacc: 316; xml: 311; ml: 285; lex: 198; haskell: 122
file content (49 lines) | stat: -rw-r--r-- 974 bytes parent folder | download | duplicates (10) 
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
 
/* { dg-do run } */
/* { dg-require-effective-target tls_runtime } */
/* { dg-add-options tls } */

#define ARRAY(X) X##_array
#define DECLARE(X) \
  __thread int X; \
  __thread int ARRAY(X)[4]; \
  int *volatile *__attribute__((noinline)) \
  check##X (int *volatile *y) \
  { \
    if (!y || *y++ != &X || *y++ != &ARRAY(X)[3]) \
      return 0; \
    return y; \
  }
#define COPY(X) *y++ = &X; *y++ = &ARRAY(X)[3];
#define CHECK(X) y = check##X (y);
#define A(M, X) M(X##0) M(X##1) M(X##2) M(X##3) M(X##4) M(X##5) M(X##6) M(X##7)
#define B(M, X) A(M, X##0) A(M, X##1) A(M, X##2)
#define C(M, X) B(M, X) B(M, X) B(M, X)

#define NM 2
#define NA (NM * 8)
#define NB (NA * 3)
#define NC (NB * 3)

extern void abort (void);

B(DECLARE, tls)

void __attribute__ ((noinline))
setup (int *volatile *y)
{
  C(COPY, tls)
}

int
main (void)
{
  int *volatile array[NC];
  int *volatile *y = array;
  int i;

  setup (array);
  C(CHECK, tls);
  if (!y)
    abort ();
  return 0;
}