1  /* Test for __attribute__((preserve_access_index)) for BPF CO-RE support
       2     for nested structure.
       3  
       4     Note that even though struct O lacks the attribute, when accessed as a
       5     member of another attributed type, CO-RE relocations should still be
       6     generated.  */
       7  
       8  /* { dg-do compile } */
       9  /* { dg-options "-O0 -dA -gbtf -mco-re" } */
      10  
      11  struct O {
      12    int e;
      13    int f;
      14  };
      15  
      16  struct S {
      17    int a;
      18    struct {
      19      int b;
      20      int c;
      21    } inner;
      22    struct O other;
      23  } __attribute__((preserve_access_index));
      24  
      25  void
      26  func (struct S *foo)
      27  {
      28    /* 0:1:1 */
      29    int *x = &(foo->inner.c);
      30  
      31    /* 0:2:0 */
      32    int *y = &(foo->other.e);
      33  
      34    *x = 4;
      35    *y = 5;
      36  }
      37  
      38  /* { dg-final { scan-assembler-times "ascii \"0:1:1.0\"\[\t \]+\[^\n\]*btf_aux_string" 1 } } */
      39  /* { dg-final { scan-assembler-times "ascii \"0:2:0.0\"\[\t \]+\[^\n\]*btf_aux_string" 1 } } */
      40  
      41  /* { dg-final { scan-assembler-times "bpfcr_type" 2 } } */