aboutsummaryrefslogtreecommitdiff
path: root/lldb/test/Shell/SymbolFile/DWARF/packed.cpp
blob: 6a794a012a6e53c85d09b2b8e457f2fc1c5f9db1 (plain)
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
// XFAIL: target-windows
// RUN: %clangxx_host -gdwarf -o %t %s
// RUN: %lldb %t \
// RUN:   -o "expr alignof(packed)" \
// RUN:   -o "expr sizeof(packed)" \
// RUN:   -o "expr alignof(packed_and_aligned)" \
// RUN:   -o "expr sizeof(packed_and_aligned)" \
// RUN:   -o "expr alignof(derived)" \
// RUN:   -o "expr sizeof(derived)" \
// RUN:   -o exit | FileCheck %s

struct __attribute__((packed)) packed {
  int x;
  char y;
  int z;
} g_packed_struct;
static_assert(alignof(packed) == 1);
static_assert(sizeof(packed) == 9);

// CHECK:      (lldb) expr alignof(packed)
// CHECK-NEXT: ${{.*}} = 1
// CHECK:      (lldb) expr sizeof(packed)
// CHECK-NEXT: ${{.*}} = 9

struct __attribute__((packed, aligned(16))) packed_and_aligned {
  int x;
  char y;
  int z;
} g_packed_and_aligned_struct;
static_assert(alignof(packed_and_aligned) == 16);
static_assert(sizeof(packed_and_aligned) == 16);

// CHECK:      (lldb) expr alignof(packed_and_aligned)
// CHECK-NEXT: ${{.*}} = 16
// CHECK:      (lldb) expr sizeof(packed_and_aligned)
// CHECK-NEXT: ${{.*}} = 16

struct __attribute__((packed)) packed_base { int x; };
static_assert(alignof(packed_base) == 1);

struct derived : packed, packed_base {} g_derived;
static_assert(alignof(derived) == 1);
static_assert(sizeof(derived) == 13);

// CHECK:      (lldb) expr alignof(derived)
// CHECK-NEXT: ${{.*}} = 1
// CHECK:      (lldb) expr sizeof(derived)
// CHECK-NEXT: ${{.*}} = 13

int main() {}