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# REQUIRES: target-windows
# Test UDT layout reconstruction
# RUN: split-file %s %t
# RUN: %build --compiler=clang-cl -o %t.exe -- %t/main.cpp
# RUN: %lldb -f %t.exe -s %t/commands.input 2>&1 | FileCheck %s
#--- main.cpp
// this is from the DIA plugin (UdtLayoutTest.cpp)
struct A {
explicit A(int u) { _u._u3 = u; }
A(const A &) = default;
virtual ~A() = default;
private:
union U {
char _u1;
short _u2;
int _u3;
};
A::U _u;
};
#pragma pack(push, 1)
template <int I> struct B : public virtual A {
B(char a, unsigned short b, int c) : A(a + b + c), _a(a), _b(b), _c(c) {}
private:
char _a;
unsigned short : 3;
unsigned short _b : 6;
unsigned short : 4;
int _c;
};
#pragma pack(pop)
#pragma pack(push, 16)
class C : private virtual B<0>, public virtual B<1>, private B<2>, public B<3> {
public:
C(char x, char y, char z)
: A(x - y + z), B<0>(x, y, z), B<1>(x * 2, y * 2, z * 2),
B<2>(x * 3, y * 3, z * 3), B<3>(x * 4, y * 4, z * 4), _x(x * 5),
_y(y * 5), _z(z * 5) {}
static int abc;
private:
int _x;
short _y;
char _z;
};
int C::abc = 123;
#pragma pack(pop)
class List {
public:
List() = default;
List(List *p, List *n, C v) : Prev(p), Next(n), Value(v) {}
private:
List *Prev = nullptr;
List *Next = nullptr;
C Value{1, 2, 3};
};
int main() {
List ls[16];
return 0; // break here
}
#--- commands.input
settings set target.max-children-depth 10
br set -p "break here"
run
target variable
frame variable
quit
# CHECK: (int) ::C::abc = 123
# CHECK: (List[16]) ls = {
# CHECK: [15] = {
# CHECK-NEXT: Prev = nullptr
# CHECK-NEXT: Next = nullptr
# CHECK-NEXT: Value = {
# CHECK-NEXT: B<2> = {
# CHECK-NEXT: A = {
# CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2)
# CHECK-NEXT: }
# CHECK-NEXT: _a = '\x03'
# CHECK-NEXT: _b = 6
# CHECK-NEXT: _c = 9
# CHECK-NEXT: }
# CHECK-NEXT: B<3> = {
# CHECK-NEXT: A = {
# CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2)
# CHECK-NEXT: }
# CHECK-NEXT: _a = '\x04'
# CHECK-NEXT: _b = 8
# CHECK-NEXT: _c = 12
# CHECK-NEXT: }
# CHECK-NEXT: A = {
# CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2)
# CHECK-NEXT: }
# CHECK-NEXT: B<0> = {
# CHECK-NEXT: A = {
# CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2)
# CHECK-NEXT: }
# CHECK-NEXT: _a = '\x01'
# CHECK-NEXT: _b = 2
# CHECK-NEXT: _c = 3
# CHECK-NEXT: }
# CHECK-NEXT: B<1> = {
# CHECK-NEXT: A = {
# CHECK-NEXT: _u = (_u1 = '\x02', _u2 = 2, _u3 = 2)
# CHECK-NEXT: }
# CHECK-NEXT: _a = '\x02'
# CHECK-NEXT: _b = 4
# CHECK-NEXT: _c = 6
# CHECK-NEXT: }
# CHECK-NEXT: _x = 5
# CHECK-NEXT: _y = 10
# CHECK-NEXT: _z = '\x0f'
# CHECK-NEXT: }
# CHECK-NEXT: }
# CHECK-NEXT: }
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