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// Origin: Mark Mitchell <mark@codesourcery.com>
#if defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100
#include <stddef.h>
struct S0
{
virtual void s0 ();
};
struct S1 : virtual public S0
{
virtual void s1 ();
};
struct S2 : virtual public S1
{
virtual void s1 ();
virtual void s0 ();
};
struct S3
{
virtual void s3 ();
};
struct S4 : public S3, virtual public S2
{
virtual void s1 ();
};
void S0::s0 ()
{
}
void S1::s1 ()
{
}
void S2::s1 ()
{
}
void S2::s0 ()
{
}
void S3::s3 ()
{
}
void S4::s1 ()
{
}
/* The vtables should look like:
S0 primary vtable
S0 offset to top
S0 RTTI
S0::s0
=================
S1 primary vtable
S0::s0 vcall offset
S0 vbase offset
S1 offset to top
S1 RTTI
S0::s0
S1::s1
=================
S2 primary vtable
S2::s1 vcall offset
S1 vbase offset
S2::s0 vcall offset
S0 vbase offset
S2 offset to top
S2 RTTI
S2::s0
S2::s1
=================
S3 primary vtable
S3 offset to top
S3 RTTI
S3::s3
=================
S4 primary vtable
vbase offset for S0
vbase offset for S1
vbase offset for S2
S4 offset to top
S4 RTTI
S3::s3
S4::s1
S2-in-S4 secondary vtable
S4::s1 vcall offset
S1 vbase offset
S2:s0 vcall offset
S0 vbase offset
S2 offset to top
S4 RTTI
S2::s0
S4::s1
*/
// These are tricks to allow us to get raw function pointers for
// member functions.
extern "C" {
void s3__2S3 ();
void s1__2S4 ();
}
int main ()
{
S4 s4;
ptrdiff_t **vptr;
ptrdiff_t *vtbl;
// Set vtbl to point at the beginning of S4's primary vtable.
vptr = (ptrdiff_t **) &s4;
vtbl = *vptr;
vtbl -= 5;
if (*vtbl++ != ((char*) (S0*) &s4) - (char*) &s4)
return 1;
if (*vtbl++ != ((char*) (S1*) &s4) - (char*) &s4)
return 2;
if (*vtbl++ != ((char*) (S2*) &s4) - (char*) &s4)
return 3;
if (*vtbl++ != 0)
return 4;
// Skip the RTTI entry.
vtbl++;
if (*vtbl++ != (ptrdiff_t) &s3__2S3)
return 5;
if (*vtbl++ != (ptrdiff_t) &s1__2S4)
return 6;
// All the vcall and vbase offsets should be zero.
if (*vtbl++ != 0)
return 7;
if (*vtbl++ != 0)
return 8;
if (*vtbl++ != 0)
return 9;
if (*vtbl++ != 0)
return 10;
// Now we're at the S2 offset to top entry.
if (*vtbl++ != ((char*) &s4 - (char*) (S2*) &s4))
return 11;
// Skip the RTTI entry.
vtbl++;
// Skip the remaining virtual functions -- they are thunks.
vtbl++;
vtbl++;
}
#else /* !(defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100) */
int main ()
{
}
#endif /* !(defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100) */
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