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ptrmem.C: Take into account different representation on MN10300 and ARM/Thumb.

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* g++.old-deja/g++.abi/ptrmem.C: Take into account different
representation on MN10300 and ARM/Thumb.

From-SVN: r43157
This commit is contained in:
Alexandre Oliva 2001-06-10 21:50:47 +00:00 committed by Alexandre Oliva
parent eb2d06144a
commit 2e24615021
2 changed files with 26 additions and 8 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2001-06-10 Alexandre Oliva <aoliva@redhat.com>
* g++.old-deja/g++.abi/ptrmem.C: Take into account different
representation on MN10300 and ARM/Thumb.
2001-06-10 Toon Moene <toon@moene.indiv.nluug.nl>
* g77.f-torture/execute/20010610.f: New.

29
gcc/testsuite/g++.old-deja/g++.abi/ptrmem.C
View File

@ -1,6 +1,19 @@
// Special g++ Options: -fno-strict-aliasing
// Origin: Mark Mitchell <mark@codesourcery.com>
/* Generally, the lowest bit of the ptr is used to indicate whether a
ptr-to-mem-func points to a virtual or a non-virtual member
function. However, some platforms use all bits to encode a
function pointer. Such platforms use the lowest bit of the delta,
that is shifted left by one bit. */
#if defined __MN10300__ || defined __arm__ || defined __thumb__
#define ADJUST_PTRFN(func, virt) ((void (*)())(func))
#define ADJUST_DELTA(delta, virt) (((delta) << 1) + !!(virt))
#else
#define ADJUST_PTRFN(func, virt) ((void (*)())((ptrdiff_t)(func) + !!(virt)))
#define ADJUST_DELTA(delta, virt) (delta)
#endif
#if defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100
// Check that pointers-to-member functions are represented correctly.
@ -72,28 +85,28 @@ main ()
// There should be no adjustment for the `T' version, and an
// appropriate adjustment for the `S' version.
y = &T::f;
if (yp->ptr != &_ZN1T1fEv)
if (yp->ptr != ADJUST_PTRFN (&_ZN1T1fEv, 0))
return 5;
if (yp->adj != 0)
if (yp->adj != ADJUST_DELTA (0, 0))
return 6;
x = (sp) y;
if (xp->ptr != &_ZN1T1fEv)
if (xp->ptr != ADJUST_PTRFN (&_ZN1T1fEv, 0))
return 7;
if (xp->adj != delta)
if (xp->adj != ADJUST_DELTA (delta, 0))
return 8;
// For a virtual function, we should see the vtable offset, plus
// one. `T::h' is in the second slot: the vtable pointer points to
// the first virtual function.
y = &T::h;
if ((ptrdiff_t) yp->ptr != sizeof (void *) + 1)
if (yp->ptr != ADJUST_PTRFN (sizeof (void *), 1))
return 9;
if (yp->adj != 0)
if (yp->adj != ADJUST_DELTA (0, 1))
return 10;
x = (sp) y;
if ((ptrdiff_t) xp->ptr != sizeof (void *) + 1)
if (xp->ptr != ADJUST_PTRFN (sizeof (void *), 1))
return 11;
if (xp->adj != delta)
if (xp->adj != ADJUST_DELTA (delta, 1))
return 12;
// Pointers-to-data-members should have the same size and alignment