diff options
Diffstat (limited to 'test/test_exception_address_alignment.pass.cpp')
| -rw-r--r-- | test/test_exception_address_alignment.pass.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/test/test_exception_address_alignment.pass.cpp b/test/test_exception_address_alignment.pass.cpp index 8a41f0c..138fb4d 100644 --- a/test/test_exception_address_alignment.pass.cpp +++ b/test/test_exception_address_alignment.pass.cpp @@ -15,8 +15,8 @@ // working around this failure. // XFAIL: darwin && libcxxabi-has-system-unwinder -// Test that the address of the exception object is properly aligned to the -// largest supported alignment for the system. +// Test that the address of the exception object is properly aligned as required +// by the relevant ABI #include <cstdint> #include <cassert> @@ -24,7 +24,16 @@ #include <unwind.h> struct __attribute__((aligned)) AlignedType {}; -static_assert(alignof(AlignedType) == alignof(_Unwind_Exception), + +// EHABI : 8-byte aligned +// Itanium: Largest supported alignment for the system +#if defined(_LIBUNWIND_ARM_EHABI) +# define EXPECTED_ALIGNMENT 8 +#else +# define EXPECTED_ALIGNMENT alignof(AlignedType) +#endif + +static_assert(alignof(_Unwind_Exception) == EXPECTED_ALIGNMENT, "_Unwind_Exception is incorrectly aligned. This test is expected to fail"); struct MinAligned { }; @@ -35,7 +44,7 @@ int main() { try { throw MinAligned{}; } catch (MinAligned const& ref) { - assert(reinterpret_cast<uintptr_t>(&ref) % alignof(AlignedType) == 0); + assert(reinterpret_cast<uintptr_t>(&ref) % EXPECTED_ALIGNMENT == 0); } } } |