Edit report at https://bugs.php.net/bug.php?id=79356&edit=1
ID: 79356
Updated by: [email protected]
Reported by: vibhutisawant18 at gmail dot com
Summary: FFI:structure/union alignment
[ext/ffi/tests/022.phpt] failure
Status: Open
Type: Bug
Package: Testing related
Operating System: Ubuntu 16.04
PHP Version: master-Git-2020-03-09 (Git)
Block user comment: N
Private report: N
New Comment:
This test also fails for me on a x86-64, so not big endian specific.
Previous Comments:
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[2020-03-09 05:53:16] vibhutisawant18 at gmail dot com
The following patch has been added/updated:
Patch Name: FFI_structure_union_alignment_s390x
Revision: 1583733196
URL: https://bugs.php.net/patch-display.php?bug=79356&patch=FFI_structure_union_alignment_s390x&revision=1583733196
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[2020-03-09 05:49:17] vibhutisawant18 at gmail dot com
Description:
------------
FFI:structure/union alignment [ext/ffi/tests/022.phpt] fails on Big endian systems.
The TC fails in the following code block:
if (substr(PHP_OS, 0, 3) != 'WIN') {
test_size(32, "struct {char a; uint32_t b __attribute__((aligned));}");
test_align(16, "struct {char a; uint32_t b __attribute__((aligned));}");
}
The __attribute__((aligned(__BIGGEST_ALIGNMENT__))) returns 8 bytes on s390x, whereas its 16 bytes on x86 architecture.
Hence the test functions output observed on s390x is :
test_size expects the size returned to be 16.
test_align expects the alignment returned to be 8.
Added a patch with TC changes specific to s390x. Kindly let me know if I shall raise a PR with this changes.
Also Could you please ensure if additional source code changes are needed?
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Edit this bug report at https://bugs.php.net/bug.php?id=79356&edit=1
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