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| author | Jakub Jelinek <jakub@redhat.com> | 2021-06-16 10:45:27 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2021-06-16 10:45:27 +0200 |
| commit | 041f74177072df1d66502319205990a4d970c92a (patch) | |
| tree | 60e47c68aa73269439f7c1cbd7f873f6121266e8 /gcc | |
| parent | ccf0dee109ba0c71ca2b6e093a874daf1671ecf0 (diff) | |
| download | gcc-041f74177072df1d66502319205990a4d970c92a.zip gcc-041f74177072df1d66502319205990a4d970c92a.tar.gz gcc-041f74177072df1d66502319205990a4d970c92a.tar.bz2 | |
libffi: Fix up x86_64 classify_argument
As the following testcase shows, libffi didn't handle properly
classify_arguments of structures at byte offsets not divisible by
UNITS_PER_WORD. The following patch adjusts it to match what
config/i386/ classify_argument does for that and also ports the
PR38781 fix there (the second chunk).
This has been committed to upstream libffi already:
https://github.com/libffi/libffi/commit/5651bea284ad0822eafe768e3443c2f4d7da2c8f
2021-06-16 Jakub Jelinek <jakub@redhat.com>
* src/x86/ffi64.c (classify_argument): For FFI_TYPE_STRUCT set words
to number of words needed for type->size + byte_offset bytes rather
than just type->size bytes. Compute pos before the loop and check
total size of the structure.
* testsuite/libffi.call/nested_struct12.c: New test.
Diffstat (limited to 'gcc')
0 files changed, 0 insertions, 0 deletions