On Thu, Sep 2, 2021 at 5:50 PM H.J. Lu <hjl.to...@gmail.com> wrote:
>
> Change in the v2 patch:
>
> 1. Disable static trampolines by default.
>
>
> GCC maintained a copy of libffi snapshot from 2009 and cherry-picked fixes
> from upstream over the last 10+ years. In the meantime, libffi upstream
> has been changed significantly with new features, bug fixes and new target
> support. Here is a set of patches to sync with libffi 3.4.2 release and
> make it easier to sync with libffi upstream:
>
> 1. Document how to sync with upstream.
> 2. Add scripts to help sync with upstream.
> 3. Sync with libffi 3.4.2. This patch is quite big. It is availale at
>
> https://gitlab.com/x86-gcc/gcc/-/commit/15e80c879c571f79a0e57702848a9df5fba5be2f
> 4. Integrate libffi build and testsuite with GCC.
How did you test this? It looks like libgo is the only consumer of
libffi these days.
In particular go/libgo seems to be supported on almost all targets besides
darwin/windows - did you test cross and canadian configurations?
I applaud the attempt to sync to upsteam but I fear you won't get any "review"
of this massive diff.
I suppose the SONAME changes after the sync?
Thanks,
Richard.
> H.J. Lu (4):
> libffi: Add HOWTO_MERGE, autogen.sh and merge.sh
> libffi: Sync with libffi 3.4.2
> libffi: Integrate build with GCC
> libffi: Integrate testsuite with GCC testsuite
>
> libffi/.gitattributes | 4 +
> libffi/ChangeLog.libffi | 7743 ++++++++++++++++-
> libffi/HOWTO_MERGE | 13 +
> libffi/LICENSE | 2 +-
> libffi/LICENSE-BUILDTOOLS | 353 +
> libffi/MERGE | 4 +
> libffi/Makefile.am | 135 +-
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> libffi/README | 450 -
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> libffi/acinclude.m4 | 38 +-
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> libffi/include/Makefile.am | 2 +-
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> libffi/include/ffi_cfi.h | 21 +
> libffi/include/ffi_common.h | 50 +-
> libffi/include/tramp.h | 45 +
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> libffi/src/aarch64/ffitarget.h | 35 +-
> libffi/src/aarch64/internal.h | 33 +
> libffi/src/aarch64/sysv.S | 189 +-
> libffi/src/aarch64/win64_armasm.S | 506 ++
> libffi/src/alpha/ffi.c | 6 +-
> libffi/src/arc/ffi.c | 6 +-
> libffi/src/arm/ffi.c | 380 +-
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> libffi/src/arm/internal.h | 10 +
> libffi/src/arm/sysv.S | 304 +-
> libffi/src/arm/sysv_msvc_arm32.S | 311 +
> libffi/src/closures.c | 489 +-
> libffi/src/cris/ffi.c | 4 +-
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> libffi/src/csky/ffitarget.h | 63 +
> libffi/src/csky/sysv.S | 371 +
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> libffi/src/ia64/unix.S | 9 +-
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> libffi/src/kvx/ffi.c | 273 +
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> libffi/src/mips/n32.S | 151 +-
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> libffi/src/nios2/ffi.c | 4 +-
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> libffi/src/pa/ffitarget.h | 11 +-
> libffi/src/pa/hpux32.S | 76 +-
> libffi/src/pa/linux.S | 160 +-
> libffi/src/powerpc/asm.h | 4 +-
> libffi/src/powerpc/darwin_closure.S | 6 +-
> libffi/src/powerpc/ffi.c | 10 +-
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> libffi/src/powerpc/ffi_linux64.c | 247 +-
> libffi/src/powerpc/ffi_powerpc.h | 25 +-
> libffi/src/powerpc/ffitarget.h | 14 +-
> libffi/src/powerpc/linux64.S | 111 +-
> libffi/src/powerpc/linux64_closure.S | 70 +-
> libffi/src/powerpc/sysv.S | 12 +-
> libffi/src/prep_cif.c | 64 +-
> libffi/src/raw_api.c | 10 +-
> libffi/src/riscv/ffi.c | 16 +-
> libffi/src/sparc/ffi.c | 6 +-
> libffi/src/sparc/ffi64.c | 18 +-
> libffi/src/tramp.c | 729 ++
> libffi/src/types.c | 4 +-
> libffi/src/vax/ffi.c | 4 +-
> libffi/src/x86/asmnames.h | 30 +
> libffi/src/x86/darwin.S | 444 -
> libffi/src/x86/darwin64.S | 416 -
> libffi/src/x86/darwin64_c.c | 643 --
> libffi/src/x86/darwin_c.c | 843 --
> libffi/src/x86/ffi.c | 162 +-
> libffi/src/x86/ffi64.c | 164 +-
> libffi/src/x86/ffitarget.h | 42 +-
> libffi/src/x86/ffiw64.c | 114 +-
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> libffi/src/x86/internal64.h | 14 +
> libffi/src/x86/sysv.S | 215 +-
> libffi/src/x86/sysv_intel.S | 995 +++
> libffi/src/x86/unix64.S | 204 +-
> libffi/src/x86/win64.S | 170 +-
> libffi/src/x86/win64_intel.S | 238 +
> libffi/src/xtensa/ffi.c | 4 +-
> libffi/src/xtensa/sysv.S | 7 +-
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> libffi/testsuite/libffi.bhaible/Makefile | 28 +
> libffi/testsuite/libffi.bhaible/README | 78 +
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> libffi/testsuite/libffi.bhaible/bhaible.exp | 63 +
> libffi/testsuite/libffi.bhaible/test-call.c | 1745 ++++
> .../testsuite/libffi.bhaible/test-callback.c | 2885 ++++++
> libffi/testsuite/libffi.bhaible/testcases.c | 747 ++
> libffi/testsuite/libffi.call/align_mixed.c | 46 +
> libffi/testsuite/libffi.call/align_stdcall.c | 46 +
> libffi/testsuite/libffi.call/call.exp | 28 +-
> libffi/testsuite/libffi.call/cls_uchar_va.c | 44 -
> libffi/testsuite/libffi.call/cls_ushort_va.c | 44 -
> libffi/testsuite/libffi.call/ffitest.h | 13 +-
> libffi/testsuite/libffi.call/float2.c | 23 +-
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> libffi/testsuite/libffi.call/struct10.c | 57 +
> libffi/testsuite/libffi.call/va_1.c | 120 +-
> libffi/testsuite/libffi.call/va_2.c | 196 +
> libffi/testsuite/libffi.closures/closure.exp | 67 +
> .../closure_fn0.c | 0
> .../closure_fn1.c | 0
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> .../closure_fn5.c | 0
> .../closure_fn6.c | 0
> .../closure_loc_fn0.c | 3 +
> .../closure_simple.c | 0
> .../cls_12byte.c | 0
> .../cls_16byte.c | 0
> .../cls_18byte.c | 0
> .../cls_19byte.c | 0
> .../cls_1_1byte.c | 0
> .../cls_20byte.c | 2 +-
> .../cls_20byte1.c | 2 +-
> .../cls_24byte.c | 6 +-
> .../cls_2byte.c | 0
> .../cls_3_1byte.c | 0
> .../cls_3byte1.c | 0
> .../cls_3byte2.c | 0
> libffi/testsuite/libffi.closures/cls_3float.c | 95 +
> .../cls_4_1byte.c | 0
> .../cls_4byte.c | 0
> .../cls_5_1_byte.c | 2 +-
> .../cls_5byte.c | 2 +-
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> .../cls_7_1_byte.c | 2 +-
> .../cls_7byte.c | 2 +-
> .../cls_8byte.c | 0
> .../cls_9byte1.c | 2 +-
> .../cls_9byte2.c | 2 +-
> .../cls_align_double.c | 2 +-
> .../cls_align_float.c | 2 +-
> .../cls_align_longdouble.c | 2 +-
> .../cls_align_longdouble_split.c | 2 +-
> .../cls_align_longdouble_split2.c | 2 +-
> .../cls_align_pointer.c | 2 +-
> .../cls_align_sint16.c | 2 +-
> .../cls_align_sint32.c | 2 +-
> .../cls_align_sint64.c | 2 +-
> .../cls_align_uint16.c | 2 +-
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> .../cls_align_uint64.c | 2 +-
> .../cls_dbls_struct.c | 6 +-
> .../cls_double.c | 0
> .../cls_double_va.c | 0
> .../cls_float.c | 0
> .../cls_longdouble.c | 0
> .../cls_longdouble_va.c | 0
> .../cls_many_mixed_args.c | 0
> .../cls_many_mixed_float_double.c | 0
> .../cls_multi_schar.c | 2 +-
> .../cls_multi_sshort.c | 2 +-
> .../cls_multi_sshortchar.c | 2 +-
> .../cls_multi_uchar.c | 2 +-
> .../cls_multi_ushort.c | 2 +-
> .../cls_multi_ushortchar.c | 2 +-
> .../cls_pointer.c | 0
> .../cls_pointer_stack.c | 0
> .../cls_schar.c | 0
> .../cls_sint.c | 0
> .../cls_sshort.c | 0
> .../cls_struct_va1.c | 0
> .../cls_uchar.c | 0
> .../cls_uint.c | 0
> .../cls_uint_va.c | 0
> .../cls_ulong_va.c | 0
> .../cls_ulonglong.c | 0
> .../cls_ushort.c | 0
> .../err_bad_abi.c | 0
> libffi/testsuite/libffi.closures/ffitest.h | 144 +
> .../huge_struct.c | 4 +-
> .../nested_struct.c | 2 +-
> .../nested_struct1.c | 2 +-
> .../nested_struct10.c | 1 +
> .../nested_struct11.c | 0
> .../libffi.closures/nested_struct12.c | 86 +
> .../nested_struct13.c} | 14 +-
> .../nested_struct2.c | 2 +-
> .../nested_struct3.c | 2 +-
> .../nested_struct4.c | 0
> .../nested_struct5.c | 0
> .../nested_struct6.c | 0
> .../nested_struct7.c | 0
> .../nested_struct8.c | 0
> .../nested_struct9.c | 0
> .../problem1.c | 0
> .../libffi.closures/single_entry_structs1.c | 86 +
> .../libffi.closures/single_entry_structs2.c | 102 +
> .../libffi.closures/single_entry_structs3.c | 101 +
> .../stret_large.c | 0
> .../stret_large2.c | 0
> .../stret_medium.c | 2 +-
> .../stret_medium2.c | 2 +-
> .../testclosure.c | 2 +-
> .../unwindtest.cc | 13 +-
> .../unwindtest_ffi_call.cc | 5 +-
> libffi/testsuite/libffi.go/static-chain.h | 6 -
> libffi/testsuite/libffi.special/ffitestcxx.h | 96 -
> libffi/testsuite/libffi.special/special.exp | 35 -
> 239 files changed, 24951 insertions(+), 6175 deletions(-)
> create mode 100644 libffi/.gitattributes
> create mode 100644 libffi/HOWTO_MERGE
> create mode 100644 libffi/LICENSE-BUILDTOOLS
> create mode 100644 libffi/MERGE
> delete mode 100644 libffi/README
> create mode 100644 libffi/README.md
> create mode 100755 libffi/autogen.sh
> create mode 100644 libffi/doc/Makefile.am
> mode change 100644 => 100755 libffi/generate-darwin-source-and-headers.py
> create mode 100644 libffi/include/tramp.h
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> create mode 100755 libffi/merge.sh
> create mode 100644 libffi/src/aarch64/win64_armasm.S
> create mode 100644 libffi/src/arm/sysv_msvc_arm32.S
> create mode 100644 libffi/src/csky/ffi.c
> create mode 100644 libffi/src/csky/ffitarget.h
> create mode 100644 libffi/src/csky/sysv.S
> create mode 100644 libffi/src/kvx/asm.h
> create mode 100644 libffi/src/kvx/ffi.c
> create mode 100644 libffi/src/kvx/ffitarget.h
> create mode 100644 libffi/src/kvx/sysv.S
> create mode 100644 libffi/src/tramp.c
> create mode 100644 libffi/src/x86/asmnames.h
> delete mode 100644 libffi/src/x86/darwin.S
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> create mode 100644 libffi/testsuite/libffi.call/va_2.c
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> (96%)
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> (100%)
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> create mode 100644 libffi/testsuite/libffi.closures/cls_3float.c
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> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_5byte.c (97%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_64byte.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_6_1_byte.c (97%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_6byte.c (97%)
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> (97%)
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> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_double.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_double_va.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_float.c (100%)
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> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_longdouble_va.c
> (100%)
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> libffi.closures}/cls_many_mixed_args.c (100%)
> rename libffi/testsuite/{libffi.call =>
> libffi.closures}/cls_many_mixed_float_double.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_multi_schar.c
> (96%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_multi_sshort.c
> (96%)
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> libffi.closures}/cls_multi_sshortchar.c (96%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_multi_uchar.c
> (96%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_multi_ushort.c
> (95%)
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> libffi.closures}/cls_multi_ushortchar.c (96%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_pointer.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_pointer_stack.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_schar.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_sint.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_sshort.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_struct_va1.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_uchar.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_uint.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_uint_va.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_ulong_va.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_ulonglong.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/cls_ushort.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/err_bad_abi.c (100%)
> create mode 100644 libffi/testsuite/libffi.closures/ffitest.h
> rename libffi/testsuite/{libffi.call => libffi.closures}/huge_struct.c (99%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct.c
> (98%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct1.c
> (98%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct10.c
> (99%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct11.c
> (100%)
> create mode 100644 libffi/testsuite/libffi.closures/nested_struct12.c
> rename libffi/testsuite/{libffi.call/nested_struct12.c =>
> libffi.closures/nested_struct13.c} (88%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct2.c
> (98%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct3.c
> (98%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct4.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct5.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct6.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct7.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct8.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/nested_struct9.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/problem1.c (100%)
> create mode 100644 libffi/testsuite/libffi.closures/single_entry_structs1.c
> create mode 100644 libffi/testsuite/libffi.closures/single_entry_structs2.c
> create mode 100644 libffi/testsuite/libffi.closures/single_entry_structs3.c
> rename libffi/testsuite/{libffi.call => libffi.closures}/stret_large.c (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/stret_large2.c
> (100%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/stret_medium.c (98%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/stret_medium2.c
> (98%)
> rename libffi/testsuite/{libffi.call => libffi.closures}/testclosure.c (95%)
> rename libffi/testsuite/{libffi.special => libffi.closures}/unwindtest.cc
> (95%)
> rename libffi/testsuite/{libffi.special =>
> libffi.closures}/unwindtest_ffi_call.cc (94%)
> delete mode 100644 libffi/testsuite/libffi.special/ffitestcxx.h
> delete mode 100644 libffi/testsuite/libffi.special/special.exp
>
> --
> 2.31.1
>
