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libffi: added ARM64 support for Windows (#486)

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*  libffi: added ARM64 support for Windows

    1. ported sysv.S to win64_armasm.S for armasm64 assembler
    2. added msvc_build folder for visual studio solution
    3. updated README.md for the same
    4. MSVC solution created with the changes, and below test suites are tested
       with test script written in python.

       libffi.bhaible
       libffi.call
    5. Basic functionality of above test suites are getting passed

Signed-off-by: ossdev07 <ossdev@puresoftware.com>

* Update README.md
This commit is contained in:
ossdev07
2019-06-25 22:01:22 -04:00
committed by Anthony Green
parent 80d07104c3
commit d856743e6b
12 changed files with 1594 additions and 64 deletions
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src/prep_cif.c
+4 -2
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@@ -129,7 +129,9 @@ ffi_status FFI_HIDDEN ffi_prep_cif_core(ffi_cif *cif, ffi_abi abi,
cif->rtype = rtype;
cif->flags = 0;
#ifdef _M_ARM64
cif->isVariadic = isvariadic;
#endif
#if HAVE_LONG_DOUBLE_VARIANT
ffi_prep_types (abi);
#endif
@@ -199,7 +201,7 @@ ffi_status FFI_HIDDEN ffi_prep_cif_core(ffi_cif *cif, ffi_abi abi,
bytes = 6*4;
#endif
bytes += STACK_ARG_SIZE((*ptr)->size);
bytes += (unsigned int)STACK_ARG_SIZE((*ptr)->size);
}
#endif
}