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e4c5d46b
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2022-09-05T12:19:57
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Pass large structs by value
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bd72848c
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2017-04-27T13:20:36
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Prefix ALIGN macros with FFI_
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542e0047
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2014-11-18T05:07:00
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sparc: Define FFI_TARGET_SPECIFIC_VARIADIC for v9
This is a port of
http://gcc.gnu.org/viewcvs?rev=207763&root=gcc&view=rev
aka GCC PR libffi/60073, to the rewritten Sparc codebase.
Supposedly, we should have seen failures with the existing
libffi.call/cls_double_va.c testcase, but I hadn't.
Perhaps a gcc newer than 4.6.3 is required to see that...
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6eec410f
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2014-10-26T15:29:04
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sparc: Re-add abi compliant structure support
The original code, removed in the "rewrite" patch, was incorrect for
large structures, and required dynamic allocation of a trampoline on
every ffi_call.
Instead, allocate a 4k entry table of all possible structure returns.
The table is 80k, but is read-only and dynamically paged, which ought
to be better than allocating the trampoline.
This is difficult to test with gcc. One can only use -O0 at present.
See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63668.
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92022496
|
2014-10-26T14:48:28
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sparc: Add support for Go closures
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ad89c2d9
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2014-10-26T13:16:03
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sparc: Add support for complex types
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0686c2e7
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2014-10-25T14:52:45
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sparc: Preprocess float point struct return
We can eliminate recursion and speed structure return
by flattening a nested structure tree into a bitmask.
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20da5b41
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2014-10-25T16:24:41
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sparc: Handle more cases of structure return directly
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2b27890b
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2014-10-24T16:10:48
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sparc: Rewrite everything
It's impossible to call between v8 and v9 ABIs, because of the stack bias
in the v9 ABI. So let's not pretend it's just not implemented yet. Split
the v9 code out to a separate file.
The register windows prevent ffi_call from setting up the entire stack
frame the assembly, but we needn't make an indirect call back to prep_args.
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