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* Add support for FreeBSD mips
Add support for FreeBSD mips, this has been a local patch in the FreeBSD
ports tree for quite some time.
Originally submitted by sson, and committed by sbruno AT FreeBSD DOT org
See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191909 for
background details.
Signed-off-by: Niclas Zeising <zeising@daemonic.se>
* Add support for FreeBSD powerpcspe
Add support for powerpcspe on FreeBSD
This has been in the FreeBSD ports tree for some time.
Originally submitted by jhibbits AT FreeBSD DOT org.
Signed-off-by: Niclas Zeising <zeising@daemonic.se>
* Fix abort() on FreeBSD arm related to __clear_cache()
This patch has been in the FreeBSD ports tree for a number of years.
Original commit by koobs AT FreeBSD DOT org
Original commit message:
> devel/libffi: Fix abort() on ARM related to __clear_cache()
>
> The current FreeBSD/ARM __clear_cache() implementation does nothing #if
> __i386__ || __x86_64__ #else abort();
>
> cognet@ advises this is an issue for anything !Apple that is using the
> libcompiler_rt provided by Clang on ARM, and requires upstreaming.
See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=149167 for some
background details.
Signed-off-by: Niclas Zeising <zeising@daemonic.se>
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* mips: simplify closure #defines
This commit should have no visible effect.
* mips: add special handling of variadic functions
MIPS requires special handling of variadic functions which pass floating
point arguments:
* In the o32 ABI, all float arguments are passed in integer registers.
* In the n32/n64 ABIs, float arguments after the ellipsis are passed in
integer registers.
Implement this in libffi. To support this in n32/n64 closures, we need to add
a new mips_nfixedargs field to ffi_cif which will break the libffi ABI.
This fixes the libffi.call/cls_longdouble_va.c test which was failing on
64-bit MIPS.
* mips: align argn for all 64-bit types in o32 closure handler
Ensure that argn is pre-aligned for all 64-bit argument types (including
doubles) and not just integer types.
This fixes closures of the form "f(float, double, <some integer args>)".
Previously the first integer argument would be read from a2 which is garbage
at this point (the float arguments have already "consumed" a0-a3). After
this commit, argn is correctly padded between the "float" and "double"
arguments so that the first integer argument is read from the stack.
Fixes "double f(float,double,int)" test in #371
* mips: do not read from floating point register if returning a struct
In the o32 ABI, the pointer passed in a0 used to return structures
indirectly is treated as the first argument for argument allocation purposes.
This means that it should inhibit floating point registers the same way that
other integer arguments do.
Fixes "Double f(float,Double,double)" test in #371
* mips: fix pointer cast warnings
Fix two pointer cast warnings when compiled on 64-bit mips by casting
through uintptr_t.
Fixes mips64el part of #404
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