kc3-lang/libffi/src/pa

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  • Hash : 8eb2d2b0
    Author : Moxie Bot
    Date : 2020-02-24T10:29:20 

    Revamp PA_LINUX and PA_HPUX target closures to use function descriptors.

	2020-02-23  John David Anglin  <danglin@gcc.gnu.org>

	* include/ffi.h.in (FFI_CLOSURE_PTR, FFI_RESTORE_PTR): Define.
	* src/closures.c (ffi_closure_alloc): Convert closure pointer
	return by malloc to function pointer.
	(ffi_closure_free): Convert function pointer back to malloc pointer.
	* src/pa/ffi.c (ffi_closure_inner_pa32): Use union to double word
	align return address on stack.  Adjust statements referencing return
	address.  Convert closure argument from function pointer to standard
	closure pointer.
	(ffi_prep_closure_loc): Likewise convert closure argument back to
	closure pointer.  Remove assembler trampolines.  Setup simulated
	function descriptor as on ia64.
	src/pa/ffitarget.h (FFI_TRAMPOLINE_SIZE): Reduce to 12.
	src/pa/hpux32.S (ffi_closure_pa32): Retrieve closure pointer and real
	gp from fake gp value in register %r19.
	src/pa/linux.S (ffi_closure_pa32): Likewise.

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