* src/pa/ffi.c (ffi_struct_type): Put type declaration on separate line.
(ffi_prep_args_pa32): Likewise.
(ffi_size_stack_pa32): Likewise.
(ffi_prep_cif_machdep): Likewise.
(ffi_call): Likewise. Rename to ffi_call_int. Add closure argument
and update call to ffi_call_pa32.
(ffi_call, ffi_call_go, ffi_prep_go_closure): New.
(ffi_closure_inner_pa32): Update to handle go closures.
* src/pa/ffitarget.h (FFI_GO_CLOSURES): Define.
* src/pa/hpux32.S (ffi_call_pa32): Pass go closure argument in static
chain register (%ret1).
(ffi_closure_pa32): Set closure type argument to zero.
(ffi_go_closure_pa32): New function. Add unwind data for it.
* src/pa/linux.S: Likewise. Use cfi directives for unwind data.
* testsuite/libffi.go/static-chain.h (STATIC_CHAIN_REG): Define for
hppa.
From-SVN: r239978
