historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/roms/openbios/libopenbios/clib.fs

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2024-01-16 11:20:27 -06:00
\ tag: C helpers
\
\ Misc C helpers
\
\ Copyright (C) 2003, 2004 Samuel Rydh
\
\ See the file "COPYING" for further information about
\ the copyright and warranty status of this work.
\
\ should perhaps be moved somewhere else
: set-property ( buf len propname propname-len phandle -- )
>r 2swap encode-bytes 2swap r> encode-property
;
\ install C function
: is-cfunc ( funcaddr word word-len -- )
$create , does> @ call
;
\ install a nameless C function
: is-noname-cfunc ( funcaddr -- xt )
0 0 is-cfunc last-xt
;
\ is-xt-cfunc installs a function which does the following:
\ - xt is executes
\ - funcarg is pushed
\ - funcaddr is called
: is-xt-cfunc ( xt|0 funcarg funcaddr word word-len -- )
is-func-begin
rot ?dup if , then
swap ['] (lit) , , ['] (lit) , , ['] call ,
is-func-end
;