1 ! Copyright (C) 2008, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: namespaces accessors math.order assocs kernel sequences
4 combinators make classes words cpu.architecture
5 compiler.cfg.instructions compiler.cfg.registers
6 compiler.cfg.stack-frame ;
7 IN: compiler.cfg.build-stack-frame
9 SYMBOL: frame-required?
13 GENERIC: compute-stack-frame* ( insn -- )
15 : request-stack-frame ( stack-frame -- )
17 stack-frame [ max-stack-frame ] change ;
19 M: ##alien-invoke compute-stack-frame*
20 stack-frame>> request-stack-frame ;
22 M: ##alien-indirect compute-stack-frame*
23 stack-frame>> request-stack-frame ;
25 M: ##alien-callback compute-stack-frame*
26 stack-frame>> request-stack-frame ;
28 M: ##call compute-stack-frame*
29 word>> sub-primitive>> [ frame-required? on ] unless ;
31 M: _gc compute-stack-frame*
33 stack-frame new swap gc-root-size>> >>gc-root-size
36 M: _spill-counts compute-stack-frame*
37 counts>> stack-frame get (>>spill-counts) ;
39 M: insn compute-stack-frame*
40 class frame-required? word-prop [
44 \ _spill t frame-required? set-word-prop
46 : compute-stack-frame ( insns -- )
48 T{ stack-frame } clone stack-frame set
49 [ compute-stack-frame* ] each
50 stack-frame get dup stack-frame-size >>total-size drop ;
52 GENERIC: insert-pro/epilogues* ( insn -- )
54 M: ##prologue insert-pro/epilogues*
55 drop frame-required? get [ stack-frame get _prologue ] when ;
57 M: ##epilogue insert-pro/epilogues*
58 drop frame-required? get [ stack-frame get _epilogue ] when ;
60 M: insn insert-pro/epilogues* , ;
62 : insert-pro/epilogues ( insns -- insns )
63 [ [ insert-pro/epilogues* ] each ] { } make ;
65 : build-stack-frame ( mr -- mr )
68 [ compute-stack-frame ]
69 [ insert-pro/epilogues ]