1 ! Copyright (C) 2005, 2010 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays kernel math namespaces make sequences
4 system layouts alien alien.c-types alien.accessors alien.libraries
5 slots splitting assocs combinators fry locals compiler.constants
6 classes.struct compiler.codegen compiler.codegen.fixup
7 compiler.cfg.instructions compiler.cfg.builder
8 compiler.cfg.intrinsics compiler.cfg.stack-frame
9 cpu.x86.assembler cpu.x86.assembler.operands cpu.x86
11 FROM: layouts => cell cells ;
14 : param-reg ( n -- reg ) int-regs cdecl param-regs at nth ;
16 : param-reg-0 ( -- reg ) 0 param-reg ; inline
17 : param-reg-1 ( -- reg ) 1 param-reg ; inline
18 : param-reg-2 ( -- reg ) 2 param-reg ; inline
19 : param-reg-3 ( -- reg ) 3 param-reg ; inline
21 M: x86.64 pic-tail-reg RBX ;
25 { int-regs { RAX EDX } }
26 { float-regs { XMM0 XMM1 } }
29 M: x86.64 ds-reg R14 ;
30 M: x86.64 rs-reg R15 ;
31 M: x86.64 stack-reg RSP ;
32 M: x86.64 frame-reg RBP ;
34 M: x86.64 machine-registers
36 { int-regs { RAX RCX RDX RBX RBP RSI RDI R8 R9 R10 R11 R12 } }
38 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7
39 XMM8 XMM9 XMM10 XMM11 XMM12 XMM13 XMM14 XMM15
43 : vm-reg ( -- reg ) R13 ; inline
44 : nv-reg ( -- reg ) RBX ; inline
46 M: x86.64 %mov-vm-ptr ( reg -- )
49 M: x86.64 %vm-field ( dst offset -- )
50 [ vm-reg ] dip [+] MOV ;
52 M:: x86.64 %load-vector ( dst val rep -- )
53 dst 0 [RIP+] rep copy-memory* val rc-relative rel-binary-literal ;
55 M: x86.64 %set-vm-field ( src offset -- )
56 [ vm-reg ] dip [+] swap MOV ;
58 M: x86.64 %vm-field-ptr ( dst offset -- )
59 [ vm-reg ] dip [+] LEA ;
61 M: x86.64 %prologue ( n -- )
65 stack-reg swap 3 cells - SUB ;
67 M: x86.64 %prepare-jump
68 pic-tail-reg xt-tail-pic-offset [RIP+] LEA ;
70 : load-cards-offset ( dst -- )
71 0 MOV rc-absolute-cell rel-cards-offset ;
75 [+] card-mark <byte> MOV ;
77 : load-decks-offset ( dst -- )
78 0 MOV rc-absolute-cell rel-decks-offset ;
82 [+] card-mark <byte> MOV ;
84 M:: x86.64 %load-stack-param ( vreg rep n -- )
85 rep return-reg n next-stack@ rep %copy
86 vreg rep return-reg rep %copy ;
88 M:: x86.64 %store-stack-param ( vreg rep n -- )
89 rep return-reg vreg rep %copy
90 n reserved-stack-space + stack@ rep return-reg rep %copy ;
92 M:: x86.64 %load-reg-param ( vreg rep reg -- )
95 M:: x86.64 %store-reg-param ( vreg rep reg -- )
98 M: x86.64 %discard-reg-param ( rep reg -- )
101 M:: x86.64 %unbox ( dst src func rep -- )
102 param-reg-0 src tagged-rep %copy
103 param-reg-1 %mov-vm-ptr
105 dst rep %load-return ;
107 M:: x86.64 %box ( dst src func rep gc-map -- )
108 0 rep reg-class-of cdecl param-regs at nth src rep %copy
109 rep int-rep? os windows? or param-reg-1 param-reg-0 ? %mov-vm-ptr
110 func f gc-map %c-invoke
111 dst int-rep %load-return ;
114 [ R11 0 MOV rc-absolute-cell rel-dlsym R11 CALL ] dip
117 M: x86.64 %begin-callback ( -- )
118 param-reg-0 %mov-vm-ptr
120 "begin_callback" f f %c-invoke ;
122 M: x86.64 %end-callback ( -- )
123 param-reg-0 %mov-vm-ptr
124 "end_callback" f f %c-invoke ;
126 M: x86.64 %prepare-var-args ( -- ) RAX RAX XOR ;
128 M: x86.64 stack-cleanup 3drop 0 ;
130 M: x86.64 %cleanup 0 assert= ;
132 M: x86.64 long-long-on-stack? f ;
134 M: x86.64 float-on-stack? f ;
136 M: x86.64 struct-return-on-stack? f ;
138 ! The result of reading 4 bytes from memory is a fixnum on
140 enable-alien-4-intrinsics
145 { [ os unix? ] [ "cpu.x86.64.unix" require ] }
146 { [ os winnt? ] [ "cpu.x86.64.winnt" require ] }