1 ! Copyright (C) 2005, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays kernel math namespaces make sequences system
4 layouts alien alien.c-types alien.accessors slots
5 splitting assocs combinators locals compiler.constants
6 compiler.codegen compiler.codegen.fixup compiler.cfg.instructions
7 compiler.cfg.builder compiler.cfg.intrinsics compiler.cfg.stack-frame
8 cpu.x86.assembler cpu.x86.assembler.operands cpu.x86 cpu.architecture ;
11 M: x86.64 machine-registers
13 { int-regs { RAX RCX RDX RBX RBP RSI RDI R8 R9 R10 R11 R12 R13 } }
15 XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7
16 XMM8 XMM9 XMM10 XMM11 XMM12 XMM13 XMM14 XMM15
20 M: x86.64 ds-reg R14 ;
21 M: x86.64 rs-reg R15 ;
22 M: x86.64 stack-reg RSP ;
24 : load-cards-offset ( dst -- )
25 0 MOV rc-absolute-cell rel-cards-offset ;
29 [+] card-mark <byte> MOV ;
31 : load-decks-offset ( dst -- )
32 0 MOV rc-absolute-cell rel-decks-offset ;
36 [+] card-mark <byte> MOV ;
38 M:: x86.64 %dispatch ( src temp -- )
39 building get length :> start
40 ! Load jump table base.
41 temp HEX: ffffffff MOV
42 0 rc-absolute-cell rel-here
46 building get length :> end
47 ! Fix up the displacement above
49 [ end start - 2 - + building get dup pop* push ]
53 : param-reg-1 ( -- reg ) int-regs param-regs first ; inline
54 : param-reg-2 ( -- reg ) int-regs param-regs second ; inline
55 : param-reg-3 ( -- reg ) int-regs param-regs third ; inline
56 : param-reg-4 ( -- reg ) int-regs param-regs fourth ; inline
58 M: x86.64 pic-tail-reg RBX ;
60 M: int-regs return-reg drop RAX ;
61 M: float-regs return-reg drop XMM0 ;
63 M: x86.64 %prologue ( n -- )
64 temp-reg 0 MOV rc-absolute-cell rel-this
67 stack-reg swap 3 cells - SUB ;
69 M: stack-params copy-register*
72 { [ dup integer? ] [ R11 swap next-stack@ MOV R11 MOV ] }
73 { [ over integer? ] [ R11 swap MOV param@ R11 MOV ] }
76 M: x86 %save-param-reg [ param@ ] 2dip %copy ;
78 M: x86 %load-param-reg [ swap param@ ] dip %copy ;
80 : with-return-regs ( quot -- )
82 V{ RDX RAX } clone int-regs set
83 V{ XMM1 XMM0 } clone float-regs set
87 M: x86.64 %prepare-unbox ( -- )
88 ! First parameter is top of stack
89 param-reg-1 R14 [] MOV
92 M:: x86.64 %unbox ( n rep func -- )
93 param-reg-2 %mov-vm-ptr
96 ! Store the return value on the C stack if this is an
97 ! alien-invoke, otherwise leave it the return register if
98 ! this is the end of alien-callback
99 n [ n rep reg-class-of return-reg rep %save-param-reg ] when ;
101 M: x86.64 %unbox-long-long ( n func -- )
102 [ int-rep ] dip %unbox ;
104 : %unbox-struct-field ( c-type i -- )
105 ! Alien must be in param-reg-1.
106 R11 swap cells [+] swap rep>> reg-class-of {
107 { int-regs [ int-regs get pop swap MOV ] }
108 { float-regs [ float-regs get pop swap MOVSD ] }
111 M: x86.64 %unbox-small-struct ( c-type -- )
112 ! Alien must be in param-reg-1.
113 param-reg-2 %mov-vm-ptr
114 "alien_offset" f %alien-invoke
115 ! Move alien_offset() return value to R11 so that we don't
119 flatten-value-type [ %unbox-struct-field ] each-index
122 M:: x86.64 %unbox-large-struct ( n c-type -- )
123 ! Source is in param-reg-1
124 ! Load destination address into param-reg-2
125 param-reg-2 n param@ LEA
126 ! Load structure size into param-reg-3
127 param-reg-3 c-type heap-size MOV
128 param-reg-4 %mov-vm-ptr
129 ! Copy the struct to the C stack
130 "to_value_struct" f %alien-invoke ;
132 : load-return-value ( rep -- )
133 [ [ 0 ] dip reg-class-of param-reg ]
134 [ reg-class-of return-reg ]
138 M:: x86.64 %box ( n rep func -- )
141 0 rep reg-class-of param-reg
144 rep load-return-value
146 rep int-rep? [ param-reg-2 ] [ param-reg-1 ] if %mov-vm-ptr
147 func f %alien-invoke ;
149 M: x86.64 %box-long-long ( n func -- )
150 [ int-rep ] dip %box ;
152 : box-struct-field@ ( i -- operand ) 1 + cells param@ ;
154 : %box-struct-field ( c-type i -- )
155 box-struct-field@ swap c-type-rep reg-class-of {
156 { int-regs [ int-regs get pop MOV ] }
157 { float-regs [ float-regs get pop MOVSD ] }
160 M: x86.64 %box-small-struct ( c-type -- )
161 #! Box a <= 16-byte struct.
163 [ flatten-value-type [ %box-struct-field ] each-index ]
164 [ param-reg-3 swap heap-size MOV ] bi
165 param-reg-1 0 box-struct-field@ MOV
166 param-reg-2 1 box-struct-field@ MOV
167 param-reg-4 %mov-vm-ptr
168 "box_small_struct" f %alien-invoke
171 : struct-return@ ( n -- operand )
172 [ stack-frame get params>> ] unless* param@ ;
174 M: x86.64 %box-large-struct ( n c-type -- )
175 ! Struct size is parameter 2
176 param-reg-2 swap heap-size MOV
177 ! Compute destination address
178 param-reg-1 swap struct-return@ LEA
179 param-reg-3 %mov-vm-ptr
180 ! Copy the struct from the C stack
181 "box_value_struct" f %alien-invoke ;
183 M: x86.64 %prepare-box-struct ( -- )
184 ! Compute target address for value struct return
185 RAX f struct-return@ LEA
186 ! Store it as the first parameter
189 M: x86.64 %prepare-var-args RAX RAX XOR ;
191 M: x86.64 %alien-invoke
193 rc-absolute-cell rel-dlsym
196 M: x86.64 %nest-stacks ( -- )
197 ! Save current frame. See comment in vm/contexts.hpp
198 param-reg-1 stack-reg stack-frame get total-size>> 3 cells - [+] LEA
199 param-reg-2 %mov-vm-ptr
200 "nest_stacks" f %alien-invoke ;
202 M: x86.64 %unnest-stacks ( -- )
203 param-reg-1 %mov-vm-ptr
204 "unnest_stacks" f %alien-invoke ;
206 M: x86.64 %prepare-alien-indirect ( -- )
207 param-reg-1 %mov-vm-ptr
208 "unbox_alien" f %alien-invoke
211 M: x86.64 %alien-indirect ( -- )
214 M: x86.64 %alien-callback ( quot -- )
215 param-reg-1 swap %load-reference
216 param-reg-2 %mov-vm-ptr
217 "c_to_factor" f %alien-invoke ;
219 M: x86.64 %callback-value ( ctype -- )
220 ! Save top of data stack
222 ! Save top of data stack
225 param-reg-1 %mov-vm-ptr
226 ! Restore data/call/retain stacks
227 "unnest_stacks" f %alien-invoke
228 ! Put former top of data stack in param-reg-1
231 ! Unbox former top of data stack to return registers
234 : float-function-param ( i src -- )
235 [ float-regs param-regs nth ] dip double-rep %copy ;
237 : float-function-return ( reg -- )
238 float-regs return-reg double-rep %copy ;
240 M:: x86.64 %unary-float-function ( dst src func -- )
241 0 src float-function-param
243 dst float-function-return ;
245 M:: x86.64 %binary-float-function ( dst src1 src2 func -- )
246 ! src1 might equal dst; otherwise it will be a spill slot
247 ! src2 is always a spill slot
248 0 src1 float-function-param
249 1 src2 float-function-param
251 dst float-function-return ;
253 M:: x86.64 %call-gc ( gc-root-count temp -- )
254 ! Pass pointer to start of GC roots as first parameter
255 param-reg-1 gc-root-base param@ LEA
256 ! Pass number of roots as second parameter
257 param-reg-2 gc-root-count MOV
258 ! Pass VM ptr as third parameter
259 param-reg-3 %mov-vm-ptr
261 "inline_gc" f %alien-invoke ;
263 ! The result of reading 4 bytes from memory is a fixnum on
265 enable-alien-4-intrinsics
270 { [ os unix? ] [ "cpu.x86.64.unix" require ] }
271 { [ os winnt? ] [ "cpu.x86.64.winnt" require ] }