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 M:: x86.64 %dispatch ( src temp -- )
25 building get length :> start
26 ! Load jump table base.
27 temp HEX: ffffffff MOV
28 0 rc-absolute-cell rel-here
32 building get length :> end
33 ! Fix up the displacement above
35 [ end start - 2 - + building get dup pop* push ]
39 : param-reg-1 ( -- reg ) int-regs param-regs first ; inline
40 : param-reg-2 ( -- reg ) int-regs param-regs second ; inline
41 : param-reg-3 ( -- reg ) int-regs param-regs third ; inline
43 M: x86.64 pic-tail-reg RBX ;
45 M: int-regs return-reg drop RAX ;
46 M: float-regs return-reg drop XMM0 ;
48 M: x86.64 %prologue ( n -- )
49 temp-reg 0 MOV rc-absolute-cell rel-this
52 stack-reg swap 3 cells - SUB ;
54 M: stack-params copy-register*
57 { [ dup integer? ] [ R11 swap next-stack@ MOV R11 MOV ] }
58 { [ over integer? ] [ R11 swap MOV param@ R11 MOV ] }
61 M: x86 %save-param-reg [ param@ ] 2dip %copy ;
63 M: x86 %load-param-reg [ swap param@ ] dip %copy ;
65 : with-return-regs ( quot -- )
67 V{ RDX RAX } clone int-regs set
68 V{ XMM1 XMM0 } clone float-regs set
72 M: x86.64 %prepare-unbox ( -- )
73 ! First parameter is top of stack
74 param-reg-1 R14 [] MOV
77 : %vm-invoke-1st-arg ( function -- )
78 param-reg-1 0 MOV rc-absolute-cell rt-vm rel-fixup
81 : %vm-invoke-2nd-arg ( function -- )
82 param-reg-2 0 MOV rc-absolute-cell rt-vm rel-fixup
85 : %vm-invoke-3rd-arg ( function -- )
86 param-reg-3 0 MOV rc-absolute-cell rt-vm rel-fixup
89 : %vm-invoke-4th-arg ( function -- )
90 int-regs param-regs fourth 0 MOV rc-absolute-cell rt-vm rel-fixup
94 M:: x86.64 %unbox ( n rep func -- )
96 func %vm-invoke-2nd-arg
97 ! Store the return value on the C stack if this is an
98 ! alien-invoke, otherwise leave it the return register if
99 ! this is the end of alien-callback
100 n [ n rep reg-class-of return-reg rep %save-param-reg ] when ;
102 M: x86.64 %unbox-long-long ( n func -- )
103 [ int-rep ] dip %unbox ;
105 : %unbox-struct-field ( c-type i -- )
106 ! Alien must be in param-reg-1.
107 R11 swap cells [+] swap rep>> reg-class-of {
108 { int-regs [ int-regs get pop swap MOV ] }
109 { float-regs [ float-regs get pop swap MOVSD ] }
113 M: x86.64 %unbox-small-struct ( c-type -- )
114 ! Alien must be in param-reg-1.
115 "alien_offset" %vm-invoke-2nd-arg
116 ! Move alien_offset() return value to R11 so that we don't
120 flatten-value-type [ %unbox-struct-field ] each-index
123 M:: x86.64 %unbox-large-struct ( n c-type -- )
124 ! Source is in param-reg-1
125 ! Load destination address into param-reg-2
126 param-reg-2 n param@ LEA
127 ! Load structure size into param-reg-3
128 param-reg-3 c-type heap-size MOV
129 ! Copy the struct to the C stack
130 "to_value_struct" %vm-invoke-4th-arg ;
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? [ func %vm-invoke-2nd-arg ] [ func %vm-invoke-1st-arg ] if ;
148 M: x86.64 %box-long-long ( n func -- )
149 [ int-rep ] dip %box ;
151 : box-struct-field@ ( i -- operand ) 1 + cells param@ ;
153 : %box-struct-field ( c-type i -- )
154 box-struct-field@ swap c-type-rep reg-class-of {
155 { int-regs [ int-regs get pop MOV ] }
156 { float-regs [ float-regs get pop MOVSD ] }
159 M: x86.64 %box-small-struct ( c-type -- )
160 #! Box a <= 16-byte struct.
162 [ flatten-value-type [ %box-struct-field ] each-index ]
163 [ param-reg-3 swap heap-size MOV ] bi
164 param-reg-1 0 box-struct-field@ MOV
165 param-reg-2 1 box-struct-field@ MOV
166 "box_small_struct" %vm-invoke-4th-arg
169 : struct-return@ ( n -- operand )
170 [ stack-frame get params>> ] unless* param@ ;
172 M: x86.64 %box-large-struct ( n c-type -- )
173 ! Struct size is parameter 2
174 param-reg-2 swap heap-size MOV
175 ! Compute destination address
176 param-reg-1 swap struct-return@ LEA
177 ! Copy the struct from the C stack
178 "box_value_struct" %vm-invoke-3rd-arg ;
180 M: x86.64 %prepare-box-struct ( -- )
181 ! Compute target address for value struct return
182 RAX f struct-return@ LEA
183 ! Store it as the first parameter
186 M: x86.64 %prepare-var-args RAX RAX XOR ;
188 M: x86.64 %alien-invoke
190 rc-absolute-cell rel-dlsym
194 M: x86.64 %prepare-alien-indirect ( -- )
195 "unbox_alien" %vm-invoke-1st-arg
198 M: x86.64 %alien-indirect ( -- )
201 M: x86.64 %alien-callback ( quot -- )
202 param-reg-1 swap %load-reference
203 "c_to_factor" %vm-invoke-2nd-arg ;
205 M: x86.64 %callback-value ( ctype -- )
206 ! Save top of data stack
208 ! Save top of data stack
211 ! Restore data/call/retain stacks
212 "unnest_stacks" %vm-invoke-1st-arg
213 ! Put former top of data stack in param-reg-1
216 ! Unbox former top of data stack to return registers
219 : float-function-param ( i spill-slot -- )
220 [ float-regs param-regs nth ] [ n>> spill@ ] bi* MOVSD ;
222 : float-function-return ( reg -- )
223 float-regs return-reg double-rep %copy ;
225 M:: x86.64 %unary-float-function ( dst src func -- )
226 0 src float-function-param
228 dst float-function-return ;
230 M:: x86.64 %binary-float-function ( dst src1 src2 func -- )
231 0 src1 float-function-param
232 1 src2 float-function-param
234 dst float-function-return ;
236 M:: x86.64 %call-gc ( gc-root-count temp1 -- )
237 ! Pass pointer to start of GC roots as first parameter
238 param-reg-1 gc-root-base param@ LEA
239 ! Pass number of roots as second parameter
240 param-reg-2 gc-root-count MOV
241 ! Pass vm as third parameter
242 param-reg-3 0 MOV rc-absolute-cell rt-vm rel-fixup
244 "inline_gc" f %alien-invoke ;
246 ! The result of reading 4 bytes from memory is a fixnum on
248 enable-alien-4-intrinsics
250 ! Enable fast calling of libc math functions
251 enable-float-functions
256 { [ os unix? ] [ "cpu.x86.64.unix" require ] }
257 { [ os winnt? ] [ "cpu.x86.64.winnt" require ] }