! Copyright (C) 2005, 2010 Slava Pestov. ! See http://factorcode.org/license.txt for BSD license. USING: accessors arrays kernel math namespaces make sequences system layouts alien alien.c-types alien.accessors alien.libraries slots splitting assocs combinators locals compiler.constants compiler.codegen compiler.codegen.fixup compiler.cfg.instructions compiler.cfg.builder compiler.cfg.intrinsics compiler.cfg.stack-frame cpu.x86.assembler cpu.x86.assembler.operands cpu.x86 cpu.architecture vm ; FROM: layouts => cell cells ; IN: cpu.x86.64 : param-reg-0 ( -- reg ) 0 int-regs param-reg ; inline : param-reg-1 ( -- reg ) 1 int-regs param-reg ; inline : param-reg-2 ( -- reg ) 2 int-regs param-reg ; inline : param-reg-3 ( -- reg ) 3 int-regs param-reg ; inline M: x86.64 pic-tail-reg RBX ; M: int-regs return-reg drop RAX ; M: float-regs return-reg drop XMM0 ; M: x86.64 ds-reg R14 ; M: x86.64 rs-reg R15 ; M: x86.64 stack-reg RSP ; M: x86.64 frame-reg RBP ; M: x86.64 extra-stack-space drop 0 ; M: x86.64 machine-registers { { int-regs { RAX RCX RDX RBX RBP RSI RDI R8 R9 R10 R11 R12 } } { float-regs { XMM0 XMM1 XMM2 XMM3 XMM4 XMM5 XMM6 XMM7 XMM8 XMM9 XMM10 XMM11 XMM12 XMM13 XMM14 XMM15 } } } ; : vm-reg ( -- reg ) R13 ; inline M: x86.64 %mov-vm-ptr ( reg -- ) vm-reg MOV ; M: x86.64 %vm-field ( dst field -- ) [ vm-reg ] dip vm-field-offset [+] MOV ; M: x86.64 %vm-field-ptr ( dst field -- ) [ vm-reg ] dip vm-field-offset [+] LEA ; : param@ ( n -- op ) reserved-stack-space + stack@ ; M: x86.64 %prologue ( n -- ) temp-reg -7 [] LEA dup PUSH temp-reg PUSH stack-reg swap 3 cells - SUB ; M: x86.64 %prepare-jump pic-tail-reg xt-tail-pic-offset [] LEA ; : load-cards-offset ( dst -- ) 0 MOV rc-absolute-cell rel-cards-offset ; M: x86.64 %mark-card dup load-cards-offset [+] card-mark MOV ; : load-decks-offset ( dst -- ) 0 MOV rc-absolute-cell rel-decks-offset ; M: x86.64 %mark-deck dup load-decks-offset [+] card-mark MOV ; M:: x86.64 %dispatch ( src temp -- ) ! Load jump table base. temp HEX: ffffffff MOV building get length :> start 0 rc-absolute-cell rel-here ! Add jump table base temp src ADD temp HEX: 7f [+] JMP building get length :> end ! Fix up the displacement above cell code-alignment [ end start - + building get dup pop* push ] [ align-code ] bi ; M: stack-params copy-register* drop { { [ dup integer? ] [ R11 swap next-stack@ MOV R11 MOV ] } { [ over integer? ] [ R11 swap MOV param@ R11 MOV ] } } cond ; M: x86.64 %save-param-reg [ param@ ] 2dip %copy ; M: x86.64 %load-param-reg [ swap param@ ] dip %copy ; : with-return-regs ( quot -- ) [ V{ RDX RAX } clone int-regs set V{ XMM1 XMM0 } clone float-regs set call ] with-scope ; inline M: x86.64 %pop-stack ( n -- ) param-reg-0 swap ds-reg reg-stack MOV ; M: x86.64 %pop-context-stack ( -- ) temp-reg "ctx" %vm-field param-reg-0 temp-reg "datastack" context-field-offset [+] MOV param-reg-0 param-reg-0 [] MOV temp-reg "datastack" context-field-offset [+] bootstrap-cell SUB ; M:: x86.64 %unbox ( n rep func -- ) param-reg-1 %mov-vm-ptr ! Call the unboxer func f %alien-invoke ! Store the return value on the C stack if this is an ! alien-invoke, otherwise leave it the return register if ! this is the end of alien-callback n [ n rep reg-class-of return-reg rep %save-param-reg ] when ; : %unbox-struct-field ( c-type i -- ) ! Alien must be in param-reg-0. R11 swap cells [+] swap rep>> reg-class-of { { int-regs [ int-regs get pop swap MOV ] } { float-regs [ float-regs get pop swap MOVSD ] } } case ; M: x86.64 %unbox-small-struct ( c-type -- ) ! Alien must be in param-reg-0. param-reg-1 %mov-vm-ptr "alien_offset" f %alien-invoke ! Move alien_offset() return value to R11 so that we don't ! clobber it. R11 RAX MOV [ flatten-value-type [ %unbox-struct-field ] each-index ] with-return-regs ; M:: x86.64 %unbox-large-struct ( n c-type -- ) ! Source is in param-reg-0 ! Load destination address into param-reg-1 param-reg-1 n param@ LEA ! Load structure size into param-reg-2 param-reg-2 c-type heap-size MOV param-reg-3 %mov-vm-ptr ! Copy the struct to the C stack "to_value_struct" f %alien-invoke ; : load-return-value ( rep -- ) [ [ 0 ] dip reg-class-of param-reg ] [ reg-class-of return-reg ] [ ] tri %copy ; M:: x86.64 %box ( n rep func -- ) n [ n 0 rep reg-class-of param-reg rep %load-param-reg ] [ rep load-return-value ] if rep int-rep? cpu x86.64? os windows? and or param-reg-1 param-reg-0 ? %mov-vm-ptr func f %alien-invoke ; : box-struct-field@ ( i -- operand ) 1 + cells param@ ; : %box-struct-field ( c-type i -- ) box-struct-field@ swap c-type-rep reg-class-of { { int-regs [ int-regs get pop MOV ] } { float-regs [ float-regs get pop MOVSD ] } } case ; M: x86.64 %box-small-struct ( c-type -- ) #! Box a <= 16-byte struct. [ [ flatten-value-type [ %box-struct-field ] each-index ] [ param-reg-2 swap heap-size MOV ] bi param-reg-0 0 box-struct-field@ MOV param-reg-1 1 box-struct-field@ MOV param-reg-3 %mov-vm-ptr "from_small_struct" f %alien-invoke ] with-return-regs ; : struct-return@ ( n -- operand ) [ stack-frame get params>> ] unless* param@ ; M: x86.64 %box-large-struct ( n c-type -- ) ! Struct size is parameter 2 param-reg-1 swap heap-size MOV ! Compute destination address param-reg-0 swap struct-return@ LEA param-reg-2 %mov-vm-ptr ! Copy the struct from the C stack "from_value_struct" f %alien-invoke ; M: x86.64 %prepare-box-struct ( -- ) ! Compute target address for value struct return RAX f struct-return@ LEA ! Store it as the first parameter 0 param@ RAX MOV ; M: x86.64 %prepare-var-args RAX RAX XOR ; M: x86.64 %alien-invoke R11 0 MOV rc-absolute-cell rel-dlsym R11 CALL ; M: x86.64 %nest-stacks ( -- ) param-reg-0 %mov-vm-ptr "nest_stacks" f %alien-invoke ; M: x86.64 %unnest-stacks ( -- ) param-reg-0 %mov-vm-ptr "unnest_stacks" f %alien-invoke ; M: x86.64 %prepare-alien-indirect ( -- ) param-reg-0 ds-reg [] MOV ds-reg 8 SUB param-reg-1 %mov-vm-ptr "pinned_alien_offset" f %alien-invoke RBP RAX MOV ; M: x86.64 %alien-indirect ( -- ) RBP CALL ; M: x86.64 %alien-callback ( quot -- ) param-reg-0 param-reg-1 %restore-context param-reg-0 swap %load-reference param-reg-0 quot-entry-point-offset [+] CALL param-reg-0 param-reg-1 %save-context ; M: x86.64 %callback-value ( ctype -- ) %pop-context-stack RSP 8 SUB param-reg-0 PUSH param-reg-0 %mov-vm-ptr ! Restore data/call/retain stacks "unnest_stacks" f %alien-invoke ! Put former top of data stack in param-reg-0 param-reg-0 POP RSP 8 ADD ! Unbox former top of data stack to return registers unbox-return ; : float-function-param ( i src -- ) [ float-regs param-regs nth ] dip double-rep %copy ; : float-function-return ( reg -- ) float-regs return-reg double-rep %copy ; M:: x86.64 %unary-float-function ( dst src func -- ) 0 src float-function-param func "libm" load-library %alien-invoke dst float-function-return ; M:: x86.64 %binary-float-function ( dst src1 src2 func -- ) ! src1 might equal dst; otherwise it will be a spill slot ! src2 is always a spill slot 0 src1 float-function-param 1 src2 float-function-param func "libm" load-library %alien-invoke dst float-function-return ; M:: x86.64 %call-gc ( gc-root-count temp -- ) ! Pass pointer to start of GC roots as first parameter param-reg-0 gc-root-base param@ LEA ! Pass number of roots as second parameter param-reg-1 gc-root-count MOV ! Pass VM ptr as third parameter param-reg-2 %mov-vm-ptr ! Call GC "inline_gc" f %alien-invoke ; ! The result of reading 4 bytes from memory is a fixnum on ! x86-64. enable-alien-4-intrinsics USE: vocabs.loader { { [ os unix? ] [ "cpu.x86.64.unix" require ] } { [ os winnt? ] [ "cpu.x86.64.winnt" require ] } } cond check-sse