// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "zasm_GOOS_GOARCH.h"
#include "funcdata.h"
#include "../../cmd/ld/textflag.h"
TEXT _rt0_go(SB),NOSPLIT,$0
// copy arguments forward on an even stack
MOVL argc+0(FP), AX
MOVL argv+4(FP), BX
SUBL $128, SP // plenty of scratch
ANDL $~15, SP
MOVL AX, 120(SP) // save argc, argv away
MOVL BX, 124(SP)
// set default stack bounds.
// _cgo_init may update stackguard.
MOVL $runtime·g0(SB), BP
LEAL (-64*1024+104)(SP), BX
MOVL BX, g_stackguard(BP)
MOVL BX, g_stackguard0(BP)
MOVL SP, g_stackbase(BP)
// find out information about the processor we're on
MOVL $0, AX
CPUID
CMPL AX, $0
JE nocpuinfo
MOVL $1, AX
CPUID
MOVL CX, runtime·cpuid_ecx(SB)
MOVL DX, runtime·cpuid_edx(SB)
nocpuinfo:
// if there is an _cgo_init, call it to let it
// initialize and to set up GS. if not,
// we set up GS ourselves.
MOVL _cgo_init(SB), AX
TESTL AX, AX
JZ needtls
MOVL $setmg_gcc<>(SB), BX
MOVL BX, 4(SP)
MOVL BP, 0(SP)
CALL AX
// update stackguard after _cgo_init
MOVL $runtime·g0(SB), CX
MOVL g_stackguard0(CX), AX
MOVL AX, g_stackguard(CX)
// skip runtime·ldt0setup(SB) and tls test after _cgo_init for non-windows
CMPL runtime·iswindows(SB), $0
JEQ ok
needtls:
// skip runtime·ldt0setup(SB) and tls test on Plan 9 in all cases
CMPL runtime·isplan9(SB), $1
JEQ ok
// set up %gs
CALL runtime·ldt0setup(SB)
// store through it, to make sure it works
get_tls(BX)
MOVL $0x123, g(BX)
MOVL runtime·tls0(SB), AX
CMPL AX, $0x123
JEQ ok
MOVL AX, 0 // abort
ok:
// set up m and g "registers"
get_tls(BX)
LEAL runtime·g0(SB), CX
MOVL CX, g(BX)
LEAL runtime·m0(SB), AX
MOVL AX, m(BX)
// save m->g0 = g0
MOVL CX, m_g0(AX)
CALL runtime·emptyfunc(SB) // fault if stack check is wrong
// convention is D is always cleared
CLD
CALL runtime·check(SB)
// saved argc, argv
MOVL 120(SP), AX
MOVL AX, 0(SP)
MOVL 124(SP), AX
MOVL AX, 4(SP)
CALL runtime·args(SB)
CALL runtime·osinit(SB)
CALL runtime·hashinit(SB)
CALL runtime·schedinit(SB)
// create a new goroutine to start program
PUSHL $runtime·main·f(SB) // entry
PUSHL $0 // arg size
ARGSIZE(8)
CALL runtime·newproc(SB)
ARGSIZE(-1)
POPL AX
POPL AX
// start this M
CALL runtime·mstart(SB)
INT $3
RET
DATA runtime·main·f+0(SB)/4,$runtime·main(SB)
GLOBL runtime·main·f(SB),RODATA,$4
TEXT runtime·breakpoint(SB),NOSPLIT,$0-0
INT $3
RET
TEXT runtime·asminit(SB),NOSPLIT,$0-0
// Linux and MinGW start the FPU in extended double precision.
// Other operating systems use double precision.
// Change to double precision to match them,
// and to match other hardware that only has double.
PUSHL $0x27F
FLDCW 0(SP)
POPL AX
RET
/*
* go-routine
*/
// void gosave(Gobuf*)
// save state in Gobuf; setjmp
TEXT runtime·gosave(SB), NOSPLIT, $0-4
MOVL 4(SP), AX // gobuf
LEAL 4(SP), BX // caller's SP
MOVL BX, gobuf_sp(AX)
MOVL 0(SP), BX // caller's PC
MOVL BX, gobuf_pc(AX)
MOVL $0, gobuf_ret(AX)
MOVL $0, gobuf_ctxt(AX)
get_tls(CX)
MOVL g(CX), BX
MOVL BX, gobuf_g(AX)
RET
// void gogo(Gobuf*)
// restore state from Gobuf; longjmp
TEXT runtime·gogo(SB), NOSPLIT, $0-4
MOVL 4(SP), BX // gobuf
MOVL gobuf_g(BX), DX
MOVL 0(DX), CX // make sure g != nil
get_tls(CX)
MOVL DX, g(CX)
MOVL gobuf_sp(BX), SP // restore SP
MOVL gobuf_ret(BX), AX
MOVL gobuf_ctxt(BX), DX
MOVL $0, gobuf_sp(BX) // clear to help garbage collector
MOVL $0, gobuf_ret(BX)
MOVL $0, gobuf_ctxt(BX)
MOVL gobuf_pc(BX), BX
JMP BX
// void mcall(void (*fn)(G*))
// Switch to m->g0's stack, call fn(g).
// Fn must never return. It should gogo(&g->sched)
// to keep running g.
TEXT runtime·mcall(SB), NOSPLIT, $0-4
MOVL fn+0(FP), DI
get_tls(CX)
MOVL g(CX), AX // save state in g->sched
MOVL 0(SP), BX // caller's PC
MOVL BX, (g_sched+gobuf_pc)(AX)
LEAL 4(SP), BX // caller's SP
MOVL BX, (g_sched+gobuf_sp)(AX)
MOVL AX, (g_sched+gobuf_g)(AX)
// switch to m->g0 & its stack, call fn
MOVL m(CX), BX
MOVL m_g0(BX), SI
CMPL SI, AX // if g == m->g0 call badmcall
JNE 3(PC)
MOVL $runtime·badmcall(SB), AX
JMP AX
MOVL SI, g(CX) // g = m->g0
MOVL (g_sched+gobuf_sp)(SI), SP // sp = m->g0->sched.sp
PUSHL AX
CALL DI
POPL AX
MOVL $runtime·badmcall2(SB), AX
JMP AX
RET
/*
* support for morestack
*/
// Called during function prolog when more stack is needed.
//
// The traceback routines see morestack on a g0 as being
// the top of a stack (for example, morestack calling newstack
// calling the scheduler calling newm calling gc), so we must
// record an argument size. For that purpose, it has no arguments.
TEXT runtime·morestack(SB),NOSPLIT,$0-0
// Cannot grow scheduler stack (m->g0).
get_tls(CX)
MOVL m(CX), BX
MOVL m_g0(BX), SI
CMPL g(CX), SI
JNE 2(PC)
INT $3
// frame size in DI
// arg size in AX
// Save in m.
MOVL DI, m_moreframesize(BX)
MOVL AX, m_moreargsize(BX)
// Called from f.
// Set m->morebuf to f's caller.
MOVL 4(SP), DI // f's caller's PC
MOVL DI, (m_morebuf+gobuf_pc)(BX)
LEAL 8(SP), CX // f's caller's SP
MOVL CX, (m_morebuf+gobuf_sp)(BX)
MOVL CX, m_moreargp(BX)
get_tls(CX)
MOVL g(CX), SI
MOVL SI, (m_morebuf+gobuf_g)(BX)
// Set g->sched to context in f.
MOVL 0(SP), AX // f's PC
MOVL AX, (g_sched+gobuf_pc)(SI)
MOVL SI, (g_sched+gobuf_g)(SI)
LEAL 4(SP), AX // f's SP
MOVL AX, (g_sched+gobuf_sp)(SI)
MOVL DX, (g_sched+gobuf_ctxt)(SI)
// Call newstack on m->g0's stack.
MOVL m_g0(BX), BP
MOVL BP, g(CX)
MOVL (g_sched+gobuf_sp)(BP), AX
MOVL -4(AX), BX // fault if CALL would, before smashing SP
MOVL AX, SP
CALL runtime·newstack(SB)
MOVL $0, 0x1003 // crash if newstack returns
RET
TEXT runtime·morestack_noctxt(SB),NOSPLIT,$0-0
MOVL $0, DX
JMP runtime·morestack(SB)
// Called from panic. Mimics morestack,
// reuses stack growth code to create a frame
// with the desired args running the desired function.
//
// func call(fn *byte, arg *byte, argsize uint32).
TEXT runtime·newstackcall(SB), NOSPLIT, $0-12
get_tls(CX)
MOVL m(CX), BX
// Save our caller's state as the PC and SP to
// restore when returning from f.
MOVL 0(SP), AX // our caller's PC
MOVL AX, (m_morebuf+gobuf_pc)(BX)
LEAL 4(SP), AX // our caller's SP
MOVL AX, (m_morebuf+gobuf_sp)(BX)
MOVL g(CX), AX
MOVL AX, (m_morebuf+gobuf_g)(BX)
// Save our own state as the PC and SP to restore
// if this goroutine needs to be restarted.
MOVL $runtime·newstackcall(SB), (g_sched+gobuf_pc)(AX)
MOVL SP, (g_sched+gobuf_sp)(AX)
// Set up morestack arguments to call f on a new stack.
// We set f's frame size to 1, as a hint to newstack
// that this is a call from runtime·newstackcall.
// If it turns out that f needs a larger frame than
// the default stack, f's usual stack growth prolog will
// allocate a new segment (and recopy the arguments).
MOVL 4(SP), AX // fn
MOVL 8(SP), DX // arg frame
MOVL 12(SP), CX // arg size
MOVL AX, m_cret(BX) // f's PC
MOVL DX, m_moreargp(BX) // f's argument pointer
MOVL CX, m_moreargsize(BX) // f's argument size
MOVL $1, m_moreframesize(BX) // f's frame size
// Call newstack on m->g0's stack.
MOVL m_g0(BX), BP
get_tls(CX)
MOVL BP, g(CX)
MOVL (g_sched+gobuf_sp)(BP), SP
CALL runtime·newstack(SB)
MOVL $0, 0x1103 // crash if newstack returns
RET
// reflect·call: call a function with the given argument list
// func call(f *FuncVal, arg *byte, argsize uint32).
// we don't have variable-sized frames, so we use a small number
// of constant-sized-frame functions to encode a few bits of size in the pc.
// Caution: ugly multiline assembly macros in your future!
#define DISPATCH(NAME,MAXSIZE) \
CMPL CX, $MAXSIZE; \
JA 3(PC); \
MOVL $runtime·NAME(SB), AX; \
JMP AX
// Note: can't just "JMP runtime·NAME(SB)" - bad inlining results.
TEXT reflect·call(SB), NOSPLIT, $0-16
MOVL argsize+8(FP), CX
DISPATCH(call16, 16)
DISPATCH(call32, 32)
DISPATCH(call64, 64)
DISPATCH(call128, 128)
DISPATCH(call256, 256)
DISPATCH(call512, 512)
DISPATCH(call1024, 1024)
DISPATCH(call2048, 2048)
DISPATCH(call4096, 4096)
DISPATCH(call8192, 8192)
DISPATCH(call16384, 16384)
DISPATCH(call32768, 32768)
DISPATCH(call65536, 65536)
DISPATCH(call131072, 131072)
DISPATCH(call262144, 262144)
DISPATCH(call524288, 524288)
DISPATCH(call1048576, 1048576)
DISPATCH(call2097152, 2097152)
DISPATCH(call4194304, 4194304)
DISPATCH(call8388608, 8388608)
DISPATCH(call16777216, 16777216)
DISPATCH(call33554432, 33554432)
DISPATCH(call67108864, 67108864)
DISPATCH(call134217728, 134217728)
DISPATCH(call268435456, 268435456)
DISPATCH(call536870912, 536870912)
DISPATCH(call1073741824, 1073741824)
MOVL $runtime·badreflectcall(SB), AX
JMP AX
// Argument map for the callXX frames. Each has one
// stack map (for the single call) with 3 arguments.
DATA gcargs_reflectcall<>+0x00(SB)/4, $1 // 1 stackmap
DATA gcargs_reflectcall<>+0x04(SB)/4, $6 // 3 args
DATA gcargs_reflectcall<>+0x08(SB)/4, $(const_BitsPointer+(const_BitsPointer<<2)+(const_BitsScalar<<4))
GLOBL gcargs_reflectcall<>(SB),RODATA,$12
// callXX frames have no locals
DATA gclocals_reflectcall<>+0x00(SB)/4, $1 // 1 stackmap
DATA gclocals_reflectcall<>+0x04(SB)/4, $0 // 0 locals
GLOBL gclocals_reflectcall<>(SB),RODATA,$8
#define CALLFN(NAME,MAXSIZE) \
TEXT runtime·NAME(SB), WRAPPER, $MAXSIZE-16; \
FUNCDATA $FUNCDATA_ArgsPointerMaps,gcargs_reflectcall<>(SB); \
FUNCDATA $FUNCDATA_LocalsPointerMaps,gclocals_reflectcall<>(SB);\
/* copy arguments to stack */ \
MOVL argptr+4(FP), SI; \
MOVL argsize+8(FP), CX; \
MOVL SP, DI; \
REP;MOVSB; \
/* call function */ \
MOVL f+0(FP), DX; \
MOVL (DX), AX; \
PCDATA $PCDATA_StackMapIndex, $0; \
CALL AX; \
/* copy return values back */ \
MOVL argptr+4(FP), DI; \
MOVL argsize+8(FP), CX; \
MOVL retoffset+12(FP), BX; \
MOVL SP, SI; \
ADDL BX, DI; \
ADDL BX, SI; \
SUBL BX, CX; \
REP;MOVSB; \
RET
CALLFN(call16, 16)
CALLFN(call32, 32)
CALLFN(call64, 64)
CALLFN(call128, 128)
CALLFN(call256, 256)
CALLFN(call512, 512)
CALLFN(call1024, 1024)
CALLFN(call2048, 2048)
CALLFN(call4096, 4096)
CALLFN(call8192, 8192)
CALLFN(call16384, 16384)
CALLFN(call32768, 32768)
CALLFN(call65536, 65536)
CALLFN(call131072, 131072)
CALLFN(call262144, 262144)
CALLFN(call524288, 524288)
CALLFN(call1048576, 1048576)
CALLFN(call2097152, 2097152)
CALLFN(call4194304, 4194304)
CALLFN(call8388608, 8388608)
CALLFN(call16777216, 16777216)
CALLFN(call33554432, 33554432)
CALLFN(call67108864, 67108864)
CALLFN(call134217728, 134217728)
CALLFN(call268435456, 268435456)
CALLFN(call536870912, 536870912)
CALLFN(call1073741824, 1073741824)
// Return point when leaving stack.
//
// Lessstack can appear in stack traces for the same reason
// as morestack; in that context, it has 0 arguments.
TEXT runtime·lessstack(SB), NOSPLIT, $0-0
// Save return value in m->cret
get_tls(CX)
MOVL m(CX), BX
MOVL AX, m_cret(BX)
// Call oldstack on m->g0's stack.
MOVL m_g0(BX), BP
MOVL BP, g(CX)
MOVL (g_sched+gobuf_sp)(BP), SP
CALL runtime·oldstack(SB)
MOVL $0, 0x1004 // crash if oldstack returns
RET
// bool cas(int32 *val, int32 old, int32 new)
// Atomically:
// if(*val == old){
// *val = new;
// return 1;
// }else
// return 0;
TEXT runtime·cas(SB), NOSPLIT, $0-12
MOVL 4(SP), BX
MOVL 8(SP), AX
MOVL 12(SP), CX
LOCK
CMPXCHGL CX, 0(BX)
JZ 3(PC)
MOVL $0, AX
RET
MOVL $1, AX
RET
// bool runtime·cas64(uint64 *val, uint64 old, uint64 new)
// Atomically:
// if(*val == *old){
// *val = new;
// return 1;
// } else {
// return 0;
// }
TEXT runtime·cas64(SB), NOSPLIT, $0-20
MOVL 4(SP), BP
MOVL 8(SP), AX
MOVL 12(SP), DX
MOVL 16(SP), BX
MOVL 20(SP), CX
LOCK
CMPXCHG8B 0(BP)
JNZ cas64_fail
MOVL $1, AX
RET
cas64_fail:
MOVL $0, AX
RET
// bool casp(void **p, void *old, void *new)
// Atomically:
// if(*p == old){
// *p = new;
// return 1;
// }else
// return 0;
TEXT runtime·casp(SB), NOSPLIT, $0-12
MOVL 4(SP), BX
MOVL 8(SP), AX
MOVL 12(SP), CX
LOCK
CMPXCHGL CX, 0(BX)
JZ 3(PC)
MOVL $0, AX
RET
MOVL $1, AX
RET
// uint32 xadd(uint32 volatile *val, int32 delta)
// Atomically:
// *val += delta;
// return *val;
TEXT runtime·xadd(SB), NOSPLIT, $0-8
MOVL 4(SP), BX
MOVL 8(SP), AX
MOVL AX, CX
LOCK
XADDL AX, 0(BX)
ADDL CX, AX
RET
TEXT runtime·xchg(SB), NOSPLIT, $0-8
MOVL 4(SP), BX
MOVL 8(SP), AX
XCHGL AX, 0(BX)
RET
TEXT runtime·xchgp(SB), NOSPLIT, $0-8
MOVL 4(SP), BX
MOVL 8(SP), AX
XCHGL AX, 0(BX)
RET
TEXT runtime·procyield(SB),NOSPLIT,$0-0
MOVL 4(SP), AX
again:
PAUSE
SUBL $1, AX
JNZ again
RET
TEXT runtime·atomicstorep(SB), NOSPLIT, $0-8
MOVL 4(SP), BX
MOVL 8(SP), AX
XCHGL AX, 0(BX)
RET
TEXT runtime·atomicstore(SB), NOSPLIT, $0-8
MOVL 4(SP), BX
MOVL 8(SP), AX
XCHGL AX, 0(BX)
RET
// uint64 atomicload64(uint64 volatile* addr);
// so actually
// void atomicload64(uint64 *res, uint64 volatile *addr);
TEXT runtime·atomicload64(SB), NOSPLIT, $0-8
MOVL 4(SP), BX
MOVL 8(SP), AX
// MOVQ (%EAX), %MM0
BYTE $0x0f; BYTE $0x6f; BYTE $0x00
// MOVQ %MM0, 0(%EBX)
BYTE $0x0f; BYTE $0x7f; BYTE $0x03
// EMMS
BYTE $0x0F; BYTE $0x77
RET
// void runtime·atomicstore64(uint64 volatile* addr, uint64 v);
TEXT runtime·atomicstore64(SB), NOSPLIT, $0-12
MOVL 4(SP), AX
// MOVQ and EMMS were introduced on the Pentium MMX.
// MOVQ 0x8(%ESP), %MM0
BYTE $0x0f; BYTE $0x6f; BYTE $0x44; BYTE $0x24; BYTE $0x08
// MOVQ %MM0, (%EAX)
BYTE $0x0f; BYTE $0x7f; BYTE $0x00
// EMMS
BYTE $0x0F; BYTE $0x77
// This is essentially a no-op, but it provides required memory fencing.
// It can be replaced with MFENCE, but MFENCE was introduced only on the Pentium4 (SSE2).
MOVL $0, AX
LOCK
XADDL AX, (SP)
RET
// void jmpdefer(fn, sp);
// called from deferreturn.
// 1. pop the caller
// 2. sub 5 bytes from the callers return
// 3. jmp to the argument
TEXT runtime·jmpdefer(SB), NOSPLIT, $0-8
MOVL 4(SP), DX // fn
MOVL 8(SP), BX // caller sp
LEAL -4(BX), SP // caller sp after CALL
SUBL $5, (SP) // return to CALL again
MOVL 0(DX), BX
JMP BX // but first run the deferred function
// Save state of caller into g->sched.
TEXT gosave<>(SB),NOSPLIT,$0
PUSHL AX
PUSHL BX
get_tls(BX)
MOVL g(BX), BX
LEAL arg+0(FP), AX
MOVL AX, (g_sched+gobuf_sp)(BX)
MOVL -4(AX), AX
MOVL AX, (g_sched+gobuf_pc)(BX)
MOVL $0, (g_sched+gobuf_ret)(BX)
MOVL $0, (g_sched+gobuf_ctxt)(BX)
POPL BX
POPL AX
RET
// asmcgocall(void(*fn)(void*), void *arg)
// Call fn(arg) on the scheduler stack,
// aligned appropriately for the gcc ABI.
// See cgocall.c for more details.
TEXT runtime·asmcgocall(SB),NOSPLIT,$0-8
MOVL fn+0(FP), AX
MOVL arg+4(FP), BX
MOVL SP, DX
// Figure out if we need to switch to m->g0 stack.
// We get called to create new OS threads too, and those
// come in on the m->g0 stack already.
get_tls(CX)
MOVL m(CX), BP
MOVL m_g0(BP), SI
MOVL g(CX), DI
CMPL SI, DI
JEQ 4(PC)
CALL gosave<>(SB)
MOVL SI, g(CX)
MOVL (g_sched+gobuf_sp)(SI), SP
// Now on a scheduling stack (a pthread-created stack).
SUBL $32, SP
ANDL $~15, SP // alignment, perhaps unnecessary
MOVL DI, 8(SP) // save g
MOVL DX, 4(SP) // save SP
MOVL BX, 0(SP) // first argument in x86-32 ABI
CALL AX
// Restore registers, g, stack pointer.
get_tls(CX)
MOVL 8(SP), DI
MOVL DI, g(CX)
MOVL 4(SP), SP
RET
// cgocallback(void (*fn)(void*), void *frame, uintptr framesize)
// Turn the fn into a Go func (by taking its address) and call
// cgocallback_gofunc.
TEXT runtime·cgocallback(SB),NOSPLIT,$12-12
LEAL fn+0(FP), AX
MOVL AX, 0(SP)
MOVL frame+4(FP), AX
MOVL AX, 4(SP)
MOVL framesize+8(FP), AX
MOVL AX, 8(SP)
MOVL $runtime·cgocallback_gofunc(SB), AX
CALL AX
RET
// cgocallback_gofunc(FuncVal*, void *frame, uintptr framesize)
// See cgocall.c for more details.
TEXT runtime·cgocallback_gofunc(SB),NOSPLIT,$12-12
// If m is nil, Go did not create the current thread.
// Call needm to obtain one for temporary use.
// In this case, we're running on the thread stack, so there's
// lots of space, but the linker doesn't know. Hide the call from
// the linker analysis by using an indirect call through AX.
get_tls(CX)
#ifdef GOOS_windows
MOVL $0, BP
CMPL CX, $0
JEQ 2(PC)
#endif
MOVL m(CX), BP
MOVL BP, DX // saved copy of oldm
CMPL BP, $0
JNE havem
needm:
MOVL DX, 0(SP)
MOVL $runtime·needm(SB), AX
CALL AX
MOVL 0(SP), DX
get_tls(CX)
MOVL m(CX), BP
havem:
// Now there's a valid m, and we're running on its m->g0.
// Save current m->g0->sched.sp on stack and then set it to SP.
// Save current sp in m->g0->sched.sp in preparation for
// switch back to m->curg stack.
// NOTE: unwindm knows that the saved g->sched.sp is at 0(SP).
MOVL m_g0(BP), SI
MOVL (g_sched+gobuf_sp)(SI), AX
MOVL AX, 0(SP)
MOVL SP, (g_sched+gobuf_sp)(SI)
// Switch to m->curg stack and call runtime.cgocallbackg.
// Because we are taking over the execution of m->curg
// but *not* resuming what had been running, we need to
// save that information (m->curg->sched) so we can restore it.
// We can restore m->curg->sched.sp easily, because calling
// runtime.cgocallbackg leaves SP unchanged upon return.
// To save m->curg->sched.pc, we push it onto the stack.
// This has the added benefit that it looks to the traceback
// routine like cgocallbackg is going to return to that
// PC (because the frame we allocate below has the same
// size as cgocallback_gofunc's frame declared above)
// so that the traceback will seamlessly trace back into
// the earlier calls.
//
// In the new goroutine, 0(SP) holds the saved oldm (DX) register.
// 4(SP) and 8(SP) are unused.
MOVL m_curg(BP), SI
MOVL SI, g(CX)
MOVL (g_sched+gobuf_sp)(SI), DI // prepare stack as DI
MOVL (g_sched+gobuf_pc)(SI), BP
MOVL BP, -4(DI)
LEAL -(4+12)(DI), SP
MOVL DX, 0(SP)
CALL runtime·cgocallbackg(SB)
MOVL 0(SP), DX
// Restore g->sched (== m->curg->sched) from saved values.
get_tls(CX)
MOVL g(CX), SI
MOVL 12(SP), BP
MOVL BP, (g_sched+gobuf_pc)(SI)
LEAL (12+4)(SP), DI
MOVL DI, (g_sched+gobuf_sp)(SI)
// Switch back to m->g0's stack and restore m->g0->sched.sp.
// (Unlike m->curg, the g0 goroutine never uses sched.pc,
// so we do not have to restore it.)
MOVL m(CX), BP
MOVL m_g0(BP), SI
MOVL SI, g(CX)
MOVL (g_sched+gobuf_sp)(SI), SP
MOVL 0(SP), AX
MOVL AX, (g_sched+gobuf_sp)(SI)
// If the m on entry was nil, we called needm above to borrow an m
// for the duration of the call. Since the call is over, return it with dropm.
CMPL DX, $0
JNE 3(PC)
MOVL $runtime·dropm(SB), AX
CALL AX
// Done!
RET
// void setmg(M*, G*); set m and g. for use by needm.
TEXT runtime·setmg(SB), NOSPLIT, $0-8
#ifdef GOOS_windows
MOVL mm+0(FP), AX
CMPL AX, $0
JNE settls
MOVL $0, 0x14(FS)
RET
settls:
LEAL m_tls(AX), AX
MOVL AX, 0x14(FS)
#endif
MOVL mm+0(FP), AX
get_tls(CX)
MOVL mm+0(FP), AX
MOVL AX, m(CX)
MOVL gg+4(FP), BX
MOVL BX, g(CX)
RET
// void setmg_gcc(M*, G*); set m and g. for use by gcc
TEXT setmg_gcc<>(SB), NOSPLIT, $0
get_tls(AX)
MOVL mm+0(FP), DX
MOVL DX, m(AX)
MOVL gg+4(FP), DX
MOVL DX,g (AX)
RET
// check that SP is in range [g->stackbase, g->stackguard)
TEXT runtime·stackcheck(SB), NOSPLIT, $0-0
get_tls(CX)
MOVL g(CX), AX
CMPL g_stackbase(AX), SP
JHI 2(PC)
INT $3
CMPL SP, g_stackguard(AX)
JHI 2(PC)
INT $3
RET
TEXT runtime·getcallerpc(SB),NOSPLIT,$0-4
MOVL x+0(FP),AX // addr of first arg
MOVL -4(AX),AX // get calling pc
RET
TEXT runtime·setcallerpc(SB),NOSPLIT,$0-8
MOVL x+0(FP),AX // addr of first arg
MOVL x+4(FP), BX
MOVL BX, -4(AX) // set calling pc
RET
TEXT runtime·getcallersp(SB), NOSPLIT, $0-4
MOVL sp+0(FP), AX
RET
// int64 runtime·cputicks(void), so really
// void runtime·cputicks(int64 *ticks)
TEXT runtime·cputicks(SB),NOSPLIT,$0-4
RDTSC
MOVL ret+0(FP), DI
MOVL AX, 0(DI)
MOVL DX, 4(DI)
RET
TEXT runtime·ldt0setup(SB),NOSPLIT,$16-0
// set up ldt 7 to point at tls0
// ldt 1 would be fine on Linux, but on OS X, 7 is as low as we can go.
// the entry number is just a hint. setldt will set up GS with what it used.
MOVL $7, 0(SP)
LEAL runtime·tls0(SB), AX
MOVL AX, 4(SP)
MOVL $32, 8(SP) // sizeof(tls array)
CALL runtime·setldt(SB)
RET
TEXT runtime·emptyfunc(SB),0,$0-0
RET
TEXT runtime·abort(SB),NOSPLIT,$0-0
INT $0x3
TEXT runtime·stackguard(SB),NOSPLIT,$0-8
MOVL SP, DX
MOVL DX, sp+0(FP)
get_tls(CX)
MOVL g(CX), BX
MOVL g_stackguard(BX), DX
MOVL DX, limit+4(FP)
RET
GLOBL runtime·tls0(SB), $32
// hash function using AES hardware instructions
TEXT runtime·aeshash(SB),NOSPLIT,$0-12
MOVL 4(SP), DX // ptr to hash value
MOVL 8(SP), CX // size
MOVL 12(SP), AX // ptr to data
JMP runtime·aeshashbody(SB)
TEXT runtime·aeshashstr(SB),NOSPLIT,$0-12
MOVL 4(SP), DX // ptr to hash value
MOVL 12(SP), AX // ptr to string struct
MOVL 4(AX), CX // length of string
MOVL (AX), AX // string data
JMP runtime·aeshashbody(SB)
// AX: data
// CX: length
// DX: ptr to seed input / hash output
TEXT runtime·aeshashbody(SB),NOSPLIT,$0-12
MOVL (DX), X0 // seed to low 32 bits of xmm0
PINSRD $1, CX, X0 // size to next 32 bits of xmm0
MOVO runtime·aeskeysched+0(SB), X2
MOVO runtime·aeskeysched+16(SB), X3
CMPL CX, $16
JB aessmall
aesloop:
CMPL CX, $16
JBE aesloopend
MOVOU (AX), X1
AESENC X2, X0
AESENC X1, X0
SUBL $16, CX
ADDL $16, AX
JMP aesloop
// 1-16 bytes remaining
aesloopend:
// This load may overlap with the previous load above.
// We'll hash some bytes twice, but that's ok.
MOVOU -16(AX)(CX*1), X1
JMP partial
// 0-15 bytes
aessmall:
TESTL CX, CX
JE finalize // 0 bytes
CMPB AX, $0xf0
JA highpartial
// 16 bytes loaded at this address won't cross
// a page boundary, so we can load it directly.
MOVOU (AX), X1
ADDL CX, CX
PAND masks<>(SB)(CX*8), X1
JMP partial
highpartial:
// address ends in 1111xxxx. Might be up against
// a page boundary, so load ending at last byte.
// Then shift bytes down using pshufb.
MOVOU -16(AX)(CX*1), X1
ADDL CX, CX
PSHUFB shifts<>(SB)(CX*8), X1
partial:
// incorporate partial block into hash
AESENC X3, X0
AESENC X1, X0
finalize:
// finalize hash
AESENC X2, X0
AESENC X3, X0
AESENC X2, X0
MOVL X0, (DX)
RET
TEXT runtime·aeshash32(SB),NOSPLIT,$0-12
MOVL 4(SP), DX // ptr to hash value
MOVL 12(SP), AX // ptr to data
MOVL (DX), X0 // seed
PINSRD $1, (AX), X0 // data
AESENC runtime·aeskeysched+0(SB), X0
AESENC runtime·aeskeysched+16(SB), X0
AESENC runtime·aeskeysched+0(SB), X0
MOVL X0, (DX)
RET
TEXT runtime·aeshash64(SB),NOSPLIT,$0-12
MOVL 4(SP), DX // ptr to hash value
MOVL 12(SP), AX // ptr to data
MOVQ (AX), X0 // data
PINSRD $2, (DX), X0 // seed
AESENC runtime·aeskeysched+0(SB), X0
AESENC runtime·aeskeysched+16(SB), X0
AESENC runtime·aeskeysched+0(SB), X0
MOVL X0, (DX)
RET
// simple mask to get rid of data in the high part of the register.
DATA masks<>+0x00(SB)/4, $0x00000000
DATA masks<>+0x04(SB)/4, $0x00000000
DATA masks<>+0x08(SB)/4, $0x00000000
DATA masks<>+0x0c(SB)/4, $0x00000000
DATA masks<>+0x10(SB)/4, $0x000000ff
DATA masks<>+0x14(SB)/4, $0x00000000
DATA masks<>+0x18(SB)/4, $0x00000000
DATA masks<>+0x1c(SB)/4, $0x00000000
DATA masks<>+0x20(SB)/4, $0x0000ffff
DATA masks<>+0x24(SB)/4, $0x00000000
DATA masks<>+0x28(SB)/4, $0x00000000
DATA masks<>+0x2c(SB)/4, $0x00000000
DATA masks<>+0x30(SB)/4, $0x00ffffff
DATA masks<>+0x34(SB)/4, $0x00000000
DATA masks<>+0x38(SB)/4, $0x00000000
DATA masks<>+0x3c(SB)/4, $0x00000000
DATA masks<>+0x40(SB)/4, $0xffffffff
DATA masks<>+0x44(SB)/4, $0x00000000
DATA masks<>+0x48(SB)/4, $0x00000000
DATA masks<>+0x4c(SB)/4, $0x00000000
DATA masks<>+0x50(SB)/4, $0xffffffff
DATA masks<>+0x54(SB)/4, $0x000000ff
DATA masks<>+0x58(SB)/4, $0x00000000
DATA masks<>+0x5c(SB)/4, $0x00000000
DATA masks<>+0x60(SB)/4, $0xffffffff
DATA masks<>+0x64(SB)/4, $0x0000ffff
DATA masks<>+0x68(SB)/4, $0x00000000
DATA masks<>+0x6c(SB)/4, $0x00000000
DATA masks<>+0x70(SB)/4, $0xffffffff
DATA masks<>+0x74(SB)/4, $0x00ffffff
DATA masks<>+0x78(SB)/4, $0x00000000
DATA masks<>+0x7c(SB)/4, $0x00000000
DATA masks<>+0x80(SB)/4, $0xffffffff
DATA masks<>+0x84(SB)/4, $0xffffffff
DATA masks<>+0x88(SB)/4, $0x00000000
DATA masks<>+0x8c(SB)/4, $0x00000000
DATA masks<>+0x90(SB)/4, $0xffffffff
DATA masks<>+0x94(SB)/4, $0xffffffff
DATA masks<>+0x98(SB)/4, $0x000000ff
DATA masks<>+0x9c(SB)/4, $0x00000000
DATA masks<>+0xa0(SB)/4, $0xffffffff
DATA masks<>+0xa4(SB)/4, $0xffffffff
DATA masks<>+0xa8(SB)/4, $0x0000ffff
DATA masks<>+0xac(SB)/4, $0x00000000
DATA masks<>+0xb0(SB)/4, $0xffffffff
DATA masks<>+0xb4(SB)/4, $0xffffffff
DATA masks<>+0xb8(SB)/4, $0x00ffffff
DATA masks<>+0xbc(SB)/4, $0x00000000
DATA masks<>+0xc0(SB)/4, $0xffffffff
DATA masks<>+0xc4(SB)/4, $0xffffffff
DATA masks<>+0xc8(SB)/4, $0xffffffff
DATA masks<>+0xcc(SB)/4, $0x00000000
DATA masks<>+0xd0(SB)/4, $0xffffffff
DATA masks<>+0xd4(SB)/4, $0xffffffff
DATA masks<>+0xd8(SB)/4, $0xffffffff
DATA masks<>+0xdc(SB)/4, $0x000000ff
DATA masks<>+0xe0(SB)/4, $0xffffffff
DATA masks<>+0xe4(SB)/4, $0xffffffff
DATA masks<>+0xe8(SB)/4, $0xffffffff
DATA masks<>+0xec(SB)/4, $0x0000ffff
DATA masks<>+0xf0(SB)/4, $0xffffffff
DATA masks<>+0xf4(SB)/4, $0xffffffff
DATA masks<>+0xf8(SB)/4, $0xffffffff
DATA masks<>+0xfc(SB)/4, $0x00ffffff
GLOBL masks<>(SB),RODATA,$256
// these are arguments to pshufb. They move data down from
// the high bytes of the register to the low bytes of the register.
// index is how many bytes to move.
DATA shifts<>+0x00(SB)/4, $0x00000000
DATA shifts<>+0x04(SB)/4, $0x00000000
DATA shifts<>+0x08(SB)/4, $0x00000000
DATA shifts<>+0x0c(SB)/4, $0x00000000
DATA shifts<>+0x10(SB)/4, $0xffffff0f
DATA shifts<>+0x14(SB)/4, $0xffffffff
DATA shifts<>+0x18(SB)/4, $0xffffffff
DATA shifts<>+0x1c(SB)/4, $0xffffffff
DATA shifts<>+0x20(SB)/4, $0xffff0f0e
DATA shifts<>+0x24(SB)/4, $0xffffffff
DATA shifts<>+0x28(SB)/4, $0xffffffff
DATA shifts<>+0x2c(SB)/4, $0xffffffff
DATA shifts<>+0x30(SB)/4, $0xff0f0e0d
DATA shifts<>+0x34(SB)/4, $0xffffffff
DATA shifts<>+0x38(SB)/4, $0xffffffff
DATA shifts<>+0x3c(SB)/4, $0xffffffff
DATA shifts<>+0x40(SB)/4, $0x0f0e0d0c
DATA shifts<>+0x44(SB)/4, $0xffffffff
DATA shifts<>+0x48(SB)/4, $0xffffffff
DATA shifts<>+0x4c(SB)/4, $0xffffffff
DATA shifts<>+0x50(SB)/4, $0x0e0d0c0b
DATA shifts<>+0x54(SB)/4, $0xffffff0f
DATA shifts<>+0x58(SB)/4, $0xffffffff
DATA shifts<>+0x5c(SB)/4, $0xffffffff
DATA shifts<>+0x60(SB)/4, $0x0d0c0b0a
DATA shifts<>+0x64(SB)/4, $0xffff0f0e
DATA shifts<>+0x68(SB)/4, $0xffffffff
DATA shifts<>+0x6c(SB)/4, $0xffffffff
DATA shifts<>+0x70(SB)/4, $0x0c0b0a09
DATA shifts<>+0x74(SB)/4, $0xff0f0e0d
DATA shifts<>+0x78(SB)/4, $0xffffffff
DATA shifts<>+0x7c(SB)/4, $0xffffffff
DATA shifts<>+0x80(SB)/4, $0x0b0a0908
DATA shifts<>+0x84(SB)/4, $0x0f0e0d0c
DATA shifts<>+0x88(SB)/4, $0xffffffff
DATA shifts<>+0x8c(SB)/4, $0xffffffff
DATA shifts<>+0x90(SB)/4, $0x0a090807
DATA shifts<>+0x94(SB)/4, $0x0e0d0c0b
DATA shifts<>+0x98(SB)/4, $0xffffff0f
DATA shifts<>+0x9c(SB)/4, $0xffffffff
DATA shifts<>+0xa0(SB)/4, $0x09080706
DATA shifts<>+0xa4(SB)/4, $0x0d0c0b0a
DATA shifts<>+0xa8(SB)/4, $0xffff0f0e
DATA shifts<>+0xac(SB)/4, $0xffffffff
DATA shifts<>+0xb0(SB)/4, $0x08070605
DATA shifts<>+0xb4(SB)/4, $0x0c0b0a09
DATA shifts<>+0xb8(SB)/4, $0xff0f0e0d
DATA shifts<>+0xbc(SB)/4, $0xffffffff
DATA shifts<>+0xc0(SB)/4, $0x07060504
DATA shifts<>+0xc4(SB)/4, $0x0b0a0908
DATA shifts<>+0xc8(SB)/4, $0x0f0e0d0c
DATA shifts<>+0xcc(SB)/4, $0xffffffff
DATA shifts<>+0xd0(SB)/4, $0x06050403
DATA shifts<>+0xd4(SB)/4, $0x0a090807
DATA shifts<>+0xd8(SB)/4, $0x0e0d0c0b
DATA shifts<>+0xdc(SB)/4, $0xffffff0f
DATA shifts<>+0xe0(SB)/4, $0x05040302
DATA shifts<>+0xe4(SB)/4, $0x09080706
DATA shifts<>+0xe8(SB)/4, $0x0d0c0b0a
DATA shifts<>+0xec(SB)/4, $0xffff0f0e
DATA shifts<>+0xf0(SB)/4, $0x04030201
DATA shifts<>+0xf4(SB)/4, $0x08070605
DATA shifts<>+0xf8(SB)/4, $0x0c0b0a09
DATA shifts<>+0xfc(SB)/4, $0xff0f0e0d
GLOBL shifts<>(SB),RODATA,$256
TEXT runtime·memeq(SB),NOSPLIT,$0-12
MOVL a+0(FP), SI
MOVL b+4(FP), DI
MOVL count+8(FP), BX
JMP runtime·memeqbody(SB)
TEXT bytes·Equal(SB),NOSPLIT,$0-25
MOVL a_len+4(FP), BX
MOVL b_len+16(FP), CX
XORL AX, AX
CMPL BX, CX
JNE eqret
MOVL a+0(FP), SI
MOVL b+12(FP), DI
CALL runtime·memeqbody(SB)
eqret:
MOVB AX, ret+24(FP)
RET
// a in SI
// b in DI
// count in BX
TEXT runtime·memeqbody(SB),NOSPLIT,$0-0
XORL AX, AX
CMPL BX, $4
JB small
// 64 bytes at a time using xmm registers
hugeloop:
CMPL BX, $64
JB bigloop
TESTL $0x4000000, runtime·cpuid_edx(SB) // check for sse2
JE bigloop
MOVOU (SI), X0
MOVOU (DI), X1
MOVOU 16(SI), X2
MOVOU 16(DI), X3
MOVOU 32(SI), X4
MOVOU 32(DI), X5
MOVOU 48(SI), X6
MOVOU 48(DI), X7
PCMPEQB X1, X0
PCMPEQB X3, X2
PCMPEQB X5, X4
PCMPEQB X7, X6
PAND X2, X0
PAND X6, X4
PAND X4, X0
PMOVMSKB X0, DX
ADDL $64, SI
ADDL $64, DI
SUBL $64, BX
CMPL DX, $0xffff
JEQ hugeloop
RET
// 4 bytes at a time using 32-bit register
bigloop:
CMPL BX, $4
JBE leftover
MOVL (SI), CX
MOVL (DI), DX
ADDL $4, SI
ADDL $4, DI
SUBL $4, BX
CMPL CX, DX
JEQ bigloop
RET
// remaining 0-4 bytes
leftover:
MOVL -4(SI)(BX*1), CX
MOVL -4(DI)(BX*1), DX
CMPL CX, DX
SETEQ AX
RET
small:
CMPL BX, $0
JEQ equal
LEAL 0(BX*8), CX
NEGL CX
MOVL SI, DX
CMPB DX, $0xfc
JA si_high
// load at SI won't cross a page boundary.
MOVL (SI), SI
JMP si_finish
si_high:
// address ends in 111111xx. Load up to bytes we want, move to correct position.
MOVL -4(SI)(BX*1), SI
SHRL CX, SI
si_finish:
// same for DI.
MOVL DI, DX
CMPB DX, $0xfc
JA di_high
MOVL (DI), DI
JMP di_finish
di_high:
MOVL -4(DI)(BX*1), DI
SHRL CX, DI
di_finish:
SUBL SI, DI
SHLL CX, DI
equal:
SETEQ AX
RET
TEXT runtime·cmpstring(SB),NOSPLIT,$0-20
MOVL s1+0(FP), SI
MOVL s1+4(FP), BX
MOVL s2+8(FP), DI
MOVL s2+12(FP), DX
CALL runtime·cmpbody(SB)
MOVL AX, res+16(FP)
RET
TEXT bytes·Compare(SB),NOSPLIT,$0-28
MOVL s1+0(FP), SI
MOVL s1+4(FP), BX
MOVL s2+12(FP), DI
MOVL s2+16(FP), DX
CALL runtime·cmpbody(SB)
MOVL AX, res+24(FP)
RET
TEXT bytes·IndexByte(SB),NOSPLIT,$0
MOVL s+0(FP), SI
MOVL s_len+4(FP), CX
MOVB c+12(FP), AL
MOVL SI, DI
CLD; REPN; SCASB
JZ 3(PC)
MOVL $-1, ret+16(FP)
RET
SUBL SI, DI
SUBL $1, DI
MOVL DI, ret+16(FP)
RET
TEXT strings·IndexByte(SB),NOSPLIT,$0
MOVL s+0(FP), SI
MOVL s_len+4(FP), CX
MOVB c+8(FP), AL
MOVL SI, DI
CLD; REPN; SCASB
JZ 3(PC)
MOVL $-1, ret+12(FP)
RET
SUBL SI, DI
SUBL $1, DI
MOVL DI, ret+12(FP)
RET
// input:
// SI = a
// DI = b
// BX = alen
// DX = blen
// output:
// AX = 1/0/-1
TEXT runtime·cmpbody(SB),NOSPLIT,$0-0
CMPL SI, DI
JEQ cmp_allsame
CMPL BX, DX
MOVL DX, BP
CMOVLLT BX, BP // BP = min(alen, blen)
CMPL BP, $4
JB cmp_small
TESTL $0x4000000, runtime·cpuid_edx(SB) // check for sse2
JE cmp_mediumloop
cmp_largeloop:
CMPL BP, $16
JB cmp_mediumloop
MOVOU (SI), X0
MOVOU (DI), X1
PCMPEQB X0, X1
PMOVMSKB X1, AX
XORL $0xffff, AX // convert EQ to NE
JNE cmp_diff16 // branch if at least one byte is not equal
ADDL $16, SI
ADDL $16, DI
SUBL $16, BP
JMP cmp_largeloop
cmp_diff16:
BSFL AX, BX // index of first byte that differs
XORL AX, AX
MOVB (SI)(BX*1), CX
CMPB CX, (DI)(BX*1)
SETHI AX
LEAL -1(AX*2), AX // convert 1/0 to +1/-1
RET
cmp_mediumloop:
CMPL BP, $4
JBE cmp_0through4
MOVL (SI), AX
MOVL (DI), CX
CMPL AX, CX
JNE cmp_diff4
ADDL $4, SI
ADDL $4, DI
SUBL $4, BP
JMP cmp_mediumloop
cmp_0through4:
MOVL -4(SI)(BP*1), AX
MOVL -4(DI)(BP*1), CX
CMPL AX, CX
JEQ cmp_allsame
cmp_diff4:
BSWAPL AX // reverse order of bytes
BSWAPL CX
XORL AX, CX // find bit differences
BSRL CX, CX // index of highest bit difference
SHRL CX, AX // move a's bit to bottom
ANDL $1, AX // mask bit
LEAL -1(AX*2), AX // 1/0 => +1/-1
RET
// 0-3 bytes in common
cmp_small:
LEAL (BP*8), CX
NEGL CX
JEQ cmp_allsame
// load si
CMPB SI, $0xfc
JA cmp_si_high
MOVL (SI), SI
JMP cmp_si_finish
cmp_si_high:
MOVL -4(SI)(BP*1), SI
SHRL CX, SI
cmp_si_finish:
SHLL CX, SI
// same for di
CMPB DI, $0xfc
JA cmp_di_high
MOVL (DI), DI
JMP cmp_di_finish
cmp_di_high:
MOVL -4(DI)(BP*1), DI
SHRL CX, DI
cmp_di_finish:
SHLL CX, DI
BSWAPL SI // reverse order of bytes
BSWAPL DI
XORL SI, DI // find bit differences
JEQ cmp_allsame
BSRL DI, CX // index of highest bit difference
SHRL CX, SI // move a's bit to bottom
ANDL $1, SI // mask bit
LEAL -1(SI*2), AX // 1/0 => +1/-1
RET
// all the bytes in common are the same, so we just need
// to compare the lengths.
cmp_allsame:
XORL AX, AX
XORL CX, CX
CMPL BX, DX
SETGT AX // 1 if alen > blen
SETEQ CX // 1 if alen == blen
LEAL -1(CX)(AX*2), AX // 1,0,-1 result
RET
// A Duff's device for zeroing memory.
// The compiler jumps to computed addresses within
// this routine to zero chunks of memory. Do not
// change this code without also changing the code
// in ../../cmd/8g/ggen.c:clearfat.
// AX: zero
// DI: ptr to memory to be zeroed
// DI is updated as a side effect.
TEXT runtime·duffzero(SB), NOSPLIT, $0-0
STOSL
STOSL
STOSL
STOSL
STOSL
STOSL
STOSL
STOSL
STOSL
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RET
// A Duff's device for copying memory.
// The compiler jumps to computed addresses within
// this routine to copy chunks of memory. Source
// and destination must not overlap. Do not
// change this code without also changing the code
// in ../../cmd/6g/cgen.c:sgen.
// SI: ptr to source memory
// DI: ptr to destination memory
// SI and DI are updated as a side effect.
// NOTE: this is equivalent to a sequence of MOVSL but
// for some reason MOVSL is really slow.
TEXT runtime·duffcopy(SB), NOSPLIT, $0-0
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
MOVL (SI),CX
ADDL $4,SI
MOVL CX,(DI)
ADDL $4,DI
RET
TEXT runtime·timenow(SB), NOSPLIT, $0-0
JMP time·now(SB)