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// Copyright 2010 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.
// Export guts for testing.
package runtime
import "unsafe"
var Fadd64 = fadd64
var Fsub64 = fsub64
var Fmul64 = fmul64
var Fdiv64 = fdiv64
var F64to32 = f64to32
var F32to64 = f32to64
var Fcmp64 = fcmp64
var Fintto64 = fintto64
var F64toint = f64toint
// in asm_*.s
func stackguard() (sp, limit uintptr)
var Entersyscall = entersyscall
var Exitsyscall = exitsyscall
var LockedOSThread = lockedOSThread
type LFNode struct {
Next *LFNode
Pushcnt uintptr
}
func lfstackpush_m()
func lfstackpop_m()
func LFStackPush(head *uint64, node *LFNode) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(head)
mp.ptrarg[1] = unsafe.Pointer(node)
onM(lfstackpush_m)
releasem(mp)
}
func LFStackPop(head *uint64) *LFNode {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(head)
onM(lfstackpop_m)
node := (*LFNode)(unsafe.Pointer(mp.ptrarg[0]))
mp.ptrarg[0] = nil
releasem(mp)
return node
}
type ParFor struct {
body *byte
done uint32
Nthr uint32
nthrmax uint32
thrseq uint32
Cnt uint32
Ctx *byte
wait bool
}
func newparfor_m()
func parforsetup_m()
func parfordo_m()
func parforiters_m()
func NewParFor(nthrmax uint32) *ParFor {
mp := acquirem()
mp.scalararg[0] = uintptr(nthrmax)
onM(newparfor_m)
desc := (*ParFor)(mp.ptrarg[0])
mp.ptrarg[0] = nil
releasem(mp)
return desc
}
func ParForSetup(desc *ParFor, nthr, n uint32, ctx *byte, wait bool, body func(*ParFor, uint32)) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(desc)
mp.ptrarg[1] = unsafe.Pointer(ctx)
mp.ptrarg[2] = unsafe.Pointer(funcPC(body)) // TODO(rsc): Should be a scalar.
mp.scalararg[0] = uintptr(nthr)
mp.scalararg[1] = uintptr(n)
mp.scalararg[2] = 0
if wait {
mp.scalararg[2] = 1
}
onM(parforsetup_m)
releasem(mp)
}
func ParForDo(desc *ParFor) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(desc)
onM(parfordo_m)
releasem(mp)
}
func ParForIters(desc *ParFor, tid uint32) (uint32, uint32) {
mp := acquirem()
mp.ptrarg[0] = unsafe.Pointer(desc)
mp.scalararg[0] = uintptr(tid)
onM(parforiters_m)
begin := uint32(mp.scalararg[0])
end := uint32(mp.scalararg[1])
releasem(mp)
return begin, end
}
// in mgc0.c
//go:noescape
func getgcmask(data unsafe.Pointer, typ *_type, array **byte, len *uint)
func GCMask(x interface{}) (ret []byte) {
e := (*eface)(unsafe.Pointer(&x))
s := (*slice)(unsafe.Pointer(&ret))
onM(func() {
getgcmask(e.data, e._type, &s.array, &s.len)
s.cap = s.len
})
return
}
func testSchedLocalQueue()
func testSchedLocalQueueSteal()
func RunSchedLocalQueueTest() {
onM(testSchedLocalQueue)
}
func RunSchedLocalQueueStealTest() {
onM(testSchedLocalQueueSteal)
}
var HaveGoodHash = haveGoodHash
var StringHash = stringHash
var BytesHash = bytesHash
var Int32Hash = int32Hash
var Int64Hash = int64Hash
var EfaceHash = efaceHash
var IfaceHash = ifaceHash
var MemclrBytes = memclrBytes
var HashLoad = &hashLoad
// For testing.
func GogoBytes() int32 {
return _RuntimeGogoBytes
}
// in string.c
//go:noescape
func gostringw(w *uint16) string
// entry point for testing
func GostringW(w []uint16) (s string) {
onM(func() {
s = gostringw(&w[0])
})
return
}
var Gostringnocopy = gostringnocopy
var Maxstring = &maxstring
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