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sonic/internal/rt/fastmem.go
liu 1443eb3bcf
fix: move large-size local array to _Stack (#162)
* fix: move large-size local array to _Stack

* fix: adjust jsonstate and add alwaysinline

* fix: initialize types.JsonState's dbuf at prologue

* fix: replace `always_inline` with `inline`

* fix: remove unused types

* feat: update asm2asm

* fix: check stack size befor call JIT function

Co-authored-by: liuqiang <liuqiang.06@bytedance.com>
Co-authored-by: duanyi.aster <duanyi.aster@bytedance.com>
2021-12-30 14:51:23 +08:00

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1.5 KiB
Go

/*
* Copyright 2021 ByteDance Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package rt
import (
`unsafe`
)
//go:nosplit
func Get16(v []byte) int16 {
return *(*int16)((*GoSlice)(unsafe.Pointer(&v)).Ptr)
}
//go:nosplit
func Get32(v []byte) int32 {
return *(*int32)((*GoSlice)(unsafe.Pointer(&v)).Ptr)
}
//go:nosplit
func Get64(v []byte) int64 {
return *(*int64)((*GoSlice)(unsafe.Pointer(&v)).Ptr)
}
//go:nosplit
func Mem2Str(v []byte) (s string) {
(*GoString)(unsafe.Pointer(&s)).Len = (*GoSlice)(unsafe.Pointer(&v)).Len
(*GoString)(unsafe.Pointer(&s)).Ptr = (*GoSlice)(unsafe.Pointer(&v)).Ptr
return
}
//go:nosplit
func Str2Mem(s string) (v []byte) {
(*GoSlice)(unsafe.Pointer(&v)).Cap = (*GoString)(unsafe.Pointer(&s)).Len
(*GoSlice)(unsafe.Pointer(&v)).Len = (*GoString)(unsafe.Pointer(&s)).Len
(*GoSlice)(unsafe.Pointer(&v)).Ptr = (*GoString)(unsafe.Pointer(&s)).Ptr
return
}
//go:nosplit
func MoreStack(size uintptr)