2021-08-29 15:41:41 +01:00
|
|
|
// Copyright 2020 The Libc Authors. All rights reserved.
|
|
|
|
|
// Use of this source code is governed by a BSD-style
|
|
|
|
|
// license that can be found in the LICENSE file.
|
|
|
|
|
|
2021-09-08 21:12:23 +01:00
|
|
|
//go:build amd64 || arm64 || s390x
|
2021-08-29 15:41:41 +01:00
|
|
|
// +build amd64 arm64 s390x
|
|
|
|
|
|
|
|
|
|
package libc // import "modernc.org/libc"
|
|
|
|
|
|
2021-12-12 14:47:51 +00:00
|
|
|
const (
|
|
|
|
|
heapSize = 2 << 30 // Adjust for your debugging session requirements and system RAM size.
|
|
|
|
|
)
|
|
|
|
|
|
2021-08-29 15:41:41 +01:00
|
|
|
type (
|
|
|
|
|
// RawMem represents the biggest byte array the runtime can handle
|
|
|
|
|
RawMem [1<<50 - 1]byte
|
|
|
|
|
|
|
|
|
|
// 48-5*8 = 8 bytes left to pad
|
|
|
|
|
stackHeaderPadding struct {
|
|
|
|
|
a uintptr
|
|
|
|
|
}
|
|
|
|
|
)
|
|
|
|
|
|
|
|
|
|
type bits []int
|
|
|
|
|
|
|
|
|
|
func newBits(n int) (r bits) { return make(bits, (n+63)>>6) }
|
|
|
|
|
func (b bits) has(n int) bool { return b != nil && b[n>>6]&(1<<uint(n&63)) != 0 }
|
|
|
|
|
func (b bits) set(n int) { b[n>>6] |= 1 << uint(n&63) }
|
