source: code/trunk/vendor/modernc.org/libc/libc64.go@ 822

Last change on this file since 822 was 822, checked in by yakumo.izuru, 22 months ago

Prefer immortal.run over runit and rc.d, use vendored modules
for convenience.

Signed-off-by: Izuru Yakumo <yakumo.izuru@…>

File size: 812 bytes
RevLine 
[822]1// Copyright 2020 The Libc Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build amd64 || arm64 || ppc64le || riscv64 || s390x
6// +build amd64 arm64 ppc64le riscv64 s390x
7
8package libc // import "modernc.org/libc"
9
10const (
11 heapSize = 2 << 30 // Adjust for your debugging session requirements and system RAM size.
12)
13
14type (
15 // RawMem represents the biggest byte array the runtime can handle
16 RawMem [1<<50 - 1]byte
17
18 // 48-5*8 = 8 bytes left to pad
19 stackHeaderPadding struct {
20 a uintptr
21 }
22)
23
24type bits []int
25
26func newBits(n int) (r bits) { return make(bits, (n+63)>>6) }
27func (b bits) has(n int) bool { return b != nil && b[n>>6]&(1<<uint(n&63)) != 0 }
28func (b bits) set(n int) { b[n>>6] |= 1 << uint(n&63) }
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