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29 lines
793 B
Go
29 lines
793 B
Go
// Copyright 2020 The Libc Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build amd64 || arm64 || riscv64 || s390x
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// +build amd64 arm64 riscv64 s390x
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package libc // import "modernc.org/libc"
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const (
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heapSize = 2 << 30 // Adjust for your debugging session requirements and system RAM size.
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)
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type (
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// RawMem represents the biggest byte array the runtime can handle
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RawMem [1<<50 - 1]byte
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// 48-5*8 = 8 bytes left to pad
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stackHeaderPadding struct {
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a uintptr
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}
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)
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type bits []int
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func newBits(n int) (r bits) { return make(bits, (n+63)>>6) }
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func (b bits) has(n int) bool { return b != nil && b[n>>6]&(1<<uint(n&63)) != 0 }
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func (b bits) set(n int) { b[n>>6] |= 1 << uint(n&63) }
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