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										 |  |  | // 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. | 
					
						
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										 |  |  | //go:build amd64 || arm64 || riscv64 || s390x | 
					
						
							|  |  |  | // +build amd64 arm64 riscv64 s390x | 
					
						
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							|  |  |  | package libc // import "modernc.org/libc" | 
					
						
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										 |  |  | const ( | 
					
						
							|  |  |  | 	heapSize = 2 << 30 // Adjust for your debugging session requirements and system RAM size. | 
					
						
							|  |  |  | ) | 
					
						
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										 |  |  | type ( | 
					
						
							|  |  |  | 	// RawMem represents the biggest byte array the runtime can handle | 
					
						
							|  |  |  | 	RawMem [1<<50 - 1]byte | 
					
						
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 | 
					
						
							|  |  |  | 	// 48-5*8 = 8 bytes left to pad | 
					
						
							|  |  |  | 	stackHeaderPadding struct { | 
					
						
							|  |  |  | 		a uintptr | 
					
						
							|  |  |  | 	} | 
					
						
							|  |  |  | ) | 
					
						
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							|  |  |  | type bits []int | 
					
						
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							|  |  |  | 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) } |