go compilation_unit 源码
golang compilation_unit 代码
文件路径：/src/cmd/link/internal/sym/compilation_unit.go
// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package sym
import "cmd/internal/dwarf"
// LoaderSym holds a loader.Sym value. We can't refer to this
// type from the sym package since loader imports sym.
type LoaderSym int
// A CompilationUnit represents a set of source files that are compiled
// together. Since all Go sources in a Go package are compiled together,
// there's one CompilationUnit per package that represents all Go sources in
// that package, plus one for each assembly file.
//
// Equivalently, there's one CompilationUnit per object file in each Library
// loaded by the linker.
//
// These are used for both DWARF and pclntab generation.
type CompilationUnit struct {
Lib *Library // Our library
PclnIndex int // Index of this CU in pclntab
PCs []dwarf.Range // PC ranges, relative to Textp[0]
DWInfo *dwarf.DWDie // CU root DIE
FileTable []string // The file table used in this compilation unit.
Consts LoaderSym // Package constants DIEs
FuncDIEs []LoaderSym // Function DIE subtrees
VarDIEs []LoaderSym // Global variable DIEs
AbsFnDIEs []LoaderSym // Abstract function DIE subtrees
RangeSyms []LoaderSym // Symbols for debug_range
Textp []LoaderSym // Text symbols in this CU
}
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