| // 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 uint32 | |
| // 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 | |
| Addrs map[LoaderSym]uint32 // slot in .debug_addr for fn sym (DWARF5) | |
| } | |