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go/src/cmd/compile/internal/ir/symtab.go

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[dev.regabi] cmd/compile: group known symbols, packages, names [generated] There are a handful of pre-computed magic symbols known by package gc, and we need a place to store them. If we keep them together, the need for type *ir.Name means that package ir is the lowest package in the import hierarchy that they can go in. And package ir needs gopkg for methodSymSuffix (in a later CL), so they can't go any higher either, at least not all together. So package ir it is. Rather than dump them all into the top-level package ir namespace, however, we introduce global structs, Syms, Pkgs, and Names, and make the known symbols, packages, and names fields of those. [git-generate] cd src/cmd/compile/internal/gc rf ' add go.go:$ \ // Names holds known names. \ var Names struct{} \ \ // Syms holds known symbols. \ var Syms struct {} \ \ // Pkgs holds known packages. \ var Pkgs struct {} \ mv staticuint64s Names.Staticuint64s mv zerobase Names.Zerobase mv assertE2I Syms.AssertE2I mv assertE2I2 Syms.AssertE2I2 mv assertI2I Syms.AssertI2I mv assertI2I2 Syms.AssertI2I2 mv deferproc Syms.Deferproc mv deferprocStack Syms.DeferprocStack mv Deferreturn Syms.Deferreturn mv Duffcopy Syms.Duffcopy mv Duffzero Syms.Duffzero mv gcWriteBarrier Syms.GCWriteBarrier mv goschedguarded Syms.Goschedguarded mv growslice Syms.Growslice mv msanread Syms.Msanread mv msanwrite Syms.Msanwrite mv msanmove Syms.Msanmove mv newobject Syms.Newobject mv newproc Syms.Newproc mv panicdivide Syms.Panicdivide mv panicshift Syms.Panicshift mv panicdottypeE Syms.PanicdottypeE mv panicdottypeI Syms.PanicdottypeI mv panicnildottype Syms.Panicnildottype mv panicoverflow Syms.Panicoverflow mv raceread Syms.Raceread mv racereadrange Syms.Racereadrange mv racewrite Syms.Racewrite mv racewriterange Syms.Racewriterange mv SigPanic Syms.SigPanic mv typedmemclr Syms.Typedmemclr mv typedmemmove Syms.Typedmemmove mv Udiv Syms.Udiv mv writeBarrier Syms.WriteBarrier mv zerobaseSym Syms.Zerobase mv arm64HasATOMICS Syms.ARM64HasATOMICS mv armHasVFPv4 Syms.ARMHasVFPv4 mv x86HasFMA Syms.X86HasFMA mv x86HasPOPCNT Syms.X86HasPOPCNT mv x86HasSSE41 Syms.X86HasSSE41 mv WasmDiv Syms.WasmDiv mv WasmMove Syms.WasmMove mv WasmZero Syms.WasmZero mv WasmTruncS Syms.WasmTruncS mv WasmTruncU Syms.WasmTruncU mv gopkg Pkgs.Go mv itabpkg Pkgs.Itab mv itablinkpkg Pkgs.Itablink mv mappkg Pkgs.Map mv msanpkg Pkgs.Msan mv racepkg Pkgs.Race mv Runtimepkg Pkgs.Runtime mv trackpkg Pkgs.Track mv unsafepkg Pkgs.Unsafe mv Names Syms Pkgs symtab.go mv symtab.go cmd/compile/internal/ir ' Change-Id: Ic143862148569a3bcde8e70b26d75421aa2d00f3 Reviewed-on: https://go-review.googlesource.com/c/go/+/279235 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
2020-12-23 00:10:25 -05:00
// Copyright 2009 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 ir
import (
"cmd/compile/internal/types"
"cmd/internal/obj"
)
// Names holds known names.
var Names struct {
Staticuint64s *Name
Zerobase *Name
}
// Syms holds known symbols.
var Syms struct {
AssertE2I *obj.LSym
AssertE2I2 *obj.LSym
AssertI2I *obj.LSym
AssertI2I2 *obj.LSym
Deferproc *obj.LSym
DeferprocStack *obj.LSym
Deferreturn *obj.LSym
Duffcopy *obj.LSym
Duffzero *obj.LSym
GCWriteBarrier *obj.LSym
Goschedguarded *obj.LSym
Growslice *obj.LSym
Msanread *obj.LSym
Msanwrite *obj.LSym
Msanmove *obj.LSym
Newobject *obj.LSym
Newproc *obj.LSym
Panicdivide *obj.LSym
Panicshift *obj.LSym
PanicdottypeE *obj.LSym
PanicdottypeI *obj.LSym
Panicnildottype *obj.LSym
Panicoverflow *obj.LSym
Raceread *obj.LSym
Racereadrange *obj.LSym
Racewrite *obj.LSym
Racewriterange *obj.LSym
// Wasm
SigPanic *obj.LSym
Typedmemclr *obj.LSym
Typedmemmove *obj.LSym
Udiv *obj.LSym
WriteBarrier *obj.LSym
Zerobase *obj.LSym
ARM64HasATOMICS *obj.LSym
ARMHasVFPv4 *obj.LSym
X86HasFMA *obj.LSym
X86HasPOPCNT *obj.LSym
X86HasSSE41 *obj.LSym
// Wasm
WasmDiv *obj.LSym
// Wasm
WasmMove *obj.LSym
// Wasm
WasmZero *obj.LSym
// Wasm
WasmTruncS *obj.LSym
// Wasm
WasmTruncU *obj.LSym
}
// Pkgs holds known packages.
var Pkgs struct {
Go *types.Pkg
Itab *types.Pkg
Itablink *types.Pkg
Map *types.Pkg
Msan *types.Pkg
Race *types.Pkg
Runtime *types.Pkg
Track *types.Pkg
Unsafe *types.Pkg
}
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