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1768cb40b8
Fixes #71206 Change-Id: If3cf75261c56828b87ae6805bd2913f56a6a6964 Reviewed-on: https://go-review.googlesource.com/c/go/+/722140 Auto-Submit: Filippo Valsorda <filippo@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Roland Shoemaker <roland@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
111 lines
5.1 KiB
Go
111 lines
5.1 KiB
Go
// Copyright 2023 The Go 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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// Package godebugs provides a table of known GODEBUG settings,
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// for use by a variety of other packages, including internal/godebug,
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// runtime, runtime/metrics, and cmd/go/internal/load.
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package godebugs
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// An Info describes a single known GODEBUG setting.
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type Info struct {
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Name string // name of the setting ("panicnil")
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Package string // package that uses the setting ("runtime")
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Changed int // minor version when default changed, if any; 21 means Go 1.21
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Old string // value that restores behavior prior to Changed
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Opaque bool // setting does not export information to runtime/metrics using [internal/godebug.Setting.IncNonDefault]
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Immutable bool // setting cannot be changed after program start
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}
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// All is the table of known settings, sorted by Name.
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//
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// Note: After adding entries to this table, run 'go generate runtime/metrics'
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// to update the runtime/metrics doc comment.
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// (Otherwise the runtime/metrics test will fail.)
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//
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// Note: After adding entries to this table, update the list in doc/godebug.md as well.
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// (Otherwise the test in this package will fail.)
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var All = []Info{
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{Name: "allowmultiplevcs", Package: "cmd/go"},
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{Name: "asynctimerchan", Package: "time", Changed: 23, Old: "1"},
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{Name: "containermaxprocs", Package: "runtime", Changed: 25, Old: "0"},
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{Name: "dataindependenttiming", Package: "crypto/subtle", Opaque: true},
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{Name: "decoratemappings", Package: "runtime", Opaque: true, Changed: 25, Old: "0"},
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{Name: "embedfollowsymlinks", Package: "cmd/go"},
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{Name: "execerrdot", Package: "os/exec"},
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{Name: "fips140", Package: "crypto/fips140", Opaque: true, Immutable: true},
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{Name: "gocachehash", Package: "cmd/go"},
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{Name: "gocachetest", Package: "cmd/go"},
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{Name: "gocacheverify", Package: "cmd/go"},
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{Name: "gotestjsonbuildtext", Package: "cmd/go", Changed: 24, Old: "1"},
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{Name: "gotypesalias", Package: "go/types", Changed: 23, Old: "0"},
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{Name: "http2client", Package: "net/http"},
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{Name: "http2debug", Package: "net/http", Opaque: true},
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{Name: "http2server", Package: "net/http"},
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{Name: "httpcookiemaxnum", Package: "net/http", Changed: 24, Old: "0"},
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{Name: "httplaxcontentlength", Package: "net/http", Changed: 22, Old: "1"},
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{Name: "httpmuxgo121", Package: "net/http", Changed: 22, Old: "1"},
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{Name: "httpservecontentkeepheaders", Package: "net/http", Changed: 23, Old: "1"},
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{Name: "installgoroot", Package: "go/build"},
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{Name: "jstmpllitinterp", Package: "html/template", Opaque: true}, // bug #66217: remove Opaque
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//{Name: "multipartfiles", Package: "mime/multipart"},
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{Name: "multipartmaxheaders", Package: "mime/multipart"},
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{Name: "multipartmaxparts", Package: "mime/multipart"},
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{Name: "multipathtcp", Package: "net", Changed: 24, Old: "0"},
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{Name: "netdns", Package: "net", Opaque: true},
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{Name: "netedns0", Package: "net", Changed: 19, Old: "0"},
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{Name: "panicnil", Package: "runtime", Changed: 21, Old: "1"},
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{Name: "randautoseed", Package: "math/rand"},
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{Name: "randseednop", Package: "math/rand", Changed: 24, Old: "0"},
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{Name: "rsa1024min", Package: "crypto/rsa", Changed: 24, Old: "0"},
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{Name: "tarinsecurepath", Package: "archive/tar"},
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{Name: "tls10server", Package: "crypto/tls", Changed: 22, Old: "1"},
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{Name: "tls3des", Package: "crypto/tls", Changed: 23, Old: "1"},
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{Name: "tlsmaxrsasize", Package: "crypto/tls"},
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{Name: "tlsmlkem", Package: "crypto/tls", Changed: 24, Old: "0", Opaque: true},
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{Name: "tlsrsakex", Package: "crypto/tls", Changed: 22, Old: "1"},
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{Name: "tlssecpmlkem", Package: "crypto/tls", Changed: 26, Old: "0", Opaque: true},
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{Name: "tlssha1", Package: "crypto/tls", Changed: 25, Old: "1"},
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{Name: "tlsunsafeekm", Package: "crypto/tls", Changed: 22, Old: "1"},
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{Name: "updatemaxprocs", Package: "runtime", Changed: 25, Old: "0"},
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{Name: "urlstrictcolons", Package: "net/url", Changed: 26, Old: "0"},
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{Name: "winreadlinkvolume", Package: "os", Changed: 23, Old: "0"},
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{Name: "winsymlink", Package: "os", Changed: 23, Old: "0"},
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{Name: "x509keypairleaf", Package: "crypto/tls", Changed: 23, Old: "0"},
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{Name: "x509negativeserial", Package: "crypto/x509", Changed: 23, Old: "1"},
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{Name: "x509rsacrt", Package: "crypto/x509", Changed: 24, Old: "0"},
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{Name: "x509sha256skid", Package: "crypto/x509", Changed: 25, Old: "0"},
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{Name: "x509usefallbackroots", Package: "crypto/x509"},
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{Name: "x509usepolicies", Package: "crypto/x509", Changed: 24, Old: "0"},
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{Name: "zipinsecurepath", Package: "archive/zip"},
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}
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type RemovedInfo struct {
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Name string // name of the removed GODEBUG setting.
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Removed int // minor version of Go, when the removal happened
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}
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// Removed contains all GODEBUGs that we have removed.
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var Removed = []RemovedInfo{
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{Name: "x509sha1", Removed: 24},
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}
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// Lookup returns the Info with the given name.
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func Lookup(name string) *Info {
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// binary search, avoiding import of sort.
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lo := 0
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hi := len(All)
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for lo < hi {
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m := int(uint(lo+hi) >> 1)
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mid := All[m].Name
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if name == mid {
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return &All[m]
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}
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if name < mid {
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hi = m
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} else {
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lo = m + 1
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}
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}
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return nil
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}
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