intra: grab goenv if possible

Author: ignoramous

Makefile

@@ -10,7 +10,7 @@ XGO_LDFLAGS='-s -w -X main.version=$(COMMIT_ID)'
 # github.com/xjasonlyu/tun2socks/blob/bf745d0e0/Makefile#L14
 LDFLAGS_DEBUG='-buildid= -X $(IMPORT_PATH)/intra/core.Date=$(DATESTR) -X $(IMPORT_PATH)/intra/core.Commit=$(COMMIT_ID)'
 LDFLAGS='-w -s -buildid= -X $(IMPORT_PATH)/intra/core.Date=$(DATESTR) -X $(IMPORT_PATH)/intra/core.Commit=$(COMMIT_ID)'
-CGO_LDFLAGS="$(CGO_LDFLAGS) -s -w -Wl,-z,max-page-size=16384"
+CGO_LDFLAGS="$(CGO_LDFLAGS) -checklinkname=0 -s -w -Wl,-z,max-page-size=16384"
 
 # github.com/golang/mobile/blob/a1d90793fc/cmd/gomobile/bind.go#L36
 GOBIND=bind -trimpath -v -x -a -javapkg com.celzero.firestack

intra/core/overreach.go

@@ -0,0 +1,28 @@
+// Copyright (c) 2026 RethinkDNS and its authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package core
+
+import _ "unsafe" // required for go:linkname
+
+//go:linkname runtimeGoTraceback runtime.gotraceback
+func runtimeGoTraceback() (level int32, all, crash bool)
+
+// GoTraceback returns the Go runtime's current traceback settings.
+func GoTraceback() (level int32, all, crash bool) {
+	return runtimeGoTraceback()
+}
+
+//go:linkname runtimeEnviron runtime.environ
+func runtimeEnviron() []string
+
+// RuntimeEnviron returns the Go runtime's cached environment slice.
+//
+// Warning: building with this file enabled requires disabling the linker's
+// linkname checks: `-ldflags=-checklinkname=0`.
+func RuntimeEnviron() []string {
+	return runtimeEnviron()
+}

intra/tunnel.go

@@ -518,8 +518,9 @@ func (t *rtunnel) stat() (*x.NetStat, error) {
 	out.GOSt.NumCgo = int64(runtime.NumCgoCall())
 	out.GOSt.NumCPU = int64(runtime.NumCPU())
 
-	out.GOSt.Args = strings.Join(os.Args, ";")
-	out.GOSt.Env = strings.Join(os.Environ(), ";")
+	level, all, crash := core.GoTraceback()
+	out.GOSt.Args = fmt.Sprintf("%d;%t;%t", level, all, crash)
+	out.GOSt.Env = strings.Join(core.RuntimeEnviron(), ";")
 	out.GOSt.Pers, _ = os.Executable()
 
 	if r := t.resolver; r != nil {