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-rw-r--r--src/cmd/compile/internal/base/link.go19
-rw-r--r--src/cmd/compile/internal/dwarfgen/dwarf.go2
-rw-r--r--src/cmd/compile/internal/gc/main.go4
-rw-r--r--src/cmd/compile/internal/gc/obj.go2
-rw-r--r--src/cmd/compile/internal/ir/expr.go1
-rw-r--r--src/cmd/compile/internal/noder/import.go12
-rw-r--r--src/cmd/compile/internal/ppc64/ssa.go2
-rw-r--r--src/cmd/compile/internal/reflectdata/reflect.go22
-rw-r--r--src/cmd/compile/internal/staticdata/data.go2
9 files changed, 36 insertions, 30 deletions
diff --git a/src/cmd/compile/internal/base/link.go b/src/cmd/compile/internal/base/link.go
index 49fe4352b2..d8aa5a7dcc 100644
--- a/src/cmd/compile/internal/base/link.go
+++ b/src/cmd/compile/internal/base/link.go
@@ -8,6 +8,19 @@ import (
"cmd/internal/obj"
)
+// ReservedImports are import paths used internally for generated
+// symbols by the compiler.
+//
+// The linker uses the magic symbol prefixes "go:" and "type:".
+// Avoid potential confusion between import paths and symbols
+// by rejecting these reserved imports for now. Also, people
+// "can do weird things in GOPATH and we'd prefer they didn't
+// do _that_ weird thing" (per rsc). See also #4257.
+var ReservedImports = map[string]bool{
+ "go": true,
+ "type": true,
+}
+
var Ctxt *obj.Link
// TODO(mdempsky): These should probably be obj.Link methods.
@@ -20,7 +33,11 @@ func PkgLinksym(prefix, name string, abi obj.ABI) *obj.LSym {
// TODO(mdempsky): Cleanup callers and Fatalf instead.
return linksym(prefix, "_", abi)
}
- return linksym(prefix, prefix+"."+name, abi)
+ sep := "."
+ if ReservedImports[prefix] {
+ sep = ":"
+ }
+ return linksym(prefix, prefix+sep+name, abi)
}
// Linkname returns the linker symbol for the given name as it might
diff --git a/src/cmd/compile/internal/dwarfgen/dwarf.go b/src/cmd/compile/internal/dwarfgen/dwarf.go
index 4bbc04826a..bdaa043396 100644
--- a/src/cmd/compile/internal/dwarfgen/dwarf.go
+++ b/src/cmd/compile/internal/dwarfgen/dwarf.go
@@ -471,7 +471,7 @@ func createComplexVar(fnsym *obj.LSym, fn *ir.Func, varID ssa.VarID) *dwarf.Var
gotype := reflectdata.TypeLinksym(n.Type())
delete(fnsym.Func().Autot, gotype)
- typename := dwarf.InfoPrefix + gotype.Name[len("type."):]
+ typename := dwarf.InfoPrefix + gotype.Name[len("type:"):]
inlIndex := 0
if base.Flag.GenDwarfInl > 1 {
if n.InlFormal() || n.InlLocal() {
diff --git a/src/cmd/compile/internal/gc/main.go b/src/cmd/compile/internal/gc/main.go
index a5a2d56c46..c9493bf593 100644
--- a/src/cmd/compile/internal/gc/main.go
+++ b/src/cmd/compile/internal/gc/main.go
@@ -77,7 +77,7 @@ func Main(archInit func(*ssagen.ArchInfo)) {
// pseudo-package, for scoping
types.BuiltinPkg = types.NewPkg("go.builtin", "") // TODO(gri) name this package go.builtin?
- types.BuiltinPkg.Prefix = "go.builtin" // not go%2ebuiltin
+ types.BuiltinPkg.Prefix = "go:builtin"
// pseudo-package, accessed by import "unsafe"
types.UnsafePkg = types.NewPkg("unsafe", "unsafe")
@@ -92,7 +92,7 @@ func Main(archInit func(*ssagen.ArchInfo)) {
// pseudo-packages used in symbol tables
ir.Pkgs.Itab = types.NewPkg("go.itab", "go.itab")
- ir.Pkgs.Itab.Prefix = "go.itab" // not go%2eitab
+ ir.Pkgs.Itab.Prefix = "go:itab"
// pseudo-package used for methods with anonymous receivers
ir.Pkgs.Go = types.NewPkg("go", "")
diff --git a/src/cmd/compile/internal/gc/obj.go b/src/cmd/compile/internal/gc/obj.go
index 5008aa212a..715b8ee263 100644
--- a/src/cmd/compile/internal/gc/obj.go
+++ b/src/cmd/compile/internal/gc/obj.go
@@ -148,7 +148,7 @@ func dumpdata() {
dumpglobls(typecheck.Target.Externs[numExterns:])
if reflectdata.ZeroSize > 0 {
- zero := base.PkgLinksym("go.map", "zero", obj.ABI0)
+ zero := base.PkgLinksym("go:map", "zero", obj.ABI0)
objw.Global(zero, int32(reflectdata.ZeroSize), obj.DUPOK|obj.RODATA)
zero.Set(obj.AttrStatic, true)
}
diff --git a/src/cmd/compile/internal/ir/expr.go b/src/cmd/compile/internal/ir/expr.go
index 0058a98824..83105de253 100644
--- a/src/cmd/compile/internal/ir/expr.go
+++ b/src/cmd/compile/internal/ir/expr.go
@@ -1134,7 +1134,6 @@ func MethodSymSuffix(recv *types.Type, msym *types.Sym, suffix string) *types.Sy
b.WriteString(".")
b.WriteString(msym.Name)
b.WriteString(suffix)
-
return rpkg.LookupBytes(b.Bytes())
}
diff --git a/src/cmd/compile/internal/noder/import.go b/src/cmd/compile/internal/noder/import.go
index 49b8fd142a..8b017ecfd5 100644
--- a/src/cmd/compile/internal/noder/import.go
+++ b/src/cmd/compile/internal/noder/import.go
@@ -355,16 +355,6 @@ func addFingerprint(path string, f *os.File, end int64) error {
return nil
}
-// The linker uses the magic symbol prefixes "go." and "type."
-// Avoid potential confusion between import paths and symbols
-// by rejecting these reserved imports for now. Also, people
-// "can do weird things in GOPATH and we'd prefer they didn't
-// do _that_ weird thing" (per rsc). See also #4257.
-var reservedimports = []string{
- "go",
- "type",
-}
-
func checkImportPath(path string, allowSpace bool) error {
if path == "" {
return errors.New("import path is empty")
@@ -374,7 +364,7 @@ func checkImportPath(path string, allowSpace bool) error {
return errors.New("import path contains NUL")
}
- for _, ri := range reservedimports {
+ for ri := range base.ReservedImports {
if path == ri {
return fmt.Errorf("import path %q is reserved and cannot be used", path)
}
diff --git a/src/cmd/compile/internal/ppc64/ssa.go b/src/cmd/compile/internal/ppc64/ssa.go
index c4097947bf..af75b04c6b 100644
--- a/src/cmd/compile/internal/ppc64/ssa.go
+++ b/src/cmd/compile/internal/ppc64/ssa.go
@@ -853,7 +853,7 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) {
// Special case for a rule combines the bytes of gostring.
// The v alignment might seem OK, but we don't want to load it
// using an offset because relocation comes later.
- genAddr = strings.HasPrefix(fromAddr.Sym.Name, "go.string") || v.Type.Alignment()%4 != 0 || fromAddr.Offset%4 != 0
+ genAddr = strings.HasPrefix(fromAddr.Sym.Name, "go:string") || v.Type.Alignment()%4 != 0 || fromAddr.Offset%4 != 0
default:
genAddr = fromAddr.Offset%4 != 0
}
diff --git a/src/cmd/compile/internal/reflectdata/reflect.go b/src/cmd/compile/internal/reflectdata/reflect.go
index 8fb2d50c40..5833c71f4c 100644
--- a/src/cmd/compile/internal/reflectdata/reflect.go
+++ b/src/cmd/compile/internal/reflectdata/reflect.go
@@ -411,7 +411,7 @@ func dimportpath(p *types.Pkg) {
return
}
- s := base.Ctxt.Lookup("type..importpath." + p.Prefix + ".")
+ s := base.Ctxt.Lookup("type:.importpath." + p.Prefix + ".")
ot := dnameData(s, 0, p.Path, "", nil, false, false)
objw.Global(s, int32(ot), obj.DUPOK|obj.RODATA)
s.Set(obj.AttrContentAddressable, true)
@@ -426,10 +426,10 @@ func dgopkgpath(s *obj.LSym, ot int, pkg *types.Pkg) int {
if pkg == types.LocalPkg && base.Ctxt.Pkgpath == "" {
// If we don't know the full import path of the package being compiled
// (i.e. -p was not passed on the compiler command line), emit a reference to
- // type..importpath.""., which the linker will rewrite using the correct import path.
+ // type:.importpath.""., which the linker will rewrite using the correct import path.
// Every package that imports this one directly defines the symbol.
// See also https://groups.google.com/forum/#!topic/golang-dev/myb9s53HxGQ.
- ns := base.Ctxt.Lookup(`type..importpath."".`)
+ ns := base.Ctxt.Lookup(`type:.importpath."".`)
return objw.SymPtr(s, ot, ns, 0)
}
@@ -445,10 +445,10 @@ func dgopkgpathOff(s *obj.LSym, ot int, pkg *types.Pkg) int {
if pkg == types.LocalPkg && base.Ctxt.Pkgpath == "" {
// If we don't know the full import path of the package being compiled
// (i.e. -p was not passed on the compiler command line), emit a reference to
- // type..importpath.""., which the linker will rewrite using the correct import path.
+ // type:.importpath.""., which the linker will rewrite using the correct import path.
// Every package that imports this one directly defines the symbol.
// See also https://groups.google.com/forum/#!topic/golang-dev/myb9s53HxGQ.
- ns := base.Ctxt.Lookup(`type..importpath."".`)
+ ns := base.Ctxt.Lookup(`type:.importpath."".`)
return objw.SymPtrOff(s, ot, ns)
}
@@ -517,11 +517,11 @@ var dnameCount int
// dname creates a reflect.name for a struct field or method.
func dname(name, tag string, pkg *types.Pkg, exported, embedded bool) *obj.LSym {
- // Write out data as "type.." to signal two things to the
+ // Write out data as "type:." to signal two things to the
// linker, first that when dynamically linking, the symbol
// should be moved to a relro section, and second that the
// contents should not be decoded as a type.
- sname := "type..namedata."
+ sname := "type:.namedata."
if pkg == nil {
// In the common case, share data with other packages.
if name == "" {
@@ -798,7 +798,7 @@ func dcommontype(lsym *obj.LSym, t *types.Type) int {
// TrackSym returns the symbol for tracking use of field/method f, assumed
// to be a member of struct/interface type t.
func TrackSym(t *types.Type, f *types.Field) *obj.LSym {
- return base.PkgLinksym("go.track", t.LinkString()+"."+f.Sym.Name, obj.ABI0)
+ return base.PkgLinksym("go:track", t.LinkString()+"."+f.Sym.Name, obj.ABI0)
}
func TypeSymPrefix(prefix string, t *types.Type) *types.Sym {
@@ -1358,7 +1358,7 @@ func WriteTabs() {
// process ptabs
if types.LocalPkg.Name == "main" && len(ptabs) > 0 {
ot := 0
- s := base.Ctxt.Lookup("go.plugin.tabs")
+ s := base.Ctxt.Lookup("go:plugin.tabs")
for _, p := range ptabs {
// Dump ptab symbol into go.pluginsym package.
//
@@ -1381,7 +1381,7 @@ func WriteTabs() {
objw.Global(s, int32(ot), int16(obj.RODATA))
ot = 0
- s = base.Ctxt.Lookup("go.plugin.exports")
+ s = base.Ctxt.Lookup("go:plugin.exports")
for _, p := range ptabs {
ot = objw.SymPtr(s, ot, p.Linksym(), 0)
}
@@ -1715,7 +1715,7 @@ func ZeroAddr(size int64) ir.Node {
if ZeroSize < size {
ZeroSize = size
}
- lsym := base.PkgLinksym("go.map", "zero", obj.ABI0)
+ lsym := base.PkgLinksym("go:map", "zero", obj.ABI0)
x := ir.NewLinksymExpr(base.Pos, lsym, types.Types[types.TUINT8])
return typecheck.Expr(typecheck.NodAddr(x))
}
diff --git a/src/cmd/compile/internal/staticdata/data.go b/src/cmd/compile/internal/staticdata/data.go
index 621da9cbf6..da0db5a573 100644
--- a/src/cmd/compile/internal/staticdata/data.go
+++ b/src/cmd/compile/internal/staticdata/data.go
@@ -61,7 +61,7 @@ func InitSliceBytes(nam *ir.Name, off int64, s string) {
}
const (
- stringSymPrefix = "go.string."
+ stringSymPrefix = "go:string."
stringSymPattern = ".gostring.%d.%s"
)
generated by cgit v1.3 (git 2.53.0) at 2026-04-15 20:30:13 +0000