diff --git a/src/cmd/gc/export.c b/src/cmd/gc/export.c index 594509915e..09b963f271 100644 --- a/src/cmd/gc/export.c +++ b/src/cmd/gc/export.c @@ -51,6 +51,12 @@ exportname(char *s) return isupperrune(r); } +static int +initname(char *s) +{ + return strcmp(s, "init") == 0; +} + void autoexport(Node *n, int ctxt) { @@ -60,7 +66,7 @@ autoexport(Node *n, int ctxt) return; if(n->ntype && n->ntype->op == OTFUNC && n->ntype->left) // method return; - if(exportname(n->sym->name) || strcmp(n->sym->name, "init") == 0) + if(exportname(n->sym->name) || initname(n->sym->name)) exportsym(n); else packagesym(n); @@ -304,7 +310,7 @@ importsym(Sym *s, int op) // mark the symbol so it is not reexported if(s->def == N) { - if(exportname(s->name)) + if(exportname(s->name) || initname(s->name)) s->flags |= SymExport; else s->flags |= SymPackage; // package scope @@ -374,7 +380,7 @@ importvar(Sym *s, Type *t, int ctxt) { Node *n; - if(!exportname(s->name) && !mypackage(s)) + if(!exportname(s->name) && !initname(s->name) && !mypackage(s)) return; importsym(s, ONAME); diff --git a/src/cmd/gc/init.c b/src/cmd/gc/init.c index dc073443e0..af4eb03360 100644 --- a/src/cmd/gc/init.c +++ b/src/cmd/gc/init.c @@ -30,19 +30,19 @@ renameinit(Node *n) /* * hand-craft the following initialization code - * var initdone· uint8 (1) - * func Init·() (2) - * if initdone· != 0 { (3) - * if initdone· == 2 (4) + * var initdone· uint8 (1) + * func init() (2) + * if initdone· != 0 { (3) + * if initdone· == 2 (4) * return * throw(); (5) * } - * initdone. = 1; (6) + * initdone· = 1; (6) * // over all matching imported symbols - * .init·() (7) + * .init() (7) * { } (8) - * init·() // if any (9) - * initdone. = 2; (10) + * init·() // if any (9) + * initdone· = 2; (10) * return (11) * } */ @@ -79,7 +79,7 @@ anyinit(NodeList *n) // are there any imported init functions for(h=0; hlink) { - if(s->name[0] != 'I' || strncmp(s->name, "Init·", 6) != 0) + if(s->name[0] != 'i' || strcmp(s->name, "init") != 0) continue; if(s->def == N) continue; @@ -118,12 +118,7 @@ fninit(NodeList *n) // (2) maxarg = 0; - snprint(namebuf, sizeof(namebuf), "Init·"); - - // this is a botch since we need a known name to - // call the top level init function out of rt0 - if(strcmp(localpkg->name, "main") == 0) - snprint(namebuf, sizeof(namebuf), "init"); + snprint(namebuf, sizeof(namebuf), "init"); fn = nod(ODCLFUNC, N, N); initsym = lookup(namebuf); @@ -154,7 +149,7 @@ fninit(NodeList *n) // (7) for(h=0; hlink) { - if(s->name[0] != 'I' || strncmp(s->name, "Init·", 6) != 0) + if(s->name[0] != 'i' || strcmp(s->name, "init") != 0) continue; if(s->def == N) continue; diff --git a/src/cmd/gc/subr.c b/src/cmd/gc/subr.c index 94e6dc5d52..142e5ba41e 100644 --- a/src/cmd/gc/subr.c +++ b/src/cmd/gc/subr.c @@ -2268,7 +2268,7 @@ syslook(char *name, int copy) s = pkglookup(name, runtimepkg); if(s == S || s->def == N) - fatal("looksys: cant find runtime.%s", name); + fatal("syslook: can't find runtime.%s", name); if(!copy) return s->def; diff --git a/test/init.go b/test/init.go new file mode 100644 index 0000000000..b6c8c97063 --- /dev/null +++ b/test/init.go @@ -0,0 +1,18 @@ +// errchk $G -e $D/$F.go + +// Copyright 2011 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 main + +import "runtime" + +func init() { +} + +func main() { + init() // ERROR "undefined: init" + runtime.init() // ERROR "unexported.*runtime\.init" + var _ = init // ERROR "undefined: init" +}