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cmd/ld: fix syms that are both cgo_import_static & cgo_import_dynamic

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This is needed for SWIG when linking in internal mode.  In
internal mode if a symbol was cgo_import_static we used to
forget that it was also cgo_import_dynamic.

R=rsc, r
CC=golang-dev
https://golang.org/cl/9080043
This commit is contained in:
Ian Lance Taylor 2013-05-01 14:30:19 -07:00
parent 3bd076991b
commit a555758909
2 changed files with 13 additions and 4 deletions
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5
src/cmd/ld/go.c
View File

@ -463,11 +463,12 @@ loadcgo(char *file, char *pkg, char *p, int n)
s = lookup(local, 0);
if(local != f[1])
free(local);
if(s->type == 0 || s->type == SXREF) {
if(s->type == 0 || s->type == SXREF || s->type == SHOSTOBJ) {
s->dynimplib = lib;
s->extname = remote;
s->dynimpvers = q;
s->type = SDYNIMPORT;
if(s->type != SHOSTOBJ)
s->type = SDYNIMPORT;
havedynamic = 1;
}
continue;

12
src/cmd/ld/lib.c
View File

@ -331,8 +331,16 @@ loadlib(void)
// Drop all the cgo_import_static declarations.
// Turns out we won't be needing them.
for(s = allsym; s != S; s = s->allsym)
if(s->type == SHOSTOBJ)
s->type = 0;
if(s->type == SHOSTOBJ) {
// If a symbol was marked both
// cgo_import_static and cgo_import_dynamic,
// then we want to make it cgo_import_dynamic
// now.
if(s->extname != nil && s->cgoexport == 0) {
s->type = SDYNIMPORT;
} else
s->type = 0;
}
}
// Now that we know the link mode, trim the dynexp list.