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ld: Permit an ELF symbol to be exported in the dynamic symbol table.
This permits exporting crosscall2 from the runtime/cgo package. R=rsc CC=golang-dev https://golang.org/cl/3885041
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@ -641,8 +641,10 @@ ldelf(Biobuf *f, char *pkg, int64 len, char *pn)
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s->sub = sect->sym->sub;
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sect->sym->sub = s;
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s->type = sect->sym->type | SSUB;
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s->dynimplib = nil; // satisfy dynimport
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s->dynimpname = nil; // satisfy dynimport
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if(!s->dynexport) {
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s->dynimplib = nil; // satisfy dynimport
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s->dynimpname = nil; // satisfy dynimport
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}
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s->value = sym.value;
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s->size = sym.size;
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s->outer = sect->sym;
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