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[RFC,07/48] topasm: top-level asm is special

Message ID 20170823201554.90551-8-luc.vanoostenryck@gmail.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Luc Van Oostenryck Aug. 23, 2017, 8:15 p.m. UTC 
Top-level asm is parsed as a fake anonymous function.

Obviously it also doesn't have a return type and such
and this may complicate things if we continue to treat it
as a function.

Avoid potential problems by special casing it and returning
early in linearize_fn().

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
 linearize.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/linearize.c b/linearize.c
index e3d234e7e..298991dcd 100644
--- a/linearize.c
+++ b/linearize.c
@@ -2200,6 +2200,11 @@  static struct entrypoint *linearize_fn(struct symbol *sym, struct symbol *base_t
 	add_one_insn(ep, entry);
 	ep->entry = entry;
 
+	if (!sym->ident) {	// top-level asm
+		linearize_statement(ep, base_type->stmt);
+		return ep;
+	}
+
 	concat_symbol_list(base_type->arguments, &ep->syms);
 
 	/* FIXME!! We should do something else about varargs.. */