harec

commit 6b8611115c60b6526d4c6958328b2e03ae96247a
parent bb8e071af8af1511a03769d944ffb2e4a91db3d0
Author: Drew DeVault <sir@cmpwn.com>
Date:   Mon,  1 Feb 2021 16:08:15 -0500

gen: insert struct padding into globals

Diffstat:
M
src/gen.c
 | 
11
+++++++++++

1 file changed, 11 insertions(+), 0 deletions(-)
diff --git a/src/gen.c b/src/gen.c
@@ -2298,6 +2298,17 @@ gen_data_item(struct gen_context *ctx, struct expression *expr,
 				f; f = f->next) {
 			gen_data_item(ctx, f->value, item);
 			if (f->next) {
+				const struct struct_field *f1 = f->field;
+				const struct struct_field *f2 = f->next->field;
+				if (f2->offset != f1->offset + f2->type->size) {
+					item->next = xcalloc(1,
+						sizeof(struct qbe_data_item));
+					item = item->next;
+					item->type = QD_ZEROED;
+					item->zeroed = f2->offset -
+						(f1->offset + f1->type->size);
+				}
+
 				item->next = xcalloc(1,
 					sizeof(struct qbe_data_item));
 				item = item->next;