new file mode 100644
@@ -0,0 +1,20 @@
+#define __aligned(N) __attribute__((aligned(N)))
+#define alignof(X) __alignof__(X)
+
+struct s {
+ short a, b, c;
+} __aligned(2*sizeof(short));
+
+static int fs(void) { return sizeof(struct s); }
+static int fa(void) { return alignof(struct s); }
+
+void main(void)
+{
+ _Static_assert( sizeof(struct s) == 4 * sizeof(short), "size");
+ _Static_assert(alignof(struct s) == 2 * sizeof(short), "alignment");
+}
+
+/*
+ * check-name: type-attribute-align
+ * check-known-to-fail
+ */
new file mode 100644
@@ -0,0 +1,34 @@
+#define __user __attribute__((address_space(1)))
+
+struct s {
+ int i;
+} __user;
+
+
+extern void use0(void *);
+extern void use1(void __user *);
+
+void main(void)
+{
+ struct s s;
+ int i;
+
+ use0(&s); // KO
+ use0(&i); // OK
+ use1(&s); // OK
+ use1(&i); // KO
+}
+
+/*
+ * check-name: type-attribute-as
+ * check-known-to-fail
+ *
+ * check-error-start
+type-attribute-as.c:16:15: warning: incorrect type in argument 1 (different address spaces)
+type-attribute-as.c:16:15: expected void *<noident>
+type-attribute-as.c:16:15: got struct s <asn:1>*<noident>
+type-attribute-as.c:19:15: warning: incorrect type in argument 1 (different address spaces)
+type-attribute-as.c:19:15: expected void <asn:1>*<noident>
+type-attribute-as.c:19:15: got int *<noident>
+ * check-error-end
+ */
new file mode 100644
@@ -0,0 +1,22 @@
+#define __noderef __attribute__((noderef))
+
+struct s {
+ int i;
+} __noderef;
+
+
+void main(void)
+{
+ struct s s;
+
+ s.i = 0;
+}
+
+/*
+ * check-name: type-attribute-mod
+ * check-known-to-fail
+ *
+ * check-error-start
+type-attribute-mod.c:12:9: warning: dereference of noderef expression
+ * check-error-end
+ */
Currently, sparse doesn't correctly take in account type attributes. Add some test cases for those. Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> --- validation/type-attribute-align.c | 20 ++++++++++++++++++++ validation/type-attribute-as.c | 34 ++++++++++++++++++++++++++++++++++ validation/type-attribute-mod.c | 22 ++++++++++++++++++++++ 3 files changed, 76 insertions(+) create mode 100644 validation/type-attribute-align.c create mode 100644 validation/type-attribute-as.c create mode 100644 validation/type-attribute-mod.c