From 7d6cdc0350820a3ba8e583853ba350af118092e0 Mon Sep 17 00:00:00 2001 From: Luc Van Oostenryck Date: Sat, 20 Jan 2018 10:43:18 +0100 Subject: add testcases for type attributes Currently, type attributes are not handled correctly. Add some testcases for them. Signed-off-by: Luc Van Oostenryck --- validation/type-attribute-align.c | 20 ++++++++++++++++++++ validation/type-attribute-as.c | 34 ++++++++++++++++++++++++++++++++++ validation/type-attribute-mod.c | 22 ++++++++++++++++++++++ validation/type-attribute-qual.c | 15 +++++++++++++++ 4 files changed, 91 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 create mode 100644 validation/type-attribute-qual.c diff --git a/validation/type-attribute-align.c b/validation/type-attribute-align.c new file mode 100644 index 00000000..d9358bff --- /dev/null +++ b/validation/type-attribute-align.c @@ -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 + */ diff --git a/validation/type-attribute-as.c b/validation/type-attribute-as.c new file mode 100644 index 00000000..b40b4e7d --- /dev/null +++ b/validation/type-attribute-as.c @@ -0,0 +1,34 @@ +#define __as __attribute__((address_space(__as))) + +struct s { + int i; +} __as; + + +extern void use0(void *); +extern void use1(void __as *); + +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 * +type-attribute-as.c:16:15: got struct s __as * +type-attribute-as.c:19:15: warning: incorrect type in argument 1 (different address spaces) +type-attribute-as.c:19:15: expected void __as * +type-attribute-as.c:19:15: got int * + * check-error-end + */ diff --git a/validation/type-attribute-mod.c b/validation/type-attribute-mod.c new file mode 100644 index 00000000..0e7b166a --- /dev/null +++ b/validation/type-attribute-mod.c @@ -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 + */ diff --git a/validation/type-attribute-qual.c b/validation/type-attribute-qual.c new file mode 100644 index 00000000..62d8b98e --- /dev/null +++ b/validation/type-attribute-qual.c @@ -0,0 +1,15 @@ +static const struct s { + int x; +} map[2]; + +static void foo(struct s *p, int v) +{ + p->x += v; +} + +/* + * check-name: type-attribute-qual + * check-description: When declaring a type and a variable in the same + * declaration, ensure that type qualifiers apply to the variable + * and not to the type. + */ -- cgit 1.2.3-korg