| // RUN: %clang_cc1 -x c -triple x86_64-pc-linux-gnu -dwarf-version=4 -fsyntax-only -verify %s |
| |
| #define __tag1 __attribute__((btf_decl_tag("tag1"))) |
| #define __tag2 __attribute__((btf_decl_tag("tag2"))) |
| #define __tag3 __attribute__((btf_decl_tag("tag3"))) |
| |
| #define __tag_no_arg __attribute__((btf_decl_tag())) |
| #define __tag_2_arg __attribute__((btf_decl_tag("tag1", "tag2"))) |
| #define __invalid __attribute__((btf_decl_tag(1))) |
| |
| struct __tag1 __tag2 t1; |
| struct t1 { |
| int a __tag1; |
| } __tag3; |
| |
| struct __tag1 t2; |
| struct __tag2 __tag3 t2 { |
| int a __tag1; |
| }; |
| |
| int g1 __tag1; |
| int g2 __tag_no_arg; // expected-error {{'btf_decl_tag' attribute takes one argument}} |
| int g3 __tag_2_arg; // expected-error {{'btf_decl_tag' attribute takes one argument}} |
| int i1 __invalid; // expected-error {{expected string literal as argument of 'btf_decl_tag' attribute}} |
| |
| enum e1 { |
| E1 |
| } __tag1; // expected-error {{'btf_decl_tag' attribute only applies to variables, functions, structs, unions, classes, non-static data members, and typedefs}} |
| |
| enum e2 { |
| E2 |
| } __tag_no_arg; // expected-error {{'btf_decl_tag' attribute only applies to variables, functions, structs, unions, classes, non-static data members, and typedefs}} |
| |
| enum e3 { |
| E3 |
| } __tag_2_arg; // expected-error {{'btf_decl_tag' attribute only applies to variables, functions, structs, unions, classes, non-static data members, and typedefs}} |
| |
| int __tag1 __tag2 foo(struct t1 *arg, struct t2 *arg2); |
| int __tag2 __tag3 foo(struct t1 *arg, struct t2 *arg2); |
| int __tag1 foo(struct t1 *arg __tag1, struct t2 *arg2) { |
| return arg->a + arg2->a; |
| } |
| |
| typedef unsigned * __u1 __tag1 __tag2; |
| typedef struct { |
| int a; |
| } __t2 __tag1 __tag2; |
| int convert2(__t2 *arg) { |
| return arg->a; |
| } |