1 // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-apple-darwin9 %s
2
3 int x __attribute__((section(
4 42))); // expected-error {{'section' attribute requires a string}}
5
6
7 // rdar://4341926
8 int y __attribute__((section(
9 "sadf"))); // expected-error {{mach-o section specifier requires a segment and section separated by a comma}}
10
11 // PR6007
test()12 void test() {
13 __attribute__((section("NEAR,x"))) int n1; // expected-error {{'section' attribute only applies to functions, global variables, Objective-C methods, and Objective-C properties}}
14 __attribute__((section("NEAR,x"))) static int n2; // ok.
15 }
16
17 // pr9356
18 void __attribute__((section("foo,zed"))) test2(void); // expected-note {{previous attribute is here}}
test2(void)19 void __attribute__((section("bar,zed"))) test2(void) {} // expected-warning {{section does not match previous declaration}}
20
21 enum __attribute__((section("NEAR,x"))) e { one }; // expected-error {{'section' attribute only applies to}}
22
23 extern int a; // expected-note {{previous declaration is here}}
24 int *b = &a;
25 extern int a __attribute__((section("foo,zed"))); // expected-warning {{section attribute is specified on redeclared variable}}
26
27 // Not a warning.
28 int c;
29 int c __attribute__((section("seg1,sec1")));
30
31 // Also OK.
32 struct r_debug {};
33 extern struct r_debug _r_debug;
34 struct r_debug _r_debug __attribute__((nocommon, section(".r_debug,bar")));
35
36 // Section type conflicts between functions and variables
37 void test3(void) __attribute__((section("seg3,sec3"))); // expected-note {{declared here}}
test3(void)38 void test3(void) {}
39 const int const_global_var __attribute__((section("seg3,sec3"))) = 10; // expected-error {{'const_global_var' causes a section type conflict with 'test3'}}
40
41 void test4(void) __attribute__((section("seg4,sec4"))); // expected-note {{declared here}}
test4(void)42 void test4(void) {}
43 int mut_global_var __attribute__((section("seg4,sec4"))) = 10; // expected-error {{'mut_global_var' causes a section type conflict with 'test4'}}
44
45 const int global_seg5sec5 __attribute__((section("seg5,sec5"))) = 10; // expected-note {{declared here}}
46 void test5(void) __attribute__((section("seg5,sec5"))); // expected-error {{'test5' causes a section type conflict with 'global_seg5sec5'}}
test5(void)47 void test5(void) {}
48
49 void test6(void);
50 const int global_seg6sec6 __attribute__((section("seg6,sec6"))) = 10; // expected-note {{declared here}}
51 void test6(void) __attribute__((section("seg6,sec6"))); // expected-error {{'test6' causes a section type conflict with 'global_seg6sec6'}}
test6(void)52 void test6(void) {}
53