1 // RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-apple-darwin9 %s
2
3 int x __attribute__((section(
4 42))); // expected-error {{expected string literal as argument of 'section' attribute}}
5
6 int y __attribute__((section(
7 "sadf"))); // expected-error {{mach-o section specifier requires a segment and section separated by a comma}}
8
9 // PR6007
test(void)10 void test(void) {
11 __attribute__((section("NEAR,x"))) int n1; // expected-error {{'section' attribute only applies to functions, global variables, Objective-C methods, and Objective-C properties}}
12 __attribute__((section("NEAR,x"))) static int n2; // ok.
13 }
14
15 // pr9356
16 void __attribute__((section("foo,zed"))) test2(void); // expected-note {{previous attribute is here}}
test2(void)17 void __attribute__((section("bar,zed"))) test2(void) {} // expected-warning {{section does not match previous declaration}}
18
19 enum __attribute__((section("NEAR,x"))) e { one }; // expected-error {{'section' attribute only applies to}}
20
21 extern int a; // expected-note {{previous declaration is here}}
22 int *b = &a;
23 extern int a __attribute__((section("foo,zed"))); // expected-warning {{section attribute is specified on redeclared variable}}
24
25 // Not a warning.
26 int c;
27 int c __attribute__((section("seg1,sec1")));
28
29 const int with_init __attribute__((section("init_mix,x"))) = 1;
30 const int no_init __attribute__((section("init_mix,x")));
31
32 // Also OK.
33 struct r_debug {};
34 extern struct r_debug _r_debug;
35 struct r_debug _r_debug __attribute__((nocommon, section(".r_debug,bar")));
36
37 // Section type conflicts between functions and variables
38 void test3(void) __attribute__((section("seg3,sec3"))); // expected-note {{declared here}}
test3(void)39 void test3(void) {}
40 const int const_global_var __attribute__((section("seg3,sec3"))) = 10; // expected-error {{'const_global_var' causes a section type conflict with 'test3'}}
41
42 void test4(void) __attribute__((section("seg4,sec4"))); // expected-note {{declared here}}
test4(void)43 void test4(void) {}
44 int mut_global_var __attribute__((section("seg4,sec4"))) = 10; // expected-error {{'mut_global_var' causes a section type conflict with 'test4'}}
45
46 const int global_seg5sec5 __attribute__((section("seg5,sec5"))) = 10; // expected-note {{declared here}}
47 void test5(void) __attribute__((section("seg5,sec5"))); // expected-error {{'test5' causes a section type conflict with 'global_seg5sec5'}}
test5(void)48 void test5(void) {}
49
50 void test6(void);
51 const int global_seg6sec6 __attribute__((section("seg6,sec6"))) = 10; // expected-note {{declared here}}
52 void test6(void) __attribute__((section("seg6,sec6"))); // expected-error {{'test6' causes a section type conflict with 'global_seg6sec6'}}
test6(void)53 void test6(void) {}
54