derek.holloway
7502bf64a4
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72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
// RUN: %clang_cc1 -verify -fsyntax-only -triple x86_64-linux-gnu %s
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int x __attribute__((section(
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42))); // expected-error {{expected string literal as argument of 'section' attribute}}
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// PR6007
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void test() {
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__attribute__((section("NEAR,x"))) int n1; // expected-error {{'section' attribute only applies to functions, global variables, Objective-C methods, and Objective-C properties}}
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__attribute__((section("NEAR,x"))) static int n2; // ok.
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}
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// pr9356
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void __attribute__((section("foo"))) test2(); // expected-note {{previous attribute is here}}
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void __attribute__((section("bar"))) test2() {} // expected-warning {{section does not match previous declaration}}
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enum __attribute__((section("NEAR,x"))) e { one }; // expected-error {{'section' attribute only applies to}}
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extern int a; // expected-note {{previous declaration is here}}
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int *b = &a;
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extern int a __attribute__((section("foo,zed"))); // expected-warning {{section attribute is specified on redeclared variable}}
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// Not a warning.
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extern int c;
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int c __attribute__((section("foo,zed")));
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// Also OK.
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struct r_debug {};
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extern struct r_debug _r_debug;
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struct r_debug _r_debug __attribute__((nocommon, section(".r_debug,bar")));
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namespace override {
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struct A {
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__attribute__((section("foo"))) virtual void f(){};
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};
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struct B : A {
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void f() {} // ok
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};
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struct C : A {
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__attribute__((section("bar"))) void f(); // expected-note {{previous}}
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};
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__attribute__((section("baz"))) // expected-warning {{section does not match}}
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void C::f() {}
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}
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// Check for section type conflicts between global variables and function templates
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template <typename> __attribute__((section("template_fn1"))) void template_fn1() {} // expected-note {{declared here}}
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const int const_global_var __attribute__((section("template_fn1"))) = 42; // expected-error {{'const_global_var' causes a section type conflict with 'template_fn1'}}
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int mut_global_var __attribute__((section("template_fn2"))) = 42; // expected-note {{declared here}}
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template <typename> __attribute__((section("template_fn2"))) void template_fn2() {} // expected-error {{'template_fn2' causes a section type conflict with 'mut_global_var'}}
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namespace mutable_member {
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struct t1 {
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mutable int i;
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};
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extern const t1 v1;
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__attribute__((section("mutable_member"))) const t1 v1{};
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extern int i;
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__attribute__((section("mutable_member"))) int i{};
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} // namespace mutable_member
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namespace non_trivial_ctor {
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struct t1 {
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t1();
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constexpr t1(int) { }
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};
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extern const t1 v1;
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__attribute__((section("non_trivial_ctor"))) const t1 v1; // expected-note {{declared here}}
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extern const t1 v2;
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__attribute__((section("non_trivial_ctor"))) const t1 v2{3}; // expected-error {{'v2' causes a section type conflict with 'v1'}}
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} // namespace non_trivial_ctor
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