address-safety-attr.cpp
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int DefinedInDifferentFile(int *a);
// RUN: echo "int DefinedInDifferentFile(int *a) { return *a; }" > %t.extra-source.cpp
// RUN: echo "struct S { S(){} ~S(){} };" >> %t.extra-source.cpp
// RUN: echo "S glob_array[5];" >> %t.extra-source.cpp
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin -disable-O0-optnone -emit-llvm -o - %s -include %t.extra-source.cpp | FileCheck -check-prefix=WITHOUT %s
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin -disable-O0-optnone -emit-llvm -o - %s -include %t.extra-source.cpp -fsanitize=address | FileCheck -check-prefix=ASAN %s
// RUN: echo "fun:*BlacklistedFunction*" > %t.func.blacklist
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin -disable-O0-optnone -emit-llvm -o - %s -include %t.extra-source.cpp -fsanitize=address -fsanitize-blacklist=%t.func.blacklist | FileCheck -check-prefix=BLFUNC %s
// The blacklist file uses regexps, so escape backslashes, which are common in
// Windows paths.
// RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t.file.blacklist
// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin -disable-O0-optnone -emit-llvm -o - %s -include %t.extra-source.cpp -fsanitize=address -fsanitize-blacklist=%t.file.blacklist | FileCheck -check-prefix=BLFILE %s
// The sanitize_address attribute should be attached to functions
// when AddressSanitizer is enabled, unless no_sanitize_address attribute
// is present.
// Attributes for function defined in different source file:
// WITHOUT: DefinedInDifferentFile{{.*}} [[NOATTR:#[0-9]+]]
// BLFILE: DefinedInDifferentFile{{.*}} [[WITH:#[0-9]+]]
// BLFUNC: DefinedInDifferentFile{{.*}} [[WITH:#[0-9]+]]
// ASAN: DefinedInDifferentFile{{.*}} [[WITH:#[0-9]+]]
// Check that functions generated for global in different source file are
// not blacklisted.
// WITHOUT: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
// WITHOUT: @__cxx_global_array_dtor{{.*}}[[NOATTR]]
// BLFILE: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
// BLFILE: @__cxx_global_array_dtor{{.*}}[[WITH]]
// BLFUNC: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
// BLFUNC: @__cxx_global_array_dtor{{.*}}[[WITH]]
// ASAN: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
// ASAN: @__cxx_global_array_dtor{{.*}}[[WITH]]
// WITHOUT: NoAddressSafety1{{.*}}) [[NOATTR]]
// BLFILE: NoAddressSafety1{{.*}}) [[NOATTR:#[0-9]+]]
// BLFUNC: NoAddressSafety1{{.*}}) [[NOATTR:#[0-9]+]]
// ASAN: NoAddressSafety1{{.*}}) [[NOATTR:#[0-9]+]]
__attribute__((no_sanitize_address))
int NoAddressSafety1(int *a) { return *a; }
// WITHOUT: NoAddressSafety2{{.*}}) [[NOATTR]]
// BLFILE: NoAddressSafety2{{.*}}) [[NOATTR]]
// BLFUNC: NoAddressSafety2{{.*}}) [[NOATTR]]
// ASAN: NoAddressSafety2{{.*}}) [[NOATTR]]
__attribute__((no_sanitize_address))
int NoAddressSafety2(int *a);
int NoAddressSafety2(int *a) { return *a; }
// WITHOUT: NoAddressSafety3{{.*}}) [[NOATTR]]
// BLFILE: NoAddressSafety3{{.*}}) [[NOATTR]]
// BLFUNC: NoAddressSafety3{{.*}}) [[NOATTR]]
// ASAN: NoAddressSafety3{{.*}}) [[NOATTR]]
[[gnu::no_sanitize_address]]
int NoAddressSafety3(int *a) { return *a; }
// WITHOUT: NoAddressSafety4{{.*}}) [[NOATTR]]
// BLFILE: NoAddressSafety4{{.*}}) [[NOATTR]]
// BLFUNC: NoAddressSafety4{{.*}}) [[NOATTR]]
// ASAN: NoAddressSafety4{{.*}}) [[NOATTR]]
[[gnu::no_sanitize_address]]
int NoAddressSafety4(int *a);
int NoAddressSafety4(int *a) { return *a; }
// WITHOUT: NoAddressSafety5{{.*}}) [[NOATTR]]
// BLFILE: NoAddressSafety5{{.*}}) [[NOATTR]]
// BLFUNC: NoAddressSafety5{{.*}}) [[NOATTR]]
// ASAN: NoAddressSafety5{{.*}}) [[NOATTR]]
__attribute__((no_sanitize("address")))
int NoAddressSafety5(int *a) { return *a; }
// WITHOUT: NoAddressSafety6{{.*}}) [[NOATTR]]
// BLFILE: NoAddressSafety6{{.*}}) [[NOATTR]]
// BLFUNC: NoAddressSafety6{{.*}}) [[NOATTR]]
// ASAN: NoAddressSafety6{{.*}}) [[NOATTR]]
__attribute__((no_sanitize("address")))
int NoAddressSafety6(int *a);
int NoAddressSafety6(int *a) { return *a; }
// WITHOUT: AddressSafetyOk{{.*}}) [[NOATTR]]
// BLFILE: AddressSafetyOk{{.*}}) [[NOATTR]]
// BLFUNC: AddressSafetyOk{{.*}}) [[WITH]]
// ASAN: AddressSafetyOk{{.*}}) [[WITH]]
int AddressSafetyOk(int *a) { return *a; }
// WITHOUT: BlacklistedFunction{{.*}}) [[NOATTR]]
// BLFILE: BlacklistedFunction{{.*}}) [[NOATTR]]
// BLFUNC: BlacklistedFunction{{.*}}) [[NOATTR]]
// ASAN: BlacklistedFunction{{.*}}) [[WITH]]
int BlacklistedFunction(int *a) { return *a; }
#define GENERATE_FUNC(name) \
int name(int *a) { return *a; }
// WITHOUT: GeneratedFunction{{.*}}) [[NOATTR]]
// BLFILE: GeneratedFunction{{.*}}) [[NOATTR]]
// BLFUNC: GeneratedFunction{{.*}}) [[WITH]]
// ASAN: GeneratedFunction{{.*}}) [[WITH]]
GENERATE_FUNC(GeneratedFunction)
#define GENERATE_NAME(name) name##_generated
// WITHOUT: Function_generated{{.*}}) [[NOATTR]]
// BLFILE: Function_generated{{.*}}) [[NOATTR]]
// BLFUNC: Function_generated{{.*}}) [[WITH]]
// ASAN: Function_generated{{.*}}) [[WITH]]
int GENERATE_NAME(Function)(int *a) { return *a; }
// WITHOUT: TemplateAddressSafetyOk{{.*}}) [[NOATTR]]
// BLFILE: TemplateAddressSafetyOk{{.*}}) [[NOATTR]]
// BLFUNC: TemplateAddressSafetyOk{{.*}}) [[WITH]]
// ASAN: TemplateAddressSafetyOk{{.*}}) [[WITH]]
template<int i>
int TemplateAddressSafetyOk() { return i; }
// WITHOUT: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
// BLFILE: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
// BLFUNC: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
// ASAN: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
template<int i>
__attribute__((no_sanitize_address))
int TemplateNoAddressSafety1() { return i; }
// WITHOUT: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
// BLFILE: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
// BLFUNC: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
// ASAN: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
template<int i>
__attribute__((no_sanitize("address")))
int TemplateNoAddressSafety2() { return i; }
int force_instance = TemplateAddressSafetyOk<42>()
+ TemplateNoAddressSafety1<42>()
+ TemplateNoAddressSafety2<42>();
// Check that __cxx_global_var_init* get the sanitize_address attribute.
int global1 = 0;
int global2 = *(int*)((char*)&global1+1);
// WITHOUT: @__cxx_global_var_init{{.*}}[[NOATTR]]
// BLFILE: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
// BLFUNC: @__cxx_global_var_init{{.*}}[[WITH]]
// ASAN: @__cxx_global_var_init{{.*}}[[WITH]]
// WITHOUT: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
// BLFILE: attributes [[WITH]] = { noinline nounwind sanitize_address{{.*}} }
// BLFILE: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
// BLFUNC: attributes [[WITH]] = { noinline nounwind sanitize_address{{.*}} }
// BLFUNC: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
// ASAN: attributes [[WITH]] = { noinline nounwind sanitize_address{{.*}} }
// ASAN: attributes [[NOATTR]] = { noinline nounwind{{.*}} }