// Test -fsanitize-address-field-padding // RUN: echo 'type:SomeNamespace::BlacklistedByName=field-padding' > %t.type.blacklist // RUN: echo 'src:*sanitize-address-field-padding.cpp=field-padding' > %t.file.blacklist // RUN: %clang_cc1 -fsanitize=address -fsanitize-address-field-padding=1 -fsanitize-blacklist=%t.type.blacklist -Rsanitize-address -emit-llvm -o - %s 2>&1 | FileCheck %s // RUN: %clang_cc1 -fsanitize=address -fsanitize-address-field-padding=1 -fsanitize-blacklist=%t.file.blacklist -Rsanitize-address -emit-llvm -o - %s 2>&1 | FileCheck %s --check-prefix=FILE_BLACKLIST // RUN: %clang_cc1 -fsanitize=address -emit-llvm -o - %s 2>&1 | FileCheck %s --check-prefix=NO_PADDING // REQUIRES: shell // // The reasons to ignore a particular class are not set in stone and will change. // // CHECK: -fsanitize-address-field-padding applied to Positive1 // CHECK: -fsanitize-address-field-padding ignored for Negative1 because it is trivially copyable // CHECK: -fsanitize-address-field-padding ignored for Negative2 because it is trivially copyable // CHECK: -fsanitize-address-field-padding ignored for Negative3 because it is a union // CHECK: -fsanitize-address-field-padding ignored for Negative4 because it is trivially copyable // CHECK: -fsanitize-address-field-padding ignored for Negative5 because it is packed // CHECK: -fsanitize-address-field-padding ignored for SomeNamespace::BlacklistedByName because it is blacklisted // CHECK: -fsanitize-address-field-padding ignored for ExternCStruct because it is not C++ // // FILE_BLACKLIST: -fsanitize-address-field-padding ignored for Positive1 because it is in a blacklisted file // FILE_BLACKLIST-NOT: __asan_poison_intra_object_redzone // NO_PADDING-NOT: __asan_poison_intra_object_redzone class Positive1 { public: Positive1() {} ~Positive1() {} int make_it_non_standard_layout; private: char private1; int private2; short private_array[6]; long long private3; }; Positive1 positive1; // Positive1 with extra paddings // CHECK: type { i32, [12 x i8], i8, [15 x i8], i32, [12 x i8], [6 x i16], [12 x i8], i64, [8 x i8] } class Negative1 { public: Negative1() {} int public1, public2; }; Negative1 negative1; // CHECK: type { i32, i32 } class Negative2 { public: Negative2() {} private: int private1, private2; }; Negative2 negative2; // CHECK: type { i32, i32 } union Negative3 { char m1[8]; long long m2; }; Negative3 negative3; // CHECK: type { i64 } class Negative4 { public: Negative4() {} // No DTOR int make_it_non_standard_layout; private: char private1; int private2; }; Negative4 negative4; // CHECK: type { i32, i8, i32 } class __attribute__((packed)) Negative5 { public: Negative5() {} ~Negative5() {} int make_it_non_standard_layout; private: char private1; int private2; }; Negative5 negative5; // CHECK: type <{ i32, i8, i32 }> namespace SomeNamespace { class BlacklistedByName { public: BlacklistedByName() {} ~BlacklistedByName() {} int make_it_non_standard_layout; private: char private1; int private2; }; } // SomeNamespace SomeNamespace::BlacklistedByName blacklisted_by_name; extern "C" { class ExternCStruct { public: ExternCStruct() {} ~ExternCStruct() {} int make_it_non_standard_layout; private: char private1; int private2; }; } // extern "C" ExternCStruct extern_C_struct; // CTOR // CHECK-LABEL: define linkonce_odr void @_ZN9Positive1C1Ev // CHECK: call void @__asan_poison_intra_object_redzone({{.*}}, i64 12) // CHECK: call void @__asan_poison_intra_object_redzone({{.*}}, i64 15) // CHECK: call void @__asan_poison_intra_object_redzone({{.*}}, i64 12) // CHECK: call void @__asan_poison_intra_object_redzone({{.*}}, i64 12) // CHECK: call void @__asan_poison_intra_object_redzone({{.*}}, i64 8) // CHECK-NOT: __asan_poison_intra_object_redzone // CHECK: ret void // DTOR // CHECK-LABEL: define linkonce_odr void @_ZN9Positive1D1Ev // CHECK: call void @__asan_unpoison_intra_object_redzone({{.*}}, i64 12) // CHECK: call void @__asan_unpoison_intra_object_redzone({{.*}}, i64 15) // CHECK: call void @__asan_unpoison_intra_object_redzone({{.*}}, i64 12) // CHECK: call void @__asan_unpoison_intra_object_redzone({{.*}}, i64 12) // CHECK: call void @__asan_unpoison_intra_object_redzone({{.*}}, i64 8) // CHECK-NOT: __asan_unpoison_intra_object_redzone // CHECK: ret void // // CHECK-LABEL: define linkonce_odr void @_ZN9Negative1C1Ev // CHECK-NOT: call void @__asan_poison_intra_object_redzone // CHECK: ret void // // CHECK-LABEL: define linkonce_odr void @_ZN9Negative2C1Ev // CHECK-NOT: call void @__asan_poison_intra_object_redzone // CHECK: ret void // // CHECK-LABEL: define linkonce_odr void @_ZN9Negative4C1Ev // CHECK-NOT: call void @__asan_poison_intra_object_redzone // CHECK: ret void