| 1 | // RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 \ |
| 2 | // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso \ |
| 3 | // RUN: -emit-llvm -o - %s | FileCheck \ |
| 4 | // RUN: --check-prefix=CHECK --check-prefix=CHECK-DIAG \ |
| 5 | // RUN: --check-prefix=ITANIUM --check-prefix=ITANIUM-DIAG \ |
| 6 | // RUN: %s |
| 7 | |
| 8 | // RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 \ |
| 9 | // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso -fsanitize-trap=cfi-icall \ |
| 10 | // RUN: -emit-llvm -o - %s | FileCheck \ |
| 11 | // RUN: --check-prefix=CHECK \ |
| 12 | // RUN: --check-prefix=ITANIUM --check-prefix=ITANIUM-TRAP \ |
| 13 | // RUN: %s |
| 14 | |
| 15 | // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -O1 \ |
| 16 | // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso \ |
| 17 | // RUN: -emit-llvm -o - %s | FileCheck \ |
| 18 | // RUN: --check-prefix=CHECK --check-prefix=CHECK-DIAG \ |
| 19 | // RUN: --check-prefix=MS --check-prefix=MS-DIAG \ |
| 20 | // RUN: %s |
| 21 | |
| 22 | // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -O1 \ |
| 23 | // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso -fsanitize-trap=cfi-icall \ |
| 24 | // RUN: -emit-llvm -o - %s | FileCheck \ |
| 25 | // RUN: --check-prefix=CHECK \ |
| 26 | // RUN: --check-prefix=MS --check-prefix=MS-TRAP \ |
| 27 | // RUN: %s |
| 28 | |
| 29 | // CHECK-DIAG: @[[SRC:.*]] = private unnamed_addr constant {{.*}}cfi-icall-cross-dso.c\00 |
| 30 | // CHECK-DIAG: @[[TYPE:.*]] = private unnamed_addr constant { i16, i16, [{{.*}} x i8] } { i16 -1, i16 0, [{{.*}} x i8] c"'void ()'\00" |
| 31 | // CHECK-DIAG: @[[DATA:.*]] = private unnamed_addr global {{.*}}@[[SRC]]{{.*}}@[[TYPE]] |
| 32 | |
| 33 | |
| 34 | // ITANIUM: call i1 @llvm.type.test(i8* %{{.*}}, metadata !"_ZTSFvE"), !nosanitize |
| 35 | // ITANIUM-DIAG: call void @__cfi_slowpath_diag(i64 6588678392271548388, i8* %{{.*}}, {{.*}}@[[DATA]]{{.*}}) {{.*}}, !nosanitize |
| 36 | // ITANIUM-TRAP: call void @__cfi_slowpath(i64 6588678392271548388, i8* %{{.*}}) {{.*}}, !nosanitize |
| 37 | |
| 38 | // MS: call i1 @llvm.type.test(i8* %{{.*}}, metadata !"?6AX@Z"), !nosanitize |
| 39 | // MS-DIAG: call void @__cfi_slowpath_diag(i64 4195979634929632483, i8* %{{.*}}, {{.*}}@[[DATA]]{{.*}}) {{.*}}, !nosanitize |
| 40 | // MS-TRAP: call void @__cfi_slowpath(i64 4195979634929632483, i8* %{{.*}}) {{.*}}, !nosanitize |
| 41 | |
| 42 | // ITANIUM-DIAG: declare void @__cfi_slowpath_diag( |
| 43 | // ITANIUM-TRAP: declare void @__cfi_slowpath( |
| 44 | // MS-DIAG: declare dso_local void @__cfi_slowpath_diag( |
| 45 | // MS-TRAP: declare dso_local void @__cfi_slowpath( |
| 46 | |
| 47 | void caller(void (*f)()) { |
| 48 | f(); |
| 49 | } |
| 50 | |
| 51 | // Check that we emit both string and hash based type entries for static void g(), |
| 52 | // and don't emit them for the declaration of h(). |
| 53 | |
| 54 | // CHECK: define internal void @g({{.*}} !type [[TVOID:![0-9]+]] !type [[TVOID_GENERALIZED:![0-9]+]] !type [[TVOID_ID:![0-9]+]] |
| 55 | static void g(void) {} |
| 56 | |
| 57 | // CHECK: declare {{(dso_local )?}}void @h({{[^!]*$}} |
| 58 | void h(void); |
| 59 | |
| 60 | typedef void (*Fn)(void); |
| 61 | Fn g1() { |
| 62 | return &g; |
| 63 | } |
| 64 | Fn h1() { |
| 65 | return &h; |
| 66 | } |
| 67 | |
| 68 | // CHECK: define {{(dso_local )?}}void @bar({{.*}} !type [[TNOPROTO:![0-9]+]] !type [[TNOPROTO_GENERALIZED:![0-9]+]] !type [[TNOPROTO_ID:![0-9]+]] |
| 69 | // ITANIUM: define available_externally void @foo({{[^!]*$}} |
| 70 | // MS: define linkonce_odr dso_local void @foo({{.*}} !type [[TNOPROTO]] !type [[TNOPROTO_GENERALIZED:![0-9]+]] !type [[TNOPROTO_ID]] |
| 71 | inline void foo() {} |
| 72 | void bar() { foo(); } |
| 73 | |
| 74 | // ITANIUM: define weak void @__cfi_check |
| 75 | // MS: define weak dso_local void @__cfi_check |
| 76 | |
| 77 | // CHECK: !{i32 4, !"Cross-DSO CFI", i32 1} |
| 78 | |
| 79 | // Check that the type entries are correct. |
| 80 | |
| 81 | // ITANIUM: [[TVOID]] = !{i64 0, !"_ZTSFvvE"} |
| 82 | // ITANIUM: [[TVOID_GENERALIZED]] = !{i64 0, !"_ZTSFvvE.generalized"} |
| 83 | // ITANIUM: [[TVOID_ID]] = !{i64 0, i64 9080559750644022485} |
| 84 | // ITANIUM: [[TNOPROTO]] = !{i64 0, !"_ZTSFvE"} |
| 85 | // ITANIUM: [[TNOPROTO_GENERALIZED]] = !{i64 0, !"_ZTSFvE.generalized"} |
| 86 | // ITANIUM: [[TNOPROTO_ID]] = !{i64 0, i64 6588678392271548388} |
| 87 | |
| 88 | // MS: [[TVOID]] = !{i64 0, !"?6AXXZ"} |
| 89 | // MS: [[TVOID_GENERALIZED]] = !{i64 0, !"?6AXXZ.generalized"} |
| 90 | // MS: [[TVOID_ID]] = !{i64 0, i64 5113650790573562461} |
| 91 | // MS: [[TNOPROTO]] = !{i64 0, !"?6AX@Z"} |
| 92 | // MS: [[TNOPROTO_GENERALIZED]] = !{i64 0, !"?6AX@Z.generalized"} |
| 93 | // MS: [[TNOPROTO_ID]] = !{i64 0, i64 4195979634929632483} |
| 94 | |