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 | |