1 // RUN: echo "int extra_global;" > %t.extra-source.cpp
2 // RUN: echo "global:*blacklisted_global*" > %t.blacklist
3 // RUN: %clang_cc1 -include %t.extra-source.cpp -fsanitize=address -fsanitize-blacklist=%t.blacklist -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,ASAN
4 // RUN: %clang_cc1 -include %t.extra-source.cpp -fsanitize=kernel-address -fsanitize-blacklist=%t.blacklist -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,KASAN
5 // The blacklist file uses regexps, so Windows path backslashes.
6 // RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t.blacklist-src
7 // RUN: %clang_cc1 -include %t.extra-source.cpp -fsanitize=address -fsanitize-blacklist=%t.blacklist-src -emit-llvm -o - %s | FileCheck %s --check-prefix=BLACKLIST-SRC
8 // RUN: %clang_cc1 -include %t.extra-source.cpp -fsanitize=kernel-address -fsanitize-blacklist=%t.blacklist-src -emit-llvm -o - %s | FileCheck %s --check-prefix=BLACKLIST-SRC
9
10 int global;
11 int dyn_init_global = global;
12 int __attribute__((no_sanitize("address"))) attributed_global;
13 int blacklisted_global;
14
15 int __attribute__((section("__DATA, __common"))) sectioned_global; // KASAN - ignore globals in a section
16 extern "C" {
17 int __special_global; // KASAN - ignore globals with __-prefix
18 }
19
func()20 void func() {
21 static int static_var = 0;
22 const char *literal = "Hello, world!";
23 }
24
25 // ASAN: sectioned_global{{.*}} global { i32, [60 x i8] }{{.*}}, align 32
26 // KASAN: sectioned_global{{.*}} global i32
27 // ASAN: @__special_global{{.*}} global { i32, [60 x i8] }{{.*}}, align 32
28 // KASAN: @__special_global{{.*}} global i32
29
30 // CHECK-LABEL: define internal void @asan.module_ctor
31 // ASAN-NEXT: call void @__asan_init
32 // ASAN-NEXT: call void @__asan_version_mismatch_check
33 // KASAN-NOT: call void @__asan_init
34 // KASAN-NOT: call void @__asan_version_mismatch_check
35 // ASAN-NEXT: call void @__asan_register_globals({{.*}}, i{{32|64}} 7)
36 // KASAN-NEXT: call void @__asan_register_globals({{.*}}, i{{32|64}} 5)
37 // CHECK-NEXT: ret void
38
39 // CHECK-LABEL: define internal void @asan.module_dtor
40 // CHECK-NEXT: call void @__asan_unregister_globals
41 // CHECK-NEXT: ret void
42
43 // CHECK: !llvm.asan.globals = !{![[EXTRA_GLOBAL:[0-9]+]], ![[GLOBAL:[0-9]+]], ![[DYN_INIT_GLOBAL:[0-9]+]], ![[ATTR_GLOBAL:[0-9]+]], ![[BLACKLISTED_GLOBAL:[0-9]+]], ![[SECTIONED_GLOBAL:[0-9]+]], ![[SPECIAL_GLOBAL:[0-9]+]], ![[STATIC_VAR:[0-9]+]], ![[LITERAL:[0-9]+]]}
44 // CHECK: ![[EXTRA_GLOBAL]] = !{{{.*}} ![[EXTRA_GLOBAL_LOC:[0-9]+]], !"extra_global", i1 false, i1 false}
45 // CHECK: ![[EXTRA_GLOBAL_LOC]] = !{!"{{.*}}extra-source.cpp", i32 1, i32 5}
46 // CHECK: ![[GLOBAL]] = !{{{.*}} ![[GLOBAL_LOC:[0-9]+]], !"global", i1 false, i1 false}
47 // CHECK: ![[GLOBAL_LOC]] = !{!"{{.*}}asan-globals.cpp", i32 10, i32 5}
48 // CHECK: ![[DYN_INIT_GLOBAL]] = !{{{.*}} ![[DYN_INIT_LOC:[0-9]+]], !"dyn_init_global", i1 true, i1 false}
49 // CHECK: ![[DYN_INIT_LOC]] = !{!"{{.*}}asan-globals.cpp", i32 11, i32 5}
50 // CHECK: ![[ATTR_GLOBAL]] = !{{{.*}}, null, null, i1 false, i1 true}
51 // CHECK: ![[BLACKLISTED_GLOBAL]] = !{{{.*}}, null, null, i1 false, i1 true}
52 // CHECK: ![[SECTIONED_GLOBAL]] = !{{{.*}} ![[SECTIONED_GLOBAL_LOC:[0-9]+]], !"sectioned_global", i1 false, i1 false}
53 // CHECK: ![[SECTIONED_GLOBAL_LOC]] = !{!"{{.*}}asan-globals.cpp", i32 15, i32 50}
54 // CHECK: ![[SPECIAL_GLOBAL]] = !{{{.*}} ![[SPECIAL_GLOBAL_LOC:[0-9]+]], !"__special_global", i1 false, i1 false}
55 // CHECK: ![[SPECIAL_GLOBAL_LOC]] = !{!"{{.*}}asan-globals.cpp", i32 17, i32 5}
56 // CHECK: ![[STATIC_VAR]] = !{{{.*}} ![[STATIC_LOC:[0-9]+]], !"static_var", i1 false, i1 false}
57 // CHECK: ![[STATIC_LOC]] = !{!"{{.*}}asan-globals.cpp", i32 21, i32 14}
58 // CHECK: ![[LITERAL]] = !{{{.*}} ![[LITERAL_LOC:[0-9]+]], !"<string literal>", i1 false, i1 false}
59 // CHECK: ![[LITERAL_LOC]] = !{!"{{.*}}asan-globals.cpp", i32 22, i32 25}
60
61 // BLACKLIST-SRC: !llvm.asan.globals = !{![[EXTRA_GLOBAL:[0-9]+]], ![[GLOBAL:[0-9]+]], ![[DYN_INIT_GLOBAL:[0-9]+]], ![[ATTR_GLOBAL:[0-9]+]], ![[BLACKLISTED_GLOBAL:[0-9]+]], ![[SECTIONED_GLOBAL:[0-9]+]], ![[SPECIAL_GLOBAL:[0-9]+]], ![[STATIC_VAR:[0-9]+]], ![[LITERAL:[0-9]+]]}
62 // BLACKLIST-SRC: ![[EXTRA_GLOBAL]] = !{{{.*}} ![[EXTRA_GLOBAL_LOC:[0-9]+]], !"extra_global", i1 false, i1 false}
63 // BLACKLIST-SRC: ![[EXTRA_GLOBAL_LOC]] = !{!"{{.*}}extra-source.cpp", i32 1, i32 5}
64 // BLACKLIST-SRC: ![[GLOBAL]] = !{{{.*}} null, null, i1 false, i1 true}
65 // BLACKLIST-SRC: ![[DYN_INIT_GLOBAL]] = !{{{.*}} null, null, i1 true, i1 true}
66 // BLACKLIST-SRC: ![[ATTR_GLOBAL]] = !{{{.*}}, null, null, i1 false, i1 true}
67 // BLACKLIST-SRC: ![[BLACKLISTED_GLOBAL]] = !{{{.*}}, null, null, i1 false, i1 true}
68 // BLACKLIST-SRC: ![[SECTIONED_GLOBAL]] = !{{{.*}} null, null, i1 false, i1 true}
69 // BLACKLIST-SRC: ![[SPECIAL_GLOBAL]] = !{{{.*}} null, null, i1 false, i1 true}
70 // BLACKLIST-SRC: ![[STATIC_VAR]] = !{{{.*}} null, null, i1 false, i1 true}
71 // BLACKLIST-SRC: ![[LITERAL]] = !{{{.*}} null, null, i1 false, i1 true}
72