1 int DefinedInDifferentFile(int *a);
2 // RUN: echo "int DefinedInDifferentFile(int *a) { return *a; }" > %t.extra-source.cpp
3 // RUN: echo "struct S { S(){} ~S(){} };" >> %t.extra-source.cpp
4 // RUN: echo "S glob_array[5];" >> %t.extra-source.cpp
5
6 // 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
7 // 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
8
9 // RUN: echo "fun:*BlacklistedFunction*" > %t.func.blacklist
10 // 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
11
12 // The blacklist file uses regexps, so escape backslashes, which are common in
13 // Windows paths.
14 // RUN: echo "src:%s" | sed -e 's/\\/\\\\/g' > %t.file.blacklist
15 // 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
16
17 // The sanitize_address attribute should be attached to functions
18 // when AddressSanitizer is enabled, unless no_sanitize_address attribute
19 // is present.
20
21 // Attributes for function defined in different source file:
22 // WITHOUT: DefinedInDifferentFile{{.*}} [[NOATTR:#[0-9]+]]
23 // BLFILE: DefinedInDifferentFile{{.*}} [[WITH:#[0-9]+]]
24 // BLFUNC: DefinedInDifferentFile{{.*}} [[WITH:#[0-9]+]]
25 // ASAN: DefinedInDifferentFile{{.*}} [[WITH:#[0-9]+]]
26
27 // Check that functions generated for global in different source file are
28 // not blacklisted.
29 // WITHOUT: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
30 // WITHOUT: @__cxx_global_array_dtor{{.*}}[[NOATTR]]
31 // BLFILE: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
32 // BLFILE: @__cxx_global_array_dtor{{.*}}[[WITH]]
33 // BLFUNC: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
34 // BLFUNC: @__cxx_global_array_dtor{{.*}}[[WITH]]
35 // ASAN: @__cxx_global_var_init{{.*}}[[WITH:#[0-9]+]]
36 // ASAN: @__cxx_global_array_dtor{{.*}}[[WITH]]
37
38
39 // WITHOUT: NoAddressSafety1{{.*}}) [[NOATTR]]
40 // BLFILE: NoAddressSafety1{{.*}}) [[NOATTR:#[0-9]+]]
41 // BLFUNC: NoAddressSafety1{{.*}}) [[NOATTR:#[0-9]+]]
42 // ASAN: NoAddressSafety1{{.*}}) [[NOATTR:#[0-9]+]]
43 __attribute__((no_sanitize_address))
NoAddressSafety1(int * a)44 int NoAddressSafety1(int *a) { return *a; }
45
46 // WITHOUT: NoAddressSafety2{{.*}}) [[NOATTR]]
47 // BLFILE: NoAddressSafety2{{.*}}) [[NOATTR]]
48 // BLFUNC: NoAddressSafety2{{.*}}) [[NOATTR]]
49 // ASAN: NoAddressSafety2{{.*}}) [[NOATTR]]
50 __attribute__((no_sanitize_address))
51 int NoAddressSafety2(int *a);
NoAddressSafety2(int * a)52 int NoAddressSafety2(int *a) { return *a; }
53
54 // WITHOUT: NoAddressSafety3{{.*}}) [[NOATTR]]
55 // BLFILE: NoAddressSafety3{{.*}}) [[NOATTR]]
56 // BLFUNC: NoAddressSafety3{{.*}}) [[NOATTR]]
57 // ASAN: NoAddressSafety3{{.*}}) [[NOATTR]]
58 [[gnu::no_sanitize_address]]
NoAddressSafety3(int * a)59 int NoAddressSafety3(int *a) { return *a; }
60
61 // WITHOUT: NoAddressSafety4{{.*}}) [[NOATTR]]
62 // BLFILE: NoAddressSafety4{{.*}}) [[NOATTR]]
63 // BLFUNC: NoAddressSafety4{{.*}}) [[NOATTR]]
64 // ASAN: NoAddressSafety4{{.*}}) [[NOATTR]]
65 [[gnu::no_sanitize_address]]
66 int NoAddressSafety4(int *a);
NoAddressSafety4(int * a)67 int NoAddressSafety4(int *a) { return *a; }
68
69 // WITHOUT: NoAddressSafety5{{.*}}) [[NOATTR]]
70 // BLFILE: NoAddressSafety5{{.*}}) [[NOATTR]]
71 // BLFUNC: NoAddressSafety5{{.*}}) [[NOATTR]]
72 // ASAN: NoAddressSafety5{{.*}}) [[NOATTR]]
73 __attribute__((no_sanitize("address")))
NoAddressSafety5(int * a)74 int NoAddressSafety5(int *a) { return *a; }
75
76 // WITHOUT: NoAddressSafety6{{.*}}) [[NOATTR]]
77 // BLFILE: NoAddressSafety6{{.*}}) [[NOATTR]]
78 // BLFUNC: NoAddressSafety6{{.*}}) [[NOATTR]]
79 // ASAN: NoAddressSafety6{{.*}}) [[NOATTR]]
80 __attribute__((no_sanitize("address")))
81 int NoAddressSafety6(int *a);
NoAddressSafety6(int * a)82 int NoAddressSafety6(int *a) { return *a; }
83
84 // WITHOUT: AddressSafetyOk{{.*}}) [[NOATTR]]
85 // BLFILE: AddressSafetyOk{{.*}}) [[NOATTR]]
86 // BLFUNC: AddressSafetyOk{{.*}}) [[WITH]]
87 // ASAN: AddressSafetyOk{{.*}}) [[WITH]]
AddressSafetyOk(int * a)88 int AddressSafetyOk(int *a) { return *a; }
89
90 // WITHOUT: BlacklistedFunction{{.*}}) [[NOATTR]]
91 // BLFILE: BlacklistedFunction{{.*}}) [[NOATTR]]
92 // BLFUNC: BlacklistedFunction{{.*}}) [[NOATTR]]
93 // ASAN: BlacklistedFunction{{.*}}) [[WITH]]
BlacklistedFunction(int * a)94 int BlacklistedFunction(int *a) { return *a; }
95
96 #define GENERATE_FUNC(name) \
97 int name(int *a) { return *a; }
98 // WITHOUT: GeneratedFunction{{.*}}) [[NOATTR]]
99 // BLFILE: GeneratedFunction{{.*}}) [[NOATTR]]
100 // BLFUNC: GeneratedFunction{{.*}}) [[WITH]]
101 // ASAN: GeneratedFunction{{.*}}) [[WITH]]
GENERATE_FUNC(GeneratedFunction)102 GENERATE_FUNC(GeneratedFunction)
103
104 #define GENERATE_NAME(name) name##_generated
105 // WITHOUT: Function_generated{{.*}}) [[NOATTR]]
106 // BLFILE: Function_generated{{.*}}) [[NOATTR]]
107 // BLFUNC: Function_generated{{.*}}) [[WITH]]
108 // ASAN: Function_generated{{.*}}) [[WITH]]
109 int GENERATE_NAME(Function)(int *a) { return *a; }
110
111 // WITHOUT: TemplateAddressSafetyOk{{.*}}) [[NOATTR]]
112 // BLFILE: TemplateAddressSafetyOk{{.*}}) [[NOATTR]]
113 // BLFUNC: TemplateAddressSafetyOk{{.*}}) [[WITH]]
114 // ASAN: TemplateAddressSafetyOk{{.*}}) [[WITH]]
115 template<int i>
TemplateAddressSafetyOk()116 int TemplateAddressSafetyOk() { return i; }
117
118 // WITHOUT: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
119 // BLFILE: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
120 // BLFUNC: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
121 // ASAN: TemplateNoAddressSafety1{{.*}}) [[NOATTR]]
122 template<int i>
123 __attribute__((no_sanitize_address))
TemplateNoAddressSafety1()124 int TemplateNoAddressSafety1() { return i; }
125
126 // WITHOUT: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
127 // BLFILE: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
128 // BLFUNC: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
129 // ASAN: TemplateNoAddressSafety2{{.*}}) [[NOATTR]]
130 template<int i>
131 __attribute__((no_sanitize("address")))
TemplateNoAddressSafety2()132 int TemplateNoAddressSafety2() { return i; }
133
134 int force_instance = TemplateAddressSafetyOk<42>()
135 + TemplateNoAddressSafety1<42>()
136 + TemplateNoAddressSafety2<42>();
137
138 // Check that __cxx_global_var_init* get the sanitize_address attribute.
139 int global1 = 0;
140 int global2 = *(int*)((char*)&global1+1);
141 // WITHOUT: @__cxx_global_var_init{{.*}}[[NOATTR]]
142 // BLFILE: @__cxx_global_var_init{{.*}}[[NOATTR:#[0-9]+]]
143 // BLFUNC: @__cxx_global_var_init{{.*}}[[WITH]]
144 // ASAN: @__cxx_global_var_init{{.*}}[[WITH]]
145
146 // WITHOUT: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
147
148 // BLFILE: attributes [[WITH]] = { noinline nounwind sanitize_address{{.*}} }
149 // BLFILE: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
150
151 // BLFUNC: attributes [[WITH]] = { noinline nounwind sanitize_address{{.*}} }
152 // BLFUNC: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
153
154 // ASAN: attributes [[WITH]] = { noinline nounwind sanitize_address{{.*}} }
155 // ASAN: attributes [[NOATTR]] = { noinline nounwind{{.*}} }
156