1 | /// atexit(3) not supported in dlopen(3)ed+dlclose(3)d DSO |
2 | // XFAIL: target={{.*netbsd.*}} |
3 | // XFAIL: target={{.*haiku.*}} |
4 | |
5 | // RUN: mkdir -p %t.d && cd %t.d |
6 | |
7 | // RUN: echo 'void func1(int k) {}' > func1.c |
8 | // RUN: echo 'void func2(int k) {}' > func2.c |
9 | // RUN: echo 'void func3(int k) {}' > func3.c |
10 | // RUN: %clang --coverage -fPIC -shared func1.c -o func1.so -dumpdir ./ |
11 | // RUN: %clang --coverage -fPIC -shared func2.c -o func2.so -dumpdir ./ |
12 | // RUN: %clang --coverage -fPIC -shared func3.c -o func3.so -dumpdir ./ |
13 | // RUN: %clang --coverage -fPIC -rpath %t.d %s -o %t -dumpdir ./ |
14 | |
15 | /// Test with two dlopened libraries. |
16 | // RUN: rm -f gcov-dlopen.gcda func1.gcda func2.gcda |
17 | // RUN: %run %t |
18 | // RUN: llvm-cov gcov -t gcov-dlopen.gcda | FileCheck %s |
19 | // RUN: llvm-cov gcov -t func1.gcda | FileCheck %s --check-prefix=FUNC1 |
20 | // RUN: llvm-cov gcov -t func2.gcda | FileCheck %s --check-prefix=FUNC2 |
21 | |
22 | // FUNC1: 1: 1:void func1(int k) {} |
23 | // FUNC2: 1: 1:void func2(int k) {} |
24 | |
25 | /// Test with three dlopened libraries. |
26 | // RUN: %clang -DUSE_LIB3 --coverage -fPIC -rpath %t.d %s -o %t -dumpdir ./ |
27 | // RUN: rm -f gcov-dlopen.gcda func1.gcda func2.gcda func3.gcda |
28 | // RUN: %run %t |
29 | // RUN: llvm-cov gcov -t gcov-dlopen.gcda | FileCheck %s --check-prefix=LIB3 |
30 | // RUN: llvm-cov gcov -t func1.gcda | FileCheck %s --check-prefix=FUNC1 |
31 | // RUN: llvm-cov gcov -t func2.gcda | FileCheck %s --check-prefix=FUNC2 |
32 | // RUN: llvm-cov gcov -t func3.gcda | FileCheck %s --check-prefix=FUNC3 |
33 | |
34 | // FUNC3: 1: 1:void func3(int k) {} |
35 | |
36 | #include <dlfcn.h> |
37 | #include <stdio.h> |
38 | #include <stdlib.h> |
39 | |
40 | int main(int argc, char *argv[]) { |
41 | void *f1_handle = dlopen(file: "func1.so" , RTLD_LAZY | RTLD_GLOBAL); |
42 | if (f1_handle == NULL) |
43 | return fprintf(stderr, format: "unable to open 'func1.so': %s\n" , dlerror()); |
44 | void (*func1)(void) = (void (*)(void))dlsym(handle: f1_handle, name: "func1" ); |
45 | if (func1 == NULL) |
46 | return fprintf(stderr, format: "unable to lookup symbol 'func1': %s\n" , dlerror()); |
47 | |
48 | void *f2_handle = dlopen(file: "func2.so" , RTLD_LAZY | RTLD_GLOBAL); |
49 | if (f2_handle == NULL) |
50 | return fprintf(stderr, format: "unable to open 'func2.so': %s\n" , dlerror()); |
51 | void (*func2)(void) = (void (*)(void))dlsym(handle: f2_handle, name: "func2" ); |
52 | if (func2 == NULL) |
53 | return fprintf(stderr, format: "unable to lookup symbol 'func2': %s\n" , dlerror()); |
54 | func2(); |
55 | |
56 | #ifdef USE_LIB3 |
57 | // CHECK: -: [[#@LINE+2]]: void *f3_handle |
58 | // LIB3: 1: [[#@LINE+1]]: void *f3_handle |
59 | void *f3_handle = dlopen("func3.so" , RTLD_LAZY | RTLD_GLOBAL); |
60 | if (f3_handle == NULL) |
61 | return fprintf(stderr, "unable to open 'func3.so': %s\n" , dlerror()); |
62 | void (*func3)(void) = (void (*)(void))dlsym(f3_handle, "func3" ); |
63 | if (func3 == NULL) |
64 | return fprintf(stderr, "unable to lookup symbol 'func3': %s\n" , dlerror()); |
65 | func3(); |
66 | #endif |
67 | |
68 | void (*gcov_reset1)() = (void (*)())dlsym(handle: f1_handle, name: "__gcov_reset" ); |
69 | if (gcov_reset1 == NULL) |
70 | return fprintf(stderr, format: "unable to find __gcov_reset in func1.so': %s\n" , dlerror()); |
71 | void (*gcov_reset2)() = (void (*)())dlsym(handle: f2_handle, name: "__gcov_reset" ); |
72 | if (gcov_reset2 == NULL) |
73 | return fprintf(stderr, format: "unable to find __gcov_reset in func2.so': %s\n" , dlerror()); |
74 | if (gcov_reset1 == gcov_reset2) |
75 | return fprintf(stderr, format: "same __gcov_reset found in func1.so and func2.so\n" ); |
76 | |
77 | /// Test that __gcov_dump is in the dynamic symbol table. |
78 | void (*gcov_dump1)() = (void (*)())dlsym(handle: f1_handle, name: "__gcov_dump" ); |
79 | if (gcov_dump1 == NULL) |
80 | return fprintf(stderr, format: "unable to find __gcov_dump in func1.so': %s\n" , dlerror()); |
81 | |
82 | if (dlclose(handle: f2_handle) != 0) |
83 | return fprintf(stderr, format: "unable to close 'func2.so': %s\n" , dlerror()); |
84 | |
85 | func1(); |
86 | |
87 | return 0; |
88 | } |
89 | |