| /// atexit(3) not supported in dlopen(3)ed+dlclose(3)d DSO |
| // XFAIL: netbsd |
| |
| // RUN: mkdir -p %t.d && cd %t.d |
| |
| // RUN: echo 'void func1(int k) {}' > func1.c |
| // RUN: echo 'void func2(int k) {}' > func2.c |
| // RUN: echo 'void func3(int k) {}' > func3.c |
| // RUN: %clang --coverage -fPIC -shared func1.c -o func1.so |
| // RUN: %clang --coverage -fPIC -shared func2.c -o func2.so |
| // RUN: %clang --coverage -fPIC -shared func3.c -o func3.so |
| // RUN: %clang --coverage -fPIC -rpath %t.d %s -o %t |
| |
| /// Test with two dlopened libraries. |
| // RUN: rm -f gcov-dlopen.gcda func1.gcda func2.gcda |
| // RUN: %run %t |
| // RUN: llvm-cov gcov -t gcov-dlopen.gcda | FileCheck %s |
| // RUN: llvm-cov gcov -t func1.gcda | FileCheck %s --check-prefix=FUNC1 |
| // RUN: llvm-cov gcov -t func2.gcda | FileCheck %s --check-prefix=FUNC2 |
| |
| // FUNC1: 1: 1:void func1(int k) {} |
| // FUNC2: 1: 1:void func2(int k) {} |
| |
| /// Test with three dlopened libraries. |
| // RUN: %clang -DUSE_LIB3 --coverage -fPIC -rpath %t.d %s -o %t |
| // RUN: rm -f gcov-dlopen.gcda func1.gcda func2.gcda func3.gcda |
| // RUN: %run %t |
| // RUN: llvm-cov gcov -t gcov-dlopen.gcda | FileCheck %s --check-prefix=LIB3 |
| // RUN: llvm-cov gcov -t func1.gcda | FileCheck %s --check-prefix=FUNC1 |
| // RUN: llvm-cov gcov -t func2.gcda | FileCheck %s --check-prefix=FUNC2 |
| // RUN: llvm-cov gcov -t func3.gcda | FileCheck %s --check-prefix=FUNC3 |
| |
| // FUNC3: 1: 1:void func3(int k) {} |
| |
| #include <dlfcn.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int main(int argc, char *argv[]) { |
| void *f1_handle = dlopen("func1.so", RTLD_LAZY | RTLD_GLOBAL); |
| if (f1_handle == NULL) |
| return fprintf(stderr, "unable to open 'func1.so': %s\n", dlerror()); |
| void (*func1)(void) = (void (*)(void))dlsym(f1_handle, "func1"); |
| if (func1 == NULL) |
| return fprintf(stderr, "unable to lookup symbol 'func1': %s\n", dlerror()); |
| |
| void *f2_handle = dlopen("func2.so", RTLD_LAZY | RTLD_GLOBAL); |
| if (f2_handle == NULL) |
| return fprintf(stderr, "unable to open 'func2.so': %s\n", dlerror()); |
| void (*func2)(void) = (void (*)(void))dlsym(f2_handle, "func2"); |
| if (func2 == NULL) |
| return fprintf(stderr, "unable to lookup symbol 'func2': %s\n", dlerror()); |
| func2(); |
| |
| #ifdef USE_LIB3 |
| // CHECK: -: [[#@LINE+2]]: void *f3_handle |
| // LIB3: 1: [[#@LINE+1]]: void *f3_handle |
| void *f3_handle = dlopen("func3.so", RTLD_LAZY | RTLD_GLOBAL); |
| if (f3_handle == NULL) |
| return fprintf(stderr, "unable to open 'func3.so': %s\n", dlerror()); |
| void (*func3)(void) = (void (*)(void))dlsym(f3_handle, "func3"); |
| if (func3 == NULL) |
| return fprintf(stderr, "unable to lookup symbol 'func3': %s\n", dlerror()); |
| func3(); |
| #endif |
| |
| void (*gcov_reset1)() = (void (*)())dlsym(f1_handle, "__gcov_reset"); |
| if (gcov_reset1 == NULL) |
| return fprintf(stderr, "unable to find __gcov_reset in func1.so': %s\n", dlerror()); |
| void (*gcov_reset2)() = (void (*)())dlsym(f2_handle, "__gcov_reset"); |
| if (gcov_reset2 == NULL) |
| return fprintf(stderr, "unable to find __gcov_reset in func2.so': %s\n", dlerror()); |
| if (gcov_reset1 == gcov_reset2) |
| return fprintf(stderr, "same __gcov_reset found in func1.so and func2.so\n"); |
| |
| /// Test that __gcov_dump is in the dynamic symbol table. |
| void (*gcov_dump1)() = (void (*)())dlsym(f1_handle, "__gcov_dump"); |
| if (gcov_dump1 == NULL) |
| return fprintf(stderr, "unable to find __gcov_dump in func1.so': %s\n", dlerror()); |
| |
| if (dlclose(f2_handle) != 0) |
| return fprintf(stderr, "unable to close 'func2.so': %s\n", dlerror()); |
| |
| func1(); |
| |
| return 0; |
| } |