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1RUN: rm -rf %t && split-file %s %t && cd %t2RUN: %clang foo.c -c --coverage3RUN: %clang foo2.c -c --coverage4RUN: %clang -shared foo.o -o shr.o --coverage5RUN: ar -X32_64 r libfoo.a shr.o6RUN: %clang -shared foo2.o -o shr.o --coverage7RUN: ar -X32_64 r libfoo2.a shr.o8 9RUN: %clang common.c -c --coverage10 11RUN: %clang test1.c common.o --coverage12RUN: ./a.out13 14//--- foo.c15void foo() {}16 17//--- foo2.c18void foo2() {}19 20//--- common.c21#include <dlfcn.h>22#include <stdio.h>23#include <stdlib.h>24typedef void (*FN_PTR)();25int open_close_libs() {26 void *handle, *handle2;27 FN_PTR foo, foo2;28 29#define OPEN_AND_RUN(HANDLE, SUF) \30 HANDLE = dlopen("./lib" #SUF ".a(shr.o)",RTLD_NOW|RTLD_MEMBER); \31 SUF = (void (*)())dlsym(HANDLE, #SUF); \32 if (SUF == NULL) { \33 fprintf(stderr, "unable to lookup symbol '%s': %s\n", #SUF, dlerror()); \34 return EXIT_FAILURE; \35 } \36 SUF();37 38#define CLOSE_AND_CHECK(HANDLE, SUF) \39 dlclose(HANDLE); \40 system("ls " #SUF ".gc*");41 42 OPEN_AND_RUN(handle, foo)43 CLOSE_AND_CHECK(handle, foo)44 45 OPEN_AND_RUN(handle2, foo2)46 OPEN_AND_RUN(handle, foo)47 CLOSE_AND_CHECK(handle2, foo2)48 CLOSE_AND_CHECK(handle, foo)49 return EXIT_SUCCESS;50}51//--- test1.c52int open_close_libs();53int main() {54 open_close_libs();55}56