47 lines
984 B
C
47 lines
984 B
C
/* RUN: %clang_msan -g %s -o %t
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RUN: %clang_msan -g %s -DBUILD_SO -fPIC -o %t-so.so -shared
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RUN: %run %t 2>&1 | FileCheck %s
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REQUIRES: glibc{{.*}}
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*/
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#define _GNU_SOURCE
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#ifndef BUILD_SO
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#include <assert.h>
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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typedef volatile long *(* get_t)();
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get_t GetTls;
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int main(int argc, char *argv[]) {
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char path[4096];
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snprintf(path, sizeof(path), "%s-so.so", argv[0]);
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int i;
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void *handle = dlopen(path, RTLD_LAZY);
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if (!handle) fprintf(stderr, "%s\n", dlerror());
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assert(handle != 0);
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GetTls = (get_t)dlsym(handle, "GetTls");
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assert(dlerror() == 0);
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Dl_info info;
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int ret = dladdr(GetTls, &info);
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assert (ret != 0);
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printf ("fname: %s\n", info.dli_fname);
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printf ("fbase: %p\n", info.dli_fbase);
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printf ("sname: %s\n", info.dli_sname);
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printf ("saddr: %p\n", info.dli_saddr);
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// CHECK: sname: GetTls
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return 0;
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}
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#else // BUILD_SO
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long var;
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long *GetTls() {
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return &var;
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}
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#endif
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