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61 lines
1.5 KiB
61 lines
1.5 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef DLOPEN_FUNC_DIR
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#include <dlfcn.h>
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#endif
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int __llvm_profile_runtime = 0;
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int __llvm_profile_write_file();
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void __llvm_profile_reset_counters(void);
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void __llvm_profile_initialize_file(void);
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struct __llvm_profile_data;
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struct ValueProfData;
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void lprofMergeValueProfData(struct ValueProfData *, struct __llvm_profile_data *);
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/* Force the vp merger module to be linked in. */
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void *Dummy = &lprofMergeValueProfData;
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void callee1() {}
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void callee2() {}
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typedef void (*FP)(void);
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FP Fps[2] = {callee1, callee2};
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int main(int argc, char *argv[]) {
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__llvm_profile_initialize_file();
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__llvm_profile_write_file();
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__llvm_profile_reset_counters();
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#ifdef DLOPEN_FUNC_DIR
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void *Handle = dlopen(DLOPEN_FUNC_DIR "/func.shared", RTLD_NOW);
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if (!Handle) {
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fprintf(stderr, "unable to open '" DLOPEN_FUNC_DIR "/func.shared': %s\n",
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dlerror());
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return EXIT_FAILURE;
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}
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// This tests that lprofMergeValueProfData is not accessed
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// from outside a module
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void (*SymHandle)(struct ValueProfData *, struct __llvm_profile_data *) =
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(void (*)(struct ValueProfData *, struct __llvm_profile_data *))dlsym(
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Handle, "lprofMergeValueProfData");
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if (SymHandle) {
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fprintf(stderr,
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"should not be able to lookup symbol 'lprofMergeValueProfData': %s\n",
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dlerror());
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return EXIT_FAILURE;
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}
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dlclose(Handle);
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#endif
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Fps[0]();
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Fps[1]();
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__llvm_profile_write_file();
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__llvm_profile_reset_counters();
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return EXIT_SUCCESS;
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}
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