/*
* Copyright ( C ) 2017 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#include <dlfcn.h>
#include <errno.h>
#include <stdio.h>
#if __has_include(<sys/auxv.h>)
#include <sys/auxv.h>
#endif
#include <unistd.h>
extern "C" void foo();
void lib1_call_funcs();
__attribute__((weak)) void lib3_call_funcs();
int main() {
bool skip_vdso_check = false ;
#if __has_include(<sys/auxv.h>)
if (getauxval(AT_SYSINFO_EHDR) == 0 ) {
skip_vdso_check = true ;
}
#endif
if (!skip_vdso_check) {
const char * vdso_name = "linux-vdso.so.1" ;
#if defined (__i386__)
vdso_name = "linux-gate.so.1" ;
#endif
void * handle = dlopen(vdso_name, RTLD_NOW);
if (handle == nullptr) {
printf("%s" , dlerror());
return 1 ;
}
dlclose(handle);
}
foo();
lib1_call_funcs();
if (lib3_call_funcs) lib3_call_funcs();
return 0 ;
}
Messung V0.5 in Prozent C=82 H=97 G=89
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-28)
¤
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