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#include <errno.h>
#include <link.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/personality.h>
#define UNUSED_PARAMETER(x) (void)(x)
int phdr_callback(struct dl_phdr_info *info, size_t size, void *data) {
UNUSED_PARAMETER(size);
ElfW(Addr) *base = data;
if (info->dlpi_name[0] == 0) { *base = info->dlpi_addr; }
return 0;
}
int main(int argc, char **argv, char **envp) {
UNUSED_PARAMETER(argc);
ElfW(Addr) base = 0;
int persona = personality(ADDR_NO_RANDOMIZE);
if (persona == -1) {
printf("Failed to set ADDR_NO_RANDOMIZE: %d", errno);
return 1;
}
if ((persona & ADDR_NO_RANDOMIZE) == 0) { execvpe(argv[0], argv, envp); }
dl_iterate_phdr(phdr_callback, &base);
printf("%p\n", (void *)base);
if (base == 0) { return 1; }
return 0;
}
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