selftests/powerpc: Move get_auxv_entry() to harness.c
[firefly-linux-kernel-4.4.55.git] / tools / testing / selftests / powerpc / pmu / lib.c
index 9768dea37bf3157f17d1329be5501d1d9f0a6204..a07104c2afe69229fb74577c6af48c76ff40cadb 100644 (file)
@@ -5,15 +5,10 @@
 
 #define _GNU_SOURCE    /* For CPU_ZERO etc. */
 
-#include <elf.h>
 #include <errno.h>
-#include <fcntl.h>
-#include <link.h>
 #include <sched.h>
 #include <setjmp.h>
 #include <stdlib.h>
-#include <sys/stat.h>
-#include <sys/types.h>
 #include <sys/wait.h>
 
 #include "utils.h"
@@ -256,45 +251,3 @@ out:
        return rc;
 }
 
-static char auxv[4096];
-
-void *get_auxv_entry(int type)
-{
-       ElfW(auxv_t) *p;
-       void *result;
-       ssize_t num;
-       int fd;
-
-       fd = open("/proc/self/auxv", O_RDONLY);
-       if (fd == -1) {
-               perror("open");
-               return NULL;
-       }
-
-       result = NULL;
-
-       num = read(fd, auxv, sizeof(auxv));
-       if (num < 0) {
-               perror("read");
-               goto out;
-       }
-
-       if (num > sizeof(auxv)) {
-               printf("Overflowed auxv buffer\n");
-               goto out;
-       }
-
-       p = (ElfW(auxv_t) *)auxv;
-
-       while (p->a_type != AT_NULL) {
-               if (p->a_type == type) {
-                       result = (void *)p->a_un.a_val;
-                       break;
-               }
-
-               p++;
-       }
-out:
-       close(fd);
-       return result;
-}