ld/testsuite/ld-elf/pr23428.c

   1 #include <unistd.h>
   2 #include <link.h>
   3 #include <syscall.h>
   4
   5 #define STRING_COMMA_LEN(STR) (STR), (sizeof (STR) - 1)
   6
   7 int
   8 main (int argc, char **argv)
   9 {
  10   char **ev = &argv[argc + 1];
  11   char **evp = ev;
  12   ElfW(auxv_t) *av;
  13   const ElfW(Phdr) *phdr = NULL;
  14   size_t phnum = 0;
  15   size_t loadnum = 0;
  16   int fd = STDOUT_FILENO;
  17   size_t i;
  18
  19   while (*evp++ != NULL)
  20     ;
  21
  22   av = (ElfW(auxv_t) *) evp;
  23
  24   for (; av->a_type != AT_NULL; ++av)
  25     switch (av->a_type)
  26       {
  27       case AT_PHDR:
  28         phdr = (const void *) av->a_un.a_val;
  29         break;
  30       case AT_PHNUM:
  31         phnum = av->a_un.a_val;
  32         break;
  33       }
  34
  35   for (i = 0; i < phnum; i++, phdr++)
  36     if (phdr->p_type == PT_LOAD)
  37       loadnum++;
  38
  39   syscall (SYS_write, fd, STRING_COMMA_LEN ("PASS\n"));
  40
  41   syscall (SYS_exit, !loadnum);
  42   return 0;
  43 }