gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm-lib.c

   1 extern void abort (void);
   2 extern int inside_main;
   3 typedef __SIZE_TYPE__ size_t;
   4
   5 #define TEST_ABORT if (inside_main) abort()
   6
   7 void *
   8 my_memcpy (void *d, const void *s, size_t n)
   9 {
  10   char *dst = (char *) d;
  11   const char *src = (const char *) s;
  12   while (n--)
  13     *dst++ = *src++;
  14   return (char *) d;
  15 }
  16
  17 void
  18 my_bcopy (const void *s, void *d, size_t n)
  19 {
  20   char *dst = (char *) d;
  21   const char *src = (const char *) s;
  22   if (src >= dst)
  23     while (n--)
  24       *dst++ = *src++;
  25   else
  26     {
  27       dst += n;
  28       src += n;
  29       while (n--)
  30         *--dst = *--src;
  31     }
  32 }
  33
  34 void *
  35 my_memset (void *d, int c, size_t n)
  36 {
  37   char *dst = (char *) d;
  38   while (n--)
  39     *dst++ = c;
  40   return (char *) d;
  41 }
  42
  43 void
  44 my_bzero (void *d, size_t n)
  45 {
  46   char *dst = (char *) d;
  47   while (n--)
  48     *dst++ = '\0';
  49 }
  50
  51 void *
  52 memcpy (void *d, const void *s, size_t n)
  53 {
  54   void *result = my_memcpy (d, s, n);
  55   TEST_ABORT;
  56   return result;
  57 }
  58
  59 void
  60 bcopy (const void *s, void *d, size_t n)
  61 {
  62   my_bcopy (s, d, n);
  63   TEST_ABORT;
  64 }
  65
  66 void *
  67 memset (void *d, int c, size_t n)
  68 {
  69   void *result = my_memset (d, c, n);
  70   TEST_ABORT;
  71   return result;
  72 }
  73
  74 void
  75 bzero (void *d, size_t n)
  76 {
  77   my_bzero (d, n);
  78   TEST_ABORT;
  79 }
  80
  81 #ifdef __vxworks
  82 /* The RTP C library uses bfill, which is defined in the same file as
  83    bzero and bcopy.  */
  84 #include "lib/bfill.c"
  85 #endif