ld/testsuite/ld-plugin/pr12365b.c

   1 #define ASMNAME(cname)  ASMNAME2 (__USER_LABEL_PREFIX__, cname)
   2 #define ASMNAME2(prefix, cname) STRING (prefix) cname
   3 #define STRING(x)    #x
   4
   5 typedef __SIZE_TYPE__ size_t;
   6 extern void abort (void);
   7 extern void *memcpy (void *, const void *, size_t)
   8   __asm (ASMNAME ("my_memcpy"));
   9 extern void bcopy (const void *, void *, size_t)
  10   __asm (ASMNAME ("my_bcopy"));
  11 extern void *memset (void *, int, size_t)
  12   __asm (ASMNAME ("my_memset"));
  13 extern void bzero (void *, size_t)
  14   __asm (ASMNAME ("my_bzero"));
  15 extern int memcmp (const void *, const void *, size_t);
  16
  17 struct A { char c[32]; } a = { "foobar" };
  18 char x[64] = "foobar", y[64];
  19 int i = 39, j = 6, k = 4;
  20
  21 extern int inside_main;
  22
  23 void
  24 main_test (void)
  25 {
  26   struct A b = a;
  27   struct A c = { { 'x' } };
  28
  29   inside_main = 1;
  30
  31   if (memcmp (b.c, x, 32) || c.c[0] != 'x' || memcmp (c.c + 1, x + 32, 31))
  32     abort ();
  33   if (__builtin_memcpy (y, x, i) != y || memcmp (x, y, 64))
  34     abort ();
  35   if (memcpy (y + 6, x, j) != y + 6
  36       || memcmp (x, y, 6) || memcmp (x, y + 6, 58))
  37     abort ();
  38   if (__builtin_memset (y + 2, 'X', k) != y + 2
  39       || memcmp (y, "foXXXXfoobar", 13))
  40     abort ();
  41   bcopy (y + 1, y + 2, 6);
  42   if (memcmp (y, "fooXXXXfobar", 13))
  43     abort ();
  44   __builtin_bzero (y + 4, 2);
  45   if (memcmp (y, "fooX\0\0Xfobar", 13))
  46     abort ();
  47 }