660 lines
14 KiB
C
660 lines
14 KiB
C
/* { dg-do run } */
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/* { dg-options "-O2" } */
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typedef __SIZE_TYPE__ size_t;
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#define abort __builtin_abort
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void *
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__attribute__ ((alloc_size (1)))
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__attribute__ ((__nothrow__ , __leaf__))
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__attribute__ ((noinline))
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alloc_func_long (long sz)
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{
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return __builtin_malloc (sz);
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}
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void *
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__attribute__ ((alloc_size (1)))
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__attribute__ ((__nothrow__ , __leaf__))
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__attribute__ ((noinline))
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alloc_func (size_t sz)
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{
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return __builtin_malloc (sz);
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}
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void *
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__attribute__ ((alloc_size (1, 2)))
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__attribute__ ((__nothrow__ , __leaf__))
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__attribute__ ((noinline))
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calloc_func (size_t cnt, size_t sz)
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{
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return __builtin_calloc (cnt, sz);
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}
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void *
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__attribute__ ((noinline))
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unknown_allocator (size_t cnt, size_t sz)
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{
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return __builtin_calloc (cnt, sz);
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}
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size_t
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__attribute__ ((noinline))
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test_unknown (size_t cnt, size_t sz)
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{
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void *ch = unknown_allocator (cnt, sz);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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/* Malloc-like allocator. */
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size_t
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__attribute__ ((noinline))
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test_malloc (size_t sz)
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{
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void *ch = alloc_func (sz);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_malloc (size_t sz)
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{
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void *ch = __builtin_malloc (sz);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_malloc_cond (int cond)
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{
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void *ch = __builtin_malloc (cond ? 32 : 64);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_malloc_condphi (int cond)
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{
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void *ch;
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if (cond)
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ch = __builtin_malloc (32);
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else
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ch = __builtin_malloc (64);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_malloc_condphi2 (int cond, size_t in)
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{
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void *ch;
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if (cond)
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ch = __builtin_malloc (in);
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else
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ch = __builtin_malloc (64);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_malloc_condphi3 (int cond, size_t in, size_t in2)
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{
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void *ch;
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if (cond)
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ch = __builtin_malloc (in);
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else
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ch = __builtin_malloc (in2);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_malloc_condphi4 (size_t sz, int cond)
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{
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char *a = __builtin_malloc (sz);
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char b[sz / 2];
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size_t ret = __builtin_dynamic_object_size (cond ? b : (void *) &a, 0);
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__builtin_free (a);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_malloc_condphi5 (size_t sz, int cond, char *c)
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{
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char *a = __builtin_malloc (sz);
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size_t ret = __builtin_dynamic_object_size (cond ? c : (void *) &a, 0);
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__builtin_free (a);
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return ret;
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}
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long
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__attribute__ ((noinline))
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test_builtin_malloc_long (long sz, long off)
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{
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char *a = alloc_func_long (sz);
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char *dest = a + off;
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long ret = __builtin_dynamic_object_size (dest, 0);
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return ret;
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}
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/* Calloc-like allocator. */
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size_t
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__attribute__ ((noinline))
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test_calloc (size_t cnt, size_t sz)
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{
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void *ch = calloc_func (cnt, sz);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_calloc (size_t cnt, size_t sz)
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{
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void *ch = __builtin_calloc (cnt, sz);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_calloc_cond (int cond1, int cond2)
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{
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void *ch = __builtin_calloc (cond1 ? 32 : 64, cond2 ? 1024 : 16);
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size_t ret = __builtin_dynamic_object_size (ch, 0);
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__builtin_free (ch);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_builtin_calloc_condphi (size_t cnt, size_t sz, int cond)
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{
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struct
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{
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int a;
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char b;
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} bin[cnt];
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char *ch = __builtin_calloc (cnt, sz);
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size_t ret = __builtin_dynamic_object_size (cond ? ch : (void *) &bin, 0);
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__builtin_free (ch);
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return ret;
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}
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/* Passthrough functions. */
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size_t
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__attribute__ ((noinline))
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test_passthrough (size_t sz, char *in)
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{
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char *bin = __builtin_malloc (sz);
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char *dest = __builtin_memcpy (bin, in, sz);
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size_t ret = __builtin_dynamic_object_size (dest, 0);
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__builtin_free (bin);
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return ret;
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}
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size_t
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__attribute__ ((noinline))
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test_passthrough_nonssa (char *in)
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{
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char bin[__builtin_strlen (in) + 1];
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char *dest = __builtin_memcpy (bin, in, __builtin_strlen (in) + 1);
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return __builtin_dynamic_object_size (dest, 0);
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}
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/* Variable length arrays. */
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size_t
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__attribute__ ((noinline))
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test_dynarray (size_t sz)
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{
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char bin[sz];
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return __builtin_dynamic_object_size (bin, 0);
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}
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size_t
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__attribute__ ((noinline))
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test_dynarray_cond (int cond)
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{
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char bin[cond ? 8 : 16];
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return __builtin_dynamic_object_size (bin, 0);
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}
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size_t
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__attribute__ ((noinline))
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test_deploop (size_t sz, size_t cond)
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{
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char *bin = __builtin_alloca (32);
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for (size_t i = 0; i < sz; i++)
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if (i == cond)
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bin = __builtin_alloca (sz);
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return __builtin_dynamic_object_size (bin, 0);
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}
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/* Address expressions. */
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struct dynarray_struct
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{
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long a;
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char c[16];
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int b;
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};
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size_t
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__attribute__ ((noinline))
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test_dynarray_struct (size_t sz, size_t off)
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{
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struct dynarray_struct bin[sz];
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return __builtin_dynamic_object_size (&bin[off].c, 0);
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}
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size_t
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__attribute__ ((noinline))
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test_dynarray_struct_subobj (size_t sz, size_t off)
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{
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struct dynarray_struct bin[sz];
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return __builtin_dynamic_object_size (&bin[off].c[4], 1);
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}
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size_t
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__attribute__ ((noinline))
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test_dynarray_struct_subobj2 (size_t sz, size_t off, size_t *objsz)
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{
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struct dynarray_struct2
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{
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long a;
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int b;
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char c[sz];
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};
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struct dynarray_struct2 bin;
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*objsz = sizeof (bin);
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return __builtin_dynamic_object_size (&bin.c[off], 1);
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}
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size_t
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__attribute__ ((noinline))
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test_substring (size_t sz, size_t off)
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{
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char str[sz];
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return __builtin_dynamic_object_size (&str[off], 0);
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}
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struct S2
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{
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char arr[7];
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};
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struct S1
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{
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int pad;
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struct S2 s2;
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};
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static long
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g (struct S1 *s1)
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{
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struct S2 *s2 = &s1->s2;
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return __builtin_dynamic_object_size (s2->arr, 0);
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}
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long
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__attribute__ ((noinline))
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test_alloc_nested_structs (int x)
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{
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struct S1 *s1 = __builtin_malloc (x);
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return g (s1);
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}
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/* POINTER_PLUS expressions. */
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size_t
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__attribute__ ((noinline))
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test_substring_ptrplus (size_t sz, size_t off)
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{
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int str[sz];
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return __builtin_dynamic_object_size (str + off, 0);
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}
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size_t
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__attribute__ ((noinline))
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test_substring_ptrplus2 (size_t sz, size_t off, size_t off2)
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{
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int str[sz];
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int *ptr = &str[off];
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return __builtin_dynamic_object_size (ptr + off2, 0);
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}
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/* Function parameters. */
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size_t
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__attribute__ ((access (__read_write__, 1, 2)))
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__attribute__ ((noinline))
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test_parmsz_simple (void *obj, size_t sz)
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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size_t
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__attribute__ ((access (__read_write__, 2, 1)))
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__attribute__ ((noinline))
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test_parmsz_simple2 (size_t sz, char obj[])
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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/* Implicitly constructed access attributes not supported yet. */
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size_t
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__attribute__ ((noinline))
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test_parmsz_simple3 (size_t sz, char obj[sz])
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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size_t
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__attribute__ ((noinline))
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__attribute__ ((access (__read_write__, 1, 2)))
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test_parmsz (void *obj, size_t sz, size_t off)
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{
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return __builtin_dynamic_object_size (obj + off, 0);
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}
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size_t
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__attribute__ ((access (__read_write__, 1, 2)))
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__attribute__ ((noinline))
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test_parmsz_scaled (int *obj, size_t sz)
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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size_t
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__attribute__ ((noinline))
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__attribute__ ((access (__read_write__, 1, 2)))
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test_parmsz_scaled_off (int *obj, size_t sz, size_t off)
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{
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return __builtin_dynamic_object_size (obj + off, 0);
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}
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size_t
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__attribute__ ((access (__read_write__, 1, 3)))
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__attribute__ ((noinline))
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test_parmsz_unknown (void *obj, void *unknown, size_t sz, int cond)
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{
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return __builtin_dynamic_object_size (cond ? obj : unknown, 0);
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}
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struct S;
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size_t
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__attribute__ ((access (__read_write__, 1, 2)))
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__attribute__ ((noinline))
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test_parmsz_extern (struct S *obj, size_t sz)
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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/* Implicitly constructed access attributes not supported yet. */
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size_t
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__attribute__ ((noinline))
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test_parmsz_internal (size_t sz, double obj[][sz])
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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size_t
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__attribute__ ((access (__read_write__, 2, 1)))
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__attribute__ ((noinline))
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test_parmsz_internal2 (size_t sz, double obj[][sz])
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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size_t
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__attribute__ ((noinline))
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test_parmsz_internal3 (size_t sz1, size_t sz2, double obj[sz1][sz2])
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{
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return __builtin_dynamic_object_size (obj, 0);
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}
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/* Loops. */
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size_t
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__attribute__ ((noinline))
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__attribute__ ((access (__read_write__, 1, 2)))
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test_loop (int *obj, size_t sz, size_t start, size_t end, int incr)
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{
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int *ptr = obj + start;
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for (int i = start; i != end; i = i + incr)
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{
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ptr = ptr + incr;
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if (__builtin_dynamic_object_size (ptr, 0) == 0)
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return 0;
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}
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return __builtin_dynamic_object_size (ptr, 0);
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}
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/* Other tests. */
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struct TV4
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{
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__attribute__((vector_size (sizeof (int) * 4))) int v;
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};
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struct TV4 val3;
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int *
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test_pr105736 (struct TV4 *a)
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{
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return &a->v[0];
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}
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unsigned nfails = 0;
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#define FAIL() ({ \
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__builtin_printf ("Failure at line: %d\n", __LINE__); \
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nfails++; \
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})
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int
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main (int argc, char **argv)
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{
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size_t outsz = test_unknown (32, 42);
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if (outsz != -1 && outsz != 32)
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FAIL ();
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if (test_malloc (2048) != 2048)
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FAIL ();
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if (test_builtin_malloc (2048) != 2048)
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FAIL ();
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if (test_builtin_malloc_cond (1) != 32)
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FAIL ();
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if (test_builtin_malloc_cond (0) != 64)
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FAIL ();
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if (test_builtin_malloc_condphi (1) != 32)
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FAIL ();
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if (test_builtin_malloc_condphi (0) != 64)
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FAIL ();
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if (test_builtin_malloc_condphi2 (1, 128) != 128)
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FAIL ();
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if (test_builtin_malloc_condphi2 (0, 128) != 64)
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FAIL ();
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if (test_builtin_malloc_condphi3 (1, 128, 256) != 128)
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FAIL ();
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if (test_builtin_malloc_condphi3 (0, 128, 256) != 256)
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FAIL ();
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if (test_builtin_malloc_condphi4 (128, 1) != 64)
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FAIL ();
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if (test_builtin_malloc_condphi4 (128, 0) != sizeof (void *))
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FAIL ();
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if (test_builtin_malloc_condphi5 (128, 0, argv[0]) != -1)
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FAIL ();
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long x = 42;
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if (test_builtin_malloc_long (x, 0) != x)
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FAIL ();
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if (test_calloc (2048, 4) != 2048 * 4)
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FAIL ();
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if (test_builtin_calloc (2048, 8) != 2048 * 8)
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FAIL ();
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if (test_builtin_calloc_cond (0, 0) != 64 * 16)
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FAIL ();
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if (test_builtin_calloc_cond (1, 1) != 32 * 1024)
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FAIL ();
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if (test_builtin_calloc_condphi (128, 1, 0)
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!= 128 * sizeof (struct { int a; char b; }))
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FAIL ();
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if (test_builtin_calloc_condphi (128, 1, 1) != 128)
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FAIL ();
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if (test_passthrough (__builtin_strlen (argv[0]) + 1, argv[0])
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!= __builtin_strlen (argv[0]) + 1)
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FAIL ();
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if (test_passthrough_nonssa (argv[0]) != __builtin_strlen (argv[0]) + 1)
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FAIL ();
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if (test_dynarray (__builtin_strlen (argv[0])) != __builtin_strlen (argv[0]))
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FAIL ();
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if (test_dynarray_struct (42, 4) !=
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((42 - 4) * sizeof (struct dynarray_struct)
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- __builtin_offsetof (struct dynarray_struct, c)))
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FAIL ();
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if (test_dynarray_struct (42, 48) != 0)
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FAIL ();
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if (test_substring (128, 4) != 128 - 4)
|
|
FAIL ();
|
|
if (test_substring (128, 142) != 0)
|
|
FAIL ();
|
|
if (test_dynarray_struct_subobj (42, 4) != 16 - 4)
|
|
FAIL ();
|
|
if (test_dynarray_struct_subobj (42, 48) != 0)
|
|
FAIL ();
|
|
size_t objsz = 0;
|
|
if (test_dynarray_struct_subobj2 (42, 4, &objsz)
|
|
!= objsz - 4 - sizeof (long) - sizeof (int))
|
|
FAIL ();
|
|
if (test_substring_ptrplus (128, 4) != (128 - 4) * sizeof (int))
|
|
FAIL ();
|
|
if (test_substring_ptrplus (128, 142) != 0)
|
|
FAIL ();
|
|
if (test_substring_ptrplus2 (128, 4, 4) != (128 - 8) * sizeof (int))
|
|
FAIL ();
|
|
if (test_substring_ptrplus2 (128, 4, -3) != (128 - 1) * sizeof (int))
|
|
FAIL ();
|
|
if (test_dynarray_cond (0) != 16)
|
|
FAIL ();
|
|
if (test_dynarray_cond (1) != 8)
|
|
FAIL ();
|
|
if (test_alloc_nested_structs (42) != 42 - sizeof (int))
|
|
FAIL ();
|
|
if (test_deploop (128, 4) != 128)
|
|
FAIL ();
|
|
if (test_deploop (128, 129) != 32)
|
|
FAIL ();
|
|
if (test_parmsz_simple (argv[0], __builtin_strlen (argv[0]) + 1)
|
|
!= __builtin_strlen (argv[0]) + 1)
|
|
FAIL ();
|
|
if (test_parmsz_simple2 (__builtin_strlen (argv[0]) + 1, argv[0])
|
|
!= __builtin_strlen (argv[0]) + 1)
|
|
FAIL ();
|
|
/* Only explicitly added access attributes are supported for now. */
|
|
if (test_parmsz_simple3 (__builtin_strlen (argv[0]) + 1, argv[0]) != -1)
|
|
FAIL ();
|
|
int arr[42];
|
|
if (test_parmsz_scaled (arr, 42) != sizeof (arr))
|
|
FAIL ();
|
|
if (test_parmsz_scaled (arr, 40) != 40 * sizeof (int))
|
|
FAIL ();
|
|
/* __bdos cannot see the actual size of ARR, so it will return what it was
|
|
passed. Fortunately though the overflow warnings see this caller side and
|
|
warns of the problematic size. */
|
|
if (test_parmsz_scaled (arr, 44) != 44 * sizeof (int)) /* { dg-warning "-Wstringop-overflow=" } */
|
|
FAIL ();
|
|
if (test_parmsz_unknown (argv[0], argv[0], __builtin_strlen (argv[0]) + 1, 0)
|
|
!= -1)
|
|
if (test_parmsz (argv[0], __builtin_strlen (argv[0]) + 1, -1) != 0)
|
|
FAIL ();
|
|
if (test_parmsz (argv[0], __builtin_strlen (argv[0]) + 1, 0)
|
|
!= __builtin_strlen (argv[0]) + 1)
|
|
FAIL ();
|
|
if (test_parmsz (argv[0], __builtin_strlen (argv[0]) + 1,
|
|
__builtin_strlen (argv[0])) != 1)
|
|
FAIL ();
|
|
if (test_parmsz (argv[0], __builtin_strlen (argv[0]) + 1,
|
|
__builtin_strlen (argv[0]) + 2) != 0)
|
|
FAIL ();
|
|
if (test_parmsz_scaled_off (arr, 42, 2) != 40 * sizeof (int))
|
|
FAIL ();
|
|
struct S *s;
|
|
if (test_parmsz_extern (s, 42) != -1)
|
|
FAIL ();
|
|
double obj[4][4];
|
|
if (test_parmsz_internal (4, obj) != -1)
|
|
FAIL ();
|
|
if (test_parmsz_internal2 (4, obj) != -1)
|
|
FAIL ();
|
|
if (test_parmsz_internal3 (4, 4, obj) != -1)
|
|
FAIL ();
|
|
if (test_loop (arr, 42, 0, 32, 1) != 10 * sizeof (int))
|
|
FAIL ();
|
|
if (test_loop (arr, 42, 32, -1, -1) != 0)
|
|
FAIL ();
|
|
if (test_loop (arr, 42, 32, 10, -1) != 32 * sizeof (int))
|
|
FAIL ();
|
|
if (test_loop (arr, 42, 42, 0, -1) != 42 * sizeof (int))
|
|
FAIL ();
|
|
if (test_loop (arr, 42, 44, 0, -1) != 0)
|
|
FAIL ();
|
|
if (test_loop (arr, 42, 20, 52, 1) != 0)
|
|
FAIL ();
|
|
/* pr105736. */
|
|
int *t = test_pr105736 (&val3);
|
|
if (__builtin_dynamic_object_size (t, 0) != -1)
|
|
FAIL ();
|
|
|
|
if (nfails > 0)
|
|
__builtin_abort ();
|
|
|
|
return 0;
|
|
}
|