[thirdparty/binutils-gdb.git] / gold / testsuite / overflow_unittest.cc

// overflow_unittest.cc -- test functions that check for overflow.

// Copyright (C) 2016-2021 Free Software Foundation, Inc.
// Written by Cary Coutant <ccoutant@google.com>.

// This file is part of gold.

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
// MA 02110-1301, USA.

#include "gold.h"
#include "reloc.h"

#include <sys/types.h>

#include "test.h"

namespace gold_testsuite
{

using namespace gold;

bool
Overflow_test(Test_report*)
{
  CHECK(! Bits<16>::has_unsigned_overflow(0ULL));
  CHECK(! Bits<16>::has_unsigned_overflow(1ULL));
  CHECK(! Bits<16>::has_unsigned_overflow(0x7fffULL));
  CHECK(! Bits<16>::has_unsigned_overflow(0x8000ULL));
  CHECK(! Bits<16>::has_unsigned_overflow(0x8001ULL));
  CHECK(! Bits<16>::has_unsigned_overflow(0xffffULL));
  CHECK(Bits<16>::has_unsigned_overflow(0x10000ULL));
  CHECK(Bits<16>::has_unsigned_overflow(0x10001ULL));
  CHECK(Bits<16>::has_unsigned_overflow(~0ULL));
  CHECK(Bits<16>::has_unsigned_overflow(~0x7fffULL + 1));
  CHECK(Bits<16>::has_unsigned_overflow(~0x8000ULL + 1));
  CHECK(Bits<16>::has_unsigned_overflow(~0x8001ULL + 1));
  CHECK(Bits<16>::has_unsigned_overflow(~0xffffULL + 1));
  CHECK(Bits<16>::has_unsigned_overflow(~0x10000ULL + 1));
  CHECK(Bits<16>::has_unsigned_overflow(~0x10001ULL + 1));

  CHECK(! Bits<16>::has_overflow(0ULL));
  CHECK(! Bits<16>::has_overflow(1ULL));
  CHECK(! Bits<16>::has_overflow(0x7fffULL));
  CHECK(Bits<16>::has_overflow(0x8000ULL));
  CHECK(Bits<16>::has_overflow(0x8001ULL));
  CHECK(Bits<16>::has_overflow(0xffffULL));
  CHECK(Bits<16>::has_overflow(0x10000ULL));
  CHECK(Bits<16>::has_overflow(0x10001ULL));
  CHECK(! Bits<16>::has_overflow(~0ULL));
  CHECK(! Bits<16>::has_overflow(~0x7fffULL + 1));
  CHECK(! Bits<16>::has_overflow(~0x8000ULL + 1));
  CHECK(Bits<16>::has_overflow(~0x8001ULL + 1));
  CHECK(Bits<16>::has_overflow(~0xffffULL + 1));
  CHECK(Bits<16>::has_overflow(~0x10000ULL + 1));
  CHECK(Bits<16>::has_overflow(~0x10001ULL + 1));

  CHECK(! Bits<16>::has_signed_unsigned_overflow64(0ULL));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(1ULL));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x7fffULL));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x8000ULL));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x8001ULL));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(0xffffULL));
  CHECK(Bits<16>::has_signed_unsigned_overflow64(0x10000ULL));
  CHECK(Bits<16>::has_signed_unsigned_overflow64(0x10001ULL));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0ULL));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0x7fffULL + 1));
  CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0x8000ULL + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x8001ULL + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow64(~0xffffULL + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x10000ULL + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x10001ULL + 1));

  CHECK(! Bits<16>::has_unsigned_overflow32(0U));
  CHECK(! Bits<16>::has_unsigned_overflow32(1U));
  CHECK(! Bits<16>::has_unsigned_overflow32(0x7fffU));
  CHECK(! Bits<16>::has_unsigned_overflow32(0x8000U));
  CHECK(! Bits<16>::has_unsigned_overflow32(0x8001U));
  CHECK(! Bits<16>::has_unsigned_overflow32(0xffffU));
  CHECK(Bits<16>::has_unsigned_overflow32(0x10000U));
  CHECK(Bits<16>::has_unsigned_overflow32(0x10001U));
  CHECK(Bits<16>::has_unsigned_overflow32(~0U));
  CHECK(Bits<16>::has_unsigned_overflow32(~0x7fffU + 1));
  CHECK(Bits<16>::has_unsigned_overflow32(~0x8000U + 1));
  CHECK(Bits<16>::has_unsigned_overflow32(~0x8001U + 1));
  CHECK(Bits<16>::has_unsigned_overflow32(~0xffffU + 1));
  CHECK(Bits<16>::has_unsigned_overflow32(~0x10000U + 1));
  CHECK(Bits<16>::has_unsigned_overflow32(~0x10001U + 1));

  CHECK(! Bits<16>::has_overflow32(0U));
  CHECK(! Bits<16>::has_overflow32(1U));
  CHECK(! Bits<16>::has_overflow32(0x7fffU));
  CHECK(Bits<16>::has_overflow32(0x8000U));
  CHECK(Bits<16>::has_overflow32(0x8001U));
  CHECK(Bits<16>::has_overflow32(0xffffU));
  CHECK(Bits<16>::has_overflow32(0x10000U));
  CHECK(Bits<16>::has_overflow32(0x10001U));
  CHECK(! Bits<16>::has_overflow32(~0U));
  CHECK(! Bits<16>::has_overflow32(~0x7fffU + 1));
  CHECK(! Bits<16>::has_overflow32(~0x8000U + 1));
  CHECK(Bits<16>::has_overflow32(~0x8001U + 1));
  CHECK(Bits<16>::has_overflow32(~0xffffU + 1));
  CHECK(Bits<16>::has_overflow32(~0x10000U + 1));
  CHECK(Bits<16>::has_overflow32(~0x10001U + 1));

  CHECK(! Bits<16>::has_signed_unsigned_overflow32(0U));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(1U));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x7fffU));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x8000U));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x8001U));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(0xffffU));
  CHECK(Bits<16>::has_signed_unsigned_overflow32(0x10000U));
  CHECK(Bits<16>::has_signed_unsigned_overflow32(0x10001U));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0U));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0x7fffU + 1));
  CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0x8000U + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x8001U + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow32(~0xffffU + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x10000U + 1));
  CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x10001U + 1));

  return true;
}

Register_test overflow_register("Overflow", Overflow_test);

} // End namespace gold_testsuite.
Commit	Line	Data
44803b5d CC	1	// overflow_unittest.cc -- test functions that check for overflow.
44803b5d CC	2
250d07de	3	// Copyright (C) 2016-2021 Free Software Foundation, Inc.
44803b5d CC	4	// Written by Cary Coutant <ccoutant@google.com>.
	5
	6	// This file is part of gold.
	7
	8	// This program is free software; you can redistribute it and/or modify
	9	// it under the terms of the GNU General Public License as published by
	10	// the Free Software Foundation; either version 3 of the License, or
	11	// (at your option) any later version.
	12
	13	// This program is distributed in the hope that it will be useful,
	14	// but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	// GNU General Public License for more details.
	17
	18	// You should have received a copy of the GNU General Public License
	19	// along with this program; if not, write to the Free Software
	20	// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
	21	// MA 02110-1301, USA.
	22
	23	#include "gold.h"
	24	#include "reloc.h"
	25
	26	#include <sys/types.h>
	27
	28	#include "test.h"
	29
	30	namespace gold_testsuite
	31	{
	32
	33	using namespace gold;
	34
	35	bool
	36	Overflow_test(Test_report*)
	37	{
	38	CHECK(! Bits<16>::has_unsigned_overflow(0ULL));
	39	CHECK(! Bits<16>::has_unsigned_overflow(1ULL));
	40	CHECK(! Bits<16>::has_unsigned_overflow(0x7fffULL));
	41	CHECK(! Bits<16>::has_unsigned_overflow(0x8000ULL));
	42	CHECK(! Bits<16>::has_unsigned_overflow(0x8001ULL));
	43	CHECK(! Bits<16>::has_unsigned_overflow(0xffffULL));
	44	CHECK(Bits<16>::has_unsigned_overflow(0x10000ULL));
	45	CHECK(Bits<16>::has_unsigned_overflow(0x10001ULL));
	46	CHECK(Bits<16>::has_unsigned_overflow(~0ULL));
	47	CHECK(Bits<16>::has_unsigned_overflow(~0x7fffULL + 1));
	48	CHECK(Bits<16>::has_unsigned_overflow(~0x8000ULL + 1));
	49	CHECK(Bits<16>::has_unsigned_overflow(~0x8001ULL + 1));
	50	CHECK(Bits<16>::has_unsigned_overflow(~0xffffULL + 1));
	51	CHECK(Bits<16>::has_unsigned_overflow(~0x10000ULL + 1));
	52	CHECK(Bits<16>::has_unsigned_overflow(~0x10001ULL + 1));
	53
	54	CHECK(! Bits<16>::has_overflow(0ULL));
	55	CHECK(! Bits<16>::has_overflow(1ULL));
	56	CHECK(! Bits<16>::has_overflow(0x7fffULL));
	57	CHECK(Bits<16>::has_overflow(0x8000ULL));
	58	CHECK(Bits<16>::has_overflow(0x8001ULL));
	59	CHECK(Bits<16>::has_overflow(0xffffULL));
	60	CHECK(Bits<16>::has_overflow(0x10000ULL));
	61	CHECK(Bits<16>::has_overflow(0x10001ULL));
	62	CHECK(! Bits<16>::has_overflow(~0ULL));
	63	CHECK(! Bits<16>::has_overflow(~0x7fffULL + 1));
	64	CHECK(! Bits<16>::has_overflow(~0x8000ULL + 1));
	65	CHECK(Bits<16>::has_overflow(~0x8001ULL + 1));
	66	CHECK(Bits<16>::has_overflow(~0xffffULL + 1));
	67	CHECK(Bits<16>::has_overflow(~0x10000ULL + 1));
68	CHECK(Bits<16>::has_overflow(~0x10001ULL + 1));
69
70	CHECK(! Bits<16>::has_signed_unsigned_overflow64(0ULL));
71	CHECK(! Bits<16>::has_signed_unsigned_overflow64(1ULL));
72	CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x7fffULL));
73	CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x8000ULL));
74	CHECK(! Bits<16>::has_signed_unsigned_overflow64(0x8001ULL));
75	CHECK(! Bits<16>::has_signed_unsigned_overflow64(0xffffULL));
76	CHECK(Bits<16>::has_signed_unsigned_overflow64(0x10000ULL));
77	CHECK(Bits<16>::has_signed_unsigned_overflow64(0x10001ULL));
78	CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0ULL));
79	CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0x7fffULL + 1));
80	CHECK(! Bits<16>::has_signed_unsigned_overflow64(~0x8000ULL + 1));
81	CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x8001ULL + 1));
82	CHECK(Bits<16>::has_signed_unsigned_overflow64(~0xffffULL + 1));
83	CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x10000ULL + 1));
84	CHECK(Bits<16>::has_signed_unsigned_overflow64(~0x10001ULL + 1));
85
86	CHECK(! Bits<16>::has_unsigned_overflow32(0U));
87	CHECK(! Bits<16>::has_unsigned_overflow32(1U));
88	CHECK(! Bits<16>::has_unsigned_overflow32(0x7fffU));
89	CHECK(! Bits<16>::has_unsigned_overflow32(0x8000U));
90	CHECK(! Bits<16>::has_unsigned_overflow32(0x8001U));
91	CHECK(! Bits<16>::has_unsigned_overflow32(0xffffU));
92	CHECK(Bits<16>::has_unsigned_overflow32(0x10000U));
93	CHECK(Bits<16>::has_unsigned_overflow32(0x10001U));
94	CHECK(Bits<16>::has_unsigned_overflow32(~0U));
95	CHECK(Bits<16>::has_unsigned_overflow32(~0x7fffU + 1));
96	CHECK(Bits<16>::has_unsigned_overflow32(~0x8000U + 1));
97	CHECK(Bits<16>::has_unsigned_overflow32(~0x8001U + 1));
98	CHECK(Bits<16>::has_unsigned_overflow32(~0xffffU + 1));
99	CHECK(Bits<16>::has_unsigned_overflow32(~0x10000U + 1));
100	CHECK(Bits<16>::has_unsigned_overflow32(~0x10001U + 1));
101
102	CHECK(! Bits<16>::has_overflow32(0U));
103	CHECK(! Bits<16>::has_overflow32(1U));
104	CHECK(! Bits<16>::has_overflow32(0x7fffU));
105	CHECK(Bits<16>::has_overflow32(0x8000U));
106	CHECK(Bits<16>::has_overflow32(0x8001U));
107	CHECK(Bits<16>::has_overflow32(0xffffU));
108	CHECK(Bits<16>::has_overflow32(0x10000U));
109	CHECK(Bits<16>::has_overflow32(0x10001U));
110	CHECK(! Bits<16>::has_overflow32(~0U));
111	CHECK(! Bits<16>::has_overflow32(~0x7fffU + 1));
112	CHECK(! Bits<16>::has_overflow32(~0x8000U + 1));
113	CHECK(Bits<16>::has_overflow32(~0x8001U + 1));
114	CHECK(Bits<16>::has_overflow32(~0xffffU + 1));
115	CHECK(Bits<16>::has_overflow32(~0x10000U + 1));
116	CHECK(Bits<16>::has_overflow32(~0x10001U + 1));
117
118	CHECK(! Bits<16>::has_signed_unsigned_overflow32(0U));
119	CHECK(! Bits<16>::has_signed_unsigned_overflow32(1U));
120	CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x7fffU));
121	CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x8000U));
122	CHECK(! Bits<16>::has_signed_unsigned_overflow32(0x8001U));
123	CHECK(! Bits<16>::has_signed_unsigned_overflow32(0xffffU));
124	CHECK(Bits<16>::has_signed_unsigned_overflow32(0x10000U));
125	CHECK(Bits<16>::has_signed_unsigned_overflow32(0x10001U));
126	CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0U));
127	CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0x7fffU + 1));
128	CHECK(! Bits<16>::has_signed_unsigned_overflow32(~0x8000U + 1));
129	CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x8001U + 1));
130	CHECK(Bits<16>::has_signed_unsigned_overflow32(~0xffffU + 1));
131	CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x10000U + 1));
132	CHECK(Bits<16>::has_signed_unsigned_overflow32(~0x10001U + 1));
133
134	return true;
135	}
136
137	Register_test overflow_register("Overflow", Overflow_test);
138
139	} // End namespace gold_testsuite.