1 // overflow_unittest.cc -- test functions that check for overflow. 2 3 // Copyright (C) 2016 Free Software Foundation, Inc. 4 // Written by Cary Coutant <ccoutant (at) 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. 140
