Mon, 04 Nov 2013 21:59:54 +0100
8027445: SIGSEGV at TestFloatingDecimal.testAppendToDouble()I
Summary: String.equals() intrinsic shouldn't use integer length input in pointer arithmetic without an i2l.
Reviewed-by: kvn, twisti
duke@435 | 1 | /* |
mikael@4153 | 2 | * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #ifndef CPU_SPARC_VM_C1_FRAMEMAP_SPARC_HPP |
stefank@2314 | 26 | #define CPU_SPARC_VM_C1_FRAMEMAP_SPARC_HPP |
stefank@2314 | 27 | |
duke@435 | 28 | public: |
duke@435 | 29 | |
duke@435 | 30 | enum { |
duke@435 | 31 | nof_reg_args = 6, // registers o0-o5 are available for parameter passing |
duke@435 | 32 | first_available_sp_in_frame = frame::memory_parameter_word_sp_offset * BytesPerWord, |
duke@435 | 33 | frame_pad_in_bytes = 0 |
duke@435 | 34 | }; |
duke@435 | 35 | |
duke@435 | 36 | static const int pd_c_runtime_reserved_arg_size; |
duke@435 | 37 | |
duke@435 | 38 | static LIR_Opr G0_opr; |
duke@435 | 39 | static LIR_Opr G1_opr; |
duke@435 | 40 | static LIR_Opr G2_opr; |
duke@435 | 41 | static LIR_Opr G3_opr; |
duke@435 | 42 | static LIR_Opr G4_opr; |
duke@435 | 43 | static LIR_Opr G5_opr; |
duke@435 | 44 | static LIR_Opr G6_opr; |
duke@435 | 45 | static LIR_Opr G7_opr; |
duke@435 | 46 | static LIR_Opr O0_opr; |
duke@435 | 47 | static LIR_Opr O1_opr; |
duke@435 | 48 | static LIR_Opr O2_opr; |
duke@435 | 49 | static LIR_Opr O3_opr; |
duke@435 | 50 | static LIR_Opr O4_opr; |
duke@435 | 51 | static LIR_Opr O5_opr; |
duke@435 | 52 | static LIR_Opr O6_opr; |
duke@435 | 53 | static LIR_Opr O7_opr; |
duke@435 | 54 | static LIR_Opr L0_opr; |
duke@435 | 55 | static LIR_Opr L1_opr; |
duke@435 | 56 | static LIR_Opr L2_opr; |
duke@435 | 57 | static LIR_Opr L3_opr; |
duke@435 | 58 | static LIR_Opr L4_opr; |
duke@435 | 59 | static LIR_Opr L5_opr; |
duke@435 | 60 | static LIR_Opr L6_opr; |
duke@435 | 61 | static LIR_Opr L7_opr; |
duke@435 | 62 | static LIR_Opr I0_opr; |
duke@435 | 63 | static LIR_Opr I1_opr; |
duke@435 | 64 | static LIR_Opr I2_opr; |
duke@435 | 65 | static LIR_Opr I3_opr; |
duke@435 | 66 | static LIR_Opr I4_opr; |
duke@435 | 67 | static LIR_Opr I5_opr; |
duke@435 | 68 | static LIR_Opr I6_opr; |
duke@435 | 69 | static LIR_Opr I7_opr; |
duke@435 | 70 | |
duke@435 | 71 | static LIR_Opr SP_opr; |
duke@435 | 72 | static LIR_Opr FP_opr; |
duke@435 | 73 | |
duke@435 | 74 | static LIR_Opr G0_oop_opr; |
duke@435 | 75 | static LIR_Opr G1_oop_opr; |
duke@435 | 76 | static LIR_Opr G2_oop_opr; |
duke@435 | 77 | static LIR_Opr G3_oop_opr; |
duke@435 | 78 | static LIR_Opr G4_oop_opr; |
duke@435 | 79 | static LIR_Opr G5_oop_opr; |
duke@435 | 80 | static LIR_Opr G6_oop_opr; |
duke@435 | 81 | static LIR_Opr G7_oop_opr; |
duke@435 | 82 | static LIR_Opr O0_oop_opr; |
duke@435 | 83 | static LIR_Opr O1_oop_opr; |
duke@435 | 84 | static LIR_Opr O2_oop_opr; |
duke@435 | 85 | static LIR_Opr O3_oop_opr; |
duke@435 | 86 | static LIR_Opr O4_oop_opr; |
duke@435 | 87 | static LIR_Opr O5_oop_opr; |
duke@435 | 88 | static LIR_Opr O6_oop_opr; |
duke@435 | 89 | static LIR_Opr O7_oop_opr; |
duke@435 | 90 | static LIR_Opr L0_oop_opr; |
duke@435 | 91 | static LIR_Opr L1_oop_opr; |
duke@435 | 92 | static LIR_Opr L2_oop_opr; |
duke@435 | 93 | static LIR_Opr L3_oop_opr; |
duke@435 | 94 | static LIR_Opr L4_oop_opr; |
duke@435 | 95 | static LIR_Opr L5_oop_opr; |
duke@435 | 96 | static LIR_Opr L6_oop_opr; |
duke@435 | 97 | static LIR_Opr L7_oop_opr; |
duke@435 | 98 | static LIR_Opr I0_oop_opr; |
duke@435 | 99 | static LIR_Opr I1_oop_opr; |
duke@435 | 100 | static LIR_Opr I2_oop_opr; |
duke@435 | 101 | static LIR_Opr I3_oop_opr; |
duke@435 | 102 | static LIR_Opr I4_oop_opr; |
duke@435 | 103 | static LIR_Opr I5_oop_opr; |
duke@435 | 104 | static LIR_Opr I6_oop_opr; |
duke@435 | 105 | static LIR_Opr I7_oop_opr; |
duke@435 | 106 | |
roland@4051 | 107 | static LIR_Opr G0_metadata_opr; |
roland@4051 | 108 | static LIR_Opr G1_metadata_opr; |
roland@4051 | 109 | static LIR_Opr G2_metadata_opr; |
roland@4051 | 110 | static LIR_Opr G3_metadata_opr; |
roland@4051 | 111 | static LIR_Opr G4_metadata_opr; |
roland@4051 | 112 | static LIR_Opr G5_metadata_opr; |
roland@4051 | 113 | static LIR_Opr G6_metadata_opr; |
roland@4051 | 114 | static LIR_Opr G7_metadata_opr; |
roland@4051 | 115 | static LIR_Opr O0_metadata_opr; |
roland@4051 | 116 | static LIR_Opr O1_metadata_opr; |
roland@4051 | 117 | static LIR_Opr O2_metadata_opr; |
roland@4051 | 118 | static LIR_Opr O3_metadata_opr; |
roland@4051 | 119 | static LIR_Opr O4_metadata_opr; |
roland@4051 | 120 | static LIR_Opr O5_metadata_opr; |
roland@4051 | 121 | static LIR_Opr O6_metadata_opr; |
roland@4051 | 122 | static LIR_Opr O7_metadata_opr; |
roland@4051 | 123 | static LIR_Opr L0_metadata_opr; |
roland@4051 | 124 | static LIR_Opr L1_metadata_opr; |
roland@4051 | 125 | static LIR_Opr L2_metadata_opr; |
roland@4051 | 126 | static LIR_Opr L3_metadata_opr; |
roland@4051 | 127 | static LIR_Opr L4_metadata_opr; |
roland@4051 | 128 | static LIR_Opr L5_metadata_opr; |
roland@4051 | 129 | static LIR_Opr L6_metadata_opr; |
roland@4051 | 130 | static LIR_Opr L7_metadata_opr; |
roland@4051 | 131 | static LIR_Opr I0_metadata_opr; |
roland@4051 | 132 | static LIR_Opr I1_metadata_opr; |
roland@4051 | 133 | static LIR_Opr I2_metadata_opr; |
roland@4051 | 134 | static LIR_Opr I3_metadata_opr; |
roland@4051 | 135 | static LIR_Opr I4_metadata_opr; |
roland@4051 | 136 | static LIR_Opr I5_metadata_opr; |
roland@4051 | 137 | static LIR_Opr I6_metadata_opr; |
roland@4051 | 138 | static LIR_Opr I7_metadata_opr; |
roland@4051 | 139 | |
duke@435 | 140 | static LIR_Opr in_long_opr; |
duke@435 | 141 | static LIR_Opr out_long_opr; |
iveresov@2138 | 142 | static LIR_Opr g1_long_single_opr; |
duke@435 | 143 | |
duke@435 | 144 | static LIR_Opr F0_opr; |
duke@435 | 145 | static LIR_Opr F0_double_opr; |
duke@435 | 146 | |
duke@435 | 147 | static LIR_Opr Oexception_opr; |
duke@435 | 148 | static LIR_Opr Oissuing_pc_opr; |
duke@435 | 149 | |
duke@435 | 150 | private: |
duke@435 | 151 | static FloatRegister _fpu_regs [nof_fpu_regs]; |
duke@435 | 152 | |
iveresov@2138 | 153 | static LIR_Opr as_long_single_opr(Register r) { |
iveresov@2138 | 154 | return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); |
iveresov@2138 | 155 | } |
iveresov@2138 | 156 | static LIR_Opr as_long_pair_opr(Register r) { |
iveresov@2138 | 157 | return LIR_OprFact::double_cpu(cpu_reg2rnr(r->successor()), cpu_reg2rnr(r)); |
iveresov@2138 | 158 | } |
iveresov@2138 | 159 | |
duke@435 | 160 | public: |
duke@435 | 161 | |
duke@435 | 162 | #ifdef _LP64 |
duke@435 | 163 | static LIR_Opr as_long_opr(Register r) { |
iveresov@2138 | 164 | return as_long_single_opr(r); |
duke@435 | 165 | } |
duke@435 | 166 | static LIR_Opr as_pointer_opr(Register r) { |
iveresov@2138 | 167 | return as_long_single_opr(r); |
duke@435 | 168 | } |
duke@435 | 169 | #else |
duke@435 | 170 | static LIR_Opr as_long_opr(Register r) { |
iveresov@2138 | 171 | return as_long_pair_opr(r); |
duke@435 | 172 | } |
duke@435 | 173 | static LIR_Opr as_pointer_opr(Register r) { |
duke@435 | 174 | return as_opr(r); |
duke@435 | 175 | } |
duke@435 | 176 | #endif |
duke@435 | 177 | static LIR_Opr as_float_opr(FloatRegister r) { |
duke@435 | 178 | return LIR_OprFact::single_fpu(r->encoding()); |
duke@435 | 179 | } |
duke@435 | 180 | static LIR_Opr as_double_opr(FloatRegister r) { |
duke@435 | 181 | return LIR_OprFact::double_fpu(r->successor()->encoding(), r->encoding()); |
duke@435 | 182 | } |
duke@435 | 183 | |
duke@435 | 184 | static FloatRegister nr2floatreg (int rnr); |
duke@435 | 185 | |
duke@435 | 186 | static VMReg fpu_regname (int n); |
duke@435 | 187 | |
duke@435 | 188 | static bool is_caller_save_register (LIR_Opr reg); |
duke@435 | 189 | static bool is_caller_save_register (Register r); |
stefank@2314 | 190 | |
iveresov@2344 | 191 | static int nof_caller_save_cpu_regs() { return pd_nof_caller_save_cpu_regs_frame_map; } |
iveresov@2344 | 192 | static int last_cpu_reg() { return pd_last_cpu_reg; } |
iveresov@2344 | 193 | |
stefank@2314 | 194 | #endif // CPU_SPARC_VM_C1_FRAMEMAP_SPARC_HPP |