Mercurial > hg > truffle
annotate src/cpu/x86/vm/c1_FrameMap_x86.hpp @ 20304:a22acf6d7598
8048112: G1 Full GC needs to support the case when the very first region is not available
Summary: Refactor preparation for compaction during Full GC so that it lazily initializes the first compaction point. This also avoids problems later when the first region may not be committed. Also reviewed by K. Barrett.
Reviewed-by: brutisso
| author | tschatzl |
|---|---|
| date | Mon, 21 Jul 2014 10:00:31 +0200 |
| parents | 55fb97c4c58d |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
17467
55fb97c4c58d
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
mikael
parents:
12226
diff
changeset
|
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1301
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1301
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1301
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef CPU_X86_VM_C1_FRAMEMAP_X86_HPP |
| 26 #define CPU_X86_VM_C1_FRAMEMAP_X86_HPP | |
| 27 | |
| 0 | 28 // On i486 the frame looks as follows: |
| 29 // | |
| 30 // +-----------------------------+---------+----------------------------------------+----------------+----------- | |
| 31 // | size_arguments-nof_reg_args | 2 words | size_locals-size_arguments+numreg_args | _size_monitors | spilling . | |
| 32 // +-----------------------------+---------+----------------------------------------+----------------+----------- | |
| 33 // | |
| 34 // The FPU registers are mapped with their offset from TOS; therefore the | |
| 35 // status of FPU stack must be updated during code emission. | |
| 36 | |
| 37 public: | |
| 38 static const int pd_c_runtime_reserved_arg_size; | |
| 39 | |
| 40 enum { | |
| 41 nof_xmm_regs = pd_nof_xmm_regs_frame_map, | |
| 42 nof_caller_save_xmm_regs = pd_nof_caller_save_xmm_regs_frame_map, | |
| 43 first_available_sp_in_frame = 0, | |
| 304 | 44 #ifndef _LP64 |
| 0 | 45 frame_pad_in_bytes = 8, |
| 46 nof_reg_args = 2 | |
| 304 | 47 #else |
| 48 frame_pad_in_bytes = 16, | |
| 49 nof_reg_args = 6 | |
| 50 #endif // _LP64 | |
| 0 | 51 }; |
| 52 | |
| 53 private: | |
| 54 static LIR_Opr _caller_save_xmm_regs [nof_caller_save_xmm_regs]; | |
| 55 | |
| 56 static XMMRegister _xmm_regs[nof_xmm_regs]; | |
| 57 | |
| 58 public: | |
| 59 static LIR_Opr receiver_opr; | |
| 60 | |
| 61 static LIR_Opr rsi_opr; | |
| 62 static LIR_Opr rdi_opr; | |
| 63 static LIR_Opr rbx_opr; | |
| 64 static LIR_Opr rax_opr; | |
| 65 static LIR_Opr rdx_opr; | |
| 66 static LIR_Opr rcx_opr; | |
| 67 static LIR_Opr rsp_opr; | |
| 68 static LIR_Opr rbp_opr; | |
| 69 | |
| 70 static LIR_Opr rsi_oop_opr; | |
| 71 static LIR_Opr rdi_oop_opr; | |
| 72 static LIR_Opr rbx_oop_opr; | |
| 73 static LIR_Opr rax_oop_opr; | |
| 74 static LIR_Opr rdx_oop_opr; | |
| 75 static LIR_Opr rcx_oop_opr; | |
|
6739
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
76 |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
77 static LIR_Opr rsi_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
78 static LIR_Opr rdi_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
79 static LIR_Opr rbx_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
80 static LIR_Opr rax_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
81 static LIR_Opr rdx_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
82 static LIR_Opr rcx_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
83 |
| 304 | 84 #ifdef _LP64 |
| 0 | 85 |
| 304 | 86 static LIR_Opr r8_opr; |
| 87 static LIR_Opr r9_opr; | |
| 88 static LIR_Opr r10_opr; | |
| 89 static LIR_Opr r11_opr; | |
| 90 static LIR_Opr r12_opr; | |
| 91 static LIR_Opr r13_opr; | |
| 92 static LIR_Opr r14_opr; | |
| 93 static LIR_Opr r15_opr; | |
| 94 | |
| 95 static LIR_Opr r8_oop_opr; | |
| 96 static LIR_Opr r9_oop_opr; | |
| 97 | |
| 98 static LIR_Opr r11_oop_opr; | |
| 99 static LIR_Opr r12_oop_opr; | |
| 100 static LIR_Opr r13_oop_opr; | |
| 101 static LIR_Opr r14_oop_opr; | |
| 102 | |
|
6739
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
103 static LIR_Opr r8_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
104 static LIR_Opr r9_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
105 |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
106 static LIR_Opr r11_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
107 static LIR_Opr r12_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
108 static LIR_Opr r13_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
109 static LIR_Opr r14_metadata_opr; |
|
8a02ca5e5576
7195816: NPG: Crash in c1_ValueType - ShouldNotReachHere
roland
parents:
2002
diff
changeset
|
110 |
| 304 | 111 #endif // _LP64 |
| 112 | |
| 113 static LIR_Opr long0_opr; | |
| 114 static LIR_Opr long1_opr; | |
| 0 | 115 static LIR_Opr fpu0_float_opr; |
| 116 static LIR_Opr fpu0_double_opr; | |
| 117 static LIR_Opr xmm0_float_opr; | |
| 118 static LIR_Opr xmm0_double_opr; | |
| 119 | |
| 304 | 120 #ifdef _LP64 |
| 121 static LIR_Opr as_long_opr(Register r) { | |
| 122 return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); | |
| 123 } | |
| 124 static LIR_Opr as_pointer_opr(Register r) { | |
| 125 return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r)); | |
| 126 } | |
| 127 #else | |
| 0 | 128 static LIR_Opr as_long_opr(Register r, Register r2) { |
| 129 return LIR_OprFact::double_cpu(cpu_reg2rnr(r), cpu_reg2rnr(r2)); | |
| 130 } | |
| 304 | 131 static LIR_Opr as_pointer_opr(Register r) { |
| 132 return LIR_OprFact::single_cpu(cpu_reg2rnr(r)); | |
| 133 } | |
| 134 #endif // _LP64 | |
| 0 | 135 |
| 136 // VMReg name for spilled physical FPU stack slot n | |
| 137 static VMReg fpu_regname (int n); | |
| 138 | |
| 139 static XMMRegister nr2xmmreg(int rnr); | |
| 140 | |
| 141 static bool is_caller_save_register (LIR_Opr opr) { return true; } | |
| 142 static bool is_caller_save_register (Register r) { return true; } | |
| 143 | |
| 144 static LIR_Opr caller_save_xmm_reg_at(int i) { | |
| 145 assert(i >= 0 && i < nof_caller_save_xmm_regs, "out of bounds"); | |
| 146 return _caller_save_xmm_regs[i]; | |
| 147 } | |
| 1972 | 148 |
| 2002 | 149 static int adjust_reg_range(int range) { |
| 150 // Reduce the number of available regs (to free r12) in case of compressed oops | |
|
12226
7944aba7ba41
8015107: NPG: Use consistent naming for metaspace concepts
ehelin
parents:
6853
diff
changeset
|
151 if (UseCompressedOops || UseCompressedClassPointers) return range - 1; |
| 2002 | 152 return range; |
| 153 } | |
| 154 | |
| 155 static int nof_caller_save_cpu_regs() { return adjust_reg_range(pd_nof_caller_save_cpu_regs_frame_map); } | |
| 156 static int last_cpu_reg() { return adjust_reg_range(pd_last_cpu_reg); } | |
| 157 static int last_byte_reg() { return adjust_reg_range(pd_last_byte_reg); } | |
| 158 | |
| 1972 | 159 #endif // CPU_X86_VM_C1_FRAMEMAP_X86_HPP |
| 2002 | 160 |