src/cpu/x86/vm/c1_Defs_x86.hpp

Fri, 25 Jan 2013 10:04:08 -0500

author
zgu
date
Fri, 25 Jan 2013 10:04:08 -0500
changeset 4492
8b46b0196eb0
parent 2344
ac637b7220d1
child 6876
710a3c8b516e
permissions
-rw-r--r--

8000692: Remove old KERNEL code
Summary: Removed depreciated kernel VM source code from hotspot VM
Reviewed-by: dholmes, acorn

duke@435 1 /*
stefank@2314 2 * Copyright (c) 2000, 2010, 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_X86_VM_C1_DEFS_X86_HPP
stefank@2314 26 #define CPU_X86_VM_C1_DEFS_X86_HPP
stefank@2314 27
duke@435 28 // native word offsets from memory address (little endian)
duke@435 29 enum {
duke@435 30 pd_lo_word_offset_in_bytes = 0,
duke@435 31 pd_hi_word_offset_in_bytes = BytesPerWord
duke@435 32 };
duke@435 33
duke@435 34 // explicit rounding operations are required to implement the strictFP mode
duke@435 35 enum {
duke@435 36 pd_strict_fp_requires_explicit_rounding = true
duke@435 37 };
duke@435 38
duke@435 39
duke@435 40 // registers
duke@435 41 enum {
never@739 42 pd_nof_cpu_regs_frame_map = RegisterImpl::number_of_registers, // number of registers used during code emission
never@739 43 pd_nof_fpu_regs_frame_map = FloatRegisterImpl::number_of_registers, // number of registers used during code emission
never@739 44 pd_nof_xmm_regs_frame_map = XMMRegisterImpl::number_of_registers, // number of registers used during code emission
duke@435 45
never@739 46 #ifdef _LP64
never@739 47 #define UNALLOCATED 4 // rsp, rbp, r15, r10
never@739 48 #else
never@739 49 #define UNALLOCATED 2 // rsp, rbp
never@739 50 #endif // LP64
never@739 51
never@739 52 pd_nof_caller_save_cpu_regs_frame_map = pd_nof_cpu_regs_frame_map - UNALLOCATED, // number of registers killed by calls
never@739 53 pd_nof_caller_save_fpu_regs_frame_map = pd_nof_fpu_regs_frame_map, // number of registers killed by calls
never@739 54 pd_nof_caller_save_xmm_regs_frame_map = pd_nof_xmm_regs_frame_map, // number of registers killed by calls
never@739 55
never@739 56 pd_nof_cpu_regs_reg_alloc = pd_nof_caller_save_cpu_regs_frame_map, // number of registers that are visible to register allocator
duke@435 57 pd_nof_fpu_regs_reg_alloc = 6, // number of registers that are visible to register allocator
duke@435 58
never@739 59 pd_nof_cpu_regs_linearscan = pd_nof_cpu_regs_frame_map, // number of registers visible to linear scan
never@739 60 pd_nof_fpu_regs_linearscan = pd_nof_fpu_regs_frame_map, // number of registers visible to linear scan
never@739 61 pd_nof_xmm_regs_linearscan = pd_nof_xmm_regs_frame_map, // number of registers visible to linear scan
duke@435 62 pd_first_cpu_reg = 0,
never@739 63 pd_last_cpu_reg = NOT_LP64(5) LP64_ONLY(11),
iveresov@2344 64 pd_first_byte_reg = NOT_LP64(2) LP64_ONLY(0),
iveresov@2344 65 pd_last_byte_reg = NOT_LP64(5) LP64_ONLY(11),
duke@435 66 pd_first_fpu_reg = pd_nof_cpu_regs_frame_map,
duke@435 67 pd_last_fpu_reg = pd_first_fpu_reg + 7,
duke@435 68 pd_first_xmm_reg = pd_nof_cpu_regs_frame_map + pd_nof_fpu_regs_frame_map,
never@739 69 pd_last_xmm_reg = pd_first_xmm_reg + pd_nof_xmm_regs_frame_map - 1
duke@435 70 };
duke@435 71
duke@435 72
duke@435 73 // encoding of float value in debug info:
duke@435 74 enum {
duke@435 75 pd_float_saved_as_double = true
duke@435 76 };
stefank@2314 77
stefank@2314 78 #endif // CPU_X86_VM_C1_DEFS_X86_HPP

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