src/cpu/x86/vm/stubRoutines_x86_32.hpp

Tue, 23 Nov 2010 13:22:55 -0800

author
stefank
date
Tue, 23 Nov 2010 13:22:55 -0800
changeset 2314
f95d63e2154a
parent 2148
d257356e35f0
child 2552
638119ce7cfd
permissions
-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435 1 /*
trims@1907 2 * Copyright (c) 1997, 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_STUBROUTINES_X86_32_HPP
stefank@2314 26 #define CPU_X86_VM_STUBROUTINES_X86_32_HPP
stefank@2314 27
duke@435 28 // This file holds the platform specific parts of the StubRoutines
duke@435 29 // definition. See stubRoutines.hpp for a description on how to
duke@435 30 // extend it.
duke@435 31
duke@435 32 enum platform_dependent_constants {
duke@435 33 code_size1 = 9000, // simply increase if too small (assembler will crash if too small)
duke@435 34 code_size2 = 22000 // simply increase if too small (assembler will crash if too small)
duke@435 35 };
duke@435 36
twisti@1734 37 // MethodHandles adapters
twisti@1734 38 enum method_handles_platform_dependent_constants {
jrose@2148 39 method_handles_adapters_code_size = 10000
twisti@1734 40 };
twisti@1734 41
never@739 42 class x86 {
duke@435 43 friend class StubGenerator;
duke@435 44 friend class VMStructs;
duke@435 45
duke@435 46 private:
duke@435 47 // If we call compiled code directly from the call stub we will
duke@435 48 // need to adjust the return back to the call stub to a specialized
duke@435 49 // piece of code that can handle compiled results and cleaning the fpu
duke@435 50 // stack. The variable holds that location.
duke@435 51 static address _call_stub_compiled_return;
duke@435 52 static address _verify_mxcsr_entry;
duke@435 53 static address _verify_fpu_cntrl_wrd_entry;
duke@435 54 static jint _mxcsr_std;
duke@435 55
duke@435 56 public:
duke@435 57 static address verify_mxcsr_entry() { return _verify_mxcsr_entry; }
duke@435 58 static address verify_fpu_cntrl_wrd_entry() { return _verify_fpu_cntrl_wrd_entry; }
duke@435 59
duke@435 60 static address get_call_stub_compiled_return() { return _call_stub_compiled_return; }
duke@435 61 static void set_call_stub_compiled_return(address ret) { _call_stub_compiled_return = ret; }
duke@435 62 };
duke@435 63
duke@435 64 static bool returns_to_call_stub(address return_pc) { return (return_pc == _call_stub_return_address) ||
never@739 65 return_pc == x86::get_call_stub_compiled_return(); }
stefank@2314 66
stefank@2314 67 #endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP

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