Mercurial > hg > truffle
annotate src/share/vm/runtime/dtraceJSDT.hpp @ 7287:76c9023ed438
Remove now useless prefix arguments for jtt unittests
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Thu, 20 Dec 2012 17:06:59 +0100 |
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1 /* |
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2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
1972 | 25 #ifndef SHARE_VM_RUNTIME_DTRACEJSDT_HPP |
26 #define SHARE_VM_RUNTIME_DTRACEJSDT_HPP | |
27 | |
28 #include "code/nmethod.hpp" | |
29 #ifdef TARGET_ARCH_x86 | |
30 # include "nativeInst_x86.hpp" | |
31 #endif | |
32 #ifdef TARGET_ARCH_sparc | |
33 # include "nativeInst_sparc.hpp" | |
34 #endif | |
35 #ifdef TARGET_ARCH_zero | |
36 # include "nativeInst_zero.hpp" | |
37 #endif | |
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38 #ifdef TARGET_ARCH_arm |
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39 # include "nativeInst_arm.hpp" |
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40 #endif |
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41 #ifdef TARGET_ARCH_ppc |
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42 # include "nativeInst_ppc.hpp" |
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43 #endif |
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45 class RegisteredProbes; |
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46 typedef jlong OpaqueProbes; |
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47 |
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48 class DTraceJSDT : AllStatic { |
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49 private: |
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50 |
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51 static int pd_activate(void* moduleBaseAddress, jstring module, |
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52 jint providers_count, JVM_DTraceProvider* providers); |
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53 static void pd_dispose(int handle); |
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54 static jboolean pd_is_supported(); |
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55 |
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56 public: |
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57 |
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58 static OpaqueProbes activate( |
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59 jint version, jstring module_name, jint providers_count, |
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60 JVM_DTraceProvider* providers, TRAPS); |
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61 static jboolean is_probe_enabled(jmethodID method); |
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62 static void dispose(OpaqueProbes handle); |
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63 static jboolean is_supported(); |
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64 }; |
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65 |
6197 | 66 class RegisteredProbes : public CHeapObj<mtInternal> { |
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67 private: |
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68 nmethod** _nmethods; // all the probe methods |
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69 size_t _count; // number of probe methods |
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70 int _helper_handle; // DTrace-assigned identifier |
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71 |
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72 public: |
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73 RegisteredProbes(size_t count) { |
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74 _count = count; |
6197 | 75 _nmethods = NEW_C_HEAP_ARRAY(nmethod*, count, mtInternal); |
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76 } |
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77 |
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78 ~RegisteredProbes() { |
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79 for (size_t i = 0; i < _count; ++i) { |
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80 // Let the sweeper reclaim it |
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81 _nmethods[i]->make_not_entrant(); |
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82 _nmethods[i]->method()->clear_code(); |
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83 } |
6197 | 84 FREE_C_HEAP_ARRAY(nmethod*, _nmethods, mtInternal); |
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85 _nmethods = NULL; |
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86 _count = 0; |
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87 } |
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88 |
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89 static RegisteredProbes* toRegisteredProbes(OpaqueProbes p) { |
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90 return (RegisteredProbes*)(intptr_t)p; |
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91 } |
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92 |
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93 static OpaqueProbes toOpaqueProbes(RegisteredProbes* p) { |
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94 return (OpaqueProbes)(intptr_t)p; |
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95 } |
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96 |
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97 void set_helper_handle(int handle) { _helper_handle = handle; } |
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98 int helper_handle() const { return _helper_handle; } |
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99 |
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100 nmethod* nmethod_at(size_t i) { |
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101 assert(i >= 0 && i < _count, "bad nmethod index"); |
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102 return _nmethods[i]; |
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103 } |
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104 |
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105 void nmethod_at_put(size_t i, nmethod* nm) { |
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106 assert(i >= 0 && i < _count, "bad nmethod index"); |
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107 _nmethods[i] = nm; |
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108 } |
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109 }; |
1972 | 110 |
111 #endif // SHARE_VM_RUNTIME_DTRACEJSDT_HPP |