erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 1 | // Copyright 2010 the V8 project authors. All rights reserved. |
| 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #ifndef V8_GDB_JIT_H_ |
| 29 | #define V8_GDB_JIT_H_ |
| 30 | |
lrn@chromium.org | 1c09276 | 2011-05-09 09:42:16 +0000 | [diff] [blame] | 31 | #include "allocation.h" |
| 32 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 33 | // |
| 34 | // Basic implementation of GDB JIT Interface client. |
| 35 | // GBD JIT Interface is supported in GDB 7.0 and above. |
| 36 | // Currently on x64 and ia32 architectures and Linux OS are supported. |
| 37 | // |
| 38 | |
| 39 | #ifdef ENABLE_GDB_JIT_INTERFACE |
| 40 | #include "v8.h" |
| 41 | #include "factory.h" |
| 42 | |
| 43 | namespace v8 { |
| 44 | namespace internal { |
| 45 | |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 46 | class CompilationInfo; |
| 47 | |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 48 | #define CODE_TAGS_LIST(V) \ |
| 49 | V(LOAD_IC) \ |
| 50 | V(KEYED_LOAD_IC) \ |
| 51 | V(STORE_IC) \ |
| 52 | V(KEYED_STORE_IC) \ |
| 53 | V(CALL_IC) \ |
| 54 | V(CALL_INITIALIZE) \ |
| 55 | V(CALL_PRE_MONOMORPHIC) \ |
| 56 | V(CALL_NORMAL) \ |
| 57 | V(CALL_MEGAMORPHIC) \ |
| 58 | V(CALL_MISS) \ |
| 59 | V(STUB) \ |
| 60 | V(BUILTIN) \ |
| 61 | V(SCRIPT) \ |
kmillikin@chromium.org | 31b1277 | 2011-02-02 16:08:26 +0000 | [diff] [blame] | 62 | V(EVAL) \ |
| 63 | V(FUNCTION) |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 64 | |
| 65 | class GDBJITLineInfo : public Malloced { |
| 66 | public: |
| 67 | GDBJITLineInfo() |
| 68 | : pc_info_(10) { } |
| 69 | |
| 70 | void SetPosition(intptr_t pc, int pos, bool is_statement) { |
| 71 | AddPCInfo(PCInfo(pc, pos, is_statement)); |
| 72 | } |
| 73 | |
| 74 | struct PCInfo { |
| 75 | PCInfo(intptr_t pc, int pos, bool is_statement) |
| 76 | : pc_(pc), pos_(pos), is_statement_(is_statement) { } |
| 77 | |
| 78 | intptr_t pc_; |
| 79 | int pos_; |
| 80 | bool is_statement_; |
| 81 | }; |
| 82 | |
| 83 | List<PCInfo>* pc_info() { |
| 84 | return &pc_info_; |
| 85 | } |
| 86 | |
| 87 | private: |
| 88 | void AddPCInfo(const PCInfo& pc_info) { |
| 89 | pc_info_.Add(pc_info); |
| 90 | } |
| 91 | |
| 92 | List<PCInfo> pc_info_; |
| 93 | }; |
| 94 | |
| 95 | |
| 96 | class GDBJITInterface: public AllStatic { |
| 97 | public: |
| 98 | enum CodeTag { |
| 99 | #define V(x) x, |
| 100 | CODE_TAGS_LIST(V) |
| 101 | #undef V |
| 102 | TAG_COUNT |
| 103 | }; |
| 104 | |
| 105 | static const char* Tag2String(CodeTag tag) { |
| 106 | switch (tag) { |
| 107 | #define V(x) case x: return #x; |
| 108 | CODE_TAGS_LIST(V) |
| 109 | #undef V |
| 110 | default: |
| 111 | return NULL; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | static void AddCode(const char* name, |
| 116 | Code* code, |
kmillikin@chromium.org | 31b1277 | 2011-02-02 16:08:26 +0000 | [diff] [blame] | 117 | CodeTag tag, |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 118 | Script* script, |
| 119 | CompilationInfo* info); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 120 | |
| 121 | static void AddCode(Handle<String> name, |
| 122 | Handle<Script> script, |
ricow@chromium.org | 4f693d6 | 2011-07-04 14:01:31 +0000 | [diff] [blame] | 123 | Handle<Code> code, |
| 124 | CompilationInfo* info); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 125 | |
| 126 | static void AddCode(CodeTag tag, String* name, Code* code); |
| 127 | |
| 128 | static void AddCode(CodeTag tag, const char* name, Code* code); |
| 129 | |
| 130 | static void AddCode(CodeTag tag, Code* code); |
| 131 | |
| 132 | static void RemoveCode(Code* code); |
| 133 | |
| 134 | static void RegisterDetailedLineInfo(Code* code, GDBJITLineInfo* line_info); |
erik.corry@gmail.com | 0511e24 | 2011-01-19 11:11:08 +0000 | [diff] [blame] | 135 | }; |
| 136 | |
| 137 | #define GDBJIT(action) GDBJITInterface::action |
| 138 | |
| 139 | } } // namespace v8::internal |
| 140 | #else |
| 141 | #define GDBJIT(action) ((void) 0) |
| 142 | #endif |
| 143 | |
| 144 | #endif |