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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP 26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP 27 28 #include "ci/compilerInterface.hpp" 29 30 typedef void (*initializer)(void); 31 32 class AbstractCompiler : public CHeapObj<mtCompiler> { 33 private: 34 bool _is_initialized; // Mark whether compiler object is initialized 35 36 protected: 37 // Used for tracking global state of compiler runtime initialization 38 enum { uninitialized, initializing, initialized }; 39 40 // This method will call the initialization method "f" once (per compiler class/subclass) 41 // and do so without holding any locks 42 void initialize_runtimes(initializer f, volatile int* state); 43 44 public: 45 AbstractCompiler() : _is_initialized(false) {} 46 47 // Name of this compiler 48 virtual const char* name() = 0; 49 50 // Missing feature tests 51 virtual bool supports_native() { return true; } 52 virtual bool supports_osr () { return true; } 53 virtual bool can_compile_method(methodHandle method) { return true; } 54 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) 55 virtual bool is_c1 () { return false; } 56 virtual bool is_c2 () { return false; } 57 virtual bool is_shark() { return false; } 58 #else 59 #ifdef COMPILER1 60 bool is_c1 () { return true; } 61 bool is_c2 () { return false; } 62 bool is_shark() { return false; } 63 #endif // COMPILER1 64 #ifdef COMPILER2 65 bool is_c1 () { return false; } 66 bool is_c2 () { return true; } 67 bool is_shark() { return false; } 68 #endif // COMPILER2 69 #ifdef SHARK 70 bool is_c1 () { return false; } 71 bool is_c2 () { return false; } 72 bool is_shark() { return true; } 73 #endif // SHARK 74 #endif // TIERED 75 76 // Customization 77 virtual bool needs_stubs () = 0; 78 79 void mark_initialized() { _is_initialized = true; } 80 bool is_initialized() { return _is_initialized; } 81 82 virtual void initialize() = 0; 83 84 // Compilation entry point for methods 85 virtual void compile_method(ciEnv* env, 86 ciMethod* target, 87 int entry_bci) { 88 ShouldNotReachHere(); 89 } 90 91 92 // Print compilation timers and statistics 93 virtual void print_timers() { 94 ShouldNotReachHere(); 95 } 96 }; 97 98 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP | 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP 26 #define SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP 27 28 #include "ci/compilerInterface.hpp" 29 30 class AbstractCompiler : public CHeapObj<mtCompiler> { 31 private: 32 volatile int _num_compiler_threads; 33 34 protected: 35 volatile int _compiler_state; 36 // Used for tracking global state of compiler runtime initialization 37 enum { uninitialized, initializing, initialized, failed, shutting_shown, shut_down }; 38 39 // This method returns true for the first compiler thread that reaches that methods. 40 // This thread will initialize the compiler runtime. 41 bool should_perform_init(); 42 43 public: 44 AbstractCompiler() : _compiler_state(uninitialized), _num_compiler_threads(0) {} 45 46 // This function determines the compiler thread that will perform the 47 // shutdown of the corresponding compiler runtime. 48 bool should_perform_shutdown(); 49 50 // Name of this compiler 51 virtual const char* name() = 0; 52 53 // Missing feature tests 54 virtual bool supports_native() { return true; } 55 virtual bool supports_osr () { return true; } 56 virtual bool can_compile_method(methodHandle method) { return true; } 57 #if defined(TIERED) || ( !defined(COMPILER1) && !defined(COMPILER2) && !defined(SHARK)) 58 virtual bool is_c1 () { return false; } 59 virtual bool is_c2 () { return false; } 60 virtual bool is_shark() { return false; } 61 #else 62 #ifdef COMPILER1 63 bool is_c1 () { return true; } 64 bool is_c2 () { return false; } 65 bool is_shark() { return false; } 66 #endif // COMPILER1 67 #ifdef COMPILER2 68 bool is_c1 () { return false; } 69 bool is_c2 () { return true; } 70 bool is_shark() { return false; } 71 #endif // COMPILER2 72 #ifdef SHARK 73 bool is_c1 () { return false; } 74 bool is_c2 () { return false; } 75 bool is_shark() { return true; } 76 #endif // SHARK 77 #endif // TIERED 78 79 // Customization 80 virtual void initialize () = 0; 81 82 void set_num_compiler_threads(int num) { _num_compiler_threads = num; } 83 int num_compiler_threads() { return _num_compiler_threads; } 84 85 // Get/set state of compiler objects 86 bool is_initialized () { return _compiler_state == initialized; } 87 bool is_state_failed () { return _compiler_state == failed; } 88 void set_state (int state); 89 void set_shut_down() { set_state(shut_down); } 90 // Compilation entry point for methods 91 virtual void compile_method(ciEnv* env, ciMethod* target, int entry_bci) { 92 ShouldNotReachHere(); 93 } 94 95 96 // Print compilation timers and statistics 97 virtual void print_timers() { 98 ShouldNotReachHere(); 99 } 100 }; 101 102 #endif // SHARE_VM_COMPILER_ABSTRACTCOMPILER_HPP |