/* * Copyright (C) 2008 Apple Inc. All rights reserved. * Copyright (C) 2008 Cameron Zwarich * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef Opcodes_h #define Opcodes_h #include #include #include namespace JSC { #define FOR_EACH_OPCODE_ID(macro) \ macro(op_enter) \ macro(op_enter_with_activation) \ macro(op_create_arguments) \ macro(op_convert_this) \ \ macro(op_unexpected_load) \ macro(op_new_object) \ macro(op_new_array) \ macro(op_new_regexp) \ macro(op_mov) \ \ macro(op_not) \ macro(op_eq) \ macro(op_eq_null) \ macro(op_neq) \ macro(op_neq_null) \ macro(op_stricteq) \ macro(op_nstricteq) \ macro(op_less) \ macro(op_lesseq) \ \ macro(op_pre_inc) \ macro(op_pre_dec) \ macro(op_post_inc) \ macro(op_post_dec) \ macro(op_to_jsnumber) \ macro(op_negate) \ macro(op_add) \ macro(op_mul) \ macro(op_div) \ macro(op_mod) \ macro(op_sub) \ \ macro(op_lshift) \ macro(op_rshift) \ macro(op_urshift) \ macro(op_bitand) \ macro(op_bitxor) \ macro(op_bitor) \ macro(op_bitnot) \ \ macro(op_instanceof) \ macro(op_typeof) \ macro(op_is_undefined) \ macro(op_is_boolean) \ macro(op_is_number) \ macro(op_is_string) \ macro(op_is_object) \ macro(op_is_function) \ macro(op_in) \ \ macro(op_resolve) \ macro(op_resolve_skip) \ macro(op_resolve_global) \ macro(op_get_scoped_var) \ macro(op_put_scoped_var) \ macro(op_get_global_var) \ macro(op_put_global_var) \ macro(op_resolve_base) \ macro(op_resolve_with_base) \ macro(op_resolve_func) \ macro(op_get_by_id) \ macro(op_get_by_id_self) \ macro(op_get_by_id_proto) \ macro(op_get_by_id_chain) \ macro(op_get_by_id_generic) \ macro(op_get_array_length) \ macro(op_get_string_length) \ macro(op_put_by_id) \ macro(op_put_by_id_transition) \ macro(op_put_by_id_replace) \ macro(op_put_by_id_generic) \ macro(op_del_by_id) \ macro(op_get_by_val) \ macro(op_put_by_val) \ macro(op_del_by_val) \ macro(op_put_by_index) \ macro(op_put_getter) \ macro(op_put_setter) \ \ macro(op_jmp) \ macro(op_jtrue) \ macro(op_jfalse) \ macro(op_jeq_null) \ macro(op_jneq_null) \ macro(op_jnless) \ macro(op_jmp_scopes) \ macro(op_loop) \ macro(op_loop_if_true) \ macro(op_loop_if_less) \ macro(op_loop_if_lesseq) \ macro(op_switch_imm) \ macro(op_switch_char) \ macro(op_switch_string) \ \ macro(op_new_func) \ macro(op_new_func_exp) \ macro(op_call) \ macro(op_call_eval) \ macro(op_tear_off_activation) \ macro(op_tear_off_arguments) \ macro(op_ret) \ \ macro(op_construct) \ macro(op_construct_verify) \ \ macro(op_get_pnames) \ macro(op_next_pname) \ \ macro(op_push_scope) \ macro(op_pop_scope) \ macro(op_push_new_scope) \ \ macro(op_catch) \ macro(op_throw) \ macro(op_new_error) \ \ macro(op_jsr) \ macro(op_sret) \ \ macro(op_debug) \ macro(op_profile_will_call) \ macro(op_profile_did_call) \ \ macro(op_end) // end must be the last opcode in the list #define OPCODE_ID_ENUM(opcode) opcode, typedef enum { FOR_EACH_OPCODE_ID(OPCODE_ID_ENUM) } OpcodeID; #undef OPCODE_ID_ENUM const int numOpcodeIDs = op_end + 1; #define VERIFY_OPCODE_ID(id) COMPILE_ASSERT(id <= op_end, ASSERT_THAT_JS_OPCODE_IDS_ARE_VALID); FOR_EACH_OPCODE_ID(VERIFY_OPCODE_ID); #undef VERIFY_OPCODE_ID #if HAVE(COMPUTED_GOTO) typedef void* Opcode; #else typedef OpcodeID Opcode; #endif #if ENABLE(OPCODE_SAMPLING) || ENABLE(CODEBLOCK_SAMPLING) || ENABLE(OPCODE_STATS) #define PADDING_STRING " " #define PADDING_STRING_LENGTH static_cast(strlen(PADDING_STRING)) extern const char* const opcodeNames[]; inline const char* padOpcodeName(OpcodeID op, unsigned width) { unsigned pad = width - strlen(opcodeNames[op]); pad = std::min(pad, PADDING_STRING_LENGTH); return PADDING_STRING + PADDING_STRING_LENGTH - pad; } #undef PADDING_STRING_LENGTH #undef PADDING_STRING #endif #if ENABLE(OPCODE_STATS) struct OpcodeStats { OpcodeStats(); ~OpcodeStats(); static long long opcodeCounts[numOpcodeIDs]; static long long opcodePairCounts[numOpcodeIDs][numOpcodeIDs]; static int lastOpcode; static void recordInstruction(int opcode); static void resetLastInstruction(); }; #endif } // namespace JSC #endif // Opcodes_h