| /* |
| * Copyright (C) 2008 Apple Inc. All rights reserved. |
| * Copyright (C) 2008 Cameron Zwarich <cwzwarich@uwaterloo.ca> |
| * |
| * 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 <algorithm> |
| #include <string.h> |
| |
| #include <wtf/Assertions.h> |
| |
| 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<unsigned>(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 |
