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64 lines
2.3 KiB
C
64 lines
2.3 KiB
C
/* Copyright 2015-2016 Samsung Electronics Co., Ltd.
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* Copyright 2015-2016 University of Szeged.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef VM_DEFINES_H
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#define VM_DEFINES_H
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#include "byte-code.h"
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#include "ecma-globals.h"
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/** \addtogroup vm Virtual machine
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* @{
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*
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* \addtogroup vm_executor Executor
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* @{
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*/
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/**
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* Helpers for updating uint16_t values.
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*/
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#define VM_PLUS_EQUAL_U16(base, value) (base) = (uint16_t) ((base) + (value))
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#define VM_MINUS_EQUAL_U16(base, value) (base) = (uint16_t) ((base) - (value))
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/**
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* Instruction counter / position
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*/
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typedef const uint8_t *vm_instr_counter_t;
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/**
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* Context of interpreter, related to a JS stack frame
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*/
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typedef struct
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{
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const ecma_compiled_code_t *bytecode_header_p; /**< currently executed byte-code data */
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uint8_t *byte_code_p; /**< current byte code pointer */
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uint8_t *byte_code_start_p; /**< byte code start pointer */
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ecma_value_t *registers_p; /**< register start pointer */
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ecma_value_t *stack_top_p; /**< stack top pointer */
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jmem_cpointer_t *literal_start_p; /**< literal list start pointer */
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ecma_object_t *lex_env_p; /**< current lexical environment */
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ecma_value_t this_binding; /**< this binding */
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ecma_value_t call_block_result; /**< preserve block result during a call */
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uint16_t context_depth; /**< current context depth */
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uint8_t is_eval_code; /**< eval mode flag */
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uint8_t call_operation; /**< perform a call or construct operation */
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} vm_frame_ctx_t;
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/**
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* @}
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* @}
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*/
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#endif /* !VM_DEFINES_H */
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