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Move ecma-stack to vm component, renaming it to vm-stack.

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ECMA-stack is related to VM and is not related to ECMA component, except for GC.
Dependency between vm-stack and GC would be solved after GC would be extracted to a separate compoment.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-07-20 17:59:50 +03:00
committed by Evgeny Gavrin
parent 7dcaf06793
commit 31894da098
10 changed files with 392 additions and 386 deletions
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jerry-core/vm/vm-stack.h
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/* Copyright 2015 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef VM_STACK_H
#define VM_STACK_H
#include "config.h"
#include "ecma-globals.h"
/** \addtogroup vm Virtual machine
* @{
*
* \addtogroup stack VM stack
* @{
*/
/**
* Number of ecma-values inlined into stack frame
*/
#define VM_STACK_FRAME_INLINED_VALUES_NUMBER CONFIG_VM_STACK_FRAME_INLINED_VALUES_NUMBER
/**
* Header of a ECMA stack frame's chunk
*/
typedef struct
{
uint16_t prev_chunk_p; /**< previous chunk of same frame */
} vm_stack_chunk_header_t;
/**
* ECMA stack frame
*/
typedef struct vm_stack_frame_t
{
struct vm_stack_frame_t *prev_frame_p; /**< previous frame */
vm_stack_chunk_header_t *top_chunk_p; /**< the top-most chunk of the frame */
ecma_value_t *dynamically_allocated_value_slots_p; /**< pointer to dynamically allocated value slots
* in the top-most chunk */
uint32_t current_slot_index; /**< index of first free slot in the top chunk */
ecma_value_t inlined_values[VM_STACK_FRAME_INLINED_VALUES_NUMBER]; /**< place for values inlined into stack frame
* (instead of being placed on heap) */
ecma_value_t *regs_p; /**< register variables */
int32_t regs_number; /**< number of register variables */
} vm_stack_frame_t;
extern void vm_stack_init (void);
extern void vm_stack_finalize (void);
extern vm_stack_frame_t*
vm_stack_get_top_frame (void);
extern void
vm_stack_add_frame (vm_stack_frame_t *frame_p,
ecma_value_t *regs_p,
int32_t regs_num);
extern void vm_stack_free_frame (vm_stack_frame_t *frame_p);
extern ecma_value_t vm_stack_frame_get_reg_value (vm_stack_frame_t *frame_p, int32_t reg_index);
extern void vm_stack_frame_set_reg_value (vm_stack_frame_t *frame_p, int32_t reg_index, ecma_value_t value);
extern void vm_stack_push_value (vm_stack_frame_t *frame_p, ecma_value_t value);
extern ecma_value_t vm_stack_top_value (vm_stack_frame_t *frame_p);
extern void vm_stack_pop (vm_stack_frame_t *frame_p);
extern void vm_stack_pop_multiple (vm_stack_frame_t *frame_p, uint32_t number);
/**
* @}
* @}
*/
#endif /* !VM_STACK_H */