root/ext/opcache/Optimizer/zend_optimizer_internal.h

INCLUDED FROM

   1 /*
   2    +----------------------------------------------------------------------+
   3    | Zend OPcache                                                         |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 1998-2016 The PHP Group                                |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15    | Authors: Andi Gutmans <andi@zend.com>                                |
  16    |          Zeev Suraski <zeev@zend.com>                                |
  17    |          Stanislav Malyshev <stas@zend.com>                          |
  18    |          Dmitry Stogov <dmitry@zend.com>                             |
  19    +----------------------------------------------------------------------+
  20 */
  21 
  22 #ifndef ZEND_OPTIMIZER_INTERNAL_H
  23 #define ZEND_OPTIMIZER_INTERNAL_H
  24 
  25 #include "ZendAccelerator.h"
  26 
  27 #if ZEND_EXTENSION_API_NO > PHP_5_4_X_API_NO
  28 # define VAR_NUM(v) ((zend_uint)(EX_TMP_VAR_NUM(0, 0) - EX_TMP_VAR(0, v)))
  29 # define NUM_VAR(v) ((zend_uint)(zend_uintptr_t)EX_TMP_VAR_NUM(0, v))
  30 #elif ZEND_EXTENSION_API_NO > PHP_5_2_X_API_NO
  31 # define VAR_NUM(v) ((v)/ZEND_MM_ALIGNED_SIZE(sizeof(temp_variable)))
  32 # define NUM_VAR(v) ((v)*ZEND_MM_ALIGNED_SIZE(sizeof(temp_variable)))
  33 #else
  34 # define VAR_NUM(v) ((v)/(sizeof(temp_variable)))
  35 # define NUM_VAR(v) ((v)*(sizeof(temp_variable)))
  36 #endif
  37 
  38 #define INV_COND(op)       ((op) == ZEND_JMPZ    ? ZEND_JMPNZ    : ZEND_JMPZ)
  39 #define INV_EX_COND(op)    ((op) == ZEND_JMPZ_EX ? ZEND_JMPNZ    : ZEND_JMPZ)
  40 #define INV_COND_EX(op)    ((op) == ZEND_JMPZ    ? ZEND_JMPNZ_EX : ZEND_JMPZ_EX)
  41 #define INV_EX_COND_EX(op) ((op) == ZEND_JMPZ_EX ? ZEND_JMPNZ_EX : ZEND_JMPZ_EX)
  42 
  43 #if ZEND_EXTENSION_API_NO > PHP_5_3_X_API_NO
  44 # define MAKE_NOP(opline)       { opline->opcode = ZEND_NOP;  memset(&opline->result,0,sizeof(opline->result)); memset(&opline->op1,0,sizeof(opline->op1)); memset(&opline->op2,0,sizeof(opline->op2)); opline->result_type=opline->op1_type=opline->op2_type=IS_UNUSED; opline->handler = zend_opcode_handlers[ZEND_NOP]; }
  45 # define RESULT_USED(op)        (((op->result_type & IS_VAR) && !(op->result_type & EXT_TYPE_UNUSED)) || op->result_type == IS_TMP_VAR)
  46 # define RESULT_UNUSED(op)      ((op->result_type & EXT_TYPE_UNUSED) != 0)
  47 # define SAME_VAR(op1, op2) ((((op1 ## _type & IS_VAR) && (op2 ## _type & IS_VAR)) || (op1 ## _type == IS_TMP_VAR && op2 ## _type == IS_TMP_VAR)) && op1.var == op2.var)
  48 #else
  49 # define MAKE_NOP(opline)       { opline->opcode = ZEND_NOP;  memset(&opline->result,0,sizeof(znode)); memset(&opline->op1,0,sizeof(znode)); memset(&opline->op2,0,sizeof(znode)); opline->result.op_type=opline->op1.op_type=opline->op2.op_type=IS_UNUSED; opline->handler = zend_opcode_handlers[ZEND_NOP]; }
  50 # define RESULT_USED(op)        ((op->result.op_type == IS_VAR && (op->result.u.EA.type & EXT_TYPE_UNUSED) == 0) || (op->result.op_type == IS_TMP_VAR))
  51 # define RESULT_UNUSED(op)      ((op->result.op_type == IS_VAR) && (op->result.u.EA.type == EXT_TYPE_UNUSED))
  52 # define SAME_VAR(op1, op2)     (((op1.op_type == IS_VAR && op2.op_type == IS_VAR) || (op1.op_type == IS_TMP_VAR && op2.op_type == IS_TMP_VAR)) && op1.u.var == op2.u.var)
  53 #endif
  54 
  55 typedef struct _zend_code_block zend_code_block;
  56 typedef struct _zend_block_source zend_block_source;
  57 
  58 struct _zend_code_block {
  59         int                 access;
  60         zend_op            *start_opline;
  61         int                 start_opline_no;
  62         int                 len;
  63         zend_code_block    *op1_to;
  64         zend_code_block    *op2_to;
  65         zend_code_block    *ext_to;
  66         zend_code_block    *follow_to;
  67         zend_code_block    *next;
  68         zend_block_source  *sources;
  69         zend_bool           protected; /* don't merge this block with others */
  70 };
  71 
  72 typedef struct _zend_cfg {
  73         zend_code_block    *blocks;
  74         zend_code_block   **try;
  75         zend_code_block   **catch;
  76         zend_code_block   **loop_start;
  77         zend_code_block   **loop_cont;
  78         zend_code_block   **loop_brk;
  79 } zend_cfg;
  80 
  81 struct _zend_block_source {
  82         zend_code_block    *from;
  83         zend_block_source  *next;
  84 };
  85 
  86 #endif