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dis-bench / src /php /php-src /ext /opcache /jit /zend_jit.h
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/*
+----------------------------------------------------------------------+
| Zend JIT |
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Dmitry Stogov <dmitry@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef HAVE_JIT_H
#define HAVE_JIT_H
#if defined(__x86_64__) || defined(i386) || defined(ZEND_WIN32)
# define ZEND_JIT_TARGET_X86 1
# define ZEND_JIT_TARGET_ARM64 0
#elif defined (__aarch64__)
# define ZEND_JIT_TARGET_X86 0
# define ZEND_JIT_TARGET_ARM64 1
#else
# error "JIT not supported on this platform"
#endif
#define ZEND_JIT_LEVEL_NONE 0 /* no JIT */
#define ZEND_JIT_LEVEL_MINIMAL 1 /* minimal JIT (subroutine threading) */
#define ZEND_JIT_LEVEL_INLINE 2 /* selective inline threading */
#define ZEND_JIT_LEVEL_OPT_FUNC 3 /* optimized JIT based on Type-Inference */
#define ZEND_JIT_LEVEL_OPT_FUNCS 4 /* optimized JIT based on Type-Inference and call-tree */
#define ZEND_JIT_LEVEL_OPT_SCRIPT 5 /* optimized JIT based on Type-Inference and inner-procedure analysis */
#define ZEND_JIT_ON_SCRIPT_LOAD 0
#define ZEND_JIT_ON_FIRST_EXEC 1
#define ZEND_JIT_ON_PROF_REQUEST 2 /* compile the most frequently caled on first request functions */
#define ZEND_JIT_ON_HOT_COUNTERS 3 /* compile functions after N calls or loop iterations */
#define ZEND_JIT_ON_DOC_COMMENT 4 /* compile functions with "@jit" tag in doc-comments */
#define ZEND_JIT_ON_HOT_TRACE 5 /* trace functions after N calls or loop iterations */
#define ZEND_JIT_REG_ALLOC_LOCAL (1<<0) /* local linear scan register allocation */
#define ZEND_JIT_REG_ALLOC_GLOBAL (1<<1) /* global linear scan register allocation */
#define ZEND_JIT_CPU_AVX (1<<2) /* use AVX instructions, if available */
#define ZEND_JIT_DEFAULT_BUFFER_SIZE "64M"
#define ZEND_JIT_COUNTER_INIT 32531
#define ZEND_JIT_DEBUG_ASM (1<<0)
#define ZEND_JIT_DEBUG_SSA (1<<1)
#define ZEND_JIT_DEBUG_REG_ALLOC (1<<2)
#define ZEND_JIT_DEBUG_ASM_STUBS (1<<3)
#define ZEND_JIT_DEBUG_PERF (1<<4)
#define ZEND_JIT_DEBUG_PERF_DUMP (1<<5)
#define ZEND_JIT_DEBUG_VTUNE (1<<7)
#define ZEND_JIT_DEBUG_GDB (1<<8)
#define ZEND_JIT_DEBUG_SIZE (1<<9)
#define ZEND_JIT_DEBUG_ASM_ADDR (1<<10)
#define ZEND_JIT_DEBUG_TRACE_START (1<<12)
#define ZEND_JIT_DEBUG_TRACE_STOP (1<<13)
#define ZEND_JIT_DEBUG_TRACE_COMPILED (1<<14)
#define ZEND_JIT_DEBUG_TRACE_EXIT (1<<15)
#define ZEND_JIT_DEBUG_TRACE_ABORT (1<<16)
#define ZEND_JIT_DEBUG_TRACE_BLACKLIST (1<<17)
#define ZEND_JIT_DEBUG_TRACE_BYTECODE (1<<18)
#define ZEND_JIT_DEBUG_TRACE_TSSA (1<<19)
#define ZEND_JIT_DEBUG_TRACE_EXIT_INFO (1<<20)
#define ZEND_JIT_DEBUG_IR_SRC (1<<24)
#define ZEND_JIT_DEBUG_IR_FINAL (1<<25)
#define ZEND_JIT_DEBUG_IR_AFTER_SCCP (1<<26)
#define ZEND_JIT_DEBUG_IR_AFTER_CFG (1<<27)
#define ZEND_JIT_DEBUG_IR_AFTER_GCM (1<<28)
#define ZEND_JIT_DEBUG_IR_AFTER_SCHEDULE (1<<29)
#define ZEND_JIT_DEBUG_IR_AFTER_REGS (1<<30)
#define ZEND_JIT_DEBUG_IR_CODEGEN (1U<<31)
#define ZEND_JIT_DEBUG_PERSISTENT 0x1f0 /* profile and debugger flags can't be changed at run-time */
#define ZEND_JIT_TRACE_MAX_LENGTH 1024 /* max length of single trace */
#define ZEND_JIT_TRACE_MAX_EXITS 512 /* max number of side exits per trace */
#define ZEND_JIT_TRACE_MAX_FUNCS 30 /* max number of different functions in a single trace */
#define ZEND_JIT_TRACE_MAX_CALL_DEPTH 10 /* max depth of inlined calls */
#define ZEND_JIT_TRACE_MAX_RET_DEPTH 4 /* max depth of inlined returns */
#define ZEND_JIT_TRACE_MAX_LOOPS_UNROLL 10 /* max number of unrolled loops */
#define ZEND_JIT_TRACE_BAD_ROOT_SLOTS 64 /* number of slots in bad root trace cache */
typedef struct _zend_jit_trace_rec zend_jit_trace_rec;
typedef struct _zend_jit_trace_stack_frame zend_jit_trace_stack_frame;
typedef struct _sym_node zend_sym_node;
extern bool zend_jit_startup_ok;
typedef struct _zend_jit_globals {
bool enabled;
bool on;
uint8_t trigger;
uint8_t opt_level;
uint32_t opt_flags;
const char *options;
zend_long buffer_size;
zend_long debug;
zend_long bisect_limit;
double prof_threshold;
zend_long max_root_traces; /* max number of root traces */
zend_long max_side_traces; /* max number of side traces (per root trace) */
zend_long max_exit_counters; /* max total number of side exits for all traces */
zend_long hot_loop;
zend_long hot_func;
zend_long hot_return;
zend_long hot_side_exit; /* number of exits before taking side trace */
zend_long blacklist_root_trace; /* number of attempts to JIT a root trace before blacklist it */
zend_long blacklist_side_trace; /* number of attempts to JIT a side trace before blacklist it */
zend_long max_loop_unrolls; /* max number of unrolled loops */
zend_long max_recursive_calls; /* max number of recursive inlined call unrolls */
zend_long max_recursive_returns; /* max number of recursive inlined return unrolls */
zend_long max_polymorphic_calls; /* max number of inlined polymorphic calls */
zend_long max_trace_length; /* max length of a single trace */
zend_sym_node *symbols; /* symbols for disassembler */
bool tracing;
zend_jit_trace_rec *current_trace;
zend_jit_trace_stack_frame *current_frame;
const zend_op *bad_root_cache_opline[ZEND_JIT_TRACE_BAD_ROOT_SLOTS];
uint8_t bad_root_cache_count[ZEND_JIT_TRACE_BAD_ROOT_SLOTS];
uint8_t bad_root_cache_stop[ZEND_JIT_TRACE_BAD_ROOT_SLOTS];
uint32_t bad_root_slot;
uint8_t *exit_counters;
} zend_jit_globals;
#ifdef ZTS
# define JIT_G(v) ZEND_TSRMG(jit_globals_id, zend_jit_globals *, v)
extern int jit_globals_id;
#else
# define JIT_G(v) (jit_globals.v)
extern zend_jit_globals jit_globals;
#endif
int zend_jit_op_array(zend_op_array *op_array, zend_script *script);
int zend_jit_script(zend_script *script);
void zend_jit_unprotect(void);
void zend_jit_protect(void);
void zend_jit_init(void);
int zend_jit_config(zend_string *jit_options, int stage);
int zend_jit_debug_config(zend_long old_val, zend_long new_val, int stage);
int zend_jit_check_support(void);
void zend_jit_startup(void *jit_buffer, size_t size, bool reattached);
void zend_jit_shutdown(void);
void zend_jit_activate(void);
void zend_jit_deactivate(void);
ZEND_EXT_API void zend_jit_status(zval *ret);
ZEND_EXT_API void zend_jit_blacklist_function(zend_op_array *op_array);
void zend_jit_restart(void);
#define ZREG_LOAD (1<<0)
#define ZREG_STORE (1<<1)
#define ZREG_LAST_USE (1<<2)
#define ZREG_PI (1<<3)
#define ZREG_PHI (1<<4)
#define ZREG_FORWARD (1<<5)
#define ZREG_SPILL_SLOT (1<<3)
#define ZREG_CONST (1<<4)
#define ZREG_ZVAL_COPY (2<<4)
#define ZREG_TYPE_ONLY (3<<4)
#define ZREG_ZVAL_ADDREF (4<<4)
#define ZREG_THIS (5<<4)
#define ZREG_NONE -1
#endif /* HAVE_JIT_H */