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julia.h
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julia.h
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// This file is a part of Julia. License is MIT: http://julialang.org/license
#ifndef JULIA_H
#define JULIA_H
#ifdef __cplusplus
extern "C" {
#endif
//** Configuration options that affect the Julia ABI **//
// if this is not defined, only individual dimension sizes are
// stored and not total length, to save space.
#define STORE_ARRAY_LEN
//** End Configuration options **//
#include "libsupport.h"
#include <stdint.h>
#include <string.h>
#include "htable.h"
#include "arraylist.h"
#include <setjmp.h>
#ifndef _OS_WINDOWS_
# define jl_jmp_buf sigjmp_buf
# if defined(_CPU_ARM_)
# define MAX_ALIGN 8
# elif defined(_CPU_AARCH64_)
// int128 is 16 bytes aligned on aarch64
# define MAX_ALIGN 16
# else
# define MAX_ALIGN sizeof(void*)
# endif
#else
# define jl_jmp_buf jmp_buf
# include <malloc.h> //for _resetstkoflw
# define MAX_ALIGN 8
#endif
#ifdef _P64
#define NWORDS(sz) (((sz)+7)>>3)
#else
#define NWORDS(sz) (((sz)+3)>>2)
#endif
#if defined(__GNUC__)
# define JL_NORETURN __attribute__ ((noreturn))
# define JL_CONST_FUNC __attribute__((const))
#elif defined(_COMPILER_MICROSOFT_)
# define JL_NORETURN __declspec(noreturn)
// This is the closest I can find for __attribute__((const))
# define JL_CONST_FUNC __declspec(noalias)
#else
# define JL_NORETURN
# define JL_CONST_FUNC
#endif
#define container_of(ptr, type, member) \
((type *) ((char *)(ptr) - offsetof(type, member)))
// threading ------------------------------------------------------------------
// WARNING: Threading support is incomplete and experimental
// Nonetheless, we define JL_THREAD and use it to give advanced notice to
// maintainers of what eventual threading support will change.
#define JL_MAX_BT_SIZE 80000
// Define this struct early so that we are free to use it in the inline
// functions below.
typedef struct _jl_tls_states_t {
struct _jl_gcframe_t *pgcstack;
struct _jl_value_t *exception_in_transit;
// Whether it is safe to execute GC at the same time.
#define JL_GC_STATE_WAITING 1
// gc_state = 1 means the thread is doing GC or is waiting for the GC to
// finish.
#define JL_GC_STATE_SAFE 2
// gc_state = 2 means the thread is running unmanaged code that can be
// execute at the same time with the GC.
volatile int8_t gc_state;
volatile int8_t in_finalizer;
int8_t disable_gc;
struct _jl_thread_heap_t *heap;
struct _jl_module_t *current_module;
struct _jl_task_t *volatile current_task;
struct _jl_task_t *root_task;
struct _jl_value_t *volatile task_arg_in_transit;
void *stackbase;
char *stack_lo;
char *stack_hi;
jl_jmp_buf *volatile jmp_target;
jl_jmp_buf base_ctx; // base context of stack
int8_t in_jl_;
int16_t tid;
size_t bt_size;
intptr_t bt_data[JL_MAX_BT_SIZE + 1];
} jl_tls_states_t;
// JULIA_ENABLE_THREADING is switched on in Make.inc if JULIA_THREADS is
// set (in Make.user)
#ifdef JULIA_ENABLE_THREADING
JL_DLLEXPORT extern volatile size_t *jl_gc_signal_page;
STATIC_INLINE void jl_gc_safepoint(void)
{
// This triggers a SegFault when we are in GC
// Assign it to a variable to make sure the compiler emit the load
// and to avoid Clang warning for -Wunused-volatile-lvalue
size_t v = *jl_gc_signal_page;
(void)v;
}
#else // JULIA_ENABLE_THREADING
#define jl_gc_safepoint()
#endif // JULIA_ENABLE_THREADING
JL_DLLEXPORT int16_t jl_threadid(void);
JL_DLLEXPORT void *jl_threadgroup(void);
JL_DLLEXPORT void jl_cpu_pause(void);
JL_DLLEXPORT void jl_threading_profile(void);
#if defined(__GNUC__)
# define JL_ATOMIC_FETCH_AND_ADD(a,b) \
__sync_fetch_and_add(&(a), (b))
// Returns the original value of `a`
# define JL_ATOMIC_COMPARE_AND_SWAP(a,b,c) \
__sync_val_compare_and_swap(&(a), (b), (c))
# define JL_ATOMIC_TEST_AND_SET(a) \
__sync_lock_test_and_set(&(a), 1)
# define JL_ATOMIC_RELEASE(a) \
__sync_lock_release(&(a))
#elif defined(_OS_WINDOWS_)
# define JL_ATOMIC_FETCH_AND_ADD(a,b) \
_InterlockedExchangeAdd((volatile LONG *)&(a), (b))
// Returns the original value of `a`
# define JL_ATOMIC_COMPARE_AND_SWAP(a,b,c) \
_InterlockedCompareExchange64((volatile LONG64 *)&(a), (c), (b))
# define JL_ATOMIC_TEST_AND_SET(a) \
_InterlockedExchange64(&(a), 1)
# define JL_ATOMIC_RELEASE(a) \
(void)_InterlockedExchange64(&(a), 0)
#else
# error "No atomic operations supported."
#endif
#ifdef JULIA_ENABLE_THREADING
#define JL_DEFINE_MUTEX(m) \
uint64_t volatile m ## _mutex = 0; \
int32_t m ## _lock_count = 0; \
void jl_unlock_## m ## _func(void) \
{ \
JL_UNLOCK_RAW(m); \
}
#define JL_DEFINE_MUTEX_EXT(m) \
extern uint64_t volatile m ## _mutex; \
extern int32_t m ## _lock_count; \
void jl_unlock_## m ## _func(void);
#define JL_LOCK_WAIT(m, wait_ex) do { \
if (m ## _mutex == uv_thread_self()) { \
++m ## _lock_count; \
} \
else { \
for (;;) { \
if (m ## _mutex == 0 && \
JL_ATOMIC_COMPARE_AND_SWAP(m ## _mutex, 0, \
uv_thread_self()) == 0) { \
m ## _lock_count = 1; \
break; \
} \
wait_ex; \
jl_cpu_pause(); \
} \
} \
} while (0)
#define JL_UNLOCK_RAW(m) do { \
if (m ## _mutex == uv_thread_self()) { \
--m ## _lock_count; \
if (m ## _lock_count == 0) { \
JL_ATOMIC_COMPARE_AND_SWAP(m ## _mutex, uv_thread_self(), 0); \
} \
} \
else { \
assert(0 && "Unlocking a lock in a different thread."); \
} \
} while (0)
// JL_LOCK is a GC safe point while JL_LOCK_NOGC is not
// Always use JL_LOCK unless no one holding the lock can trigger a GC or GC
// safepoint. JL_LOCK_NOGC should only be needed for GC internal locks.
#define JL_LOCK(m) do { \
JL_LOCK_WAIT(m, jl_gc_safepoint()); \
jl_lock_frame_push(jl_unlock_## m ## _func); \
} while (0)
#define JL_UNLOCK(m) do { \
JL_UNLOCK_RAW(m); \
if (__likely(jl_current_task)) \
jl_current_task->locks.len--; \
} while (0)
#define JL_LOCK_NOGC(m) JL_LOCK_WAIT(m, )
#define JL_UNLOCK_NOGC(m) JL_UNLOCK_RAW(m)
#else
#define JL_DEFINE_MUTEX(m)
#define JL_DEFINE_MUTEX_EXT(m)
#define JL_LOCK(m) do {} while (0)
#define JL_UNLOCK(m) do {} while (0)
#define JL_LOCK_NOGC(m) do {} while (0)
#define JL_UNLOCK_NOGC(m) do {} while (0)
#endif
// core data types ------------------------------------------------------------
#define JL_DATA_TYPE
typedef struct _jl_value_t jl_value_t;
// typedef struct _jl_value_t {
// JL_DATA_TYPE
// struct _jl_value_t *fieldptr[];
// } jl_value_t;
typedef struct {
union {
jl_value_t *type; // 16-bytes aligned
uintptr_t type_bits;
uintptr_t gc_bits:2;
};
// jl_value_t value;
} jl_taggedvalue_t;
#define jl_astaggedvalue(v) \
((jl_taggedvalue_t*)((char*)(v) - sizeof(jl_taggedvalue_t)))
#define jl_valueof(v) \
((jl_value_t*)((char*)(v) + sizeof(jl_taggedvalue_t)))
#define jl_typeof(v) \
((jl_value_t*)(jl_astaggedvalue(v)->type_bits & ~(uintptr_t)15))
static inline void jl_set_typeof(void *v, void *t)
{
jl_taggedvalue_t *tag = jl_astaggedvalue(v);
tag->type = (jl_value_t*)t;
}
#define jl_typeis(v,t) (jl_typeof(v)==(jl_value_t*)(t))
typedef struct _jl_sym_t {
JL_DATA_TYPE
struct _jl_sym_t *left;
struct _jl_sym_t *right;
uintptr_t hash; // precomputed hash value
// JL_ATTRIBUTE_ALIGN_PTRSIZE(char name[]);
} jl_sym_t;
typedef struct _jl_gensym_t {
JL_DATA_TYPE
ssize_t id;
} jl_gensym_t;
typedef struct {
JL_DATA_TYPE
size_t length;
// pointer size aligned
// jl_value_t *data[];
} jl_svec_t;
typedef struct {
/*
how - allocation style
0 = data is inlined, or a foreign pointer we don't manage
1 = julia-allocated buffer that needs to be marked
2 = malloc-allocated pointer this array object manages
3 = has a pointer to the Array that owns the data
*/
uint16_t how:2;
uint16_t ndims:10;
uint16_t pooled:1;
uint16_t ptrarray:1; // representation is pointer array
uint16_t isshared:1; // data is shared by multiple Arrays
uint16_t isaligned:1; // data allocated with memalign
} jl_array_flags_t;
typedef struct {
JL_DATA_TYPE
void *data;
#ifdef STORE_ARRAY_LEN
size_t length;
#endif
jl_array_flags_t flags;
uint16_t elsize;
uint32_t offset; // for 1-d only. does not need to get big.
size_t nrows;
union {
// 1d
size_t maxsize;
// Nd
size_t ncols;
};
// other dim sizes go here for ndims > 2
// followed by alignment padding and inline data, or owner pointer
} jl_array_t;
// compute # of extra words needed to store dimensions
STATIC_INLINE int jl_array_ndimwords(uint32_t ndims)
{
return (ndims < 3 ? 0 : ndims-2);
}
typedef jl_value_t *(*jl_fptr_t)(jl_value_t*, jl_value_t**, uint32_t);
typedef jl_value_t *(*jl_fptr_sparam_t)(jl_svec_t*, jl_value_t*, jl_value_t**, uint32_t);
typedef struct _jl_datatype_t jl_tupletype_t;
typedef struct _jl_llvm_functions_t {
void *functionObject; // jlcall llvm Function
void *cFunctionList; // c callable llvm Functions
// specialized llvm Function (common core for the other two)
void *specFunctionObject;
} jl_llvm_functions_t;
typedef struct _jl_lambda_info_t {
JL_DATA_TYPE
// this holds the static data for a function:
// a syntax tree, static parameters, and (if it has been compiled)
// a function pointer.
// this is the stuff that's shared among different instantiations
// (different environments) of a closure.
jl_value_t *ast;
jl_value_t *rettype;
// sparams is a vector of values indexed by symbols
jl_svec_t *sparam_syms;
jl_svec_t *sparam_vals;
jl_value_t *tfunc;
jl_sym_t *name; // for error reporting
jl_array_t *roots; // pointers in generated code
jl_tupletype_t *specTypes; // argument types this will be compiled for
// a slower-but-works version of this function as a fallback
struct _jl_lambda_info_t *unspecialized;
// array of all lambda infos with code generated from this one
jl_array_t *specializations;
struct _jl_module_t *module;
struct _jl_lambda_info_t *def; // original this is specialized from
jl_sym_t *file;
int32_t line;
int8_t inferred;
int8_t pure;
uint8_t called; // bit flags: whether each of the first 8 arguments is called
// hidden fields:
uint8_t jlcall_api : 1; // the c-abi for fptr; 0 = jl_fptr_t, 1 = jl_fptr_sparam_t
uint8_t inInference : 1; // flags to tell if inference is running on this function
// used to avoid infinite recursion
uint8_t inCompile : 1;
uint8_t needs_sparam_vals_ducttape : 1; // if there are intrinsic calls,
// probably require the sparams to compile successfully
// (and so unspecialized will be created for each linfo instead of linfo->def)
jl_fptr_t fptr; // jlcall entry point
// On the old JIT, handles to all Functions generated for this linfo
// For the new JITs, handles to declarations in the shadow module
// with the same name as the generated functions for this linfo, suitable
// for referencing in LLVM IR
jl_llvm_functions_t functionObjects;
int32_t functionID; // index that this function will have in the codegen table
int32_t specFunctionID; // index that this specFunction will have in the codegen table
} jl_lambda_info_t;
typedef jl_value_t jl_function_t;
typedef struct {
JL_DATA_TYPE
jl_svec_t *parameters;
jl_value_t *body;
} jl_typector_t;
typedef struct {
JL_DATA_TYPE
jl_sym_t *name;
struct _jl_module_t *module;
jl_svec_t *names; // field names
// if this is the name of a parametric type, this field points to the
// original type.
// a type alias, for example, might make a type constructor that is
// not the original.
jl_value_t *primary;
jl_svec_t *cache; // sorted array
jl_svec_t *linearcache; // unsorted array
intptr_t uid;
struct _jl_methtable_t *mt;
} jl_typename_t;
typedef struct {
JL_DATA_TYPE
jl_svec_t *types;
} jl_uniontype_t;
typedef struct {
uint8_t offset; // offset relative to data start, excluding type tag
uint8_t size:7;
uint8_t isptr:1;
} jl_fielddesc8_t;
typedef struct {
uint16_t offset; // offset relative to data start, excluding type tag
uint16_t size:15;
uint16_t isptr:1;
} jl_fielddesc16_t;
typedef struct {
uint32_t offset; // offset relative to data start, excluding type tag
uint32_t size:31;
uint32_t isptr:1;
} jl_fielddesc32_t;
typedef struct _jl_datatype_t {
JL_DATA_TYPE
jl_typename_t *name;
struct _jl_datatype_t *super;
jl_svec_t *parameters;
jl_svec_t *types;
jl_value_t *instance; // for singletons
int32_t size;
uint8_t abstract;
uint8_t mutabl;
uint8_t pointerfree;
int32_t ninitialized;
// hidden fields:
uint32_t nfields;
uint32_t alignment : 29; // strictest alignment over all fields
uint32_t haspadding : 1; // has internal undefined bytes
uint32_t fielddesc_type : 2; // 0 -> 8, 1 -> 16, 2 -> 32
uint32_t uid;
void *struct_decl; //llvm::Type*
void *ditype; // llvm::MDNode* to be used as llvm::DIType(ditype)
// Last field needs to be pointer size aligned
// union {
// jl_fielddesc8_t field8[];
// jl_fielddesc16_t field16[];
// jl_fielddesc32_t field32[];
// };
} jl_datatype_t;
typedef struct {
JL_DATA_TYPE
jl_sym_t *name;
jl_value_t *lb; // lower bound
jl_value_t *ub; // upper bound
uint8_t bound; // part of a constraint environment
} jl_tvar_t;
typedef struct {
JL_DATA_TYPE
jl_value_t *value;
} jl_weakref_t;
typedef struct {
// not first-class
jl_sym_t *name;
jl_value_t *value;
jl_value_t *globalref; // cached GlobalRef for this binding
struct _jl_module_t *owner; // for individual imported bindings
unsigned constp:1;
unsigned exportp:1;
unsigned imported:1;
unsigned deprecated:1;
} jl_binding_t;
typedef struct _jl_module_t {
JL_DATA_TYPE
jl_sym_t *name;
struct _jl_module_t *parent;
htable_t bindings;
arraylist_t usings; // modules with all bindings potentially imported
uint8_t istopmod;
uint8_t std_imports; // only for temporarily deprecating `importall Base.Operators`
uint64_t uuid;
uint32_t counter;
} jl_module_t;
typedef struct _jl_methlist_t {
JL_DATA_TYPE
jl_tupletype_t *sig;
int8_t va;
int8_t isstaged;
jl_svec_t *tvars;
jl_lambda_info_t *func;
// cache of specializations of this method for invoke(), i.e.
// cases where this method was called even though it was not necessarily
// the most specific for the argument types.
struct _jl_methtable_t *invokes;
// TODO: pointer from specialized to original method
//jl_function_t *orig_method;
struct _jl_methlist_t *next;
} jl_methlist_t;
typedef struct _jl_methtable_t {
JL_DATA_TYPE
jl_sym_t *name;
jl_methlist_t *defs;
jl_methlist_t *cache;
jl_array_t *cache_arg1;
jl_array_t *cache_targ;
intptr_t max_args; // max # of non-vararg arguments in a signature
jl_value_t *kwsorter; // keyword argument sorter function
jl_module_t *module; // used for incremental serialization to locate original binding
#ifdef JL_GF_PROFILE
int ncalls;
#endif
} jl_methtable_t;
typedef struct {
JL_DATA_TYPE
jl_sym_t *head;
jl_array_t *args;
jl_value_t *etype;
} jl_expr_t;
// constants and type objects -------------------------------------------------
extern JL_DLLEXPORT jl_datatype_t *jl_any_type;
extern JL_DLLEXPORT jl_datatype_t *jl_type_type;
extern JL_DLLEXPORT jl_tvar_t *jl_typetype_tvar;
extern JL_DLLEXPORT jl_datatype_t *jl_typetype_type;
extern JL_DLLEXPORT jl_value_t *jl_ANY_flag;
extern JL_DLLEXPORT jl_datatype_t *jl_typename_type;
extern JL_DLLEXPORT jl_datatype_t *jl_typector_type;
extern JL_DLLEXPORT jl_datatype_t *jl_sym_type;
extern JL_DLLEXPORT jl_datatype_t *jl_symbol_type;
extern JL_DLLEXPORT jl_datatype_t *jl_gensym_type;
extern JL_DLLEXPORT jl_datatype_t *jl_simplevector_type;
extern JL_DLLEXPORT jl_typename_t *jl_tuple_typename;
extern JL_DLLEXPORT jl_datatype_t *jl_anytuple_type;
#define jl_tuple_type jl_anytuple_type
extern JL_DLLEXPORT jl_datatype_t *jl_ntuple_type;
extern JL_DLLEXPORT jl_typename_t *jl_ntuple_typename;
extern JL_DLLEXPORT jl_datatype_t *jl_vararg_type;
extern JL_DLLEXPORT jl_datatype_t *jl_tvar_type;
extern JL_DLLEXPORT jl_datatype_t *jl_task_type;
extern JL_DLLEXPORT jl_datatype_t *jl_function_type;
extern JL_DLLEXPORT jl_datatype_t *jl_builtin_type;
extern JL_DLLEXPORT jl_datatype_t *jl_uniontype_type;
extern JL_DLLEXPORT jl_datatype_t *jl_datatype_type;
extern JL_DLLEXPORT jl_value_t *jl_bottom_type;
extern JL_DLLEXPORT jl_datatype_t *jl_lambda_info_type;
extern JL_DLLEXPORT jl_datatype_t *jl_module_type;
extern JL_DLLEXPORT jl_datatype_t *jl_abstractarray_type;
extern JL_DLLEXPORT jl_datatype_t *jl_densearray_type;
extern JL_DLLEXPORT jl_datatype_t *jl_array_type;
extern JL_DLLEXPORT jl_typename_t *jl_array_typename;
extern JL_DLLEXPORT jl_datatype_t *jl_weakref_type;
extern JL_DLLEXPORT jl_datatype_t *jl_ascii_string_type;
extern JL_DLLEXPORT jl_datatype_t *jl_utf8_string_type;
extern JL_DLLEXPORT jl_datatype_t *jl_errorexception_type;
extern JL_DLLEXPORT jl_datatype_t *jl_argumenterror_type;
extern JL_DLLEXPORT jl_datatype_t *jl_loaderror_type;
extern JL_DLLEXPORT jl_datatype_t *jl_initerror_type;
extern JL_DLLEXPORT jl_datatype_t *jl_typeerror_type;
extern JL_DLLEXPORT jl_datatype_t *jl_methoderror_type;
extern JL_DLLEXPORT jl_datatype_t *jl_undefvarerror_type;
extern JL_DLLEXPORT jl_value_t *jl_stackovf_exception;
extern JL_DLLEXPORT jl_value_t *jl_memory_exception;
extern JL_DLLEXPORT jl_value_t *jl_readonlymemory_exception;
extern JL_DLLEXPORT jl_value_t *jl_diverror_exception;
extern JL_DLLEXPORT jl_value_t *jl_domain_exception;
extern JL_DLLEXPORT jl_value_t *jl_overflow_exception;
extern JL_DLLEXPORT jl_value_t *jl_inexact_exception;
extern JL_DLLEXPORT jl_value_t *jl_undefref_exception;
extern JL_DLLEXPORT jl_value_t *jl_interrupt_exception;
extern JL_DLLEXPORT jl_datatype_t *jl_boundserror_type;
extern JL_DLLEXPORT jl_value_t *jl_an_empty_cell;
extern JL_DLLEXPORT jl_datatype_t *jl_bool_type;
extern JL_DLLEXPORT jl_datatype_t *jl_char_type;
extern JL_DLLEXPORT jl_datatype_t *jl_int8_type;
extern JL_DLLEXPORT jl_datatype_t *jl_uint8_type;
extern JL_DLLEXPORT jl_datatype_t *jl_int16_type;
extern JL_DLLEXPORT jl_datatype_t *jl_uint16_type;
extern JL_DLLEXPORT jl_datatype_t *jl_int32_type;
extern JL_DLLEXPORT jl_datatype_t *jl_uint32_type;
extern JL_DLLEXPORT jl_datatype_t *jl_int64_type;
extern JL_DLLEXPORT jl_datatype_t *jl_uint64_type;
extern JL_DLLEXPORT jl_datatype_t *jl_float16_type;
extern JL_DLLEXPORT jl_datatype_t *jl_float32_type;
extern JL_DLLEXPORT jl_datatype_t *jl_float64_type;
extern JL_DLLEXPORT jl_datatype_t *jl_floatingpoint_type;
extern JL_DLLEXPORT jl_datatype_t *jl_number_type;
extern JL_DLLEXPORT jl_datatype_t *jl_void_type;
extern JL_DLLEXPORT jl_datatype_t *jl_complex_type;
extern JL_DLLEXPORT jl_datatype_t *jl_signed_type;
extern JL_DLLEXPORT jl_datatype_t *jl_voidpointer_type;
extern JL_DLLEXPORT jl_datatype_t *jl_pointer_type;
extern JL_DLLEXPORT jl_datatype_t *jl_ref_type;
extern JL_DLLEXPORT jl_value_t *jl_array_uint8_type;
extern JL_DLLEXPORT jl_value_t *jl_array_any_type;
extern JL_DLLEXPORT jl_value_t *jl_array_symbol_type;
extern JL_DLLEXPORT jl_datatype_t *jl_expr_type;
extern JL_DLLEXPORT jl_datatype_t *jl_symbolnode_type;
extern JL_DLLEXPORT jl_datatype_t *jl_globalref_type;
extern JL_DLLEXPORT jl_datatype_t *jl_linenumbernode_type;
extern JL_DLLEXPORT jl_datatype_t *jl_labelnode_type;
extern JL_DLLEXPORT jl_datatype_t *jl_gotonode_type;
extern JL_DLLEXPORT jl_datatype_t *jl_quotenode_type;
extern JL_DLLEXPORT jl_datatype_t *jl_newvarnode_type;
extern JL_DLLEXPORT jl_datatype_t *jl_topnode_type;
extern JL_DLLEXPORT jl_datatype_t *jl_intrinsic_type;
extern JL_DLLEXPORT jl_datatype_t *jl_methtable_type;
extern JL_DLLEXPORT jl_datatype_t *jl_method_type;
extern JL_DLLEXPORT jl_svec_t *jl_emptysvec;
extern JL_DLLEXPORT jl_value_t *jl_emptytuple;
extern JL_DLLEXPORT jl_value_t *jl_true;
extern JL_DLLEXPORT jl_value_t *jl_false;
extern JL_DLLEXPORT jl_value_t *jl_nothing;
// some important symbols
extern jl_sym_t *call_sym;
extern jl_sym_t *dots_sym; extern jl_sym_t *vararg_sym;
extern jl_sym_t *quote_sym; extern jl_sym_t *newvar_sym;
extern jl_sym_t *top_sym; extern jl_sym_t *dot_sym;
extern jl_sym_t *line_sym; extern jl_sym_t *toplevel_sym;
extern JL_DLLEXPORT jl_sym_t *jl_incomplete_sym;
extern jl_sym_t *error_sym; extern jl_sym_t *amp_sym;
extern jl_sym_t *module_sym; extern jl_sym_t *colons_sym;
extern jl_sym_t *export_sym; extern jl_sym_t *import_sym;
extern jl_sym_t *importall_sym; extern jl_sym_t *using_sym;
extern jl_sym_t *goto_sym; extern jl_sym_t *goto_ifnot_sym;
extern jl_sym_t *label_sym; extern jl_sym_t *return_sym;
extern jl_sym_t *lambda_sym; extern jl_sym_t *assign_sym;
extern jl_sym_t *null_sym; extern jl_sym_t *body_sym;
extern jl_sym_t *method_sym;
extern jl_sym_t *enter_sym; extern jl_sym_t *leave_sym;
extern jl_sym_t *exc_sym; extern jl_sym_t *new_sym;
extern jl_sym_t *static_typeof_sym;
extern jl_sym_t *const_sym; extern jl_sym_t *thunk_sym;
extern jl_sym_t *anonymous_sym; extern jl_sym_t *underscore_sym;
extern jl_sym_t *abstracttype_sym; extern jl_sym_t *bitstype_sym;
extern jl_sym_t *compositetype_sym; extern jl_sym_t *type_goto_sym;
extern jl_sym_t *global_sym; extern jl_sym_t *unused_sym;
extern jl_sym_t *boundscheck_sym; extern jl_sym_t *inbounds_sym;
extern jl_sym_t *copyast_sym; extern jl_sym_t *fastmath_sym;
extern jl_sym_t *pure_sym; extern jl_sym_t *simdloop_sym;
extern jl_sym_t *meta_sym; extern jl_sym_t *list_sym;
extern jl_sym_t *inert_sym;
// gc -------------------------------------------------------------------------
typedef struct _jl_gcframe_t {
size_t nroots;
struct _jl_gcframe_t *prev;
// actual roots go here
} jl_gcframe_t;
// NOTE: it is the caller's responsibility to make sure arguments are
// rooted such that the gc can see them on the stack.
// `foo(f(), g())` is not safe,
// since the result of `f()` is not rooted during the call to `g()`,
// and the arguments to foo are not gc-protected during the call to foo.
// foo can't do anything about it, so the caller must do:
// jl_value_t *x=NULL, *y=NULL; JL_GC_PUSH2(&x, &y);
// x = f(); y = g(); foo(x, y)
#define jl_pgcstack (jl_get_ptls_states()->pgcstack)
#define JL_GC_PUSH1(arg1) \
void *__gc_stkf[] = {(void*)3, jl_pgcstack, arg1}; \
jl_pgcstack = (jl_gcframe_t*)__gc_stkf;
#define JL_GC_PUSH2(arg1, arg2) \
void *__gc_stkf[] = {(void*)5, jl_pgcstack, arg1, arg2}; \
jl_pgcstack = (jl_gcframe_t*)__gc_stkf;
#define JL_GC_PUSH3(arg1, arg2, arg3) \
void *__gc_stkf[] = {(void*)7, jl_pgcstack, arg1, arg2, arg3}; \
jl_pgcstack = (jl_gcframe_t*)__gc_stkf;
#define JL_GC_PUSH4(arg1, arg2, arg3, arg4) \
void *__gc_stkf[] = {(void*)9, jl_pgcstack, arg1, arg2, arg3, arg4}; \
jl_pgcstack = (jl_gcframe_t*)__gc_stkf;
#define JL_GC_PUSH5(arg1, arg2, arg3, arg4, arg5) \
void *__gc_stkf[] = {(void*)11, jl_pgcstack, arg1, arg2, arg3, arg4, arg5}; \
jl_pgcstack = (jl_gcframe_t*)__gc_stkf;
#define JL_GC_PUSHARGS(rts_var,n) \
rts_var = ((jl_value_t**)alloca(((n)+2)*sizeof(jl_value_t*)))+2; \
((void**)rts_var)[-2] = (void*)(((size_t)n)<<1); \
((void**)rts_var)[-1] = jl_pgcstack; \
memset((void*)rts_var, 0, (n)*sizeof(jl_value_t*)); \
jl_pgcstack = (jl_gcframe_t*)&(((void**)rts_var)[-2])
#define JL_GC_POP() (jl_pgcstack = jl_pgcstack->prev)
JL_DLLEXPORT int jl_gc_enable(int on);
JL_DLLEXPORT int jl_gc_is_enabled(void);
JL_DLLEXPORT int64_t jl_gc_total_bytes(void);
JL_DLLEXPORT uint64_t jl_gc_total_hrtime(void);
JL_DLLEXPORT int64_t jl_gc_diff_total_bytes(void);
JL_DLLEXPORT void jl_gc_collect(int);
JL_DLLEXPORT void jl_gc_add_finalizer(jl_value_t *v, jl_function_t *f);
JL_DLLEXPORT void jl_finalize(jl_value_t *o);
JL_DLLEXPORT jl_weakref_t *jl_gc_new_weakref(jl_value_t *value);
JL_DLLEXPORT jl_value_t *jl_gc_alloc_0w(void);
JL_DLLEXPORT jl_value_t *jl_gc_alloc_1w(void);
JL_DLLEXPORT jl_value_t *jl_gc_alloc_2w(void);
JL_DLLEXPORT jl_value_t *jl_gc_alloc_3w(void);
JL_DLLEXPORT jl_value_t *jl_gc_allocobj(size_t sz);
JL_DLLEXPORT void jl_clear_malloc_data(void);
// GC write barriers
JL_DLLEXPORT void jl_gc_queue_root(jl_value_t *root); // root isa jl_value_t*
STATIC_INLINE void jl_gc_wb(void *parent, void *ptr)
{
// parent and ptr isa jl_value_t*
if (__unlikely((jl_astaggedvalue(parent)->gc_bits & 1) == 1 &&
(jl_astaggedvalue(ptr)->gc_bits & 1) == 0))
jl_gc_queue_root((jl_value_t*)parent);
}
STATIC_INLINE void jl_gc_wb_back(void *ptr) // ptr isa jl_value_t*
{
// if ptr is marked
if (__unlikely((jl_astaggedvalue(ptr)->gc_bits & 1) == 1)) {
jl_gc_queue_root((jl_value_t*)ptr);
}
}
JL_DLLEXPORT void *jl_gc_managed_malloc(size_t sz);
JL_DLLEXPORT void *jl_gc_managed_realloc(void *d, size_t sz, size_t oldsz,
int isaligned, jl_value_t *owner);
// object accessors -----------------------------------------------------------
#define jl_typeis(v,t) (jl_typeof(v)==(jl_value_t*)(t))
#define jl_svec_len(t) (((jl_svec_t*)(t))->length)
#define jl_svec_set_len_unsafe(t,n) (((jl_svec_t*)(t))->length=(n))
#define jl_svec_data(t) ((jl_value_t**)((char*)(t) + sizeof(jl_svec_t)))
STATIC_INLINE jl_value_t *jl_svecref(void *t, size_t i)
{
assert(jl_typeis(t,jl_simplevector_type));
assert(i < jl_svec_len(t));
return jl_svec_data(t)[i];
}
STATIC_INLINE jl_value_t *jl_svecset(void *t, size_t i, void *x)
{
assert(jl_typeis(t,jl_simplevector_type));
assert(i < jl_svec_len(t));
jl_svec_data(t)[i] = (jl_value_t*)x;
if (x) jl_gc_wb(t, x);
return (jl_value_t*)x;
}
#ifdef STORE_ARRAY_LEN
#define jl_array_len(a) (((jl_array_t*)(a))->length)
#else
JL_DLLEXPORT size_t jl_array_len_(jl_array_t *a);
#define jl_array_len(a) jl_array_len_((jl_array_t*)(a))
#endif
#define jl_array_data(a) ((void*)((jl_array_t*)(a))->data)
#define jl_array_dim(a,i) ((&((jl_array_t*)(a))->nrows)[i])
#define jl_array_dim0(a) (((jl_array_t*)(a))->nrows)
#define jl_array_nrows(a) (((jl_array_t*)(a))->nrows)
#define jl_array_ndims(a) ((int32_t)(((jl_array_t*)a)->flags.ndims))
#define jl_array_data_owner_offset(ndims) (offsetof(jl_array_t,ncols) + sizeof(size_t)*(1+jl_array_ndimwords(ndims))) // in bytes
#define jl_array_data_owner(a) (*((jl_value_t**)((char*)a + jl_array_data_owner_offset(jl_array_ndims(a)))))
STATIC_INLINE jl_value_t *jl_cellref(void *a, size_t i)
{
assert(i < jl_array_len(a));
return ((jl_value_t**)(jl_array_data(a)))[i];
}
STATIC_INLINE jl_value_t *jl_cellset(void *a, size_t i, void *x)
{
assert(i < jl_array_len(a));
((jl_value_t**)(jl_array_data(a)))[i] = (jl_value_t*)x;
if (x) {
if (((jl_array_t*)a)->flags.how == 3) {
a = jl_array_data_owner(a);
}
jl_gc_wb(a, x);
}
return (jl_value_t*)x;
}
#define jl_exprarg(e,n) (((jl_value_t**)jl_array_data(((jl_expr_t*)(e))->args))[n])
#define jl_exprargset(e, n, v) jl_cellset(((jl_expr_t*)(e))->args, n, v)
#define jl_expr_nargs(e) jl_array_len(((jl_expr_t*)(e))->args)
#define jl_fieldref(s,i) jl_get_nth_field(((jl_value_t*)s),i)
#define jl_nfields(v) jl_datatype_nfields(jl_typeof(v))
// Not using jl_fieldref to avoid allocations
#define jl_symbolnode_sym(s) (*(jl_sym_t**)s)
#define jl_symbolnode_type(s) (((jl_value_t**)s)[1])
#define jl_linenode_file(x) (*(jl_sym_t**)x)
#define jl_linenode_line(x) (((intptr_t*)x)[1])
#define jl_labelnode_label(x) (((intptr_t*)x)[0])
#define jl_gotonode_label(x) (((intptr_t*)x)[0])
#define jl_globalref_mod(s) (*(jl_module_t**)s)
#define jl_globalref_name(s) (((jl_sym_t**)s)[1])
#define jl_nparams(t) jl_svec_len(((jl_datatype_t*)(t))->parameters)
#define jl_tparam0(t) jl_svecref(((jl_datatype_t*)(t))->parameters, 0)
#define jl_tparam1(t) jl_svecref(((jl_datatype_t*)(t))->parameters, 1)
#define jl_tparam(t,i) jl_svecref(((jl_datatype_t*)(t))->parameters, i)
// get a pointer to the data in a datatype
#define jl_data_ptr(v) ((jl_value_t**)v)
#define jl_cell_data(a) ((jl_value_t**)((jl_array_t*)a)->data)
#define jl_string_data(s) ((char*)((jl_array_t*)jl_data_ptr(s)[0])->data)
#define jl_string_len(s) (jl_array_len((jl_array_t*)(jl_data_ptr(s)[0])))
#define jl_iostr_data(s) ((char*)((jl_array_t*)jl_data_ptr(s)[0])->data)
#define jl_gf_mtable(f) (((jl_datatype_t*)jl_typeof(f))->name->mt)
#define jl_gf_name(f) (jl_gf_mtable(f)->name)
// struct type info
#define jl_field_name(st,i) (jl_sym_t*)jl_svecref(((jl_datatype_t*)st)->name->names, (i))
#define jl_field_type(st,i) jl_svecref(((jl_datatype_t*)st)->types, (i))
#define jl_datatype_size(t) (((jl_datatype_t*)t)->size)
#define jl_datatype_nfields(t) (((jl_datatype_t*)(t))->nfields)
// inline version with strong type check to detect typos in a `->name` chain
STATIC_INLINE char *jl_symbol_name_(jl_sym_t *s)
{
return (char*)s + LLT_ALIGN(sizeof(jl_sym_t), sizeof(void*));
}
#define jl_symbol_name(s) jl_symbol_name_(s)
#define jl_datatype_fields(d) ((char*)(d) + sizeof(jl_datatype_t))
#define DEFINE_FIELD_ACCESSORS(f) \
static inline uint32_t jl_field_##f(jl_datatype_t *st, int i) \
{ \
if (st->fielddesc_type == 0) { \
return ((jl_fielddesc8_t*)jl_datatype_fields(st))[i].f; \
} \
else if (st->fielddesc_type == 1) { \
return ((jl_fielddesc16_t*)jl_datatype_fields(st))[i].f; \
} \
else { \
return ((jl_fielddesc32_t*)jl_datatype_fields(st))[i].f; \
} \
} \
static inline void jl_field_set##f(jl_datatype_t *st, int i, \
uint32_t val) \
{ \
if (st->fielddesc_type == 0) { \
((jl_fielddesc8_t*)jl_datatype_fields(st))[i].f = val; \
} \
else if (st->fielddesc_type == 1) { \
((jl_fielddesc16_t*)jl_datatype_fields(st))[i].f = val; \
} \
else { \
((jl_fielddesc32_t*)jl_datatype_fields(st))[i].f = val; \
} \
}
DEFINE_FIELD_ACCESSORS(offset)
DEFINE_FIELD_ACCESSORS(size)
DEFINE_FIELD_ACCESSORS(isptr)
static inline uint32_t jl_fielddesc_size(int8_t fielddesc_type)
{
if (fielddesc_type == 0) {
return sizeof(jl_fielddesc8_t);
}
else if (fielddesc_type == 1) {
return sizeof(jl_fielddesc16_t);
}
else {
return sizeof(jl_fielddesc32_t);
}
}
#undef DEFINE_FIELD_ACCESSORS
// basic predicates -----------------------------------------------------------
#define jl_is_nothing(v) (((jl_value_t*)(v)) == ((jl_value_t*)jl_nothing))
#define jl_is_tuple(v) (((jl_datatype_t*)jl_typeof(v))->name == jl_tuple_typename)
#define jl_is_svec(v) jl_typeis(v,jl_simplevector_type)
#define jl_is_simplevector(v) jl_is_svec(v)
#define jl_is_datatype(v) jl_typeis(v,jl_datatype_type)
#define jl_is_pointerfree(t) (((jl_datatype_t*)t)->pointerfree)
#define jl_is_mutable(t) (((jl_datatype_t*)t)->mutabl)
#define jl_is_mutable_datatype(t) (jl_is_datatype(t) && (((jl_datatype_t*)t)->mutabl))
#define jl_is_immutable(t) (!((jl_datatype_t*)t)->mutabl)
#define jl_is_immutable_datatype(t) (jl_is_datatype(t) && (!((jl_datatype_t*)t)->mutabl))
#define jl_is_uniontype(v) jl_typeis(v,jl_uniontype_type)
#define jl_is_typevar(v) jl_typeis(v,jl_tvar_type)
#define jl_is_typector(v) jl_typeis(v,jl_typector_type)
#define jl_is_TypeConstructor(v) jl_typeis(v,jl_typector_type)
#define jl_is_typename(v) jl_typeis(v,jl_typename_type)
#define jl_is_int8(v) jl_typeis(v,jl_int8_type)
#define jl_is_int16(v) jl_typeis(v,jl_int16_type)
#define jl_is_int32(v) jl_typeis(v,jl_int32_type)
#define jl_is_int64(v) jl_typeis(v,jl_int64_type)
#define jl_is_uint8(v) jl_typeis(v,jl_uint8_type)
#define jl_is_uint16(v) jl_typeis(v,jl_uint16_type)
#define jl_is_uint32(v) jl_typeis(v,jl_uint32_type)
#define jl_is_uint64(v) jl_typeis(v,jl_uint64_type)
#define jl_is_float(v) jl_subtype(v,(jl_value_t*)jl_floatingpoint_type,1)
#define jl_is_floattype(v) jl_subtype(v,(jl_value_t*)jl_floatingpoint_type,0)
#define jl_is_float32(v) jl_typeis(v,jl_float32_type)
#define jl_is_float64(v) jl_typeis(v,jl_float64_type)
#define jl_is_bool(v) jl_typeis(v,jl_bool_type)
#define jl_is_symbol(v) jl_typeis(v,jl_sym_type)
#define jl_is_gensym(v) jl_typeis(v,jl_gensym_type)
#define jl_is_expr(v) jl_typeis(v,jl_expr_type)
#define jl_is_symbolnode(v) jl_typeis(v,jl_symbolnode_type)
#define jl_is_globalref(v) jl_typeis(v,jl_globalref_type)
#define jl_is_labelnode(v) jl_typeis(v,jl_labelnode_type)
#define jl_is_gotonode(v) jl_typeis(v,jl_gotonode_type)
#define jl_is_quotenode(v) jl_typeis(v,jl_quotenode_type)
#define jl_is_newvarnode(v) jl_typeis(v,jl_newvarnode_type)
#define jl_is_topnode(v) jl_typeis(v,jl_topnode_type)
#define jl_is_linenode(v) jl_typeis(v,jl_linenumbernode_type)
#define jl_is_lambda_info(v) jl_typeis(v,jl_lambda_info_type)
#define jl_is_module(v) jl_typeis(v,jl_module_type)
#define jl_is_mtable(v) jl_typeis(v,jl_methtable_type)
#define jl_is_task(v) jl_typeis(v,jl_task_type)
#define jl_is_ascii_string(v) jl_typeis(v,jl_ascii_string_type)
#define jl_is_utf8_string(v) jl_typeis(v,jl_utf8_string_type)
#define jl_is_byte_string(v) (jl_is_ascii_string(v) || jl_is_utf8_string(v))
#define jl_is_cpointer(v) jl_is_cpointer_type(jl_typeof(v))
#define jl_is_pointer(v) jl_is_cpointer_type(jl_typeof(v))
STATIC_INLINE int jl_is_bitstype(void *v)
{
return (jl_is_datatype(v) && jl_is_immutable(v) &&
jl_datatype_nfields(v) == 0 &&
!((jl_datatype_t*)(v))->abstract &&
((jl_datatype_t*)(v))->size > 0);
}
STATIC_INLINE int jl_is_structtype(void *v)
{
return (jl_is_datatype(v) &&
(jl_datatype_nfields(v) > 0 ||
((jl_datatype_t*)(v))->size == 0) &&
!((jl_datatype_t*)(v))->abstract);
}
STATIC_INLINE int jl_isbits(void *t) // corresponding to isbits() in julia
{
return (jl_is_datatype(t) && !((jl_datatype_t*)t)->mutabl &&
((jl_datatype_t*)t)->pointerfree && !((jl_datatype_t*)t)->abstract);
}
STATIC_INLINE int jl_is_datatype_singleton(jl_datatype_t *d)
{
return (d->instance != NULL ||
(!d->abstract && d->size == 0 && d != jl_sym_type && d->name != jl_array_typename &&
(d->name->names == jl_emptysvec || !d->mutabl)));
}
STATIC_INLINE int jl_is_abstracttype(void *v)
{
return (jl_is_datatype(v) && ((jl_datatype_t*)(v))->abstract);
}
STATIC_INLINE int jl_is_array_type(void *t)
{
return (jl_is_datatype(t) &&
((jl_datatype_t*)(t))->name == jl_array_typename);
}
STATIC_INLINE int jl_is_array(void *v)
{
jl_value_t *t = jl_typeof(v);
return jl_is_array_type(t);
}
STATIC_INLINE int jl_is_cpointer_type(jl_value_t *t)
{
return (jl_is_datatype(t) &&
((jl_datatype_t*)(t))->name == jl_pointer_type->name);
}
STATIC_INLINE int jl_is_abstract_ref_type(jl_value_t *t)
{
return (jl_is_datatype(t) &&
((jl_datatype_t*)(t))->name == jl_ref_type->name);
}
STATIC_INLINE jl_value_t *jl_is_ref_type(jl_value_t *t)
{
if (!jl_is_datatype(t)) return 0;
jl_datatype_t *dt = (jl_datatype_t*)t;
while (dt != jl_any_type && dt->name != dt->super->name) {
if (dt->name == jl_ref_type->name)