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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: https://julialang.org/license
#ifndef JULIA_H
#define JULIA_H
//** 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_) || defined(_CPU_PPC_)
# 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))
# define JL_USED_FUNC __attribute__((used))
#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)
// Does MSVC have this?
# define JL_USED_FUNC
#else
# define JL_NORETURN
# define JL_CONST_FUNC
# define JL_USED_FUNC
#endif
#define container_of(ptr, type, member) \
((type *) ((char *)(ptr) - offsetof(type, member)))
typedef struct _jl_taggedvalue_t jl_taggedvalue_t;
#include "atomics.h"
#include "tls.h"
#include "julia_threads.h"
#include "julia_assert.h"
#ifdef __cplusplus
extern "C" {
#endif
// core data types ------------------------------------------------------------
// the common fields are hidden before the pointer, but the following macro is
// used to indicate which types below are subtypes of jl_value_t
#define JL_DATA_TYPE
typedef struct _jl_value_t jl_value_t;
struct _jl_taggedvalue_bits {
uintptr_t gc:2;
};
JL_EXTENSION struct _jl_taggedvalue_t {
union {
uintptr_t header;
jl_taggedvalue_t *next;
jl_value_t *type; // 16-byte aligned
struct _jl_taggedvalue_bits bits;
};
// jl_value_t value;
};
#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)->header & ~(uintptr_t)15))
static inline void jl_set_typeof(void *v, void *t)
{
// Do not call this on a value that is already initialized.
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))
// Symbols are interned strings (hash-consed) stored as an invasive binary tree.
// The string data is nul-terminated and hangs off the end of the struct.
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;
// A numbered SSA value, for optimized code analysis and generation
// the `id` is a unique, small number
typedef struct _jl_ssavalue_t {
JL_DATA_TYPE
ssize_t id;
} jl_ssavalue_t;
// A SimpleVector is an immutable pointer array
// Data is stored at the end of this variable-length struct.
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 object 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;
JL_EXTENSION 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 struct _jl_datatype_t jl_tupletype_t;
struct _jl_method_instance_t;
// TypeMap is an implicitly defined type
// that can consist of any of the following nodes:
// typedef TypeMap Union{TypeMapLevel, TypeMapEntry, Void}
// it forms a roughly tree-shaped structure, consisting of nodes of TypeMapLevels
// which split the tree when possible, for example based on the key into the tuple type at `offs`
// when key is a leaftype, (but only when the tree has enough entries for this to be
// more efficient than storing them sorted linearly)
// otherwise the leaf entries are stored sorted, linearly
union jl_typemap_t {
struct _jl_typemap_level_t *node;
struct _jl_typemap_entry_t *leaf;
struct _jl_value_t *unknown; // nothing
};
// "jlcall" calling convention signatures.
// This defines the default ABI used by compiled julia functions.
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 jl_value_t *(*jl_fptr_linfo_t)(struct _jl_method_instance_t*, jl_value_t**, uint32_t, jl_svec_t*);
JL_EXTENSION typedef struct {
union {
jl_fptr_t fptr;
jl_fptr_t fptr1;
// constant fptr2;
jl_fptr_sparam_t fptr3;
jl_fptr_linfo_t fptr4;
};
uint8_t jlcall_api;
} jl_generic_fptr_t;
typedef struct _jl_llvm_functions_t {
const char *functionObject; // jlcall llvm Function name
const char *specFunctionObject; // specialized llvm Function name
} jl_llvm_functions_t;
// This type describes a single function body
typedef struct _jl_code_info_t {
jl_array_t *code; // Any array of statements
jl_value_t *slottypes; // types of variable slots (or `nothing`)
jl_value_t *ssavaluetypes; // types of ssa values (or count of them)
jl_array_t *slotflags; // local var bit flags
jl_array_t *slotnames; // names of local variables
uint8_t inferred;
uint8_t inlineable;
uint8_t propagate_inbounds;
uint8_t pure;
} jl_code_info_t;
// This type describes a single method definition, and stores data
// shared by the specializations of a function.
typedef struct _jl_method_t {
JL_DATA_TYPE
jl_sym_t *name; // for error reporting
struct _jl_module_t *module;
jl_sym_t *file;
int32_t line;
// method's type signature. redundant with TypeMapEntry->specTypes
jl_value_t *sig;
size_t min_world;
// list of potentially-ambiguous methods (nothing = none, Vector{Any} of Methods otherwise)
jl_value_t *ambig;
// table of all argument types for which we've inferred or compiled this code
union jl_typemap_t specializations;
jl_svec_t *sparam_syms; // symbols giving static parameter names
jl_value_t *source; // original code template (jl_code_info_t, but may be compressed), null for builtins
struct _jl_method_instance_t *unspecialized; // unspecialized executable method instance, or null
struct _jl_method_instance_t *generator; // executable code-generating function if available
jl_array_t *roots; // pointers in generated code (shared to reduce memory), or null
// 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.
union jl_typemap_t invokes;
int32_t nargs;
int32_t called; // bit flags: whether each of the first 8 arguments is called
int32_t nospecialize; // bit flags: which arguments should not be specialized
uint8_t isva;
uint8_t pure;
// hidden fields:
uint8_t traced;
// lock for modifications to the method
jl_mutex_t writelock;
} jl_method_t;
// This type caches the data for a specType signature specialization of a Method
typedef struct _jl_method_instance_t {
JL_DATA_TYPE
union {
jl_value_t *value; // generic accessor
struct _jl_module_t *module; // this is a toplevel thunk
jl_method_t *method; // method this is specialized from
} def; // context for this lambda definition
jl_value_t *specTypes; // argument types this was specialized for
jl_value_t *rettype; // return type for fptr
jl_svec_t *sparam_vals; // static parameter values, indexed by def.method->sparam_syms
jl_array_t *backedges;
jl_value_t *inferred; // inferred jl_code_info_t, or value of the function if jlcall_api == 2, or null
jl_value_t *inferred_const; // inferred constant return value, or null
size_t min_world;
size_t max_world;
uint8_t inInference; // flags to tell if inference is running on this function
uint8_t jlcall_api; // the c-abi for fptr; 0 = jl_fptr_t, 1 = jl_fptr_sparam_t, 2 = constval
uint8_t compile_traced; // if set will notify callback if this linfo is compiled
jl_fptr_t fptr; // jlcall entry point with api specified by jlcall_api
jl_fptr_t unspecialized_ducttape; // if template can't be compiled due to intrinsics, an un-inferred fptr may get stored here, jlcall_api = 1
// names of declarations in the JIT,
// suitable for referencing in LLVM IR
jl_llvm_functions_t functionObjectsDecls;
} jl_method_instance_t;
// all values are callable as Functions
typedef jl_value_t jl_function_t;
typedef struct {
JL_DATA_TYPE
jl_sym_t *name;
jl_value_t *lb; // lower bound
jl_value_t *ub; // upper bound
} jl_tvar_t;
// UnionAll type (iterated union over all values of a variable in certain bounds)
// written `body where lb<:var<:ub`
typedef struct {
JL_DATA_TYPE
jl_tvar_t *var;
jl_value_t *body;
} jl_unionall_t;
// represents the "name" part of a DataType, describing the syntactic structure
// of a type and storing all data common to different instantiations of the type,
// including a cache for hash-consed allocation of DataType objects.
typedef struct {
JL_DATA_TYPE
jl_sym_t *name;
struct _jl_module_t *module;
jl_svec_t *names; // field names
// `wrapper` is either the only instantiation of the type (if no parameters)
// or a UnionAll accepting parameters to make an instantiation.
jl_value_t *wrapper;
jl_svec_t *cache; // sorted array
jl_svec_t *linearcache; // unsorted array
intptr_t hash;
struct _jl_methtable_t *mt;
} jl_typename_t;
typedef struct {
JL_DATA_TYPE
jl_value_t *a;
jl_value_t *b;
} jl_uniontype_t;
// in little-endian, isptr is always the first bit, avoiding the need for a branch in computing isptr
typedef struct {
uint8_t isptr:1;
uint8_t size:7;
uint8_t offset; // offset relative to data start, excluding type tag
} jl_fielddesc8_t;
typedef struct {
uint16_t isptr:1;
uint16_t size:15;
uint16_t offset; // offset relative to data start, excluding type tag
} jl_fielddesc16_t;
typedef struct {
uint32_t isptr:1;
uint32_t size:31;
uint32_t offset; // offset relative to data start, excluding type tag
} jl_fielddesc32_t;
typedef struct {
uint32_t nfields;
uint32_t alignment : 9; // strictest alignment over all fields
uint32_t haspadding : 1; // has internal undefined bytes
uint32_t npointers : 20; // number of pointer fields, top 4 bits are exponent (under-approximation)
uint32_t fielddesc_type : 2; // 0 -> 8, 1 -> 16, 2 -> 32
// union {
// jl_fielddesc8_t field8[];
// jl_fielddesc16_t field16[];
// jl_fielddesc32_t field32[];
// };
} jl_datatype_layout_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
const jl_datatype_layout_t *layout;
int32_t size; // TODO: move to _jl_datatype_layout_t
int32_t ninitialized;
uint32_t uid;
uint8_t abstract;
uint8_t mutabl;
// memoized properties
void *struct_decl; //llvm::Type*
void *ditype; // llvm::MDNode* to be used as llvm::DIType(ditype)
int32_t depth;
int8_t hasfreetypevars;
int8_t isleaftype;
} jl_datatype_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
uint8_t constp:1;
uint8_t exportp:1;
uint8_t imported:1;
uint8_t deprecated:2; // 0=not deprecated, 1=renamed, 2=moved to another package
} 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
uint64_t uuid;
size_t primary_world;
uint32_t counter;
uint8_t istopmod;
} jl_module_t;
// one Type-to-Value entry
typedef struct _jl_typemap_entry_t {
JL_DATA_TYPE
struct _jl_typemap_entry_t *next; // invasive linked list
jl_tupletype_t *sig; // the type signature for this entry
jl_tupletype_t *simplesig; // a simple signature for fast rejection
jl_svec_t *guardsigs;
size_t min_world;
size_t max_world;
union {
jl_value_t *value; // generic accessor
jl_method_instance_t *linfo; // [nullable] for guard entries
jl_method_t *method;
} func;
// memoized properties of sig:
int8_t isleafsig; // isleaftype(sig) & !any(isType, sig) : unsorted and very fast
int8_t issimplesig; // all(isleaftype | isAny | isType | isVararg, sig) : sorted and fast
int8_t va; // isVararg(sig)
} jl_typemap_entry_t;
// one level in a TypeMap tree
// indexed by key if it is a sublevel in an array
struct jl_ordereddict_t {
jl_array_t *indexes; // Array{Int{8,16,32}}
jl_array_t *values; // Array{union jl_typemap_t}
};
typedef struct _jl_typemap_level_t {
JL_DATA_TYPE
struct jl_ordereddict_t arg1;
struct jl_ordereddict_t targ;
jl_typemap_entry_t *linear; // union jl_typemap_t (but no more levels)
union jl_typemap_t any; // type at offs is Any
jl_value_t *key; // [nullable]
} jl_typemap_level_t;
// contains the TypeMap for one Type
typedef struct _jl_methtable_t {
JL_DATA_TYPE
jl_sym_t *name;
union jl_typemap_t defs;
union jl_typemap_t cache;
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
jl_array_t *backedges;
jl_mutex_t writelock;
} 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 -------------------------------------------------
// kinds
extern JL_DLLEXPORT jl_datatype_t *jl_typeofbottom_type;
extern JL_DLLEXPORT jl_datatype_t *jl_datatype_type;
extern JL_DLLEXPORT jl_datatype_t *jl_uniontype_type;
extern JL_DLLEXPORT jl_datatype_t *jl_unionall_type;
extern JL_DLLEXPORT jl_datatype_t *jl_tvar_type;
extern JL_DLLEXPORT jl_datatype_t *jl_any_type;
extern JL_DLLEXPORT jl_unionall_t *jl_type_type;
extern JL_DLLEXPORT jl_unionall_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_typename_t *jl_type_typename;
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_ssavalue_type;
extern JL_DLLEXPORT jl_datatype_t *jl_abstractslot_type;
extern JL_DLLEXPORT jl_datatype_t *jl_slotnumber_type;
extern JL_DLLEXPORT jl_datatype_t *jl_typedslot_type;
extern JL_DLLEXPORT jl_datatype_t *jl_simplevector_type;
extern JL_DLLEXPORT jl_typename_t *jl_tuple_typename;
extern JL_DLLEXPORT jl_typename_t *jl_vecelement_typename;
extern JL_DLLEXPORT jl_datatype_t *jl_anytuple_type;
extern JL_DLLEXPORT jl_datatype_t *jl_emptytuple_type;
#define jl_tuple_type jl_anytuple_type
extern JL_DLLEXPORT jl_unionall_t *jl_anytuple_type_type;
extern JL_DLLEXPORT jl_unionall_t *jl_vararg_type;
extern JL_DLLEXPORT jl_typename_t *jl_vararg_typename;
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_value_t *jl_bottom_type;
extern JL_DLLEXPORT jl_datatype_t *jl_method_instance_type;
extern JL_DLLEXPORT jl_datatype_t *jl_code_info_type;
extern JL_DLLEXPORT jl_datatype_t *jl_method_type;
extern JL_DLLEXPORT jl_datatype_t *jl_module_type;
extern JL_DLLEXPORT jl_unionall_t *jl_abstractarray_type;
extern JL_DLLEXPORT jl_unionall_t *jl_densearray_type;
extern JL_DLLEXPORT jl_unionall_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_abstractstring_type;
extern JL_DLLEXPORT jl_datatype_t *jl_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_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_vec_any;
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_signed_type;
extern JL_DLLEXPORT jl_datatype_t *jl_voidpointer_type;
extern JL_DLLEXPORT jl_unionall_t *jl_pointer_type;
extern JL_DLLEXPORT jl_unionall_t *jl_ref_type;
extern JL_DLLEXPORT jl_typename_t *jl_pointer_typename;
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_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_intrinsic_type;
extern JL_DLLEXPORT jl_datatype_t *jl_methtable_type;
extern JL_DLLEXPORT jl_datatype_t *jl_typemap_level_type;
extern JL_DLLEXPORT jl_datatype_t *jl_typemap_entry_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_DLLEXPORT jl_sym_t *jl_incomplete_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_PUSH6(arg1, arg2, arg3, arg4, arg5, arg6) \
void *__gc_stkf[] = {(void*)13, jl_pgcstack, arg1, arg2, arg3, arg4, arg5, arg6}; \
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*
// Do NOT put a safepoint here
STATIC_INLINE void jl_gc_wb(void *parent, void *ptr)
{
// parent and ptr isa jl_value_t*
if (__unlikely(jl_astaggedvalue(parent)->bits.gc == 3 &&
(jl_astaggedvalue(ptr)->bits.gc & 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 old
if (__unlikely(jl_astaggedvalue(ptr)->bits.gc == 3)) {
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_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_array_ptr_ref(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_array_ptr_set(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;
}
STATIC_INLINE uint8_t jl_array_uint8_ref(void *a, size_t i)
{
assert(i < jl_array_len(a));
assert(jl_typeis(a, jl_array_uint8_type));
return ((uint8_t*)(jl_array_data(a)))[i];
}
STATIC_INLINE void jl_array_uint8_set(void *a, size_t i, uint8_t x)
{
assert(i < jl_array_len(a));
assert(jl_typeis(a, jl_array_uint8_type));
((uint8_t*)(jl_array_data(a)))[i] = 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_array_ptr_set(((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_linenode_line(x) (((intptr_t*)(x))[0])
#define jl_linenode_file(x) (((jl_value_t**)(x))[1])
#define jl_labelnode_label(x) (((intptr_t*)(x))[0])
#define jl_slot_number(x) (((intptr_t*)(x))[0])
#define jl_typedslot_get_type(x) (((jl_value_t**)(x))[1])
#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_array_ptr_data(a) ((jl_value_t**)((jl_array_t*)a)->data)
#define jl_string_data(s) ((char*)s + sizeof(void*))
#define jl_string_len(s) (*(size_t*)s)
#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
STATIC_INLINE jl_svec_t *jl_field_names(jl_datatype_t *st)
{
return st->name->names;
}
STATIC_INLINE jl_sym_t *jl_field_name(jl_datatype_t *st, size_t i)
{
return (jl_sym_t*)jl_svecref(jl_field_names(st), i);
}
#define jl_field_type(st,i) jl_svecref(((jl_datatype_t*)st)->types, (i))
#define jl_field_count(st) jl_svec_len(((jl_datatype_t*)st)->types)
#define jl_datatype_size(t) (((jl_datatype_t*)t)->size)
#define jl_datatype_align(t) (((jl_datatype_t*)t)->layout->alignment)
#define jl_datatype_nbits(t) ((((jl_datatype_t*)t)->size)*8)
#define jl_datatype_nfields(t) (((jl_datatype_t*)(t))->layout->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_dt_layout_fields(d) ((const char*)(d) + sizeof(jl_datatype_layout_t))
#define DEFINE_FIELD_ACCESSORS(f) \
static inline uint32_t jl_field_##f(jl_datatype_t *st, int i) \
{ \
const jl_datatype_layout_t *ly = st->layout; \
assert(i >= 0 && (size_t)i < ly->nfields); \
if (ly->fielddesc_type == 0) { \
return ((const jl_fielddesc8_t*)jl_dt_layout_fields(ly))[i].f; \
} \
else if (ly->fielddesc_type == 1) { \
return ((const jl_fielddesc16_t*)jl_dt_layout_fields(ly))[i].f; \
} \
else { \
return ((const jl_fielddesc32_t*)jl_dt_layout_fields(ly))[i].f; \
} \
} \
DEFINE_FIELD_ACCESSORS(offset)
DEFINE_FIELD_ACCESSORS(size)
static inline int jl_field_isptr(jl_datatype_t *st, int i)
{
const jl_datatype_layout_t *ly = st->layout;
assert(i >= 0 && (size_t)i < ly->nfields);
return ((const jl_fielddesc8_t*)(jl_dt_layout_fields(ly) + (i << (ly->fielddesc_type + 1))))->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
static inline int jl_is_layout_opaque(const jl_datatype_layout_t *l)
{
return l->nfields == 0 && l->npointers > 0;
}
// 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_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_unionall(v) jl_typeis(v,jl_unionall_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_bool(v) jl_typeis(v,jl_bool_type)
#define jl_is_symbol(v) jl_typeis(v,jl_sym_type)
#define jl_is_ssavalue(v) jl_typeis(v,jl_ssavalue_type)
#define jl_is_slot(v) (jl_typeis(v,jl_slotnumber_type) || jl_typeis(v,jl_typedslot_type))
#define jl_is_expr(v) jl_typeis(v,jl_expr_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_linenode(v) jl_typeis(v,jl_linenumbernode_type)
#define jl_is_method_instance(v) jl_typeis(v,jl_method_instance_type)
#define jl_is_code_info(v) jl_typeis(v,jl_code_info_type)
#define jl_is_method(v) jl_typeis(v,jl_method_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_string(v) jl_typeis(v,jl_string_type)
#define jl_is_cpointer(v) jl_is_cpointer_type(jl_typeof(v))
#define jl_is_pointer(v) jl_is_cpointer_type(jl_typeof(v))
#define jl_is_intrinsic(v) jl_typeis(v,jl_intrinsic_type)
JL_DLLEXPORT int jl_subtype(jl_value_t *a, jl_value_t *b);
STATIC_INLINE int jl_is_kind(jl_value_t *v)
{
return (v==(jl_value_t*)jl_uniontype_type || v==(jl_value_t*)jl_datatype_type ||
v==(jl_value_t*)jl_unionall_type || v==(jl_value_t*)jl_typeofbottom_type);
}
STATIC_INLINE int jl_is_type(jl_value_t *v)
{
return jl_is_kind(jl_typeof(v));
}
STATIC_INLINE int jl_is_primitivetype(void *v)
{
return (jl_is_datatype(v) && jl_is_immutable(v) &&
((jl_datatype_t*)(v))->layout &&
jl_datatype_nfields(v) == 0 &&
jl_datatype_size(v) > 0);
}
STATIC_INLINE int jl_is_structtype(void *v)
{
return (jl_is_datatype(v) &&
!((jl_datatype_t*)(v))->abstract &&
!jl_is_primitivetype(v));
}
STATIC_INLINE int jl_isbits(void *t) // corresponding to isbits() in julia
{
return (jl_is_datatype(t) && ((jl_datatype_t*)t)->layout &&
!((jl_datatype_t*)t)->mutabl &&
((jl_datatype_t*)t)->layout->npointers == 0);
}
STATIC_INLINE int jl_is_datatype_singleton(jl_datatype_t *d)
{
return (d->instance != NULL);
}
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_datatype_t*)jl_pointer_type->body)->name);
}
STATIC_INLINE int jl_is_abstract_ref_type(jl_value_t *t)
{
return (jl_is_datatype(t) &&
((jl_datatype_t*)(t))->name == ((jl_datatype_t*)jl_ref_type->body)->name);
}
STATIC_INLINE int jl_is_tuple_type(void *t)
{
return (jl_is_datatype(t) &&
((jl_datatype_t*)(t))->name == jl_tuple_typename);
}
STATIC_INLINE int jl_is_vecelement_type(jl_value_t* t)
{
return (jl_is_datatype(t) &&
((jl_datatype_t*)(t))->name == jl_vecelement_typename);
}
STATIC_INLINE int jl_is_type_type(jl_value_t *v)
{
return (jl_is_datatype(v) &&
((jl_datatype_t*)(v))->name == ((jl_datatype_t*)jl_type_type->body)->name);
}
// object identity
JL_DLLEXPORT int jl_egal(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT uintptr_t jl_object_id(jl_value_t *v);
// type predicates and basic operations
JL_DLLEXPORT int jl_is_leaf_type(jl_value_t *v);
JL_DLLEXPORT int jl_has_free_typevars(jl_value_t *v);
JL_DLLEXPORT int jl_has_typevar(jl_value_t *t, jl_tvar_t *v);
JL_DLLEXPORT int jl_has_typevar_from_unionall(jl_value_t *t, jl_unionall_t *ua);
JL_DLLEXPORT int jl_subtype_env_size(jl_value_t *t);
JL_DLLEXPORT int jl_subtype_env(jl_value_t *x, jl_value_t *y, jl_value_t **env, int envsz);
JL_DLLEXPORT int jl_isa(jl_value_t *a, jl_value_t *t);
JL_DLLEXPORT int jl_types_equal(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT jl_value_t *jl_type_union(jl_value_t **ts, size_t n);
JL_DLLEXPORT jl_value_t *jl_type_intersection(jl_value_t *a, jl_value_t *b);
JL_DLLEXPORT int jl_has_empty_intersection(jl_value_t *x, jl_value_t *y);
JL_DLLEXPORT jl_value_t *jl_type_unionall(jl_tvar_t *v, jl_value_t *body);
JL_DLLEXPORT const char *jl_typename_str(jl_value_t *v);
JL_DLLEXPORT const char *jl_typeof_str(jl_value_t *v);
JL_DLLEXPORT int jl_type_morespecific(jl_value_t *a, jl_value_t *b);
jl_value_t *jl_unwrap_unionall(jl_value_t *v);
jl_value_t *jl_rewrap_unionall(jl_value_t *t, jl_value_t *u);