https://github.com/JuliaLang/julia
Tip revision: 3b4e7b46ccf602e004905273ebebf85c47e220f7 authored by Keno Fischer on 10 October 2018, 00:26:12 UTC
HACK: Option to ignore all inlining heuristics
HACK: Option to ignore all inlining heuristics
Tip revision: 3b4e7b4
dump.c
// This file is a part of Julia. License is MIT: https://julialang.org/license
/*
saving and restoring system images
*/
#include <stdlib.h>
#include <string.h>
#include "julia.h"
#include "julia_internal.h"
#include "builtin_proto.h"
#ifndef _OS_WINDOWS_
#include <dlfcn.h>
#endif
#ifndef _COMPILER_MICROSOFT_
#include "valgrind.h"
#else
#define RUNNING_ON_VALGRIND 0
#endif
#include "julia_assert.h"
#ifdef __cplusplus
extern "C" {
#endif
// TODO: put WeakRefs on the weak_refs list during deserialization
// TODO: handle finalizers
// hash of definitions for predefined tagged object
static htable_t ser_tag;
// array of definitions for the predefined tagged object types
// (reverse of ser_tag)
static jl_value_t *deser_tag[256];
// hash of some common symbols, encoded as CommonSym_tag plus 1 byte
static htable_t common_symbol_tag;
static jl_value_t *deser_symbols[256];
// table of all objects that have been deserialized, indexed by pos
// (the order in the serializer stream) in MODE_MODULE, the low
// bit is reserved for flagging certain entries and pos is
// left shift by 1
// (not used in MODE_IR)
static htable_t backref_table;
static int backref_table_numel;
static arraylist_t backref_list;
// list of (jl_value_t **loc, size_t pos) entries
// for anything that was flagged by the deserializer for later
// type-rewriting of some sort
// (not used in MODE_IR)
static arraylist_t flagref_list;
// list of (size_t pos, (void *f)(jl_value_t*)) entries
// for the serializer to mark values in need of rework by function f
// during deserialization later
// (not used in MODE_IR)
static arraylist_t reinit_list;
// list of stuff that is being serialized
// (only used by the incremental serializer in MODE_MODULE)
// This is not quite globally rooted, but we take care to only
// ever assigned rooted values here.
static jl_array_t *serializer_worklist JL_GLOBALLY_ROOTED;
// inverse of backedges tree
// (only used by the incremental serializer in MODE_MODULE)
htable_t edges_map;
// list of modules being deserialized with __init__ methods
// (not used in MODE_IR)
extern jl_array_t *jl_module_init_order;
#define TAG_SYMBOL 2
#define TAG_SSAVALUE 3
#define TAG_DATATYPE 4
#define TAG_SLOTNUMBER 5
#define TAG_SVEC 6
#define TAG_ARRAY 7
#define TAG_NULL 8
#define TAG_EXPR 9
#define TAG_PHINODE 10
#define TAG_PHICNODE 11
#define TAG_LONG_SYMBOL 12
#define TAG_LONG_SVEC 13
#define TAG_LONG_EXPR 14
#define TAG_LONG_PHINODE 15
#define TAG_LONG_PHICNODE 16
#define TAG_METHODROOT 17
#define TAG_STRING 18
#define TAG_SHORT_INT64 19
#define TAG_SHORT_GENERAL 20
#define TAG_TYPEMAP_ENTRY 21
#define TAG_ARRAY1D 22
#define TAG_SINGLETON 23
#define TAG_MODULE 24
#define TAG_TVAR 25
#define TAG_METHOD_INSTANCE 26
#define TAG_METHOD 27
#define TAG_COMMONSYM 28
#define TAG_NEARBYGLOBAL 29
#define TAG_GLOBALREF 30
#define TAG_CORE 31
#define TAG_BASE 32
#define TAG_BITYPENAME 33
#define TAG_NEARBYMODULE 34
#define TAG_INT32 35
#define TAG_INT64 36
#define TAG_UINT8 37
#define TAG_VECTORTY 38
#define TAG_PTRTY 39
#define TAG_LONG_SSAVALUE 40
#define TAG_LONG_METHODROOT 41
#define TAG_SHORTER_INT64 42
#define TAG_SHORT_INT32 43
#define TAG_CALL1 44
#define TAG_CALL2 45
#define TAG_LINEINFO 46
#define TAG_SHORT_BACKREF 47
#define TAG_BACKREF 48
#define TAG_UNIONALL 49
#define TAG_GOTONODE 50
#define TAG_QUOTENODE 51
#define TAG_GENERAL 52
#define LAST_TAG 52
typedef enum _DUMP_MODES {
// not in the serializer at all, or
// something is seriously wrong
MODE_INVALID = 0,
// compressing / decompressing a CodeInfo
MODE_IR,
// jl_restore_new_module
// restoring a single module from disk for integration
// into the currently running system image / environment
MODE_MODULE
} DUMP_MODES;
typedef struct {
ios_t *s;
DUMP_MODES mode;
// method we're compressing for in MODE_IR
jl_method_t *method;
jl_ptls_t ptls;
jl_array_t *loaded_modules_array;
} jl_serializer_state;
static jl_value_t *jl_idtable_type = NULL;
static jl_typename_t *jl_idtable_typename = NULL;
static jl_value_t *jl_bigint_type = NULL;
static int gmp_limb_size = 0;
static arraylist_t builtin_typenames;
#define write_uint8(s, n) ios_putc((n), (s))
#define read_uint8(s) ((uint8_t)ios_getc(s))
#define write_int8(s, n) write_uint8(s, n)
#define read_int8(s) read_uint8(s)
/* read and write in host byte order */
static void write_int32(ios_t *s, int32_t i) JL_NOTSAFEPOINT
{
ios_write(s, (char*)&i, 4);
}
static int32_t read_int32(ios_t *s) JL_NOTSAFEPOINT
{
int32_t x = 0;
ios_read(s, (char*)&x, 4);
return x;
}
static void write_uint64(ios_t *s, uint64_t i) JL_NOTSAFEPOINT
{
ios_write(s, (char*)&i, 8);
}
static uint64_t read_uint64(ios_t *s) JL_NOTSAFEPOINT
{
uint64_t x = 0;
ios_read(s, (char*)&x, 8);
return x;
}
static void write_int64(ios_t *s, int64_t i) JL_NOTSAFEPOINT
{
ios_write(s, (char*)&i, 8);
}
static void write_uint16(ios_t *s, uint16_t i) JL_NOTSAFEPOINT
{
ios_write(s, (char*)&i, 2);
}
static uint16_t read_uint16(ios_t *s) JL_NOTSAFEPOINT
{
int16_t x = 0;
ios_read(s, (char*)&x, 2);
return x;
}
static void write_float64(ios_t *s, double x) JL_NOTSAFEPOINT
{
write_uint64(s, *((uint64_t*)&x));
}
// --- serialize ---
#define jl_serialize_value(s, v) jl_serialize_value_((s), (jl_value_t*)(v), 0)
static void jl_serialize_value_(jl_serializer_state *s, jl_value_t *v, int as_literal) JL_GC_DISABLED;
static jl_value_t *jl_deserialize_value(jl_serializer_state *s, jl_value_t **loc) JL_GC_DISABLED;
static int module_in_worklist(jl_module_t *mod) JL_NOTSAFEPOINT
{
int i, l = jl_array_len(serializer_worklist);
for (i = 0; i < l; i++) {
jl_module_t *workmod = (jl_module_t*)jl_array_ptr_ref(serializer_worklist, i);
if (jl_is_module(workmod) && jl_is_submodule(mod, workmod))
return 1;
}
return 0;
}
// compute whether a type references something internal to worklist
// and thus could not have existed before deserialize
// and thus does not need delayed unique-ing
static int type_in_worklist(jl_datatype_t *dt) JL_NOTSAFEPOINT
{
if (module_in_worklist(dt->name->module))
return 1;
int i, l = jl_svec_len(dt->parameters);
for (i = 0; i < l; i++) {
jl_value_t *p = jl_unwrap_unionall(jl_tparam(dt, i));
if (type_in_worklist((jl_datatype_t*)(jl_is_datatype(p) ? p : jl_typeof(p))))
return 1;
}
return 0;
}
static int type_recursively_external(jl_datatype_t *dt);
static int type_parameter_recursively_external(jl_value_t *p0) JL_NOTSAFEPOINT
{
jl_datatype_t *p = (jl_datatype_t*)p0;
while (jl_is_unionall(p)) {
if (!type_parameter_recursively_external(((jl_unionall_t*)p)->var->lb))
return 0;
if (!type_parameter_recursively_external(((jl_unionall_t*)p)->var->ub))
return 0;
p = (jl_datatype_t*)((jl_unionall_t*)p)->body;
}
if (!jl_is_datatype(p) || p->uid == 0)
return 0;
if (module_in_worklist(p->name->module))
return 0;
if (p->name->wrapper != (jl_value_t*)p0) {
if (!type_recursively_external(p))
return 0;
}
return 1;
}
// returns true if all of the parameters are tag 6 or 7
static int type_recursively_external(jl_datatype_t *dt) JL_NOTSAFEPOINT
{
if (dt->uid == 0)
return 0;
if (jl_svec_len(dt->parameters) == 0)
return 1;
int i, l = jl_svec_len(dt->parameters);
for (i = 0; i < l; i++) {
if (!type_parameter_recursively_external(jl_tparam(dt, i)))
return 0;
}
return 1;
}
static void jl_serialize_datatype(jl_serializer_state *s, jl_datatype_t *dt) JL_GC_DISABLED
{
int tag = 0;
int internal = module_in_worklist(dt->name->module);
if (!internal && jl_unwrap_unionall(dt->name->wrapper) == (jl_value_t*)dt) {
tag = 6; // external primary type
}
else if (dt->uid == 0) {
tag = 0; // normal struct
}
else if (internal) {
if (jl_unwrap_unionall(dt->name->wrapper) == (jl_value_t*)dt) // comes up often since functions create types
tag = 5; // internal, and not in the typename cache (just needs uid reassigned)
else
tag = 10; // anything else that's internal (just needs uid reassigned and possibly recaching)
}
else if (type_recursively_external(dt)) {
tag = 7; // external type that can be immediately recreated (with apply_type)
}
else if (type_in_worklist(dt)) {
tag = 10; // external, but definitely new (still needs uid and caching, but not full unique-ing)
}
else {
// this'll need a uid and unique-ing later
// flag this in the backref table as special
uintptr_t *bp = (uintptr_t*)ptrhash_bp(&backref_table, dt);
assert(*bp != (uintptr_t)HT_NOTFOUND);
*bp |= 1;
tag = 10;
}
if (strncmp(jl_symbol_name(dt->name->name), "#kw#", 4) == 0) {
/* XXX: yuck, but the auto-generated kw types from the serializer isn't a real type, so we *must* be very careful */
assert(tag == 0 || tag == 5 || tag == 6 || tag == 10);
if (tag == 6) {
jl_methtable_t *mt = dt->name->mt;
jl_datatype_t *primarydt = (jl_datatype_t*)jl_unwrap_unionall(jl_get_global(mt->module, mt->name));
assert(jl_is_datatype(primarydt));
assert(jl_typeof(primarydt->name->mt->kwsorter) == (jl_value_t*)dt);
dt = primarydt;
tag = 9;
}
}
write_uint8(s->s, TAG_DATATYPE);
write_uint8(s->s, tag);
if (tag == 6) {
jl_serialize_value(s, dt->name);
return;
}
if (tag == 7) {
jl_serialize_value(s, dt->name);
jl_serialize_value(s, dt->parameters);
return;
}
if (tag == 9) {
jl_serialize_value(s, dt);
return;
}
write_int32(s->s, dt->size);
int has_instance = (dt->instance != NULL);
int has_layout = (dt->layout != NULL);
write_uint8(s->s, dt->abstract | (dt->mutabl << 1) | (has_layout << 2) | (has_instance << 3));
write_uint8(s->s, dt->hasfreetypevars
| (dt->isconcretetype << 1)
| (dt->isdispatchtuple << 2)
| (dt->isbitstype << 3)
| (dt->zeroinit << 4)
| (dt->isinlinealloc << 5));
if (!dt->abstract) {
write_uint16(s->s, dt->ninitialized);
}
if (has_layout) {
uint8_t layout = 0;
if (dt->layout == ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_array_type))->layout) {
layout = 1;
}
else if (dt->layout == jl_void_type->layout) {
layout = 2;
}
else if (dt->layout == ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_pointer_type))->layout) {
layout = 3;
}
write_uint8(s->s, layout);
if (layout == 0) {
uint32_t nf = dt->layout->nfields;
write_int32(s->s, nf);
uint32_t alignment = ((uint32_t*)dt->layout)[1];
write_int32(s->s, alignment);
if (dt->layout->npointers && nf)
write_int32(s->s, ((uint32_t*)dt->layout)[-1]);
size_t fieldsize = jl_fielddesc_size(dt->layout->fielddesc_type);
ios_write(s->s, (char*)(&dt->layout[1]), nf * fieldsize);
}
}
if (has_instance)
jl_serialize_value(s, dt->instance);
jl_serialize_value(s, dt->name);
jl_serialize_value(s, dt->names);
jl_serialize_value(s, dt->parameters);
jl_serialize_value(s, dt->super);
jl_serialize_value(s, dt->types);
}
static void jl_serialize_module(jl_serializer_state *s, jl_module_t *m)
{
write_uint8(s->s, TAG_MODULE);
jl_serialize_value(s, m->name);
size_t i;
if (!module_in_worklist(m)) {
if (m == m->parent) {
// top-level module
write_int8(s->s, 2);
int j = 0;
for (i = 0; i < jl_array_len(s->loaded_modules_array); i++) {
jl_module_t *mi = (jl_module_t*)jl_array_ptr_ref(s->loaded_modules_array, i);
if (!module_in_worklist(mi)) {
if (m == mi) {
write_int32(s->s, j);
return;
}
j++;
}
}
assert(0 && "top level module not found in modules array");
}
else {
write_int8(s->s, 1);
jl_serialize_value(s, m->parent);
}
return;
}
write_int8(s->s, 0);
jl_serialize_value(s, m->parent);
void **table = m->bindings.table;
for(i=1; i < m->bindings.size; i+=2) {
if (table[i] != HT_NOTFOUND) {
jl_binding_t *b = (jl_binding_t*)table[i];
if (b->owner == m || m != jl_main_module) {
jl_serialize_value(s, b->name);
jl_serialize_value(s, b->value);
jl_serialize_value(s, b->globalref);
jl_serialize_value(s, b->owner);
write_int8(s->s, (b->deprecated<<3) | (b->constp<<2) | (b->exportp<<1) | (b->imported));
}
}
}
jl_serialize_value(s, NULL);
if (m == jl_main_module) {
write_int32(s->s, 1);
jl_serialize_value(s, (jl_value_t*)jl_core_module);
}
else {
write_int32(s->s, m->usings.len);
for(i=0; i < m->usings.len; i++) {
jl_serialize_value(s, (jl_value_t*)m->usings.items[i]);
}
}
write_uint8(s->s, m->istopmod);
write_uint64(s->s, m->uuid.hi);
write_uint64(s->s, m->uuid.lo);
write_uint64(s->s, m->build_id);
write_int32(s->s, m->counter);
write_int32(s->s, m->nospecialize);
}
static int is_ast_node(jl_value_t *v)
{
// TODO: this accidentally copies QuoteNode(Expr(...)) and QuoteNode(svec(...))
return jl_is_slot(v) || jl_is_ssavalue(v) ||
jl_is_uniontype(v) || jl_is_expr(v) || jl_is_newvarnode(v) ||
jl_is_svec(v) || jl_is_tuple(v) || ((jl_datatype_t*)jl_typeof(v))->instance ||
jl_is_int32(v) || jl_is_int64(v) || jl_is_bool(v) || jl_is_uint8(v) ||
jl_is_quotenode(v) || jl_is_gotonode(v) || jl_is_linenode(v) || jl_is_globalref(v) ||
jl_is_phinode(v) || jl_is_phicnode(v) || jl_is_upsilonnode(v) || jl_is_pinode(v) ||
jl_typeis(v, jl_lineinfonode_type);
}
static int literal_val_id(jl_serializer_state *s, jl_value_t *v) JL_GC_DISABLED
{
jl_array_t *rs = s->method->roots;
int i, l = jl_array_len(rs);
if (jl_is_symbol(v) || jl_is_concrete_type(v)) {
for (i = 0; i < l; i++) {
if (jl_array_ptr_ref(rs, i) == v)
return i;
}
}
else {
for (i = 0; i < l; i++) {
if (jl_egal(jl_array_ptr_ref(rs, i), v))
return i;
}
}
jl_array_ptr_1d_push(rs, v);
return jl_array_len(rs) - 1;
}
static void jl_serialize_value_(jl_serializer_state *s, jl_value_t *v, int as_literal) JL_GC_DISABLED
{
if (v == NULL) {
write_uint8(s->s, TAG_NULL);
return;
}
void *tag = ptrhash_get(&ser_tag, v);
if (tag != HT_NOTFOUND) {
uint8_t t8 = (intptr_t)tag;
if (t8 <= LAST_TAG)
write_uint8(s->s, 0);
write_uint8(s->s, t8);
return;
}
if (jl_is_symbol(v)) {
void *idx = ptrhash_get(&common_symbol_tag, v);
if (idx != HT_NOTFOUND) {
write_uint8(s->s, TAG_COMMONSYM);
write_uint8(s->s, (uint8_t)(size_t)idx);
return;
}
}
else if (v == (jl_value_t*)jl_core_module) {
write_uint8(s->s, TAG_CORE);
return;
}
else if (v == (jl_value_t*)jl_base_module) {
write_uint8(s->s, TAG_BASE);
return;
}
if (s->mode == MODE_IR) {
if (v == (jl_value_t*)s->method->module) {
write_uint8(s->s, TAG_NEARBYMODULE);
return;
}
else if (jl_is_datatype(v) && ((jl_datatype_t*)v)->name == jl_array_typename &&
jl_is_long(jl_tparam1(v)) && jl_unbox_long(jl_tparam1(v)) == 1 &&
!((jl_datatype_t*)v)->hasfreetypevars) {
write_uint8(s->s, TAG_VECTORTY);
jl_serialize_value(s, jl_tparam0(v));
return;
}
else if (jl_is_datatype(v) && ((jl_datatype_t*)v)->name == jl_pointer_typename &&
!((jl_datatype_t*)v)->hasfreetypevars) {
write_uint8(s->s, TAG_PTRTY);
jl_serialize_value(s, jl_tparam0(v));
return;
}
else if (!as_literal && !is_ast_node(v)) {
int id = literal_val_id(s, v);
assert(id >= 0);
if (id < 256) {
write_uint8(s->s, TAG_METHODROOT);
write_uint8(s->s, id);
}
else {
assert(id <= UINT16_MAX);
write_uint8(s->s, TAG_LONG_METHODROOT);
write_uint16(s->s, id);
}
return;
}
}
else if (!jl_is_uint8(v)) {
void **bp = ptrhash_bp(&backref_table, v);
if (*bp != HT_NOTFOUND) {
uintptr_t pos = (char*)*bp - (char*)HT_NOTFOUND - 1;
if (pos < 65536) {
write_uint8(s->s, TAG_SHORT_BACKREF);
write_uint16(s->s, pos);
}
else {
write_uint8(s->s, TAG_BACKREF);
write_int32(s->s, pos);
}
return;
}
intptr_t pos = backref_table_numel++;
if (((jl_datatype_t*)(jl_typeof(v)))->name == jl_idtable_typename) {
// will need to rehash this, later (after types are fully constructed)
arraylist_push(&reinit_list, (void*)pos);
arraylist_push(&reinit_list, (void*)1);
}
if (jl_is_module(v)) {
jl_module_t *m = (jl_module_t*)v;
if (module_in_worklist(m) && !module_in_worklist(m->parent)) {
// will need to reinsert this into parent bindings, later (in case of any errors during reinsert)
arraylist_push(&reinit_list, (void*)pos);
arraylist_push(&reinit_list, (void*)2);
}
}
// TypeMapLevels need to be rehashed
if (jl_is_mtable(v)) {
arraylist_push(&reinit_list, (void*)pos);
arraylist_push(&reinit_list, (void*)3);
}
if (jl_is_method(v) && jl_typeof(((jl_method_t*)v)->specializations) == (jl_value_t*)jl_typemap_level_type) {
arraylist_push(&reinit_list, (void*)pos);
arraylist_push(&reinit_list, (void*)4);
}
pos <<= 1;
ptrhash_put(&backref_table, v, (char*)HT_NOTFOUND + pos + 1);
}
size_t i;
if (jl_is_svec(v)) {
size_t l = jl_svec_len(v);
if (l <= 255) {
write_uint8(s->s, TAG_SVEC);
write_uint8(s->s, (uint8_t)l);
}
else {
write_uint8(s->s, TAG_LONG_SVEC);
write_int32(s->s, l);
}
for (i = 0; i < l; i++) {
jl_serialize_value(s, jl_svecref(v, i));
}
}
else if (jl_is_symbol(v)) {
size_t l = strlen(jl_symbol_name((jl_sym_t*)v));
if (l <= 255) {
write_uint8(s->s, TAG_SYMBOL);
write_uint8(s->s, (uint8_t)l);
}
else {
write_uint8(s->s, TAG_LONG_SYMBOL);
write_int32(s->s, l);
}
ios_write(s->s, jl_symbol_name((jl_sym_t*)v), l);
}
else if (jl_is_globalref(v)) {
if (s->mode == MODE_IR && jl_globalref_mod(v) == s->method->module) {
write_uint8(s->s, TAG_NEARBYGLOBAL);
jl_serialize_value(s, jl_globalref_name(v));
}
else {
write_uint8(s->s, TAG_GLOBALREF);
jl_serialize_value(s, jl_globalref_mod(v));
jl_serialize_value(s, jl_globalref_name(v));
}
}
else if (jl_is_ssavalue(v) && ((jl_ssavalue_t*)v)->id < 256 && ((jl_ssavalue_t*)v)->id >= 0) {
write_uint8(s->s, TAG_SSAVALUE);
write_uint8(s->s, ((jl_ssavalue_t*)v)->id);
}
else if (jl_is_ssavalue(v) && ((jl_ssavalue_t*)v)->id <= UINT16_MAX && ((jl_ssavalue_t*)v)->id >= 0) {
write_uint8(s->s, TAG_LONG_SSAVALUE);
write_uint16(s->s, ((jl_ssavalue_t*)v)->id);
}
else if (jl_typeis(v, jl_slotnumber_type) && jl_slot_number(v) <= UINT16_MAX && jl_slot_number(v) >= 0) {
write_uint8(s->s, TAG_SLOTNUMBER);
write_uint16(s->s, jl_slot_number(v));
}
else if (jl_is_array(v)) {
jl_array_t *ar = (jl_array_t*)v;
int isunion = jl_is_uniontype(jl_tparam0(jl_typeof(ar)));
if (ar->flags.ndims == 1 && ar->elsize <= 0x3f) {
write_uint8(s->s, TAG_ARRAY1D);
write_uint8(s->s, (ar->flags.ptrarray<<7) | (isunion << 6) | (ar->elsize & 0x3f));
}
else {
write_uint8(s->s, TAG_ARRAY);
write_uint16(s->s, ar->flags.ndims);
write_uint16(s->s, (ar->flags.ptrarray << 15) | (isunion << 14) | (ar->elsize & 0x3fff));
}
for (i = 0; i < ar->flags.ndims; i++)
jl_serialize_value(s, jl_box_long(jl_array_dim(ar,i)));
jl_serialize_value(s, jl_typeof(ar));
if (!ar->flags.ptrarray) {
ios_write(s->s, (char*)jl_array_data(ar), jl_array_len(ar) * ar->elsize);
if (jl_array_isbitsunion(ar))
ios_write(s->s, jl_array_typetagdata(ar), jl_array_len(ar));
}
else {
for (i = 0; i < jl_array_len(ar); i++) {
jl_serialize_value(s, jl_array_ptr_ref(v, i));
}
}
}
else if (jl_is_expr(v)) {
jl_expr_t *e = (jl_expr_t*)v;
size_t l = jl_array_len(e->args);
if (e->head == call_sym) {
if (l == 2) {
write_uint8(s->s, TAG_CALL1);
jl_serialize_value(s, jl_exprarg(e, 0));
jl_serialize_value(s, jl_exprarg(e, 1));
return;
}
else if (l == 3) {
write_uint8(s->s, TAG_CALL2);
jl_serialize_value(s, jl_exprarg(e, 0));
jl_serialize_value(s, jl_exprarg(e, 1));
jl_serialize_value(s, jl_exprarg(e, 2));
return;
}
}
if (l <= 255) {
write_uint8(s->s, TAG_EXPR);
write_uint8(s->s, (uint8_t)l);
}
else {
write_uint8(s->s, TAG_LONG_EXPR);
write_int32(s->s, l);
}
jl_serialize_value(s, e->head);
for (i = 0; i < l; i++) {
jl_serialize_value(s, jl_exprarg(e, i));
}
}
else if (jl_is_phinode(v)) {
jl_array_t *edges = (jl_array_t*)jl_fieldref_noalloc(v, 0);
jl_array_t *values = (jl_array_t*)jl_fieldref_noalloc(v, 1);
size_t l = jl_array_len(edges);
if (l <= 255 && jl_array_len(values) == l) {
write_uint8(s->s, TAG_PHINODE);
write_uint8(s->s, (uint8_t)l);
}
else {
write_uint8(s->s, TAG_LONG_PHINODE);
write_int32(s->s, l);
write_int32(s->s, jl_array_len(values));
}
for (i = 0; i < l; i++) {
jl_serialize_value(s, jl_array_ptr_ref(edges, i));
}
l = jl_array_len(values);
for (i = 0; i < l; i++) {
jl_serialize_value(s, jl_array_ptr_ref(values, i));
}
}
else if (jl_is_phicnode(v)) {
jl_array_t *values = (jl_array_t*)jl_fieldref_noalloc(v, 0);
size_t l = jl_array_len(values);
if (l <= 255) {
write_uint8(s->s, TAG_PHICNODE);
write_uint8(s->s, (uint8_t)l);
}
else {
write_uint8(s->s, TAG_LONG_PHICNODE);
write_int32(s->s, l);
}
for (i = 0; i < l; i++) {
jl_serialize_value(s, jl_array_ptr_ref(values, i));
}
}
else if (jl_is_gotonode(v)) {
write_uint8(s->s, TAG_GOTONODE);
jl_serialize_value(s, jl_get_nth_field(v, 0));
}
else if (jl_is_quotenode(v)) {
write_uint8(s->s, TAG_QUOTENODE);
jl_serialize_value(s, jl_get_nth_field(v, 0));
}
else if (jl_is_datatype(v)) {
jl_serialize_datatype(s, (jl_datatype_t*)v);
}
else if (jl_is_unionall(v)) {
write_uint8(s->s, TAG_UNIONALL);
jl_datatype_t *d = (jl_datatype_t*)jl_unwrap_unionall(v);
if (jl_is_datatype(d) && d->name->wrapper == v &&
!module_in_worklist(d->name->module)) {
write_uint8(s->s, 1);
jl_serialize_value(s, d->name->module);
jl_serialize_value(s, d->name->name);
}
else {
write_uint8(s->s, 0);
jl_serialize_value(s, ((jl_unionall_t*)v)->var);
jl_serialize_value(s, ((jl_unionall_t*)v)->body);
}
}
else if (jl_is_typevar(v)) {
write_uint8(s->s, TAG_TVAR);
jl_serialize_value(s, ((jl_tvar_t*)v)->name);
jl_serialize_value(s, ((jl_tvar_t*)v)->lb);
jl_serialize_value(s, ((jl_tvar_t*)v)->ub);
}
else if (jl_is_method(v)) {
write_uint8(s->s, TAG_METHOD);
jl_method_t *m = (jl_method_t*)v;
int internal = 1;
int external_mt = 0;
internal = module_in_worklist(m->module);
if (!internal) {
// flag this in the backref table as special
uintptr_t *bp = (uintptr_t*)ptrhash_bp(&backref_table, v);
assert(*bp != (uintptr_t)HT_NOTFOUND);
*bp |= 1;
}
jl_serialize_value(s, (jl_value_t*)m->sig);
write_uint8(s->s, internal);
if (!internal)
return;
jl_datatype_t *gf = jl_first_argument_datatype((jl_value_t*)m->sig);
assert(jl_is_datatype(gf) && gf->name->mt);
external_mt = !module_in_worklist(gf->name->mt->module);
jl_serialize_value(s, m->specializations);
jl_serialize_value(s, (jl_value_t*)m->name);
jl_serialize_value(s, (jl_value_t*)m->file);
write_int32(s->s, m->line);
if (external_mt)
jl_serialize_value(s, jl_nothing);
else
jl_serialize_value(s, (jl_value_t*)m->ambig);
write_int32(s->s, m->called);
write_int32(s->s, m->nargs);
write_int32(s->s, m->nospecialize);
write_int8(s->s, m->isva);
write_int8(s->s, m->pure);
jl_serialize_value(s, (jl_value_t*)m->module);
jl_serialize_value(s, (jl_value_t*)m->sparam_syms);
jl_serialize_value(s, (jl_value_t*)m->roots);
jl_serialize_value(s, (jl_value_t*)m->source);
jl_serialize_value(s, (jl_value_t*)m->unspecialized);
jl_serialize_value(s, (jl_value_t*)m->generator);
jl_serialize_value(s, (jl_value_t*)m->invokes);
}
else if (jl_is_method_instance(v)) {
write_uint8(s->s, TAG_METHOD_INSTANCE);
jl_method_instance_t *li = (jl_method_instance_t*)v;
int internal = 0;
if (li->max_world == 0 && li->min_world == 0) {
internal = 1; // not world-tracked
}
else if (!jl_is_method(li->def.method) || module_in_worklist(li->def.method->module)) {
if (li->max_world == ~(size_t)0) {
internal = 2; // update world on deserialization
}
else {
internal = 3; // garbage object :(
}
}
if (!internal) {
// also flag this in the backref table as special
uintptr_t *bp = (uintptr_t*)ptrhash_bp(&backref_table, v);
assert(*bp != (uintptr_t)HT_NOTFOUND);
*bp |= 1;
}
if (li->invoke == jl_fptr_const_return)
write_uint8(s->s, internal | 4);
else
write_uint8(s->s, internal);
jl_serialize_value(s, (jl_value_t*)li->specTypes);
if (!internal)
jl_serialize_value(s, (jl_value_t*)li->def.method->sig);
else
jl_serialize_value(s, li->def.value);
if (!internal)
return;
jl_serialize_value(s, li->inferred);
jl_serialize_value(s, li->inferred_const);
jl_serialize_value(s, li->rettype);
jl_serialize_value(s, (jl_value_t*)li->sparam_vals);
jl_array_t *backedges = li->backedges;
if (s->mode == MODE_MODULE && backedges) {
// filter backedges to only contain pointers
// to items that we will actually store (internal == 2)
size_t ins, i, l = jl_array_len(backedges);
jl_method_instance_t **b_edges = (jl_method_instance_t**)jl_array_data(backedges);
for (ins = i = 0; i < l; i++) {
jl_method_instance_t *backedge = b_edges[i];
if (module_in_worklist(backedge->def.method->module)) {
b_edges[ins++] = backedge;
}
}
if (ins != l)
jl_array_del_end(backedges, l - ins);
if (ins == 0)
backedges = NULL;
}
jl_serialize_value(s, (jl_value_t*)backedges);
}
else if (jl_typeis(v, jl_module_type)) {
jl_serialize_module(s, (jl_module_t*)v);
}
else if (jl_typeis(v, jl_task_type)) {
jl_error("Task cannot be serialized");
}
else if (jl_typeis(v, jl_string_type)) {
write_uint8(s->s, TAG_STRING);
write_int32(s->s, jl_string_len(v));
ios_write(s->s, jl_string_data(v), jl_string_len(v));
}
else if (jl_typeis(v, jl_typemap_entry_type)) {
write_uint8(s->s, TAG_TYPEMAP_ENTRY);
size_t n = 0;
jl_typemap_entry_t *te = (jl_typemap_entry_t*)v;
while ((jl_value_t*)te != jl_nothing) {
n++; te = te->next;
}
write_int32(s->s, n);
te = (jl_typemap_entry_t*)v;
size_t i, nf = jl_datatype_nfields(jl_typemap_entry_type);
while ((jl_value_t*)te != jl_nothing) {
for (i = 1; i < nf; i++) {
if (jl_field_size(jl_typemap_entry_type, i) > 0) {
jl_serialize_value(s, jl_get_nth_field((jl_value_t*)te, i));
if (!jl_field_isptr(jl_typemap_entry_type, i))
write_int8(s->s, 0);
}
}
te = te->next;
}
}
else if (jl_typeis(v, jl_int64_type)) {
void *data = jl_data_ptr(v);
if (*(int64_t*)data >= INT16_MIN && *(int64_t*)data <= INT16_MAX) {
write_uint8(s->s, TAG_SHORTER_INT64);
write_uint16(s->s, (uint16_t)*(int64_t*)data);
}
else if (*(int64_t*)data >= S32_MIN && *(int64_t*)data <= S32_MAX) {
write_uint8(s->s, TAG_SHORT_INT64);
write_int32(s->s, (int32_t)*(int64_t*)data);
}
else {
write_uint8(s->s, TAG_INT64);
write_int64(s->s, *(int64_t*)data);
}
}
else if (jl_typeis(v, jl_int32_type)) {
void *data = jl_data_ptr(v);
if (*(int32_t*)data >= INT16_MIN && *(int32_t*)data <= INT16_MAX) {
write_uint8(s->s, TAG_SHORT_INT32);
write_uint16(s->s, (uint16_t)*(int32_t*)data);
}
else {
write_uint8(s->s, TAG_INT32);
write_int32(s->s, *(int32_t*)data);
}
}
else if (jl_typeis(v, jl_uint8_type)) {
write_uint8(s->s, TAG_UINT8);
write_int8(s->s, *(int8_t*)jl_data_ptr(v));
}
else if (jl_typeis(v, jl_lineinfonode_type)) {
write_uint8(s->s, TAG_LINEINFO);
for (i = 0; i < jl_datatype_nfields(jl_lineinfonode_type); i++)
jl_serialize_value(s, jl_get_nth_field(v, i));
}
else if (jl_bigint_type && jl_typeis(v, jl_bigint_type)) {
write_uint8(s->s, TAG_SHORT_GENERAL);
write_uint8(s->s, jl_datatype_size(jl_bigint_type));
jl_serialize_value(s, jl_bigint_type);
jl_value_t *sizefield = jl_get_nth_field(v, 1);
jl_serialize_value(s, sizefield);
void *data = jl_unbox_voidpointer(jl_get_nth_field(v, 2));
int32_t sz = jl_unbox_int32(sizefield);
size_t nb = (sz == 0 ? 1 : (sz < 0 ? -sz : sz)) * gmp_limb_size;
ios_write(s->s, (char*)data, nb);
}
else {
jl_datatype_t *t = (jl_datatype_t*)jl_typeof(v);
void *data = jl_data_ptr(v);
{
if (v == t->instance) {
if (s->mode == MODE_MODULE && !type_in_worklist(t)) {
// also flag this in the backref table as special
// if it might not be unique (is external)
uintptr_t *bp = (uintptr_t*)ptrhash_bp(&backref_table, v);
assert(*bp != (uintptr_t)HT_NOTFOUND);
*bp |= 1;
}
write_uint8(s->s, TAG_SINGLETON);
jl_serialize_value(s, t);
return;
}
assert(!t->instance && "detected singleton construction corruption");
if (t == jl_typename_type) {
void *bttag = ptrhash_get(&ser_tag, ((jl_typename_t*)t)->wrapper);
if (bttag != HT_NOTFOUND) {
write_uint8(s->s, TAG_BITYPENAME);
write_uint8(s->s, (uint8_t)(intptr_t)bttag);
return;
}
}
if (t->size <= 255) {
write_uint8(s->s, TAG_SHORT_GENERAL);
write_uint8(s->s, t->size);
}
else {
write_uint8(s->s, TAG_GENERAL);
write_int32(s->s, t->size);
}
jl_serialize_value(s, t);
if (t == jl_typename_type) {
if (module_in_worklist(((jl_typename_t*)v)->module)) {
write_uint8(s->s, 0);
}
else {
write_uint8(s->s, 1);
jl_typename_t *tn = (jl_typename_t*)v;
jl_serialize_value(s, tn->module);
jl_serialize_value(s, tn->name);
return;
}
}
if (t == jl_typemap_level_type) {
// perform some compression on the typemap levels
// (which will need to be rehashed during deserialization anyhow)
jl_typemap_level_t *node = (jl_typemap_level_t*)v;
assert( // make sure this type has the expected ordering
offsetof(jl_typemap_level_t, arg1) == 0 * sizeof(jl_value_t*) &&
offsetof(jl_typemap_level_t, targ) == 2 * sizeof(jl_value_t*) &&
offsetof(jl_typemap_level_t, linear) == 4 * sizeof(jl_value_t*) &&
offsetof(jl_typemap_level_t, any) == 5 * sizeof(jl_value_t*) &&
offsetof(jl_typemap_level_t, key) == 6 * sizeof(jl_value_t*) &&
sizeof(jl_typemap_level_t) == 7 * sizeof(jl_value_t*));
jl_serialize_value(s, jl_nothing);
jl_serialize_value(s, node->arg1.values);
jl_serialize_value(s, jl_nothing);
jl_serialize_value(s, node->targ.values);
jl_serialize_value(s, node->linear);
jl_serialize_value(s, node->any);
jl_serialize_value(s, node->key);
return;
}
size_t nf = jl_datatype_nfields(t);
if (nf == 0 && jl_datatype_size(t) > 0) {
if (t->name == jl_pointer_typename && jl_unbox_voidpointer(v) != (void*)-1) {
// normalize most pointers to NULL, to help catch memory errors
// but permit MAP_FAILED / INVALID_HANDLE to be stored unchanged
write_int32(s->s, 0);
#ifdef _P64
write_int32(s->s, 0);
#endif
}
else {
ios_write(s->s, (char*)data, jl_datatype_size(t));
}
}
else {
size_t i;
for (i = 0; i < nf; i++) {
size_t offs = jl_field_offset(t, i);
size_t fsz = jl_field_size(t, i);
if (fsz > 0) {
jl_serialize_value(s, jl_get_nth_field(v, i));
if (!jl_field_isptr(t, i)) {
uint8_t sel = 0;
if (jl_is_uniontype(jl_field_type(t, i))) {
sel = ((uint8_t*)v)[offs + fsz - 1] + 1;
}
write_int8(s->s, sel);
}
}
}
}
}
}
}
static void jl_collect_missing_backedges_to_mod(jl_methtable_t *mt)
{
jl_array_t *backedges = mt->backedges;
if (backedges) {
size_t i, l = jl_array_len(backedges);
for (i = 1; i < l; i += 2) {
jl_method_instance_t *caller = (jl_method_instance_t*)jl_array_ptr_ref(backedges, i);
if (caller->max_world == ~(size_t)0) {
jl_value_t *missing_callee = jl_array_ptr_ref(backedges, i - 1);
jl_array_t **edges = (jl_array_t**)ptrhash_bp(&edges_map, (void*)caller);
if (*edges == HT_NOTFOUND)
*edges = jl_alloc_vec_any(0);
jl_array_ptr_1d_push(*edges, missing_callee);
}
}
}
}
// the intent of this function is to invert the backedges tree
// for anything that points to a method not part of the worklist
static void collect_backedges(jl_method_instance_t *callee) JL_GC_DISABLED
{
jl_array_t *backedges = callee->backedges;
if (backedges) {
assert(callee->max_world == ~(size_t)0);
size_t i, l = jl_array_len(backedges);
for (i = 0; i < l; i++) {
jl_method_instance_t *caller = (jl_method_instance_t*)jl_array_ptr_ref(backedges, i);
if (caller->max_world == ~(size_t)0) {
jl_array_t **edges = (jl_array_t**)ptrhash_bp(&edges_map, caller);
if (*edges == HT_NOTFOUND)
*edges = jl_alloc_vec_any(0);
jl_array_ptr_1d_push(*edges, (jl_value_t*)callee);
}
}
}
}
static int jl_collect_backedges_to_mod(jl_typemap_entry_t *ml, void *closure) JL_GC_DISABLED
{
(void)(jl_array_t*)closure;
jl_method_instance_t *callee = ml->func.linfo;
collect_backedges(callee);
return 1;
}
static int jl_collect_methcache_from_mod(jl_typemap_entry_t *ml, void *closure) JL_GC_DISABLED
{
jl_array_t *s = (jl_array_t*)closure;
jl_method_t *m = ml->func.method;
if (module_in_worklist(m->module)) {
jl_array_ptr_1d_push(s, (jl_value_t*)m);
jl_array_ptr_1d_push(s, (jl_value_t*)ml->simplesig);
}
else {
jl_typemap_visitor(m->specializations, jl_collect_backedges_to_mod, closure);
}
return 1;
}
static void jl_collect_methtable_from_mod(jl_array_t *s, jl_typename_t *tn) JL_GC_DISABLED
{
jl_typemap_visitor(tn->mt->defs, jl_collect_methcache_from_mod, (void*)s);
}
static void jl_collect_lambdas_from_mod(jl_array_t *s, jl_module_t *m) JL_GC_DISABLED
{
if (module_in_worklist(m))
return;
size_t i;
void **table = m->bindings.table;
for (i = 1; i < m->bindings.size; i += 2) {
if (table[i] != HT_NOTFOUND) {
jl_binding_t *b = (jl_binding_t*)table[i];
if (b->owner == m && b->value && b->constp) {
jl_value_t *bv = jl_unwrap_unionall(b->value);
if (jl_is_datatype(bv)) {
jl_typename_t *tn = ((jl_datatype_t*)bv)->name;
if (tn->module == m && tn->name == b->name && tn->wrapper == b->value) {
jl_methtable_t *mt = tn->mt;
if (mt != NULL &&
(jl_value_t*)mt != jl_nothing &&
(mt != jl_type_type_mt || tn == jl_type_typename)) {
jl_collect_methtable_from_mod(s, tn);
jl_collect_missing_backedges_to_mod(mt);
}
}
}
else if (jl_is_module(b->value)) {
jl_module_t *child = (jl_module_t*)b->value;
if (child != m && child->parent == m && child->name == b->name) {
// this is the original/primary binding for the submodule
jl_collect_lambdas_from_mod(s, (jl_module_t*)b->value);
}
}
}
}
}
}
// flatten the backedge map reachable from caller into callees
static void jl_collect_backedges_to(jl_method_instance_t *caller, htable_t *all_callees) JL_GC_DISABLED
{
jl_array_t **pcallees = (jl_array_t**)ptrhash_bp(&edges_map, (void*)caller),
*callees = *pcallees;
if (callees != HT_NOTFOUND) {
*pcallees = (jl_array_t*) HT_NOTFOUND;
size_t i, l = jl_array_len(callees);
for (i = 0; i < l; i++) {
jl_value_t *c = jl_array_ptr_ref(callees, i);
ptrhash_put(all_callees, c, c);
if (jl_is_method_instance(c)) {
jl_collect_backedges_to((jl_method_instance_t*)c, all_callees);
}
}
}
}
static void jl_collect_backedges(jl_array_t *s)
{
htable_t all_callees;
htable_new(&all_callees, 0);
size_t i;
void **table = edges_map.table;
for (i = 0; i < edges_map.size; i += 2) {
jl_method_instance_t *caller = (jl_method_instance_t*)table[i];
jl_array_t *callees = (jl_array_t*)table[i + 1];
if (callees != HT_NOTFOUND && module_in_worklist(caller->def.method->module)) {
size_t i, l = jl_array_len(callees);
for (i = 0; i < l; i++) {
jl_value_t *c = jl_array_ptr_ref(callees, i);
ptrhash_put(&all_callees, c, c);
if (jl_is_method_instance(c)) {
jl_collect_backedges_to((jl_method_instance_t*)c, &all_callees);
}
}
jl_array_del_end(callees, l);
void **pc = all_callees.table;
size_t j;
for(j = 0; j < all_callees.size; j += 2) {
if (pc[j+1] != HT_NOTFOUND)
jl_array_ptr_1d_push(callees, (jl_value_t*)pc[j]);
}
htable_reset(&all_callees, 100);
jl_array_ptr_1d_push(s, (jl_value_t*)caller);
jl_array_ptr_1d_push(s, (jl_value_t*)callees);
}
}
htable_free(&all_callees);
}
// serialize information about all loaded modules
static void write_mod_list(ios_t *s, jl_array_t *a)
{
size_t i;
size_t len = jl_array_len(a);
for (i = 0; i < len; i++) {
jl_module_t *m = (jl_module_t*)jl_array_ptr_ref(a, i);
assert(jl_is_module(m));
if (!module_in_worklist(m)) {
const char *modname = jl_symbol_name(m->name);
size_t l = strlen(modname);
write_int32(s, l);
ios_write(s, modname, l);
write_uint64(s, m->uuid.hi);
write_uint64(s, m->uuid.lo);
write_uint64(s, m->build_id);
}
}
write_int32(s, 0);
}
// "magic" string and version header of .ji file
static const int JI_FORMAT_VERSION = 7;
static const char JI_MAGIC[] = "\373jli\r\n\032\n"; // based on PNG signature
static const uint16_t BOM = 0xFEFF; // byte-order marker
static void write_header(ios_t *s)
{
ios_write(s, JI_MAGIC, strlen(JI_MAGIC));
write_uint16(s, JI_FORMAT_VERSION);
ios_write(s, (char *) &BOM, 2);
write_uint8(s, sizeof(void*));
ios_write(s, JL_BUILD_UNAME, strlen(JL_BUILD_UNAME)+1);
ios_write(s, JL_BUILD_ARCH, strlen(JL_BUILD_ARCH)+1);
ios_write(s, JULIA_VERSION_STRING, strlen(JULIA_VERSION_STRING)+1);
const char *branch = jl_git_branch(), *commit = jl_git_commit();
ios_write(s, branch, strlen(branch)+1);
ios_write(s, commit, strlen(commit)+1);
}
// serialize information about the result of deserializing this file
static void write_work_list(ios_t *s)
{
int i, l = jl_array_len(serializer_worklist);
for (i = 0; i < l; i++) {
jl_module_t *workmod = (jl_module_t*)jl_array_ptr_ref(serializer_worklist, i);
if (workmod->parent == jl_main_module || workmod->parent == workmod) {
size_t l = strlen(jl_symbol_name(workmod->name));
write_int32(s, l);
ios_write(s, jl_symbol_name(workmod->name), l);
write_uint64(s, workmod->uuid.hi);
write_uint64(s, workmod->uuid.lo);
write_uint64(s, workmod->build_id);
}
}
write_int32(s, 0);
}
static void write_module_path(ios_t *s, jl_module_t *depmod) JL_NOTSAFEPOINT
{
if (depmod->parent == jl_main_module || depmod->parent == depmod)
return;
const char *mname = jl_symbol_name(depmod->name);
size_t slen = strlen(mname);
write_module_path(s, depmod->parent);
write_int32(s, slen);
ios_write(s, mname, slen);
}
// serialize the global _require_dependencies array of pathnames that
// are include dependencies
static int64_t write_dependency_list(ios_t *s, jl_array_t **udepsp, jl_array_t *mod_array)
{
int64_t initial_pos = 0;
int64_t pos = 0;
static jl_array_t *deps = NULL;
if (!deps)
deps = (jl_array_t*)jl_get_global(jl_base_module, jl_symbol("_require_dependencies"));
// unique(deps) to eliminate duplicates while preserving order:
// we preserve order so that the topmost included .jl file comes first
static jl_value_t *unique_func = NULL;
if (!unique_func)
unique_func = jl_get_global(jl_base_module, jl_symbol("unique"));
jl_value_t *uniqargs[2] = {unique_func, (jl_value_t*)deps};
size_t last_age = jl_get_ptls_states()->world_age;
jl_get_ptls_states()->world_age = jl_world_counter;
jl_array_t *udeps = (*udepsp = deps && unique_func ? (jl_array_t*)jl_apply(uniqargs, 2) : NULL);
jl_get_ptls_states()->world_age = last_age;
// write a placeholder for total size so that we can quickly seek past all of the
// dependencies if we don't need them
initial_pos = ios_pos(s);
write_uint64(s, 0);
if (udeps) {
size_t i, l = jl_array_len(udeps);
for (i = 0; i < l; i++) {
jl_value_t *deptuple = jl_array_ptr_ref(udeps, i);
jl_value_t *dep = jl_fieldref(deptuple, 1); // file abspath
size_t slen = jl_string_len(dep);
write_int32(s, slen);
ios_write(s, jl_string_data(dep), slen);
write_float64(s, jl_unbox_float64(jl_fieldref(deptuple, 2))); // mtime
jl_module_t *depmod = (jl_module_t*)jl_fieldref(deptuple, 0); // evaluating module
jl_module_t *depmod_top = depmod;
while (depmod_top->parent != jl_main_module && depmod_top->parent != depmod_top)
depmod_top = depmod_top->parent;
unsigned provides = 0;
size_t j, lj = jl_array_len(serializer_worklist);
for (j = 0; j < lj; j++) {
jl_module_t *workmod = (jl_module_t*)jl_array_ptr_ref(serializer_worklist, j);
if (workmod->parent == jl_main_module || workmod->parent == workmod) {
++provides;
if (workmod == depmod_top) {
write_int32(s, provides);
write_module_path(s, depmod);
break;
}
}
}
write_int32(s, 0);
}
write_int32(s, 0); // terminator, for ease of reading
// write a dummy file position to indicate the beginning of the source-text
pos = ios_pos(s);
ios_seek(s, initial_pos);
write_uint64(s, pos - initial_pos);
ios_seek(s, pos);
write_int64(s, 0);
}
return pos;
}
// --- deserialize ---
static jl_value_t *jl_deserialize_datatype(jl_serializer_state *s, int pos, jl_value_t **loc) JL_GC_DISABLED
{
int tag = read_uint8(s->s);
if (tag == 6 || tag == 7) {
jl_typename_t *name = (jl_typename_t*)jl_deserialize_value(s, NULL);
jl_value_t *dtv = name->wrapper;
if (tag == 7) {
jl_svec_t *parameters = (jl_svec_t*)jl_deserialize_value(s, NULL);
dtv = jl_apply_type(dtv, jl_svec_data(parameters), jl_svec_len(parameters));
}
else {
dtv = jl_unwrap_unionall(dtv);
}
backref_list.items[pos] = dtv;
return dtv;
}
if (tag == 9) {
jl_datatype_t *primarydt = (jl_datatype_t*)jl_deserialize_value(s, NULL);
jl_value_t *dtv = jl_typeof(jl_get_kwsorter((jl_value_t*)primarydt));
backref_list.items[pos] = dtv;
return dtv;
}
size_t size = read_int32(s->s);
uint8_t flags = read_uint8(s->s);
uint8_t memflags = read_uint8(s->s);
jl_datatype_t *dt = NULL;
if (tag == 0 || tag == 5 || tag == 10)
dt = jl_new_uninitialized_datatype();
else {
assert(0 && "corrupt deserialization state");
abort();
}
assert(s->method == NULL && s->mode != MODE_IR && "no new data-types expected during MODE_IR");
assert(pos == backref_list.len - 1 && "nothing should have been deserialized since assigning pos");
backref_list.items[pos] = dt;
dt->size = size;
dt->struct_decl = NULL;
dt->instance = NULL;
dt->ditype = NULL;
dt->abstract = flags & 1;
dt->mutabl = (flags >> 1) & 1;
int has_layout = (flags >> 2) & 1;
int has_instance = (flags >> 3) & 1;
dt->hasfreetypevars = memflags & 1;
dt->isconcretetype = (memflags >> 1) & 1;
dt->isdispatchtuple = (memflags >> 2) & 1;
dt->isbitstype = (memflags >> 3) & 1;
dt->zeroinit = (memflags >> 4) & 1;
dt->isinlinealloc = (memflags >> 5) & 1;
dt->types = NULL;
dt->parameters = NULL;
dt->name = NULL;
dt->super = NULL;
dt->layout = NULL;
if (!dt->abstract) {
dt->ninitialized = read_uint16(s->s);
dt->uid = 0;
}
else {
dt->ninitialized = 0;
dt->uid = 0;
}
if (has_layout) {
uint8_t layout = read_uint8(s->s);
if (layout == 1) {
dt->layout = ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_array_type))->layout;
}
else if (layout == 2) {
dt->layout = jl_void_type->layout;
}
else if (layout == 3) {
dt->layout = ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_pointer_type))->layout;
}
else {
assert(layout == 0);
uint32_t nf = read_int32(s->s);
uint32_t alignment = read_int32(s->s);
union {
struct {
uint32_t nf;
uint32_t alignment;
} buffer;
jl_datatype_layout_t layout;
} header;
header.buffer.nf = nf;
header.buffer.alignment = alignment;
int has_padding = header.layout.npointers && nf;
uint8_t fielddesc_type = header.layout.fielddesc_type;
size_t fielddesc_size = nf > 0 ? jl_fielddesc_size(fielddesc_type) : 0;
jl_datatype_layout_t *layout = (jl_datatype_layout_t*)jl_gc_perm_alloc(
sizeof(jl_datatype_layout_t) + nf * fielddesc_size +
(has_padding ? sizeof(uint32_t) : 0), 0, 4, 0);
if (has_padding) {
layout = (jl_datatype_layout_t*)(((char*)layout) + sizeof(uint32_t));
jl_datatype_layout_n_nonptr(layout) = read_int32(s->s);
}
*layout = header.layout;
ios_read(s->s, (char*)&layout[1], nf * fielddesc_size);
dt->layout = layout;
}
}
if (tag == 5) {
dt->uid = jl_assign_type_uid();
}
else if (tag == 10) {
assert(pos > 0);
arraylist_push(&flagref_list, loc == HT_NOTFOUND ? NULL : loc);
arraylist_push(&flagref_list, (void*)(uintptr_t)pos);
dt->uid = -1; // mark that this type needs a new uid
}
if (has_instance) {
assert(dt->uid != 0 && "there shouldn't be an instance on a type with uid = 0");
dt->instance = jl_deserialize_value(s, &dt->instance);
jl_gc_wb(dt, dt->instance);
}
dt->name = (jl_typename_t*)jl_deserialize_value(s, (jl_value_t**)&dt->name);
jl_gc_wb(dt, dt->name);
dt->names = (jl_svec_t*)jl_deserialize_value(s, (jl_value_t**)&dt->names);
jl_gc_wb(dt, dt->names);
dt->parameters = (jl_svec_t*)jl_deserialize_value(s, (jl_value_t**)&dt->parameters);
jl_gc_wb(dt, dt->parameters);
dt->super = (jl_datatype_t*)jl_deserialize_value(s, (jl_value_t**)&dt->super);
jl_gc_wb(dt, dt->super);
dt->types = (jl_svec_t*)jl_deserialize_value(s, (jl_value_t**)&dt->types);
jl_gc_wb(dt, dt->types);
return (jl_value_t*)dt;
}
static jl_value_t *jl_deserialize_value_svec(jl_serializer_state *s, uint8_t tag) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
size_t i, len;
if (tag == TAG_SVEC)
len = read_uint8(s->s);
else
len = read_int32(s->s);
jl_svec_t *sv = jl_alloc_svec_uninit(len);
if (usetable)
arraylist_push(&backref_list, (jl_value_t*)sv);
jl_value_t **data = jl_svec_data(sv);
for (i = 0; i < len; i++) {
data[i] = jl_deserialize_value(s, &data[i]);
}
return (jl_value_t*)sv;
}
static jl_value_t *jl_deserialize_value_symbol(jl_serializer_state *s, uint8_t tag) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
size_t len;
if (tag == TAG_SYMBOL)
len = read_uint8(s->s);
else
len = read_int32(s->s);
char *name = (char*)(len >= 256 ? malloc(len + 1) : alloca(len + 1));
ios_read(s->s, name, len);
name[len] = '\0';
jl_value_t *sym = (jl_value_t*)jl_symbol(name);
if (len >= 256)
free(name);
if (usetable)
arraylist_push(&backref_list, sym);
return sym;
}
static jl_value_t *jl_deserialize_value_array(jl_serializer_state *s, uint8_t tag) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
int16_t i, ndims;
int isunboxed, isunion, elsize;
if (tag == TAG_ARRAY1D) {
ndims = 1;
elsize = read_uint8(s->s);
isunboxed = !(elsize >> 7);
isunion = elsize >> 6;
elsize = elsize & 0x3f;
}
else {
ndims = read_uint16(s->s);
elsize = read_uint16(s->s);
isunboxed = !(elsize >> 15);
isunion = elsize >> 14;
elsize = elsize & 0x3fff;
}
uintptr_t pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, NULL);
size_t *dims = (size_t*)alloca(ndims * sizeof(size_t));
for (i = 0; i < ndims; i++) {
dims[i] = jl_unbox_long(jl_deserialize_value(s, NULL));
}
jl_array_t *a = jl_new_array_for_deserialization(
(jl_value_t*)NULL, ndims, dims, isunboxed, isunion, elsize);
if (usetable)
backref_list.items[pos] = a;
jl_value_t *aty = jl_deserialize_value(s, &jl_astaggedvalue(a)->type);
jl_set_typeof(a, aty);
if (!a->flags.ptrarray) {
size_t extra = jl_array_isbitsunion(a) ? jl_array_len(a) : 0;
size_t tot = jl_array_len(a) * a->elsize + extra;
ios_read(s->s, (char*)jl_array_data(a), tot);
}
else {
jl_value_t **data = (jl_value_t**)jl_array_data(a);
size_t i, numel = jl_array_len(a);
for (i = 0; i < numel; i++) {
data[i] = jl_deserialize_value(s, &data[i]);
if (data[i])
jl_gc_wb(a, data[i]);
}
}
return (jl_value_t*)a;
}
static jl_value_t *jl_deserialize_value_expr(jl_serializer_state *s, uint8_t tag) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
size_t i, len;
jl_sym_t *head = NULL;
if (tag == TAG_EXPR) {
len = read_uint8(s->s);
}
else if (tag == TAG_CALL1) {
len = 2;
head = call_sym;
}
else if (tag == TAG_CALL2) {
len = 3;
head = call_sym;
}
else {
len = read_int32(s->s);
}
int pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, NULL);
if (head == NULL)
head = (jl_sym_t*)jl_deserialize_value(s, NULL);
jl_expr_t *e = jl_exprn(head, len);
if (usetable)
backref_list.items[pos] = e;
jl_value_t **data = (jl_value_t**)(e->args->data);
for (i = 0; i < len; i++) {
data[i] = jl_deserialize_value(s, &data[i]);
}
return (jl_value_t*)e;
}
static jl_value_t *jl_deserialize_value_phi(jl_serializer_state *s, uint8_t tag) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
size_t i, len_e, len_v;
if (tag == TAG_PHINODE) {
len_e = len_v = read_uint8(s->s);
}
else {
len_e = read_int32(s->s);
len_v = read_int32(s->s);
}
jl_array_t *e = jl_alloc_vec_any(len_e);
jl_array_t *v = jl_alloc_vec_any(len_v);
jl_value_t *phi = jl_new_struct(jl_phinode_type, e, v);
if (usetable)
arraylist_push(&backref_list, phi);
jl_value_t **data_e = (jl_value_t**)(e->data);
for (i = 0; i < len_e; i++) {
data_e[i] = jl_deserialize_value(s, &data_e[i]);
}
jl_value_t **data_v = (jl_value_t**)(v->data);
for (i = 0; i < len_v; i++) {
data_v[i] = jl_deserialize_value(s, &data_v[i]);
}
return phi;
}
static jl_value_t *jl_deserialize_value_phic(jl_serializer_state *s, uint8_t tag) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
size_t i, len;
if (tag == TAG_PHICNODE)
len = read_uint8(s->s);
else
len = read_int32(s->s);
jl_array_t *v = jl_alloc_vec_any(len);
jl_value_t *phic = jl_new_struct(jl_phicnode_type, v);
if (usetable)
arraylist_push(&backref_list, phic);
jl_value_t **data = (jl_value_t**)(v->data);
for (i = 0; i < len; i++) {
data[i] = jl_deserialize_value(s, &data[i]);
}
return phic;
}
static jl_value_t *jl_deserialize_value_method(jl_serializer_state *s, jl_value_t **loc) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
jl_method_t *m =
(jl_method_t*)jl_gc_alloc(s->ptls, sizeof(jl_method_t),
jl_method_type);
memset(m, 0, sizeof(jl_method_t));
uintptr_t pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, m);
m->sig = (jl_value_t*)jl_deserialize_value(s, (jl_value_t**)&m->sig);
jl_gc_wb(m, m->sig);
int internal = read_uint8(s->s);
if (!internal) {
assert(loc != NULL && loc != HT_NOTFOUND);
arraylist_push(&flagref_list, loc);
arraylist_push(&flagref_list, (void*)pos);
return (jl_value_t*)m;
}
m->specializations = jl_deserialize_value(s, (jl_value_t**)&m->specializations);
jl_gc_wb(m, m->specializations);
m->name = (jl_sym_t*)jl_deserialize_value(s, NULL);
jl_gc_wb(m, m->name);
m->file = (jl_sym_t*)jl_deserialize_value(s, NULL);
m->line = read_int32(s->s);
m->min_world = jl_world_counter;
m->max_world = ~(size_t)0;
m->ambig = jl_deserialize_value(s, (jl_value_t**)&m->ambig);
jl_gc_wb(m, m->ambig);
m->called = read_int32(s->s);
m->nargs = read_int32(s->s);
m->nospecialize = read_int32(s->s);
m->isva = read_int8(s->s);
m->pure = read_int8(s->s);
m->module = (jl_module_t*)jl_deserialize_value(s, (jl_value_t**)&m->module);
jl_gc_wb(m, m->module);
m->sparam_syms = (jl_svec_t*)jl_deserialize_value(s, (jl_value_t**)&m->sparam_syms);
jl_gc_wb(m, m->sparam_syms);
m->roots = (jl_array_t*)jl_deserialize_value(s, (jl_value_t**)&m->roots);
if (m->roots)
jl_gc_wb(m, m->roots);
m->source = jl_deserialize_value(s, &m->source);
if (m->source)
jl_gc_wb(m, m->source);
m->unspecialized = (jl_method_instance_t*)jl_deserialize_value(s, (jl_value_t**)&m->unspecialized);
if (m->unspecialized)
jl_gc_wb(m, m->unspecialized);
m->generator = jl_deserialize_value(s, (jl_value_t**)&m->generator);
if (m->generator)
jl_gc_wb(m, m->generator);
m->invokes = jl_deserialize_value(s, (jl_value_t**)&m->invokes);
jl_gc_wb(m, m->invokes);
m->traced = 0;
JL_MUTEX_INIT(&m->writelock);
return (jl_value_t*)m;
}
static jl_value_t *jl_deserialize_value_method_instance(jl_serializer_state *s, jl_value_t **loc) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
jl_method_instance_t *li =
(jl_method_instance_t*)jl_gc_alloc(s->ptls, sizeof(jl_method_instance_t),
jl_method_instance_type);
memset(li, 0, sizeof(jl_method_instance_t));
uintptr_t pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, li);
int internal = read_uint8(s->s);
int constret = internal & 4;
internal &= 0x3;
if (internal == 1) {
li->min_world = 0;
li->max_world = 0;
}
else if (internal == 2) {
li->min_world = jl_world_counter;
li->max_world = ~(size_t)0;
}
else if (internal == 3) {
li->min_world = 1;
li->max_world = 0;
}
else if (internal) {
assert(0 && "corrupt deserialization state");
abort();
}
li->specTypes = (jl_value_t*)jl_deserialize_value(s, (jl_value_t**)&li->specTypes);
if (li->specTypes)
jl_gc_wb(li, li->specTypes);
li->def.value = jl_deserialize_value(s, &li->def.value);
if (li->def.value)
jl_gc_wb(li, li->def.value);
if (!internal) {
assert(loc != NULL && loc != HT_NOTFOUND);
arraylist_push(&flagref_list, loc);
arraylist_push(&flagref_list, (void*)pos);
return (jl_value_t*)li;
}
li->inferred = jl_deserialize_value(s, &li->inferred);
jl_gc_wb(li, li->inferred);
li->inferred_const = jl_deserialize_value(s, &li->inferred_const);
if (li->inferred_const)
jl_gc_wb(li, li->inferred_const);
li->rettype = jl_deserialize_value(s, &li->rettype);
jl_gc_wb(li, li->rettype);
li->sparam_vals = (jl_svec_t*)jl_deserialize_value(s, (jl_value_t**)&li->sparam_vals);
jl_gc_wb(li, li->sparam_vals);
li->backedges = (jl_array_t*)jl_deserialize_value(s, (jl_value_t**)&li->backedges);
if (li->backedges)
jl_gc_wb(li, li->backedges);
li->functionObjectsDecls.functionObject = NULL;
li->functionObjectsDecls.specFunctionObject = NULL;
li->inInference = 0;
li->specptr.fptr = NULL;
if (constret)
li->invoke = jl_fptr_const_return;
else
li->invoke = jl_fptr_trampoline;
li->compile_traced = 0;
return (jl_value_t*)li;
}
static jl_value_t *jl_deserialize_value_module(jl_serializer_state *s) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
uintptr_t pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, NULL);
jl_sym_t *mname = (jl_sym_t*)jl_deserialize_value(s, NULL);
int ref_only = read_uint8(s->s);
if (ref_only) {
jl_value_t *m_ref;
if (ref_only == 1)
m_ref = jl_get_global((jl_module_t*)jl_deserialize_value(s, NULL), mname);
else
m_ref = jl_array_ptr_ref(s->loaded_modules_array, read_int32(s->s));
if (usetable)
backref_list.items[pos] = m_ref;
return m_ref;
}
jl_module_t *m = jl_new_module(mname);
if (usetable)
backref_list.items[pos] = m;
m->parent = (jl_module_t*)jl_deserialize_value(s, (jl_value_t**)&m->parent);
jl_gc_wb(m, m->parent);
while (1) {
jl_sym_t *name = (jl_sym_t*)jl_deserialize_value(s, NULL);
if (name == NULL)
break;
jl_binding_t *b = jl_get_binding_wr(m, name, 1);
b->value = jl_deserialize_value(s, &b->value);
jl_gc_wb_buf(m, b, sizeof(jl_binding_t));
if (b->value != NULL) jl_gc_wb(m, b->value);
b->globalref = jl_deserialize_value(s, &b->globalref);
if (b->globalref != NULL) jl_gc_wb(m, b->globalref);
b->owner = (jl_module_t*)jl_deserialize_value(s, (jl_value_t**)&b->owner);
if (b->owner != NULL) jl_gc_wb(m, b->owner);
int8_t flags = read_int8(s->s);
b->deprecated = (flags>>3) & 1;
b->constp = (flags>>2) & 1;
b->exportp = (flags>>1) & 1;
b->imported = (flags) & 1;
}
size_t i = m->usings.len;
size_t ni = read_int32(s->s);
arraylist_grow(&m->usings, ni);
ni += i;
while (i < ni) {
m->usings.items[i] = jl_deserialize_value(s, (jl_value_t**)&m->usings.items[i]);
i++;
}
m->istopmod = read_uint8(s->s);
m->uuid.hi = read_uint64(s->s);
m->uuid.lo = read_uint64(s->s);
m->build_id = read_uint64(s->s);
m->counter = read_int32(s->s);
m->nospecialize = read_int32(s->s);
m->primary_world = jl_world_counter;
return (jl_value_t*)m;
}
static jl_value_t *jl_deserialize_value_globalref(jl_serializer_state *s) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
if (usetable) {
jl_value_t *v = jl_new_struct_uninit(jl_globalref_type);
arraylist_push(&backref_list, v);
jl_value_t **data = jl_data_ptr(v);
data[0] = jl_deserialize_value(s, &data[0]);
data[1] = jl_deserialize_value(s, &data[1]);
return v;
}
else {
jl_value_t *mod = jl_deserialize_value(s, NULL);
jl_value_t *var = jl_deserialize_value(s, NULL);
return jl_module_globalref((jl_module_t*)mod, (jl_sym_t*)var);
}
}
static jl_value_t *jl_deserialize_value_singleton(jl_serializer_state *s, jl_value_t **loc) JL_GC_DISABLED
{
if (s->mode == MODE_IR) {
jl_datatype_t *dt = (jl_datatype_t*)jl_deserialize_value(s, NULL);
return dt->instance;
}
jl_value_t *v = (jl_value_t*)jl_gc_alloc(s->ptls, 0, NULL);
uintptr_t pos = backref_list.len;
arraylist_push(&backref_list, (void*)v);
if (s->mode == MODE_MODULE) {
// TODO: optimize the case where the value can easily be obtained
// from an external module (tag == 6) as dt->instance
assert(loc != HT_NOTFOUND);
// if loc == NULL, then the caller can't provide the address where the instance will be
// stored. this happens if a field might store a 0-size value, but the field itself is
// not 0 size, e.g. `::Union{Int,Nothing}`
if (loc != NULL) {
arraylist_push(&flagref_list, loc);
arraylist_push(&flagref_list, (void*)pos);
}
}
jl_datatype_t *dt = (jl_datatype_t*)jl_deserialize_value(s, (jl_value_t**)HT_NOTFOUND); // no loc, since if dt is replaced, then dt->instance would be also
jl_set_typeof(v, dt);
return v;
}
static void jl_deserialize_struct(jl_serializer_state *s, jl_value_t *v, size_t startfield) JL_GC_DISABLED
{
jl_datatype_t *dt = (jl_datatype_t*)jl_typeof(v);
size_t i, nf = jl_datatype_nfields(dt);
char *data = (char*)jl_data_ptr(v);
for (i = startfield; i < nf; i++) {
size_t offs = jl_field_offset(dt, i);
size_t fsz = jl_field_size(dt, i);
jl_value_t **fld = (jl_value_t**)(data + offs);
if (fsz > 0) {
if (jl_field_isptr(dt, i)) {
*fld = jl_deserialize_value(s, fld);
}
else {
jl_value_t *fldval = jl_deserialize_value(s, NULL);
jl_assign_bits((char*)fld, fldval);
uint8_t union_selector = read_uint8(s->s);
if (union_selector) {
uint8_t *psel = (uint8_t*)fld + fsz - 1;
*psel = union_selector - 1;
}
}
}
}
if (dt == jl_typename_type) {
jl_typename_t *tn = (jl_typename_t*)v;
tn->cache = jl_emptysvec; // the cache is refilled later (tag 5)
tn->linearcache = jl_emptysvec; // the cache is refilled later (tag 5)
}
if (dt == jl_typemap_entry_type) {
if (((jl_typemap_entry_t*)v)->max_world == ~(size_t)0) {
// update world validity to reflect current state of the counter
((jl_typemap_entry_t*)v)->min_world = jl_world_counter;
}
else {
// garbage entry - delete it :(
((jl_typemap_entry_t*)v)->min_world = 1;
((jl_typemap_entry_t*)v)->max_world = 0;
}
}
}
static jl_value_t *jl_deserialize_typemap_entry(jl_serializer_state *s) JL_GC_DISABLED
{
int N = read_int32(s->s); int n = N;
jl_value_t *te = jl_nothing;
jl_value_t **pn = &te;
while (n > 0) {
jl_value_t *v = jl_gc_alloc(s->ptls, jl_datatype_size(jl_typemap_entry_type), jl_typemap_entry_type);
if (n == N && s->mode != MODE_IR)
arraylist_push(&backref_list, v);
jl_typemap_entry_t* te = (jl_typemap_entry_t*)v;
te->next = (jl_typemap_entry_t*)jl_nothing; // `next` is the first field
jl_deserialize_struct(s, v, 1);
#ifndef NDEBUG
if (te->func.value && jl_typeis(te->func.value, jl_method_instance_type)) {
assert(((te->max_world == 0 && te->min_world == 1) ||
(te->func.linfo->max_world >= te->max_world &&
te->func.linfo->min_world <= te->min_world)) &&
"corrupt typemap entry structure");
}
#endif
*pn = v;
pn = (jl_value_t**)&te->next;
n--;
}
return te;
}
static jl_value_t *jl_deserialize_value_any(jl_serializer_state *s, uint8_t tag, jl_value_t **loc) JL_GC_DISABLED
{
int usetable = (s->mode != MODE_IR);
int32_t sz = (tag == TAG_SHORT_GENERAL ? read_uint8(s->s) : read_int32(s->s));
jl_value_t *v = jl_gc_alloc(s->ptls, sz, NULL);
jl_set_typeof(v, (void*)(intptr_t)0x50);
uintptr_t pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, v);
jl_datatype_t *dt = (jl_datatype_t*)jl_deserialize_value(s, &jl_astaggedvalue(v)->type);
assert(s->mode == MODE_IR || sz != 0 || loc);
if (s->mode == MODE_MODULE && dt == jl_typename_type) {
int ref_only = read_uint8(s->s);
if (ref_only) {
jl_module_t *m = (jl_module_t*)jl_deserialize_value(s, NULL);
jl_sym_t *sym = (jl_sym_t*)jl_deserialize_value(s, NULL);
jl_datatype_t *dt = (jl_datatype_t*)jl_unwrap_unionall(jl_get_global(m, sym));
assert(jl_is_datatype(dt));
jl_value_t *v = (jl_value_t*)dt->name;
if (usetable)
backref_list.items[pos] = v;
return v;
}
}
jl_set_typeof(v, dt);
if (jl_datatype_nfields(dt) == 0 && jl_datatype_size(dt) > 0) {
int nby = jl_datatype_size(dt);
ios_read(s->s, (char*)jl_data_ptr(v), nby);
}
else if ((jl_value_t*)dt == jl_bigint_type) {
jl_value_t *sizefield = jl_deserialize_value(s, NULL);
int32_t sz = jl_unbox_int32(sizefield);
int32_t nw = (sz == 0 ? 1 : (sz < 0 ? -sz : sz));
size_t nb = nw * gmp_limb_size;
void *buf = jl_gc_counted_malloc(nb);
ios_read(s->s, (char*)buf, nb);
jl_set_nth_field(v, 0, jl_box_int32(nw));
jl_set_nth_field(v, 1, sizefield);
jl_set_nth_field(v, 2, jl_box_voidpointer(buf));
}
else {
jl_deserialize_struct(s, v, 0);
}
return v;
}
static jl_value_t *jl_deserialize_value(jl_serializer_state *s, jl_value_t **loc) JL_GC_DISABLED
{
assert(!ios_eof(s->s));
jl_value_t *v;
size_t i, n;
uintptr_t pos;
uint8_t tag = read_uint8(s->s);
if (tag > LAST_TAG)
return deser_tag[tag];
int usetable = (s->mode != MODE_IR);
switch (tag) {
case TAG_NULL: return NULL;
case 0:
tag = read_uint8(s->s);
return deser_tag[tag];
case TAG_BACKREF: JL_FALLTHROUGH; case TAG_SHORT_BACKREF:
assert(s->method == NULL && s->mode != MODE_IR);
uintptr_t offs = (tag == TAG_BACKREF) ? read_int32(s->s) : read_uint16(s->s);
int isflagref = 0;
isflagref = !!(offs & 1);
offs >>= 1;
// assert(offs >= 0); // offs is unsigned so this is always true
assert(offs < backref_list.len);
jl_value_t *bp = (jl_value_t*)backref_list.items[offs];
assert(bp);
if (isflagref && loc != HT_NOTFOUND) {
if (loc != NULL) {
// as in jl_deserialize_value_singleton, the caller won't have a place to
// store this reference given a field type like Union{Int,Nothing}
arraylist_push(&flagref_list, loc);
arraylist_push(&flagref_list, (void*)(uintptr_t)-1);
}
}
return (jl_value_t*)bp;
case TAG_METHODROOT:
return jl_array_ptr_ref(s->method->roots, read_uint8(s->s));
case TAG_LONG_METHODROOT:
return jl_array_ptr_ref(s->method->roots, read_uint16(s->s));
case TAG_SVEC: JL_FALLTHROUGH; case TAG_LONG_SVEC:
return jl_deserialize_value_svec(s, tag);
case TAG_COMMONSYM:
return deser_symbols[read_uint8(s->s)];
case TAG_SYMBOL: JL_FALLTHROUGH; case TAG_LONG_SYMBOL:
return jl_deserialize_value_symbol(s, tag);
case TAG_SSAVALUE:
v = jl_box_ssavalue(read_uint8(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_LONG_SSAVALUE:
v = jl_box_ssavalue(read_uint16(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_SLOTNUMBER:
v = jl_box_slotnumber(read_uint16(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_ARRAY: JL_FALLTHROUGH; case TAG_ARRAY1D:
return jl_deserialize_value_array(s, tag);
case TAG_EXPR: JL_FALLTHROUGH;
case TAG_LONG_EXPR: JL_FALLTHROUGH;
case TAG_CALL1: JL_FALLTHROUGH;
case TAG_CALL2:
return jl_deserialize_value_expr(s, tag);
case TAG_PHINODE: JL_FALLTHROUGH; case TAG_LONG_PHINODE:
return jl_deserialize_value_phi(s, tag);
case TAG_PHICNODE: JL_FALLTHROUGH; case TAG_LONG_PHICNODE:
return jl_deserialize_value_phic(s, tag);
case TAG_GOTONODE: JL_FALLTHROUGH; case TAG_QUOTENODE:
v = jl_new_struct_uninit(tag == TAG_GOTONODE ? jl_gotonode_type : jl_quotenode_type);
if (usetable)
arraylist_push(&backref_list, v);
jl_set_nth_field(v, 0, jl_deserialize_value(s, NULL));
return v;
case TAG_UNIONALL:
pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, NULL);
if (read_uint8(s->s)) {
jl_module_t *m = (jl_module_t*)jl_deserialize_value(s, NULL);
jl_sym_t *sym = (jl_sym_t*)jl_deserialize_value(s, NULL);
jl_value_t *v = jl_get_global(m, sym);
assert(jl_is_unionall(v));
if (usetable)
backref_list.items[pos] = v;
return v;
}
v = jl_gc_alloc(s->ptls, sizeof(jl_unionall_t), jl_unionall_type);
if (usetable)
backref_list.items[pos] = v;
((jl_unionall_t*)v)->var = (jl_tvar_t*)jl_deserialize_value(s, (jl_value_t**)&((jl_unionall_t*)v)->var);
jl_gc_wb(v, ((jl_unionall_t*)v)->var);
((jl_unionall_t*)v)->body = jl_deserialize_value(s, &((jl_unionall_t*)v)->body);
jl_gc_wb(v, ((jl_unionall_t*)v)->body);
return v;
case TAG_TVAR:
v = jl_gc_alloc(s->ptls, sizeof(jl_tvar_t), jl_tvar_type);
jl_tvar_t *tv = (jl_tvar_t*)v;
if (usetable)
arraylist_push(&backref_list, tv);
tv->name = (jl_sym_t*)jl_deserialize_value(s, NULL);
jl_gc_wb(tv, tv->name);
tv->lb = jl_deserialize_value(s, &tv->lb);
jl_gc_wb(tv, tv->lb);
tv->ub = jl_deserialize_value(s, &tv->ub);
jl_gc_wb(tv, tv->ub);
return (jl_value_t*)tv;
case TAG_METHOD:
return jl_deserialize_value_method(s, loc);
case TAG_METHOD_INSTANCE:
return jl_deserialize_value_method_instance(s, loc);
case TAG_MODULE:
return jl_deserialize_value_module(s);
case TAG_SHORTER_INT64:
v = jl_box_int64((int16_t)read_uint16(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_SHORT_INT64:
v = jl_box_int64(read_int32(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_INT64:
v = jl_box_int64((int64_t)read_uint64(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_SHORT_INT32:
v = jl_box_int32((int16_t)read_uint16(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_INT32:
v = jl_box_int32(read_int32(s->s));
if (usetable)
arraylist_push(&backref_list, v);
return v;
case TAG_UINT8:
return jl_box_uint8(read_uint8(s->s));
case TAG_NEARBYGLOBAL:
assert(s->method != NULL);
v = jl_deserialize_value(s, NULL);
return jl_module_globalref(s->method->module, (jl_sym_t*)v);
case TAG_NEARBYMODULE:
assert(s->method != NULL);
return (jl_value_t*)s->method->module;
case TAG_GLOBALREF:
return jl_deserialize_value_globalref(s);
case TAG_SINGLETON:
return jl_deserialize_value_singleton(s, loc);
case TAG_CORE:
return (jl_value_t*)jl_core_module;
case TAG_BASE:
return (jl_value_t*)jl_base_module;
case TAG_VECTORTY:
v = jl_deserialize_value(s, NULL);
return jl_apply_type2((jl_value_t*)jl_array_type, v, jl_box_long(1));
case TAG_PTRTY:
v = jl_deserialize_value(s, NULL);
return jl_apply_type1((jl_value_t*)jl_pointer_type, v);
case TAG_BITYPENAME:
v = deser_tag[read_uint8(s->s)];
jl_datatype_t *dt = (jl_datatype_t*)jl_unwrap_unionall(v);
return (jl_value_t*)dt->name;
case TAG_STRING:
n = read_int32(s->s);
v = jl_alloc_string(n);
if (usetable)
arraylist_push(&backref_list, v);
ios_read(s->s, jl_string_data(v), n);
return v;
case TAG_TYPEMAP_ENTRY:
return jl_deserialize_typemap_entry(s);
case TAG_LINEINFO:
v = jl_new_struct_uninit(jl_lineinfonode_type);
if (usetable)
arraylist_push(&backref_list, v);
for (i = 0; i < jl_datatype_nfields(jl_lineinfonode_type); i++) {
size_t offs = jl_field_offset(jl_lineinfonode_type, i);
jl_set_nth_field(v, i, jl_deserialize_value(s, (jl_value_t**)((char*)v + offs)));
}
return v;
case TAG_DATATYPE:
pos = backref_list.len;
if (usetable)
arraylist_push(&backref_list, NULL);
return jl_deserialize_datatype(s, pos, loc);
default:
assert(tag == TAG_GENERAL || tag == TAG_SHORT_GENERAL);
return jl_deserialize_value_any(s, tag, loc);
}
}
static void jl_insert_methods(jl_array_t *list)
{
size_t i, l = jl_array_len(list);
for (i = 0; i < l; i += 2) {
jl_method_t *meth = (jl_method_t*)jl_array_ptr_ref(list, i);
jl_tupletype_t *simpletype = (jl_tupletype_t*)jl_array_ptr_ref(list, i + 1);
assert(jl_is_method(meth));
jl_datatype_t *gf = jl_first_argument_datatype((jl_value_t*)meth->sig);
assert(jl_is_datatype(gf) && gf->name->mt);
jl_method_table_insert(gf->name->mt, meth, simpletype);
}
}
static size_t lowerbound_dependent_world_set(size_t world, arraylist_t *dependent_worlds) JL_NOTSAFEPOINT
{
size_t i, l = dependent_worlds->len;
if (world <= (size_t)dependent_worlds->items[l - 1])
return world;
for (i = 0; i < l; i++) {
size_t depworld = (size_t)dependent_worlds->items[i];
if (depworld <= world)
return depworld;
}
abort(); // unreachable
}
void jl_method_instance_delete(jl_method_instance_t *mi);
static void jl_insert_backedges(jl_array_t *list, arraylist_t *dependent_worlds)
{
size_t i, l = jl_array_len(list);
for (i = 0; i < l; i += 2) {
jl_method_instance_t *caller = (jl_method_instance_t*)jl_array_ptr_ref(list, i);
assert(jl_is_method_instance(caller));
assert(caller->min_world == jl_world_counter); // caller should be new
jl_array_t *callees = (jl_array_t*)jl_array_ptr_ref(list, i + 1);
assert(jl_is_array(callees));
int valid = 1;
size_t j;
for (j = 0; valid && j < jl_array_len(callees); j++) {
jl_value_t *callee = jl_array_ptr_ref(callees, j);
jl_method_instance_t *callee_mi = (jl_method_instance_t*)callee;
jl_value_t *sig;
if (jl_is_method_instance(callee)) {
sig = callee_mi->specTypes;
assert(!module_in_worklist(callee_mi->def.method->module));
if (callee_mi->max_world != ~(size_t)0) {
valid = 0;
break;
}
}
else {
sig = callee;
}
// verify that this backedge doesn't intersect with any new methods
size_t min_valid = 0;
size_t max_valid = ~(size_t)0;
jl_value_t *matches = jl_matching_methods((jl_tupletype_t*)sig, 50, 1, jl_world_counter, &min_valid, &max_valid);
if (matches == jl_false)
valid = 0;
size_t k;
for (k = 0; valid && k < jl_array_len(matches); k++) {
jl_method_t *m = (jl_method_t*)jl_svecref(jl_array_ptr_ref(matches, k), 2);
if (lowerbound_dependent_world_set(m->min_world, dependent_worlds) != m->min_world) {
// intersection has a new method and is now probably no good, just invalidate everything now
valid = 0;
}
}
}
if (valid) {
// if this callee is still valid, add all the backedges
for (j = 0; j < jl_array_len(callees); j++) {
jl_value_t *callee = jl_array_ptr_ref(callees, j);
if (jl_is_method_instance(callee)) {
jl_method_instance_add_backedge((jl_method_instance_t*)callee, caller);
}
else {
jl_datatype_t *ftype = jl_first_argument_datatype(callee);
jl_methtable_t *mt = ftype->name->mt;
assert(jl_is_datatype(ftype) && mt);
jl_method_table_add_backedge(mt, callee, (jl_value_t*)caller);
}
}
}
else {
// otherwise delete it
jl_method_instance_delete(caller);
}
}
}
static int size_isgreater(const void *a, const void *b)
{
return *(size_t*)b - *(size_t*)a;
}
static jl_value_t *read_verify_mod_list(ios_t *s, arraylist_t *dependent_worlds, jl_array_t *mod_list)
{
if (!jl_main_module->build_id) {
return jl_get_exceptionf(jl_errorexception_type,
"Main module uuid state is invalid for module deserialization.");
}
size_t i, l = jl_array_len(mod_list);
for (i = 0; ; i++) {
size_t len = read_int32(s);
if (len == 0 && i == l)
return NULL; // success
if (len == 0 || i == l)
return jl_get_exceptionf(jl_errorexception_type, "Wrong number of entries in module list.");
char *name = (char*)alloca(len + 1);
ios_read(s, name, len);
name[len] = '\0';
jl_uuid_t uuid;
uuid.hi = read_uint64(s);
uuid.lo = read_uint64(s);
uint64_t build_id = read_uint64(s);
jl_sym_t *sym = jl_symbol_n(name, len);
jl_module_t *m = (jl_module_t*)jl_array_ptr_ref(mod_list, i);
if (!m || !jl_is_module(m) || m->uuid.hi != uuid.hi || m->uuid.lo != uuid.lo || m->name != sym || m->build_id != build_id) {
return jl_get_exceptionf(jl_errorexception_type,
"Invalid input in module list: expected %s.", name);
}
if (m->primary_world > jl_main_module->primary_world)
arraylist_push(dependent_worlds, (void*)m->primary_world);
}
}
static int readstr_verify(ios_t *s, const char *str)
{
size_t i, len = strlen(str);
for (i = 0; i < len; ++i)
if ((char)read_uint8(s) != str[i])
return 0;
return 1;
}
JL_DLLEXPORT int jl_read_verify_header(ios_t *s)
{
uint16_t bom;
return (readstr_verify(s, JI_MAGIC) &&
read_uint16(s) == JI_FORMAT_VERSION &&
ios_read(s, (char *) &bom, 2) == 2 && bom == BOM &&
read_uint8(s) == sizeof(void*) &&
readstr_verify(s, JL_BUILD_UNAME) && !read_uint8(s) &&
readstr_verify(s, JL_BUILD_ARCH) && !read_uint8(s) &&
readstr_verify(s, JULIA_VERSION_STRING) && !read_uint8(s) &&
readstr_verify(s, jl_git_branch()) && !read_uint8(s) &&
readstr_verify(s, jl_git_commit()) && !read_uint8(s));
}
static void jl_finalize_serializer(jl_serializer_state *s)
{
size_t i, l;
// save module initialization order
if (jl_module_init_order != NULL) {
l = jl_array_len(jl_module_init_order);
for (i = 0; i < l; i++) {
// verify that all these modules were saved
assert(ptrhash_get(&backref_table, jl_array_ptr_ref(jl_module_init_order, i)) != HT_NOTFOUND);
}
}
jl_serialize_value(s, jl_module_init_order);
// record list of reinitialization functions
l = reinit_list.len;
for (i = 0; i < l; i += 2) {
write_int32(s->s, (int)((uintptr_t) reinit_list.items[i]));
write_int32(s->s, (int)((uintptr_t) reinit_list.items[i+1]));
}
write_int32(s->s, -1);
}
void jl_typemap_rehash(jl_typemap_t *ml, int8_t offs);
static void jl_reinit_item(jl_value_t *v, int how, arraylist_t *tracee_list)
{
jl_ptls_t ptls = jl_get_ptls_states();
JL_TRY {
switch (how) {
case 1: { // rehash IdDict
jl_array_t **a = (jl_array_t**)v;
// Assume *a don't need a write barrier
*a = jl_idtable_rehash(*a, jl_array_len(*a));
jl_gc_wb(v, *a);
break;
}
case 2: { // reinsert module v into parent (const)
jl_module_t *mod = (jl_module_t*)v;
if (mod->parent == mod) // top level modules handled by loader
break;
jl_binding_t *b = jl_get_binding_wr(mod->parent, mod->name, 1);
jl_declare_constant(b); // this can throw
if (b->value != NULL) {
if (!jl_is_module(b->value)) {
jl_errorf("Invalid redefinition of constant %s.",
jl_symbol_name(mod->name)); // this also throws
}
if (jl_generating_output() && jl_options.incremental) {
jl_errorf("Cannot replace module %s during incremental precompile.", jl_symbol_name(mod->name));
}
jl_printf(JL_STDERR, "WARNING: replacing module %s.\n", jl_symbol_name(mod->name));
}
b->value = v;
jl_gc_wb_binding(b, v);
break;
}
case 3: { // rehash MethodTable
jl_methtable_t *mt = (jl_methtable_t*)v;
jl_typemap_rehash(mt->defs, 0);
// TODO: consider reverting this when we can split on Type{...} better
jl_typemap_rehash(mt->cache, 1); //(mt == jl_type_typename->mt) ? 0 : 1);
if (tracee_list)
arraylist_push(tracee_list, mt);
break;
}
case 4: { // rehash specializations tfunc
jl_method_t *m = (jl_method_t*)v;
jl_typemap_rehash(m->specializations, 0);
break;
}
default:
assert(0 && "corrupt deserialization state");
abort();
}
}
JL_CATCH {
jl_printf(JL_STDERR, "WARNING: error while reinitializing value ");
jl_static_show(JL_STDERR, v);
jl_printf(JL_STDERR, ":\n");
jl_static_show(JL_STDERR, ptls->exception_in_transit);
jl_printf(JL_STDERR, "\n");
}
}
static jl_array_t *jl_finalize_deserializer(jl_serializer_state *s, arraylist_t *tracee_list)
{
jl_array_t *init_order = (jl_array_t*)jl_deserialize_value(s, NULL);
// run reinitialization functions
int pos = read_int32(s->s);
while (pos != -1) {
jl_reinit_item((jl_value_t*)backref_list.items[pos], read_int32(s->s), tracee_list);
pos = read_int32(s->s);
}
return init_order;
}
JL_DLLEXPORT void jl_init_restored_modules(jl_array_t *init_order)
{
if (!init_order)
return;
int i, l = jl_array_len(init_order);
for (i = 0; i < l; i++) {
jl_value_t *mod = jl_array_ptr_ref(init_order, i);
if (!jl_generating_output() || jl_options.incremental) {
jl_module_run_initializer((jl_module_t*)mod);
}
else {
if (jl_module_init_order == NULL)
jl_module_init_order = jl_alloc_vec_any(0);
jl_array_ptr_1d_push(jl_module_init_order, mod);
}
}
}
// --- entry points ---
JL_DLLEXPORT jl_array_t *jl_compress_ast(jl_method_t *m, jl_code_info_t *code)
{
JL_TIMING(AST_COMPRESS);
JL_LOCK(&m->writelock); // protect the roots array (Might GC)
assert(jl_is_method(m));
assert(jl_is_code_info(code));
ios_t dest;
ios_mem(&dest, 0);
int en = jl_gc_enable(0); // Might GC
size_t i;
if (m->roots == NULL) {
m->roots = jl_alloc_vec_any(0);
jl_gc_wb(m, m->roots);
}
jl_serializer_state s = {
&dest, MODE_IR,
m,
jl_get_ptls_states(),
NULL
};
uint8_t flags = (code->inferred << 3)
| (code->propagate_inbounds << 1)
| (code->pure << 0);
write_uint8(s.s, flags);
write_uint8(s.s, code->inlineable);
size_t nsyms = jl_array_len(code->slotnames);
assert(nsyms >= m->nargs && nsyms < INT32_MAX); // required by generated functions
write_int32(s.s, nsyms);
for (i = 0; i < nsyms; i++) {
jl_sym_t *name = (jl_sym_t*)jl_array_ptr_ref(code->slotnames, i);
assert(jl_is_symbol(name));
char *namestr = jl_symbol_name(name);
size_t namelen = strlen(namestr);
ios_write(s.s, namestr, namelen + 1); // include nul-byte
}
size_t nf = jl_datatype_nfields(jl_code_info_type);
for (i = 0; i < nf - 5; i++) {
if (i == 1) // skip codelocs
continue;
int copy = (i != 2); // don't copy contents of method_for_inference_limit_heuristics field
jl_serialize_value_(&s, jl_get_nth_field((jl_value_t*)code, i), copy);
}
size_t nstmt = jl_array_len(code->code);
assert(nstmt == jl_array_len(code->codelocs));
if (jl_array_len(code->linetable) < 256) {
for (i = 0; i < nstmt; i++) {
write_uint8(s.s, ((int32_t*)jl_array_data(code->codelocs))[i]);
}
}
else if (jl_array_len(code->linetable) < 65536) {
for (i = 0; i < nstmt; i++) {
write_uint16(s.s, ((int32_t*)jl_array_data(code->codelocs))[i]);
}
}
else {
ios_write(s.s, (char*)jl_array_data(code->codelocs), nstmt * sizeof(int32_t));
}
ios_flush(s.s);
jl_array_t *v = jl_take_buffer(&dest);
ios_close(s.s);
if (jl_array_len(m->roots) == 0) {
m->roots = NULL;
}
JL_GC_PUSH1(&v);
jl_gc_enable(en);
JL_UNLOCK(&m->writelock); // Might GC
JL_GC_POP();
return v;
}
JL_DLLEXPORT jl_code_info_t *jl_uncompress_ast(jl_method_t *m, jl_array_t *data)
{
if (jl_is_code_info(data))
return (jl_code_info_t*)data;
JL_TIMING(AST_UNCOMPRESS);
jl_ptls_t ptls = jl_get_ptls_states();
JL_LOCK(&m->writelock); // protect the roots array (Might GC)
assert(jl_is_method(m));
assert(jl_typeis(data, jl_array_uint8_type));
size_t i;
ios_t src;
ios_mem(&src, 0);
ios_setbuf(&src, (char*)data->data, jl_array_len(data), 0);
src.size = jl_array_len(data);
int en = jl_gc_enable(0); // Might GC
jl_serializer_state s = {
&src, MODE_IR,
m,
jl_get_ptls_states(),
NULL
};
jl_code_info_t *code =
(jl_code_info_t*)jl_gc_alloc(ptls, sizeof(jl_code_info_t),
jl_code_info_type);
uint8_t flags = read_uint8(s.s);
code->inferred = !!(flags & (1 << 3));
code->propagate_inbounds = !!(flags & (1 << 1));
code->pure = !!(flags & (1 << 0));
code->inlineable = read_uint8(s.s);
size_t nslots = read_int32(&src);
jl_array_t *syms = jl_alloc_vec_any(nslots);
code->slotnames = syms;
for (i = 0; i < nslots; i++) {
char *namestr = s.s->buf + s.s->bpos;
size_t namelen = strlen(namestr);
jl_sym_t *name = jl_symbol_n(namestr, namelen);
jl_array_ptr_set(syms, i, name);
ios_skip(s.s, namelen + 1);
}
size_t nf = jl_datatype_nfields(jl_code_info_type);
for (i = 0; i < nf - 5; i++) {
if (i == 1)
continue;
assert(jl_field_isptr(jl_code_info_type, i));
jl_value_t **fld = (jl_value_t**)((char*)jl_data_ptr(code) + jl_field_offset(jl_code_info_type, i));
*fld = jl_deserialize_value(&s, fld);
}
size_t nstmt = jl_array_len(code->code);
code->codelocs = (jl_value_t*)jl_alloc_array_1d(jl_array_int32_type, nstmt);
if (jl_array_len(code->linetable) < 256) {
for (i = 0; i < nstmt; i++) {
((int32_t*)jl_array_data(code->codelocs))[i] = read_uint8(s.s);
}
}
else if (jl_array_len(code->linetable) < 65536) {
for (i = 0; i < nstmt; i++) {
((int32_t*)jl_array_data(code->codelocs))[i] = read_uint16(s.s);
}
}
else {
ios_read(s.s, (char*)jl_array_data(code->codelocs), nstmt * sizeof(int32_t));
}
assert(ios_getc(s.s) == -1);
ios_close(s.s);
JL_GC_PUSH1(&code);
jl_gc_enable(en);
JL_UNLOCK(&m->writelock); // Might GC
JL_GC_POP();
return code;
}
JL_DLLEXPORT uint8_t jl_ast_flag_inferred(jl_array_t *data)
{
if (jl_is_code_info(data))
return ((jl_code_info_t*)data)->inferred;
assert(jl_typeis(data, jl_array_uint8_type));
uint8_t flags = ((uint8_t*)data->data)[0];
return !!(flags & (1 << 3));
}
JL_DLLEXPORT uint8_t jl_ast_flag_inlineable(jl_array_t *data)
{
if (jl_is_code_info(data))
return ((jl_code_info_t*)data)->inlineable;
assert(jl_typeis(data, jl_array_uint8_type));
return ((uint8_t*)data->data)[1];
}
JL_DLLEXPORT uint8_t jl_ast_flag_pure(jl_array_t *data)
{
if (jl_is_code_info(data))
return ((jl_code_info_t*)data)->pure;
assert(jl_typeis(data, jl_array_uint8_type));
uint8_t flags = ((uint8_t*)data->data)[0];
return !!(flags & (1 << 0));
}
JL_DLLEXPORT void jl_fill_argnames(jl_array_t *data, jl_array_t *names)
{
size_t i, nargs = jl_array_len(names);
if (jl_is_code_info(data)) {
jl_code_info_t *func = (jl_code_info_t*)data;
assert(jl_array_len(func->slotnames) >= nargs);
for (i = 0; i < nargs; i++) {
jl_value_t *name = jl_array_ptr_ref(func->slotnames, i);
jl_array_ptr_set(names, i, name);
}
}
else {
uint8_t *d = (uint8_t*)data->data;
assert(jl_typeis(data, jl_array_uint8_type));
int b3 = d[1];
int b2 = d[2];
int b1 = d[3];
int b0 = d[4];
int nslots = b0 | (b1<<8) | (b2<<16) | (b3<<24);
assert(nslots >= nargs);
(void)nslots;
char *namestr = (char*)d + 5;
for (i = 0; i < nargs; i++) {
size_t namelen = strlen(namestr);
jl_sym_t *name = jl_symbol_n(namestr, namelen);
jl_array_ptr_set(names, i, name);
namestr += namelen + 1;
}
}
}
JL_DLLEXPORT int jl_save_incremental(const char *fname, jl_array_t *worklist)
{
char *tmpfname = strcat(strcpy((char *) alloca(strlen(fname)+8), fname), ".XXXXXX");
ios_t f;
jl_array_t *mod_array = NULL, *udeps = NULL;
if (ios_mkstemp(&f, tmpfname) == NULL) {
jl_printf(JL_STDERR, "Cannot open cache file \"%s\" for writing.\n", tmpfname);
return 1;
}
JL_GC_PUSH2(&mod_array, &udeps);
mod_array = jl_get_loaded_modules();
serializer_worklist = worklist;
write_header(&f);
// write description on contents
write_work_list(&f);
// write binary blob from caller
int64_t srctextpos = write_dependency_list(&f, &udeps, mod_array);
// write description of requirements for loading
// this can return errors during deserialize,
// best to keep it early (before any actual initialization)
write_mod_list(&f, mod_array);
arraylist_new(&reinit_list, 0);
htable_new(&edges_map, 0);
htable_new(&backref_table, 5000);
ptrhash_put(&backref_table, jl_main_module, (char*)HT_NOTFOUND + 1);
backref_table_numel = 1;
jl_idtable_type = jl_base_module ? jl_get_global(jl_base_module, jl_symbol("IdDict")) : NULL;
jl_idtable_typename = jl_base_module ? ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_idtable_type))->name : NULL;
jl_bigint_type = jl_base_module ? jl_get_global(jl_base_module, jl_symbol("BigInt")) : NULL;
if (jl_bigint_type) {
gmp_limb_size = jl_unbox_long(jl_get_global((jl_module_t*)jl_get_global(jl_base_module, jl_symbol("GMP")),
jl_symbol("BITS_PER_LIMB"))) / 8;
}
int en = jl_gc_enable(0); // edges map is not gc-safe
jl_array_t *lambdas = jl_alloc_vec_any(0);
jl_array_t *edges = jl_alloc_vec_any(0);
size_t i;
size_t len = jl_array_len(mod_array);
for (i = 0; i < len; i++) {
jl_module_t *m = (jl_module_t*)jl_array_ptr_ref(mod_array, i);
assert(jl_is_module(m));
jl_collect_lambdas_from_mod(lambdas, m);
}
jl_collect_backedges(edges);
jl_serializer_state s = {
&f, MODE_MODULE,
NULL,
jl_get_ptls_states(),
mod_array
};
jl_serialize_value(&s, worklist);
jl_serialize_value(&s, lambdas);
jl_serialize_value(&s, edges);
jl_finalize_serializer(&s);
serializer_worklist = NULL;
jl_gc_enable(en);
htable_reset(&edges_map, 0);
htable_reset(&backref_table, 0);
arraylist_free(&reinit_list);
// Write the source-text for the dependent files
if (udeps) {
// Go back and update the source-text position to point to the current position
int64_t posfile = ios_pos(&f);
ios_seek(&f, srctextpos);
write_int64(&f, posfile);
ios_seek_end(&f);
// Each source-text file is written as
// int32: length of abspath
// char*: abspath
// uint64: length of src text
// char*: src text
// At the end we write int32(0) as a terminal sentinel.
len = jl_array_len(udeps);
ios_t srctext;
for (i = 0; i < len; i++) {
jl_value_t *deptuple = jl_array_ptr_ref(udeps, i);
jl_value_t *depmod = jl_fieldref(deptuple, 0); // module
// Dependencies declared with `include_dependency` are excluded
// because these may not be Julia code (and could be huge)
if (depmod != (jl_value_t*)jl_main_module) {
jl_value_t *dep = jl_fieldref(deptuple, 1); // file abspath
const char *depstr = jl_string_data(dep);
if (!depstr[0])
continue;
ios_t *srctp = ios_file(&srctext, depstr, 1, 0, 0, 0);
if (!srctp) {
jl_printf(JL_STDERR, "WARNING: could not cache source text for \"%s\".\n",
jl_string_data(dep));
continue;
}
size_t slen = jl_string_len(dep);
write_int32(&f, slen);
ios_write(&f, depstr, slen);
posfile = ios_pos(&f);
write_uint64(&f, 0); // placeholder for length of this file in bytes
uint64_t filelen = (uint64_t) ios_copyall(&f, &srctext);
ios_close(&srctext);
ios_seek(&f, posfile);
write_uint64(&f, filelen);
ios_seek_end(&f);
}
}
}
write_int32(&f, 0); // mark the end of the source text
ios_close(&f);
JL_GC_POP();
if (jl_fs_rename(tmpfname, fname) < 0) {
jl_printf(JL_STDERR, "Cannot write cache file \"%s\".\n", fname);
return 1;
}
return 0;
}
#ifndef JL_NDEBUG
// skip the performance optimizations of jl_types_equal and just use subtyping directly
// one of these types is invalid - that's why we're doing the recache type operation
static int jl_invalid_types_equal(jl_datatype_t *a, jl_datatype_t *b)
{
return jl_subtype((jl_value_t*)a, (jl_value_t*)b) && jl_subtype((jl_value_t*)b, (jl_value_t*)a);
}
#endif
static jl_datatype_t *jl_recache_type(jl_datatype_t *dt, size_t start, jl_value_t *v) JL_GC_DISABLED
{
if (v == NULL)
v = dt->instance; // the instance before unique'ing
jl_svec_t *tt = dt->parameters;
if (dt->uid == 0 || dt->uid == -1) {
// recache all type parameters
size_t i, l = jl_svec_len(tt);
for (i = 0; i < l; i++) {
jl_datatype_t *p = (jl_datatype_t*)jl_svecref(tt, i);
if (jl_is_datatype(p)) {
if (p->uid == -1 || p->uid == 0) {
jl_datatype_t *cachep = jl_recache_type(p, start, NULL);
if (p != cachep) {
assert(jl_invalid_types_equal(p, cachep));
jl_svecset(tt, i, cachep);
}
}
}
else {
jl_datatype_t *tp = (jl_datatype_t*)jl_typeof(p);
assert(tp->uid != 0);
if (tp->uid == -1) {
tp = jl_recache_type(tp, start, NULL);
}
if (tp->instance && (jl_value_t*)p != tp->instance)
jl_svecset(tt, i, tp->instance);
}
}
}
jl_datatype_t *t; // the type after unique'ing
if (dt->uid == 0) {
return dt;
}
else if (dt->uid == -1) {
if (jl_svec_len(tt) == 0) { // jl_cache_type doesn't work if length(parameters) == 0
dt->uid = jl_assign_type_uid();
t = dt;
}
else {
dt->uid = 0;
t = (jl_datatype_t*)jl_cache_type_(dt);
assert(jl_invalid_types_equal(t, dt));
}
}
else {
t = dt;
}
assert(t->uid != 0);
if (t == dt && v == NULL)
return t;
// delete / replace any other usages of this type in the backref list
// with the newly constructed object
size_t i = start;
while (i < flagref_list.len) {
jl_value_t **loc = (jl_value_t**)flagref_list.items[i + 0];
int offs = (int)(intptr_t)flagref_list.items[i + 1];
jl_value_t *o = loc ? *loc : (jl_value_t*)backref_list.items[offs];
if ((jl_value_t*)dt == o) {
if (t != dt) {
if (loc)
*loc = (jl_value_t*)t;
if (offs > 0)
backref_list.items[offs] = t;
}
}
else if (v == o) {
if (t->instance != v) {
assert(loc);
*loc = t->instance;
if (offs > 0)
backref_list.items[offs] = t->instance;
}
}
else {
i += 2;
continue;
}
// delete this item from the flagref list, so it won't be re-encountered later
flagref_list.len -= 2;
if (i >= flagref_list.len)
break;
flagref_list.items[i + 0] = flagref_list.items[flagref_list.len + 0];
flagref_list.items[i + 1] = flagref_list.items[flagref_list.len + 1];
}
return t;
}
static void jl_recache_types(void) JL_GC_DISABLED
{
size_t i = 0;
while (i < flagref_list.len) {
jl_value_t **loc = (jl_value_t**)flagref_list.items[i + 0];
int offs = (int)(intptr_t)flagref_list.items[i + 1];
jl_value_t *o = loc ? *loc : (jl_value_t*)backref_list.items[offs];
if (jl_is_method(o) || jl_is_method_instance(o)) {
i += 2;
}
else {
jl_value_t *v;
jl_datatype_t *dt, *t;
if (jl_is_datatype(o)) {
dt = (jl_datatype_t*)o;
v = dt->instance;
t = dt->uid == -1 ? jl_recache_type(dt, i + 2, NULL) : dt;
}
else {
dt = (jl_datatype_t*)jl_typeof(o);
v = o;
assert(dt->instance);
t = jl_recache_type(dt, i + 2, v);
}
assert(dt);
if (t != dt) {
assert(!type_in_worklist(t));
jl_set_typeof(dt, (void*)(intptr_t)0x10); // invalidate the old datatype to help catch errors
if ((jl_value_t*)dt == o) {
if (loc)
*loc = (jl_value_t*)t;
if (offs > 0)
backref_list.items[offs] = t;
}
}
if (t->instance != v) {
jl_set_typeof(v, (void*)(intptr_t)0x20); // invalidate the old value to help catch errors
if (v == o) {
assert(loc);
*loc = t->instance;
if (offs > 0)
backref_list.items[offs] = t->instance;
}
}
// delete this item from the flagref list, so it won't be re-encountered later
flagref_list.len -= 2;
if (i >= flagref_list.len)
break;
flagref_list.items[i + 0] = flagref_list.items[flagref_list.len + 0];
flagref_list.items[i + 1] = flagref_list.items[flagref_list.len + 1];
}
}
}
static void jl_update_backref_list(jl_value_t *old, jl_value_t *_new, size_t start)
{
// update the backref list
size_t i = start;
while (i < flagref_list.len) {
jl_value_t **loc = (jl_value_t**)flagref_list.items[i + 0];
int offs = (int)(intptr_t)flagref_list.items[i + 1];
jl_value_t *v = loc ? *loc : (jl_value_t*)backref_list.items[offs];
if ((jl_value_t*)v == old) { // same item, update this entry
if (loc)
*loc = (jl_value_t*)_new;
if (offs > 0)
backref_list.items[offs] = _new;
// delete this item from the flagref list, so it won't be re-encountered later
flagref_list.len -= 2;
if (i >= flagref_list.len)
break;
flagref_list.items[i + 0] = flagref_list.items[flagref_list.len + 0];
flagref_list.items[i + 1] = flagref_list.items[flagref_list.len + 1];
}
else {
i += 2;
}
}
}
// repeatedly look up older methods until we come to one that existed
// at the time this module was serialized
static jl_method_t *jl_lookup_method_worldset(jl_methtable_t *mt, jl_datatype_t *sig, arraylist_t *dependent_worlds, size_t *max_world)
{
size_t world = jl_world_counter;
jl_typemap_entry_t *entry;
jl_method_t *_new;
while (1) {
entry = jl_typemap_assoc_by_type(
mt->defs, (jl_value_t*)sig, NULL, /*subtype*/0, /*offs*/0, world, /*max_world_mask*/0);
if (!entry)
break;
_new = (jl_method_t*)entry->func.value;
world = lowerbound_dependent_world_set(_new->min_world, dependent_worlds);
if (world == _new->min_world) {
*max_world = entry->max_world;
return _new;
}
}
// If we failed to find a method (perhaps due to method deletion),
// grab anything
entry = jl_typemap_assoc_by_type(
mt->defs, (jl_value_t*)sig, NULL, /*subtype*/0, /*offs*/0, /*world*/jl_world_counter, /*max_world_mask*/(~(size_t)0) >> 1);
assert(entry);
assert(entry->max_world != ~(size_t)0);
*max_world = entry->max_world;
return (jl_method_t*)entry->func.value;
}
static jl_method_t *jl_recache_method(jl_method_t *m, size_t start, arraylist_t *dependent_worlds)
{
jl_datatype_t *sig = (jl_datatype_t*)m->sig;
jl_datatype_t *ftype = jl_first_argument_datatype((jl_value_t*)sig);
jl_methtable_t *mt = ftype->name->mt;
size_t max_world = 0;
jl_set_typeof(m, (void*)(intptr_t)0x30); // invalidate the old value to help catch errors
jl_method_t *_new = jl_lookup_method_worldset(mt, sig, dependent_worlds, &max_world);
jl_update_backref_list((jl_value_t*)m, (jl_value_t*)_new, start);
return _new;
}
static jl_method_instance_t *jl_recache_method_instance(jl_method_instance_t *li, size_t start, arraylist_t *dependent_worlds)
{
jl_datatype_t *sig = (jl_datatype_t*)li->def.value;
assert(jl_is_datatype(sig) || jl_is_unionall(sig));
jl_datatype_t *ftype = jl_first_argument_datatype((jl_value_t*)sig);
jl_methtable_t *mt = ftype->name->mt;
size_t max_world = 0;
jl_method_t *m = jl_lookup_method_worldset(mt, sig, dependent_worlds, &max_world);
jl_datatype_t *argtypes = (jl_datatype_t*)li->specTypes;
jl_set_typeof(li, (void*)(intptr_t)0x40); // invalidate the old value to help catch errors
jl_svec_t *env = jl_emptysvec;
jl_value_t *ti = jl_type_intersection_env((jl_value_t*)argtypes, (jl_value_t*)m->sig, &env);
//assert(ti != jl_bottom_type); (void)ti;
if (ti == jl_bottom_type)
env = jl_emptysvec; // the intersection may fail now if the type system had made an incorrect subtype env in the past
jl_method_instance_t *_new = jl_specializations_get_linfo(m, (jl_value_t*)argtypes, env, jl_world_counter < max_world ? jl_world_counter : max_world);
_new->max_world = max_world;
jl_update_backref_list((jl_value_t*)li, (jl_value_t*)_new, start);
return _new;
}
static void jl_recache_other(arraylist_t *dependent_worlds)
{
size_t i = 0;
while (i < flagref_list.len) {
jl_value_t **loc = (jl_value_t**)flagref_list.items[i + 0];
int offs = (int)(intptr_t)flagref_list.items[i + 1];
jl_value_t *_new, *o = loc ? *loc : (jl_value_t*)backref_list.items[offs];
i += 2;
if (jl_is_method(o)) {
// lookup the real Method based on the placeholder sig
_new = (jl_value_t*)jl_recache_method((jl_method_t*)o, i, dependent_worlds);
}
else if (jl_is_method_instance(o)) {
// lookup the real MethodInstance based on the placeholder specTypes
_new = (jl_value_t*)jl_recache_method_instance((jl_method_instance_t*)o, i, dependent_worlds);
}
else {
abort();
}
if (loc)
*loc = _new;
if (offs > 0)
backref_list.items[offs] = _new;
}
}
extern tracer_cb jl_newmeth_tracer;
static int trace_method(jl_typemap_entry_t *entry, void *closure)
{
jl_call_tracer(jl_newmeth_tracer, (jl_value_t*)entry->func.method);
return 1;
}
static jl_value_t *_jl_restore_incremental(ios_t *f, jl_array_t *mod_array)
{
jl_ptls_t ptls = jl_get_ptls_states();
if (ios_eof(f) || !jl_read_verify_header(f)) {
ios_close(f);
return jl_get_exceptionf(jl_errorexception_type,
"Precompile file header verification checks failed.");
}
{ // skip past the mod list
size_t len;
while ((len = read_int32(f)))
ios_skip(f, len + 3 * sizeof(uint64_t));
}
{ // skip past the dependency list
size_t deplen = read_uint64(f);
ios_skip(f, deplen);
}
jl_bigint_type = jl_base_module ? jl_get_global(jl_base_module, jl_symbol("BigInt")) : NULL;
if (jl_bigint_type) {
gmp_limb_size = jl_unbox_long(jl_get_global((jl_module_t*)jl_get_global(jl_base_module, jl_symbol("GMP")),
jl_symbol("BITS_PER_LIMB"))) / 8;
}
// list of world counters of incremental dependencies
arraylist_t dependent_worlds;
arraylist_new(&dependent_worlds, 0);
// verify that the system state is valid
jl_value_t *verify_fail = read_verify_mod_list(f, &dependent_worlds, mod_array);
if (verify_fail) {
arraylist_free(&dependent_worlds);
ios_close(f);
return verify_fail;
}
// prepare to deserialize
int en = jl_gc_enable(0);
jl_gc_enable_finalizers(ptls, 0);
++jl_world_counter; // reserve a world age for the deserialization
arraylist_new(&backref_list, 4000);
arraylist_push(&backref_list, jl_main_module);
arraylist_new(&flagref_list, 0);
arraylist_push(&dependent_worlds, (void*)jl_world_counter);
arraylist_push(&dependent_worlds, (void*)jl_main_module->primary_world);
qsort(dependent_worlds.items, dependent_worlds.len, sizeof(size_t), size_isgreater);
jl_serializer_state s = {
f, MODE_MODULE,
NULL,
ptls,
mod_array
};
jl_array_t *restored = (jl_array_t*)jl_deserialize_value(&s, (jl_value_t**)&restored);
serializer_worklist = restored;
// get list of external generic functions
jl_value_t *external_methods = jl_deserialize_value(&s, &external_methods);
jl_value_t *external_backedges = jl_deserialize_value(&s, &external_backedges);
arraylist_t *tracee_list = NULL;
if (jl_newmeth_tracer)
tracee_list = arraylist_new((arraylist_t*)malloc(sizeof(arraylist_t)), 0);
// at this point, the AST is fully reconstructed, but still completely disconnected
// now all of the interconnects will be created
jl_recache_types(); // make all of the types identities correct
jl_insert_methods((jl_array_t*)external_methods); // hook up methods of external generic functions (needs to be after recache types)
jl_recache_other(&dependent_worlds); // make all of the other objects identities correct (needs to be after insert methods)
jl_array_t *init_order = jl_finalize_deserializer(&s, tracee_list); // done with f and s (needs to be after recache)
JL_GC_PUSH3(&init_order, &restored, &external_backedges);
jl_gc_enable(en); // subtyping can allocate a lot, not valid before recache-other
jl_insert_backedges((jl_array_t*)external_backedges, &dependent_worlds); // restore external backedges (needs to be last)
serializer_worklist = NULL;
arraylist_free(&flagref_list);
arraylist_free(&backref_list);
arraylist_free(&dependent_worlds);
ios_close(f);
jl_gc_enable_finalizers(ptls, 1); // make sure we don't run any Julia code concurrently before this point
if (tracee_list) {
jl_methtable_t *mt;
while ((mt = (jl_methtable_t*)arraylist_pop(tracee_list)) != NULL) {
JL_GC_PROMISE_ROOTED(mt);
jl_typemap_visitor(mt->defs, trace_method, NULL);
}
arraylist_free(tracee_list);
free(tracee_list);
}
jl_value_t *ret = (jl_value_t*)jl_svec(2, restored, init_order);
JL_GC_POP();
return (jl_value_t*)ret;
}
JL_DLLEXPORT jl_value_t *jl_restore_incremental_from_buf(const char *buf, size_t sz, jl_array_t *mod_array)
{
ios_t f;
ios_static_buffer(&f, (char*)buf, sz);
return _jl_restore_incremental(&f, mod_array);
}
JL_DLLEXPORT jl_value_t *jl_restore_incremental(const char *fname, jl_array_t *mod_array)
{
ios_t f;
if (ios_file(&f, fname, 1, 0, 0, 0) == NULL) {
return jl_get_exceptionf(jl_errorexception_type,
"Cache file \"%s\" not found.\n", fname);
}
return _jl_restore_incremental(&f, mod_array);
}
// --- init ---
void jl_init_serializer(void)
{
jl_ptls_t ptls = jl_get_ptls_states();
htable_new(&ser_tag, 0);
htable_new(&common_symbol_tag, 0);
htable_new(&backref_table, 0);
void *vals[] = { jl_emptysvec, jl_emptytuple, jl_false, jl_true, jl_nothing, jl_any_type,
call_sym, invoke_sym, goto_ifnot_sym, return_sym, jl_symbol("tuple"),
unreachable_sym,
// empirical list of very common symbols
#include "common_symbols1.inc"
jl_box_int32(0), jl_box_int32(1), jl_box_int32(2),
jl_box_int32(3), jl_box_int32(4), jl_box_int32(5),
jl_box_int32(6), jl_box_int32(7), jl_box_int32(8),
jl_box_int32(9), jl_box_int32(10), jl_box_int32(11),
jl_box_int32(12), jl_box_int32(13), jl_box_int32(14),
jl_box_int32(15), jl_box_int32(16), jl_box_int32(17),
jl_box_int32(18), jl_box_int32(19), jl_box_int32(20),
jl_box_int32(21),
jl_box_int64(0), jl_box_int64(1), jl_box_int64(2),
jl_box_int64(3), jl_box_int64(4), jl_box_int64(5),
jl_box_int64(6), jl_box_int64(7), jl_box_int64(8),
jl_box_int64(9), jl_box_int64(10), jl_box_int64(11),
jl_box_int64(12), jl_box_int64(13), jl_box_int64(14),
jl_box_int64(15), jl_box_int64(16), jl_box_int64(17),
jl_box_int64(18), jl_box_int64(19), jl_box_int64(20),
jl_box_int64(21), jl_box_int64(22),
jl_bool_type, jl_linenumbernode_type, jl_pinode_type,
jl_upsilonnode_type, jl_type_type, jl_bottom_type, jl_ref_type,
jl_pointer_type, jl_vararg_type, jl_abstractarray_type, jl_void_type,
jl_densearray_type, jl_function_type, jl_typename_type,
jl_builtin_type, jl_task_type, jl_uniontype_type, jl_typetype_type,
jl_array_any_type, jl_intrinsic_type,
jl_abstractslot_type, jl_methtable_type, jl_typemap_level_type,
jl_voidpointer_type, jl_newvarnode_type, jl_abstractstring_type,
jl_array_symbol_type, jl_anytuple_type, jl_tparam0(jl_anytuple_type),
jl_emptytuple_type, jl_array_uint8_type, jl_code_info_type,
jl_typeofbottom_type, jl_namedtuple_type, jl_array_int32_type,
jl_typedslot_type, jl_uint32_type, jl_uint64_type,
ptls->root_task,
NULL };
// more common symbols, less common than those above. will get 2-byte encodings.
void *common_symbols[] = {
#include "common_symbols2.inc"
NULL
};
deser_tag[TAG_SYMBOL] = (jl_value_t*)jl_symbol_type;
deser_tag[TAG_SSAVALUE] = (jl_value_t*)jl_ssavalue_type;
deser_tag[TAG_DATATYPE] = (jl_value_t*)jl_datatype_type;
deser_tag[TAG_SLOTNUMBER] = (jl_value_t*)jl_slotnumber_type;
deser_tag[TAG_SVEC] = (jl_value_t*)jl_simplevector_type;
deser_tag[TAG_ARRAY] = (jl_value_t*)jl_array_type;
deser_tag[TAG_EXPR] = (jl_value_t*)jl_expr_type;
deser_tag[TAG_PHINODE] = (jl_value_t*)jl_phinode_type;
deser_tag[TAG_PHICNODE] = (jl_value_t*)jl_phicnode_type;
deser_tag[TAG_STRING] = (jl_value_t*)jl_string_type;
deser_tag[TAG_TYPEMAP_ENTRY] = (jl_value_t*)jl_typemap_entry_type;
deser_tag[TAG_MODULE] = (jl_value_t*)jl_module_type;
deser_tag[TAG_TVAR] = (jl_value_t*)jl_tvar_type;
deser_tag[TAG_METHOD_INSTANCE] = (jl_value_t*)jl_method_instance_type;
deser_tag[TAG_METHOD] = (jl_value_t*)jl_method_type;
deser_tag[TAG_GLOBALREF] = (jl_value_t*)jl_globalref_type;
deser_tag[TAG_INT32] = (jl_value_t*)jl_int32_type;
deser_tag[TAG_INT64] = (jl_value_t*)jl_int64_type;
deser_tag[TAG_UINT8] = (jl_value_t*)jl_uint8_type;
deser_tag[TAG_LINEINFO] = (jl_value_t*)jl_lineinfonode_type;
deser_tag[TAG_UNIONALL] = (jl_value_t*)jl_unionall_type;
deser_tag[TAG_GOTONODE] = (jl_value_t*)jl_gotonode_type;
deser_tag[TAG_QUOTENODE] = (jl_value_t*)jl_quotenode_type;
intptr_t i = 0;
while (vals[i] != NULL) {
deser_tag[LAST_TAG+1+i] = (jl_value_t*)vals[i];
i += 1;
}
assert(i <= 256);
for (i = 2; i < 256; i++) {
if (deser_tag[i])
ptrhash_put(&ser_tag, deser_tag[i], (void*)i);
}
i = 2;
while (common_symbols[i-2] != NULL) {
ptrhash_put(&common_symbol_tag, common_symbols[i-2], (void*)i);
deser_symbols[i] = (jl_value_t*)common_symbols[i-2];
i += 1;
}
assert(i <= 256);
arraylist_new(&builtin_typenames, 0);
arraylist_push(&builtin_typenames, jl_array_typename);
arraylist_push(&builtin_typenames, ((jl_datatype_t*)jl_ref_type->body)->name);
arraylist_push(&builtin_typenames, jl_pointer_typename);
arraylist_push(&builtin_typenames, jl_type_typename);
arraylist_push(&builtin_typenames, ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_abstractarray_type))->name);
arraylist_push(&builtin_typenames, ((jl_datatype_t*)jl_unwrap_unionall((jl_value_t*)jl_densearray_type))->name);
arraylist_push(&builtin_typenames, jl_tuple_typename);
arraylist_push(&builtin_typenames, jl_vararg_typename);
arraylist_push(&builtin_typenames, jl_namedtuple_typename);
}
#ifdef __cplusplus
}
#endif
