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* hash.c, include/ruby/ruby.h: support WB protected hash.

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* constify RHash::ifnone and make new macro RHASH_SET_IFNONE().
* insert write barrier for st_update().
* include/ruby/intern.h: declare rb_hash_set_ifnone(hash, ifnone).
* marshal.c (r_object0): use RHASH_SET_IFNONE().
* ext/openssl/ossl_x509name.c (Init_ossl_x509name): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40933 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2013-05-26 12:37:11 +00:00
parent ea54c59a8e
commit a20a14727f
6 changed files with 99 additions and 41 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
Sun May 26 21:31:46 2013 Koichi Sasada <ko1@atdot.net>
* hash.c, include/ruby/ruby.h: support WB protected hash.
* constify RHash::ifnone and make new macro RHASH_SET_IFNONE().
* insert write barrier for st_update().
* include/ruby/intern.h: declare rb_hash_set_ifnone(hash, ifnone).
* marshal.c (r_object0): use RHASH_SET_IFNONE().
* ext/openssl/ossl_x509name.c (Init_ossl_x509name): ditto.
Sat May 25 23:22:38 2013 Kazuki Tsujimoto <kazuki@callcc.net>
* test/fiddle/test_c_struct_entry.rb,

2
ext/openssl/ossl_x509name.c
View file

@ -459,7 +459,7 @@ Init_ossl_x509name()
*/
rb_define_const(cX509Name, "DEFAULT_OBJECT_TYPE", utf8str);
hash = rb_hash_new();
RHASH(hash)->ifnone = utf8str;
RHASH_SET_IFNONE(hash, utf8str);
rb_hash_aset(hash, rb_str_new2("C"), ptrstr);
rb_hash_aset(hash, rb_str_new2("countryName"), ptrstr);
rb_hash_aset(hash, rb_str_new2("serialNumber"), ptrstr);

105
hash.c
View file

@ -32,6 +32,16 @@ static VALUE rb_hash_s_try_convert(VALUE, VALUE);
#define HASH_DELETED FL_USER1
#define HASH_PROC_DEFAULT FL_USER2
/*
* Hash WB strategy:
* 1. Check mutate st_* functions
* * st_insert()
* * st_insert2()
* * st_update()
* * st_add_direct()
* 2. Insert WBs
*/
VALUE
rb_hash_freeze(VALUE hash)
{
@ -43,6 +53,13 @@ VALUE rb_cHash;
static VALUE envtbl;
static ID id_hash, id_yield, id_default;
VALUE
rb_hash_set_ifnone(VALUE hash, VALUE ifnone)
{
OBJ_WRITE(hash, (VALUE *)(&RHASH(hash)->ifnone), ifnone);
return hash;
}
static int
rb_any_cmp(VALUE a, VALUE b)
{
@ -213,9 +230,9 @@ rb_hash_foreach(VALUE hash, int (*func)(ANYARGS), VALUE farg)
static VALUE
hash_alloc(VALUE klass)
{
NEWOBJ_OF(hash, struct RHash, klass, T_HASH);
NEWOBJ_OF(hash, struct RHash, klass, T_HASH | (RGENGC_WB_PROTECTED_HASH ? FL_WB_PROTECTED : 0));
RHASH_IFNONE(hash) = Qnil;
RHASH_SET_IFNONE((VALUE)hash, Qnil);
return (VALUE)hash;
}
@ -250,7 +267,7 @@ rb_hash_dup(VALUE hash)
if (FL_TEST(hash, HASH_PROC_DEFAULT)) {
FL_SET(ret, HASH_PROC_DEFAULT);
}
RHASH_IFNONE(ret) = RHASH_IFNONE(hash);
RHASH_SET_IFNONE(ret, RHASH_IFNONE(hash));
return (VALUE)ret;
}
@ -262,8 +279,8 @@ rb_hash_modify_check(VALUE hash)
rb_raise(rb_eSecurityError, "Insecure: can't modify hash");
}
struct st_table *
rb_hash_tbl(VALUE hash)
static struct st_table *
hash_tbl(VALUE hash)
{
if (!RHASH(hash)->ntbl) {
RHASH(hash)->ntbl = st_init_table(&objhash);
@ -271,11 +288,18 @@ rb_hash_tbl(VALUE hash)
return RHASH(hash)->ntbl;
}
struct st_table *
rb_hash_tbl(VALUE hash)
{
OBJ_WB_GIVEUP(hash);
return hash_tbl(hash);
}
static void
rb_hash_modify(VALUE hash)
{
rb_hash_modify_check(hash);
rb_hash_tbl(hash);
hash_tbl(hash);
}
NORETURN(static void no_new_key(void));
@ -285,20 +309,35 @@ no_new_key(void)
rb_raise(rb_eRuntimeError, "can't add a new key into hash during iteration");
}
struct update_callback_arg {
VALUE hash;
st_data_t arg;
};
#define NOINSERT_UPDATE_CALLBACK(func) \
int \
func##_noinsert(st_data_t *key, st_data_t *val, st_data_t arg, int existing) \
{ \
struct update_callback_arg *uc_arg = (struct update_callback_arg *)arg; \
if (!existing) no_new_key(); \
return func(key, val, arg, existing); \
return func(uc_arg->hash, key, val, uc_arg->arg, existing); \
} \
int \
func##_insert(st_data_t *key, st_data_t *val, st_data_t arg, int existing) \
{ \
struct update_callback_arg *uc_arg = (struct update_callback_arg *)arg; \
return func(uc_arg->hash, key, val, uc_arg->arg, existing); \
}
#define UPDATE_CALLBACK(iter_lev, func) ((iter_lev) > 0 ? func##_noinsert : func)
#define UPDATE_CALLBACK(iter_lev, func) ((iter_lev) > 0 ? func##_noinsert : func##_insert)
#define RHASH_UPDATE_ITER(hash, iter_lev, key, func, arg) \
st_update(RHASH(hash)->ntbl, (st_data_t)(key), \
#define RHASH_UPDATE_ITER(h, iter_lev, key, func, a) do { \
struct update_callback_arg uc_arg; uc_arg.hash = h; uc_arg.arg = a; \
st_update(RHASH(h)->ntbl, (st_data_t)(key), \
UPDATE_CALLBACK((iter_lev), func), \
(st_data_t)(arg))
(st_data_t)(&uc_arg)); \
} while (0)
#define RHASH_UPDATE(hash, key, func, arg) \
RHASH_UPDATE_ITER(hash, RHASH_ITER_LEV(hash), key, func, arg)
@ -358,12 +397,12 @@ rb_hash_initialize(int argc, VALUE *argv, VALUE hash)
rb_check_arity(argc, 0, 0);
ifnone = rb_block_proc();
default_proc_arity_check(ifnone);
RHASH_IFNONE(hash) = ifnone;
RHASH_SET_IFNONE(hash, ifnone);
FL_SET(hash, HASH_PROC_DEFAULT);
}
else {
rb_scan_args(argc, argv, "01", &ifnone);
RHASH_IFNONE(hash) = ifnone;
RHASH_SET_IFNONE(hash, ifnone);
}
return hash;
@ -709,7 +748,7 @@ static VALUE
rb_hash_set_default(VALUE hash, VALUE ifnone)
{
rb_hash_modify_check(hash);
RHASH_IFNONE(hash) = ifnone;
RHASH_SET_IFNONE(hash, ifnone);
FL_UNSET(hash, HASH_PROC_DEFAULT);
return ifnone;
}
@ -759,7 +798,7 @@ rb_hash_set_default_proc(VALUE hash, VALUE proc)
rb_hash_modify_check(hash);
if (NIL_P(proc)) {
FL_UNSET(hash, HASH_PROC_DEFAULT);
RHASH_IFNONE(hash) = proc;
RHASH_SET_IFNONE(hash, proc);
return proc;
}
b = rb_check_convert_type(proc, T_DATA, "Proc", "to_proc");
@ -770,7 +809,7 @@ rb_hash_set_default_proc(VALUE hash, VALUE proc)
}
proc = b;
default_proc_arity_check(proc);
RHASH_IFNONE(hash) = proc;
RHASH_SET_IFNONE(hash, proc);
FL_SET(hash, HASH_PROC_DEFAULT);
return proc;
}
@ -1146,17 +1185,17 @@ rb_hash_clear(VALUE hash)
}
static int
hash_aset(st_data_t *key, st_data_t *val, st_data_t arg, int existing)
hash_aset(VALUE hash, st_data_t *key, st_data_t *val, st_data_t arg, int existing)
{
*val = arg;
OBJ_WRITE(hash, (VALUE *)val, arg);
return ST_CONTINUE;
}
static int
hash_aset_str(st_data_t *key, st_data_t *val, st_data_t arg, int existing)
hash_aset_str(VALUE hash, st_data_t *key, st_data_t *val, st_data_t arg, int existing)
{
*key = (st_data_t)rb_str_new_frozen((VALUE)*key);
return hash_aset(key, val, arg, existing);
OBJ_WRITE(hash, (VALUE *)key, rb_str_new_frozen((VALUE)*key));
return hash_aset(hash, key, val, arg, existing);
}
static NOINSERT_UPDATE_CALLBACK(hash_aset)
@ -1189,7 +1228,7 @@ rb_hash_aset(VALUE hash, VALUE key, VALUE val)
rb_hash_modify(hash);
if (!tbl) {
if (iter_lev > 0) no_new_key();
tbl = RHASH_TBL(hash);
tbl = hash_tbl(hash);
}
if (tbl->type == &identhash || rb_obj_class(key) != rb_cString) {
RHASH_UPDATE_ITER(hash, iter_lev, key, hash_aset, val);
@ -1227,7 +1266,7 @@ rb_hash_initialize_copy(VALUE hash, VALUE hash2)
else {
FL_UNSET(hash, HASH_PROC_DEFAULT);
}
RHASH_IFNONE(hash) = RHASH_IFNONE(hash2);
RHASH_SET_IFNONE(hash, RHASH_IFNONE(hash2));
return hash;
}
@ -1252,11 +1291,11 @@ rb_hash_replace(VALUE hash, VALUE hash2)
if (hash == hash2) return hash;
rb_hash_clear(hash);
if (RHASH(hash2)->ntbl) {
rb_hash_tbl(hash);
hash_tbl(hash);
RHASH(hash)->ntbl->type = RHASH(hash2)->ntbl->type;
}
rb_hash_foreach(hash2, replace_i, hash);
RHASH_IFNONE(hash) = RHASH_IFNONE(hash2);
RHASH_SET_IFNONE(hash, RHASH_IFNONE(hash2));
if (FL_TEST(hash2, HASH_PROC_DEFAULT)) {
FL_SET(hash, HASH_PROC_DEFAULT);
}
@ -1525,7 +1564,7 @@ rb_hash_to_h(VALUE hash)
if (FL_TEST(hash, HASH_PROC_DEFAULT)) {
FL_SET(ret, HASH_PROC_DEFAULT);
}
RHASH_IFNONE(ret) = RHASH_IFNONE(hash);
RHASH_SET_IFNONE(ret, RHASH_IFNONE(hash));
return ret;
}
return hash;
@ -1832,9 +1871,9 @@ rb_hash_invert(VALUE hash)
}
static int
rb_hash_update_callback(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
rb_hash_update_callback(VALUE hash, st_data_t *key, st_data_t *value, st_data_t arg, int existing)
{
*value = arg;
OBJ_WRITE(hash, (VALUE *)value, (VALUE)arg);
return ST_CONTINUE;
}
@ -1848,13 +1887,13 @@ rb_hash_update_i(VALUE key, VALUE value, VALUE hash)
}
static int
rb_hash_update_block_callback(st_data_t *key, st_data_t *value, st_data_t arg, int existing)
rb_hash_update_block_callback(VALUE hash, st_data_t *key, st_data_t *value, st_data_t arg, int existing)
{
VALUE newvalue = (VALUE)arg;
if (existing) {
newvalue = rb_yield_values(3, (VALUE)*key, (VALUE)*value, newvalue);
}
*value = (st_data_t)newvalue;
OBJ_WRITE(hash, (VALUE *)value, newvalue);
return ST_CONTINUE;
}
@ -1911,14 +1950,14 @@ struct update_arg {
};
static int
rb_hash_update_func_callback(st_data_t *key, st_data_t *value, st_data_t arg0, int existing)
rb_hash_update_func_callback(VALUE hash, st_data_t *key, st_data_t *value, st_data_t arg0, int existing)
{
struct update_arg *arg = (struct update_arg *)arg0;
VALUE newvalue = arg->value;
if (existing) {
newvalue = (*arg->func)((VALUE)*key, (VALUE)*value, newvalue);
}
*value = (st_data_t)newvalue;
OBJ_WRITE(hash, (VALUE *)value, (VALUE)newvalue);
return ST_CONTINUE;
}
@ -1931,7 +1970,7 @@ rb_hash_update_func_i(VALUE key, VALUE value, VALUE arg0)
VALUE hash = arg->hash;
arg->value = value;
RHASH_UPDATE(hash, key, rb_hash_update_func_callback, arg);
RHASH_UPDATE(hash, key, rb_hash_update_func_callback, (VALUE)arg);
return ST_CONTINUE;
}

1
include/ruby/intern.h
View file

@ -460,6 +460,7 @@ VALUE rb_hash_aset(VALUE, VALUE, VALUE);
VALUE rb_hash_clear(VALUE);
VALUE rb_hash_delete_if(VALUE);
VALUE rb_hash_delete(VALUE,VALUE);
VALUE rb_hash_set_ifnone(VALUE hash, VALUE ifnone);
typedef VALUE rb_hash_update_func(VALUE newkey, VALUE oldkey, VALUE value);
VALUE rb_hash_update_by(VALUE hash1, VALUE hash2, rb_hash_update_func *func);
struct st_table *rb_hash_tbl(VALUE);

8
include/ruby/ruby.h
View file

@ -689,6 +689,11 @@ VALUE rb_obj_setup(VALUE obj, VALUE klass, VALUE type);
#ifndef RGENGC_WB_PROTECTED_ARRAY
#define RGENGC_WB_PROTECTED_ARRAY 1
#endif
#ifndef RGENGC_WB_PROTECTED_HASH
#define RGENGC_WB_PROTECTED_HASH 1
#endif
#ifndef RGENGC_WB_PROTECTED_STRING
#define RGENGC_WB_PROTECTED_STRING 1
#endif
@ -960,7 +965,7 @@ struct RHash {
struct RBasic basic;
struct st_table *ntbl; /* possibly 0 */
int iter_lev;
VALUE ifnone;
const VALUE ifnone;
};
/* RHASH_TBL allocates st_table if not available. */
#define RHASH_TBL(h) rb_hash_tbl(h)
@ -968,6 +973,7 @@ struct RHash {
#define RHASH_IFNONE(h) (RHASH(h)->ifnone)
#define RHASH_SIZE(h) (RHASH(h)->ntbl ? RHASH(h)->ntbl->num_entries : 0)
#define RHASH_EMPTY_P(h) (RHASH_SIZE(h) == 0)
#define RHASH_SET_IFNONE(h, ifnone) rb_hash_set_ifnone((VALUE)h, ifnone)
struct RFile {
struct RBasic basic;

2
marshal.c
View file

@ -1725,7 +1725,7 @@ r_object0(struct load_arg *arg, int *ivp, VALUE extmod)
}
arg->readable += 2;
if (type == TYPE_HASH_DEF) {
RHASH_IFNONE(v) = r_object(arg);
RHASH_SET_IFNONE(v, r_object(arg));
}
v = r_leave(v, arg);
}