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Share the exception local ID table

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[Fix GH-2115]

From: Lourens Naudé <lourens@bearmetal.eu>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67511 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2019-04-11 10:36:36 +00:00
parent cf781b0871
commit 47c82df27f
3 changed files with 7 additions and 8 deletions
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10
compile.c
View file

@ -106,6 +106,8 @@ struct iseq_compile_data_ensure_node_stack {
struct ensure_range *erange;
};
const ID rb_iseq_shared_exc_local_tbl[] = {idERROR_INFO};
/**
* debug function(macro) interface depend on CPDEBUG
* if it is less than 0, runtime option is in effect.
@ -1361,14 +1363,8 @@ iseq_setup(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
static int
iseq_set_exception_local_table(rb_iseq_t *iseq)
{
/* TODO: every id table is same -> share it.
* Current problem is iseq_free().
*/
ID *ids = (ID *)ALLOC_N(ID, 1);
iseq->body->local_table_size = 1;
ids[0] = idERROR_INFO;
iseq->body->local_table = ids;
iseq->body->local_table = rb_iseq_shared_exc_local_tbl;
return COMPILE_OK;
}

3
iseq.c
View file

@ -91,7 +91,8 @@ rb_iseq_free(const rb_iseq_t *iseq)
#if VM_INSN_INFO_TABLE_IMPL == 2
if (body->insns_info.succ_index_table) ruby_xfree(body->insns_info.succ_index_table);
#endif
ruby_xfree((void *)body->local_table);
if (LIKELY(body->local_table != rb_iseq_shared_exc_local_tbl))
ruby_xfree((void *)body->local_table);
ruby_xfree((void *)body->is_entries);
if (body->ci_entries) {

2
iseq.h
View file

@ -21,6 +21,8 @@ typedef struct rb_iseq_struct rb_iseq_t;
#define rb_iseq_t rb_iseq_t
#endif
extern const ID rb_iseq_shared_exc_local_tbl[];
static inline size_t
rb_call_info_kw_arg_bytes(int keyword_len)
{