diff options
Diffstat (limited to 'gcc/stringpool.cc')
| -rw-r--r-- | gcc/stringpool.cc | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/stringpool.cc b/gcc/stringpool.cc index 8658e6a..3848967 100644 --- a/gcc/stringpool.cc +++ b/gcc/stringpool.cc @@ -29,8 +29,10 @@ along with GCC; see the file COPYING3. If not see #include "system.h" #include "coretypes.h" #include "tree.h" +#include "cpplib.h" struct ht *ident_hash; +struct ht *ident_hash_extra; static hashnode alloc_node (cpp_hash_table *); static int mark_ident (struct cpp_reader *, hashnode, const void *); @@ -49,11 +51,21 @@ init_stringpool (void) (We can't make this idempotent since identifiers contain state) */ if (ident_hash) ht_destroy (ident_hash); + if (ident_hash_extra) + ht_destroy (ident_hash_extra); /* Create with 16K (2^14) entries. */ ident_hash = ht_create (14); ident_hash->alloc_node = alloc_node; ident_hash->alloc_subobject = stringpool_ggc_alloc; + + /* Create with 64 (2^6) entries. */ + ident_hash_extra = ht_create (6); + ident_hash_extra->alloc_node = [] (cpp_hash_table *) + { + return HT_NODE (ggc_cleared_alloc<cpp_hashnode_extra> ()); + }; + ident_hash_extra->alloc_subobject = stringpool_ggc_alloc; } /* Allocate a hash node. */ @@ -166,6 +178,12 @@ void ggc_mark_stringpool (void) { ht_forall (ident_hash, mark_ident, NULL); + ht_forall (ident_hash_extra, + [] (cpp_reader *, hashnode h, const void *) + { + gt_ggc_m_18cpp_hashnode_extra (h); + return 1; + }, nullptr); } /* Purge the identifier hash of identifiers which are no longer @@ -175,6 +193,11 @@ void ggc_purge_stringpool (void) { ht_purge (ident_hash, maybe_delete_ident, NULL); + ht_purge (ident_hash_extra, + [] (cpp_reader *, hashnode h, const void *) -> int + { + return !ggc_marked_p (h); + }, nullptr); } /* Pointer-walking routine for strings (not very interesting, since @@ -251,7 +274,19 @@ struct GTY(()) string_pool_data { unsigned int nelements; }; +struct GTY (()) string_pool_data_extra +{ + ht_identifier_ptr * + GTY((length ("%h.nslots"), + nested_ptr (cpp_hashnode_extra, "%h ? HT_NODE (%h) : nullptr", + "(cpp_hashnode_extra *)%h"))) + entries; + unsigned int nslots; + unsigned int nelements; +}; + static GTY(()) struct string_pool_data * spd; +static GTY(()) struct string_pool_data_extra *spd2; /* Save the stringpool data in SPD. */ @@ -264,6 +299,13 @@ gt_pch_save_stringpool (void) spd->entries = ggc_vec_alloc<ht_identifier_ptr> (spd->nslots); memcpy (spd->entries, ident_hash->entries, spd->nslots * sizeof (spd->entries[0])); + + spd2 = ggc_alloc<string_pool_data_extra> (); + spd2->nslots = ident_hash_extra->nslots; + spd2->nelements = ident_hash_extra->nelements; + spd2->entries = ggc_vec_alloc<ht_identifier_ptr> (spd2->nslots); + memcpy (spd2->entries, ident_hash_extra->entries, + spd2->nslots * sizeof (spd2->entries[0])); } /* Return the stringpool to its state before gt_pch_save_stringpool @@ -281,7 +323,10 @@ void gt_pch_restore_stringpool (void) { ht_load (ident_hash, spd->entries, spd->nslots, spd->nelements, false); + ht_load (ident_hash_extra, spd2->entries, spd2->nslots, spd2->nelements, + false); spd = NULL; + spd2 = NULL; } #include "gt-stringpool.h" |