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| author | Tom Tromey <tromey@redhat.com> | 2008-05-21 15:00:59 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2008-05-21 15:00:59 +0000 |
| commit | dae4174e53945378f6878632e75e4c0f7a7679c3 (patch) | |
| tree | 06f6431108f6797065ea5bc80a375513068f17a5 /gcc/ggc-common.c | |
| parent | ccbdd3bc4e25f642b37694b277af2fccf49496c6 (diff) | |
| download | gcc-dae4174e53945378f6878632e75e4c0f7a7679c3.zip gcc-dae4174e53945378f6878632e75e4c0f7a7679c3.tar.gz gcc-dae4174e53945378f6878632e75e4c0f7a7679c3.tar.bz2 | |
symtab.h (HT_ALLOCED): Remove.
libcpp
* include/symtab.h (HT_ALLOCED): Remove.
(ht_purge): Declare.
* symtab.c (DELETED): New define.
(ht_lookup): Update comment.
(ht_lookup_with_hash): Handle deleted entries. Remove HT_ALLOCED
code. Use subobject allocator for strings, if it exists.
(ht_expand): Handle deleted entries.
(ht_forall): Likewise.
(ht_purge): New function.
(ht_dump_statistics): Print deletion statistics.
gcc
* ggc-zone.c (lookup_page_table_if_allocated): New function.
(zone_find_object_offset): Likewise.
(gt_ggc_m_S): Likewise.
(highest_bit): Likewise.
* ggc-page.c (gt_ggc_m_S): New function.
* stringpool.c (string_stack): Remove.
(init_stringpool): Update.
(ggc_alloc_string): Use ggc_alloc.
(maybe_delete_ident): New function.
(ggc_purge_stringpool): Likewise.
(gt_ggc_m_S): Remove.
* ggc-common.c (ggc_protect_identifiers): New global.
(ggc_mark_roots): Call ggc_purge_stringpool. Use
ggc_protect_identifiers.
* ggc.h (ggc_protect_identifiers): Declare.
(gt_ggc_m_S): Update.
(ggc_purge_stringpool): Declare.
* toplev.c (compile_file): Set and reset ggc_protect_identifiers.
* gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
special case.
(write_root): Cast gt_ggc_m_S to gt_pointer_walker.
gcc/cp
* mangle.c (save_partially_mangled_name): Remove.
(restore_partially_mangled_name): Likewise.
(write_encoding): Update.
(write_unqualified_name): Likewise.
(start_mangling): Always use name_obstack. Remove 'ident_p'
argument.
(get_identifier_nocopy): Remove.
(finish_mangling_internal): Rename from finish_mangling.
(finish_mangling): New function.
(finish_mangling_get_identifier): Likewise.
(partially_mangled_name, partially_mangled_name_len): Remove.
(mangle_decl_string): Change return type. Update.
(mangle_decl, mangle_type_string, mangle_special_for_type,
mangle_ctor_vtbl_for_type, mangle_thunk, mangle_guard_variable,
mangle_ref_init_variable): Update.
From-SVN: r135720
Diffstat (limited to 'gcc/ggc-common.c')
| -rw-r--r-- | gcc/ggc-common.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ggc-common.c b/gcc/ggc-common.c index 8e67f76..17c1f50 100644 --- a/gcc/ggc-common.c +++ b/gcc/ggc-common.c @@ -1,5 +1,5 @@ /* Simple garbage collection for the GNU compiler. - Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 + Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. This file is part of GCC. @@ -50,6 +50,9 @@ along with GCC; see the file COPYING3. If not see /* When set, ggc_collect will do collection. */ bool ggc_force_collect; +/* When true, protect the contents of the identifier hash table. */ +bool ggc_protect_identifiers = true; + /* Statistics about the allocation. */ static ggc_statistics *ggc_stats; @@ -103,7 +106,8 @@ ggc_mark_roots (void) for (i = 0; i < rti->nelt; i++) (*rti->cb)(*(void **)((char *)rti->base + rti->stride * i)); - ggc_mark_stringpool (); + if (ggc_protect_identifiers) + ggc_mark_stringpool (); /* Now scan all hash tables that have objects which are to be deleted if they are not already marked. */ @@ -115,6 +119,9 @@ ggc_mark_roots (void) htab_traverse_noresize (*cti->base, ggc_htab_delete, (void *) cti); ggc_set_mark ((*cti->base)->entries); } + + if (! ggc_protect_identifiers) + ggc_purge_stringpool (); } /* Allocate a block of memory, then clear it. */ |