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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ggc-internal.h] - Rev 695
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/* Garbage collection for the GNU compiler. Internal definitions for ggc-*.c and stringpool.c. Copyright (C) 2009, 2010 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ #ifndef GCC_GGC_INTERNAL_H #define GCC_GGC_INTERNAL_H #include "ggc.h" /* Call ggc_set_mark on all the roots. */ extern void ggc_mark_roots (void); /* Stringpool. */ /* Mark the entries in the string pool. */ extern void ggc_mark_stringpool (void); /* Purge the entries in the string pool. */ extern void ggc_purge_stringpool (void); /* Save and restore the string pool entries for PCH. */ extern void gt_pch_save_stringpool (void); extern void gt_pch_fixup_stringpool (void); extern void gt_pch_restore_stringpool (void); /* PCH and GGC handling for strings, mostly trivial. */ extern void gt_pch_p_S (void *, void *, gt_pointer_operator, void *); /* PCH. */ struct ggc_pch_data; /* Return a new ggc_pch_data structure. */ extern struct ggc_pch_data *init_ggc_pch (void); /* The second parameter and third parameters give the address and size of an object. Update the ggc_pch_data structure with as much of that information as is necessary. The bool argument should be true if the object is a string. */ extern void ggc_pch_count_object (struct ggc_pch_data *, void *, size_t, bool, enum gt_types_enum); /* Return the total size of the data to be written to hold all the objects previously passed to ggc_pch_count_object. */ extern size_t ggc_pch_total_size (struct ggc_pch_data *); /* The objects, when read, will most likely be at the address in the second parameter. */ extern void ggc_pch_this_base (struct ggc_pch_data *, void *); /* Assuming that the objects really do end up at the address passed to ggc_pch_this_base, return the address of this object. The bool argument should be true if the object is a string. */ extern char *ggc_pch_alloc_object (struct ggc_pch_data *, void *, size_t, bool, enum gt_types_enum); /* Write out any initial information required. */ extern void ggc_pch_prepare_write (struct ggc_pch_data *, FILE *); /* Write out this object, including any padding. The last argument should be true if the object is a string. */ extern void ggc_pch_write_object (struct ggc_pch_data *, FILE *, void *, void *, size_t, bool); /* All objects have been written, write out any final information required. */ extern void ggc_pch_finish (struct ggc_pch_data *, FILE *); /* A PCH file has just been read in at the address specified second parameter. Set up the GC implementation for the new objects. */ extern void ggc_pch_read (FILE *, void *); /* Allocation and collection. */ /* When set, ggc_collect will do collection. */ extern bool ggc_force_collect; extern void ggc_record_overhead (size_t, size_t, void * MEM_STAT_DECL); extern void ggc_free_overhead (void *); extern void ggc_prune_overhead_list (void); /* Return the number of bytes allocated at the indicated address. */ extern size_t ggc_get_size (const void *); /* Statistics. */ /* This structure contains the statistics common to all collectors. Particular collectors can extend this structure. */ typedef struct ggc_statistics { /* At present, we don't really gather any interesting statistics. */ int unused; } ggc_statistics; /* Used by the various collectors to gather and print statistics that do not depend on the collector in use. */ extern void ggc_print_common_statistics (FILE *, ggc_statistics *); #endif
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