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/* Copyright (C) 1989, 1995, 1999 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: ialloc.h,v 1.6 2004/08/04 19:36:12 stefan Exp $ */
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/* Interface to Ghostscript interpreter memory allocator */
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#ifndef ialloc_INCLUDED
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# define ialloc_INCLUDED
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#include "imemory.h"
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/*
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* Define the interpreter memory manager instance.
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*/
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#define gs_imemory (i_ctx_p->memory)
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#define idmemory (&gs_imemory)
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#define iimemory (gs_imemory.current)
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#define imemory ((gs_memory_t *)iimemory)
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#define iimemory_local (gs_imemory.space_local)
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#define imemory_local ((gs_memory_t *)iimemory_local)
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#define iimemory_global (gs_imemory.space_global)
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#define imemory_global ((gs_memory_t *)iimemory_global)
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#define iimemory_system (gs_imemory.space_system)
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#define imemory_system ((gs_memory_t *)iimemory_system)
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/*
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* Aliases for invoking the standard allocator interface.
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*/
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#define ialloc_bytes(nbytes, cname)\
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gs_alloc_bytes(imemory, nbytes, cname)
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#define ialloc_struct(typ, pstype, cname)\
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gs_alloc_struct(imemory, typ, pstype, cname)
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#define ialloc_byte_array(nelts, esize, cname)\
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gs_alloc_byte_array(imemory, nelts, esize, cname)
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#define ialloc_struct_array(nelts, typ, pstype, cname)\
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gs_alloc_struct_array(imemory, nelts, typ, pstype, cname)
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#define ifree_object(data, cname)\
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gs_free_object(imemory, data, cname)
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#define ifree_const_object(data, cname)\
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gs_free_const_object(imemory, data, cname)
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#define ialloc_string(nbytes, cname)\
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gs_alloc_string(imemory, nbytes, cname)
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#define iresize_string(data, oldn, newn, cname)\
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gs_resize_string(imemory, data, oldn, newn, cname)
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#define ifree_string(data, nbytes, cname)\
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gs_free_string(imemory, data, nbytes, cname)
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#define ifree_const_string(data, nbytes, cname)\
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gs_free_const_string(imemory, data, nbytes, cname)
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/* Initialize the interpreter's allocator. */
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int ialloc_init(gs_dual_memory_t *, gs_memory_t *, uint, bool);
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/* ------ Internal routines ------ */
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/* Reset the request values that identify the cause of a GC. */
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void ialloc_reset_requested(gs_dual_memory_t *);
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/* Validate the contents of memory. */
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void ialloc_validate_spaces(const gs_dual_memory_t *);
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#define ivalidate_spaces() ialloc_validate_spaces(idmemory)
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/*
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* Local/global VM management.
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*/
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/* Get the space attribute of the current allocator. */
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#define ialloc_space(dmem) ((dmem)->current_space)
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#define icurrent_space ialloc_space(idmemory)
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uint imemory_space(const gs_ref_memory_t *);
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/* Select the allocation space. */
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void ialloc_set_space(gs_dual_memory_t *, uint);
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/* Get the l_new attribute of an allocator. */
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uint imemory_new_mask(const gs_ref_memory_t *);
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/* Get the save level of an allocator. */
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int imemory_save_level(const gs_ref_memory_t *);
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/*
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* Ref-related facilities.
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*/
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#ifdef r_type /* i.e., we know about refs */
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/* Allocate and free ref arrays. */
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#define ialloc_ref_array(paref, attrs, nrefs, cname)\
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gs_alloc_ref_array(iimemory, paref, attrs, nrefs, cname)
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#define iresize_ref_array(paref, nrefs, cname)\
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gs_resize_ref_array(iimemory, paref, nrefs, cname)
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#define ifree_ref_array(paref, cname)\
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gs_free_ref_array(iimemory, paref, cname)
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/* Allocate a string ref. */
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#define ialloc_string_ref(psref, attrs, nbytes, cname)\
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gs_alloc_string_ref(iimemory, psref, attrs, nbytes, cname)
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/* Make a ref for a newly allocated structure. */
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#define make_istruct(pref,attrs,ptr)\
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make_struct(pref, (attrs) | icurrent_space, ptr)
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#define make_istruct_new(pref,attrs,ptr)\
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make_struct_new(pref, (attrs) | icurrent_space, ptr)
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#define make_iastruct(pref,attrs,ptr)\
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make_astruct(pref, (attrs) | icurrent_space, ptr)
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#define make_iastruct_new(pref,attrs,ptr)\
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make_astruct_new(pref, (attrs) | icurrent_space, ptr)
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#endif /* ifdef r_type */
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#endif /* ialloc_INCLUDED */
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