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19bcfcbab4
memory.c: Now memory diagnostics are printed on stderr. wrapper.mod, memory.c: Convert whens to cases and ors to else ifs. other files: copyright notices.
65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
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** Copyright (C) 1995 University of Melbourne.
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** This file may only be copied under the terms of the GNU Library General
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** Public License - see the file COPYING.LIB in the Mercury distribution.
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*/
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#ifndef MEMORY_H
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#define MEMORY_H
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#include "regs.h"
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/* these cannot be changed without lots of modifications elsewhere */
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#define MAX_REAL_REG 32 /* r1 .. r32 */
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#define NUM_SPECIAL_REG 5 /* succip, sp, hp, maxfr, curfr */
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/* this can be changed at will */
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#define MAX_VIRTUAL_REG 1024
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/* allocate enough fake_regs to hold both the special regs and all
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the virtual registers */
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#define MAX_FAKE_REG (NUM_SPECIAL_REG + MAX_VIRTUAL_REG)
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/* mr0 .. mr36, mr(37) ... mr(1028) */
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/* reserve MAX_FAKE_REG virtual regs, numbered from 0 to MAX_FAKE_REG-1 */
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extern Word fake_reg[MAX_FAKE_REG];
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/* used to lookup the fake_reg for a given real reg */
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extern Word virtual_reg_map[MAX_REAL_REG];
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/* used for counting register usage */
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extern Word num_uses[MAX_RN];
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/* beginning of allocated areas */
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extern Word *heap;
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extern Word *detstack;
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extern Word *nondstack;
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/* beginning of used areas */
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extern Word *heapmin;
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extern Word *detstackmin;
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extern Word *nondstackmin;
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/* highest locations actually used */
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extern Word *heapmax;
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extern Word *detstackmax;
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extern Word *nondstackmax;
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/* end of allocated areas */
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extern Word *heapend;
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extern Word *detstackend;
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extern Word *nondstackend;
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/* beginning of redzones */
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extern char * heap_zone;
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extern char * detstack_zone;
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extern char * nondstack_zone;
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extern int heap_zone_left;
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extern int detstack_zone_left;
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extern int nondstack_zone_left;
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extern void init_memory(void);
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#endif
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