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yap-6.3/H/YapHeap.h
Vitor Santos Costa 18c74933af full dir
2018-06-18 12:16:36 +01:00

270 lines
5.8 KiB
C
Executable File

/*************************************************************************
* *
* YAP Prolog %W% %G% *
* Yap Prolog was developed at NCCUP - Universidade do Porto *
* *
* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
* *
**************************************************************************
* *
* File: YapHeap.h *
* mods: *
* comments: Heap Init Structure *
* version: $Id: Heap.h,v 1.136 2008-08-08 14:05:34 vsc Exp $ *
*************************************************************************/
/* information that can be stored in Code Space */
#ifndef HEAP_H
#define HEAP_H 1
#include "Atoms.h"
#include "Yap.h"
#if LOW_PROF
#include <stdio.h>
#endif
typedef int (*SWI_PutFunction)(int, void *);
typedef int (*SWI_GetFunction)(void *);
typedef int (*SWI_PutWideFunction)(int, void *);
typedef int (*SWI_GetWideFunction)(void *);
typedef int (*SWI_CloseFunction)(void *);
typedef int (*SWI_FlushFunction)(void *);
typedef int (*SWI_PLGetStreamFunction)(void *);
typedef int (*SWI_PLGetStreamPositionFunction)(void *);
#ifndef INT_KEYS_DEFAULT_SIZE
#define INT_KEYS_DEFAULT_SIZE 256
#endif
#if USE_DL_MALLOC
#define MAX_DLMALLOC_HOLES 32
typedef struct memory_hole {
ADDR start;
ADDR end;
} memory_hole_type;
#endif // USE_DL_MALLOC
typedef struct swi_reverse_hash {
ADDR key;
Int pos;
} swi_rev_hash;
//#define GC_MAVARS_HASH_SIZE 512
//
// typedef struct gc_ma_hash_entry_struct {
// UInt timestmp;
//#ifdef TABLING
// tr_fr_ptr loc;
// struct gc_ma_hash_entry_struct *more;
//#endif
// CELL* addr;
// struct gc_ma_hash_entry_struct *next;
//} gc_ma_hash_entry;
typedef void (*HaltHookFunc)(int, void *);
typedef struct halt_hook {
void *environment;
HaltHookFunc hook;
struct halt_hook *next;
} halt_hook_entry;
int Yap_HaltRegisterHook(HaltHookFunc, void *);
typedef struct atom_hash_entry {
#if defined(YAPOR) || defined(THREADS)
rwlock_t AERWLock;
#endif
Atom Entry;
} AtomHashEntry;
// typedef struct scratch_block_struct {
// char *ptr;
// UInt sz, msz;
//} scratch_block;
typedef struct record_list {
/* a list of dbterms associated with a clause */
struct DB_TERM *dbrecord;
struct record_list *next_rec, *prev_rec;
} DBRecordList;
/* SWI Emulation */
#define SWI_BUF_SIZE 512
#define SWI_TMP_BUF_SIZE 2 * SWI_BUF_SIZE
#define SWI_BUF_RINGS 16
/* ricardo
#ifdef THREADS
typedef struct thandle {
int in_use;
int zombie;
UInt ssize;
UInt tsize;
UInt sysize;
void *stack_address;
Term tdetach;
Term cmod, texit_mod;
struct DB_TERM *tgoal, *texit;
int id;
int ret;
REGSTORE *default_yaam_regs;
REGSTORE *current_yaam_regs;
struct pred_entry *local_preds;
pthread_t pthread_handle;
int ref_count;
#ifdef LOW_LEVEL_TRACER
long long int thread_inst_count;
int been_here1;
int been_here2;
#endif
#ifdef DEBUG
int been_here;
#endif
pthread_mutex_t tlock;
pthread_mutex_t tlock_status;
#if HAVE_GETRUSAGE||defined(_WIN32)
struct timeval *start_of_timesp;
struct timeval *last_timep;
#endif
} yap_thandle;
#endif */
// typedef int (*Agc_hook)(Atom);
/*******************
this is the data base: everything here should be possible to restore
********************/
#if __INIT_C__ || defined(MSC_VER)
#define EXTERNAL
#else
#define EXTERNAL extern
#endif
#if YAPOR
typedef struct various_codes {
/* memory allocation and management */
special_functors funcs;
#include "struct.h"
} all_heap_codes;
#include "hglobals.h"
#include "dhstruct.h"
#include "dglobals.h"
#else
typedef struct various_codes {
/* memory allocation and management */
special_functors funcs;
} all_heap_codes;
#include "tatoms.h"
#include "h0struct.h"
#include "h0globals.h"
#endif
#include "hlocals.h"
#include "dlocals.h"
/* ricardo
#if defined(YAPOR_COPY) || defined(YAPOR_COW) || defined(YAPOR_SBA)
extern struct global_data *Yap_global;
extern long Yap_worker_area_size;
#else
extern struct global_data Yap_Global;
#define Yap_global (&Yap_Global)
#endif
#if defined(THREADS)
extern struct worker_local *Yap_local[MAX_THREADS];
#define REMOTE(wid) (Yap_local[wid])
#elif defined(YAPOR)
extern struct worker_local *Yap_local;
#define REMOTE(wid) (Yap_local + wid)
#else
extern struct worker_local Yap_local;
#define REMOTE(wid) (&Yap_local)
#endif
*/
#ifdef USE_SYSTEM_MALLOC
extern struct various_codes *Yap_heap_regs;
#else
#define Yap_heap_regs ((all_heap_codes *)HEAP_INIT_BASE)
#endif
/**
* gc-P: how to start-up the grbage collector in C-code
*/
static inline yamop *gc_P(yamop *p, yamop *cp) {
yamop *n= (p && p->opc == EXECUTE_CPRED_OPCODE ? cp : p);
if (p->opc == Yap_opcode(_try_c) ||
p->opc == Yap_opcode(_try_userc) ||
p->opc == Yap_opcode(_retry_c) ||
p->opc == Yap_opcode(_retry_userc))
return cp;
return n;
}
/**
Yap_CurrentModule: access the current module for looking
up predicates
*/
#define Yap_CurrentModule() Yap_CurrentModule__(PASS_REGS1)
INLINE_ONLY Term Yap_CurrentModule__(USES_REGS1);
INLINE_ONLY Term Yap_CurrentModule__(USES_REGS1) {
if (CurrentModule)
return CurrentModule;
return TermProlog;
}
/*******************
these are the global variables: they need not be restored...
********************/
#define UPDATE_MODE_IMMEDIATE 0
#define UPDATE_MODE_LOGICAL 1
#define UPDATE_MODE_LOGICAL_ASSERT 2
/* initially allow for files with up to 1024 predicates. This number
is extended whenever needed */
#define InitialConsultCapacity 1024
#if (defined(USE_SYSTEM_MALLOC) && HAVE_MALLINFO) || USE_DL_MALLOC
extern UInt Yap_givemallinfo(void);
#endif
extern ADDR Yap_ExpandPreAllocCodeSpace(UInt, void *, int);
#define Yap_ReleasePreAllocCodeSpace(x)
extern ADDR Yap_InitPreAllocCodeSpace(int);
#include "inline-only.h"
INLINE_ONLY ADDR Yap_PreAllocCodeSpace(void);
INLINE_ONLY ADDR Yap_PreAllocCodeSpace(void) {
CACHE_REGS
return AuxBase;
}
#endif /* HEAP_H */