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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2004-2011. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
#ifndef _ERL_DEBUG_H_
#define _ERL_DEBUG_H_
#ifdef DEBUG
#include "erl_term.h"
#ifdef HIPE
#include "hipe_debug.h"
#endif
/* Heap areas will be filled with this value when they are deallocated
* after a garbage collection. This value used to be 0xff, but that is
* an immediate and might not crash the system if it is encountered.
* The value is now 0x01, the cons of death.
*/
#define DEBUG_BAD_BYTE 0x01
#define DEBUG_BAD_WORD 0x01010101
/*
* VERBOSE. Use the -v option to enable the different categories.
*/
#define VERBOSE(flag, format) (flag & verbose ? erts_printf format : 0)
#define DEBUG_DEFAULT 0x0000 /* No flags are set per default */
#define DEBUG_SYSTEM 0x0001 /* Misc system info at startup and end */
#define DEBUG_PRIVATE_GC 0x0002 /* GC of private heaps */
#define DEBUG_ALLOCATION 0x0004 /* HAlloc. To find holes in the heap */
#define DEBUG_MESSAGES 0x0008 /* Message passing */
#define DEBUG_THREADS 0x0010 /* Thread-related stuff */
#define DEBUG_PROCESSES 0x0020 /* Process creation and removal */
#define DEBUG_MEMORY 0x0040 /* Display results of memory checks */
extern Uint32 verbose;
void upp(byte*, size_t);
void pat(Eterm);
void pinfo(void);
void pp(Process*);
void ppi(Eterm);
void pba(Process*, int);
void td(Eterm);
void ps(Process*, Eterm*);
#undef ERTS_OFFHEAP_DEBUG
#define ERTS_OFFHEAP_DEBUG
#else /* Non-debug mode */
#define VERBOSE(flag,format)
#endif /* DEBUG */
#ifdef ERTS_OFFHEAP_DEBUG
#define ERTS_CHK_OFFHEAP(P) erts_check_off_heap((P))
#define ERTS_CHK_OFFHEAP2(P, HT) erts_check_off_heap2((P), (HT))
void erts_check_off_heap(Process *);
void erts_check_off_heap2(Process *, Eterm *);
#else
#define ERTS_CHK_OFFHEAP(P)
#define ERTS_CHK_OFFHEAP2(P, HT)
#endif
/*
* These functions can be handy when developing, and perhaps useful
* even outside debugging.
*/
extern void erts_check_off_heap(Process *p);
extern void erts_check_stack(Process *p);
extern void erts_check_heap(Process *p);
extern void erts_check_memory(Process *p, Eterm *start, Eterm *end);
extern void verify_process(Process *p);
extern void print_tagged_memory(Eterm *start, Eterm *end);
extern void print_untagged_memory(Eterm *start, Eterm *end);
extern void print_memory(Process *p);
extern void print_memory_info(Process *p);
#if defined(DEBUG) && !HEAP_ON_C_STACK
extern Eterm *erts_debug_allocate_tmp_heap(int, Process *);
extern void erts_debug_use_tmp_heap(int, Process *);
extern void erts_debug_unuse_tmp_heap(int, Process *);
#endif
#endif /* _ERL_DEBUG_H_ */
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