1 files changed, 102 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_debug.h b/erts/emulator/beam/erl_debug.h
new file mode 100644
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+++ b/erts/emulator/beam/erl_debug.h
@@ -0,0 +1,102 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 2004-2009. 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
+
+#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_HYBRID_GC    0x0004    /* GC of the message area               */
+#define DEBUG_ALLOCATION   0x0008    /* HAlloc. To find holes in the heap    */
+#define DEBUG_MESSAGES     0x0010    /* Message passing                      */
+#define DEBUG_THREADS      0x0020    /* Thread-related stuff                 */
+#define DEBUG_PROCESSES    0x0040    /* Process creation and removal         */
+#define DEBUG_MEMORY       0x0080    /* Display results of memory checks     */
+
+extern Uint32 verbose;
+
+void upp(byte*, int);
+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 verify_everything(void);
+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);
+
+#ifdef HYBRID
+extern void print_ma_info(void);
+extern void print_message_area(void);
+extern void check_message_area(void);
+#endif
+
+#endif /* _ERL_DEBUG_H_ */