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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2004-2009. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
/*
* Description:
*
* Author: Rickard Green
*/
#ifndef ERL_MEMORY_TRACE_PROTOCOL_H__
#define ERL_MEMORY_TRACE_PROTOCOL_H__
/*
* Increase ERTS_MT_MAJOR_VSN and set ERTS_MT_MINOR_VSN to 0
* when backward incompatible changes are made in the protocol.
*
* Increase ERTS_MT_MINOR_VSN when backward compatible changes are
* made in the protocol.
*/
#define ERTS_MT_MAJOR_VSN (2)
#define ERTS_MT_MINOR_VSN (0)
/* Trace flags */
#define ERTS_MT_64_BIT_FLAG (1 << 0)
#define ERTS_MT_CRR_INFO (1 << 1)
#define ERTS_MT_SEG_CRR_INFO (1 << 2)
/* Header flags */
/* Allocator flags */
#define ERTS_MT_ALLCTR_USD_CRR_INFO (1 << 0)
/* Block type flags */
/* Entry tags */
#define ERTS_MT_V1_ALLOCATOR_TAG (1)
#define ERTS_MT_V1_BLOCK_TYPE_TAG (2)
#define ERTS_MT_V1_ALLOC_TAG (3)
#define ERTS_MT_V1_REALLOC_NPB_TAG (4)
#define ERTS_MT_V1_REALLOC_MV_TAG (5)
#define ERTS_MT_V1_REALLOC_NMV_TAG (6)
#define ERTS_MT_V1_FREE_TAG (7)
#define ERTS_MT_V1_TIME_INC_TAG (8)
#define ERTS_MT_V1_STOP_TAG (9)
#define ERTS_MT_V1_EXIT_TAG (10)
#define ERTS_MT_END_OF_HDR_TAG (0)
#define ERTS_MT_ALLOCATOR_HDR_TAG (1)
#define ERTS_MT_BLOCK_TYPE_HDR_TAG (2)
#define ERTS_MT_EXIT_BDY_TAG (0)
#define ERTS_MT_STOP_BDY_TAG (1)
#define ERTS_MT_ALLOC_BDY_TAG (2)
#define ERTS_MT_REALLOC_BDY_TAG (3)
#define ERTS_MT_FREE_BDY_TAG (4)
#define ERTS_MT_CRR_ALLOC_BDY_TAG (5)
#define ERTS_MT_CRR_REALLOC_BDY_TAG (6)
#define ERTS_MT_CRR_FREE_BDY_TAG (7)
#define ERTS_MT_TIME_INC_BDY_TAG (8)
#define ERTS_MT_X_BDY_TAG (9)
/* X subtags */
#if 0
#define ERTS_MT_X_ _BDY_TAG (0)
#endif
#define ERTS_MT_START_WORD (0xfff04711)
/* Entry header fields */
#define ERTS_MT_UI8_MSB_EHDR_FLD_SZ (0)
#define ERTS_MT_UI16_MSB_EHDR_FLD_SZ (1)
#define ERTS_MT_UI32_MSB_EHDR_FLD_SZ (2)
#define ERTS_MT_UI64_MSB_EHDR_FLD_SZ (3)
#define ERTS_MT_UI_MSB_EHDR_FLD_SZ ERTS_MT_UI64_MSB_EHDR_FLD_SZ
#define ERTS_MT_TAG_EHDR_FLD_SZ (4)
#define ERTS_MT_UI8_MSB_EHDR_FLD_MSK ((1 << ERTS_MT_UI8_MSB_EHDR_FLD_SZ)-1)
#define ERTS_MT_UI16_MSB_EHDR_FLD_MSK ((1 << ERTS_MT_UI16_MSB_EHDR_FLD_SZ)-1)
#define ERTS_MT_UI32_MSB_EHDR_FLD_MSK ((1 << ERTS_MT_UI32_MSB_EHDR_FLD_SZ)-1)
#define ERTS_MT_UI64_MSB_EHDR_FLD_MSK ((1 << ERTS_MT_UI64_MSB_EHDR_FLD_SZ)-1)
#define ERTS_MT_UI_MSB_EHDR_FLD_MSK ERTS_MT_UI64_MSB_EHDR_FLD_MSK
#define ERTS_MT_TAG_EHDR_FLD_MSK ((1 << ERTS_MT_TAG_EHDR_FLD_SZ)-1)
/* Time increment word */
#define ERTS_MT_TIME_INC_SECS_SHIFT 20
#define ERTS_MT_TIME_INC_USECS_SHIFT 0
#define ERTS_MT_TIME_INC_SECS_MASK ((1 << 12) - 1)
#define ERTS_MT_TIME_INC_USECS_MASK ((1 << 20) - 1)
#define ERTS_MT_MAX_V1_HEADER_ENTRY_SIZE (2 + 2 + 1 + 255 + 2)
/* Largest v1 header entry is block type entry (ERTS_MT_V1_BLOCK_TYPE_TAG) */
#define ERTS_MT_MAX_V1_BODY_ENTRY_SIZE (2 + 8 + 8 + 8 + 4)
/* Largest body entry is realloc moved entry (ERTS_MT_V1_REALLOC_MV_TAG) */
#define ERTS_MT_MAX_HEADER_ENTRY_SIZE (1 + 2 + 2 + 1 + 255 + 2)
/* Largest header entry is block type entry (ERTS_MT_BLOCK_TYPE_TAG) */
#define ERTS_MT_MAX_BODY_ENTRY_SIZE ERTS_MT_MAX_CRR_REALLOC_SIZE
/* Largest body entry is carrier realloc entry (ERTS_MT_CRR_REALLOC_BDY_TAG) */
/*
*
* Entry header:
*
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | ... |MSB2|MSB1|
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*
* Time inc entry field:
*
* 31 23 0
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Seconds | Micro Seconds |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
#define ERTS_MT_MAX_CRR_ALLOC_SIZE (1 + 2 + 2 + 2 + 8 + 8 + 4)
/*
* ERTS_MT_CRR_ALLOC_BDY_TAG:
* N 1 2 3 4 5
* MSB 1-0 1-0 7|3-0 7|3-0 3-0
* SZ 1 2 2-1 2-1 8|4-1 8|4-1 4-1
* UIT UI8 UI16 UI16 UI16 UI64|UI32 UI64|UI32 UI32
* +---+----+...--+...--+...-------+...-------+...-------+
* |Tag| Hdr|CType| Type| Out ptr | In size | Time inc |
* +---+----+...--+...--+...-------+...-------+...-------+
*
*/
#define ERTS_MT_MAX_ALLOC_SIZE (1 + 2 + 2 + 8 + 8 + 4)
/*
* ERTS_MT_ALLOC_BDY_TAG:
* N 1 2 3 4
* MSB 1-0 7|3-0 7|3-0 3-0
* SZ 1 2 2-1 8|4-1 8|4-1 4-1
* UIT UI8 UI16 UI16 UI64|UI32 UI64|UI32 UI32
* +---+----+...--+...-------+...-------+...-------+
* |Tag| Hdr| Type| Out ptr | In size | Time inc |
* +---+----+...--+...-------+...-------+...-------+
*
*/
#define ERTS_MT_MAX_CRR_REALLOC_SIZE (1 + 2 + 2 + 2 + 8 + 8 + 8 + 4)
/*
* ERTS_MT_CRR_REALLOC_BDY_TAG:
* N 1 2 3 4 5 6
* MSB 1-0 1-0 7|3-0 7|3-0 7|3-0 3-0
* SZ 1 2 2-1 2-1 8|4-1 8|4-1 8|4-1 4-1
* UIT UI8 UI16 UI16 UI16 UI64|UI32 UI64|UI32 UI64|UI32 UI32
* +---+----+...--+...--+...-------+...-------+...-------+...-------+
* |Tag| Hdr|CType| Type| Out ptr | In ptr | In size | Time inc |
* +---+----+...--+...--+...-------+...-------+...-------+...-------+
*
*/
#define ERTS_MT_MAX_REALLOC_SIZE (1 + 2 + 2 + 8 + 8 + 8 + 4)
/*
* ERTS_MT_REALLOC_BDY_TAG:
* N 1 2 3 4 5
* MSB 1-0 7|3-0 7|3-0 7|3-0 3-0
* SZ 1 2 2-1 8|4-1 8|4-1 8|4-1 4-1
* UIT UI8 UI16 UI16 UI64|UI32 UI64|UI32 UI64|UI32 UI32
* +---+----+...--+...-------+...-------+...-------+...-------+
* |Tag| Hdr| Type| Out ptr | In ptr | In size | Time inc |
* +---+----+...--+...-------+...-------+...-------+...-------+
*
*/
#define ERTS_MT_MAX_CRR_FREE_SIZE (1 + 2 + 2 + 2 + 8 + 4)
/*
* ERTS_MT_CRR_FREE_BDY_TAG:
* N 1 2 3 4
* MSB 1-0 1-0 7|3-0 3-0
* SZ 1 2 2-1 2-1 8|4-1 4-1
* UIT UI8 UI16 UI16 UI16 UI64|UI32 UI32
* +---+----+...--+...--+...-------+...-------+
* |Tag| Hdr|CType| Type| In ptr | Time inc |
* +---+----+...--+...--+...-------+...-------+
*
*/
#define ERTS_MT_MAX_FREE_SIZE (1 + 2 + 2 + 8 + 4)
/*
* ERTS_MT_FREE_BDY_TAG:
* N 1 2 3
* MSB 1-0 7|3-0 3-0
* SZ 1 2 2-1 8|4-1 4-1
* UIT UI8 UI16 UI16 UI64|UI32 UI32
* +---+----+...--+...-------+...-------+
* |Tag| Hdr| Type| In ptr | Time inc |
* +---+----+...--+...-------+...-------+
*
*/
/*
* ERTS_MT_X_BDY_TAG:
* N
* MSB
* SZ 1 2 1
* UIT UI8 UI16 UI8
* +---+-----+------+... ...+
* |Tag|TotSz|SubTag| |
* +---+-----+------+... ...+
*
* ^ ^
* | |
* +------ TotSz bytes -----+
*
* X for extension
*
* * Tag equals ERTS_MT_X_BDY_TAG.
* * TotSz contains the total size of the entry.
* * SubTag is used to distinguish between different sub entries
* passed in X entries.
*
*/
#endif /* #ifndef ERL_MEMORY_TRACE_PROTOCOL_H__ */
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