250 lines
7.6 KiB
C
250 lines
7.6 KiB
C
/*
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* Copyright (c) 2001-3 Tony Bybell.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef DEFS_LXT_H
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#define DEFS_LXT_H
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <errno.h>
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#include <unistd.h>
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#include <zlib.h>
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#include <bzlib.h>
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#if defined _MSC_VER || defined __MINGW32__
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#define fseeko fseek
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#define ftello ftell
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#endif
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typedef struct dslxt_tree_node dslxt_Tree;
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struct dslxt_tree_node {
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dslxt_Tree * left, * right;
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char *item;
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unsigned int val;
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};
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#define LT_HDRID (0x0138)
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#define LT_VERSION (0x0004)
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#define LT_TRLID (0xB4)
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#define LT_CLKPACK (4)
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#define LT_CLKPACK_M (2)
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#define LT_MVL_2 (1<<0)
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#define LT_MVL_4 (1<<1)
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#define LT_MVL_9 (1<<2)
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#define LT_MINDICTWIDTH (16)
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enum lt_zmode_types { LT_ZMODE_NONE, LT_ZMODE_GZIP, LT_ZMODE_BZIP2 };
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typedef unsigned long long lxttime_t;
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#define ULLDescriptor(x) x##ULL
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struct lt_timetrail
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{
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struct lt_timetrail *next;
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lxttime_t timeval;
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unsigned int position;
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};
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#define LT_SYMPRIME 65519
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#define LT_SECTION_END (0)
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#define LT_SECTION_CHG (1)
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#define LT_SECTION_SYNC_TABLE (2)
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#define LT_SECTION_FACNAME (3)
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#define LT_SECTION_FACNAME_GEOMETRY (4)
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#define LT_SECTION_TIMESCALE (5)
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#define LT_SECTION_TIME_TABLE (6)
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#define LT_SECTION_INITIAL_VALUE (7)
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#define LT_SECTION_DOUBLE_TEST (8)
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#define LT_SECTION_TIME_TABLE64 (9)
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#define LT_SECTION_ZFACNAME_PREDEC_SIZE (10)
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#define LT_SECTION_ZFACNAME_SIZE (11)
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#define LT_SECTION_ZFACNAME_GEOMETRY_SIZE (12)
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#define LT_SECTION_ZSYNC_SIZE (13)
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#define LT_SECTION_ZTIME_TABLE_SIZE (14)
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#define LT_SECTION_ZCHG_PREDEC_SIZE (15)
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#define LT_SECTION_ZCHG_SIZE (16)
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#define LT_SECTION_ZDICTIONARY (17)
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#define LT_SECTION_ZDICTIONARY_SIZE (18)
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#define LT_SECTION_EXCLUDE_TABLE (19)
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struct lt_trace
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{
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FILE *handle;
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gzFile zhandle;
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dslxt_Tree *dict; /* dictionary manipulation */
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unsigned int mindictwidth;
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unsigned int num_dict_entries;
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unsigned int dict_string_mem_required;
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dslxt_Tree **sorted_dict;
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/* assume dict8_offset == filepos zero */
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unsigned int dict16_offset;
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unsigned int dict24_offset;
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unsigned int dict32_offset;
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int (*lt_emit_u8)(struct lt_trace *lt, int value);
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int (*lt_emit_u16)(struct lt_trace *lt, int value);
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int (*lt_emit_u24)(struct lt_trace *lt, int value);
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int (*lt_emit_u32)(struct lt_trace *lt, int value);
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int (*lt_emit_u64)(struct lt_trace *lt, int valueh, int valuel);
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int (*lt_emit_double)(struct lt_trace *lt, double value);
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int (*lt_emit_string)(struct lt_trace *lt, char *value);
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unsigned int position;
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unsigned int zfacname_predec_size, zfacname_size, zfacgeometry_size, zsync_table_size, ztime_table_size, zdictionary_size;
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unsigned int zpackcount, zchg_table_size, chg_table_size;
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struct lt_symbol *sym[LT_SYMPRIME];
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struct lt_symbol **sorted_facs;
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struct lt_symbol *symchain;
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int numfacs, numfacs_bytes;
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int numfacbytes;
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int longestname;
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lxttime_t mintime, maxtime;
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int timescale;
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int initial_value;
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struct lt_timetrail *timehead, *timecurr, *timebuff;
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int timechangecount;
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struct lt_timetrail *dumpoffhead, *dumpoffcurr;
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int dumpoffcount;
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unsigned int change_field_offset;
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unsigned int facname_offset;
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unsigned int facgeometry_offset;
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unsigned int time_table_offset;
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unsigned int sync_table_offset;
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unsigned int initial_value_offset;
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unsigned int timescale_offset;
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unsigned int double_test_offset;
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unsigned int dictionary_offset;
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unsigned int exclude_offset;
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char *compress_fac_str;
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int compress_fac_len;
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lxttime_t timeval; /* for clock induction, current time */
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unsigned dumpoff_active : 1; /* when set we're not dumping */
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unsigned double_used : 1;
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unsigned do_strip_brackets : 1;
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unsigned clock_compress : 1;
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unsigned dictmode : 1; /* dictionary compression enabled */
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unsigned zmode : 2; /* for value changes */
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unsigned emitted : 1; /* gate off change field zmode changes when set */
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};
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struct lt_symbol
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{
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struct lt_symbol *next;
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struct lt_symbol *symchain;
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char *name;
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int namlen;
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int facnum;
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struct lt_symbol *aliased_to;
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unsigned int rows;
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int msb, lsb;
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int len;
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int flags;
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unsigned int last_change;
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lxttime_t clk_delta;
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lxttime_t clk_prevtrans;
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int clk_numtrans;
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int clk_prevval;
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int clk_prevval1;
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int clk_prevval2;
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int clk_prevval3;
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int clk_prevval4;
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unsigned char clk_mask;
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};
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#define LT_SYM_F_BITS (0)
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#define LT_SYM_F_INTEGER (1<<0)
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#define LT_SYM_F_DOUBLE (1<<1)
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#define LT_SYM_F_STRING (1<<2)
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#define LT_SYM_F_ALIAS (1<<3)
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struct lt_trace * lt_init(const char *name);
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void lt_close(struct lt_trace *lt);
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struct lt_symbol * lt_symbol_find(struct lt_trace *lt, const char *name);
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struct lt_symbol * lt_symbol_add(struct lt_trace *lt, const char *name, unsigned int rows, int msb, int lsb, int flags);
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struct lt_symbol * lt_symbol_alias(struct lt_trace *lt, const char *existing_name, const char *alias, int msb, int lsb);
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void lt_symbol_bracket_stripping(struct lt_trace *lt, int doit);
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/* lt_set_no_interlace implies bzip2 compression. if you use lt_set_chg_compress before this, */
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/* less efficient gzip compression will be used instead so make sure lt_set_no_interlace is first */
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/* if you are using it! */
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void lt_set_no_interlace(struct lt_trace *lt);
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void lt_set_chg_compress(struct lt_trace *lt);
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void lt_set_clock_compress(struct lt_trace *lt);
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void lt_set_dict_compress(struct lt_trace *lt, unsigned int minwidth);
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void lt_set_initial_value(struct lt_trace *lt, char value);
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void lt_set_timescale(struct lt_trace *lt, int timescale);
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int lt_set_time(struct lt_trace *lt, unsigned int timeval);
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int lt_inc_time_by_delta(struct lt_trace *lt, unsigned int timeval);
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int lt_set_time64(struct lt_trace *lt, lxttime_t timeval);
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int lt_inc_time_by_delta64(struct lt_trace *lt, lxttime_t timeval);
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/* allows blackout regions in LXT files */
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void lt_set_dumpoff(struct lt_trace *lt);
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void lt_set_dumpon(struct lt_trace *lt);
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/*
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* value change functions..note that if the value string len for
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* lt_emit_value_bit_string() is shorter than the symbol length
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* it will be left justified with the rightmost character used as
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* a repeat value that will be propagated to pad the value string out:
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*
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* "10x" for 8 bits becomes "10xxxxxx"
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* "z" for 8 bits becomes "zzzzzzzz"
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*/
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int lt_emit_value_int(struct lt_trace *lt, struct lt_symbol *s, unsigned int row, int value);
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int lt_emit_value_double(struct lt_trace *lt, struct lt_symbol *s, unsigned int row, double value);
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int lt_emit_value_string(struct lt_trace *lt, struct lt_symbol *s, unsigned int row, char *value);
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int lt_emit_value_bit_string(struct lt_trace *lt, struct lt_symbol *s, unsigned int row, char *value);
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#endif
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