Permanent allocate vpiSignals more efficiently.
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steve
parent
a94ca97d36
commit
74192632fa
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
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* Copyright (c) 2001-2003 Stephen Williams (steve@icarus.com)
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*
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* This source code is free software; you can redistribute it
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* and/or modify it in source code form under the terms of the GNU
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@ -17,7 +17,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: vpi_signal.cc,v 1.52 2003/02/09 23:33:26 steve Exp $"
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#ident "$Id: vpi_signal.cc,v 1.53 2003/02/16 23:40:05 steve Exp $"
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#endif
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/*
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@ -735,6 +735,23 @@ vpiHandle vpip_make_reg(const char*name, int msb, int lsb,
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return obj;
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}
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static struct __vpiSignal* allocate_vpiSignal(void)
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{
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static struct __vpiSignal*alloc_array = 0;
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static unsigned alloc_index = 0;
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const unsigned alloc_count = 512;
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if ((alloc_array == 0) || (alloc_index == alloc_count)) {
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alloc_array = (struct __vpiSignal*)
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calloc(alloc_count, sizeof(struct __vpiSignal));
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alloc_index = 0;
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}
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struct __vpiSignal*cur = alloc_array + alloc_index;
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alloc_index += 1;
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return cur;
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}
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/*
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* Construct a vpiNet object. Give the object specified dimensions,
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* and point to the specified functor for the lsb.
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@ -742,8 +759,7 @@ vpiHandle vpip_make_reg(const char*name, int msb, int lsb,
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vpiHandle vpip_make_net(const char*name, int msb, int lsb,
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bool signed_flag, vvp_fvector_t vec)
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{
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struct __vpiSignal*obj = (struct __vpiSignal*)
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malloc(sizeof(struct __vpiSignal));
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struct __vpiSignal*obj = allocate_vpiSignal();
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obj->base.vpi_type = &vpip_net_rt;
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obj->name = vpip_string(name);
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obj->msb = msb;
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@ -763,6 +779,9 @@ vpiHandle vpip_make_net(const char*name, int msb, int lsb,
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/*
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* $Log: vpi_signal.cc,v $
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* Revision 1.53 2003/02/16 23:40:05 steve
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* Permanent allocate vpiSignals more efficiently.
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*
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* Revision 1.52 2003/02/09 23:33:26 steve
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* Spelling fixes.
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*
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@ -788,80 +807,4 @@ vpiHandle vpip_make_net(const char*name, int msb, int lsb,
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*
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* Revision 1.45 2002/07/23 15:11:41 steve
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* integral type/ptrdiff_t warning.
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*
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* Revision 1.44 2002/07/23 02:36:34 steve
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* Careful not to overrun vector buffer.
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*
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* Revision 1.43 2002/07/19 00:36:36 steve
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* Support put of wide vpiVectorVal to signal.
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*
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* Revision 1.42 2002/07/09 03:24:37 steve
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* Dynamic resizevpi result buf in more places.
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*
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* Revision 1.41 2002/07/05 17:14:15 steve
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* Names of vpi objects allocated as vpip_strings.
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*
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* Revision 1.40 2002/07/05 02:50:58 steve
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* Remove the vpi object symbol table after compile.
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*
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* Revision 1.39 2002/07/03 23:39:57 steve
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* Dynamic size result buffer for _str and _get_value functions.
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*
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* Revision 1.38 2002/07/03 23:16:27 steve
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* don't pollute name space
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* fix vecval for Z/X cases
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*
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* Revision 1.37 2002/07/03 02:09:38 steve
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* vpiName, vpiFullName support in memory types,
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* length checks for *_get_str() buffers,
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* temporary buffers for *_get_str() data,
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* dynamic storage for vpi_get_data() in memory types
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* shared with signal white space
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*
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* Revision 1.36 2002/06/30 02:52:36 steve
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* vpiVectorVal of very wide signals.
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*
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* Revision 1.35 2002/06/21 04:58:55 steve
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* Add support for special integer vectors.
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*
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* Revision 1.34 2002/05/15 04:48:46 steve
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* Support set by string for reg objects.
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*
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* Revision 1.33 2002/02/03 01:01:51 steve
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* Use Larrys bits-to-decimal-string code.
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*
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* Revision 1.32 2002/01/09 03:29:12 steve
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* String prints of non-round vectors (PR378)
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*
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* Revision 1.31 2001/12/18 05:31:54 steve
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* Remove result length restrictions for vpi_get_value.
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*
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* Revision 1.30 2001/12/06 03:31:25 steve
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* Support functor delays for gates and UDP devices.
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* (Stephan Boettcher)
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*
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* Revision 1.29 2001/11/07 03:34:42 steve
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* Use functor pointers where vvp_ipoint_t is unneeded.
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*
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* Revision 1.28 2001/10/31 04:27:47 steve
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* Rewrite the functor type to have fewer functor modes,
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* and use objects to manage the different types.
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* (Stephan Boettcher)
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*
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* Revision 1.27 2001/10/18 04:52:31 steve
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* Support vpiVectorVal for signals. (Philip Blundell)
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*
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* Revision 1.26 2001/10/15 01:49:50 steve
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* Support getting scope of scope, and scope of signals.
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*
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* Revision 1.25 2001/09/30 05:18:46 steve
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* Reduce VCD output by removing duplicates. (Stephan Boettcher)
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*
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* Revision 1.24 2001/09/15 18:27:05 steve
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* Make configure detect malloc.h
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*
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* Revision 1.23 2001/08/09 19:38:23 steve
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* Nets (wires) do not use their own functors.
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* Modifications to propagation of values.
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* (Stephan Boettcher)
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*/
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