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Martin Whitaker
3f9a49ae01
PLI 1.0 callbacks are directly associated with the instance of the system
task/function that initiated them, allowing them to access the task/function
arguments. However, we implement them using VPI callbacks, which are not so
associated. So we need to pass the VPI handle for the associated task/function
instance to the callback routine via the VPI callback user_data pointer,
because vpi_handle(vpiSysTfCall, 0) will return null when called from the
callback function.
This is the first step to a proper fix for issue #141, to replace the
problematic fix that was reverted in commit 8da8261f.
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
#ifndef IVL_priv_H
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#define IVL_priv_H
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/*
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* Copyright (c) 2003-2020 Stephen Williams ([email protected])
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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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* General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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# include <stdio.h>
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# include "vpi_user.h"
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/*
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* The VPI handle for the current task/function instance. This is the
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* handle returned by vpi_handle(vpiSysTfCall, 0) when the task/function
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* is compiled or called, but we also need it when executing a callback.
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*/
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extern vpiHandle cur_instance;
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/*
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* This function implements the acc_ string buffer, by adding the
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* input string to the buffer, and returning a pointer to the first
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* character of the new string.
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*/
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extern char* __acc_newstring(const char*txt);
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/*
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* Trace file for logging ACC and TF calls.
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*/
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extern FILE* pli_trace;
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#endif /* IVL_priv_H */
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