114 lines
4.2 KiB
Ada
114 lines
4.2 KiB
Ada
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------------------------------------------------------------------------------
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-- --
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-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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-- --
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-- S Y S T E M . T R A C E S --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 2001-2014, Free Software Foundation, Inc. --
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-- --
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-- GNARL is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. --
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-- --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception, --
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-- version 3.1, as published by the Free Software Foundation. --
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-- --
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-- You should have received a copy of the GNU General Public License and --
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-- a copy of the GCC Runtime Library Exception along with this program; --
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-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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-- <http://www.gnu.org/licenses/>. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- This package implements functions for traces when tasking is not involved
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-- Warning : NO dependencies to tasking should be created here
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-- This package and all its children are used to implement debug information
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-- A new primitive, Send_Trace_Info (Id : Trace_T; 'data') is introduced.
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-- Trace_T is an event identifier, 'data' are the information to pass
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-- with the event. This procedure is used from within the Runtime to send
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-- debug information.
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-- This primitive is overloaded in System.Traces.Tasking and this package
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-- Send_Trace_Info calls Send_Trace, in System.Traces.Send, which is target
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-- dependent, to send the debug information to a debugger, stream ..
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-- To add a new event, just add them to the Trace_T type, and write the
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-- corresponding Send_Trace_Info procedure. It may be required for some
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-- target to modify Send_Trace (e.g. VxWorks).
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-- To add a new target, just adapt System.Traces.Send as needed
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package System.Traces is
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pragma Preelaborate;
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type Trace_T is
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(
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-- Events handled
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-- Messages
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M_Accept_Complete,
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M_Select_Else,
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M_RDV_Complete,
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M_Call_Complete,
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M_Delay,
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-- Errors
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E_Missed,
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E_Timeout,
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E_Kill,
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-- Waiting events
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W_Call,
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W_Accept,
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W_Select,
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W_Completion,
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W_Delay,
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WU_Delay,
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WT_Call,
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WT_Select,
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WT_Completion,
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-- Protected objects events
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PO_Call,
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POT_Call,
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PO_Run,
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PO_Lock,
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PO_Unlock,
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PO_Done,
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-- Task handling events
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T_Create,
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T_Activate,
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T_Abort,
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T_Terminate);
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-- Send_Trace_Info procedures
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-- They are overloaded, depending on the parameters passed with
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-- the event, e.g. Time information, Task name, Accept name ...
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procedure Send_Trace_Info (Id : Trace_T);
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procedure Send_Trace_Info (Id : Trace_T; Timeout : Duration);
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end System.Traces;
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