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libdebug: Add common debug utility.

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- Add sdm and drm independent debug utility.

CRs-Fixed: 2211061
Change-Id: I48f9d8080ce05cff0ac0982f8e7123fec969e695
This commit is contained in:
Dileep Marchya
2018-03-09 16:40:35 +05:30
parent 8ae77fc36e
commit 1bfb21012e
6 changed files with 180 additions and 1 deletions
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60
libdebug/debug_handler.cpp Normal file
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/*
* Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "debug_handler.h"
namespace display {
// By default, drop any log messages/traces. It need to be overridden by client.
class DefaultDebugHandler : public DebugHandler {
public:
virtual void Error(const char *, ...) { }
virtual void Warning(const char *, ...) { }
virtual void Info(const char *, ...) { }
virtual void Debug(const char *, ...) { }
virtual void Verbose(const char *, ...) { }
virtual void BeginTrace(const char *, const char *, const char *) { }
virtual void EndTrace() { }
virtual int GetProperty(const char *, int *) { return -1; }
virtual int GetProperty(const char *, char *) { return -1; }
};
DefaultDebugHandler g_default_debug_handler;
DebugHandler * DebugHandler::debug_handler_ = &g_default_debug_handler;
std::bitset<32> DebugHandler::log_mask_ = 0x1; // Always print logs tagged with value 0
void DebugHandler::Set(DebugHandler *debug_handler) {
if (debug_handler) {
debug_handler_ = debug_handler;
} else {
debug_handler_ = &g_default_debug_handler;
}
}
} // namespace display