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Strict aliasing.

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This commit is contained in:
John Greb 2014-11-22 21:55:35 +00:00
parent 25cffee789
commit 836796fff4
5 changed files with 75 additions and 58 deletions
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11
CMakeLists.txt
View File

@ -9,8 +9,6 @@ project(sdrangelove)
set(CMAKE_BUILD_TYPE "Release") set(CMAKE_BUILD_TYPE "Release")
#set(CMAKE_BUILD_TYPE "ReleaseWithDebugInfo") #set(CMAKE_BUILD_TYPE "ReleaseWithDebugInfo")
#set(CMAKE_BUILD_TYPE "Debug") #set(CMAKE_BUILD_TYPE "Debug")
add_definitions(-Wall -fno-strict-aliasing)
set(QT_USE_QTOPENGL TRUE) set(QT_USE_QTOPENGL TRUE)
set(CMAKE_AUTOMOC ON) set(CMAKE_AUTOMOC ON)
@ -99,7 +97,7 @@ set(sdrbase_SOURCES
sdrbase/util/message.cpp sdrbase/util/message.cpp
sdrbase/util/messagequeue.cpp sdrbase/util/messagequeue.cpp
sdrbase/util/miniz.cpp #sdrbase/util/miniz.cpp
sdrbase/util/simpleserializer.cpp sdrbase/util/simpleserializer.cpp
sdrbase/util/spinlock.cpp sdrbase/util/spinlock.cpp
) )
@ -170,7 +168,7 @@ set(sdrbase_HEADERS
include/util/export.h include/util/export.h
include/util/message.h include/util/message.h
include/util/messagequeue.h include/util/messagequeue.h
include/util/miniz.h #include/util/miniz.h
include/util/simpleserializer.h include/util/simpleserializer.h
include/util/spinlock.h include/util/spinlock.h
) )
@ -265,8 +263,9 @@ if(MSVC)
set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" ) set( CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /LTCG" )
add_definitions (/D "_CRT_SECURE_NO_WARNINGS") add_definitions (/D "_CRT_SECURE_NO_WARNINGS")
else() else()
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse2" ) #set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -msse2" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse2" ) #set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -msse2" )
add_definitions(-msse2 -Wall)
endif() endif()
############################################################################## ##############################################################################

2
plugins/samplesource/CMakeLists.txt
View File

@ -1,7 +1,7 @@
project(samplesource) project(samplesource)
find_package(LibUSB) find_package(LibUSB)
find_package(LibOsmoSDR) #find_package(LibOsmoSDR)
add_subdirectory(gnuradio) add_subdirectory(gnuradio)

10
sdrbase/mainwindow.cpp
View File

@ -339,8 +339,8 @@ void MainWindow::updateStatus()
m_engineRunning->setColor(Qt::gray); m_engineRunning->setColor(Qt::gray);
m_engineError->setColor(Qt::gray); m_engineError->setColor(Qt::gray);
statusBar()->clearMessage(); statusBar()->clearMessage();
if(m_startOsmoSDRUpdateAfterStop) //if(m_startOsmoSDRUpdateAfterStop)
on_actionOsmoSDR_Firmware_Upgrade_triggered(); // on_actionOsmoSDR_Firmware_Upgrade_triggered();
break; break;
case DSPEngine::StRunning: case DSPEngine::StRunning:
@ -355,8 +355,8 @@ void MainWindow::updateStatus()
m_engineRunning->setColor(Qt::gray); m_engineRunning->setColor(Qt::gray);
m_engineError->setColor(Qt::red); m_engineError->setColor(Qt::red);
statusBar()->showMessage(tr("Error: %1").arg(m_dspEngine->errorMessage())); statusBar()->showMessage(tr("Error: %1").arg(m_dspEngine->errorMessage()));
if(m_startOsmoSDRUpdateAfterStop) //if(m_startOsmoSDRUpdateAfterStop)
on_actionOsmoSDR_Firmware_Upgrade_triggered(); // on_actionOsmoSDR_Firmware_Upgrade_triggered();
break; break;
} }
m_lastEngineState = state; m_lastEngineState = state;
@ -401,6 +401,7 @@ void MainWindow::on_action_View_Fullscreen_toggled(bool checked)
void MainWindow::on_actionOsmoSDR_Firmware_Upgrade_triggered() void MainWindow::on_actionOsmoSDR_Firmware_Upgrade_triggered()
{ {
#if 0
DSPEngine::State engineState = m_dspEngine->state(); DSPEngine::State engineState = m_dspEngine->state();
if((engineState != DSPEngine::StIdle) && (engineState != DSPEngine::StError)) { if((engineState != DSPEngine::StIdle) && (engineState != DSPEngine::StError)) {
m_startOsmoSDRUpdateAfterStop = true; m_startOsmoSDRUpdateAfterStop = true;
@ -412,6 +413,7 @@ void MainWindow::on_actionOsmoSDR_Firmware_Upgrade_triggered()
OsmoSDRUpgrade osmoSDRUpgrade; OsmoSDRUpgrade osmoSDRUpgrade;
osmoSDRUpgrade.exec(); osmoSDRUpgrade.exec();
*/ */
#endif
} }
void MainWindow::on_presetSave_clicked() void MainWindow::on_presetSave_clicked()

28
sdrbase/mainwindow.ui
View File

@ -50,15 +50,9 @@
<property name="title"> <property name="title">
<string>&amp;File</string> <string>&amp;File</string>
</property> </property>
<addaction name="action_Exit"/>
</widget>
<widget class="QMenu" name="menu_Options">
<property name="title">
<string>&amp;Options</string>
</property>
<addaction name="actionOsmoSDR_Firmware_Upgrade"/>
<addaction name="separator"/>
<addaction name="action_Preferences"/> <addaction name="action_Preferences"/>
<addaction name="separator"/>
<addaction name="action_Exit"/>
</widget> </widget>
<widget class="QMenu" name="menu_Acquisition"> <widget class="QMenu" name="menu_Acquisition">
<property name="title"> <property name="title">
@ -79,9 +73,9 @@
<property name="title"> <property name="title">
<string>&amp;Help</string> <string>&amp;Help</string>
</property> </property>
<addaction name="action_Open_Website"/> <!--addaction name="action_Open_Website"/>
<addaction name="action_Check_for_Update"/> <addaction name="action_Check_for_Update"/>
<addaction name="separator"/> <addaction name="separator"/-->
<addaction name="action_Loaded_Plugins"/> <addaction name="action_Loaded_Plugins"/>
<addaction name="separator"/> <addaction name="separator"/>
<addaction name="action_About"/> <addaction name="action_About"/>
@ -100,7 +94,7 @@
<addaction name="menu_View"/> <addaction name="menu_View"/>
<addaction name="menu_Acquisition"/> <addaction name="menu_Acquisition"/>
<addaction name="menu_Channels"/> <addaction name="menu_Channels"/>
<addaction name="menu_Options"/> <!--addaction name="menu_Options"/-->
<addaction name="menu_Window"/> <addaction name="menu_Window"/>
<addaction name="menu_Help"/> <addaction name="menu_Help"/>
</widget> </widget>
@ -371,11 +365,11 @@
<string>F11</string> <string>F11</string>
</property> </property>
</action> </action>
<action name="actionOsmoSDR_Firmware_Upgrade"> <!--action name="actionOsmoSDR_Firmware_Upgrade">
<property name="text"> <property name="text">
<string>OsmoSDR &amp;Firmware Upgrade...</string> <string>OsmoSDR &amp;Firmware Upgrade...</string>
</property> </property>
</action> </action-->
<action name="action_Oscilloscope"> <action name="action_Oscilloscope">
<property name="checkable"> <property name="checkable">
<bool>true</bool> <bool>true</bool>
@ -407,16 +401,16 @@
<string>&amp;Preferences...</string> <string>&amp;Preferences...</string>
</property> </property>
</action> </action>
<action name="action_Demod_NFM"> <!--action name="action_Demod_NFM">
<property name="text"> <property name="text">
<string>N&amp;FM</string> <string>N&amp;FM</string>
</property> </property>
</action> </action>
<action name="action_Tetra"> <action name="action_Demod_SSB">
<property name="text"> <property name="text">
<string>&amp;Tetra</string> <string>&amp;SSB</string>
</property> </property>
</action> </action-->
<action name="action_Loaded_Plugins"> <action name="action_Loaded_Plugins">
<property name="text"> <property name="text">
<string>Loaded &amp;Plugins...</string> <string>Loaded &amp;Plugins...</string>

82
sdrbase/util/simpleserializer.cpp
View File

@ -165,8 +165,14 @@ void SimpleSerializer::writeU64(quint32 id, quint64 value)
m_data.push_back((char)((value >> (i * 8)) & 0xff)); m_data.push_back((char)((value >> (i * 8)) & 0xff));
} }
union floatasint {
quint32 u;
float f;
};
void SimpleSerializer::writeFloat(quint32 id, float value) void SimpleSerializer::writeFloat(quint32 id, float value)
{ {
union floatasint tmp;
if(id == 0) { if(id == 0) {
qCritical("SimpleSerializer: ID 0 is not allowed"); qCritical("SimpleSerializer: ID 0 is not allowed");
return; return;
@ -175,15 +181,21 @@ void SimpleSerializer::writeFloat(quint32 id, float value)
if(!writeTag(TFloat, id, 4)) if(!writeTag(TFloat, id, 4))
return; return;
quint32 tmp = *((quint32*)&value); tmp.f = value;
m_data.push_back((char)((tmp >> 24) & 0xff)); m_data.push_back((char)((tmp.u >> 24) & 0xff));
m_data.push_back((char)((tmp >> 16) & 0xff)); m_data.push_back((char)((tmp.u >> 16) & 0xff));
m_data.push_back((char)((tmp >> 8) & 0xff)); m_data.push_back((char)((tmp.u >> 8) & 0xff));
m_data.push_back((char)(tmp & 0xff)); m_data.push_back((char)(tmp.u & 0xff));
} }
union doubleasint {
quint64 u;
double d;
};
void SimpleSerializer::writeDouble(quint32 id, double value) void SimpleSerializer::writeDouble(quint32 id, double value)
{ {
union doubleasint tmp;
if(id == 0) { if(id == 0) {
qCritical("SimpleSerializer: ID 0 is not allowed"); qCritical("SimpleSerializer: ID 0 is not allowed");
return; return;
@ -192,15 +204,15 @@ void SimpleSerializer::writeDouble(quint32 id, double value)
if(!writeTag(TDouble, id, 8)) if(!writeTag(TDouble, id, 8))
return; return;
quint64 tmp = *((quint64*)&value); tmp.d = value;
m_data.push_back((char)((tmp >> 56) & 0xff)); m_data.push_back((char)((tmp.u >> 56) & 0xff));
m_data.push_back((char)((tmp >> 48) & 0xff)); m_data.push_back((char)((tmp.u >> 48) & 0xff));
m_data.push_back((char)((tmp >> 40) & 0xff)); m_data.push_back((char)((tmp.u >> 40) & 0xff));
m_data.push_back((char)((tmp >> 32) & 0xff)); m_data.push_back((char)((tmp.u >> 32) & 0xff));
m_data.push_back((char)((tmp >> 24) & 0xff)); m_data.push_back((char)((tmp.u >> 24) & 0xff));
m_data.push_back((char)((tmp >> 16) & 0xff)); m_data.push_back((char)((tmp.u >> 16) & 0xff));
m_data.push_back((char)((tmp >> 8) & 0xff)); m_data.push_back((char)((tmp.u >> 8) & 0xff));
m_data.push_back((char)(tmp & 0xff)); m_data.push_back((char)(tmp.u & 0xff));
} }
void SimpleSerializer::writeBool(quint32 id, bool value) void SimpleSerializer::writeBool(quint32 id, bool value)
@ -414,7 +426,7 @@ returnDefault:
bool SimpleDeserializer::readFloat(quint32 id, float* result, float def) const bool SimpleDeserializer::readFloat(quint32 id, float* result, float def) const
{ {
uint readOfs; uint readOfs;
quint32 tmp; union floatasint tmp;
Elements::const_iterator it = m_elements.constFind(id); Elements::const_iterator it = m_elements.constFind(id);
if(it == m_elements.constEnd()) if(it == m_elements.constEnd())
goto returnDefault; goto returnDefault;
@ -424,10 +436,10 @@ bool SimpleDeserializer::readFloat(quint32 id, float* result, float def) const
goto returnDefault; goto returnDefault;
readOfs = it->ofs; readOfs = it->ofs;
tmp = 0; tmp.u = 0;
for(int i = 0; i < 4; i++) for(int i = 0; i < 4; i++)
tmp = (tmp << 8) | readByte(&readOfs); tmp.u = (tmp.u << 8) | readByte(&readOfs);
*result = *((float*)&tmp); *result = tmp.f;
return true; return true;
returnDefault: returnDefault:
@ -438,7 +450,7 @@ returnDefault:
bool SimpleDeserializer::readDouble(quint32 id, double* result, double def) const bool SimpleDeserializer::readDouble(quint32 id, double* result, double def) const
{ {
uint readOfs; uint readOfs;
quint64 tmp; union doubleasint tmp;
Elements::const_iterator it = m_elements.constFind(id); Elements::const_iterator it = m_elements.constFind(id);
if(it == m_elements.constEnd()) if(it == m_elements.constEnd())
goto returnDefault; goto returnDefault;
@ -448,10 +460,10 @@ bool SimpleDeserializer::readDouble(quint32 id, double* result, double def) cons
goto returnDefault; goto returnDefault;
readOfs = it->ofs; readOfs = it->ofs;
tmp = 0; tmp.u = 0;
for(int i = 0; i < 8; i++) for(int i = 0; i < 8; i++)
tmp = (tmp << 8) | readByte(&readOfs); tmp.u = (tmp.u << 8) | readByte(&readOfs);
*result = *((double*)&tmp); *result = tmp.d;
return true; return true;
returnDefault: returnDefault:
@ -459,11 +471,21 @@ returnDefault:
return false; return false;
} }
union real4asint {
quint32 u;
Real r;
};
union real8asint {
quint64 u;
Real r;
};
bool SimpleDeserializer::readReal(quint32 id, Real* result, Real def) const bool SimpleDeserializer::readReal(quint32 id, Real* result, Real def) const
{ {
if(sizeof(Real) == 4) { if(sizeof(Real) == 4) {
uint readOfs; uint readOfs;
quint32 tmp; union real4asint tmp;
Elements::const_iterator it = m_elements.constFind(id); Elements::const_iterator it = m_elements.constFind(id);
if(it == m_elements.constEnd()) if(it == m_elements.constEnd())
goto returnDefault32; goto returnDefault32;
@ -473,10 +495,10 @@ bool SimpleDeserializer::readReal(quint32 id, Real* result, Real def) const
goto returnDefault32; goto returnDefault32;
readOfs = it->ofs; readOfs = it->ofs;
tmp = 0; tmp.u = 0;
for(int i = 0; i < 4; i++) for(int i = 0; i < 4; i++)
tmp = (tmp << 8) | readByte(&readOfs); tmp.u = (tmp.u << 8) | readByte(&readOfs);
*result = *((Real*)&tmp); *result = tmp.r;
return true; return true;
returnDefault32: returnDefault32:
@ -484,7 +506,7 @@ bool SimpleDeserializer::readReal(quint32 id, Real* result, Real def) const
return false; return false;
} else { } else {
uint readOfs; uint readOfs;
quint64 tmp; union real8asint tmp;
Elements::const_iterator it = m_elements.constFind(id); Elements::const_iterator it = m_elements.constFind(id);
if(it == m_elements.constEnd()) if(it == m_elements.constEnd())
goto returnDefault64; goto returnDefault64;
@ -494,10 +516,10 @@ bool SimpleDeserializer::readReal(quint32 id, Real* result, Real def) const
goto returnDefault64; goto returnDefault64;
readOfs = it->ofs; readOfs = it->ofs;
tmp = 0; tmp.u = 0;
for(int i = 0; i < 8; i++) for(int i = 0; i < 8; i++)
tmp = (tmp << 8) | readByte(&readOfs); tmp.u = (tmp.u << 8) | readByte(&readOfs);
*result = *((Real*)&tmp); *result = tmp.r;
return true; return true;
returnDefault64: returnDefault64: