Add hello++5 to ELF example. From Leo Aloe3132

This commit is contained in:
Gregory Nutt 2015-06-01 10:03:14 -06:00
parent 61d4d0ebbb
commit bd9b2bd740
3 changed files with 311 additions and 15 deletions

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@ -2,5 +2,4 @@ hello++1
hello++2
hello++3
hello++4
hello++5

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@ -1,7 +1,7 @@
############################################################################
# examples/elf/tests/helloxx/Makefile
#
# Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved.
# Copyright (C) 2012, 2014-2015 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
@ -69,9 +69,10 @@ ifeq ($(CONFIG_BINFMT_CONSTRUCTORS),y)
BIN3 = hello++3
ifeq ($(CONFIG_EXAMPLES_ELF_UCLIBCXX),y)
BIN4 = hello++4
BIN5 = hello++5
endif
endif
ALL_BIN = $(BIN1) $(BIN2) $(BIN3) $(BIN4)
ALL_BIN = $(BIN1) $(BIN2) $(BIN3) $(BIN4) $(BIN5)
SRCS1 = $(BIN1).c
OBJS1 = $(SRCS1:.c=$(OBJEXT))
@ -85,17 +86,18 @@ OBJS3 = $(SRCS3:.c=$(OBJEXT))
ifeq ($(CONFIG_EXAMPLES_ELF_UCLIBCXX),y)
SRCS4 = $(BIN4).c
OBJS4 = $(SRCS4:.c=$(OBJEXT))
SRCS5 = $(BIN5).c
OBJS5 = $(SRCS5:.c=$(OBJEXT))
endif
endif
SRCS = $(SRCS1) $(SRCS2) $(SRCS3) $(SRCS4)
OBJS = $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4)
SRCS = $(SRCS1) $(SRCS2) $(SRCS3) $(SRCS4) $(SRCS5)
OBJS = $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4) $(OBJS5)
LDLIBSTDC_STUBS_DIR = $(TOPDIR)/libxx
LDLIBSTDC_STUBS_LIB = $(LDLIBSTDC_STUBS_DIR)/liblibxx.a
all: $(BIN1) $(BIN2) $(BIN3) $(BIN4)
all: $(BIN1) $(BIN2) $(BIN3) $(BIN4) $(BIN5)
$(OBJS): %$(OBJEXT): %.cpp
@echo "CC: $<"
@ -135,6 +137,9 @@ ifeq ($(CONFIG_EXAMPLES_ELF_UCLIBCXX),y)
$(BIN4): $(OBJS4)
@echo "LD: $<"
$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $@ $(ARCHCRT0OBJ) $^ $(LDLIBS)
$(BIN5): $(OBJS5)
@echo "LD: $<"
$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $@ $(ARCHCRT0OBJ) $^ $(LDLIBS)
endif
endif
@ -143,6 +148,7 @@ clean:
$(call DELFILE, $(BIN2))
$(call DELFILE, $(BIN3))
$(call DELFILE, $(BIN4))
$(call DELFILE, $(BIN5))
$(call CLEAN)
install: $(ALL_BIN)
@ -153,12 +159,6 @@ ifeq ($(CONFIG_BINFMT_CONSTRUCTORS),y)
$(Q) install $(BIN3) $(ROMFS_DIR)/$(BIN3)
ifeq ($(CONFIG_EXAMPLES_ELF_UCLIBCXX),y)
$(Q) install $(BIN4) $(ROMFS_DIR)/$(BIN4)
$(Q) install $(BIN5) $(ROMFS_DIR)/$(BIN5)
endif
endif

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@ -0,0 +1,297 @@
/////////////////////////////////////////////////////////////////////////////
// examples/elf/tests/helloxx/hello++5.c
//
// Copyright (C) 2015 Gregory Nutt. All rights reserved.
// Author: Gregory Nutt <gnutt@nuttx.org>
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. 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.
// 3. Neither the name NuttX 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE 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.
//
/////////////////////////////////////////////////////////////////////////////
//
// This is an excessively complex version of "Hello, World" design to
// illustrate some basic properties of C++:
//
// - Building a C++ program
// - Streams / statically linked libstdc++
// - Static constructor and destructors (in main program only)
// - Exception handling
//
/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// Included Files
/////////////////////////////////////////////////////////////////////////////
#include <cstdio>
#include <iostream>
#include <string>
#ifndef NULL
# define NULL ((void*)0L)
#endif
/////////////////////////////////////////////////////////////////////////////
// Private Classes
/////////////////////////////////////////////////////////////////////////////
using namespace std;
// A hello world sayer class
class CThingSayer
{
const char *szWhatToSay;
public:
CThingSayer(void);
virtual ~CThingSayer(void);
virtual void Initialize(const char *czSayThis);
virtual void SayThing(void);
virtual void ThrowThing(void);
virtual void ThrowMyThing(const char *czSayThis);
};
class MyException: public std::exception
{
std::string reason;
public:
virtual ~MyException() throw();
MyException();
MyException(std::string r);
virtual const char *what() const throw();
};
/////////////////////////////////////////////////////////////////////////////
// Private Data
/////////////////////////////////////////////////////////////////////////////
// A static instance of the CThingSayer class. This instance MUST
// be constructed by the system BEFORE the program is started at
// main() and must be destructed by the system AFTER the main()
// returns to the system
static CThingSayer MyThingSayer;
/////////////////////////////////////////////////////////////////////////////
// MyException Method Implementations
/////////////////////////////////////////////////////////////////////////////
MyException::MyException(std::string r = NULL) : reason(r)
{
if( r.length() > 0 )
{
cout << "MyException(" << r << "): constructing with reason." << endl;
}
else
{
cout << "MyException(): constructing." << endl;
}
}
MyException::~MyException() throw()
{
cout << "~MyException(): destructing." << endl;
}
const char *MyException::what() const throw()
{
return reason.c_str();
}
/////////////////////////////////////////////////////////////////////////////
// CThingSayer Method Implementations
/////////////////////////////////////////////////////////////////////////////
// These are implementations of the methods of the CThingSayer class
CThingSayer::CThingSayer(void)
{
cout << "CThingSayer::CThingSayer: I am!" << endl;
szWhatToSay = (const char*)NULL;
}
CThingSayer::~CThingSayer(void)
{
cout << "CThingSayer::~CThingSayer: I cease to be" << endl;
if (szWhatToSay)
{
cout << "CThingSayer::~CThingSayer: I will never say '"
<< szWhatToSay << "' again" << endl;
}
szWhatToSay = (const char*)NULL;
}
void CThingSayer::Initialize(const char *czSayThis)
{
cout << "CThingSayer::Initialize: When told, I will say '"
<< czSayThis << "'" << endl;
szWhatToSay = czSayThis;
}
void CThingSayer::SayThing(void)
{
cout << "CThingSayer::SayThing: I am now saying '"
<< szWhatToSay << "'" << endl;
}
void CThingSayer::ThrowThing(void)
{
cout << "CThingSayer::ThrowThing: I am now throwing an exception." << endl;
throw exception();
}
void CThingSayer::ThrowMyThing(const char *czSayThis = NULL)
{
cout << "CThingSayer::ThrowMyThing: I am now throwing an MyException (with reason)." << endl;
throw MyException( string(czSayThis) );
}
/////////////////////////////////////////////////////////////////////////////
// Public Functions
/////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
// We should see the message from constructor, CThingSayer::CThingSayer(),
// BEFORE we see the following messages. That is proof that the
// C++ static initializer is working
cout << "main: Started" << endl;
// Tell MyThingSayer that "Hello, World!" is the string to be said
cout << "main: Calling MyThingSayer.Initialize" << endl;
MyThingSayer.Initialize("Hello, World!");
// Tell MyThingSayer to say the thing we told it to say
cout << "main: Calling MyThingSayer.SayThing" << endl;
MyThingSayer.SayThing();
// Test Static object throwing std::exception located in flash
try
{
cout << "main: Calling MyThingSayer.ThrowThing (and catching it)" << endl;
MyThingSayer.ThrowThing();
}
catch (const exception& e)
{
cout << "main: Caught exception: " << e.what() << endl;
}
// Test Static object throwing MyException shipped in the ELF and located in RAM.
try
{
cout << "main: Calling MyThingSayer.ThrowMyThing (and catching it)" << endl;
MyThingSayer.ThrowMyThing();
}
catch (const MyException& e)
{
cout << "main: Caught MyException: " << e.what() << endl;
}
// Testing with a local object
CThingSayer localMyThingSayer;
cout << "main: Calling localMyThingSayer.Initialize" << endl;
localMyThingSayer.Initialize("Repeat in heap.");
cout << "main: Calling localMyThingSayer.SayThing" << endl;
localMyThingSayer.SayThing();
// Test local object throwing std::exception located in flash
try
{
cout << "main: Calling localMyThingSayer.ThrowThing (and catching it)" << endl;
localMyThingSayer.ThrowThing();
}
catch (const exception& e)
{
cout << "main: Caught exception: " << e.what() << endl;
}
catch (const MyException& e)
{
cout << "main: Caught MyException: " << e.what() << endl;
}
// Test local object throwing MyException shipped in the ELF and located in RAM.
// Also testing the action record selection logic trying different sorting of the
// catch clauses
try
{
cout << "main: Calling localMyThingSayer.ThrowMyThing (and catching it)" << endl;
localMyThingSayer.ThrowMyThing();
}
catch (const exception& e)
{
cout << "main: Caught exception: " << e.what() << endl;
}
catch (const MyException& e)
{
cout << "main: Caught MyException: " << e.what() << endl;
}
// AGAING: Test local object throwing MyException shipped in the ELF and located in RAM.
// Also testing the action record selection logic trying different sorting of the
// catch clauses
try
{
cout << "main: Calling localMyThingSayer.ThrowMyThing (and catching it)" << endl;
localMyThingSayer.ThrowMyThing("Custom Reason.");
}
catch (const MyException& e)
{
cout << "main: Caught MyException: " << e.what() << endl;
}
catch (const exception& e)
{
cout << "main: Caught exception: " << e.what() << endl;
}
// We are finished, return. We should see the message from the
// destructor, CThingSayer::~CThingSayer(), AFTER we see the following
// message. That is proof that the C++ static destructor logic
// is working
cout << "main: Returning" << endl;
return 0;
}