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	<title>John Tortugo</title>
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		<title>John Tortugo</title>
		<link>http://johntortugo.wordpress.com</link>
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		<item>
		<title>Where 0&#215;08048000 ELF address came from?</title>
		<link>http://johntortugo.wordpress.com/2012/01/29/where-0x08048000-elf-address-came-from/</link>
		<comments>http://johntortugo.wordpress.com/2012/01/29/where-0x08048000-elf-address-came-from/#comments</comments>
		<pubDate>Sun, 29 Jan 2012 03:17:12 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Compiladores]]></category>
		<category><![CDATA[Curiosidades]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Programação]]></category>
		<category><![CDATA[0x08048000]]></category>
		<category><![CDATA[assembler]]></category>
		<category><![CDATA[ld]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=658</guid>
		<description><![CDATA[Reading some ELF [1] and linux memory managing papers [2] I noticed the use of address 0&#215;08048000 for the start of linear address but no one told why this address was chosen. Until now I didn&#8217;t find an reasonably explanation, below are some links about what I was reading and commenting about this misteriousssss number: [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=658&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://johntortugo.wordpress.com/2012/01/29/where-0x08048000-elf-address-came-from/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">johntortugo</media:title>
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		<item>
		<title>Linux Assembler Tutorial</title>
		<link>http://johntortugo.wordpress.com/2012/01/28/linux-assembler-tutorial/</link>
		<comments>http://johntortugo.wordpress.com/2012/01/28/linux-assembler-tutorial/#comments</comments>
		<pubDate>Sat, 28 Jan 2012 18:01:51 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Programação]]></category>
		<category><![CDATA[assembler tutorial]]></category>
		<category><![CDATA[gnu assembler]]></category>
		<category><![CDATA[linux assembler]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=655</guid>
		<description><![CDATA[Abaixo segue um pequeno tutorial sobre ferramentas de programação (&#8220;assembler&#8221;) em linux. Achei o texto simples, direto e helpful então vale a pena compartilhar. JT. ======================================================================== LINUX ASSEMBLER TUTORIAL by Robin Miyagi @ http://www.geocities.com/SiliconValley/Ridge/2544/ ======================================================================== start@: Thu Feb 03 02:14:37 UTC 2000 update: Fri Jul 30 23:52:23 UTC 2000 update: Fri Sep 15 22:39:17 UTC [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=655&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">johntortugo</media:title>
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		<item>
		<title>O ensino/aprendizagem de leitura</title>
		<link>http://johntortugo.wordpress.com/2012/01/01/o-ensinoaprendizagem-de-leitura/</link>
		<comments>http://johntortugo.wordpress.com/2012/01/01/o-ensinoaprendizagem-de-leitura/#comments</comments>
		<pubDate>Sun, 01 Jan 2012 18:40:25 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Notícias]]></category>
		<category><![CDATA[educacao]]></category>
		<category><![CDATA[leitura]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=652</guid>
		<description><![CDATA[por Jáder vanderlei Muniz de Souza             A leitura é basicamente um processo de representação. Como esse processo envolve o sentido da visão, ler é, na sua essência, olhar para uma coisa e ver outra. A leitura não se dá por acesso direto à realidade, mas por intermediação de outros elementos da [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=652&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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		<title>Git Tutorial</title>
		<link>http://johntortugo.wordpress.com/2011/12/07/git-tutorial/</link>
		<comments>http://johntortugo.wordpress.com/2011/12/07/git-tutorial/#comments</comments>
		<pubDate>Wed, 07 Dec 2011 23:06:43 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Programação]]></category>
		<category><![CDATA[dvcs]]></category>
		<category><![CDATA[git]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=647</guid>
		<description><![CDATA[Olá pessoal! Digamos que você está escrevendo sua monografia/dissertação/tese/artigo, etc.. claro que você não quer correr o risco de perde-la não é mesmo? O que você faz? Backup! Mas aposto que você já teve também a vontade de restaurar o seu trabalho para uma estrutura/conteúdo que você tinha há algum tempo atrás ou quem sabe [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=647&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">johntortugo</media:title>
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		<item>
		<title>Writing a compiler with SableCC</title>
		<link>http://johntortugo.wordpress.com/2011/09/01/writing-a-compiler-with-sablecc/</link>
		<comments>http://johntortugo.wordpress.com/2011/09/01/writing-a-compiler-with-sablecc/#comments</comments>
		<pubDate>Thu, 01 Sep 2011 23:24:18 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Compiladores]]></category>
		<category><![CDATA[Java]]></category>
		<category><![CDATA[Programação]]></category>
		<category><![CDATA[compiler]]></category>
		<category><![CDATA[java]]></category>
		<category><![CDATA[pascal]]></category>
		<category><![CDATA[sablecc]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=631</guid>
		<description><![CDATA[The original post of this text is http://www.brainycreatures.org/compiler/sablecc.asp To create a compiler with SableCC we follow the following steps: We create a SableCC specification file containing the lexical definitions and the grammar for the language being designed. After creating the SableCC specification file, we generate the framework by launching SableCC on the specification file. . At [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=631&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://johntortugo.wordpress.com/2011/09/01/writing-a-compiler-with-sablecc/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
	
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			<media:title type="html">johntortugo</media:title>
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		<item>
		<title>UPCRC Illinois Summer School on Multicore Programming</title>
		<link>http://johntortugo.wordpress.com/2011/06/27/upcrc-illinois-summer-school-on-multicore-programming/</link>
		<comments>http://johntortugo.wordpress.com/2011/06/27/upcrc-illinois-summer-school-on-multicore-programming/#comments</comments>
		<pubDate>Tue, 28 Jun 2011 00:31:22 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[Parallel Computing]]></category>
		<category><![CDATA[Programação]]></category>
		<category><![CDATA[CUDA]]></category>
		<category><![CDATA[GPGPU]]></category>
		<category><![CDATA[GPU]]></category>
		<category><![CDATA[Hpc]]></category>
		<category><![CDATA[illinois]]></category>
		<category><![CDATA[parallel]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=627</guid>
		<description><![CDATA[Programmers with little or no exposure to parallelism have an opportunity to learn about multicore programming at the UPCRC Illinois Summer School to be held July 25-29, 2011 at the University of Illinois at Urbana-Champaign. The week-long, intensive workshop will provide a solid foundation in the fundamentals of multicore programming, offer hands-on experience with the [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=627&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://johntortugo.wordpress.com/2011/06/27/upcrc-illinois-summer-school-on-multicore-programming/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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		<item>
		<title>Segurança em Redes &#8211; FTP Bounce</title>
		<link>http://johntortugo.wordpress.com/2011/06/13/seguranca-em-redes-ftp-bounce/</link>
		<comments>http://johntortugo.wordpress.com/2011/06/13/seguranca-em-redes-ftp-bounce/#comments</comments>
		<pubDate>Mon, 13 Jun 2011 20:30:00 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[ftp]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[network]]></category>
		<category><![CDATA[redes]]></category>
		<category><![CDATA[security]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=622</guid>
		<description><![CDATA[Compartilho com vocês resumo que fiz sobre meus estudos na disciplina de Segurança em Redes ministrada pelo prof. Paulo Lício do IC/UNICAMP. Peço desculpas pela linguagem usada. FTP O protocolo FTP utiliza principalmente as portas 21 e 20 para se comunicar. Dados de controle (comandos) são enviados na conexão estabelecida ao servidor na porta 21 e dados [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=622&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://johntortugo.wordpress.com/2011/06/13/seguranca-em-redes-ftp-bounce/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
	
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			<media:title type="html">johntortugo</media:title>
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		<item>
		<title>Segurança em Redes &#8211; Redes Sem Fio</title>
		<link>http://johntortugo.wordpress.com/2011/06/13/seguranca-em-redes-redes-sem-fio/</link>
		<comments>http://johntortugo.wordpress.com/2011/06/13/seguranca-em-redes-redes-sem-fio/#comments</comments>
		<pubDate>Mon, 13 Jun 2011 20:26:03 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[linux]]></category>
		<category><![CDATA[network]]></category>
		<category><![CDATA[redes]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[segurança]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=619</guid>
		<description><![CDATA[Compartilho com vocês resumo que fiz sobre meus estudos na disciplina de Segurança em Redes ministrada pelo prof. Paulo Lício do IC/UNICAMP. Peço desculpas pela linguagem usada. Meio de transmissão via rádio usando o protocolo IEEE 802.11x. CSMA/CA CSMA/CD -&#62; Ethernet; Todo mundo escuta o sinal; CSMA/CA -&#62; Rádio; Devido a alcance do sinal, algumas [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=619&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://johntortugo.wordpress.com/2011/06/13/seguranca-em-redes-redes-sem-fio/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">johntortugo</media:title>
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		<item>
		<title>Uma breve história dos 20 anos do Linux</title>
		<link>http://johntortugo.wordpress.com/2011/06/03/uma-breve-historia-dos-20-anos-do-linux/</link>
		<comments>http://johntortugo.wordpress.com/2011/06/03/uma-breve-historia-dos-20-anos-do-linux/#comments</comments>
		<pubDate>Fri, 03 Jun 2011 22:23:02 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Linux]]></category>
		<category><![CDATA[hack]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=616</guid>
		<description><![CDATA[<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=616&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://johntortugo.wordpress.com/2011/06/03/uma-breve-historia-dos-20-anos-do-linux/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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			<media:title type="html">johntortugo</media:title>
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		<item>
		<title>Instrumentação de Código &#8211; Pin Project</title>
		<link>http://johntortugo.wordpress.com/2011/05/17/instrumentacao-de-codigo-pin-project/</link>
		<comments>http://johntortugo.wordpress.com/2011/05/17/instrumentacao-de-codigo-pin-project/#comments</comments>
		<pubDate>Wed, 18 May 2011 01:43:30 +0000</pubDate>
		<dc:creator>John</dc:creator>
				<category><![CDATA[Programação]]></category>
		<category><![CDATA[arquitetura]]></category>
		<category><![CDATA[compiladores]]></category>
		<category><![CDATA[linux]]></category>

		<guid isPermaLink="false">http://johntortugo.wordpress.com/?p=613</guid>
		<description><![CDATA[Olá, seguindo a linha de assunto do post anterior hoje eu compartilho com vocês o link para uma ferramenta que eu achei incrivel! Você já se perguntou como uma máquina virtual consegue ler e executar as instruções do programa (compilado!) que você quer emular? Interessante não? O Pin [1] não é exatamente uma máquina virtual [...]<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=johntortugo.wordpress.com&amp;blog=1001915&amp;post=613&amp;subd=johntortugo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
		<wfw:commentRss>http://johntortugo.wordpress.com/2011/05/17/instrumentacao-de-codigo-pin-project/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
	
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