vapier 05/06/09 02:40:47 Modified: xml/htdocs/doc/en/handbook/draft pax-utils.xml Log: touchup grammar in a few places, add documentation for the new -T textrel option, and mention the PT_PAX_FLAGS segment
Revision Changes Path 1.4 +20 -11 xml/htdocs/doc/en/handbook/draft/pax-utils.xml file : http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/doc/en/handbook/draft/pax-utils.xml?rev=1.4&content-type=text/x-cvsweb-markup&cvsroot=gentoo plain: http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/doc/en/handbook/draft/pax-utils.xml?rev=1.4&content-type=text/plain&cvsroot=gentoo diff : http://www.gentoo.org/cgi-bin/viewcvs.cgi/xml/htdocs/doc/en/handbook/draft/pax-utils.xml.diff?r1=1.3&r2=1.4&cvsroot=gentoo Index: pax-utils.xml =================================================================== RCS file: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/draft/pax-utils.xml,v retrieving revision 1.3 retrieving revision 1.4 diff -u -r1.3 -r1.4 --- pax-utils.xml 8 Jun 2005 19:24:47 -0000 1.3 +++ pax-utils.xml 9 Jun 2005 02:40:47 -0000 1.4 @@ -1,6 +1,6 @@ <?xml version='1.0' encoding="UTF-8"?> -<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/draft/pax-utils.xml,v 1.3 2005/06/08 19:24:47 swift Exp $ --> +<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/draft/pax-utils.xml,v 1.4 2005/06/09 02:40:47 vapier Exp $ --> <!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> @@ -74,7 +74,9 @@ <p> The structure of such a binary is defined in the ELF standard. ELF stands for <e>Executable and Linkable Format</e>. If you are really interested in the gory -details, check out the <c>elf</c> man page. +details, check out the +<uri link="http://www.linuxbase.org/spec/book/ELF-generic/ELF-generic.html";> +Generic ELF spec</uri> or the <c>elf(5)</c> man page. </p> <p> @@ -118,10 +120,10 @@ <body> <p> -Originally, every application binary contained <e>everything</e> it needed to +Way back when, every application binary contained <e>everything</e> it needed to operate correctly. Such binaries are called <e>statically linked</e> binaries. -They are however space consuming since many applications use the same functions -over and over again. +They are, however, space consuming since different applications use the same +functions over and over again. </p> <p> @@ -237,6 +239,11 @@ <ti>Print NEEDED information</ti> </tr> <tr> + <ti>-T</ti> + <ti>--textrels</ti> + <ti>Identify the cause of TEXTRELs</ti> +</tr> +<tr> <ti>-i</ti> <ti>--interp</ti> <ti>Print INTERP information</ti> @@ -415,7 +422,7 @@ </p> <pre caption="Scanning the entire system for text relocation files"> -# <i>scanelf -tqRmy</i> +# <i>scanelf -qtmyR /</i> </pre> </body> @@ -429,8 +436,10 @@ binary. One of those flags is the type of the segment. Interesting values are PT_LOAD (the segment must be loaded in memory from file), PT_DYNAMIC (the segment contains dynamic linking information), PT_INTERP (the segment -contains the name of the program interpreter) and PT_GNU_STACK (a GNU extension -for the ELF format, used by some stack protection mechanisms). +contains the name of the program interpreter), PT_GNU_STACK (a GNU extension +for the ELF format, used by some stack protection mechanisms), and PT_PAX_FLAGS +(a PaX extension for the ELF format, used by the security-minded +<uri link="http://pax.grsecurity.net/";>PaX Project</uri>. </p> <p> @@ -450,9 +459,9 @@ <body> <p> -A very useful feature of the <c>scanelf</c> utility is the format modifier -handler. With this option you can control the output of <c>scanelf</c> making it -useful for scripting purposes. +A useful feature of the <c>scanelf</c> utility is the format modifier handler. +With this option you can control the output of <c>scanelf</c>, thereby +simplifying parsing the output with scripts. </p> <p> -- [email protected] mailing list
