ELFIO/web/htdocs/x35.htm

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<HTML
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>ELF File Sections</TITLE
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>ELFIO: Tutorial</TH
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>Chapter 1. Getting Started With ELFIO</TD
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>ELF File Sections</A
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>
<P
> ELF binary files consist of several sections. Each section has it's own
responsibility: some contain executable code; others describe program dependencies;
others symbol tables and so on. See the TIS documentation for a full description of each section.
</P
>
<P
> To see how many sections the ELF file contains, including their
names and sizes, is demonstated in the following code:
<PRE
CLASS="PROGRAMLISTING"
> int nSecNo = pReader-&#62;GetSectionsNum();
for ( int i = 0; i &#60; nSecNo; ++i ) { // For all sections
const IELFISection* pSec = pReader-&#62;GetSection( i );
std::cout &#60;&#60; pSec-&#62;GetName() &#60;&#60; '' ''
&#60;&#60; pSec-&#62;GetSize() &#60;&#60; std::endl;
pSec-&#62;Release();
}</PRE
>
</P
>
<P
> First, the number of sections are received; next, a pointer
on the <FONT
COLOR="RED"
>IELFISection</FONT
> interface. Using this interface,
access is gained to the different section attributes: size, type, flags and address.
To get a buffer that contains the section's bytes use the
<TT
CLASS="METHODNAME"
>GetData()</TT
> member function of this interface.
See the <FONT
COLOR="RED"
>IELFISection</FONT
> declaration for a full
description of the <FONT
COLOR="RED"
>IELFISection</FONT
> interface.
</P
>
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