Re: Defining a section

[andy at softbook dot com]

If  you're gonna  be using gcc why not define the section in a linker script?
Placing anything but C code in a .c file seems morally repugnant to me :-))
Andy


>Hi,
>	I am currently working on an embedded project that is being ported
>from using a
>Dib compiler to the GNU-GCC compiler.  My question stems from a pragma that
>is
>supported by the Diab compiler that I have been unable to locate a similar
>method in
>the GCC compiler.  The Diab compiler pragma defines a section as a part of a
>C source
>code file.  There is a subsequent pragma from the Diab compiler that forces
>the data
>following the pragma to be placed into this newly defined section.  I have
>located the
>attribute to use during variable definition to force the data to be located
>into the section
>that is defined in the variable definition.  My question is how do I define
>a section in a
>C code source file?  The following source code snippet is giving me
>difficulty.
>
>
>#ifdef GNU
>Persistent_t gPersistentWork __attribute__ ((section (".persistentWData")));
>#else
>// place the working persistent data in a reserved memory area that
>// is equal in size as the persistent sector in flash
>#pragma section persistWork "" ".persistentWData" far-data RW
>
>// Declare working copy of persistent data
>#pragma use_section persistWork gPersistentWork
>Persistent_t gPersistentWork;
>#endif
>
>
>The section .persistentWData is handled in my linker script file.
>
>Respectfully,
>Rodney Bryant