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fPIC with alignment
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Elf Elf
over 7 years ago
Note: This was originally posted on 18th July 2012 at http://forums.arm.com
Hi
I am trying to create a PIC elf image with --apcs=/fpic compiler option and --fpic linker option. It creates a PIC image alright with different load regions for code and data, but I would like to have them 4K aligned so that I can map those with appropriate RX and RW permissions. Any idea how can force the alignment?
Thanks in advance.
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Offline
Peter Harris
over 7 years ago
Note: This was originally posted on 18th July 2012 at
http://forums.arm.com
With the ARM tools this is achieved using the scatter loader:
http://infocenter.arm.com/help/topic/com.arm.doc.dui0474g/CHDIEAJD.html
For GNU tools you'll need to create a linker script (similar concept the ARM scatter loading scripts, but different syntax)
http://www.delorie.com/gnu/docs/binutils/ld_6.html
HTH,
Iso
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Peter Harris
over 7 years ago
Note: This was originally posted on 18th July 2012 at
http://forums.arm.com
With the ARM tools this is achieved using the scatter loader:
http://infocenter.arm.com/help/topic/com.arm.doc.dui0474g/CHDIEAJD.html
For GNU tools you'll need to create a linker script (similar concept the ARM scatter loading scripts, but different syntax)
http://www.delorie.com/gnu/docs/binutils/ld_6.html
HTH,
Iso
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