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Ard Biesheuvel 64a910f3da BaseTools: AArch64: use explicit linker scripts 
Instead of relying on the builtin linker script of GNU ld, which
may vary based on binutils version (which is not tightly coupled to
the GCC version) and linker command line options, introduce a linker
script for AArch64 to be used by all GCC/binutils versions.

The script is laid out such that two ELF sections .text and .data are
created that map onto the PE/COFF with the same names. By aligning
.data to the minimum alignment of .text, and by not adding any
additional padding -which is what LD's builtin linker script does- the
relative offset between .text and .data is retained after the PE/COFF
conversion. This should prevent problems with debuggers and other
tooling that are ELF based.

Also provided is an overlay linker script that increases the alignment
of .text and .data to 64 KB. This is intended for DXE_RUNTIME_DRIVER
modules, to make them compatible with the newly introduced
Properties Table feature.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Olivier Martin <Olivier.Martin@arm.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17824 6f19259b-4bc3-4df7-8a09-765794883524
 		2015-07-06 15:57:50 +00:00
..
XMLSchema Sync BaseTool trunk (version r2649) into EDKII BaseTools. 2014-01-27 05:23:15 +00:00
Empty_Package_Information_Data_File.ini Sync BaseTools Branch (version r2271) to EDKII main trunk. 2011-08-26 07:46:26 +00:00
FrameworkDatabase.template Sync EDKII BaseTools to BaseTools project r1971 2010-05-18 05:04:32 +00:00
ReadMe.txt Restoring $WORKSPACE/BaseTools location, as the plan is to deprecate 2007-10-17 01:54:36 +00:00
build_rule.template BaseTools: Append FILE_GUID to BaseName. 2015-06-10 07:50:59 +00:00
target.template Sync BaseTool trunk (version r2599) into EDKII BaseTools. 2013-08-23 02:18:16 +00:00
tools_def.template BaseTools: AArch64: use explicit linker scripts 2015-07-06 15:57:50 +00:00

ReadMe.txt

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This directory contains the template files for the next generation of the
EDK II Build infrastructure.  These files will be copied into the WORKSPACE's
Conf directory if and only if the target files do not exist.

These files may be updated frequently.

The XMLSchema directory contains the EDK II Packaging XML definitions.  The
schema may change in the future.  It differs somewhat from the early versions
of the XML Schema.