These scripts all now have the same contents, so we only need to use
GccBase.lds. Therefore we can delete gcc-4K-align-ld-script,
gcc4.4-ld-script and gcc4.9-ld-script.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18142 6f19259b-4bc3-4df7-8a09-765794883524
Now that we moved all users to the unified GCC linker script, remove
the old 64 KB incremental linker script for AARCH64 since it is now
unused.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18141 6f19259b-4bc3-4df7-8a09-765794883524
Drop the GCC AARCH64 specific linker script and use the new
unified one instead.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18138 6f19259b-4bc3-4df7-8a09-765794883524
All AutoGen.obj files consist of global GUID definitions, fixed
and patchable PCDs and other data that is essentially read-only at
runtime but has not been declared as such for various reasons.
By moving these contents to .text we achieve two things:
- global GUIDs and other data items which must be constant for correct
program operation can no longer be modified, for instance, when
running a DXE_RUNTIME_MODULE binary under the OS with the Properties
Table feature for memory protection enabled;
- the .data section becomes smaller, and may be dropped completely for
many XIP modules, which reduces wasted FV space if the PE/COFF section
alignment is large.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18137 6f19259b-4bc3-4df7-8a09-765794883524
Now that GenFw honors the ELF section alignment when placing the
PE/COFF sections in the output, the start of the PE/COFF version of
.data will be aligned to the alignment of .text if its alignment is
higher than the default. So duplicate this behavior in the ELF output,
this will make the memory layout of the PE/COFF binary match the
layout of the ELF version more closely.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18136 6f19259b-4bc3-4df7-8a09-765794883524
This unifies all GCC linker scripts into a single parametrised GCC
linker script that can be used for all GCC versions and architectures.
The two parameters that can be set on the linker command line are:
- PECOFF_HEADER_SIZE, this is a build time property of GenFw, but
its value is different between 32-bit and 64-bit;
- common-page-size, this can be set using -z on the ld command line,
and controls the value of the COMMONPAGESIZE constant when used in
a linker script. This value is used for the minimum section alignment.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
Tested-by: Leif Lindholm <leif.lindholm@linaro.org>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18135 6f19259b-4bc3-4df7-8a09-765794883524
Instead of hardcoding the values for the PE/COFF header size and the
section alignment, set them on the linker command line. This factors
out these values from the various linker scripts, which will allow us
to unify them in a subsequent patch.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18134 6f19259b-4bc3-4df7-8a09-765794883524
Move the .got contents to the PE/COFF .text section. This should be
a no-op, since we typically don't generate position independent code
(i.e., using -fPIC). But since the GOT contains variable addresses that
are updated at relocation time only, its contents are best kept in .text
to prevent them from being overwritten inadvertently.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18133 6f19259b-4bc3-4df7-8a09-765794883524
There is no need to pad out the end of a section of the start of
the following section is aligned to the same value. So drop the
redundant ALIGN() statements.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18132 6f19259b-4bc3-4df7-8a09-765794883524
The .rodata ELF section contains constant non-executable data that
should never be modified by the program itself. Since the risk of
inadvertent modification is typically higher than the risk of
inadvertent execution, it makes sense to put this data in the
R-X .text section rather than in the RW- .data section.
So move it there.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18131 6f19259b-4bc3-4df7-8a09-765794883524
The NOP padding in the GCC linker scripts ensures that all empty
regions in the ELF binary are filled with x86 NOP instructions.
There is no upside to doing this: if the CPU ends up executing these
instructions, we have little hope of resuming normal execution of the
program anyway. And having NOP slides in memory only makes it easier
for attackers to launch exploits. So remove them.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Tested-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18130 6f19259b-4bc3-4df7-8a09-765794883524
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
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>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17802 6f19259b-4bc3-4df7-8a09-765794883524
2. Generate correct HII data offset.
3. Fixed a bug for incorrect PCD value used in conditional statement.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Yingke Liu <yingke.d.liu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16784 6f19259b-4bc3-4df7-8a09-765794883524
This script is intended to assist with MASM to NASM syntax
conversions.
The output should be manually inspected and adjusted as needed, since
this script does not provide a perfect conversion.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Acked-by: Yingke D Liu <yingke.d.liu@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16285 6f19259b-4bc3-4df7-8a09-765794883524
This changes includes new scripts that breaks out some of the functionality in edksetup.bat and eliminates calling the toolsetup.bat file in BaseTools directory.
Edk2Setup.bat is to be used for testing. If no bugs are reported by the end of September, 2014, the file will be renamed to edksetup.bat.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: lhauch <larry.hauch@intel.com>
Reviewed-by: Gao, Liming <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15867 6f19259b-4bc3-4df7-8a09-765794883524
GCC 4.9 may use 64-byte (0x40) alignment for data sections.
Therefore we use a different link script for GCC 4.9. The only
difference from the gcc4.4-ld-script is the alignment for data
sections.
When using the GCC48 toolchain with GCC 4.9, this error would be
encountered by GenFw:
> GenFw: ERROR 3000: Invalid
> Unsupported section alignment.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Yingke Liu <yingke.d.liu@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15697 6f19259b-4bc3-4df7-8a09-765794883524
Ard Biesheuvel
Jordan Justen
Yingke Liu
lhauch
Liming Gao
lgao4