Revision: 18564
http://sourceforge.net/p/edk2/code/18564
Author: lersek
Date: 2015-09-30 08:53:00 +0000 (Wed, 30 Sep 2015)
Log Message:
-----------
OvmfPkg: set 4 KB section alignment for DXE_RUNTIME_DRIVER modules
Increase the section alignment to 4 KB for DXE_RUNTIME_DRIVER modules.
This allows the OS to map them with tightened permissions (i.e., R-X for
.text and RW- for .data). This is a prerequisite for enabling the
EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA (sic)
feature that was introduced in UEFIv2.5.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <[email protected]>
Reviewed-by: Laszlo Ersek <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Tested-by: Laszlo Ersek <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2015-09-30 04:39:34 UTC (rev 18563)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32.dsc 2015-09-30 08:53:00 UTC (rev 18564)
@@ -44,6 +44,9 @@
MSFT:RELEASE_*_*_CC_FLAGS = /D MDEPKG_NDEBUG
GCC:*_*_*_CC_FLAGS = -mno-mmx -mno-sse
+[BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
+ GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+
################################################################################
#
# SKU Identification section - list of all SKU IDs supported by this Platform.
Modified: trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2015-09-30 04:39:34 UTC (rev
18563)
+++ trunk/edk2/OvmfPkg/OvmfPkgIa32X64.dsc 2015-09-30 08:53:00 UTC (rev
18564)
@@ -48,6 +48,9 @@
GCC:*_*_X64_GENFW_FLAGS = --keepexceptiontable
INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable
!endif
+
+[BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
+ GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
################################################################################
#
Modified: trunk/edk2/OvmfPkg/OvmfPkgX64.dsc
===================================================================
--- trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2015-09-30 04:39:34 UTC (rev 18563)
+++ trunk/edk2/OvmfPkg/OvmfPkgX64.dsc 2015-09-30 08:53:00 UTC (rev 18564)
@@ -49,6 +49,9 @@
INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable
!endif
+[BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
+ GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+
################################################################################
#
# SKU Identification section - list of all SKU IDs supported by this Platform.
------------------------------------------------------------------------------
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