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StandaloneMmPkg: Support CLANGPDB builds 

Currently, the flag "-fpie" is passed for all builds with a GCC
family toolchain, including CLANGPDB. CLANGPDB however does not
support this flag as it generates PE/COFF files directly.

As the flag is mostly required for ARM-specific self-relocation, drop
it for other architectures and document the limitation to enable e.g.
X64 CLANGPDB builds of StandaloneMmCore.

Signed-off-by: Marvin Häuser <mhaeuser@posteo.de>
Acked-by: Shi Steven <steven.shi@intel.com>
This commit is contained in:
Marvin Häuser 2021-10-14 19:05:48 +00:00 committed by mergify[bot]
parent f10a112f08
commit 2108698346
2 changed files with 18 additions and 3 deletions
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12
StandaloneMmPkg/Core/StandaloneMmCore.inf
View File

@ -76,6 +76,14 @@
gEfiEventExitBootServicesGuid
gEfiEventReadyToBootGuid
#
# This configuration fails for CLANGPDB, which does not support PIE in the GCC
# sense. Such however is required for ARM family StandaloneMmCore
# self-relocation, and thus the CLANGPDB toolchain is unsupported for ARM and
# AARCH64 for this module.
#
[BuildOptions]
GCC:*_*_*_CC_FLAGS = -fpie
GCC:*_*_*_DLINK_FLAGS = -Wl,-z,text,-Bsymbolic,-pie
GCC:*_*_ARM_CC_FLAGS = -fpie
GCC:*_*_ARM_DLINK_FLAGS = -Wl,-z,text,-Bsymbolic,-pie
GCC:*_*_AARCH64_CC_FLAGS = -fpie
GCC:*_*_AARCH64_DLINK_FLAGS = -Wl,-z,text,-Bsymbolic,-pie

9
StandaloneMmPkg/Library/StandaloneMmCoreEntryPoint/StandaloneMmCoreEntryPoint.inf
View File

@ -54,5 +54,12 @@
[FeaturePcd.ARM, FeaturePcd.AARCH64]
gArmTokenSpaceGuid.PcdFfaEnable
#
# This configuration fails for CLANGPDB, which does not support PIE in the GCC
# sense. Such however is required for ARM family StandaloneMmCore
# self-relocation, and thus the CLANGPDB toolchain is unsupported for ARM and
# AARCH64 for this module.
#
[BuildOptions]
GCC:*_*_*_CC_FLAGS = -fpie
GCC:*_*_ARM_CC_FLAGS = -fpie
GCC:*_*_AARCH64_CC_FLAGS = -fpie