We have a special version of CpuExceptionHandlerLib for XCODE5, whose
linker (LLD) does not permit absolute symbol references in read-only
sections.
Instead of fixing this up at runtime (which is done by writing the fixed
up values to the .text section, which we'd prefer to avoid), pass the
appropriate linker switches to allow these absolute relocations.
Changes since v2:
- pass linker switches to permit absolute relocations in read-only
regions, and keep all code in .text
Cc: Ni, Ray <ray...@intel.com>
Cc: Andrew Fish <af...@apple.com>
Cc: "Kinney, Michael D" <michael.d.kin...@intel.com>
Cc: "Liu, Zhiguang" <zhiguang....@intel.com>
Cc: Rebecca Cran <rebe...@bsdio.com>
Cc: Tom Lendacky <thomas.lenda...@amd.com>
Ard Biesheuvel (6):
BaseTools/tools_def XCODE: Link X64 with -read_only_relocs suppress
BaseTools/tools_def CLANGDWARF: Permit text relocations
UefiCpuPkg/CpuExceptionHandlerLib: Use single SEC/PEI version
UefiCpuPkg/CpuExceptionHandlerLib: Remove needless runtime fixups
OvmfPkg: Drop special Xcode5 version of exception handler library
UefiCpuPkg/CpuExceptionHandlerLib: Drop special XCODE5 version
BaseTools/Conf/tools_def.template
| 8 +-
OvmfPkg/AmdSev/AmdSevX64.dsc
| 4 -
OvmfPkg/CloudHv/CloudHvX64.dsc
| 4 -
OvmfPkg/IntelTdx/IntelTdxX64.dsc
| 4 -
OvmfPkg/Microvm/MicrovmX64.dsc
| 4 -
OvmfPkg/OvmfPkgIa32.dsc
| 4 -
OvmfPkg/OvmfPkgIa32X64.dsc
| 4 -
OvmfPkg/OvmfPkgX64.dsc
| 4 -
OvmfPkg/OvmfXen.dsc
| 4 -
UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeCpuExceptionHandlerLib.inf
| 2 +-
UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf
| 2 +-
UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.inf
| 2 +-
UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmCpuExceptionHandlerLib.inf
| 2 +-
UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ExceptionHandlerAsm.nasm
| 92 ++++++++++++++---
UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/{Xcode5ExceptionHandlerAsm.nasm
=> SecPeiExceptionHandlerAsm.nasm} | 103 +++-----------------
UefiCpuPkg/Library/CpuExceptionHandlerLib/Xcode5SecPeiCpuExceptionHandlerLib.inf
| 65 ------------
UefiCpuPkg/Library/CpuExceptionHandlerLib/Xcode5SecPeiCpuExceptionHandlerLib.uni
| 18 ----
17 files changed, 98 insertions(+), 228 deletions(-)
rename
UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/{Xcode5ExceptionHandlerAsm.nasm
=> SecPeiExceptionHandlerAsm.nasm} (70%)
delete mode 100644
UefiCpuPkg/Library/CpuExceptionHandlerLib/Xcode5SecPeiCpuExceptionHandlerLib.inf
delete mode 100644
UefiCpuPkg/Library/CpuExceptionHandlerLib/Xcode5SecPeiCpuExceptionHandlerLib.uni
--
2.39.2
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#102212): https://edk2.groups.io/g/devel/message/102212
Mute This Topic: https://groups.io/mt/97960759/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
