LoongArch64: Optimized PC related relocation and added LLVM support#12515
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LoongArch64: Optimized PC related relocation and added LLVM support#12515kilaterlee wants to merge 2 commits intotianocore:masterfrom
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The relocation methods of R_LARCH_PCALA_HI20, R_LARCH_PCALA_LO12, R_LARCH_GOT_PC_HI20 and R_LARCH_GOT_PC_LO12 have been optimized to support cases where HI is not adjacent to LO and where one HI corresponds to multiple LOs. Signed-off-by: Chao Li <[email protected]> Cc: Liming Gao <[email protected]> Cc: Guillermo Antonio Palomino Sosa <[email protected]> Cc: Yuwei Chen <[email protected]> Cc: Poncho Figueroa <[email protected]> Cc: Mike Beaton <[email protected]>
Added LoongArch64 CLANGDWARF compiler support. It requires the LLVM version 22.1.0-rc1 or higher. Signed-off-by: Chao Li <[email protected]> Cc: Liming Gao <[email protected]> Cc: Guillermo Antonio Palomino Sosa <[email protected]> Cc: Yuwei Chen <[email protected]> Cc: Poncho Figueroa <[email protected]> Cc: Mike Beaton <[email protected]>
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Description
Patch1: The relocation methods of R_LARCH_PCALA_HI20, R_LARCH_PCALA_LO12, R_LARCH_GOT_PC_HI20 and R_LARCH_GOT_PC_LO12 have been optimized to support cases where HI is not adjacent to LO and where one HI corresponds to multiple LOs.
Patch2: Added LoongArch64 CLANGDWARF compiler support. It requires the LLVM version 22.1.0-rc1 or higher.
How This Was Tested
Download the LLVM 22.1.0-rc1 or higher, export CLANGDWARF_BIN PATH, and build use:
build -b DEBUG -t CLANGDWARF -a LOONGARCH64 -p OvmfPkg/LoongArchVirt/LoongArchVirtQemu.dscorbuild -b RELEASE -t CLANGDWARF -a LOONGARCH64 -p OvmfPkg/LoongArchVirt/LoongArchVirtQemu.dsc. It should build and run in QEMU.Integration Instructions
N/A.