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author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-22 10:22:45 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-03-22 10:22:45 -0700 |
commit | 1e3cd03c54b76b4cbc8b31256dc3f18c417a6876 (patch) | |
tree | 6c7f793b4bbc2f063e289230e1527cd45245b908 /tools/objtool/arch/loongarch/include/arch/elf.h | |
parent | 4f55aa85a8746e5e255c46c98c031e143605e2a0 (diff) | |
parent | fea1c949f6ca5059e12de00d0483645debc5b206 (diff) | |
download | linux-1e3cd03c54b76b4cbc8b31256dc3f18c417a6876.tar.gz |
Merge tag 'loongarch-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Add objtool support for LoongArch
- Add ORC stack unwinder support for LoongArch
- Add kernel livepatching support for LoongArch
- Select ARCH_HAS_CURRENT_STACK_POINTER in Kconfig
- Select HAVE_ARCH_USERFAULTFD_MINOR in Kconfig
- Some bug fixes and other small changes
* tag 'loongarch-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch/crypto: Clean up useless assignment operations
LoongArch: Define the __io_aw() hook as mmiowb()
LoongArch: Remove superfluous flush_dcache_page() definition
LoongArch: Move {dmw,tlb}_virt_to_page() definition to page.h
LoongArch: Change __my_cpu_offset definition to avoid mis-optimization
LoongArch: Select HAVE_ARCH_USERFAULTFD_MINOR in Kconfig
LoongArch: Select ARCH_HAS_CURRENT_STACK_POINTER in Kconfig
LoongArch: Add kernel livepatching support
LoongArch: Add ORC stack unwinder support
objtool: Check local label in read_unwind_hints()
objtool: Check local label in add_dead_ends()
objtool/LoongArch: Enable orc to be built
objtool/x86: Separate arch-specific and generic parts
objtool/LoongArch: Implement instruction decoder
objtool/LoongArch: Enable objtool to be built
Diffstat (limited to 'tools/objtool/arch/loongarch/include/arch/elf.h')
-rw-r--r-- | tools/objtool/arch/loongarch/include/arch/elf.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/objtool/arch/loongarch/include/arch/elf.h b/tools/objtool/arch/loongarch/include/arch/elf.h new file mode 100644 index 00000000000000..9623d663220eff --- /dev/null +++ b/tools/objtool/arch/loongarch/include/arch/elf.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _OBJTOOL_ARCH_ELF_H +#define _OBJTOOL_ARCH_ELF_H + +/* + * See the following link for more info about ELF Relocation types: + * https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_relocations + */ +#ifndef R_LARCH_NONE +#define R_LARCH_NONE 0 +#endif +#ifndef R_LARCH_32 +#define R_LARCH_32 1 +#endif +#ifndef R_LARCH_64 +#define R_LARCH_64 2 +#endif +#ifndef R_LARCH_32_PCREL +#define R_LARCH_32_PCREL 99 +#endif + +#define R_NONE R_LARCH_NONE +#define R_ABS32 R_LARCH_32 +#define R_ABS64 R_LARCH_64 +#define R_DATA32 R_LARCH_32_PCREL +#define R_DATA64 R_LARCH_32_PCREL +#define R_TEXT32 R_LARCH_32_PCREL +#define R_TEXT64 R_LARCH_32_PCREL + +#endif /* _OBJTOOL_ARCH_ELF_H */ |