Messages in this thread | | | From | Tiezhu Yang <> | Subject | [PATCH v3 0/8] Add objtool and orc support for LoongArch | Date | Fri, 20 Oct 2023 10:26:53 +0800 |
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This version is based on the latest torvalds/linux.git (20231020) which includes the commit 00c2ca84c680 ("LoongArch: Use SYM_CODE_* to annotate exception handlers"), tested with the latest upstream gcc and binutils (20231009).
v3: -- Use tab for indentation in special.h -- Replace BP/bp with FP/fp -- Modify jirl decoder to handle special case in hibernate_asm.o -- Remove the calling of bswap_if_needed() which always return false -- Remove OBJECT_FILES_NON_STANDARD_suspend_asm.o -- Remove check of assembler version in Makefile -- Remove UNWIND_HINT_EMPTY in kernel_entry -- Put unwind_init() after cpu_probe() -- Remove CONFIG_BPF_JIT_ALWAYS_ON in defconfig -- Rename title of patch #8 to "Add ORC stack unwinder support" -- Fix build error of scripts/sorttable.h reported by test robot -- Add exception_table[] to save exception handlers
Tiezhu Yang (8): objtool/LoongArch: Enable objtool to be built objtool/LoongArch: Implement instruction decoder objtool/x86: Separate arch-specific and generic parts objtool/LoongArch: Enable orc to be built objtool: Check local label about sibling call objtool: Check local label in add_dead_ends() objtool: Check local label in read_unwind_hints() LoongArch: Add ORC stack unwinder support
arch/loongarch/Kconfig | 2 + arch/loongarch/Kconfig.debug | 11 + arch/loongarch/Makefile | 18 + arch/loongarch/include/asm/Kbuild | 1 + arch/loongarch/include/asm/bug.h | 1 + arch/loongarch/include/asm/exception.h | 2 + arch/loongarch/include/asm/module.h | 7 + arch/loongarch/include/asm/orc_header.h | 19 + arch/loongarch/include/asm/orc_lookup.h | 34 ++ arch/loongarch/include/asm/orc_types.h | 58 +++ arch/loongarch/include/asm/stackframe.h | 3 + arch/loongarch/include/asm/unwind.h | 22 +- arch/loongarch/include/asm/unwind_hints.h | 28 ++ arch/loongarch/kernel/Makefile | 3 + arch/loongarch/kernel/entry.S | 5 + arch/loongarch/kernel/genex.S | 4 + arch/loongarch/kernel/module.c | 11 +- arch/loongarch/kernel/relocate_kernel.S | 2 + arch/loongarch/kernel/setup.c | 2 + arch/loongarch/kernel/stacktrace.c | 1 + arch/loongarch/kernel/traps.c | 44 +- arch/loongarch/kernel/unwind_orc.c | 522 +++++++++++++++++++++ arch/loongarch/kernel/vmlinux.lds.S | 3 + arch/loongarch/lib/Makefile | 2 + arch/loongarch/mm/tlb.c | 27 +- arch/loongarch/mm/tlbex.S | 9 + arch/loongarch/vdso/Makefile | 1 + include/linux/compiler.h | 9 + scripts/Makefile | 7 +- tools/arch/loongarch/include/asm/inst.h | 161 +++++++ tools/arch/loongarch/include/asm/orc_types.h | 58 +++ tools/include/linux/bitops.h | 11 + tools/objtool/Makefile | 4 + tools/objtool/arch/loongarch/Build | 3 + tools/objtool/arch/loongarch/decode.c | 352 ++++++++++++++ .../objtool/arch/loongarch/include/arch/cfi_regs.h | 22 + tools/objtool/arch/loongarch/include/arch/elf.h | 30 ++ .../objtool/arch/loongarch/include/arch/special.h | 33 ++ tools/objtool/arch/loongarch/orc.c | 171 +++++++ tools/objtool/arch/loongarch/special.c | 15 + tools/objtool/arch/x86/Build | 1 + tools/objtool/arch/x86/orc.c | 188 ++++++++ tools/objtool/check.c | 118 +++-- tools/objtool/include/objtool/orc.h | 14 + tools/objtool/orc_dump.c | 69 +-- tools/objtool/orc_gen.c | 113 +---- 46 files changed, 1964 insertions(+), 257 deletions(-) create mode 100644 arch/loongarch/include/asm/orc_header.h create mode 100644 arch/loongarch/include/asm/orc_lookup.h create mode 100644 arch/loongarch/include/asm/orc_types.h create mode 100644 arch/loongarch/include/asm/unwind_hints.h create mode 100644 arch/loongarch/kernel/unwind_orc.c create mode 100644 tools/arch/loongarch/include/asm/inst.h create mode 100644 tools/arch/loongarch/include/asm/orc_types.h create mode 100644 tools/objtool/arch/loongarch/Build create mode 100644 tools/objtool/arch/loongarch/decode.c create mode 100644 tools/objtool/arch/loongarch/include/arch/cfi_regs.h create mode 100644 tools/objtool/arch/loongarch/include/arch/elf.h create mode 100644 tools/objtool/arch/loongarch/include/arch/special.h create mode 100644 tools/objtool/arch/loongarch/orc.c create mode 100644 tools/objtool/arch/loongarch/special.c create mode 100644 tools/objtool/arch/x86/orc.c create mode 100644 tools/objtool/include/objtool/orc.h
-- 2.1.0
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