[PATCH v3 00/10] Add jump table support for objtool on LoongArch

From: Tiezhu Yang
Date: Tue Nov 19 2024 - 01:57:09 EST


This series is based on 6.12-rc7, tested with the latest upstream
mainline Binutils, GCC and Clang, most of the patches are aim to
handle the special cases compiled with Clang on LoongArch.

Tiezhu Yang (10):
objtool: Handle various symbol types of rodata
objtool: Handle special cases of dead end insn
objtool: Handle different entry size of rodata
objtool: Handle PC relative relocation type
objtool: Handle unreachable entry of rodata
objtool: Handle unsorted table offset of rodata
objtool/LoongArch: Get each table size of rodata
objtool/LoongArch: Add support for switch table
objtool/LoongArch: Add support for goto table
LoongArch: Enable jump table for objtool

arch/loongarch/Kconfig | 3 +
arch/loongarch/Makefile | 4 +
tools/objtool/arch/loongarch/special.c | 156 ++++++++++++++++++++++++-
tools/objtool/check.c | 68 ++++++++++-
tools/objtool/include/objtool/check.h | 1 +
5 files changed, 226 insertions(+), 6 deletions(-)

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2.42.0