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

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Message-ID: <20241119065655.21123-1-yangtiezhu@loongson.cn>
Date: Tue, 19 Nov 2024 14:56:45 +0800
From: Tiezhu Yang <yangtiezhu@...ngson.cn>
To: Huacai Chen <chenhuacai@...nel.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Cc: loongarch@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 00/10] Add jump table support for objtool on LoongArch

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(-)

-- 
2.42.0