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linux/tools/objtool
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Josh Poimboeuf 327f789de7 objtool: Fix Clang jump table detection 
[ Upstream commit 4e50192164 ]

With Clang, there can be a conditional forward jump between the load of
the jump table address and the indirect branch.

Fixes the following warning:

  vmlinux.o: warning: objtool: ___bpf_prog_run+0x1c5: sibling call from callable instruction with modified stack frame

Reported-by: Arnd Bergmann <arnd@arndb.de>
Closes: https://lore.kernel.org/a426d669-58bb-4be1-9eaa-6f3d83109e2d@app.fastmail.com
Link: https://patch.msgid.link/7d8600caed08901b6679767488acd639f6df9688.1773071992.git.jpoimboe@kernel.org
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2026-04-18 10:33:29 +02:00
..
arch/x86 objtool/x86: Fix SRSO mess 2023-08-30 16:18:10 +02:00
Documentation objtool: Support stack layout changes in alternatives 2021-01-14 09:53:54 -06:00
include/objtool objtool/x86: Fix SRSO mess 2023-08-30 16:18:10 +02:00
.gitignore objtool: Rework header include paths 2021-01-13 18:13:14 -06:00
Build objtool: Enable compilation of objtool for all architectures 2020-05-20 09:17:28 -05:00
builtin-check.c x86/retbleed: Add fine grained Kconfig knobs 2022-07-23 12:54:10 +02:00
builtin-orc.c objtool: Collate parse_options() users 2021-03-06 12:44:23 +01:00
check.c objtool: Fix Clang jump table detection 2026-04-18 10:33:29 +02:00
elf.c objtool: Preserve special st_shndx indexes in elf_update_symbol 2022-10-26 12:34:37 +02:00
Makefile kbuild: Allow kernel installation packaging to override pkg-config 2023-02-01 08:27:30 +01:00
objtool.c x86,objtool: Create .return_sites 2022-07-23 12:53:58 +02:00
orc_dump.c x86/unwind/orc: Change REG_SP_INDIRECT 2021-02-10 20:53:51 +01:00
orc_gen.c objtool: Introduce CFI hash 2022-07-23 12:53:51 +02:00
special.c objtool,x86: Replace alternatives with .retpoline_sites 2022-07-23 12:53:51 +02:00
sync-check.sh Merge branch 'x86/cpu' into WIP.x86/core, to merge the NOP changes & resolve a semantic conflict 2021-04-02 12:36:30 +02:00
weak.c objtool: Refactor ORC section generation 2021-01-14 09:53:42 -06:00