objtool: Detect missing __noreturn annotations

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Most "unreachable instruction" warnings these days seem to actually be
the result of a missing __noreturn annotation.  Add an explicit check
for that.

Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lore.kernel.org/r/6e2b93d8c65eaed6c4166a358269dc0ef01f890c.1681853186.git.jpoimboe@kernel.org
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>

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Josh Poimboeuf 2023-04-18 14:27:50 -07:00

parent ced23d2e37

commit fedb724c3d

2 changed files with 19 additions and 1 deletions

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6

tools/objtool/Documentation/objtool.txt

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14

tools/objtool/check.c

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