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objtool: Make static call annotation optional

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As part of making objtool more modular, put the existing static call
code behind a new '--static-call' option.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lkml.kernel.org/r/d59ac57ef3d6d8380cdce20322314c9e2e556750.1650300597.git.jpoimboe@redhat.com
This commit is contained in:
Josh Poimboeuf
2022-04-18 09:50:38 -07:00
committed by Peter Zijlstra
parent 7206447496
commit 26e176896a
5 changed files with 14 additions and 5 deletions
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1
scripts/Makefile.build
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@@ -233,6 +233,7 @@ objtool_args = \
$(if $(CONFIG_RETPOLINE), --retpoline) \
$(if $(CONFIG_SLS), --sls) \
$(if $(CONFIG_STACK_VALIDATION), --stackval) \
$(if $(CONFIG_HAVE_STATIC_CALL_INLINE), --static-call) \
$(if $(CONFIG_X86_SMAP), --uaccess) \
$(if $(part-of-module), --module) \
$(if $(CONFIG_GCOV_KERNEL), --no-unreachable)

5
scripts/link-vmlinux.sh
View File

@@ -141,11 +141,14 @@ objtool_link()
objtoolopt="${objtoolopt} --stackval"
fi
if is_enabled CONFIG_HAVE_STATIC_CALL_INLINE; then
objtoolopt="${objtoolopt} --static-call"
fi
if is_enabled CONFIG_X86_SMAP; then
objtoolopt="${objtoolopt} --uaccess"
fi
objtoolopt="${objtoolopt} --lto"
fi