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objtool: Refactor ORC section generation

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commit ab4e0744e99b87e1a223e89fc3c9ae44f727c9a6 upstream.

Decouple ORC entries from instructions.  This simplifies the
control/data flow, and is going to make it easier to support alternative
instructions which change the stack layout.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Josh Poimboeuf
2020-12-17 15:02:42 -06:00
committed by Greg Kroah-Hartman
parent dd87aa5f61
commit 1d516bd72a
7 changed files with 146 additions and 165 deletions
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7
tools/objtool/weak.c
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@@ -25,12 +25,7 @@ int __weak orc_dump(const char *_objname)
UNSUPPORTED("orc");
}
int __weak create_orc(struct objtool_file *file)
{
UNSUPPORTED("orc");
}
int __weak create_orc_sections(struct objtool_file *file)
int __weak orc_create(struct objtool_file *file)
{
UNSUPPORTED("orc");
}