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[ Upstream commit 5da6aea375cde499fdfac3cde4f26df4a840eb9f ]
The current find_{symbol,func}_containing() functions are broken in
the face of overlapping symbols, exactly the case that is needed for a
new ibt/endbr supression.
Import interval_tree_generic.h into the tools tree and convert the
symbol tree to an interval tree to support proper range stabs.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220915111146.330203761@infradead.org
Stable-dep-of: 72567c630d32 ("objtool: Fix weak symbol detection")
Signed-off-by: Sasha Levin <sashal@kernel.org>
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