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| author | Peter Zijlstra <[email protected]> | 2022-07-11 11:49:50 +0200 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2022-10-17 16:41:09 +0200 |
| commit | 5a9c361a416fc3a3301e859ff09587cc1b933eb8 (patch) | |
| tree | cc1572f643b40cec4b71b30c044b4fe82e9d9859 /lib/mpi/mpi-sub-ui.c | |
| parent | dbcdbdfdf137b49144204571f1a5e5dc01b8aaad (diff) | |
objtool: Allow STT_NOTYPE -> STT_FUNC+0 sibling-calls
Teach objtool about STT_NOTYPE -> STT_FUNC+0 sibling calls. Doing do
allows slightly simpler .S files.
There is a slight complication in that we specifically do not want to
allow sibling calls from symbol holes (previously covered by STT_WEAK
symbols) -- such things exist where a weak function has a .cold
subfunction for example.
Additionally, STT_NOTYPE tail-calls are allowed to happen with a
modified stack frame, they don't need to obey the normal rules after
all.
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Diffstat (limited to 'lib/mpi/mpi-sub-ui.c')
0 files changed, 0 insertions, 0 deletions