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twx-linux/include/linux
Jiaxun Yang 94691bddb3 ptrace: Introduce exception_ip arch hook
[ Upstream commit 11ba1728be ]

On architectures with delay slot, architecture level instruction
pointer (or program counter) in pt_regs may differ from where
exception was triggered.

Introduce exception_ip hook to invoke architecture code and determine
actual instruction pointer to the exception.

Link: https://lore.kernel.org/lkml/00d1b813-c55f-4365-8d81-d70258e10b16@app.fastmail.com/
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Stable-dep-of: 8fa5070833 ("mm/memory: Use exception ip to search exception tables")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-23 09:51:28 +01:00
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