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fprobe: Pass return address to the handlers

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Pass return address as 'ret_ip' to the fprobe entry and return handlers
so that the fprobe user handler can get the reutrn address without
analyzing arch-dependent pt_regs.

Link: https://lore.kernel.org/all/168507467664.913472.11642316698862778600.stgit@mhiramat.roam.corp.google.com/

Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This commit is contained in:
Masami Hiramatsu (Google)
2023-06-06 21:39:55 +09:00
parent 9561de3a55
commit cb16330d12
8 changed files with 26 additions and 14 deletions
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2
include/linux/rethook.h
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@@ -14,7 +14,7 @@
struct rethook_node;
typedef void (*rethook_handler_t) (struct rethook_node *, void *, struct pt_regs *);
typedef void (*rethook_handler_t) (struct rethook_node *, void *, unsigned long, struct pt_regs *);
/**
* struct rethook - The rethook management data structure.