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authorMasami Hiramatsu (Google) <[email protected]>2023-06-06 21:39:55 +0900
committerMasami Hiramatsu (Google) <[email protected]>2023-06-06 21:39:55 +0900
commitcb16330d12741f6dae56aad5acf62f5be3a06c4e (patch)
tree989f603fa2a1d02a0e12fc411435337102f45e8b /include/linux
parent9561de3a55bed6bdd44a12820ba81ec416e705a7 (diff)
fprobe: Pass return address to the handlers
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) <[email protected]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/fprobe.h6
-rw-r--r--include/linux/rethook.h2
2 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/fprobe.h b/include/linux/fprobe.h
index 47fefc7f363b..134f0f59ffa8 100644
--- a/include/linux/fprobe.h
+++ b/include/linux/fprobe.h
@@ -35,9 +35,11 @@ struct fprobe {
int nr_maxactive;
int (*entry_handler)(struct fprobe *fp, unsigned long entry_ip,
- struct pt_regs *regs, void *entry_data);
+ unsigned long ret_ip, struct pt_regs *regs,
+ void *entry_data);
void (*exit_handler)(struct fprobe *fp, unsigned long entry_ip,
- struct pt_regs *regs, void *entry_data);
+ unsigned long ret_ip, struct pt_regs *regs,
+ void *entry_data);
};
/* This fprobe is soft-disabled. */
diff --git a/include/linux/rethook.h b/include/linux/rethook.h
index c8ac1e5afcd1..fdf26cd0e742 100644
--- a/include/linux/rethook.h
+++ b/include/linux/rethook.h
@@ -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.