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commit 20c8aa681d97f5ab8a8f374b23339777b1dc4353
Author: John Baldwin <jhb@FreeBSD.org>
Date: Tue Mar 22 12:05:43 2022 -0700
fbsd-nat: Add helper routine to fetch siginfo_t for a ptid.
(cherry picked from commit 6719bc690e2829c50d3d3bb22ede1324e5baa12a)
diff --git a/gdb/fbsd-nat.c b/gdb/fbsd-nat.c
index 6d76c8234d5..51234eaa6c9 100644
--- gdb/fbsd-nat.c
+++ gdb/fbsd-nat.c
@@ -1766,6 +1766,22 @@ fbsd_nat_target::store_register_set (struct regcache *regcache, int regnum,
return false;
}
+/* See fbsd-nat.h. */
+
+bool
+fbsd_nat_get_siginfo (ptid_t ptid, siginfo_t *siginfo)
+{
+ struct ptrace_lwpinfo pl;
+ pid_t pid = get_ptrace_pid (ptid);
+
+ if (ptrace (PT_LWPINFO, pid, (caddr_t) &pl, sizeof pl) == -1)
+ return false;
+ if (!(pl.pl_flags & PL_FLAG_SI))
+ return false;;
+ *siginfo = pl.pl_siginfo;
+ return (true);
+}
+
void _initialize_fbsd_nat ();
void
_initialize_fbsd_nat ()
diff --git a/gdb/fbsd-nat.h b/gdb/fbsd-nat.h
index 2f17be5a8f0..d7c8eb81e96 100644
--- gdb/fbsd-nat.h
+++ gdb/fbsd-nat.h
@@ -166,4 +166,8 @@ class fbsd_nat_target : public inf_ptrace_target
}
};
+/* Fetch the signal information for PTID and store it in *SIGINFO.
+ Return true if successful. */
+bool fbsd_nat_get_siginfo (ptid_t ptid, siginfo_t *siginfo);
+
#endif /* fbsd-nat.h */
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