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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/csky/kernel/probes/kprobes_trampoline.S
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/csky/kernel/probes/kprobes_trampoline.S')
-rw-r--r--arch/csky/kernel/probes/kprobes_trampoline.S19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/csky/kernel/probes/kprobes_trampoline.S b/arch/csky/kernel/probes/kprobes_trampoline.S
new file mode 100644
index 000000000..ba48ad04a
--- /dev/null
+++ b/arch/csky/kernel/probes/kprobes_trampoline.S
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+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#include <linux/linkage.h>
+
+#include <abi/entry.h>
+
+ENTRY(__kretprobe_trampoline)
+ SAVE_REGS_FTRACE
+
+ mov a0, sp /* pt_regs */
+
+ jbsr trampoline_probe_handler
+
+ /* use the result as the return-address */
+ mov lr, a0
+
+ RESTORE_REGS_FTRACE
+ rts
+ENDPROC(__kretprobe_trampoline)