1 | // SPDX-License-Identifier: GPL-2.0+ |
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2 | #include <asm/ptrace.h> |
3 | #include <linux/error-injection.h> |
4 | #include <linux/kprobes.h> |
5 | |
6 | void override_function_with_return(struct pt_regs *regs) |
7 | { |
8 | /* |
9 | * Emulate 'br 14'. 'regs' is captured by kprobes on entry to some |
10 | * kernel function. |
11 | */ |
12 | regs->psw.addr = regs->gprs[14]; |
13 | } |
14 | NOKPROBE_SYMBOL(override_function_with_return); |
15 |