5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
17 lines
470 B
C
17 lines
470 B
C
// SPDX-License-Identifier: GPL-2.0+
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#include <linux/error-injection.h>
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#include <linux/kprobes.h>
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#include <linux/uaccess.h>
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void override_function_with_return(struct pt_regs *regs)
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{
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/*
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* Emulate 'blr'. 'regs' represents the state on entry of a predefined
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* function in the kernel/module, captured on a kprobe. We don't need
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* to worry about 32-bit userspace on a 64-bit kernel.
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*/
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regs->nip = regs->link;
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}
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NOKPROBE_SYMBOL(override_function_with_return);
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