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Diffstat (limited to 'include/asm-generic/syscall.h')
-rw-r--r--include/asm-generic/syscall.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-generic/syscall.h b/include/asm-generic/syscall.h
index 182b039ce5fa..292b412f4e9a 100644
--- a/include/asm-generic/syscall.h
+++ b/include/asm-generic/syscall.h
@@ -118,6 +118,22 @@ void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
unsigned long *args);
/**
+ * syscall_set_arguments - change system call parameter value
+ * @task: task of interest, must be in system call entry tracing
+ * @regs: task_pt_regs() of @task
+ * @args: array of argument values to store
+ *
+ * Changes 6 arguments to the system call.
+ * The first argument gets value @args[0], and so on.
+ *
+ * It's only valid to call this when @task is stopped for tracing on
+ * entry to a system call, due to %SYSCALL_WORK_SYSCALL_TRACE or
+ * %SYSCALL_WORK_SYSCALL_AUDIT.
+ */
+void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
+ const unsigned long *args);
+
+/**
* syscall_get_arch - return the AUDIT_ARCH for the current system call
* @task: task of interest, must be blocked
*