1 /* SPDX-License-Identifier: GPL-2.0-only */
12 typedef long (*syscall_fn_t)(const struct pt_regs *regs);
21 				 struct pt_regs *regs)  in syscall_get_nr()  argument
23 	return regs->syscallno;  in syscall_get_nr()
27 				    struct pt_regs *regs)  in syscall_rollback()  argument
29 	regs->regs[0] = regs->orig_x0;  in syscall_rollback()
33 					    struct pt_regs *regs)  in syscall_get_return_value()  argument
35 	unsigned long val = regs->regs[0];  in syscall_get_return_value()
44 				     struct pt_regs *regs)  in syscall_get_error()  argument
46 	unsigned long error = syscall_get_return_value(task, regs);  in syscall_get_error()
52 					    struct pt_regs *regs,  in syscall_set_return_value()  argument
61 	regs->regs[0] = val;  in syscall_set_return_value()
67 					 struct pt_regs *regs,  in syscall_get_arguments()  argument
70 	args[0] = regs->orig_x0;  in syscall_get_arguments()
73 	memcpy(args, &regs->regs[1], 5 * sizeof(args[0]));  in syscall_get_arguments()
78  * AArch64 has the same system calls both on little- and big- endian.
88 int syscall_trace_enter(struct pt_regs *regs);
89 void syscall_trace_exit(struct pt_regs *regs);