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/* SPDX-License-Identifier: GPL-2.0 */
/*
* syscall_wrapper.h - powerpc specific wrappers to syscall definitions
*
* Based on arch/{x86,arm64}/include/asm/syscall_wrapper.h
*/
#ifndef __ASM_POWERPC_SYSCALL_WRAPPER_H
#define __ASM_POWERPC_SYSCALL_WRAPPER_H
struct pt_regs;
#define SC_POWERPC_REGS_TO_ARGS(x, ...) \
__MAP(x,__SC_ARGS \
,,regs->gpr[3],,regs->gpr[4],,regs->gpr[5] \
,,regs->gpr[6],,regs->gpr[7],,regs->gpr[8])
#define __SYSCALL_DEFINEx(x, name, ...) \
long sys##name(const struct pt_regs *regs); \
ALLOW_ERROR_INJECTION(sys##name, ERRNO); \
static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)); \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__)); \
long sys##name(const struct pt_regs *regs) \
{ \
return __se_sys##name(SC_POWERPC_REGS_TO_ARGS(x,__VA_ARGS__)); \
} \
static long __se_sys##name(__MAP(x,__SC_LONG,__VA_ARGS__)) \
{ \
long ret = __do_sys##name(__MAP(x,__SC_CAST,__VA_ARGS__)); \
__MAP(x,__SC_TEST,__VA_ARGS__); \
__PROTECT(x, ret,__MAP(x,__SC_ARGS,__VA_ARGS__)); \
return ret; \
} \
static inline long __do_sys##name(__MAP(x,__SC_DECL,__VA_ARGS__))
#define SYSCALL_DEFINE0(sname) \
SYSCALL_METADATA(_##sname, 0); \
long sys_##sname(const struct pt_regs *__unused); \
ALLOW_ERROR_INJECTION(sys_##sname, ERRNO); \
long sys_##sname(const struct pt_regs *__unused)
#define COND_SYSCALL(name) \
long sys_##name(const struct pt_regs *regs); \
long __weak sys_##name(const struct pt_regs *regs) \
{ \
return sys_ni_syscall(); \
}
#endif // __ASM_POWERPC_SYSCALL_WRAPPER_H