diff options
Diffstat (limited to 'arch/m68k/include/asm/syscall.h')
-rw-r--r-- | arch/m68k/include/asm/syscall.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/syscall.h b/arch/m68k/include/asm/syscall.h new file mode 100644 index 0000000000..d1453e850c --- /dev/null +++ b/arch/m68k/include/asm/syscall.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_M68K_SYSCALL_H +#define _ASM_M68K_SYSCALL_H + +#include <uapi/linux/audit.h> + +#include <asm/unistd.h> + +extern const unsigned long sys_call_table[]; + +static inline int syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->orig_d0; +} + +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->d0 = regs->orig_d0; +} + +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + unsigned long error = regs->d0; + + return IS_ERR_VALUE(error) ? error : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->d0; +} + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + regs->d0 = (long)error ?: val; +} + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned long *args) +{ + args[0] = regs->orig_d0; + args++; + + memcpy(args, ®s->d1, 5 * sizeof(args[0])); +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned long *args) +{ + regs->orig_d0 = args[0]; + args++; + + memcpy(®s->d1, args, 5 * sizeof(args[0])); +} + +static inline int syscall_get_arch(struct task_struct *task) +{ + return AUDIT_ARCH_M68K; +} + +#endif /* _ASM_M68K_SYSCALL_H */ |