Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/arch/microblaze/include/asm/syscall.h

Назад
/* SPDX-License-Identifier: GPL-2.0 / #ifndef __ASM_MICROBLAZE_SYSCALL_H #define __ASM_MICROBLAZE_SYSCALL_H #include <uapi/linux/audit.h> #include <linux/kernel.h> #include <linux/sched.h> #include <asm/ptrace.h> / The system call number is given by the user in R12 / static inline long syscall_get_nr(struct task_struct task, struct pt_regs regs) { return regs->r12; } static inline void syscall_rollback(struct task_struct task, struct pt_regs regs) { / TODO. / } static inline long syscall_get_error(struct task_struct task, struct pt_regs regs) { return IS_ERR_VALUE(regs->r3) ? regs->r3 : 0; } static inline long syscall_get_return_value(struct task_struct task, struct pt_regs regs) { return regs->r3; } static inline void syscall_set_return_value(struct task_struct task, struct pt_regs regs, int error, long val) { if (error) regs->r3 = -error; else regs->r3 = val; } static inline microblaze_reg_t microblaze_get_syscall_arg(struct pt_regs regs, unsigned int n) { switch (n) { case 5: return regs->r10; case 4: return regs->r9; case 3: return regs->r8; case 2: return regs->r7; case 1: return regs->r6; case 0: return regs->r5; default: BUG(); } return ~0; } static inline void microblaze_set_syscall_arg(struct pt_regs regs, unsigned int n, unsigned long val) { switch (n) { case 5: regs->r10 = val; case 4: regs->r9 = val; case 3: regs->r8 = val; case 2: regs->r7 = val; case 1: regs->r6 = val; case 0: regs->r5 = val; default: BUG(); } } static inline void syscall_get_arguments(struct task_struct task, struct pt_regs regs, unsigned long args) { unsigned int i = 0; unsigned int n = 6; while (n--) args++ = microblaze_get_syscall_arg(regs, i++); } static inline void syscall_set_arguments(struct task_struct task, struct pt_regs regs, const unsigned long args) { unsigned int i = 0; unsigned int n = 6; while (n--) microblaze_set_syscall_arg(regs, i++, args++); } asmlinkage unsigned long do_syscall_trace_enter(struct pt_regs regs); asmlinkage void do_syscall_trace_leave(struct pt_regs regs); static inline int syscall_get_arch(struct task_struct task) { return AUDIT_ARCH_MICROBLAZE; } #endif /* __ASM_MICROBLAZE_SYSCALL_H */

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