cregit-Linux how code gets into the kernel

Release 4.14 arch/openrisc/include/asm/syscall.h

/*
 * OpenRISC Linux
 *
 * Linux architectural port borrowing liberally from similar works of
 * others.  All original copyrights apply as per the original source
 * declaration.
 *
 * OpenRISC implementation:
 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
 * et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#ifndef __ASM_OPENRISC_SYSCALL_H__

#define __ASM_OPENRISC_SYSCALL_H__

#include <uapi/linux/audit.h>
#include <linux/err.h>
#include <linux/sched.h>


static inline int syscall_get_nr(struct task_struct *task, struct pt_regs *regs) { return regs->orig_gpr11; }

Contributors

PersonTokensPropCommitsCommitProp
Jonas Bonn22100.00%2100.00%
Total22100.00%2100.00%


static inline void syscall_rollback(struct task_struct *task, struct pt_regs *regs) { regs->gpr[11] = regs->orig_gpr11; }

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PersonTokensPropCommitsCommitProp
Jonas Bonn28100.00%1100.00%
Total28100.00%1100.00%


static inline long syscall_get_error(struct task_struct *task, struct pt_regs *regs) { return IS_ERR_VALUE(regs->gpr[11]) ? regs->gpr[11] : 0; }

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Jonas Bonn37100.00%1100.00%
Total37100.00%1100.00%


static inline long syscall_get_return_value(struct task_struct *task, struct pt_regs *regs) { return regs->gpr[11]; }

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Jonas Bonn25100.00%1100.00%
Total25100.00%1100.00%


static inline void syscall_set_return_value(struct task_struct *task, struct pt_regs *regs, int error, long val) { regs->gpr[11] = (long) error ?: val; }

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PersonTokensPropCommitsCommitProp
Jonas Bonn38100.00%2100.00%
Total38100.00%2100.00%


static inline void syscall_get_arguments(struct task_struct *task, struct pt_regs *regs, unsigned int i, unsigned int n, unsigned long *args) { BUG_ON(i + n > 6); memcpy(args, &regs->gpr[3 + i], n * sizeof(args[0])); }

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PersonTokensPropCommitsCommitProp
Jonas Bonn64100.00%1100.00%
Total64100.00%1100.00%


static inline void syscall_set_arguments(struct task_struct *task, struct pt_regs *regs, unsigned int i, unsigned int n, const unsigned long *args) { BUG_ON(i + n > 6); memcpy(&regs->gpr[3 + i], args, n * sizeof(args[0])); }

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PersonTokensPropCommitsCommitProp
Jonas Bonn65100.00%1100.00%
Total65100.00%1100.00%


static inline int syscall_get_arch(void) { return AUDIT_ARCH_OPENRISC; }

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Eric Paris12100.00%1100.00%
Total12100.00%1100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Jonas Bonn29495.15%266.67%
Eric Paris154.85%133.33%
Total309100.00%3100.00%
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