!C99Shell v. 2.0 [PHP 7 Update] [25.02.2019]!

Software: nginx/1.23.4. PHP/5.6.40-65+ubuntu20.04.1+deb.sury.org+1 

uname -a: Linux foro-restaurado-2 5.15.0-1040-oracle #46-Ubuntu SMP Fri Jul 14 21:47:21 UTC 2023
aarch64
 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

Safe-mode: OFF (not secure)

/usr/src/linux-oracle-5.13-headers-5.13.0-1018/arch/mips/include/asm/   drwxr-xr-x
Free 83.22 GB of 96.73 GB (86.04%)
Home    Back    Forward    UPDIR    Refresh    Search    Buffer    Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Feedback    Self remove    Logout    


Viewing file:     switch_to.h (4.32 KB)      -rw-r--r--
Select action/file-type:
(+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 1994, 95, 96, 97, 98, 99, 2003, 06 by Ralf Baechle
 * Copyright (C) 1996 by Paul M. Antoine
 * Copyright (C) 1999 Silicon Graphics
 * Kevin D. Kissell, [email protected] and Carsten Langgaard, [email protected]
 * Copyright (C) 2000 MIPS Technologies, Inc.
 */
#ifndef _ASM_SWITCH_TO_H
#define _ASM_SWITCH_TO_H

#include <asm/cpu-features.h>
#include <asm/watch.h>
#include <asm/dsp.h>
#include <asm/cop2.h>
#include <asm/fpu.h>

struct task_struct;

/**
 * resume - resume execution of a task
 * @prev:    The task previously executed.
 * @next:    The task to begin executing.
 * @next_ti:    task_thread_info(next).
 *
 * This function is used whilst scheduling to save the context of prev & load
 * the context of next. Returns prev.
 */
extern asmlinkage struct task_struct *resume(struct task_struct *prev,
        struct task_struct *next, struct thread_info *next_ti);

extern unsigned int ll_bit;
extern struct task_struct *ll_task;

#ifdef CONFIG_MIPS_MT_FPAFF

/*
 * Handle the scheduler resume end of FPU affinity management.    We do this
 * inline to try to keep the overhead down. If we have been forced to run on
 * a "CPU" with an FPU because of a previous high level of FP computation,
 * but did not actually use the FPU during the most recent time-slice (CU1
 * isn't set), we undo the restriction on cpus_mask.
 *
 * We're not calling set_cpus_allowed() here, because we have no need to
 * force prompt migration - we're already switching the current CPU to a
 * different thread.
 */

#define __mips_mt_fpaff_switch_to(prev)                    \
do {                                    \
    struct thread_info *__prev_ti = task_thread_info(prev);        \
                                    \
    if (cpu_has_fpu &&                        \
        test_ti_thread_flag(__prev_ti, TIF_FPUBOUND) &&        \
        (!(KSTK_STATUS(prev) & ST0_CU1))) {                \
        clear_ti_thread_flag(__prev_ti, TIF_FPUBOUND);        \
        prev->cpus_mask = prev->thread.user_cpus_allowed;    \
    }                                \
    next->thread.emulated_fp = 0;                    \
} while(0)

#else
#define __mips_mt_fpaff_switch_to(prev) do { (void) (prev); } while (0)
#endif

/*
 * Clear LLBit during context switches on MIPSr5+ such that eretnc can be used
 * unconditionally when returning to userland in entry.S.
 */
#define __clear_r5_hw_ll_bit() do {                    \
    if (cpu_has_mips_r5 || cpu_has_mips_r6)                \
        write_c0_lladdr(0);                    \
} while (0)

#define __clear_software_ll_bit() do {                    \
    if (!__builtin_constant_p(cpu_has_llsc) || !cpu_has_llsc)    \
        ll_bit = 0;                        \
} while (0)

/*
 * Check FCSR for any unmasked exceptions pending set with `ptrace',
 * clear them and send a signal.
 */
#ifdef CONFIG_MIPS_FP_SUPPORT
# define __sanitize_fcr31(next)                        \
do {                                    \
    unsigned long fcr31 = mask_fcr31_x(next->thread.fpu.fcr31);    \
    void __user *pc;                        \
                                    \
    if (unlikely(fcr31)) {                        \
        pc = (void __user *)task_pt_regs(next)->cp0_epc;    \
        next->thread.fpu.fcr31 &= ~fcr31;            \
        force_fcr31_sig(fcr31, pc, next);            \
    }                                \
} while (0)
#else
# define __sanitize_fcr31(next)
#endif

/*
 * For newly created kernel threads switch_to() will return to
 * ret_from_kernel_thread, newly created user threads to ret_from_fork.
 * That is, everything following resume() will be skipped for new threads.
 * So everything that matters to new threads should be placed before resume().
 */
#define switch_to(prev, next, last)                    \
do {                                    \
    __mips_mt_fpaff_switch_to(prev);                \
    lose_fpu_inatomic(1, prev);                    \
    if (tsk_used_math(next))                    \
        __sanitize_fcr31(next);                    \
    if (cpu_has_dsp) {                        \
        __save_dsp(prev);                    \
        __restore_dsp(next);                    \
    }                                \
    if (cop2_present) {                        \
        u32 status = read_c0_status();                \
                                    \
        set_c0_status(ST0_CU2);                    \
        if ((KSTK_STATUS(prev) & ST0_CU2)) {            \
            if (cop2_lazy_restore)                \
                KSTK_STATUS(prev) &= ~ST0_CU2;        \
            cop2_save(prev);                \
        }                            \
        if (KSTK_STATUS(next) & ST0_CU2 &&            \
            !cop2_lazy_restore) {                \
            cop2_restore(next);                \
        }                            \
        write_c0_status(status);                \
    }                                \
    __clear_r5_hw_ll_bit();                        \
    __clear_software_ll_bit();                    \
    if (cpu_has_userlocal)                        \
        write_c0_userlocal(task_thread_info(next)->tp_value);    \
    __restore_watch(next);                        \
    (last) = resume(prev, next, task_thread_info(next));        \
} while (0)

#endif /* _ASM_SWITCH_TO_H */

:: Command execute ::

Enter:
 
Select:
 

:: Search ::
  - regexp 

:: Upload ::
 
[ Read-Only ]

:: Make Dir ::
 
[ Read-Only ]
:: Make File ::
 
[ Read-Only ]

:: Go Dir ::
 
:: Go File ::
 

--[ c99shell v. 2.0 [PHP 7 Update] [25.02.2019] maintained by HackingTool | HackingTool | Generation time: 0.0047 ]--