900 lines
22 KiB
ArmAsm
900 lines
22 KiB
ArmAsm
/*
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* Copyright (C) 2000-2003 Axis Communications AB
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*
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* Authors: Bjorn Wesen (bjornw@axis.com)
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* Tobias Anderberg (tobiasa@axis.com), CRISv32 port.
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*
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* Code for the system-call and fault low-level handling routines.
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*
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* NOTE: This code handles signal-recognition, which happens every time
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* after a timer-interrupt and after each system call.
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*
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* Stack layout in 'ret_from_system_call':
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* ptrace needs to have all regs on the stack.
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* if the order here is changed, it needs to be
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* updated in fork.c:copy_process, signal.c:do_signal,
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* ptrace.c and ptrace.h
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*
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*/
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#include <linux/linkage.h>
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#include <linux/sys.h>
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#include <asm/unistd.h>
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#include <asm/errno.h>
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#include <asm/thread_info.h>
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#include <asm/asm-offsets.h>
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#include <hwregs/asm/reg_map_asm.h>
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#include <hwregs/asm/intr_vect_defs_asm.h>
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;; Exported functions.
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.globl system_call
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.globl ret_from_intr
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.globl ret_from_fork
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.globl ret_from_kernel_thread
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.globl resume
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.globl multiple_interrupt
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.globl nmi_interrupt
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.globl spurious_interrupt
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.globl do_sigtrap
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.globl gdb_handle_exception
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.globl sys_call_table
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; Check if preemptive kernel scheduling should be done.
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#ifdef CONFIG_PREEMPT
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_resume_kernel:
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di
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; Load current task struct.
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movs.w -8192, $r0 ; THREAD_SIZE = 8192
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and.d $sp, $r0
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addoq +TI_preempt_count, $r0, $acr
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move.d [$acr], $r10 ; Preemption disabled?
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bne _Rexit
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nop
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_need_resched:
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r10
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btstq TIF_NEED_RESCHED, $r10 ; Check if need_resched is set.
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bpl _Rexit
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nop
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; Do preemptive kernel scheduling.
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jsr preempt_schedule_irq
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nop
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; Load new task struct.
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movs.w -8192, $r0 ; THREAD_SIZE = 8192.
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and.d $sp, $r0
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; One more time with new task.
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ba _need_resched
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nop
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#else
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#define _resume_kernel _Rexit
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#endif
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; Called at exit from fork. schedule_tail must be called to drop
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; spinlock if CONFIG_PREEMPT.
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.type ret_from_fork,@function
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ret_from_fork:
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jsr schedule_tail
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nop
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ba ret_from_sys_call
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nop
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.size ret_from_fork, . - ret_from_fork
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.type ret_from_kernel_thread,@function
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ret_from_kernel_thread:
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jsr schedule_tail
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nop
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move.d $r2, $r10
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jsr $r1
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nop
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moveq 0, $r9 ; no syscall restarts, TYVM...
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ba ret_from_sys_call
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nop
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.size ret_from_kernel_thread, . - ret_from_kernel_thread
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.type ret_from_intr,@function
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ret_from_intr:
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;; Check for resched if preemptive kernel, or if we're going back to
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;; user-mode. This test matches the user_regs(regs) macro. Don't simply
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;; test CCS since that doesn't necessarily reflect what mode we'll
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;; return into.
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addoq +PT_ccs, $sp, $acr
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move.d [$acr], $r0
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btstq 16, $r0 ; User-mode flag.
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bpl _resume_kernel
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.size ret_from_intr, . - ret_from_intr + 2 ; +2 includes the dslot.
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; Note that di below is in delay slot.
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.type _resume_userspace,@function
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_resume_userspace:
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di ; So need_resched and sigpending don't change.
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movs.w -8192, $r0 ; THREAD_SIZE == 8192
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and.d $sp, $r0
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addoq +TI_flags, $r0, $acr ; current->work
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move.d [$acr], $r10
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and.d _TIF_WORK_MASK, $r10 ; Work to be done on return?
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bne _work_pending
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nop
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ba _Rexit
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nop
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.size _resume_userspace, . - _resume_userspace
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;; The system_call is called by a BREAK instruction, which looks pretty
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;; much like any other exception.
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;;
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;; System calls can't be made from interrupts but we still stack ERP
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;; to have a complete stack frame.
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;;
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;; In r9 we have the wanted syscall number. Arguments come in r10,r11,r12,
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;; r13,mof,srp
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;;
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;; This function looks on the _surface_ like spaghetti programming, but it's
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;; really designed so that the fast-path does not force cache-loading of
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;; non-used instructions. Only the non-common cases cause the outlined code
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;; to run..
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.type system_call,@function
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system_call:
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;; Stack-frame similar to the irq heads, which is reversed in
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;; ret_from_sys_call.
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sub.d 92, $sp ; Skip EXS and EDA.
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movem $r13, [$sp]
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move.d $sp, $r8
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addq 14*4, $r8
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move.d $acr, $r0
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move $srs, $r1
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move $mof, $r2
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move $spc, $r3
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move $ccs, $r4
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move $srp, $r5
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move $erp, $r6
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subq 4, $sp
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movem $r6, [$r8]
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ei ; Enable interrupts while processing syscalls.
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move.d $r10, [$sp]
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; Set S-bit when kernel debugging to keep hardware breakpoints active.
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#ifdef CONFIG_ETRAX_KGDB
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move $ccs, $r0
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or.d (1<<9), $r0
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move $r0, $ccs
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#endif
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movs.w -ENOSYS, $r0
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addoq +PT_r10, $sp, $acr
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move.d $r0, [$acr]
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;; Check if this process is syscall-traced.
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movs.w -8192, $r0 ; THREAD_SIZE == 8192
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and.d $sp, $r0
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r0
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btstq TIF_SYSCALL_TRACE, $r0
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bmi _syscall_trace_entry
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nop
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_syscall_traced:
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;; Check for sanity in the requested syscall number.
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cmpu.w NR_syscalls, $r9
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bhs ret_from_sys_call
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lslq 2, $r9 ; Multiply by 4, in the delay slot.
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;; The location on the stack for the register structure is passed as a
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;; seventh argument. Some system calls need this.
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move.d $sp, $r0
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subq 4, $sp
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move.d $r0, [$sp]
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;; The registers carrying parameters (R10-R13) are intact. The optional
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;; fifth and sixth parameters is in MOF and SRP respectively. Put them
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;; back on the stack.
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subq 4, $sp
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move $srp, [$sp]
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subq 4, $sp
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move $mof, [$sp]
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;; Actually to the system call.
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addo.d +sys_call_table, $r9, $acr
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move.d [$acr], $acr
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jsr $acr
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nop
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addq 3*4, $sp ; Pop the mof, srp and regs parameters.
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addoq +PT_r10, $sp, $acr
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move.d $r10, [$acr] ; Save the return value.
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moveq 1, $r9 ; "Parameter" to ret_from_sys_call to
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; show it was a sys call.
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;; Fall through into ret_from_sys_call to return.
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ret_from_sys_call:
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;; R9 is a parameter:
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;; >= 1 from syscall
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;; 0 from irq
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;; Get the current task-struct pointer.
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movs.w -8192, $r0 ; THREAD_SIZE == 8192
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and.d $sp, $r0
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di ; Make sure need_resched and sigpending don't change.
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r1
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and.d _TIF_ALLWORK_MASK, $r1
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bne _syscall_exit_work
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nop
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.size system_call, . - system_call
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.type _Rexit,@function
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_Rexit:
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;; This epilogue MUST match the prologues in multiple_interrupt, irq.h
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;; and ptregs.h.
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addq 4, $sp ; Skip orig_r10.
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movem [$sp+], $r13 ; Registers R0-R13.
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move.d [$sp+], $acr
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move [$sp], $srs
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addq 4, $sp
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move [$sp+], $mof
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move [$sp+], $spc
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move [$sp+], $ccs
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move [$sp+], $srp
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move [$sp+], $erp
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addq 8, $sp ; Skip EXS, EDA.
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jump $erp
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rfe ; Restore condition code stack in delay-slot.
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.size _Rexit, . - _Rexit
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;; We get here after doing a syscall if extra work might need to be done
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;; perform syscall exit tracing if needed.
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.type _syscall_exit_work,@function
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_syscall_exit_work:
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;; R0 contains current at this point and irq's are disabled.
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r1
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btstq TIF_SYSCALL_TRACE, $r1
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bpl _work_pending
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nop
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ei
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move.d $r9, $r1 ; Preserve R9.
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jsr do_syscall_trace
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nop
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move.d $r1, $r9
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ba _resume_userspace
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nop
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.size _syscall_exit_work, . - _syscall_exit_work
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.type _work_pending,@function
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_work_pending:
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r10
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btstq TIF_NEED_RESCHED, $r10 ; Need resched?
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bpl _work_notifysig ; No, must be signal/notify.
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nop
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.size _work_pending, . - _work_pending
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.type _work_resched,@function
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_work_resched:
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move.d $r9, $r1 ; Preserve R9.
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jsr schedule
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nop
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move.d $r1, $r9
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di
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r1
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and.d _TIF_WORK_MASK, $r1 ; Ignore sycall trace counter.
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beq _Rexit
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nop
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btstq TIF_NEED_RESCHED, $r1
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bmi _work_resched ; current->work.need_resched.
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nop
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.size _work_resched, . - _work_resched
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.type _work_notifysig,@function
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_work_notifysig:
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;; Deal with pending signals and notify-resume requests.
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addoq +TI_flags, $r0, $acr
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move.d [$acr], $r12 ; The thread_info_flags parameter.
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move.d $sp, $r11 ; The regs param.
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jsr do_notify_resume
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move.d $r9, $r10 ; do_notify_resume syscall/irq param.
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ba _Rexit
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nop
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.size _work_notifysig, . - _work_notifysig
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;; We get here as a sidetrack when we've entered a syscall with the
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;; trace-bit set. We need to call do_syscall_trace and then continue
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;; with the call.
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_syscall_trace_entry:
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;; PT_r10 in the frame contains -ENOSYS as required, at this point.
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jsr do_syscall_trace
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nop
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;; Now re-enter the syscall code to do the syscall itself. We need to
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;; restore R9 here to contain the wanted syscall, and the other
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;; parameter-bearing registers.
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addoq +PT_r9, $sp, $acr
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move.d [$acr], $r9
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addoq +PT_orig_r10, $sp, $acr
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move.d [$acr], $r10 ; PT_r10 is already -ENOSYS.
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addoq +PT_r11, $sp, $acr
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move.d [$acr], $r11
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addoq +PT_r12, $sp, $acr
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move.d [$acr], $r12
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addoq +PT_r13, $sp, $acr
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move.d [$acr], $r13
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addoq +PT_mof, $sp, $acr
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move [$acr], $mof
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addoq +PT_srp, $sp, $acr
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move [$acr], $srp
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ba _syscall_traced
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nop
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;; Resume performs the actual task-switching, by switching stack
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;; pointers. Input arguments are:
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;;
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;; R10 = prev
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;; R11 = next
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;; R12 = thread offset in task struct.
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;;
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;; Returns old current in R10.
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.type resume,@function
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resume:
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subq 4, $sp ; Make space for srp.
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add.d $r12, $r10 ; R10 = current tasks tss.
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addoq +THREAD_ccs, $r10, $acr
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move $srp, [$sp] ; Keep old/new PC on the stack.
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move $ccs, [$acr] ; Save IRQ enable state.
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di
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addoq +THREAD_usp, $r10, $acr
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subq 10*4, $sp ; Make room for R9.
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move $usp, [$acr] ; Save user-mode stackpointer.
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;; See copy_thread for the reason why register R9 is saved.
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movem $r9, [$sp] ; Save non-scratch registers and R9.
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addoq +THREAD_ksp, $r10, $acr
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move.d $sp, $r10 ; Return last running task in R10.
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move.d $sp, [$acr] ; Save kernel SP for old task.
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and.d -8192, $r10 ; Get thread_info from stackpointer.
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addoq +TI_task, $r10, $acr
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add.d $r12, $r11 ; Find the new tasks tss.
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move.d [$acr], $r10 ; Get task.
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addoq +THREAD_ksp, $r11, $acr
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move.d [$acr], $sp ; Switch to new stackframe.
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addoq +THREAD_usp, $r11, $acr
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movem [$sp+], $r9 ; Restore non-scratch registers and R9.
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move [$acr], $usp ; Restore user-mode stackpointer.
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addoq +THREAD_ccs, $r11, $acr
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move.d [$sp+], $r11
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jump $r11 ; Restore PC.
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move [$acr], $ccs ; Restore IRQ enable status.
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.size resume, . - resume
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nmi_interrupt:
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;; If we receive a watchdog interrupt while it is not expected, then set
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;; up a canonical frame and dump register contents before dying.
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;; This prologue MUST match the one in irq.h and the struct in ptregs.h!
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subq 12, $sp ; Skip EXS, EDA.
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move $nrp, [$sp]
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subq 4, $sp
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move $srp, [$sp]
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subq 4, $sp
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move $ccs, [$sp]
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subq 4, $sp
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move $spc, [$sp]
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subq 4, $sp
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move $mof, [$sp]
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subq 4, $sp
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move $srs, [$sp]
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subq 4, $sp
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move.d $acr, [$sp]
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subq 14*4, $sp ; Make room for R0-R13.
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movem $r13, [$sp] ; Push R0-R13.
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subq 4, $sp
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move.d $r10, [$sp] ; Push orig_r10.
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move.d REG_ADDR(intr_vect, regi_irq, r_nmi), $r0
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move.d [$r0], $r0
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btstq REG_BIT(intr_vect, r_nmi, watchdog), $r0
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bpl 1f
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nop
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jsr handle_watchdog_bite ; In time.c.
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move.d $sp, $r10 ; Pointer to registers
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1: btstq REG_BIT(intr_vect, r_nmi, ext), $r0
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bpl 1f
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nop
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jsr handle_nmi
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move.d $sp, $r10 ; Pointer to registers
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1: addq 4, $sp ; Skip orig_r10
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movem [$sp+], $r13
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move.d [$sp+], $acr
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move [$sp], $srs
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addq 4, $sp
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move [$sp+], $mof
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move [$sp+], $spc
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move [$sp+], $ccs
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move [$sp+], $srp
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move [$sp+], $nrp
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addq 8, $sp ; Skip EXS, EDA.
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jump $nrp
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rfn
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.comm cause_of_death, 4 ;; Don't declare this anywhere.
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spurious_interrupt:
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di
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jump hard_reset_now
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nop
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;; This handles the case when multiple interrupts arrive at the same
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;; time. Jump to the first set interrupt bit in a priotiry fashion. The
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;; hardware will call the unserved interrupts after the handler
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;; finishes.
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.type multiple_interrupt, @function
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multiple_interrupt:
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;; This prologue MUST match the one in irq.h and the struct in ptregs.h!
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subq 12, $sp ; Skip EXS, EDA.
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move $erp, [$sp]
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subq 4, $sp
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move $srp, [$sp]
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subq 4, $sp
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move $ccs, [$sp]
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subq 4, $sp
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move $spc, [$sp]
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subq 4, $sp
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move $mof, [$sp]
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subq 4, $sp
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move $srs, [$sp]
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subq 4, $sp
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move.d $acr, [$sp]
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subq 14*4, $sp ; Make room for R0-R13.
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movem $r13, [$sp] ; Push R0-R13.
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subq 4, $sp
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move.d $r10, [$sp] ; Push orig_r10.
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; Set S-bit when kernel debugging to keep hardware breakpoints active.
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#ifdef CONFIG_ETRAX_KGDB
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move $ccs, $r0
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or.d (1<<9), $r0
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move $r0, $ccs
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#endif
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jsr crisv32_do_multiple
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move.d $sp, $r10
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jump ret_from_intr
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nop
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.size multiple_interrupt, . - multiple_interrupt
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do_sigtrap:
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;; Sigtraps the process that executed the BREAK instruction. Creates a
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;; frame that Rexit expects.
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subq 4, $sp
|
|
move $eda, [$sp]
|
|
subq 4, $sp
|
|
move $exs, [$sp]
|
|
subq 4, $sp
|
|
move $erp, [$sp]
|
|
subq 4, $sp
|
|
move $srp, [$sp]
|
|
subq 4, $sp
|
|
move $ccs, [$sp]
|
|
subq 4, $sp
|
|
move $spc, [$sp]
|
|
subq 4, $sp
|
|
move $mof, [$sp]
|
|
subq 4, $sp
|
|
move $srs, [$sp]
|
|
subq 4, $sp
|
|
move.d $acr, [$sp]
|
|
di ; Need to disable irq's at this point.
|
|
subq 14*4, $sp ; Make room for r0-r13.
|
|
movem $r13, [$sp] ; Push the r0-r13 registers.
|
|
subq 4, $sp
|
|
move.d $r10, [$sp] ; Push orig_r10.
|
|
|
|
movs.w -8192, $r9 ; THREAD_SIZE == 8192
|
|
and.d $sp, $r9
|
|
|
|
;; thread_info as first parameter
|
|
move.d $r9, $r10
|
|
moveq 5, $r11 ; SIGTRAP as second argument.
|
|
jsr ugdb_trap_user
|
|
nop
|
|
jump ret_from_intr ; Use the return routine for interrupts.
|
|
nop
|
|
|
|
gdb_handle_exception:
|
|
subq 4, $sp
|
|
move.d $r0, [$sp]
|
|
#ifdef CONFIG_ETRAX_KGDB
|
|
move $ccs, $r0 ; U-flag not affected by previous insns.
|
|
btstq 16, $r0 ; Test the U-flag.
|
|
bmi _ugdb_handle_exception ; Go to user mode debugging.
|
|
nop ; Empty delay-slot (cannot pop R0 here).
|
|
ba kgdb_handle_exception ; Go to kernel debugging.
|
|
move.d [$sp+], $r0 ; Restore R0 in delay slot.
|
|
#endif
|
|
|
|
_ugdb_handle_exception:
|
|
ba do_sigtrap ; SIGTRAP the offending process.
|
|
move.d [$sp+], $r0 ; Restore R0 in delay slot.
|
|
|
|
.data
|
|
|
|
.section .rodata,"a"
|
|
sys_call_table:
|
|
.long sys_restart_syscall ; 0 - old "setup()" system call, used
|
|
; for restarting.
|
|
.long sys_exit
|
|
.long sys_fork
|
|
.long sys_read
|
|
.long sys_write
|
|
.long sys_open /* 5 */
|
|
.long sys_close
|
|
.long sys_waitpid
|
|
.long sys_creat
|
|
.long sys_link
|
|
.long sys_unlink /* 10 */
|
|
.long sys_execve
|
|
.long sys_chdir
|
|
.long sys_time
|
|
.long sys_mknod
|
|
.long sys_chmod /* 15 */
|
|
.long sys_lchown16
|
|
.long sys_ni_syscall /* old break syscall holder */
|
|
.long sys_stat
|
|
.long sys_lseek
|
|
.long sys_getpid /* 20 */
|
|
.long sys_mount
|
|
.long sys_oldumount
|
|
.long sys_setuid16
|
|
.long sys_getuid16
|
|
.long sys_stime /* 25 */
|
|
.long sys_ptrace
|
|
.long sys_alarm
|
|
.long sys_fstat
|
|
.long sys_pause
|
|
.long sys_utime /* 30 */
|
|
.long sys_ni_syscall /* old stty syscall holder */
|
|
.long sys_ni_syscall /* old gtty syscall holder */
|
|
.long sys_access
|
|
.long sys_nice
|
|
.long sys_ni_syscall /* 35 old ftime syscall holder */
|
|
.long sys_sync
|
|
.long sys_kill
|
|
.long sys_rename
|
|
.long sys_mkdir
|
|
.long sys_rmdir /* 40 */
|
|
.long sys_dup
|
|
.long sys_pipe
|
|
.long sys_times
|
|
.long sys_ni_syscall /* old prof syscall holder */
|
|
.long sys_brk /* 45 */
|
|
.long sys_setgid16
|
|
.long sys_getgid16
|
|
.long sys_signal
|
|
.long sys_geteuid16
|
|
.long sys_getegid16 /* 50 */
|
|
.long sys_acct
|
|
.long sys_umount /* recycled never used phys( */
|
|
.long sys_ni_syscall /* old lock syscall holder */
|
|
.long sys_ioctl
|
|
.long sys_fcntl /* 55 */
|
|
.long sys_ni_syscall /* old mpx syscall holder */
|
|
.long sys_setpgid
|
|
.long sys_ni_syscall /* old ulimit syscall holder */
|
|
.long sys_ni_syscall /* old sys_olduname holder */
|
|
.long sys_umask /* 60 */
|
|
.long sys_chroot
|
|
.long sys_ustat
|
|
.long sys_dup2
|
|
.long sys_getppid
|
|
.long sys_getpgrp /* 65 */
|
|
.long sys_setsid
|
|
.long sys_sigaction
|
|
.long sys_sgetmask
|
|
.long sys_ssetmask
|
|
.long sys_setreuid16 /* 70 */
|
|
.long sys_setregid16
|
|
.long sys_sigsuspend
|
|
.long sys_sigpending
|
|
.long sys_sethostname
|
|
.long sys_setrlimit /* 75 */
|
|
.long sys_old_getrlimit
|
|
.long sys_getrusage
|
|
.long sys_gettimeofday
|
|
.long sys_settimeofday
|
|
.long sys_getgroups16 /* 80 */
|
|
.long sys_setgroups16
|
|
.long sys_select /* was old_select in Linux/E100 */
|
|
.long sys_symlink
|
|
.long sys_lstat
|
|
.long sys_readlink /* 85 */
|
|
.long sys_uselib
|
|
.long sys_swapon
|
|
.long sys_reboot
|
|
.long sys_old_readdir
|
|
.long sys_old_mmap /* 90 */
|
|
.long sys_munmap
|
|
.long sys_truncate
|
|
.long sys_ftruncate
|
|
.long sys_fchmod
|
|
.long sys_fchown16 /* 95 */
|
|
.long sys_getpriority
|
|
.long sys_setpriority
|
|
.long sys_ni_syscall /* old profil syscall holder */
|
|
.long sys_statfs
|
|
.long sys_fstatfs /* 100 */
|
|
.long sys_ni_syscall /* sys_ioperm in i386 */
|
|
.long sys_socketcall
|
|
.long sys_syslog
|
|
.long sys_setitimer
|
|
.long sys_getitimer /* 105 */
|
|
.long sys_newstat
|
|
.long sys_newlstat
|
|
.long sys_newfstat
|
|
.long sys_ni_syscall /* old sys_uname holder */
|
|
.long sys_ni_syscall /* sys_iopl in i386 */
|
|
.long sys_vhangup
|
|
.long sys_ni_syscall /* old "idle" system call */
|
|
.long sys_ni_syscall /* vm86old in i386 */
|
|
.long sys_wait4
|
|
.long sys_swapoff /* 115 */
|
|
.long sys_sysinfo
|
|
.long sys_ipc
|
|
.long sys_fsync
|
|
.long sys_sigreturn
|
|
.long sys_clone /* 120 */
|
|
.long sys_setdomainname
|
|
.long sys_newuname
|
|
.long sys_ni_syscall /* sys_modify_ldt */
|
|
.long sys_adjtimex
|
|
.long sys_mprotect /* 125 */
|
|
.long sys_sigprocmask
|
|
.long sys_ni_syscall /* old "create_module" */
|
|
.long sys_init_module
|
|
.long sys_delete_module
|
|
.long sys_ni_syscall /* 130: old "get_kernel_syms" */
|
|
.long sys_quotactl
|
|
.long sys_getpgid
|
|
.long sys_fchdir
|
|
.long sys_bdflush
|
|
.long sys_sysfs /* 135 */
|
|
.long sys_personality
|
|
.long sys_ni_syscall /* for afs_syscall */
|
|
.long sys_setfsuid16
|
|
.long sys_setfsgid16
|
|
.long sys_llseek /* 140 */
|
|
.long sys_getdents
|
|
.long sys_select
|
|
.long sys_flock
|
|
.long sys_msync
|
|
.long sys_readv /* 145 */
|
|
.long sys_writev
|
|
.long sys_getsid
|
|
.long sys_fdatasync
|
|
.long sys_sysctl
|
|
.long sys_mlock /* 150 */
|
|
.long sys_munlock
|
|
.long sys_mlockall
|
|
.long sys_munlockall
|
|
.long sys_sched_setparam
|
|
.long sys_sched_getparam /* 155 */
|
|
.long sys_sched_setscheduler
|
|
.long sys_sched_getscheduler
|
|
.long sys_sched_yield
|
|
.long sys_sched_get_priority_max
|
|
.long sys_sched_get_priority_min /* 160 */
|
|
.long sys_sched_rr_get_interval
|
|
.long sys_nanosleep
|
|
.long sys_mremap
|
|
.long sys_setresuid16
|
|
.long sys_getresuid16 /* 165 */
|
|
.long sys_ni_syscall /* sys_vm86 */
|
|
.long sys_ni_syscall /* Old sys_query_module */
|
|
.long sys_poll
|
|
.long sys_ni_syscall /* Old nfsservctl */
|
|
.long sys_setresgid16 /* 170 */
|
|
.long sys_getresgid16
|
|
.long sys_prctl
|
|
.long sys_rt_sigreturn
|
|
.long sys_rt_sigaction
|
|
.long sys_rt_sigprocmask /* 175 */
|
|
.long sys_rt_sigpending
|
|
.long sys_rt_sigtimedwait
|
|
.long sys_rt_sigqueueinfo
|
|
.long sys_rt_sigsuspend
|
|
.long sys_pread64 /* 180 */
|
|
.long sys_pwrite64
|
|
.long sys_chown16
|
|
.long sys_getcwd
|
|
.long sys_capget
|
|
.long sys_capset /* 185 */
|
|
.long sys_sigaltstack
|
|
.long sys_sendfile
|
|
.long sys_ni_syscall /* streams1 */
|
|
.long sys_ni_syscall /* streams2 */
|
|
.long sys_vfork /* 190 */
|
|
.long sys_getrlimit
|
|
.long sys_mmap2
|
|
.long sys_truncate64
|
|
.long sys_ftruncate64
|
|
.long sys_stat64 /* 195 */
|
|
.long sys_lstat64
|
|
.long sys_fstat64
|
|
.long sys_lchown
|
|
.long sys_getuid
|
|
.long sys_getgid /* 200 */
|
|
.long sys_geteuid
|
|
.long sys_getegid
|
|
.long sys_setreuid
|
|
.long sys_setregid
|
|
.long sys_getgroups /* 205 */
|
|
.long sys_setgroups
|
|
.long sys_fchown
|
|
.long sys_setresuid
|
|
.long sys_getresuid
|
|
.long sys_setresgid /* 210 */
|
|
.long sys_getresgid
|
|
.long sys_chown
|
|
.long sys_setuid
|
|
.long sys_setgid
|
|
.long sys_setfsuid /* 215 */
|
|
.long sys_setfsgid
|
|
.long sys_pivot_root
|
|
.long sys_mincore
|
|
.long sys_madvise
|
|
.long sys_getdents64 /* 220 */
|
|
.long sys_fcntl64
|
|
.long sys_ni_syscall /* reserved for TUX */
|
|
.long sys_ni_syscall
|
|
.long sys_gettid
|
|
.long sys_readahead /* 225 */
|
|
.long sys_setxattr
|
|
.long sys_lsetxattr
|
|
.long sys_fsetxattr
|
|
.long sys_getxattr
|
|
.long sys_lgetxattr /* 230 */
|
|
.long sys_fgetxattr
|
|
.long sys_listxattr
|
|
.long sys_llistxattr
|
|
.long sys_flistxattr
|
|
.long sys_removexattr /* 235 */
|
|
.long sys_lremovexattr
|
|
.long sys_fremovexattr
|
|
.long sys_tkill
|
|
.long sys_sendfile64
|
|
.long sys_futex /* 240 */
|
|
.long sys_sched_setaffinity
|
|
.long sys_sched_getaffinity
|
|
.long sys_ni_syscall /* sys_set_thread_area */
|
|
.long sys_ni_syscall /* sys_get_thread_area */
|
|
.long sys_io_setup /* 245 */
|
|
.long sys_io_destroy
|
|
.long sys_io_getevents
|
|
.long sys_io_submit
|
|
.long sys_io_cancel
|
|
.long sys_fadvise64 /* 250 */
|
|
.long sys_ni_syscall
|
|
.long sys_exit_group
|
|
.long sys_lookup_dcookie
|
|
.long sys_epoll_create
|
|
.long sys_epoll_ctl /* 255 */
|
|
.long sys_epoll_wait
|
|
.long sys_remap_file_pages
|
|
.long sys_set_tid_address
|
|
.long sys_timer_create
|
|
.long sys_timer_settime /* 260 */
|
|
.long sys_timer_gettime
|
|
.long sys_timer_getoverrun
|
|
.long sys_timer_delete
|
|
.long sys_clock_settime
|
|
.long sys_clock_gettime /* 265 */
|
|
.long sys_clock_getres
|
|
.long sys_clock_nanosleep
|
|
.long sys_statfs64
|
|
.long sys_fstatfs64
|
|
.long sys_tgkill /* 270 */
|
|
.long sys_utimes
|
|
.long sys_fadvise64_64
|
|
.long sys_ni_syscall /* sys_vserver */
|
|
.long sys_ni_syscall /* sys_mbind */
|
|
.long sys_ni_syscall /* 275 sys_get_mempolicy */
|
|
.long sys_ni_syscall /* sys_set_mempolicy */
|
|
.long sys_mq_open
|
|
.long sys_mq_unlink
|
|
.long sys_mq_timedsend
|
|
.long sys_mq_timedreceive /* 280 */
|
|
.long sys_mq_notify
|
|
.long sys_mq_getsetattr
|
|
.long sys_ni_syscall /* reserved for kexec */
|
|
.long sys_waitid
|
|
.long sys_ni_syscall /* 285 */ /* available */
|
|
.long sys_add_key
|
|
.long sys_request_key
|
|
.long sys_keyctl
|
|
.long sys_ioprio_set
|
|
.long sys_ioprio_get /* 290 */
|
|
.long sys_inotify_init
|
|
.long sys_inotify_add_watch
|
|
.long sys_inotify_rm_watch
|
|
.long sys_migrate_pages
|
|
.long sys_openat /* 295 */
|
|
.long sys_mkdirat
|
|
.long sys_mknodat
|
|
.long sys_fchownat
|
|
.long sys_futimesat
|
|
.long sys_fstatat64 /* 300 */
|
|
.long sys_unlinkat
|
|
.long sys_renameat
|
|
.long sys_linkat
|
|
.long sys_symlinkat
|
|
.long sys_readlinkat /* 305 */
|
|
.long sys_fchmodat
|
|
.long sys_faccessat
|
|
.long sys_pselect6
|
|
.long sys_ppoll
|
|
.long sys_unshare /* 310 */
|
|
.long sys_set_robust_list
|
|
.long sys_get_robust_list
|
|
.long sys_splice
|
|
.long sys_sync_file_range
|
|
.long sys_tee /* 315 */
|
|
.long sys_vmsplice
|
|
.long sys_move_pages
|
|
.long sys_getcpu
|
|
.long sys_epoll_pwait
|
|
.long sys_utimensat /* 320 */
|
|
.long sys_signalfd
|
|
.long sys_timerfd_create
|
|
.long sys_eventfd
|
|
.long sys_fallocate
|
|
.long sys_timerfd_settime /* 325 */
|
|
.long sys_timerfd_gettime
|
|
.long sys_signalfd4
|
|
.long sys_eventfd2
|
|
.long sys_epoll_create1
|
|
.long sys_dup3 /* 330 */
|
|
.long sys_pipe2
|
|
.long sys_inotify_init1
|
|
.long sys_preadv
|
|
.long sys_pwritev
|
|
.long sys_setns /* 335 */
|
|
|
|
/*
|
|
* NOTE!! This doesn't have to be exact - we just have
|
|
* to make sure we have _enough_ of the "sys_ni_syscall"
|
|
* entries. Don't panic if you notice that this hasn't
|
|
* been shrunk every time we add a new system call.
|
|
*/
|
|
|
|
.rept NR_syscalls - (.-sys_call_table) / 4
|
|
.long sys_ni_syscall
|
|
.endr
|
|
|