platform_bionic/libc/arch-mips64/bionic/syscall.S
Elliott Hughes ab413c535c Fix mip64 build.
Fallout from the unified sysroot work.

Bug: N/A
Test: builds
Change-Id: If0595a241b9ce0d8c8c7137ddaf8fca932487b7c
2017-10-13 13:22:24 -07:00

68 lines
2.2 KiB
ArmAsm

/*
* Copyright (C) 2013 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <private/bionic_asm.h>
#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
FRAMESZ = MKFSIZ(6,0)
#else
FRAMESZ = MKFSIZ(0,1)
FRAME_GP = FRAMESZ-1*REGSZ
#endif
LEAF(syscall,FRAMESZ)
PTR_SUBU $sp, FRAMESZ # allocate stack frame
SETUP_GP64(FRAME_GP,syscall)
SAVE_GP(FRAME_GP)
move $v0, $a0 # syscall number to v0
move $a0, $a1 # shift args down
move $a1, $a2
move $a2, $a3
#if (_MIPS_SIM == _ABIO32) || (_MIPS_SIM == _ABI32)
REG_L $a3, FRAMESZ+4*REGSZ($sp)
REG_L $t0, FRAMESZ+5*REGSZ($sp)
REG_L $t1, FRAMESZ+6*REGSZ($sp)
REG_S $t0, 4*REGSZ($sp)
REG_S $t1, 5*REGSZ($sp)
#else
move $a3, $a4
move $a4, $a5
move $a5, $a6
#endif
syscall
move $a0, $v0
bnez $a3, 1f
RESTORE_GP64
PTR_ADDU $sp, FRAMESZ
j $ra
1:
LA $t9,__set_errno_internal
RESTORE_GP64
PTR_ADDU $sp, FRAMESZ
j $t9
END(syscall)