diff options
| -rw-r--r-- | libc/sysdeps/linux/mips/Makefile | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/__uClibc_syscall.S | 45 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/syscall.S | 55 |
3 files changed, 56 insertions, 46 deletions
diff --git a/libc/sysdeps/linux/mips/Makefile b/libc/sysdeps/linux/mips/Makefile index f727d2b6e..95da2dded 100644 --- a/libc/sysdeps/linux/mips/Makefile +++ b/libc/sysdeps/linux/mips/Makefile @@ -30,7 +30,7 @@ TARGET_MACHINE_TYPE=$(shell $(CC) -dumpmachine) CRT0=crt0.S CRT0_OBJ=$(patsubst %.S,%.o, $(CRT0)) -SSRC=bsd-_setjmp.S bsd-setjmp.S setjmp.S clone.S fork.S __uClibc_syscall.S +SSRC=bsd-_setjmp.S bsd-setjmp.S setjmp.S clone.S fork.S syscall.S SOBJS=$(patsubst %.S,%.o, $(SSRC)) CSRC=__longjmp.c brk.c vfork.c setjmp_aux.c _mmap.c pipe.c __syscall_error.c diff --git a/libc/sysdeps/linux/mips/__uClibc_syscall.S b/libc/sysdeps/linux/mips/__uClibc_syscall.S deleted file mode 100644 index 9993976d4..000000000 --- a/libc/sysdeps/linux/mips/__uClibc_syscall.S +++ /dev/null @@ -1,45 +0,0 @@ -/* - * $Id: __uClibc_syscall.S,v 1.1 2002/08/09 13:43:21 andersen Exp $ - * - * __uClibc_syscall.S - MIPS version. - * - * Derived from x86 implementation to reduce memory footprint - * for syscalls. - * - * Mark Rustad, 03/21/2002 - * Copyright 2002 BRECIS Communications Corp. - * - * uClibc is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with uClibc; if not, write to the Free - * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - * 02111-1307 USA. - */ - - #include <sys/regdef.h> - - .text - .align 4 - .globl __uClibc_syscall - .ent __uClibc_syscall,0 - .type __uClibc_syscall,@function -__uClibc_syscall: - syscall - .set noreorder - beqz a3, 1f - lui t3, %hi(errno) - .set reorder - negu a1, v0 - sw a1, %lo(errno)(t3) - li v0, -1 -1: - j ra - .end __uClibc_syscall - -.Lsize: - .size __uClibc_syscall,.Lsize-__uClibc_syscall - diff --git a/libc/sysdeps/linux/mips/syscall.S b/libc/sysdeps/linux/mips/syscall.S new file mode 100644 index 000000000..c197a25c0 --- /dev/null +++ b/libc/sysdeps/linux/mips/syscall.S @@ -0,0 +1,55 @@ +/* Copyright (C) 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <features.h> +#include <asm/asm.h> +#include <asm/regdef.h> + +#ifdef PIC + .option pic2 +#endif +.text +.align 2 +.globl syscall +.type syscall,@function +.ent syscall +syscall: + move v0, a0 /* Load system call number from first arg. */ + move a0, a1 /* Move the next three args up a register. */ + move a1, a2 + move a2, a3 + /* Load the remaining possible args (up to 11) from the stack. */ +#ifdef __mips64 + ld t0,4*8(sp) + ld t1,5*8(sp) + ld t2,6*8(sp) + ld t3,7*8(sp) + ld t4,8*8(sp) + ld t5,9*8(sp) + ld t6,10*8(sp) +#else + lw t0,4*4(sp) + lw t1,5*4(sp) + lw t2,6*4(sp) + lw t3,7*4(sp) + lw t4,8*4(sp) + lw t5,9*4(sp) + lw t6,10*4(sp) +#endif + syscall /* Do the system call. */ + j ra /* Return to caller. */ |