diff options
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/sysdeps/linux/mips/Makefile.arch | 9 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/__syscall_error.c | 33 | ||||
| -rw-r--r-- | libc/sysdeps/linux/mips/syscall_error.S | 84 |
3 files changed, 89 insertions, 37 deletions
diff --git a/libc/sysdeps/linux/mips/Makefile.arch b/libc/sysdeps/linux/mips/Makefile.arch index 60c22775a..a53f888b5 100644 --- a/libc/sysdeps/linux/mips/Makefile.arch +++ b/libc/sysdeps/linux/mips/Makefile.arch @@ -1,15 +1,16 @@ # Makefile for uClibc # +# Copyright (C) 2006 Steven J. Hill <sjhill@uclibc.org> # Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org> # # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. # -CSRC := \ - __longjmp.c brk.c setjmp_aux.c mmap.c __syscall_error.c \ - cacheflush.c pread_write.c sysmips.c _test_and_set.c sigaction.c +CSRC := __longjmp.c brk.c setjmp_aux.c mmap.c cacheflush.c \ + pread_write.c sysmips.c _test_and_set.c sigaction.c -SSRC := bsd-_setjmp.S bsd-setjmp.S setjmp.S clone.S syscall.S pipe.S +SSRC := bsd-_setjmp.S bsd-setjmp.S setjmp.S clone.S syscall.S \ + syscall_error.S pipe.S ARCH_HEADERS := sgidefs.h sysdep.h # regdef.h diff --git a/libc/sysdeps/linux/mips/__syscall_error.c b/libc/sysdeps/linux/mips/__syscall_error.c deleted file mode 100644 index 6ece361f3..000000000 --- a/libc/sysdeps/linux/mips/__syscall_error.c +++ /dev/null @@ -1,33 +0,0 @@ -/* Wrapper for setting errno. - Copyright (C) 1997, 1998, 1999, 2000 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 <errno.h> -#include <features.h> - -/* This routine is jumped to by all the syscall handlers, to stash - * an error number into errno. */ -#ifdef __UCLIBC_HAS_THREADS_NATIVE__ -int __syscall_error(int err_no) -#else -int attribute_hidden __syscall_error(int err_no) -#endif -{ - __set_errno(err_no); - return -1; -} diff --git a/libc/sysdeps/linux/mips/syscall_error.S b/libc/sysdeps/linux/mips/syscall_error.S new file mode 100644 index 000000000..1eeca9b7e --- /dev/null +++ b/libc/sysdeps/linux/mips/syscall_error.S @@ -0,0 +1,84 @@ +/* Copyright (C) 1992, 1993, 1994, 1997, 1998, 1999, 2000, 2002, 2003 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Brendan Kehoe (brendan@zen.org). + + 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 <sysdep.h> +#define _ERRNO_H +#include <bits/errno.h> +#include <sys/asm.h> + +#ifdef __UCLIBC_HAS_THREADS__ + +LOCALSZ= 3 +FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK +RAOFF= FRAMESZ-(1*SZREG) +GPOFF= FRAMESZ-(2*SZREG) +V0OFF= FRAMESZ-(3*SZREG) + +ENTRY(__syscall_error) +#ifdef __PIC__ + .set noat + SETUP_GPX (AT) + .set at +#endif + PTR_SUBU sp, FRAMESZ + .set noat + SETUP_GPX64(GPOFF,AT) + .set at +#ifdef __PIC__ + SAVE_GP(GPOFF) +#endif + REG_S v0, V0OFF(sp) + REG_S ra, RAOFF(sp) + + /* Find our per-thread errno address */ + jal __errno_location + + /* Store the error value. */ + REG_L t0, V0OFF(sp) + sw t0, 0(v0) + + /* And just kick back a -1. */ + REG_L ra, RAOFF(sp) + RESTORE_GP64 + PTR_ADDU sp, FRAMESZ + li v0, -1 + j ra + END(__syscall_error) + +#else /* __UCLIBC_HAS_THREADS__ */ + + +ENTRY(__syscall_error) +#ifdef __PIC__ + SETUP_GPX (AT) +#endif + SETUP_GPX64 (t9, AT) + + /* Store it in errno... */ + sw v0, errno + + /* And just kick back a -1. */ + li v0, -1 + + RESTORE_GP64 + j ra + END(__syscall_error) +#endif /* __UCLIBC_HAS_THREADS__ */ |