diff options
| -rw-r--r-- | libc/sysdeps/linux/sparc/Makefile | 2 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc/__syscall_error.c | 29 | ||||
| -rw-r--r-- | libc/sysdeps/linux/sparc/clone.S | 15 |
3 files changed, 35 insertions, 11 deletions
diff --git a/libc/sysdeps/linux/sparc/Makefile b/libc/sysdeps/linux/sparc/Makefile index 5c91176dd..8a2549cb2 100644 --- a/libc/sysdeps/linux/sparc/Makefile +++ b/libc/sysdeps/linux/sparc/Makefile @@ -27,7 +27,7 @@ SSRC=__longjmp.S fork.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \ urem.S udiv.S umul.S sdiv.S rem.S SOBJS=$(patsubst %.S,%.o, $(SSRC)) -CSRC=brk.c +CSRC=brk.c __syscall_error.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(SOBJS) $(MOBJ) $(COBJS) diff --git a/libc/sysdeps/linux/sparc/__syscall_error.c b/libc/sysdeps/linux/sparc/__syscall_error.c new file mode 100644 index 000000000..de65a1f39 --- /dev/null +++ b/libc/sysdeps/linux/sparc/__syscall_error.c @@ -0,0 +1,29 @@ +/* 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. */ +int attribute_hidden __syscall_error(int err_no) +{ + __set_errno(err_no); + return -1; +} diff --git a/libc/sysdeps/linux/sparc/clone.S b/libc/sysdeps/linux/sparc/clone.S index 1bd10561a..7421ef672 100644 --- a/libc/sysdeps/linux/sparc/clone.S +++ b/libc/sysdeps/linux/sparc/clone.S @@ -20,7 +20,6 @@ /* clone() is even more special than fork() as it mucks with stacks and invokes a function in the right context after its all over. */ -#include <asm/errno.h> #include <asm/unistd.h> /* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */ @@ -35,27 +34,23 @@ __clone: /* sanity check arguments */ tst %i0 - be .Lerror + be __error orcc %i1,%g0,%o1 - be .Lerror + be __error mov %i2,%o0 /* Do the system call */ set __NR_clone,%g1 ta 0x10 - bcs .Lerror + bcs __error tst %o1 bne __thread_start nop ret restore %o0,%g0,%o0 -.Lerror: - call __errno_location - or %g0,EINVAL,%i0 - st %i0,[%o0] - ret - restore %g0,-1,%o0 +__error: + jmp __syscall_error .size __clone,.-__clone |