/* vi: set sw=4 ts=4: */ /* Syscalls for uClibc * * Copyright (C) 2000 by Lineo, inc. and Erik Andersen * Copyright (C) 2000,2001 by Erik Andersen <andersen@uclibc.org> * Written by Erik Andersen <andersen@uclibc.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Library General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * * This program 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 Library General Public License * for more details. * * You should have received a copy of the GNU Library General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <errno.h> #include <unistd.h> #include <features.h> #include <sys/types.h> #include <sys/syscall.h> //#define __NR_create_module 127 #if defined(__i386__) || defined(__m68k__) || defined(__arm__) || defined(__cris__) || defined(__i960__) #define __NR___create_module __NR_create_module #ifdef __STR_NR_create_module #define __STR_NR___create_module __STR_NR_create_module #endif _syscall2(long, __create_module, const char *, name, size_t, size); /* By checking the value of errno, we know if we have been fooled * by the syscall2 macro making a very high address look like a * negaitive, so we we fix it up here. */ unsigned long create_module(const char *name, size_t size) { long ret = __create_module(name, size); /* Jump through hoops to fixup error return codes */ if (ret == -1 && errno > 125) { ret = -errno; __set_errno(0); } return ret; } #elif defined(__alpha__) #define __NR___create_module __NR_create_module /* Alpha doesn't have the same problem, exactly, but a bug in older kernels fails to clear the error flag. Clear it here explicitly. */ _syscall4(unsigned long, __create_module, const char *, name, size_t, size, size_t, dummy, size_t, err); unsigned long create_module(const char *name, size_t size) { return __create_module(name, size, 0, 0); } #else /* Sparc, MIPS, etc don't mistake return values for errors. */ _syscall2(unsigned long, create_module, const char *, name, size_t, size); #endif