diff options
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/m68k/sysdep.S')
| -rw-r--r-- | ports/sysdeps/unix/sysv/linux/m68k/sysdep.S | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/sysdep.S b/ports/sysdeps/unix/sysv/linux/m68k/sysdep.S new file mode 100644 index 0000000000..85b57f4c29 --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/m68k/sysdep.S @@ -0,0 +1,50 @@ +/* Copyright (C) 1996, 2002, 2012 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, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + + +/* The following code is only used in the shared library when we + compile the reentrant version. Otherwise each system call defines + each own version. */ + +#ifndef PIC + +/* The syscall stubs jump here when they detect an error. */ + +#undef CALL_MCOUNT +#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %d0. */ + + .text +ENTRY (__syscall_error) + neg.l %d0 +#ifndef _LIBC_REENTRANT + move.l %d0, errno +#else + move.l %d0, -(%sp) + cfi_adjust_cfa_offset (4) + jbsr __errno_location + move.l (%sp)+, (%a0) + cfi_adjust_cfa_offset (-4) +#endif + move.l #-1, %d0 + /* Copy return value to %a0 for syscalls that are declared to + return a pointer. */ + move.l %d0, %a0 + rts +END (__syscall_error) +#endif /* PIC */ |