2.5-18.1

1 files changed, 0 insertions, 295 deletions

diff --git a/sysdeps/unix/sysv/linux/m68k/sysdep.h b/sysdeps/unix/sysv/linux/m68k/sysdep.h
deleted file mode 100644
index 091dfc9c7d..0000000000
--- a/sysdeps/unix/sysv/linux/m68k/sysdep.h
+++ /dev/null
@@ -1,295 +0,0 @@
-/* Copyright (C) 1996, 1997, 1998, 2000, 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>,
-   December 1995.
-
-   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 <sysdeps/unix/sysdep.h>
-#include <sysdeps/m68k/sysdep.h>
-
-/* Defines RTLD_PRIVATE_ERRNO.  */
-#include <dl-sysdep.h>
-
-/* For Linux we can use the system call table in the header file
-	/usr/include/asm/unistd.h
-   of the kernel.  But these symbols do not follow the SYS_* syntax
-   so we have to redefine the `SYS_ify' macro here.  */
-#undef SYS_ify
-#ifdef __STDC__
-# define SYS_ify(syscall_name)	__NR_##syscall_name
-#else
-# define SYS_ify(syscall_name)	__NR_/**/syscall_name
-#endif
-
-#ifdef __ASSEMBLER__
-
-/* Linux uses a negative return value to indicate syscall errors, unlike
-   most Unices, which use the condition codes' carry flag.
-
-   Since version 2.1 the return value of a system call might be negative
-   even if the call succeeded.  E.g., the `lseek' system call might return
-   a large offset.  Therefore we must not anymore test for < 0, but test
-   for a real error by making sure the value in %d0 is a real error
-   number.  Linus said he will make sure the no syscall returns a value
-   in -1 .. -4095 as a valid result so we can savely test with -4095.  */
-
-/* We don't want the label for the error handler to be visible in the symbol
-   table when we define it here.  */
-#ifdef PIC
-#define SYSCALL_ERROR_LABEL .Lsyscall_error
-#else
-#define SYSCALL_ERROR_LABEL __syscall_error
-#endif
-
-#undef PSEUDO
-#define	PSEUDO(name, syscall_name, args)				      \
-  .text;								      \
-  ENTRY (name)								      \
-    DO_CALL (syscall_name, args);					      \
-    cmp.l &-4095, %d0;							      \
-    jcc SYSCALL_ERROR_LABEL
-
-#undef PSEUDO_END
-#define PSEUDO_END(name)						      \
-  SYSCALL_ERROR_HANDLER;						      \
-  END (name)
-
-#undef PSEUDO_NOERRNO
-#define	PSEUDO_NOERRNO(name, syscall_name, args)			      \
-  .text;								      \
-  ENTRY (name)								      \
-    DO_CALL (syscall_name, args)
-
-#undef PSEUDO_END_NOERRNO
-#define PSEUDO_END_NOERRNO(name)					      \
-  END (name)
-
-#define ret_NOERRNO rts
-
-/* The function has to return the error code.  */
-#undef	PSEUDO_ERRVAL
-#define	PSEUDO_ERRVAL(name, syscall_name, args) \
-  .text;								      \
-  ENTRY (name)								      \
-    DO_CALL (syscall_name, args);					      \
-    negl %d0
-
-#undef	PSEUDO_END_ERRVAL
-#define	PSEUDO_END_ERRVAL(name) \
-  END (name)
-
-#define ret_ERRVAL rts
-
-#ifdef PIC
-# if RTLD_PRIVATE_ERRNO
-#  define SYSCALL_ERROR_HANDLER						      \
-SYSCALL_ERROR_LABEL:							      \
-    lea (rtld_errno, %pc), %a0;					      	      \
-    neg.l %d0;								      \
-    move.l %d0, (%a0);							      \
-    move.l &-1, %d0;							      \
-    /* Copy return value to %a0 for syscalls that are declared to return      \
-       a pointer (e.g., mmap).  */					      \
-    move.l %d0, %a0;							      \
-    rts;
-# else /* !RTLD_PRIVATE_ERRNO */
-/* Store (- %d0) into errno through the GOT.  */
-#  if defined _LIBC_REENTRANT
-#   define SYSCALL_ERROR_HANDLER					      \
-SYSCALL_ERROR_LABEL:							      \
-    neg.l %d0;								      \
-    move.l %d0, -(%sp);							      \
-    jbsr __errno_location@PLTPC;					      \
-    move.l (%sp)+, (%a0);						      \
-    move.l &-1, %d0;							      \
-    /* Copy return value to %a0 for syscalls that are declared to return      \
-       a pointer (e.g., mmap).  */					      \
-    move.l %d0, %a0;							      \
-    rts;
-#  else /* !_LIBC_REENTRANT */
-#   define SYSCALL_ERROR_HANDLER					      \
-SYSCALL_ERROR_LABEL:							      \
-    move.l (errno@GOTPC, %pc), %a0;					      \
-    neg.l %d0;								      \
-    move.l %d0, (%a0);							      \
-    move.l &-1, %d0;							      \
-    /* Copy return value to %a0 for syscalls that are declared to return      \
-       a pointer (e.g., mmap).  */					      \
-    move.l %d0, %a0;							      \
-    rts;
-#  endif /* _LIBC_REENTRANT */
-# endif /* RTLD_PRIVATE_ERRNO */
-#else
-# define SYSCALL_ERROR_HANDLER	/* Nothing here; code in sysdep.S is used.  */
-#endif /* PIC */
-
-/* Linux takes system call arguments in registers:
-
-	syscall number	%d0	     call-clobbered
-	arg 1		%d1	     call-clobbered
-	arg 2		%d2	     call-saved
-	arg 3		%d3	     call-saved
-	arg 4		%d4	     call-saved
-	arg 5		%d5	     call-saved
-
-   The stack layout upon entering the function is:
-
-	20(%sp)		Arg# 5
-	16(%sp)		Arg# 4
-	12(%sp)		Arg# 3
-	 8(%sp)		Arg# 2
-	 4(%sp)		Arg# 1
-	  (%sp)		Return address
-
-   (Of course a function with say 3 arguments does not have entries for
-   arguments 4 and 5.)
-
-   Separate move's are faster than movem, but need more space.  Since
-   speed is more important, we don't use movem.  Since %a0 and %a1 are
-   scratch registers, we can use them for saving as well.  */
-
-#define DO_CALL(syscall_name, args)			      		      \
-    move.l &SYS_ify(syscall_name), %d0;					      \
-    DOARGS_##args							      \
-    trap &0;								      \
-    UNDOARGS_##args
-
-#define	DOARGS_0	/* No arguments to frob.  */
-#define	UNDOARGS_0	/* No arguments to unfrob.  */
-#define	_DOARGS_0(n)	/* No arguments to frob.  */
-
-#define	DOARGS_1	_DOARGS_1 (4)
-#define	_DOARGS_1(n)	move.l n(%sp), %d1; _DOARGS_0 (n)
-#define	UNDOARGS_1	UNDOARGS_0
-
-#define	DOARGS_2	_DOARGS_2 (8)
-#define	_DOARGS_2(n)	move.l %d2, %a0; move.l n(%sp), %d2; _DOARGS_1 (n-4)
-#define	UNDOARGS_2	UNDOARGS_1; move.l %a0, %d2
-
-#define DOARGS_3	_DOARGS_3 (12)
-#define _DOARGS_3(n)	move.l %d3, %a1; move.l n(%sp), %d3; _DOARGS_2 (n-4)
-#define UNDOARGS_3	UNDOARGS_2; move.l %a1, %d3
-
-#define DOARGS_4	_DOARGS_4 (16)
-#define _DOARGS_4(n)	move.l %d4, -(%sp); move.l n+4(%sp), %d4; _DOARGS_3 (n)
-#define UNDOARGS_4	UNDOARGS_3; move.l (%sp)+, %d4
-
-#define DOARGS_5	_DOARGS_5 (20)
-#define _DOARGS_5(n)	move.l %d5, -(%sp); move.l n+4(%sp), %d5; _DOARGS_4 (n)
-#define UNDOARGS_5	UNDOARGS_4; move.l (%sp)+, %d5
-
-
-#define	ret	rts
-#if 0 /* Not used by Linux */
-#define	r0	%d0
-#define	r1	%d1
-#define	MOVE(x,y)	movel x , y
-#endif
-
-#else /* not __ASSEMBLER__ */
-
-/* Define a macro which expands into the inline wrapper code for a system
-   call.  */
-#undef INLINE_SYSCALL
-#define INLINE_SYSCALL(name, nr, args...)				\
-  ({ unsigned int _sys_result = INTERNAL_SYSCALL (name, , nr, args);	\
-     if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sys_result, ), 0))\
-       {								\
-	 __set_errno (INTERNAL_SYSCALL_ERRNO (_sys_result, ));		\
-	 _sys_result = (unsigned int) -1;				\
-       }								\
-     (int) _sys_result; })
-
-#undef INTERNAL_SYSCALL_DECL
-#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
-
-/* Define a macro which expands inline into the wrapper code for a system
-   call.  This use is for internal calls that do not need to handle errors
-   normally.  It will never touch errno.  This returns just what the kernel
-   gave back.  */
-#undef INTERNAL_SYSCALL
-#define INTERNAL_SYSCALL(name, err, nr, args...)	\
-  ({ unsigned int _sys_result;				\
-     {							\
-       /* Load argument values in temporary variables
-	  to perform side effects like function calls
-	  before the call used registers are set.  */	\
-       LOAD_ARGS_##nr (args)				\
-       LOAD_REGS_##nr					\
-       register int _d0 asm ("%d0") = __NR_##name;	\
-       asm volatile ("trap #0"				\
-		     : "=d" (_d0)			\
-		     : "0" (_d0) ASM_ARGS_##nr		\
-		     : "memory");			\
-       _sys_result = _d0;				\
-     }							\
-     (int) _sys_result; })
-
-#undef INTERNAL_SYSCALL_ERROR_P
-#define INTERNAL_SYSCALL_ERROR_P(val, err)		\
-  ((unsigned int) (val) >= -4095U)
-
-#undef INTERNAL_SYSCALL_ERRNO
-#define INTERNAL_SYSCALL_ERRNO(val, err)	(-(val))
-
-#define LOAD_ARGS_0()
-#define LOAD_REGS_0
-#define ASM_ARGS_0
-#define LOAD_ARGS_1(a1)				\
-  LOAD_ARGS_0 ()				\
-  int __arg1 = (int) (a1);
-#define LOAD_REGS_1				\
-  register int _d1 asm ("d1") = __arg1;		\
-  LOAD_REGS_0
-#define ASM_ARGS_1	ASM_ARGS_0, "d" (_d1)
-#define LOAD_ARGS_2(a1, a2)			\
-  LOAD_ARGS_1 (a1)				\
-  int __arg2 = (int) (a2);
-#define LOAD_REGS_2				\
-  register int _d2 asm ("d2") = __arg2;		\
-  LOAD_REGS_1
-#define ASM_ARGS_2	ASM_ARGS_1, "d" (_d2)
-#define LOAD_ARGS_3(a1, a2, a3)			\
-  LOAD_ARGS_2 (a1, a2)				\
-  int __arg3 = (int) (a3);
-#define LOAD_REGS_3				\
-  register int _d3 asm ("d3") = __arg3;		\
-  LOAD_REGS_2
-#define ASM_ARGS_3	ASM_ARGS_2, "d" (_d3)
-#define LOAD_ARGS_4(a1, a2, a3, a4)		\
-  LOAD_ARGS_3 (a1, a2, a3)			\
-  int __arg4 = (int) (a4);
-#define LOAD_REGS_4				\
-  register int _d4 asm ("d4") = __arg4;		\
-  LOAD_REGS_3
-#define ASM_ARGS_4	ASM_ARGS_3, "d" (_d4)
-#define LOAD_ARGS_5(a1, a2, a3, a4, a5)		\
-  LOAD_ARGS_4 (a1, a2, a3, a4)			\
-  int __arg5 = (int) (a5);
-#define LOAD_REGS_5				\
-  register int _d5 asm ("d5") = __arg5;		\
-  LOAD_REGS_4
-#define ASM_ARGS_5	ASM_ARGS_4, "d" (_d5)
-#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6)	\
-  LOAD_ARGS_5 (a1, a2, a3, a4, a5)		\
-  int __arg6 = (int) (a6);
-#define LOAD_REGS_6				\
-  register int _a0 asm ("a0") = __arg6;		\
-  LOAD_REGS_5
-#define ASM_ARGS_6	ASM_ARGS_5, "a" (_a0)
-
-#endif /* not __ASSEMBLER__ */