(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 100 insertions, 0 deletions

diff --git a/sysdeps/m68k/sysdep.h b/sysdeps/m68k/sysdep.h
new file mode 100644
index 0000000000..f492ff617c
--- /dev/null
+++ b/sysdeps/m68k/sysdep.h
@@ -0,0 +1,100 @@
+/* Assembler macros for m68k.
+   Copyright (C) 1998, 2003 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 <sysdeps/generic/sysdep.h>
+
+#ifdef __ASSEMBLER__
+
+/* Syntactic details of assembler.  */
+
+# ifdef HAVE_ELF
+
+/* ELF uses byte-counts for .align, most others use log2 of count of bytes.  */
+#  define ALIGNARG(log2) 1<<log2
+/* For ELF we need the `.type' directive to make shared libs work right.  */
+#  define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg
+#  define ASM_SIZE_DIRECTIVE(name) .size name,.-name
+
+/* In ELF C symbols are asm symbols.  */
+#  undef NO_UNDERSCORES
+#  define NO_UNDERSCORES
+
+# else
+
+#  define ALIGNARG(log2) log2
+#  define ASM_TYPE_DIRECTIVE(name,type)	/* Nothing is specified.  */
+#  define ASM_SIZE_DIRECTIVE(name)	/* Nothing is specified.  */
+
+# endif
+
+
+/* Define an entry point visible from C.
+
+   There is currently a bug in gdb which prevents us from specifying
+   incomplete stabs information.  Fake some entries here which specify
+   the current source file.  */
+# define ENTRY(name)							      \
+  .globl C_SYMBOL_NAME(name);						      \
+  ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function);			      \
+  .align ALIGNARG(2);							      \
+  C_LABEL(name)								      \
+  CALL_MCOUNT
+
+# undef END
+# define END(name) ASM_SIZE_DIRECTIVE(name)
+
+
+/* If compiled for profiling, call `_mcount' at the start of each function.  */
+# ifdef	PROF
+/* The mcount code relies on a normal frame pointer being on the stack
+   to locate our caller, so push one just for its benefit.  */
+#  define CALL_MCOUNT \
+  move.l %fp, -(%sp); move.l %sp, %fp;					      \
+  jbsr JUMPTARGET (mcount);						      \
+  move.l (%sp)+, %fp;
+# else
+#  define CALL_MCOUNT		/* Do nothing.  */
+# endif
+
+# ifdef	NO_UNDERSCORES
+/* Since C identifiers are not normally prefixed with an underscore
+   on this system, the asm identifier `syscall_error' intrudes on the
+   C name space.  Make sure we use an innocuous name.  */
+#  define syscall_error	__syscall_error
+#  define mcount	_mcount
+# endif
+
+# define PSEUDO(name, syscall_name, args)				      \
+  .globl syscall_error;							      \
+  ENTRY (name)								      \
+    DO_CALL (syscall_name, args);					      \
+    jcc JUMPTARGET(syscall_error)
+
+# undef PSEUDO_END
+# define PSEUDO_END(name)						      \
+  END (name)
+
+# undef JUMPTARGET
+# ifdef PIC
+#  define JUMPTARGET(name)	name##@PLTPC
+# else
+#  define JUMPTARGET(name)	name
+# endif
+
+#endif	/* __ASSEMBLER__ */