Add an SH port done by Jean-Yves Avenard of Hewlett-Packard - Embedded

and Personal Systems.  Thanks!
 -Erik

1 files changed, 97 insertions, 0 deletions

diff --git a/libc/sysdeps/linux/sh/sysdep.h b/libc/sysdeps/linux/sh/sysdep.h
new file mode 100644
index 000000000..acaea48e4
--- /dev/null
+++ b/libc/sysdeps/linux/sh/sysdep.h
@@ -0,0 +1,97 @@
+/* Assembler macros for SH.
+   Copyright (C) 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+
+
+/* Define a macro we can use to construct the asm name for a C symbol.  */
+#ifdef	NO_UNDERSCORES
+#ifdef	__STDC__
+#define C_LABEL(name)		name##:
+#else
+#define C_LABEL(name)		name/**/:
+#endif
+#else
+#ifdef	__STDC__
+#define C_LABEL(name)		_##name##:
+#else
+#define C_LABEL(name)		_/**/name/**/:
+#endif
+#endif
+
+
+/* Mark the end of function named SYM.  This is used on some platforms
+   to generate correct debugging information.  */
+#ifndef END
+#define END(sym)
+#endif
+#ifdef	__ASSEMBLER__
+
+/* Syntactic details of assembler.  */
+
+#ifdef HAVE_ELF
+
+#define ALIGNARG(log2) 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
+
+#ifdef SHARED
+#define PLTJMP(_x)	_x##@PLT
+#else
+#define PLTJMP(_x)	_x
+#endif
+
+#else
+
+#define ALIGNARG(log2) log2
+#define ASM_TYPE_DIRECTIVE(name,type)	/* Nothing is specified.  */
+#define ASM_SIZE_DIRECTIVE(name)	/* Nothing is specified.  */
+#define C_SYMBOL_NAME(name) name	/* Nothing is specified.  */
+#define PLTJMP(_x)	_x
+
+#endif
+
+/* Define an entry point visible from C.  */
+#define	ENTRY(name)							      \
+  ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name);				      \
+  ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),function)			      \
+  .align ALIGNARG(5);							      \
+  C_LABEL(name)								      \
+  CALL_MCOUNT
+
+#undef	END
+#define END(name)							      \
+  ASM_SIZE_DIRECTIVE(C_SYMBOL_NAME(name))
+
+/* If compiled for profiling, call `mcount' at the start of each function.  */
+#ifdef	PROF
+#define CALL_MCOUNT	/* NOTYET */
+#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
+
+#endif	/* __ASSEMBLER__ */