config/sh reorganization to factor out endianness and coff:

	* config/sh/little.h: New file.
        * config/sh/sh.h (TARGET_ENDIAN_DEFAULT): If not already
        defined, define to 0 to select big-endian.
	(SUBTARGET_ASM_ENDIAN_SPEC): Define according to TARGET_ENDIAN_DEFAULT.
        (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
        * config/sh/sh64.h (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
        * config/sh/t-be: New file.
        * config/sh/t-le: New file.

	* sh.h (SDB_DEBUGGING_INFO, #include "dbxcoff.h"): Moved to sh/coff.h.
	(SDB_DELIM, MAX_OFILE_ALIGNMENT, IDENT_ASM_OP): Likewise.
	(TARGET_ASM_NAMED_SECTION, ASM_OUTPUT_SKIP): Likewise.
	(USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX): Likewise.
	(ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Likewise.
	(ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Likewise.
	(ASM_FILE_END, ASM_DECLARE_FUNCTION_NAME): Deleted.
	(CPP_SPEC, SUBTARGET_CPP_ENDIAN_SPEC): Likewise.
	(SUBTARGET_CPP_SPEC, CPP_DEFAULT_CPU_SPEC, CPP_PREDEFINES): Likewise.
	(EXTRA_SPECS): Remove SUBTARGET_CPP_ENDIAN_SPEC and
	CPP_DEFAULT_CPU_SPEC.  Add LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL,
	SUBTARGET_LINK_EMUL_SUFFIX and SUBTARGET_LINK_SPEC.
	(LINK_SPEC): Define to SH_LINK_SPEC.
	(TARGET_CPU_CPP_BUILTINS, SH_LINK_SPEC): Define.
	(LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL): Likewise.
	(SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise.
	(CPP_SPEC): Reduce to %(subtarget_cpp_spec).
	(TARGET_ENDIAN_DEFAULT): Define if not already defined.
	* config/sh/coff.h: New file.
	(TARGET_ASM_NAMED_SECTION): Now default_coff_asm_named_section
	(TARGET_OBJFMT_CPP_BUILTINS): Define.
	* config/sh/elf.h (IDENT_ASM_OP): No need to #undef at the start.
	(ASM_FILE_END, ASM_OUTPUT_SOURCE_LINE): Likewise.
	(DBX_OUTPUT_MAIN_SOURCE_FILE_END, TARGET_ASM_NAMED_SECTION): Likewise.
	(ASM_DECLARE_FUNCTION_NAME, MAX_OFILE_ALIGNMENT, SIZE_TYPE): Likewise.
	(PTRDIFF_TYPE): Likewise.
	("dbxelf.h", "elfos.h", "svr4.h"): Don't #include.
	(CPP_PREDEFINES): Don't define.
	(TARGET_OBJFMT_CPP_BUILTINS): Define.
	(LINK_SPEC): Define to SH_LINK_SPEC.
	(LINK_EMUL_PREFIX): Redefine.
	* config/sh/linux.h: (SUBTARGET_CPP_SPEC): Remove -fpic / -fPIC cases.
	(SUBTARGET_CPP_ENDIAN_SPEC, CPP_DEFAULT_CPU_SPEC): Remove redefinition.
	(CPP_PREDEFINES, SUBTARGET_ASM_ENDIAN_SPEC): Likewise.
	(CC1_SPEC, CC1PLUS_SPEC, LINK_SPEC): Likewise.
	(TARGET_OS_CPP_BUILTINS): Define.
	(TARGET_DEFAULT): Redefine.
	(SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise.
	* config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Remove.
	(LINK_SPEC): Don't redefine.
	(LINK_DEFAULT_CPU_EMUL): Redefine.
	(TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
	* sh.c (sh_asm_named_section): Don't declare / define.
	* t-linux (MULTILIB_OPTIONS): Rely on pre-set endianness option.
	* config.gcc (sh-*-elf* tm_file): Add dbxelf.h elfos.h svr4.h.
	(sh64-*-elf* tm_file): Likewise.
	(sh-*-rtemself* tm_file): Likewise.
	(sh-*-linux* tm_file): Likewise.  Add sh/little.h.
	(sh-*-linux* tmake_file): Add sh/t-le.
	(sh-*-rtems* tm_file): Add sh/coff.h
	(sh-*-* tm_file): Likewise.


	* sh.h (LEGITIMATE_PIC_OPERAND_P): Check for SYMBOL_REF before using
	CONSTANT_POOL_ADDRESS_P.

	* coff.h (HAS_INIT_SECTION, INVOKE__MAIN): Define.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53974 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 88 insertions, 0 deletions

diff --git a/gcc/config/sh/coff.h b/gcc/config/sh/coff.h
new file mode 100644
index 00000000000..67826b11350
--- /dev/null
+++ b/gcc/config/sh/coff.h
@@ -0,0 +1,88 @@
+/* Definitions of target machine for gcc for Hitachi / SuperH SH using ELF.
+   Copyright (C) 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
+   Contributed by Jörn Rennecke <joern.rennecke@superh.com>.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Generate SDB debugging information.  */
+
+#define SDB_DEBUGGING_INFO
+
+/* Output DBX (stabs) debugging information if doing -gstabs.  */
+
+#include "dbxcoff.h"
+
+#define SDB_DELIM ";"
+
+#ifndef MAX_OFILE_ALIGNMENT
+#define MAX_OFILE_ALIGNMENT 128
+#endif
+
+#define IDENT_ASM_OP "\t.ident\t"
+
+/* Switch into a generic section.  */
+#define TARGET_ASM_NAMED_SECTION default_coff_asm_named_section
+
+/* The prefix to add to user-visible assembler symbols.  */
+
+#define USER_LABEL_PREFIX "_"
+
+/* The prefix to add to an internally generated label.  */
+
+#define LOCAL_LABEL_PREFIX ""
+
+/* Make an internal label into a string.  */
+#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
+  sprintf ((STRING), "*%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUM))
+
+/* Output an internal label definition.  */
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
+  asm_fprintf ((FILE), "%L%s%d:\n", (PREFIX), (NUM))
+
+/* This is how to output an assembler line
+   that says to advance the location counter by SIZE bytes.  */
+
+#define ASM_OUTPUT_SKIP(FILE,SIZE) \
+  fprintf ((FILE), "\t.space %d\n", (SIZE))
+
+/* This says how to output an assembler line
+   to define a global common symbol.  */
+
+#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)	\
+( fputs ("\t.comm ", (FILE)),			\
+  assemble_name ((FILE), (NAME)),		\
+  fprintf ((FILE), ",%d\n", (SIZE)))
+
+/* This says how to output an assembler line
+   to define a local common symbol.  */
+
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)	\
+( fputs ("\t.lcomm ", (FILE)),				\
+  assemble_name ((FILE), (NAME)),			\
+  fprintf ((FILE), ",%d\n", (SIZE)))
+
+#define TARGET_OBJFMT_CPP_BUILTINS()
+
+/* ??? The so-called ASM_OUTPUT_SECTION_NAME cleanup from August 3rd 2001
+   broke sh-coff, and was still neither reversed not fixed eight month after
+   this has been pointed out.  */
+/* Tell the braindead logic in defaults.h / libgcc2.c not to
+   refer to __EH_FRAME_BEGIN__, since we don't use crtstuff.c */
+#define HAS_INIT_SECTION
+/* And tell function.c that we don't actually have an init section.  */
+#define INVOKE__MAIN