Initial revision

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@12687 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/config/sh/elf.h b/gcc/config/sh/elf.h
new file mode 100644 (file)
index 0000000..2c3294b
--- /dev/null
+++ b/gcc/config/sh/elf.h
@@ -0,0 +1,105 @@
+/* Definitions of target machine for gcc for Hitachi Super-H using ELF.
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Ian Lance Taylor <ian@cygnus.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.  */
+
+/* Mostly like the regular SH configuration.  */
+#include "sh/sh.h"
+
+/* No SDB debugging info.  */
+#undef SDB_DEBUGGING_INFO
+
+/* Prefer stabs.  */
+#undef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+
+/* Undefine some macros defined in both sh.h and svr4.h.  */
+#undef IDENT_ASM_OP
+#undef ASM_FILE_END
+#undef ASM_OUTPUT_SOURCE_LINE
+#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP
+#undef ASM_OUTPUT_SECTION_NAME
+#undef ASM_OUTPUT_CONSTRUCTOR
+#undef ASM_OUTPUT_DESTRUCTOR
+#undef ASM_DECLARE_FUNCTION_NAME
+
+/* Be ELF-like.  */
+#include "svr4.h"
+
+/* Let code know that this is ELF.  */
+#define CPP_PREDEFINES "-D__sh__ -D__ELF__ -Acpu(sh) -Amachine(sh)"
+
+/* Pass -ml and -mrelax to the assembler and linker.  */
+#undef ASM_SPEC
+#define ASM_SPEC  "%{ml:-little} %{mrelax:-relax}"
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{ml:-m shl} %{mrelax:-relax}"
+
+/* svr4.h undefined DBX_REGISTER_NUMBER, so we need to define it
+   again.  */
+#define DBX_REGISTER_NUMBER(REGNO)     \
+  (((REGNO) >= 22 && (REGNO) <= 39) ? ((REGNO) + 1) : (REGNO))
+
+/* SH ELF, unlike most ELF implementations, uses underscores before
+   symbol names.  */
+#undef ASM_OUTPUT_LABELREF
+#define ASM_OUTPUT_LABELREF(STREAM,NAME) \
+  fprintf (STREAM, "_%s", NAME)
+
+/* Because SH ELF uses underscores, we don't put a '.' before local
+   labels, for easy compatibility with the COFF implementation.  */
+
+#undef ASM_GENERATE_INTERNAL_LABEL
+#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
+  sprintf (STRING, "*%s%d", PREFIX, NUM)
+
+#undef ASM_OUTPUT_INTERNAL_LABEL
+#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
+  fprintf (FILE, "%s%d:\n", PREFIX, NUM)
+
+#undef  ASM_OUTPUT_SOURCE_LINE
+#define ASM_OUTPUT_SOURCE_LINE(file, line)                             \
+do                                                                     \
+  {                                                                    \
+    static int sym_lineno = 1;                                         \
+    fprintf (file, ".stabn 68,0,%d,LM%d-",                             \
+            line, sym_lineno);                                         \
+    assemble_name (file,                                               \
+                  XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0));\
+    fprintf (file, "\nLM%d:\n", sym_lineno);                           \
+    sym_lineno += 1;                                                   \
+  }                                                                    \
+while (0)
+
+#undef DBX_OUTPUT_MAIN_SOURCE_FILE_END
+#define DBX_OUTPUT_MAIN_SOURCE_FILE_END(FILE, FILENAME)                        \
+do {                                                                   \
+  text_section ();                                                     \
+  fprintf (FILE, "\t.stabs \"\",%d,0,0,Letext\nLetext:\n", N_SO);      \
+} while (0)
+
+/* Arrange to call __main, rather than using crtbegin.o and crtend.o
+   and relying on .init and .fini being executed at appropriate times.  */
+#undef INIT_SECTION_ASM_OP
+#undef FINI_SECTION_ASM_OP
+#undef STARTFILE_SPEC
+#undef ENDFILE_SPEC