config.gcc (h8300-*-elf*): New case.

	* config.gcc (h8300-*-elf*): New case.
	* h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
	(SUBTARGET_CPP_SPEC): Define.
	(EXTRA_SPECS): Define.
	(SUBTARGET_EXTRA_SPECS): Define.
	* config/h8300/crti.asm, config/h8300/crtn.asm: New files.
	* config/h8300/elf.h, config/h8300/t-elf: Likewise.

From-SVN: r45293

6 files changed, 158 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a725b4f..23b7a1e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+Thu Aug 30 16:22:41 2001  J"orn Rennecke <amylaar@redhat.com>
+
+	* config.gcc (h8300-*-elf*): New case.
+	* h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
+	(SUBTARGET_CPP_SPEC): Define.
+	(EXTRA_SPECS): Define.
+	(SUBTARGET_EXTRA_SPECS): Define.
+	* config/h8300/crti.asm, config/h8300/crtn.asm: New files.
+	* config/h8300/elf.h, config/h8300/t-elf: Likewise.
+
 Thu Aug 30 18:50:37 2001  J"orn Rennecke <amylaar@redhat.com>
 
 	* t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
diff --git a/gcc/config/h8300/crti.asm b/gcc/config/h8300/crti.asm
new file mode 100644
index 0000000..2ebd15f
--- /dev/null
+++ b/gcc/config/h8300/crti.asm
@@ -0,0 +1,53 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+
+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.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+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 this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* The code in sections .init and .fini is supposed to be a single
+   regular function.  The function in .init is called directly from
+   start in crt1.asm.  The function in .fini is atexit()ed in crt1.asm
+   too.
+
+   crti.asm contributes the prologue of a function to these sections,
+   and crtn.asm comes up the epilogue.  STARTFILE_SPEC should list
+   crti.o before any other object files that might add code to .init
+   or .fini sections, and ENDFILE_SPEC should list crtn.o after any
+   such object files.  */
+
+#ifdef __H8300H__
+	.h8300h
+#endif
+
+#ifdef __H8300S__
+	.h8300s
+#endif
+
+	.section .init
+        .global  __init
+__init:
+        .section .fini
+        .global  __fini
+__fini:  
diff --git a/gcc/config/h8300/crtn.asm b/gcc/config/h8300/crtn.asm
new file mode 100644
index 0000000..fe29fe6
--- /dev/null
+++ b/gcc/config/h8300/crtn.asm
@@ -0,0 +1,43 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+   This file was adapted from glibc sources.
+
+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.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file.  (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+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 this program; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* See an explanation about .init and .fini in crti.asm.  */
+
+#ifdef __H8300H__
+	.h8300h
+#endif
+
+#ifdef __H8300S__
+	.h8300s
+#endif
+	.section .init
+	rts
+
+	.section .fini
+	rts
diff --git a/gcc/config/h8300/elf.h b/gcc/config/h8300/elf.h
new file mode 100644
index 0000000..e23af4a
--- /dev/null
+++ b/gcc/config/h8300/elf.h
@@ -0,0 +1,36 @@
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "-D__ELF__"
+
+/* Undefine some macros defined in h8300 that conflict with elfos.h .  */
+#undef SDB_DEBUGGING_INFO
+#undef DBX_DEBUGGING_INFO
+#undef ASM_OUTPUT_IDENT
+#undef IDENT_ASM_OP
+#undef CTORS_SECTION_ASM_OP
+#undef DTORS_SECTION_ASM_OP
+#undef INIT_SECTION_ASM_OP
+#undef READONLY_DATA_SECTION
+#undef ASM_OUTPUT_CONSTRUCTOR
+#undef ASM_OUTPUT_DESTRUCTOR
+#undef TARGET_ASM_NAMED_SECTION
+#undef TARGET_MEM_FUNCTIONS
+#undef PREFERRED_DEBUGGING_TYPE
+/* ??? h8300.h defines PCC_BITFIELD_TYPE_MATTERS to 0, but it
+   doesn't define STRUCTURE_SIZE_BOUNDARY, nor does h8300.md
+   have a full set of bit field instructions.  */
+#undef PCC_BITFIELD_TYPE_MATTERS
+
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+#include "elfos.h"
+
+/* Output at beginning/end of assembler file.  */
+#undef ASM_FILE_START
+#define ASM_FILE_START(FILE)                            \
+  (output_file_directive ((FILE), main_input_filename), \
+   asm_file_start (FILE))
+
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX "_"
+
+#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
diff --git a/gcc/config/h8300/h8300.h b/gcc/config/h8300/h8300.h
index ea1d3e8..6ec826e 100644
--- a/gcc/config/h8300/h8300.h
+++ b/gcc/config/h8300/h8300.h
@@ -50,12 +50,21 @@ extern const char * const *h8_reg_names;
    %{!mh:%{!ms:-Acpu=h8300 -Amachine=h8300}} \
    %{mh:-Acpu=h8300h -Amachine=h8300h} \
    %{ms:-Acpu=h8300s -Amachine=h8300s} \
-   %{!mint32:-D__INT_MAX__=32767} %{mint32:-D__INT_MAX__=2147483647}"
+   %{!mint32:-D__INT_MAX__=32767} %{mint32:-D__INT_MAX__=2147483647} \
+   %(subtarget_cpp_spec)"
+
+#define SUBTARGET_CPP_SPEC ""
 
 #define LINK_SPEC "%{mh:-m h8300h} %{ms:-m h8300s}"
 
 #define LIB_SPEC "%{mrelax:-relax} %{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
 
+#define EXTRA_SPECS						\
+  { "subtarget_cpp_spec", SUBTARGET_CPP_SPEC },	\
+  SUBTARGET_EXTRA_SPECS
+
+#define SUBTARGET_EXTRA_SPECS
+
 /* Print subsidiary information on the compiler version in use.  */
 
 #define TARGET_VERSION fprintf (stderr, " (Hitachi H8/300)");
diff --git a/gcc/config/h8300/t-elf b/gcc/config/h8300/t-elf
new file mode 100644
index 0000000..c1f1dac
--- /dev/null
+++ b/gcc/config/h8300/t-elf
@@ -0,0 +1,6 @@
+EXTRA_MULTILIB_PARTS= crti.o crtn.o crtbegin.o crtend.o
+
+$(T)crti.o: $(srcdir)/config/h8300/crti.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(MULTILIB_CFLAGS) -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/h8300/crti.asm
+$(T)crtn.o: $(srcdir)/config/h8300/crtn.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(MULTILIB_CFLAGS) -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/h8300/crtn.asm