configure.in (m68k-*-rtemscoff*): Added.

        * configure.in (m68k-*-rtemscoff*): Added.
        * configure.in (mips64orion-*-rtems*): Converted to ELF.
        * configure.in (sparc-*-rtemsaout*): Added as alias for old
        sparc-rtems configuration.
        * configure.in (sparc-*-rtemself*): Added.
        * configure.in (sparc-*-rtems*): Now ELF not a.out.
        * config/i386/rtems.h: Added comment.
        * config/sparc/rtemself.h: New file.

        * configure.in (m68k-rtemself): Added.
        * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
        and DWARF_DEBUGGING_INFO.
        * config/m68k/crti.s: New file.
        * config/m68k/crtn.s: New file.
        * config/m68k/t-crtstuff: New file.
        * config/m68k/rtemself.h: New file.

        * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
        global ctor/dtor and C++ exception handling.
        * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
        for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
        ENDFILE_SPEC.
        * config/i386/t-rtems-i386: New File.

Co-Authored-By: Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
Co-Authored-By: Rosimildo DaSilva <rdasilva@connecttel.com>

From-SVN: r29401

gcc/ChangeLog

+Tue Sep 14 03:47:23 1999  Joel Sherrill <joel@OARcorp.com>
+			  Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
+			  Rosimildo DaSilva <rdasilva@connecttel.com>
+
+	* configure.in (m68k-*-rtemscoff*): Added.
+	* configure.in (mips64orion-*-rtems*): Converted to ELF.
+	* configure.in (sparc-*-rtemsaout*): Added as alias for old
+	sparc-rtems configuration.
+	* configure.in (sparc-*-rtemself*): Added.
+	* configure.in (sparc-*-rtems*): Now ELF not a.out.
+	* config/i386/rtems.h: Added comment.
+	* config/sparc/rtemself.h: New file.
+
+	* configure.in (m68k-rtemself): Added.
+	* config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
+	and DWARF_DEBUGGING_INFO.
+	* config/m68k/crti.s: New file.
+	* config/m68k/crtn.s: New file.
+	* config/m68k/t-crtstuff: New file.
+	* config/m68k/rtemself.h: New file.
+
+	* configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
+	global ctor/dtor and C++ exception handling.
+	* config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
+	for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
+	ENDFILE_SPEC.
+	* config/i386/t-rtems-i386: New File.
+
 Tue Sep 14 09:47:41 1999  Andreas Schwab  <schwab@suse.de>
 
 	* stmt.c (expand_end_case): Return right away if the case stack is

gcc/config/elfos.h

@@ -69,11 +69,15 @@ do {				 				\
 
 /* System V Release 4 uses DWARF debugging info.  */
 
-#define DWARF_DEBUGGING_INFO
+#ifndef DWARF_DEBUGGING_INFO
+#define DWARF_DEBUGGING_INFO 1
+#endif
 
 /* All ELF targets can support DWARF-2.  */
 
-#define DWARF2_DEBUGGING_INFO
+#ifndef DWARF2_DEBUGGING_INFO
+#define DWARF2_DEBUGGING_INFO 1
+#endif
 
 /* Also allow them to support STABS debugging.  */
 

gcc/config/i386/rtems.h

@@ -32,3 +32,4 @@ Boston, MA 02111-1307, USA.  */
 #define TARGET_MEM_FUNCTIONS
 #endif
 
+/* end of i386/rtems.h */

gcc/config/i386/rtemself.h

@@ -163,7 +163,9 @@ Boston, MA 02111-1307, USA.  */
   asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
 
 #undef STARTFILE_SPEC
-#define STARTFILE_SPEC  "crt0.o%s"
+#define STARTFILE_SPEC "crt0.o%s crti.o%s crtbegin.o%s"
 
 #undef ENDFILE_SPEC
+#define ENDFILE_SPEC   "crtend.o%s crtn.o%s"
+
      

gcc/config/i386/t-rtems-i386

+#
+# This file was based on t-sol2 - x68 Solaris implementation. Actually,
+# the source code to create crti.o anf crtn.o are exactly the same 
+# as the ones for Solaris. Later, we might want to have a RTEMS's 
+# version of these files.
+#
+
+LIBGCC1 = 
+CROSS_LIBGCC1 = 
+
+crti.o: $(srcdir)/config/i386/sol2-ci.asm $(GCC_PASSES)
+	sed -e '/^!/d' <$(srcdir)/config/i386/sol2-ci.asm >crti.s
+	$(GCC_FOR_TARGET) -c -o crti.o crti.s
+crtn.o: $(srcdir)/config/i386/sol2-cn.asm $(GCC_PASSES)
+	sed -e '/^!/d' <$(srcdir)/config/i386/sol2-cn.asm >crtn.s
+	$(GCC_FOR_TARGET) -c -o crtn.o crtn.s
+

gcc/config/m68k/crti.s

+/* Specialized code needed to support construction and destruction of
+   file-scope objects in C++ and Java code, and to support exception handling.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   Contributed by Charles-Antoine Gauthier (charles.gauthier@iit.nrc.ca).
+
+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.  */
+
+/* As a special exception, if you link this library with files
+   compiled with GCC to produce an executable, this does not cause
+   the resulting executable to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+/*
+ * This file just supplies function prologues for the .init and .fini
+ * sections.  It is linked in before crtbegin.o.
+ */
+
+	.file   "crti.o"
+	.ident  "GNU C crti.o"
+
+	.section .init
+	.globl  _init
+	.type   _init,@function
+_init:
+	linkw %fp,#0
+
+	.section .fini
+	.globl  _fini
+	.type   _fini,@function
+_fini:
+	linkw %fp,#0

gcc/config/m68k/crtn.s

+/* Specialized code needed to support construction and destruction of
+   file-scope objects in C++ and Java code, and to support exception handling.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   Contributed by Charles-Antoine Gauthier (charles.gauthier@iit.nrc.ca).
+
+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.  */
+
+/* As a special exception, if you link this library with files
+   compiled with GCC to produce an executable, this does not cause
+   the resulting executable to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+/*
+ * This file supplies function epilogues for the .init and .fini sections.
+ * It is linked in after all other files.
+ */
+
+	.file   "crtn.o"
+	.ident  "GNU C crtn.o"
+
+	.section .init
+	unlk %fp
+	rts
+
+	.section .fini
+	unlk %fp
+	rts

gcc/config/m68k/rtemself.h

+/* Definitions for rtems targeting a Motorola m68k using elf.
+   Copyright (C) 1999, National Research Council of Canada.
+   Contributed by Charles-Antoine Gauthier (charles.gauthier@nrc.ca).
+
+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.  */
+
+
+#define MOTOROLA       /* Use Motorola syntax rather than MIT.  */
+
+#include "m68k/m68020-elf.h"
+
+/* Specify predefined symbols in preprocessor.  */
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dmc68000 -Drtems -D__rtems__ -D__ELF__ \
+   -Asystem(rtems) -Acpu(mc68000) -Acpu(m68k) -Amachine(m68k)"
+
+/* Generate calls to memcpy, memcmp and memset.  */
+#ifndef TARGET_MEM_FUNCTIONS
+#define TARGET_MEM_FUNCTIONS
+#endif
+
+/*
+ *  Each RTEMS BSP provides its own crt0 and linker script.  Unfortunately
+ *  this means that crt0 and the linker script are not available as
+ *  each tool is configured.  Without a crt0 and linker script, m68k ELF
+ *  targets do not successfully link "conftest.c" during the configuration
+ *  process.  RTEMS supplies a crt0.c that provides all the symbols required
+ *  to successfully link a program.  The resulting program will not run 
+ *  but this is enough to satisfy the autoconf macro AC_PROG_CC.
+ *  Override STARTFILE_SPEC to use the fake crt0.o supplied by rtems.
+ */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "crt0.o%s"
+
+/*
+ *  Redefine INIT_SECTION_ASM_OP and FINI_SECTION_ASM_OP. This is the easiest
+ *  way to process constructors, destructors, and the exception frame
+ *  information at startup.
+ */
+#undef INIT_SECTION_ASM_OP
+#define INIT_SECTION_ASM_OP    ".section\t.init"
+#undef FINI_SECTION_ASM_OP
+#define FINI_SECTION_ASM_OP    ".section\t.fini"
+
+#undef EH_FRAME_SECTION_ASM_OP
+#define EH_FRAME_SECTION_ASM_OP        ".section\t.eh_frame"
+
+/* Do I need this? */
+#undef INVOKE__main
+
+

gcc/config/m68k/t-crtstuff

+# from ../t-svr4
+EXTRA_PARTS=crtbegin.o crtend.o crti.o crtn.o
+
+# Add flags here as required.
+CRTSTUFF_T_CFLAGS =
+
+# Assemble startup files.
+crti.o: $(srcdir)/config/m68k/crti.s $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -c -o crti.o $(srcdir)/config/m68k/crti.s
+crtn.o: $(srcdir)/config/m68k/crtn.s $(GCC_PASSES)
+	$(GCC_FOR_TARGET) -c -o crtn.o $(srcdir)/config/m68k/crtn.s

gcc/config/sparc/rtemself.h

+/* Definitions for rtems targeting a SPARC using a.out.
+   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+   Contributed by Joel Sherrill (joel@OARcorp.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.  */
+
+#include "sparc/elf.h"
+
+/* Specify predefined symbols in preprocessor.  */
+
+#undef CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dsparc -D__GCC_NEW_VARARGS__ -Drtems -D__rtems__ \
+  -Asystem(rtems) -Acpu(sparc) -Amachine(sparc)"
+
+/* Generate calls to memcpy, memcmp and memset.  */
+#ifndef TARGET_MEM_FUNCTIONS
+#define TARGET_MEM_FUNCTIONS
+#endif
+
+/* end of sparc/rtems.h */

gcc/configure.in

@@ -1456,14 +1456,15 @@ changequote([,])dnl
 		tmake_file="i386/t-go32 t-rtems"
 		;;
 changequote(,)dnl
-	i[34567]86-*-rtemself*)
+	i[34567]86-*-rtems*|i[34567]86-*-rtemself*)
 changequote([,])dnl
 		cpu_type=i386
 		tm_file=i386/rtemself.h
-		tmake_file="i386/t-i386bare t-rtems"
+		extra_parts="crtbegin.o crtend.o crti.o crtn.o"
+		tmake_file="i386/t-rtems-i386 i386/t-crtstuff t-rtems"
 		;;
 changequote(,)dnl
-	i[34567]86-*-rtems*)
+	i[34567]86-*-rtemscoff*)
 changequote([,])dnl
 		cpu_type=i386
 		tm_file=i386/rtems.h
@@ -2233,13 +2234,18 @@ changequote([,])dnl
 		extra_headers=math-68881.h
 		float_format=m68k
 		;;
-	m68k-*-rtems*)
+	m68k-*-rtemscoff*|m68k-*-rtems*)
 		tmake_file="m68k/t-m68kbare t-rtems"
 		tm_file=m68k/rtems.h
 		extra_headers=math-68881.h
 		float_format=m68k
 		;;
-
+	m68k-*-rtemself*)
+		tmake_file="m68k/t-m68kbare t-rtems m68k/t-crtstuff"
+		tm_file=m68k/rtemself.h
+		extra_headers=math-68881.h
+		float_format=m68k
+		;;
 	m88k-dg-dgux*)
 		case $machine in
 		  m88k-dg-dguxbcs*)
@@ -2769,7 +2775,8 @@ changequote([,])dnl
 		;;
 	mips64orion-*-rtems*)
 		tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h"
-		tmake_file="mips/t-ecoff t-rtems"
+                tm_file="mips/elforion.h mips/elf64.h mips/rtems64.h"
+		tmake_file="mips/t-elf t-rtems"
 		;;
 	mipstx39el-*-elf*)
 		tm_file="mips/r3900.h mips/elfl.h mips/abi64.h"
@@ -3217,7 +3224,14 @@ changequote([,])dnl
 		tmake_file=sparc/t-sunos41
 		xmake_file=x-lynx
 		;;
-	sparc-*-rtems*)
+	sparc-*-rtems*|sparc-*-rtemself*)
+		tm_file="sparc/rtemself.h"
+		tmake_file="sparc/t-elf t-rtems"
+		extra_parts="crti.o crtn.o crtbegin.o crtend.o"
+		#float_format=i128
+		float_format=i64
+		;;
+	sparc-*-rtemsaout*)
 		tmake_file="sparc/t-sparcbare t-rtems"
 		tm_file=sparc/rtems.h
 		;;