FSF GCC version 2.7.2

1 files changed, 139 insertions, 0 deletions

diff --git a/gnu/usr.bin/gcc/config/m88k/sysv3.h b/gnu/usr.bin/gcc/config/m88k/sysv3.h
new file mode 100644
index 00000000000..62fe8973d4f
--- /dev/null
+++ b/gnu/usr.bin/gcc/config/m88k/sysv3.h
@@ -0,0 +1,139 @@
+/* Definitions of target machine for GNU compiler.
+   Motorola m88100 running the AT&T/Unisoft/Motorola V.3 reference port.
+   Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+   Contributed by Ray Essick (ressick@mot.com)
+   Enhanced by Tom Wood (Tom_Wood@NeXT.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 "m88k/m88k.h"
+
+/* Default switches */
+#undef	TARGET_DEFAULT
+#define TARGET_DEFAULT	(MASK_CHECK_ZERO_DIV	| \
+			 MASK_OCS_DEBUG_INFO	| \
+			 MASK_OCS_FRAME_POSITION)
+
+/* Macros to be automatically defined.  */
+#undef	CPP_PREDEFINES
+#define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DsysV88 -D__CLASSIFY_TYPE__=2 -Asystem(unix) -Asystem(svr3) -Acpu(m88k) -Amachine(m88k)"
+
+/* Override svr3.h to link with ?crt0.o instead of ?crt1.o and ?crtn.o.
+   From arul@sdsu.edu.  */
+#undef	STARTFILE_SPEC
+#define STARTFILE_SPEC \
+   "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} crtbegin.o%s"
+
+/* Profiled libraries live in a different directory but keep the same
+   names other than that.  arul@sdsu.edu says -lg is always needed.  */
+#undef	LIB_SPEC
+#define LIB_SPEC "%{p:-L/lib/libp}%{pg:%{!p:-L/lib/libp}} -lg -lc crtend.o%s"
+
+/* Hot version of the profiler that uses r10 to pass the address of
+   the counter.  the _gcc_mcount routine knows not to screw with
+   the parameter registers.
+
+   DG/UX does this; i wrote a gnu-c/88k specific version and put it
+   in libgcc2.c -- RBE; this macro knows about the leading underscore
+   convention.  */
+#undef	FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO) \
+  output_function_profiler (FILE, LABELNO, "_gcc_mcount", 0)
+
+/* Various other changes that we want to have in place without
+   too many changes to the m88k.h file.  */
+#undef	USE_LIBG
+#define	USE_LIBG
+
+/* Define a few machine-specific details of the implementation of
+   constructors.  */
+
+/* Although the .init section is used, it is not automatically invoked.  */
+#define INVOKE__main
+
+/* State that atexit exists so __do_global_ctors will register
+   __do_global_dtors.  */
+#define HAVE_ATEXIT
+
+#define CTOR_LIST_BEGIN	    		\
+  asm (INIT_SECTION_ASM_OP);		\
+  asm ("\tsubu\t r31,r31,16");	/* (STACK_BOUNDARY / BITS_PER_UNIT) == 16 */ \
+  asm ("\tst\t r0,r31,32");	/* REG_PARM_STACK_SPACE (0) == 32 */
+#define CTOR_LIST_END
+
+/* ASM_OUTPUT_CONSTRUCTOR outputs code into the .init section to push the
+   address of the constructor.  This becomes the body of __do_global_ctors
+   in crtstuff.c.  r13 is a temporary register.  */
+#undef	ASM_OUTPUT_CONSTRUCTOR
+#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME)				\
+  do {									\
+    init_section ();							\
+    fprintf (FILE, "\tor.u\t r13,r0,hi16(");				\
+    assemble_name (FILE, NAME);						\
+    fprintf (FILE, ")\n\tor\t r13,r13,lo16(");				\
+    assemble_name (FILE, NAME);						\
+    fprintf (FILE, ")\n\tsubu\t r31,r31,%d\n\tst\t r13,r31,%d\n",	\
+	     STACK_BOUNDARY / BITS_PER_UNIT, REG_PARM_STACK_SPACE (0));	\
+  } while (0)
+
+#undef	DO_GLOBAL_CTORS_BODY
+#define DO_GLOBAL_CTORS_BODY						\
+do {									\
+  func_ptr *__CTOR_LIST__ = __builtin_alloca (1), *p;			\
+  for (p = __CTOR_LIST__ + 4; *p; p += 4)				\
+    (*p) ();								\
+} while (0)
+
+#define DTOR_LIST_BEGIN							\
+  asm (FINI_SECTION_ASM_OP);						\
+  func_ptr __DTOR_LIST__[4] = { (func_ptr) (-1), (func_ptr) (-1),	\
+				(func_ptr) (-1), (func_ptr) (-1) }
+#define DTOR_LIST_END						  	\
+  asm (FINI_SECTION_ASM_OP);						\
+  func_ptr __DTOR_END__[4] = { (func_ptr) 0, (func_ptr) 0,		\
+			       (func_ptr) 0, (func_ptr) 0 }  
+
+/* A C statement (sans semicolon) to output an element in the table of
+   global destructors.  The table is constructed in the .fini section
+   so that an explicit linker script is not required.  The complication
+   is that this section is padded with NOP instructions and to either
+   8 or 16 byte alignment depending on the specific system.  A clever
+   way to avoid trouble is to output a block of 16 bytes where the
+   extra words are known values (-1).  */
+#undef	ASM_OUTPUT_DESTRUCTOR
+#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME)	\
+  do {						\
+    register int i;				\
+    fini_section ();				\
+    fprintf (FILE, "\t%s\t ", ASM_LONG);	\
+    assemble_name (FILE,NAME);			\
+    fprintf (FILE, "\n");			\
+    for (i = 1; i < 4; i++)			\
+      fprintf (FILE, "\t%s\t -1\n", ASM_LONG);	\
+    } while (0)
+
+/* Walk the list looking for the terminating zero and ignoring all values of
+   -1.  */
+#undef	DO_GLOBAL_DTORS_BODY
+#define DO_GLOBAL_DTORS_BODY			\
+  do {						\
+    int i;					\
+    for (i = 0; __DTOR_LIST__[i] != 0; i++)	\
+      if (((int *)__DTOR_LIST__)[i] != -1)	\
+	__DTOR_LIST__[i] ();			\
+  } while (0)