deleted arm configs and unused thumb configs

1 files changed, 0 insertions, 521 deletions

diff --git a/gcc/config/arm/pe.c b/gcc/config/arm/pe.c
deleted file mode 100755
index 491f505..0000000
--- a/gcc/config/arm/pe.c
+++ /dev/null
@@ -1,521 +0,0 @@
-/* CYGNUS LOCAL dje/pe, entire file */
-/* Routines for GCC for ARM/pe.
-   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
-   Contributed by Doug Evans (dje@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.  */
-
-#include <stdio.h>
-#include <string.h>
-#include "config.h"
-#include "rtl.h"
-#include "output.h"
-#include "flags.h"
-#include "tree.h"
-#include "expr.h"
-
-extern int current_function_anonymous_args;
-
-/* ARM/PE specific attribute support.
-
-   ARM/PE has three new attributes:
-   naked - for interrupt functions
-   dllexport - for exporting a function/variable that will live in a dll
-   dllimport - for importing a function/variable from a dll
-
-   Microsoft allows multiple declspecs in one __declspec, separating
-   them with spaces.  We do NOT support this.  Instead, use __declspec
-   multiple times.
-*/
-
-/* Return nonzero if ATTR is a valid attribute for DECL.
-   ATTRIBUTES are any existing attributes and ARGS are the arguments
-   supplied with ATTR.  */
-
-int
-arm_pe_valid_machine_decl_attribute (decl, attributes, attr, args)
-     tree decl;
-     tree attributes;
-     tree attr;
-     tree args;
-{
-  if (args != NULL_TREE)
-    return 0;
-
-  if (is_attribute_p ("dllexport", attr))
-    return 1;
-  if (is_attribute_p ("dllimport", attr))
-    return 1;
-
-  return arm_valid_machine_decl_attribute (decl, attributes, attr, args);
-}
-
-#if 0 /* needed when we tried type attributes */
-/* Return zero if TYPE1 and TYPE2 are incompatible, one if they are compatible,
-   and two if they are nearly compatible (which causes a warning to be
-   generated).  */
-
-int
-arm_pe_comp_type_attributes (type1, type2)
-     tree type1, type2;
-{
-  type1 = TYPE_ATTRIBUTES (type1);
-  type2 = TYPE_ATTRIBUTES (type2);
-
-  if (lookup_attribute ("dllimport", type1)
-      && lookup_attribute ("dllexport", type2))
-    return 0;
-
-  if (lookup_attribute ("dllimport", type2)
-      && lookup_attribute ("dllexport", type1))
-    return 0;
-
-  return 1;
-}
-#endif
-
-/* Merge attributes in decls OLD and NEW.
-
-   This handles the following situation:
-
-   __declspec (dllimport) int foo;
-   int foo;
-
-   The second instance of `foo' nullifies the dllimport.  */
-
-tree
-arm_pe_merge_machine_decl_attributes (old, new)
-     tree old, new;
-{
-  tree a;
-  int delete_dllimport_p;
-
-  old = DECL_MACHINE_ATTRIBUTES (old);
-  new = DECL_MACHINE_ATTRIBUTES (new);
-
-  /* What we need to do here is remove from `old' dllimport if it doesn't
-     appear in `new'.  dllimport behaves like extern: if a declaration is
-     marked dllimport and a definition appears later, then the object
-     is not dllimport'd.  */
-
-  if (lookup_attribute ("dllimport", old) != NULL_TREE
-      && lookup_attribute ("dllimport", new) == NULL_TREE)
-    delete_dllimport_p = 1;
-  else
-    delete_dllimport_p = 0;
-
-  a = merge_attributes (old, new);
-
-  if (delete_dllimport_p)
-    {
-      tree prev,t;
-
-      /* Scan the list for dllimport and delete it.  */
-      for (prev = NULL_TREE, t = a; t; prev = t, t = TREE_CHAIN (t))
-	{
-	  if (is_attribute_p ("dllimport", TREE_PURPOSE (t)))
-	    {
-	      if (prev == NULL_TREE)
-		a = TREE_CHAIN (a);
-	      else
-		TREE_CHAIN (prev) = TREE_CHAIN (t);
-	      break;
-	    }
-	}
-    }
-
-  return a;
-}
-
-/* Check a type that has a virtual table, and see if any virtual methods are
-   marked for import or export, and if so, arrange for the vtable to
-   be imported or exported.  */
-
-static int
-arm_check_vtable_importexport (type)
-     tree type;
-{
-  tree methods = TYPE_METHODS (type);
-  tree fndecl;
-
-  if (TREE_CODE (methods) == FUNCTION_DECL)
-    fndecl = methods;
-  else if (TREE_VEC_ELT (methods, 0) != NULL_TREE)
-    fndecl = TREE_VEC_ELT (methods, 0);
-  else
-    fndecl = TREE_VEC_ELT (methods, 1);
-
-  while (fndecl)
-    {
-      if (DECL_VIRTUAL_P (fndecl) || DECL_VINDEX (fndecl) != NULL_TREE)
-	{
-	  tree exp = lookup_attribute ("dllimport",
-				       DECL_MACHINE_ATTRIBUTES (fndecl));
-	  if (exp == 0)
-	    exp = lookup_attribute ("dllexport",
-				    DECL_MACHINE_ATTRIBUTES (fndecl));
-	  if (exp)
-	    return 1;
-	}
-
-      fndecl = TREE_CHAIN (fndecl);
-    }
-
-  return 0;
-}
-
-/* Return non-zero if DECL is a dllexport'd object.  */
-
-tree current_class_type; /* FIXME */
-
-int
-arm_dllexport_p (decl)
-     tree decl;
-{
-  tree exp;
-
-  if (TREE_CODE (decl) != VAR_DECL
-      && TREE_CODE (decl) != FUNCTION_DECL)
-    return 0;
-  exp = lookup_attribute ("dllexport", DECL_MACHINE_ATTRIBUTES (decl));
-  if (exp)
-    return 1;
-
-#if 0 /* This was a hack to get vtable's exported or imported since only one
-	 copy of them is ever output.  Disabled pending better solution.  */
-  /* For C++, the vtables might have to be marked.  */
-  if (TREE_CODE (decl) == VAR_DECL && DECL_VIRTUAL_P (decl))
-    {
-      if (TREE_PUBLIC (decl)
-	  && DECL_EXTERNAL (decl) == 0
-	  && (DECL_CONTEXT (decl)
-	      ? arm_check_vtable_importexport (DECL_CONTEXT (decl))
-	      : current_class_type
-	      ? arm_check_vtable_importexport (current_class_type)
-	      : 0)
-	  )
-	return 1;
-    }
-#endif
-
-  return 0;
-}
-
-/* Return non-zero if DECL is a dllimport'd object.  */
-
-int
-arm_dllimport_p (decl)
-     tree decl;
-{
-  tree imp;
-
-  if (TREE_CODE (decl) == FUNCTION_DECL
-      && TARGET_NOP_FUN_DLLIMPORT)
-    return 0;
-
-  if (TREE_CODE (decl) != VAR_DECL
-      && TREE_CODE (decl) != FUNCTION_DECL)
-    return 0;
-  imp = lookup_attribute ("dllimport", DECL_MACHINE_ATTRIBUTES (decl));
-  if (imp)
-    return 1;
-
-#if 0 /* This was a hack to get vtable's exported or imported since only one
-	 copy of them is ever output.  Disabled pending better solution.  */
-  /* For C++, the vtables might have to be marked.  */
-  if (TREE_CODE (decl) == VAR_DECL && DECL_VIRTUAL_P (decl))
-    {
-      if (TREE_PUBLIC (decl)
-	  && DECL_EXTERNAL (decl)
-	  && (DECL_CONTEXT (decl)
-	      ? arm_check_vtable_importexport (DECL_CONTEXT (decl))
-	      : current_class_type
-	      ? arm_check_vtable_importexport (current_class_type)
-	      : 0)
-	  )
-	return 1;
-    }
-#endif
-
-  return 0;
-}
-
-/* Return non-zero if SYMBOL is marked as being dllexport'd.  */
-
-int
-arm_dllexport_name_p (symbol)
-     char *symbol;
-{
-  return symbol[0] == '@' && symbol[1] == 'e' && symbol[2] == '.';
-}
-
-/* Return non-zero if SYMBOL is marked as being dllimport'd.  */
-
-int
-arm_dllimport_name_p (symbol)
-     char *symbol;
-{
-  return symbol[0] == '@' && symbol[1] == 'i' && symbol[2] == '.';
-}
-
-/* Mark a DECL as being dllexport'd.
-   Note that we override the previous setting (eg: dllimport).  */
-
-void
-arm_mark_dllexport (decl)
-     tree decl;
-{
-  char *oldname, *newname;
-  rtx rtlname;
-  tree idp;
-
-  rtlname = XEXP (DECL_RTL (decl), 0);
-  if (GET_CODE (rtlname) == SYMBOL_REF)
-    oldname = XSTR (rtlname, 0);
-  else if (GET_CODE (rtlname) == MEM
-	   && GET_CODE (XEXP (rtlname, 0)) == SYMBOL_REF)
-    oldname = XSTR (XEXP (rtlname, 0), 0);
-  else
-    abort ();
-  if (arm_dllimport_name_p (oldname))
-    oldname += 9;
-  else if (arm_dllexport_name_p (oldname))
-    return; /* already done */
-
-  newname = alloca (strlen (oldname) + 4);
-  sprintf (newname, "@e.%s", oldname);
-
-  /* We pass newname through get_identifier to ensure it has a unique
-     address.  RTL processing can sometimes peek inside the symbol ref
-     and compare the string's addresses to see if two symbols are
-     identical.  */
-  /* ??? At least I think that's why we do this.  */
-  idp = get_identifier (newname);
-
-  XEXP (DECL_RTL (decl), 0) =
-    gen_rtx (SYMBOL_REF, Pmode, IDENTIFIER_POINTER (idp));
-}
-
-/* Mark a DECL as being dllimport'd.  */
-
-void
-arm_mark_dllimport (decl)
-     tree decl;
-{
-  char *oldname, *newname;
-  tree idp;
-  rtx rtlname, newrtl;
-
-  rtlname = XEXP (DECL_RTL (decl), 0);
-  if (GET_CODE (rtlname) == SYMBOL_REF)
-    oldname = XSTR (rtlname, 0);
-  else if (GET_CODE (rtlname) == MEM
-	   && GET_CODE (XEXP (rtlname, 0)) == SYMBOL_REF)
-    oldname = XSTR (XEXP (rtlname, 0), 0);
-  else
-    abort ();
-  if (arm_dllexport_name_p (oldname))
-    abort (); /* this shouldn't happen */
-  else if (arm_dllimport_name_p (oldname))
-    return; /* already done */
-
-  /* ??? One can well ask why we're making these checks here,
-     and that would be a good question.  */
-
-  /* Imported variables can't be initialized.  */
-  if (TREE_CODE (decl) == VAR_DECL
-      && !DECL_VIRTUAL_P (decl)
-      && DECL_INITIAL (decl))
-    {
-      error_with_decl (decl, "initialized variable `%s' is marked dllimport");
-      return;
-    }
-  /* Nor can they be static.  */
-  if (TREE_CODE (decl) == VAR_DECL
-      /* ??? Is this test for vtables needed?  */
-      && !DECL_VIRTUAL_P (decl)
-      && 0 /*???*/)
-    {
-      error_with_decl (decl, "static variable `%s' is marked dllimport");
-      return;
-    }
-
-  /* `extern' needn't be specified with dllimport.
-     Specify `extern' now and hope for the best.  Sigh.  */
-  if (TREE_CODE (decl) == VAR_DECL
-      /* ??? Is this test for vtables needed?  */
-      && !DECL_VIRTUAL_P (decl))
-    {
-      DECL_EXTERNAL (decl) = 1;
-      TREE_PUBLIC (decl) = 1;
-    }
-
-  newname = alloca (strlen (oldname) + 11);
-  sprintf (newname, "@i.__imp_%s", oldname);
-
-  /* We pass newname through get_identifier to ensure it has a unique
-     address.  RTL processing can sometimes peek inside the symbol ref
-     and compare the string's addresses to see if two symbols are
-     identical.  */
-  /* ??? At least I think that's why we do this.  */
-  idp = get_identifier (newname);
-
-  newrtl = gen_rtx (MEM, Pmode,
-		    gen_rtx (SYMBOL_REF, Pmode,
-			     IDENTIFIER_POINTER (idp)));
-  XEXP (DECL_RTL (decl), 0) = newrtl;
-}
-
-/* Cover function to implement ENCODE_SECTION_INFO.  */
-
-void
-arm_pe_encode_section_info (decl)
-     tree decl;
-{
-  /* This bit is copied from arm.h.  */
-  if (optimize > 0 && TREE_CONSTANT (decl)
-      && (!flag_writable_strings || TREE_CODE (decl) != STRING_CST))
-    {
-      rtx rtl = (TREE_CODE_CLASS (TREE_CODE (decl)) != 'd'
-                 ? TREE_CST_RTL (decl) : DECL_RTL (decl));
-      SYMBOL_REF_FLAG (XEXP (rtl, 0)) = 1;
-    }
-
-  /* Mark the decl so we can tell from the rtl whether the object is
-     dllexport'd or dllimport'd.  */
-
-  if (arm_dllexport_p (decl))
-    arm_mark_dllexport (decl);
-  else if (arm_dllimport_p (decl))
-    arm_mark_dllimport (decl);
-  /* It might be that DECL has already been marked as dllimport, but a
-     subsequent definition nullified that.  The attribute is gone but
-     DECL_RTL still has @i.__imp_foo.  We need to remove that.  */
-  else if ((TREE_CODE (decl) == FUNCTION_DECL
-	    || TREE_CODE (decl) == VAR_DECL)
-	   && DECL_RTL (decl) != NULL_RTX
-	   && GET_CODE (DECL_RTL (decl)) == MEM
-	   && GET_CODE (XEXP (DECL_RTL (decl), 0)) == MEM
-	   && GET_CODE (XEXP (XEXP (DECL_RTL (decl), 0), 0)) == SYMBOL_REF
-	   && arm_dllimport_name_p (XSTR (XEXP (XEXP (DECL_RTL (decl), 0), 0), 0)))
-    {
-      char *oldname = XSTR (XEXP (XEXP (DECL_RTL (decl), 0), 0), 0);
-      tree idp = get_identifier (oldname + 9);
-      rtx newrtl = gen_rtx (SYMBOL_REF, Pmode, IDENTIFIER_POINTER (idp));
-
-      XEXP (DECL_RTL (decl), 0) = newrtl;
-
-      /* We previously set TREE_PUBLIC and DECL_EXTERNAL.
-	 ??? We leave these alone for now.  */
-    }
-}
-
-/* Cover function for UNIQUE_SECTION.  */
-
-void
-arm_pe_unique_section (decl, reloc)
-     tree decl;
-     int reloc;
-{
-  int len;
-  char *name,*string,*prefix;
-
-  name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
-  /* Strip off any encoding in fnname.  */
-  STRIP_NAME_ENCODING (name, name);
-
-  /* The object is put in, for example, section .text$foo.
-     The linker will then ultimately place them in .text
-     (everything from the $ on is stripped).  */
-  if (TREE_CODE (decl) == FUNCTION_DECL)
-    prefix = ".text$";
-  else if (DECL_READONLY_SECTION (decl, reloc))
-    prefix = ".rdata$";
-  else
-    prefix = ".data$";
-  len = strlen (name) + strlen (prefix);
-  string = alloca (len + 1);
-  sprintf (string, "%s%s", prefix, name);
-
-  DECL_SECTION_NAME (decl) = build_string (len, string);
-}
-
-/* This is to better conform to the ARM PCS.
-   Richard Earnshaw hasn't put this into FSF sources yet so it's here.  */
-
-int
-arm_pe_return_in_memory (type)
-     tree type;
-{
-  if (TREE_CODE (type) == RECORD_TYPE)
-    {
-      tree field;
-      int num_fields = 0;
-
-      /* For a record containing just a single element, we can be a little
-	 less restrictive.  */
-      for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
-	{
-	  if (TREE_CODE (field) == FIELD_DECL && ! TREE_STATIC (field))
-	    {
-	      if ((AGGREGATE_TYPE_P (TREE_TYPE (field))
-		   && RETURN_IN_MEMORY (TREE_TYPE (field)))
-		  || FLOAT_TYPE_P (TREE_TYPE (field)))
-		return 1;
-	      num_fields++;
-	    }
-	}
-
-      if (num_fields == 1)
-	return 0;
-	    
-      /* For a struct, we can return in a register if every element was a
-	 bit-field and it all fits in one word.  */
-      for (field = TYPE_FIELDS (type); field;  field = TREE_CHAIN (field))
-	{
-	  if (TREE_CODE (field) == FIELD_DECL
-	      && ! TREE_STATIC (field)
-	      && (! DECL_BIT_FIELD_TYPE (field)
-		  || (TREE_INT_CST_LOW (DECL_FIELD_BITPOS (field))
-		      + TREE_INT_CST_LOW (DECL_SIZE (field))) > 32))
-	    return 1;
-	}
-      return 0;
-    }
-  else if (TREE_CODE (type) == UNION_TYPE
-	   || TREE_CODE (type) == QUAL_UNION_TYPE)
-    {
-      tree field;
-
-      /* Unions can be returned in registers if every element is
-	 integral, or can be returned in an integer register.  */
-      for (field = TYPE_FIELDS (type); field; field = TREE_CHAIN (field))
-	{
-	  if (TREE_CODE (field) == FIELD_DECL
-	      && ! TREE_STATIC (field)
-	      && ((AGGREGATE_TYPE_P (TREE_TYPE (field))
-		   && RETURN_IN_MEMORY (TREE_TYPE (field)))
-		  || FLOAT_TYPE_P (TREE_TYPE (field))))
-	    return 1;
-	}
-      return 0;
-    }
-  /* XXX Not sure what should be done for other aggregates, so put them in
-     memory. */
-  return 1;
-}