Add upstream binutils-2.25 snapshot 4/4 2014

For MIPS -mmsa support

Change-Id: I08c4f002fa7b33dec85ed75956e6ab551bb03c96

1 files changed, 319 insertions, 0 deletions

diff --git a/binutils-2.25/ld/mri.c b/binutils-2.25/ld/mri.c
new file mode 100644
index 00000000..450cdf73
--- /dev/null
+++ b/binutils-2.25/ld/mri.c
@@ -0,0 +1,319 @@
+/* mri.c -- handle MRI style linker scripts
+   Copyright 1991, 1992, 1993, 1994, 1996, 1997, 1998, 1999, 2000, 2001,
+   2002, 2003, 2004, 2005, 2007, 2011 Free Software Foundation, Inc.
+   Contributed by Steve Chamberlain <sac@cygnus.com>.
+
+   This file is part of the GNU Binutils.
+
+   This program 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 3 of the License, or
+   (at your option) any later version.
+
+   This program 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; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+
+/* This bit does the tree decoration when MRI style link scripts
+   are parsed.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "ld.h"
+#include "ldexp.h"
+#include "ldlang.h"
+#include "ldmisc.h"
+#include "mri.h"
+#include <ldgram.h>
+#include "libiberty.h"
+
+struct section_name_struct {
+  struct section_name_struct *next;
+  const char *name;
+  const char *alias;
+  etree_type *vma;
+  etree_type *align;
+  etree_type *subalign;
+  int ok_to_load;
+};
+
+static unsigned int symbol_truncate = 10000;
+static struct section_name_struct *order;
+static struct section_name_struct *only_load;
+static struct section_name_struct *address;
+static struct section_name_struct *alias;
+
+static struct section_name_struct *alignment;
+static struct section_name_struct *subalignment;
+
+static struct section_name_struct **
+lookup (const char *name, struct section_name_struct **list)
+{
+  struct section_name_struct **ptr = list;
+
+  while (*ptr)
+    {
+      if (strcmp (name, (*ptr)->name) == 0)
+	/* If this is a match, delete it, we only keep the last instance
+	   of any name.  */
+	*ptr = (*ptr)->next;
+      else
+	ptr = &((*ptr)->next);
+    }
+
+  *ptr = (struct section_name_struct *)
+      xmalloc (sizeof (struct section_name_struct));
+  return ptr;
+}
+
+static void
+mri_add_to_list (struct section_name_struct **list,
+		 const char *name,
+		 etree_type *vma,
+		 const char *zalias,
+		 etree_type *align,
+		 etree_type *subalign)
+{
+  struct section_name_struct **ptr = lookup (name, list);
+
+  (*ptr)->name = name;
+  (*ptr)->vma = vma;
+  (*ptr)->next = NULL;
+  (*ptr)->ok_to_load = 0;
+  (*ptr)->alias = zalias;
+  (*ptr)->align = align;
+  (*ptr)->subalign = subalign;
+}
+
+void
+mri_output_section (const char *name, etree_type *vma)
+{
+  mri_add_to_list (&address, name, vma, 0, 0, 0);
+}
+
+/* If any ABSOLUTE <name> are in the script, only load those files
+   marked thus.  */
+
+void
+mri_only_load (const char *name)
+{
+  mri_add_to_list (&only_load, name, 0, 0, 0, 0);
+}
+
+void
+mri_base (etree_type *exp)
+{
+  base = exp;
+}
+
+static int done_tree = 0;
+
+void
+mri_draw_tree (void)
+{
+  if (done_tree)
+    return;
+
+  /* Now build the statements for the ldlang machine.  */
+
+  /* Attach the addresses of any which have addresses,
+     and add the ones not mentioned.  */
+  if (address != NULL)
+    {
+      struct section_name_struct *alist;
+      struct section_name_struct *olist;
+
+      if (order == NULL)
+	order = address;
+
+      for (alist = address;
+	   alist != NULL;
+	   alist = alist->next)
+	{
+	  int done = 0;
+
+	  for (olist = order; done == 0 && olist != NULL; olist = olist->next)
+	    {
+	      if (strcmp (alist->name, olist->name) == 0)
+		{
+		  olist->vma = alist->vma;
+		  done = 1;
+		}
+	    }
+
+	  if (!done)
+	    {
+	      /* Add this onto end of order list.  */
+	      mri_add_to_list (&order, alist->name, alist->vma, 0, 0, 0);
+	    }
+	}
+    }
+
+  /* If we're only supposed to load a subset of them in, then prune
+     the list.  */
+  if (only_load != NULL)
+    {
+      struct section_name_struct *ptr1;
+      struct section_name_struct *ptr2;
+
+      if (order == NULL)
+	order = only_load;
+
+      /* See if this name is in the list, if it is then we can load it.  */
+      for (ptr1 = only_load; ptr1; ptr1 = ptr1->next)
+	for (ptr2 = order; ptr2; ptr2 = ptr2->next)
+	  if (strcmp (ptr2->name, ptr1->name) == 0)
+	    ptr2->ok_to_load = 1;
+    }
+  else
+    {
+      /* No only load list, so everything is ok to load.  */
+      struct section_name_struct *ptr;
+
+      for (ptr = order; ptr; ptr = ptr->next)
+	ptr->ok_to_load = 1;
+    }
+
+  /* Create the order of sections to load.  */
+  if (order != NULL)
+    {
+      /* Been told to output the sections in a certain order.  */
+      struct section_name_struct *p = order;
+
+      while (p)
+	{
+	  struct section_name_struct *aptr;
+	  etree_type *align = 0;
+	  etree_type *subalign = 0;
+	  struct wildcard_list *tmp;
+
+	  /* See if an alignment has been specified.  */
+	  for (aptr = alignment; aptr; aptr = aptr->next)
+	    if (strcmp (aptr->name, p->name) == 0)
+	      align = aptr->align;
+
+	  for (aptr = subalignment; aptr; aptr = aptr->next)
+	    if (strcmp (aptr->name, p->name) == 0)
+	      subalign = aptr->subalign;
+
+	  if (base == 0)
+	    base = p->vma ? p->vma : exp_nameop (NAME, ".");
+
+	  lang_enter_output_section_statement (p->name, base,
+					       p->ok_to_load ? normal_section : noload_section,
+					       align, subalign, NULL, 0, 0);
+	  base = 0;
+	  tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
+	  tmp->next = NULL;
+	  tmp->spec.name = p->name;
+	  tmp->spec.exclude_name_list = NULL;
+	  tmp->spec.sorted = none;
+	  tmp->spec.section_flag_list = NULL;
+	  lang_add_wild (NULL, tmp, FALSE);
+
+	  /* If there is an alias for this section, add it too.  */
+	  for (aptr = alias; aptr; aptr = aptr->next)
+	    if (strcmp (aptr->alias, p->name) == 0)
+	      {
+		tmp = (struct wildcard_list *) xmalloc (sizeof *tmp);
+		tmp->next = NULL;
+		tmp->spec.name = aptr->name;
+		tmp->spec.exclude_name_list = NULL;
+		tmp->spec.sorted = none;
+		tmp->spec.section_flag_list = NULL;
+		lang_add_wild (NULL, tmp, FALSE);
+	      }
+
+	  lang_leave_output_section_statement (0, "*default*", NULL, NULL);
+
+	  p = p->next;
+	}
+    }
+
+  done_tree = 1;
+}
+
+void
+mri_load (const char *name)
+{
+  base = 0;
+  lang_add_input_file (name, lang_input_file_is_file_enum, NULL);
+}
+
+void
+mri_order (const char *name)
+{
+  mri_add_to_list (&order, name, 0, 0, 0, 0);
+}
+
+void
+mri_alias (const char *want, const char *is, int isn)
+{
+  if (!is)
+    {
+      char buf[20];
+
+      /* Some sections are digits.  */
+      sprintf (buf, "%d", isn);
+
+      is = xstrdup (buf);
+
+      if (is == NULL)
+	abort ();
+    }
+
+  mri_add_to_list (&alias, is, 0, want, 0, 0);
+}
+
+void
+mri_name (const char *name)
+{
+  lang_add_output (name, 1);
+}
+
+void
+mri_format (const char *name)
+{
+  if (strcmp (name, "S") == 0)
+    lang_add_output_format ("srec", NULL, NULL, 1);
+
+  else if (strcmp (name, "IEEE") == 0)
+    lang_add_output_format ("ieee", NULL, NULL, 1);
+
+  else if (strcmp (name, "COFF") == 0)
+    lang_add_output_format ("coff-m68k", NULL, NULL, 1);
+
+  else
+    einfo (_("%P%F: unknown format type %s\n"), name);
+}
+
+void
+mri_public (const char *name, etree_type *exp)
+{
+  lang_add_assignment (exp_assign (name, exp, FALSE));
+}
+
+void
+mri_align (const char *name, etree_type *exp)
+{
+  mri_add_to_list (&alignment, name, 0, 0, exp, 0);
+}
+
+void
+mri_alignmod (const char *name, etree_type *exp)
+{
+  mri_add_to_list (&subalignment, name, 0, 0, 0, exp);
+}
+
+void
+mri_truncate (unsigned int exp)
+{
+  symbol_truncate = exp;
+}