-/* Copyright (C) 1991 Free Software Foundation, Inc.
-
-This file is part of GLD, the Gnu Linker.
+/* mri.c -- handle MRI style linker scripts
+ Copyright (C) 1991-2020 Free Software Foundation, Inc.
+ Contributed by Steve Chamberlain <sac@cygnus.com>.
-GLD 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 1, or (at your option)
-any later version.
+ This file is part of the GNU Binutils.
-GLD 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.
+ 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.
-You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING. If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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 */
-/*
- contributed by Steve Chamberlain
- sac@cygnus.com
-
-*/
+/* This bit does the tree decoration when MRI style link scripts
+ are parsed. */
+#include "sysdep.h"
#include "bfd.h"
-#include "sysdep.h"
+#include "bfdlink.h"
+#include "ctf-api.h"
+#include "ld.h"
+#include "ldexp.h"
#include "ldlang.h"
+#include "ldmisc.h"
#include "mri.h"
-#include "ldexp.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 etree_type *base; /* Relocation base - or null */
+
+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
-DEFUN(mri_output_section, (name, vma),
- CONST char *name AND
- etree_type *vma)
+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)
{
- lang_output_section_statement_type *os;
+ if (!is)
+ {
+ char buf[20];
- os = lang_output_section_statement_lookup(name);
+ /* Some sections are digits. */
+ sprintf (buf, "%d", isn);
- if (os->addr_tree == (etree_type *)NULL) {
- os->addr_tree = vma;
- }
+ is = xstrdup (buf);
- os->flags = 0;
- os->block_value = 0;
- }
+ if (is == NULL)
+ abort ();
+ }
-/* if any ABSOLUTE <name> are in the script, only load those files
-marked thus */
+ mri_add_to_list (&alias, is, 0, want, 0, 0);
+}
-void DEFUN(mri_only_load,(name), CONST char *name)
- {
+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
+ einfo (_("%F%P: 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
-DEFUN(mri_load,(name),
- CONST char *name)
+mri_alignmod (const char *name, etree_type *exp)
{
+ mri_add_to_list (&subalignment, name, 0, 0, 0, exp);
+}
- lang_add_input_file(name, lang_input_file_is_file_enum, (char *)NULL);
+void
+mri_truncate (unsigned int exp)
+{
+ symbol_truncate = exp;
}
projects / deliverable / binutils-gdb.git / blobdiff