/* Linker command language support.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002
+ 2001, 2002, 2003
Free Software Foundation, Inc.
-This file is part of GLD, the Gnu Linker.
+ This file is part of GLD, the Gnu Linker.
-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 2, or (at your option)
-any later version.
+ 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 2, or (at your option)
+ any later version.
-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.
+ 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.
-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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+ 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, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "ldmain.h"
#include "ldexp.h"
#include "ldlang.h"
-#include "ldgram.h"
+#include <ldgram.h>
#include "ldlex.h"
#include "ldmisc.h"
#include "ldctor.h"
#include "fnmatch.h"
#include "demangle.h"
-/* FORWARDS */
-static lang_statement_union_type *new_statement
- PARAMS ((enum statement_enum, size_t, lang_statement_list_type *));
+#ifndef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) & (((TYPE*) 0)->MEMBER))
+#endif
-/* LOCALS */
+/* Locals variables. */
static struct obstack stat_obstack;
#define obstack_chunk_alloc xmalloc
#define obstack_chunk_free free
static const char *startup_file;
static lang_statement_list_type input_file_chain;
-static boolean placed_commons = false;
+static bfd_boolean placed_commons = FALSE;
static lang_output_section_statement_type *default_common_section;
-static boolean map_option_f;
+static bfd_boolean map_option_f;
static bfd_vma print_dot;
static lang_input_statement_type *first_file;
static const char *current_target;
static lang_statement_list_type statement_list;
static struct lang_phdr *lang_phdr_list;
-static void lang_for_each_statement_worker
- PARAMS ((void (*) (lang_statement_union_type *),
- lang_statement_union_type *));
-static lang_input_statement_type *new_afile
- PARAMS ((const char *, lang_input_file_enum_type, const char *, boolean));
-static lang_memory_region_type *lang_memory_default PARAMS ((asection *));
-static void lang_map_flags PARAMS ((flagword));
-static void init_os PARAMS ((lang_output_section_statement_type *));
-static void exp_init_os PARAMS ((etree_type *));
-static void section_already_linked PARAMS ((bfd *, asection *, PTR));
-static struct bfd_hash_entry *already_linked_newfunc
- PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *));
-static void already_linked_table_init PARAMS ((void));
-static void already_linked_table_free PARAMS ((void));
-static boolean wildcardp PARAMS ((const char *));
-static lang_statement_union_type *wild_sort
- PARAMS ((lang_wild_statement_type *, struct wildcard_list *,
- lang_input_statement_type *, asection *));
-static void output_section_callback
- PARAMS ((lang_wild_statement_type *, struct wildcard_list *, asection *,
- lang_input_statement_type *, PTR));
-static lang_input_statement_type *lookup_name PARAMS ((const char *));
-static boolean load_symbols
- PARAMS ((lang_input_statement_type *, lang_statement_list_type *));
-static void wild
- PARAMS ((lang_wild_statement_type *,
- const char *, lang_output_section_statement_type *));
-static bfd *open_output PARAMS ((const char *));
-static void ldlang_open_output PARAMS ((lang_statement_union_type *));
-static void open_input_bfds PARAMS ((lang_statement_union_type *, boolean));
-static void lang_reasonable_defaults PARAMS ((void));
-static void lang_place_undefineds PARAMS ((void));
-static void map_input_to_output_sections
- PARAMS ((lang_statement_union_type *, const char *,
- lang_output_section_statement_type *));
-static void print_output_section_statement
- PARAMS ((lang_output_section_statement_type *));
-static void print_assignment
- PARAMS ((lang_assignment_statement_type *,
- lang_output_section_statement_type *));
-static void print_input_statement PARAMS ((lang_input_statement_type *));
-static boolean print_one_symbol PARAMS ((struct bfd_link_hash_entry *, PTR));
-static void print_input_section PARAMS ((lang_input_section_type *));
-static void print_fill_statement PARAMS ((lang_fill_statement_type *));
-static void print_data_statement PARAMS ((lang_data_statement_type *));
-static void print_address_statement PARAMS ((lang_address_statement_type *));
-static void print_reloc_statement PARAMS ((lang_reloc_statement_type *));
-static void print_padding_statement PARAMS ((lang_padding_statement_type *));
-static void print_wild_statement
- PARAMS ((lang_wild_statement_type *, lang_output_section_statement_type *));
-static void print_group
- PARAMS ((lang_group_statement_type *, lang_output_section_statement_type *));
-static void print_statement
- PARAMS ((lang_statement_union_type *, lang_output_section_statement_type *));
-static void print_statement_list
- PARAMS ((lang_statement_union_type *, lang_output_section_statement_type *));
-static void print_statements PARAMS ((void));
-static void insert_pad
- PARAMS ((lang_statement_union_type **, fill_type *,
- unsigned int, asection *, bfd_vma));
-static bfd_vma size_input_section
- PARAMS ((lang_statement_union_type **, lang_output_section_statement_type *,
- fill_type *, bfd_vma));
-static void lang_finish PARAMS ((void));
-static void ignore_bfd_errors PARAMS ((const char *, ...));
-static void lang_check PARAMS ((void));
-static void lang_common PARAMS ((void));
-static boolean lang_one_common PARAMS ((struct bfd_link_hash_entry *, PTR));
-static void lang_place_orphans PARAMS ((void));
-static int topower PARAMS ((int));
-static void lang_set_startof PARAMS ((void));
-static void gc_section_callback
- PARAMS ((lang_wild_statement_type *, struct wildcard_list *, asection *,
- lang_input_statement_type *, PTR));
-static void lang_record_phdrs PARAMS ((void));
-static void lang_gc_wild PARAMS ((lang_wild_statement_type *));
-static void lang_gc_sections_1 PARAMS ((lang_statement_union_type *));
-static void lang_gc_sections PARAMS ((void));
-static int lang_vers_match_lang_c
- PARAMS ((struct bfd_elf_version_expr *, const char *));
-static int lang_vers_match_lang_cplusplus
- PARAMS ((struct bfd_elf_version_expr *, const char *));
-static int lang_vers_match_lang_java
- PARAMS ((struct bfd_elf_version_expr *, const char *));
-static void lang_do_version_exports_section PARAMS ((void));
-static void lang_check_section_addresses PARAMS ((void));
-static void os_region_check
- PARAMS ((lang_output_section_statement_type *,
- struct memory_region_struct *, etree_type *, bfd_vma));
-static bfd_vma lang_size_sections_1
- PARAMS ((lang_statement_union_type *, lang_output_section_statement_type *,
- lang_statement_union_type **, fill_type *, bfd_vma, boolean *));
-
-typedef void (*callback_t) PARAMS ((lang_wild_statement_type *,
- struct wildcard_list *,
- asection *,
- lang_input_statement_type *,
- PTR));
-static void walk_wild
- PARAMS ((lang_wild_statement_type *, callback_t, PTR));
-static void walk_wild_section
- PARAMS ((lang_wild_statement_type *, lang_input_statement_type *,
- callback_t, PTR));
-static void walk_wild_file
- PARAMS ((lang_wild_statement_type *, lang_input_statement_type *,
- callback_t, PTR));
-
-static int get_target PARAMS ((const bfd_target *, PTR));
-static void stricpy PARAMS ((char *, char *));
-static void strcut PARAMS ((char *, char *));
-static int name_compare PARAMS ((char *, char *));
-static int closest_target_match PARAMS ((const bfd_target *, PTR));
-static char * get_first_input_target PARAMS ((void));
-
-/* EXPORTS */
+/* Forward declarations. */
+static void exp_init_os (etree_type *);
+static bfd_boolean wildcardp (const char *);
+static lang_input_statement_type *lookup_name (const char *);
+static bfd_boolean load_symbols (lang_input_statement_type *,
+ lang_statement_list_type *);
+static void insert_undefined (const char *);
+static void print_statement (lang_statement_union_type *,
+ lang_output_section_statement_type *);
+static void print_statement_list (lang_statement_union_type *,
+ lang_output_section_statement_type *);
+static void print_statements (void);
+static bfd_boolean lang_one_common (struct bfd_link_hash_entry *, void *);
+static void lang_record_phdrs (void);
+static void lang_do_version_exports_section (void);
+
+typedef void (*callback_t) (lang_wild_statement_type *, struct wildcard_list *,
+ asection *, lang_input_statement_type *, void *);
+
+/* Exported variables. */
lang_output_section_statement_type *abs_output_section;
lang_statement_list_type lang_output_section_statement;
lang_statement_list_type *stat_ptr = &statement_list;
lang_statement_list_type file_chain = { NULL, NULL };
-const char *entry_symbol = NULL;
+struct bfd_sym_chain entry_symbol = { NULL, NULL };
const char *entry_section = ".text";
-boolean entry_from_cmdline;
-boolean lang_has_input_file = false;
-boolean had_output_filename = false;
-boolean lang_float_flag = false;
-boolean delete_output_file_on_failure = false;
+bfd_boolean entry_from_cmdline;
+bfd_boolean lang_has_input_file = FALSE;
+bfd_boolean had_output_filename = FALSE;
+bfd_boolean lang_float_flag = FALSE;
+bfd_boolean delete_output_file_on_failure = FALSE;
struct lang_nocrossrefs *nocrossref_list;
struct unique_sections *unique_section_list;
+static bfd_boolean ldlang_sysrooted_script = FALSE;
etree_type *base; /* Relocation base - or null */
-#if defined (__STDC__) || defined (ALMOST_STDC)
-#define cat(a,b) a##b
-#else
-#define cat(a,b) a/**/b
-#endif
-
-/* Don't beautify the line below with "innocent" whitespace, it breaks
- the K&R C preprocessor! */
#define new_stat(x, y) \
- (cat (x,_type)*) new_statement (cat (x,_enum), sizeof (cat (x,_type)), y)
+ (x##_type *) new_statement (x##_enum, sizeof (x##_type), y)
#define outside_section_address(q) \
((q)->output_offset + (q)->output_section->vma)
#define SECTION_NAME_MAP_LENGTH (16)
-PTR
-stat_alloc (size)
- size_t size;
+void *
+stat_alloc (size_t size)
{
return obstack_alloc (&stat_obstack, size);
}
-boolean
-unique_section_p (secnam)
- const char *secnam;
+bfd_boolean
+unique_section_p (const char *secnam)
{
struct unique_sections *unam;
? fnmatch (unam->name, secnam, 0) == 0
: strcmp (unam->name, secnam) == 0)
{
- return true;
+ return TRUE;
}
- return false;
+ return FALSE;
}
/* Generic traversal routines for finding matching sections. */
static void
-walk_wild_section (ptr, file, callback, data)
- lang_wild_statement_type *ptr;
- lang_input_statement_type *file;
- callback_t callback;
- PTR data;
+walk_wild_section (lang_wild_statement_type *ptr,
+ lang_input_statement_type *file,
+ callback_t callback,
+ void *data)
{
asection *s;
while (sec != NULL)
{
- boolean skip = false;
+ bfd_boolean skip = FALSE;
struct name_list *list_tmp;
/* Don't process sections from files which were
/* Handle a wild statement for a single file F. */
static void
-walk_wild_file (s, f, callback, data)
- lang_wild_statement_type *s;
- lang_input_statement_type *f;
- callback_t callback;
- PTR data;
+walk_wild_file (lang_wild_statement_type *s,
+ lang_input_statement_type *f,
+ callback_t callback,
+ void *data)
{
if (f->the_bfd == NULL
|| ! bfd_check_format (f->the_bfd, bfd_archive))
/* This is an archive file. We must map each member of the
archive separately. */
- member = bfd_openr_next_archived_file (f->the_bfd, (bfd *) NULL);
+ member = bfd_openr_next_archived_file (f->the_bfd, NULL);
while (member != NULL)
{
/* When lookup_name is called, it will call the add_symbols
lang_input_statement. */
if (member->usrdata != NULL)
{
- walk_wild_section (s,
- (lang_input_statement_type *) member->usrdata,
- callback, data);
+ walk_wild_section (s, member->usrdata, callback, data);
}
member = bfd_openr_next_archived_file (f->the_bfd, member);
}
static void
-walk_wild (s, callback, data)
- lang_wild_statement_type *s;
- callback_t callback;
- PTR data;
+walk_wild (lang_wild_statement_type *s, callback_t callback, void *data)
{
const char *file_spec = s->filename;
function for each node. */
static void
-lang_for_each_statement_worker (func, s)
- void (*func) PARAMS ((lang_statement_union_type *));
- lang_statement_union_type *s;
+lang_for_each_statement_worker (void (*func) (lang_statement_union_type *),
+ lang_statement_union_type *s)
{
- for (; s != (lang_statement_union_type *) NULL; s = s->header.next)
+ for (; s != NULL; s = s->header.next)
{
func (s);
}
void
-lang_for_each_statement (func)
- void (*func) PARAMS ((lang_statement_union_type *));
+lang_for_each_statement (void (*func) (lang_statement_union_type *))
{
lang_for_each_statement_worker (func, statement_list.head);
}
/*----------------------------------------------------------------------*/
void
-lang_list_init (list)
- lang_statement_list_type *list;
+lang_list_init (lang_statement_list_type *list)
{
- list->head = (lang_statement_union_type *) NULL;
+ list->head = NULL;
list->tail = &list->head;
}
/* Build a new statement node for the parse tree. */
static lang_statement_union_type *
-new_statement (type, size, list)
- enum statement_enum type;
- size_t size;
- lang_statement_list_type *list;
+new_statement (enum statement_enum type,
+ size_t size,
+ lang_statement_list_type *list)
{
- lang_statement_union_type *new = (lang_statement_union_type *)
- stat_alloc (size);
+ lang_statement_union_type *new;
+ new = stat_alloc (size);
new->header.type = type;
- new->header.next = (lang_statement_union_type *) NULL;
+ new->header.next = NULL;
lang_statement_append (list, new, &new->header.next);
return new;
}
or prefix it with a -l etc.
We can be supplied with requests for input files more than once;
- they may, for example be split over serveral lines like foo.o(.text)
+ they may, for example be split over several lines like foo.o(.text)
foo.o(.data) etc, so when asked for a file we check that we haven't
got it already so we don't duplicate the bfd. */
static lang_input_statement_type *
-new_afile (name, file_type, target, add_to_list)
- const char *name;
- lang_input_file_enum_type file_type;
- const char *target;
- boolean add_to_list;
+new_afile (const char *name,
+ lang_input_file_enum_type file_type,
+ const char *target,
+ bfd_boolean add_to_list)
{
lang_input_statement_type *p;
p = new_stat (lang_input_statement, stat_ptr);
else
{
- p = ((lang_input_statement_type *)
- stat_alloc (sizeof (lang_input_statement_type)));
+ p = stat_alloc (sizeof (lang_input_statement_type));
p->header.next = NULL;
}
- lang_has_input_file = true;
+ lang_has_input_file = TRUE;
p->target = target;
+ p->sysrooted = FALSE;
switch (file_type)
{
case lang_input_file_is_symbols_only_enum:
p->filename = name;
- p->is_archive = false;
- p->real = true;
+ p->is_archive = FALSE;
+ p->real = TRUE;
p->local_sym_name = name;
- p->just_syms_flag = true;
- p->search_dirs_flag = false;
+ p->just_syms_flag = TRUE;
+ p->search_dirs_flag = FALSE;
break;
case lang_input_file_is_fake_enum:
p->filename = name;
- p->is_archive = false;
- p->real = false;
+ p->is_archive = FALSE;
+ p->real = FALSE;
p->local_sym_name = name;
- p->just_syms_flag = false;
- p->search_dirs_flag = false;
+ p->just_syms_flag = FALSE;
+ p->search_dirs_flag = FALSE;
break;
case lang_input_file_is_l_enum:
- p->is_archive = true;
+ p->is_archive = TRUE;
p->filename = name;
- p->real = true;
- p->local_sym_name = concat ("-l", name, (const char *) NULL);
- p->just_syms_flag = false;
- p->search_dirs_flag = true;
+ p->real = TRUE;
+ p->local_sym_name = concat ("-l", name, NULL);
+ p->just_syms_flag = FALSE;
+ p->search_dirs_flag = TRUE;
break;
case lang_input_file_is_marker_enum:
p->filename = name;
- p->is_archive = false;
- p->real = false;
+ p->is_archive = FALSE;
+ p->real = FALSE;
p->local_sym_name = name;
- p->just_syms_flag = false;
- p->search_dirs_flag = true;
+ p->just_syms_flag = FALSE;
+ p->search_dirs_flag = TRUE;
break;
case lang_input_file_is_search_file_enum:
+ p->sysrooted = ldlang_sysrooted_script;
p->filename = name;
- p->is_archive = false;
- p->real = true;
+ p->is_archive = FALSE;
+ p->real = TRUE;
p->local_sym_name = name;
- p->just_syms_flag = false;
- p->search_dirs_flag = true;
+ p->just_syms_flag = FALSE;
+ p->search_dirs_flag = TRUE;
break;
case lang_input_file_is_file_enum:
p->filename = name;
- p->is_archive = false;
- p->real = true;
+ p->is_archive = FALSE;
+ p->real = TRUE;
p->local_sym_name = name;
- p->just_syms_flag = false;
- p->search_dirs_flag = false;
+ p->just_syms_flag = FALSE;
+ p->search_dirs_flag = FALSE;
break;
default:
FAIL ();
}
- p->the_bfd = (bfd *) NULL;
- p->asymbols = (asymbol **) NULL;
- p->next_real_file = (lang_statement_union_type *) NULL;
- p->next = (lang_statement_union_type *) NULL;
+ p->the_bfd = NULL;
+ p->asymbols = NULL;
+ p->next_real_file = NULL;
+ p->next = NULL;
p->symbol_count = 0;
p->dynamic = config.dynamic_link;
p->whole_archive = whole_archive;
- p->loaded = false;
+ p->loaded = FALSE;
lang_statement_append (&input_file_chain,
(lang_statement_union_type *) p,
&p->next_real_file);
}
lang_input_statement_type *
-lang_add_input_file (name, file_type, target)
- const char *name;
- lang_input_file_enum_type file_type;
- const char *target;
+lang_add_input_file (const char *name,
+ lang_input_file_enum_type file_type,
+ const char *target)
{
- lang_has_input_file = true;
- return new_afile (name, file_type, target, true);
+ lang_has_input_file = TRUE;
+ return new_afile (name, file_type, target, TRUE);
}
/* Build enough state so that the parser can build its tree. */
void
-lang_init ()
+lang_init (void)
{
obstack_begin (&stat_obstack, 1000);
lang_list_init (&input_file_chain);
lang_list_init (&lang_output_section_statement);
lang_list_init (&file_chain);
- first_file = lang_add_input_file ((char *) NULL,
- lang_input_file_is_marker_enum,
- (char *) NULL);
+ first_file = lang_add_input_file (NULL, lang_input_file_is_marker_enum,
+ NULL);
abs_output_section =
lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME);
abs_output_section->bfd_section = bfd_abs_section_ptr;
-
}
/*----------------------------------------------------------------------
static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list;
lang_memory_region_type *
-lang_memory_region_lookup (name)
- const char *const name;
+lang_memory_region_lookup (const char *const name)
{
lang_memory_region_type *p;
+ lang_memory_region_type *new;
- for (p = lang_memory_region_list;
- p != (lang_memory_region_type *) NULL;
- p = p->next)
+ /* NAME is NULL for LMA memspecs if no region was specified. */
+ if (name == NULL)
+ return NULL;
+
+ for (p = lang_memory_region_list; p != NULL; p = p->next)
{
if (strcmp (p->name, name) == 0)
- {
- return p;
- }
+ return p;
}
#if 0
a region. */
if (strcmp (name, "*default*") == 0)
{
- if (lang_memory_region_list != (lang_memory_region_type *) NULL)
- {
- return lang_memory_region_list;
- }
+ if (lang_memory_region_list != NULL)
+ return lang_memory_region_list;
}
#endif
- {
- lang_memory_region_type *new =
- (lang_memory_region_type *) stat_alloc (sizeof (lang_memory_region_type));
+ new = stat_alloc (sizeof (lang_memory_region_type));
- new->name = xstrdup (name);
- new->next = (lang_memory_region_type *) NULL;
+ new->name = xstrdup (name);
+ new->next = NULL;
- *lang_memory_region_list_tail = new;
- lang_memory_region_list_tail = &new->next;
- new->origin = 0;
- new->flags = 0;
- new->not_flags = 0;
- new->length = ~(bfd_size_type) 0;
- new->current = 0;
- new->had_full_message = false;
+ *lang_memory_region_list_tail = new;
+ lang_memory_region_list_tail = &new->next;
+ new->origin = 0;
+ new->flags = 0;
+ new->not_flags = 0;
+ new->length = ~(bfd_size_type) 0;
+ new->current = 0;
+ new->had_full_message = FALSE;
- return new;
- }
+ return new;
}
static lang_memory_region_type *
-lang_memory_default (section)
- asection *section;
+lang_memory_default (asection *section)
{
lang_memory_region_type *p;
if ((sec_flags & (SEC_ALLOC | SEC_READONLY | SEC_CODE)) == SEC_ALLOC)
sec_flags |= SEC_DATA;
- for (p = lang_memory_region_list;
- p != (lang_memory_region_type *) NULL;
- p = p->next)
+ for (p = lang_memory_region_list; p != NULL; p = p->next)
{
if ((p->flags & sec_flags) != 0
&& (p->not_flags & sec_flags) == 0)
}
lang_output_section_statement_type *
-lang_output_section_find (name)
- const char *const name;
+lang_output_section_find (const char *const name)
{
lang_statement_union_type *u;
lang_output_section_statement_type *lookup;
- for (u = lang_output_section_statement.head;
- u != (lang_statement_union_type *) NULL;
- u = lookup->next)
+ for (u = lang_output_section_statement.head; u != NULL; u = lookup->next)
{
lookup = &u->output_section_statement;
if (strcmp (name, lookup->name) == 0)
- {
- return lookup;
- }
+ return lookup;
}
- return (lang_output_section_statement_type *) NULL;
+ return NULL;
}
lang_output_section_statement_type *
-lang_output_section_statement_lookup (name)
- const char *const name;
+lang_output_section_statement_lookup (const char *const name)
{
lang_output_section_statement_type *lookup;
lookup = lang_output_section_find (name);
- if (lookup == (lang_output_section_statement_type *) NULL)
+ if (lookup == NULL)
{
-
- lookup = (lang_output_section_statement_type *)
- new_stat (lang_output_section_statement, stat_ptr);
- lookup->region = (lang_memory_region_type *) NULL;
- lookup->lma_region = (lang_memory_region_type *) NULL;
- lookup->fill = (fill_type *) 0;
+ lookup = new_stat (lang_output_section_statement, stat_ptr);
+ lookup->region = NULL;
+ lookup->lma_region = NULL;
+ lookup->fill = 0;
lookup->block_value = 1;
lookup->name = name;
- lookup->next = (lang_statement_union_type *) NULL;
- lookup->bfd_section = (asection *) NULL;
- lookup->processed = false;
+ lookup->next = NULL;
+ lookup->bfd_section = NULL;
+ lookup->processed = FALSE;
lookup->sectype = normal_section;
- lookup->addr_tree = (etree_type *) NULL;
+ lookup->addr_tree = NULL;
lang_list_init (&lookup->children);
- lookup->memspec = (const char *) NULL;
+ lookup->memspec = NULL;
lookup->flags = 0;
lookup->subsection_alignment = -1;
lookup->section_alignment = -1;
- lookup->load_base = (union etree_union *) NULL;
+ lookup->load_base = NULL;
+ lookup->update_dot_tree = NULL;
lookup->phdrs = NULL;
lang_statement_append (&lang_output_section_statement,
}
static void
-lang_map_flags (flag)
- flagword flag;
+lang_map_flags (flagword flag)
{
if (flag & SEC_ALLOC)
minfo ("a");
}
void
-lang_map ()
+lang_map (void)
{
lang_memory_region_type *m;
fprintf (config.map_file, "%-16s %-18s %-18s %s\n",
_("Name"), _("Origin"), _("Length"), _("Attributes"));
- for (m = lang_memory_region_list;
- m != (lang_memory_region_type *) NULL;
- m = m->next)
+ for (m = lang_memory_region_list; m != NULL; m = m->next)
{
char buf[100];
int len;
/* Initialize an output section. */
static void
-init_os (s)
- lang_output_section_statement_type *s;
+init_os (lang_output_section_statement_type *s)
{
section_userdata_type *new;
if (strcmp (s->name, DISCARD_SECTION_NAME) == 0)
einfo (_("%P%F: Illegal use of `%s' section\n"), DISCARD_SECTION_NAME);
- new = ((section_userdata_type *)
- stat_alloc (sizeof (section_userdata_type)));
+ new = stat_alloc (sizeof (section_userdata_type));
s->bfd_section = bfd_get_section_by_name (output_bfd, s->name);
- if (s->bfd_section == (asection *) NULL)
+ if (s->bfd_section == NULL)
s->bfd_section = bfd_make_section (output_bfd, s->name);
- if (s->bfd_section == (asection *) NULL)
+ if (s->bfd_section == NULL)
{
einfo (_("%P%F: output format %s cannot represent section called %s\n"),
output_bfd->xvec->name, s->name);
/* We initialize an output sections output offset to minus its own
vma to allow us to output a section through itself. */
s->bfd_section->output_offset = 0;
- get_userdata (s->bfd_section) = (PTR) new;
+ get_userdata (s->bfd_section) = new;
/* If there is a base address, make sure that any sections it might
mention are initialized. */
if (s->addr_tree != NULL)
exp_init_os (s->addr_tree);
+
+ if (s->load_base != NULL)
+ exp_init_os (s->load_base);
}
/* Make sure that all output sections mentioned in an expression are
initialized. */
static void
-exp_init_os (exp)
- etree_type *exp;
+exp_init_os (etree_type *exp)
{
switch (exp->type.node_class)
{
static struct bfd_hash_table already_linked_table;
static void
-section_already_linked (abfd, sec, data)
- bfd *abfd;
- asection *sec;
- PTR data;
+section_already_linked (bfd *abfd, asection *sec, void *data)
{
- lang_input_statement_type *entry = (lang_input_statement_type *) data;
+ lang_input_statement_type *entry = data;
flagword flags;
const char *name;
struct already_linked *l;
discard all sections. */
if (entry->just_syms_flag)
{
- sec->output_section = bfd_abs_section_ptr;
- sec->output_offset = sec->vma;
+ bfd_link_just_syms (sec, &link_info);
return;
}
of having link once sections in the first place.
Also, not merging link once sections in a relocatable link
- causes trouble for MIPS ELF, which relies in link once semantics
+ causes trouble for MIPS ELF, which relies on link once semantics
to handle the .reginfo section correctly. */
name = bfd_get_section_name (abfd, sec);
already_linked_list =
((struct already_linked_hash_entry *)
- bfd_hash_lookup (&already_linked_table, name, true, false));
+ bfd_hash_lookup (&already_linked_table, name, TRUE, FALSE));
for (l = already_linked_list->entry; l != NULL; l = l->next)
{
/* Set the output_section field so that lang_add_section
does not create a lang_input_section structure for this
- section. */
+ section. Since there might be a symbol in the section
+ being discarded, we must retain a pointer to the section
+ which we are really going to use. */
sec->output_section = bfd_abs_section_ptr;
+ sec->kept_section = l->sec;
+
+ if (flags & SEC_GROUP)
+ bfd_discard_group (abfd, sec);
return;
}
/* This is the first section with this name. Record it. Allocate
the memory from the same obstack as the hash table is kept in. */
- l = ((struct already_linked *)
- bfd_hash_allocate (&already_linked_table, sizeof *l));
+ l = bfd_hash_allocate (&already_linked_table, sizeof *l);
l->sec = sec;
l->next = already_linked_list->entry;
initialize the table, fill in an entry and remove the table. */
static struct bfd_hash_entry *
-already_linked_newfunc (entry, table, string)
- struct bfd_hash_entry *entry ATTRIBUTE_UNUSED;
- struct bfd_hash_table *table;
- const char *string ATTRIBUTE_UNUSED;
+already_linked_newfunc (struct bfd_hash_entry *entry ATTRIBUTE_UNUSED,
+ struct bfd_hash_table *table,
+ const char *string ATTRIBUTE_UNUSED)
{
struct already_linked_hash_entry *ret =
bfd_hash_allocate (table, sizeof (struct already_linked_hash_entry));
ret->entry = NULL;
- return (struct bfd_hash_entry *) ret;
+ return &ret->root;
}
static void
-already_linked_table_init ()
+already_linked_table_init (void)
{
if (! bfd_hash_table_init_n (&already_linked_table,
already_linked_newfunc,
}
static void
-already_linked_table_free ()
+already_linked_table_free (void)
{
bfd_hash_table_free (&already_linked_table);
}
explicit actions, like foo.o(.text), bar.o(.text) and
foo.o(.text, .data). */
-/* Return true if the PATTERN argument is a wildcard pattern.
+/* Return TRUE if the PATTERN argument is a wildcard pattern.
Although backslashes are treated specially if a pattern contains
wildcards, we do not consider the mere presence of a backslash to
be enough to cause the pattern to be treated as a wildcard.
That lets us handle DOS filenames more naturally. */
-static boolean
-wildcardp (pattern)
- const char *pattern;
+static bfd_boolean
+wildcardp (const char *pattern)
{
const char *s;
if (*s == '?'
|| *s == '*'
|| *s == '[')
- return true;
- return false;
+ return TRUE;
+ return FALSE;
}
/* Add SECTION to the output section OUTPUT. Do this by creating a
input file which holds SECTION. */
void
-lang_add_section (ptr, section, output, file)
- lang_statement_list_type *ptr;
- asection *section;
- lang_output_section_statement_type *output;
- lang_input_statement_type *file;
+lang_add_section (lang_statement_list_type *ptr,
+ asection *section,
+ lang_output_section_statement_type *output,
+ lang_input_statement_type *file)
{
flagword flags;
- boolean discard;
+ bfd_boolean discard;
flags = bfd_get_section_flags (section->owner, section);
- discard = false;
+ discard = FALSE;
- /* If we are doing a final link, discard sections marked with
- SEC_EXCLUDE. */
- if (! link_info.relocateable
- && (flags & SEC_EXCLUDE) != 0)
- discard = true;
+ /* Discard sections marked with SEC_EXCLUDE if we are doing a final
+ link. Discard debugging sections marked with SEC_EXCLUDE on a
+ relocatable link too. */
+ if ((flags & SEC_EXCLUDE) != 0
+ && ((flags & SEC_DEBUGGING) != 0 || !link_info.relocatable))
+ discard = TRUE;
/* Discard input sections which are assigned to a section named
DISCARD_SECTION_NAME. */
if (strcmp (output->name, DISCARD_SECTION_NAME) == 0)
- discard = true;
+ discard = TRUE;
/* Discard debugging sections if we are stripping debugging
information. */
if ((link_info.strip == strip_debugger || link_info.strip == strip_all)
&& (flags & SEC_DEBUGGING) != 0)
- discard = true;
+ discard = TRUE;
if (discard)
{
if (section->output_section == NULL)
{
- boolean first;
+ bfd_boolean first;
lang_input_section_type *new;
flagword flags;
format targets, .text$foo sections go into .text and it's odd
to see .text with SEC_LINK_ONCE set. */
- if (! link_info.relocateable)
+ if (! link_info.relocatable)
flags &= ~ (SEC_LINK_ONCE | SEC_LINK_DUPLICATES);
/* If this is not the first input section, and the SEC_READONLY
flags &= ~ (SEC_MERGE | SEC_STRINGS);
}
+ /* For now make .tbss normal section. */
+ if ((flags & SEC_THREAD_LOCAL) && ! link_info.relocatable)
+ flags |= SEC_LOAD;
+
section->output_section->flags |= flags;
if (flags & SEC_MERGE)
if (section->alignment_power > output->bfd_section->alignment_power)
output->bfd_section->alignment_power = section->alignment_power;
- /* If supplied an aligment, then force it. */
+ /* If supplied an alignment, then force it. */
if (output->section_alignment != -1)
output->bfd_section->alignment_power = output->section_alignment;
new section should just go at the end of the current list. */
static lang_statement_union_type *
-wild_sort (wild, sec, file, section)
- lang_wild_statement_type *wild;
- struct wildcard_list *sec;
- lang_input_statement_type *file;
- asection *section;
+wild_sort (lang_wild_statement_type *wild,
+ struct wildcard_list *sec,
+ lang_input_statement_type *file,
+ asection *section)
{
const char *section_name;
lang_statement_union_type *l;
if (wild->filenames_sorted)
{
const char *fn, *ln;
- boolean fa, la;
+ bfd_boolean fa, la;
int i;
/* The PE support for the .idata section as generated by
&& bfd_my_archive (file->the_bfd) != NULL)
{
fn = bfd_get_filename (bfd_my_archive (file->the_bfd));
- fa = true;
+ fa = TRUE;
}
else
{
fn = file->filename;
- fa = false;
+ fa = FALSE;
}
if (ls->ifile->the_bfd != NULL
&& bfd_my_archive (ls->ifile->the_bfd) != NULL)
{
ln = bfd_get_filename (bfd_my_archive (ls->ifile->the_bfd));
- la = true;
+ la = TRUE;
}
else
{
ln = ls->ifile->filename;
- la = false;
+ la = FALSE;
}
i = strcmp (fn, ln);
NULL, in which case it is a wild card. */
static void
-output_section_callback (ptr, sec, section, file, output)
- lang_wild_statement_type *ptr;
- struct wildcard_list *sec;
- asection *section;
- lang_input_statement_type *file;
- PTR output;
+output_section_callback (lang_wild_statement_type *ptr,
+ struct wildcard_list *sec,
+ asection *section,
+ lang_input_statement_type *file,
+ void *output)
{
lang_statement_union_type *before;
already and had its symbols read. If not then we'll read it. */
static lang_input_statement_type *
-lookup_name (name)
- const char *name;
+lookup_name (const char *name)
{
lang_input_statement_type *search;
for (search = (lang_input_statement_type *) input_file_chain.head;
- search != (lang_input_statement_type *) NULL;
+ search != NULL;
search = (lang_input_statement_type *) search->next_real_file)
{
- if (search->filename == (char *) NULL && name == (char *) NULL)
+ if (search->filename == NULL && name == NULL)
return search;
- if (search->filename != (char *) NULL
- && name != (char *) NULL
+ if (search->filename != NULL
+ && name != NULL
&& strcmp (search->filename, name) == 0)
break;
}
- if (search == (lang_input_statement_type *) NULL)
+ if (search == NULL)
search = new_afile (name, lang_input_file_is_file_enum, default_target,
- false);
+ FALSE);
/* If we have already added this file, or this file is not real
(FIXME: can that ever actually happen?) or the name is NULL
(FIXME: can that ever actually happen?) don't add this file. */
if (search->loaded
|| ! search->real
- || search->filename == (const char *) NULL)
+ || search->filename == NULL)
return search;
- if (! load_symbols (search, (lang_statement_list_type *) NULL))
+ if (! load_symbols (search, NULL))
return NULL;
return search;
/* Get the symbols for an input file. */
-static boolean
-load_symbols (entry, place)
- lang_input_statement_type *entry;
- lang_statement_list_type *place;
+static bfd_boolean
+load_symbols (lang_input_statement_type *entry,
+ lang_statement_list_type *place)
{
char **matching;
if (entry->loaded)
- return true;
+ return TRUE;
ldfile_open_file (entry);
{
bfd_error_type err;
lang_statement_list_type *hold;
- boolean bad_load = true;
-
+ bfd_boolean bad_load = TRUE;
+ bfd_boolean save_ldlang_sysrooted_script;
+
err = bfd_get_error ();
/* See if the emulation has some special knowledge. */
if (ldemul_unrecognized_file (entry))
- return true;
+ return TRUE;
if (err == bfd_error_file_ambiguously_recognized)
{
|| place == NULL)
einfo (_("%F%B: file not recognized: %E\n"), entry->the_bfd);
else
- bad_load = false;
-
+ bad_load = FALSE;
+
bfd_close (entry->the_bfd);
entry->the_bfd = NULL;
hold = stat_ptr;
stat_ptr = place;
+ save_ldlang_sysrooted_script = ldlang_sysrooted_script;
+ ldlang_sysrooted_script = entry->sysrooted;
- ldfile_assumed_script = true;
+ ldfile_assumed_script = TRUE;
parser_input = input_script;
yyparse ();
- ldfile_assumed_script = false;
+ ldfile_assumed_script = FALSE;
+ ldlang_sysrooted_script = save_ldlang_sysrooted_script;
stat_ptr = hold;
return ! bad_load;
}
if (ldemul_recognized_file (entry))
- return true;
+ return TRUE;
/* We don't call ldlang_add_file for an archive. Instead, the
add_symbols entry point will call ldlang_add_file, via the
case bfd_archive:
if (entry->whole_archive)
{
- bfd * member = NULL;
- boolean loaded = true;
+ bfd *member = NULL;
+ bfd_boolean loaded = TRUE;
for (;;)
{
if (member == NULL)
break;
-
+
if (! bfd_check_format (member, bfd_object))
{
einfo (_("%F%B: member %B in archive is not an object\n"),
entry->the_bfd, member);
- loaded = false;
+ loaded = FALSE;
}
if (! ((*link_info.callbacks->add_archive_element)
if (! bfd_link_add_symbols (member, &link_info))
{
einfo (_("%F%B: could not read symbols: %E\n"), member);
- loaded = false;
+ loaded = FALSE;
}
}
}
if (bfd_link_add_symbols (entry->the_bfd, &link_info))
- entry->loaded = true;
+ entry->loaded = TRUE;
else
einfo (_("%F%B: could not read symbols: %E\n"), entry->the_bfd);
the output section. */
static void
-wild (s, target, output)
- lang_wild_statement_type *s;
- const char *target ATTRIBUTE_UNUSED;
- lang_output_section_statement_type *output;
+wild (lang_wild_statement_type *s,
+ const char *target ATTRIBUTE_UNUSED,
+ lang_output_section_statement_type *output)
{
struct wildcard_list *sec;
- walk_wild (s, output_section_callback, (PTR) output);
+ walk_wild (s, output_section_callback, output);
for (sec = s->section_list; sec != NULL; sec = sec->next)
{
if (sec->spec.name != NULL && strcmp (sec->spec.name, "COMMON") == 0)
{
/* Remember the section that common is going to in case we
- later get something which doesn't know where to put it. */
+ later get something which doesn't know where to put it. */
default_common_section = output;
}
}
}
-/* Return true iff target is the sought target. */
+/* Return TRUE iff target is the sought target. */
static int
-get_target (target, data)
- const bfd_target *target;
- PTR data;
+get_target (const bfd_target *target, void *data)
{
- const char *sought = (const char *) data;
+ const char *sought = data;
return strcmp (target->name, sought) == 0;
}
/* Like strcpy() but convert to lower case as well. */
static void
-stricpy (dest, src)
- char *dest;
- char *src;
+stricpy (char *dest, char *src)
{
char c;
*dest = 0;
}
-/* Remove the first occurance of needle (if any) in haystack
+/* Remove the first occurrence of needle (if any) in haystack
from haystack. */
static void
-strcut (haystack, needle)
- char *haystack;
- char *needle;
+strcut (char *haystack, char *needle)
{
haystack = strstr (haystack, needle);
Return a value indicating how "similar" they are. */
static int
-name_compare (first, second)
- char *first;
- char *second;
+name_compare (char *first, char *second)
{
char *copy1;
char *copy2;
stricpy (copy1, first);
stricpy (copy2, second);
- /* Remove and endian strings from the name. */
+ /* Remove size and endian strings from the name. */
strcut (copy1, "big");
strcut (copy1, "little");
strcut (copy2, "big");
match to the original output target. */
static int
-closest_target_match (target, data)
- const bfd_target *target;
- PTR data;
+closest_target_match (const bfd_target *target, void *data)
{
- const bfd_target *original = (const bfd_target *) data;
+ const bfd_target *original = data;
if (command_line.endian == ENDIAN_BIG
&& target->byteorder != BFD_ENDIAN_BIG)
/* Return the BFD target format of the first input file. */
static char *
-get_first_input_target ()
+get_first_input_target (void)
{
char *target = NULL;
return target;
}
+const char *
+lang_get_output_target (void)
+{
+ const char *target;
+
+ /* Has the user told us which output format to use? */
+ if (output_target != NULL)
+ return output_target;
+
+ /* No - has the current target been set to something other than
+ the default? */
+ if (current_target != default_target)
+ return current_target;
+
+ /* No - can we determine the format of the first input file? */
+ target = get_first_input_target ();
+ if (target != NULL)
+ return target;
+
+ /* Failed - use the default output target. */
+ return default_target;
+}
+
/* Open the output file. */
static bfd *
-open_output (name)
- const char *name;
+open_output (const char *name)
{
bfd *output;
- /* Has the user told us which output format to use? */
- if (output_target == (char *) NULL)
- {
- /* No - has the current target been set to something other than
- the default? */
- if (current_target != default_target)
- output_target = current_target;
-
- /* No - can we determine the format of the first input file? */
- else
- {
- output_target = get_first_input_target ();
-
- /* Failed - use the default output target. */
- if (output_target == NULL)
- output_target = default_target;
- }
- }
+ output_target = lang_get_output_target ();
/* Has the user requested a particular endianness on the command
line? */
enum bfd_endian desired_endian;
/* Get the chosen target. */
- target = bfd_search_for_target (get_target, (PTR) output_target);
+ target = bfd_search_for_target (get_target, (void *) output_target);
/* If the target is not supported, we cannot do anything. */
if (target != NULL)
/* Try to find a target as similar as possible to
the default target, but which has the desired
endian characteristic. */
- (void) bfd_search_for_target (closest_target_match,
- (PTR) target);
+ bfd_search_for_target (closest_target_match,
+ (void *) target);
/* Oh dear - we could not find any targets that
satisfy our requirements. */
output = bfd_openw (name, output_target);
- if (output == (bfd *) NULL)
+ if (output == NULL)
{
if (bfd_get_error () == bfd_error_invalid_target)
einfo (_("%P%F: target %s not found\n"), output_target);
einfo (_("%P%F: cannot open output file %s: %E\n"), name);
}
- delete_output_file_on_failure = true;
+ delete_output_file_on_failure = TRUE;
#if 0
output->flags |= D_PAGED;
einfo (_("%P%F:%s: can not set architecture: %E\n"), name);
link_info.hash = bfd_link_hash_table_create (output);
- if (link_info.hash == (struct bfd_link_hash_table *) NULL)
+ if (link_info.hash == NULL)
einfo (_("%P%F: can not create link hash table: %E\n"));
bfd_set_gp_size (output, g_switch_value);
}
static void
-ldlang_open_output (statement)
- lang_statement_union_type *statement;
+ldlang_open_output (lang_statement_union_type *statement)
{
switch (statement->header.type)
{
case lang_output_statement_enum:
- ASSERT (output_bfd == (bfd *) NULL);
+ ASSERT (output_bfd == NULL);
output_bfd = open_output (statement->output_statement.name);
ldemul_set_output_arch ();
- if (config.magic_demand_paged && !link_info.relocateable)
+ if (config.magic_demand_paged && !link_info.relocatable)
output_bfd->flags |= D_PAGED;
else
output_bfd->flags &= ~D_PAGED;
/* Open all the input files. */
static void
-open_input_bfds (s, force)
- lang_statement_union_type *s;
- boolean force;
+open_input_bfds (lang_statement_union_type *s, bfd_boolean force)
{
- for (; s != (lang_statement_union_type *) NULL; s = s->header.next)
+ for (; s != NULL; s = s->header.next)
{
switch (s->header.type)
{
do
{
undefs = link_info.hash->undefs_tail;
- open_input_bfds (s->group_statement.children.head, true);
+ open_input_bfds (s->group_statement.children.head, TRUE);
}
while (undefs != link_info.hash->undefs_tail);
}
&& s->input_statement.loaded
&& bfd_check_format (s->input_statement.the_bfd,
bfd_archive))
- s->input_statement.loaded = false;
+ s->input_statement.loaded = FALSE;
lang_list_init (&add);
if (! load_symbols (&s->input_statement, &add))
- config.make_executable = false;
+ config.make_executable = FALSE;
if (add.head != NULL)
{
section. */
static void
-lang_reasonable_defaults ()
+lang_reasonable_defaults (void)
{
#if 0
lang_output_section_statement_lookup (".text");
default_common_section = lang_output_section_statement_lookup (".bss");
- if (placed_commons == false)
+ if (!placed_commons)
{
lang_wild_statement_type *new =
new_stat (lang_wild_statement,
&default_common_section->children);
new->section_name = "COMMON";
- new->filename = (char *) NULL;
+ new->filename = NULL;
lang_list_init (&new->children);
}
#endif
}
/* Add the supplied name to the symbol table as an undefined reference.
- Remove items from the chain as we open input bfds. */
-typedef struct ldlang_undef_chain_list
-{
- struct ldlang_undef_chain_list *next;
- char *name;
-} ldlang_undef_chain_list_type;
+ This is a two step process as the symbol table doesn't even exist at
+ the time the ld command line is processed. First we put the name
+ on a list, then, once the output file has been opened, transfer the
+ name to the symbol table. */
+
+typedef struct bfd_sym_chain ldlang_undef_chain_list_type;
-static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head;
+#define ldlang_undef_chain_list_head entry_symbol.next
void
-ldlang_add_undef (name)
- const char *const name;
+ldlang_add_undef (const char *const name)
{
ldlang_undef_chain_list_type *new =
- ((ldlang_undef_chain_list_type *)
- stat_alloc (sizeof (ldlang_undef_chain_list_type)));
+ stat_alloc (sizeof (ldlang_undef_chain_list_type));
new->next = ldlang_undef_chain_list_head;
ldlang_undef_chain_list_head = new;
new->name = xstrdup (name);
+
+ if (output_bfd != NULL)
+ insert_undefined (new->name);
+}
+
+/* Insert NAME as undefined in the symbol table. */
+
+static void
+insert_undefined (const char *name)
+{
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (link_info.hash, name, TRUE, FALSE, TRUE);
+ if (h == NULL)
+ einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
+ if (h->type == bfd_link_hash_new)
+ {
+ h->type = bfd_link_hash_undefined;
+ h->u.undef.abfd = NULL;
+ bfd_link_add_undef (link_info.hash, h);
+ }
}
/* Run through the list of undefineds created above and place them
script file. */
static void
-lang_place_undefineds ()
+lang_place_undefineds (void)
{
ldlang_undef_chain_list_type *ptr;
- for (ptr = ldlang_undef_chain_list_head;
- ptr != (ldlang_undef_chain_list_type *) NULL;
- ptr = ptr->next)
- {
- struct bfd_link_hash_entry *h;
-
- h = bfd_link_hash_lookup (link_info.hash, ptr->name, true, false, true);
- if (h == (struct bfd_link_hash_entry *) NULL)
- einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
- if (h->type == bfd_link_hash_new)
- {
- h->type = bfd_link_hash_undefined;
- h->u.undef.abfd = NULL;
- bfd_link_add_undef (link_info.hash, h);
- }
- }
+ for (ptr = ldlang_undef_chain_list_head; ptr != NULL; ptr = ptr->next)
+ insert_undefined (ptr->name);
}
-/* Open input files and attatch to output sections. */
+/* Open input files and attach to output sections. */
static void
-map_input_to_output_sections (s, target, output_section_statement)
- lang_statement_union_type *s;
- const char *target;
- lang_output_section_statement_type *output_section_statement;
+map_input_to_output_sections
+ (lang_statement_union_type *s, const char *target,
+ lang_output_section_statement_type *output_section_statement)
{
- for (; s != (lang_statement_union_type *) NULL; s = s->header.next)
+ for (; s != NULL; s = s->header.next)
{
switch (s->header.type)
{
}
}
+/* An output section might have been removed after its statement was
+ added. For example, ldemul_before_allocation can remove dynamic
+ sections if they turn out to be not needed. Clean them up here. */
+
static void
-print_output_section_statement (output_section_statement)
- lang_output_section_statement_type *output_section_statement;
+strip_excluded_output_sections (void)
+{
+ lang_statement_union_type *u;
+
+ for (u = lang_output_section_statement.head;
+ u != NULL;
+ u = u->output_section_statement.next)
+ {
+ lang_output_section_statement_type *os;
+ asection *s;
+
+ os = &u->output_section_statement;
+ s = os->bfd_section;
+ if (s != NULL && (s->flags & SEC_EXCLUDE) != 0)
+ {
+ asection **p;
+
+ os->bfd_section = NULL;
+
+ for (p = &output_bfd->sections; *p; p = &(*p)->next)
+ if (*p == s)
+ {
+ bfd_section_list_remove (output_bfd, p);
+ output_bfd->section_count--;
+ break;
+ }
+ }
+ }
+}
+
+static void
+print_output_section_statement
+ (lang_output_section_statement_type *output_section_statement)
{
asection *section = output_section_statement->bfd_section;
int len;
}
static void
-print_assignment (assignment, output_section)
- lang_assignment_statement_type *assignment;
- lang_output_section_statement_type *output_section;
+print_assignment (lang_assignment_statement_type *assignment,
+ lang_output_section_statement_type *output_section)
{
int i;
etree_value_type result;
result = exp_fold_tree (assignment->exp->assign.src, output_section,
lang_final_phase_enum, print_dot, &print_dot);
if (result.valid_p)
- minfo ("0x%V", result.value + result.section->bfd_section->vma);
+ {
+ const char *dst;
+ bfd_vma value;
+
+ value = result.value + result.section->bfd_section->vma;
+ dst = assignment->exp->assign.dst;
+
+ minfo ("0x%V", value);
+ if (dst[0] == '.' && dst[1] == 0)
+ print_dot = value;
+ }
else
{
minfo ("*undef* ");
}
static void
-print_input_statement (statm)
- lang_input_statement_type *statm;
+print_input_statement (lang_input_statement_type *statm)
{
- if (statm->filename != (char *) NULL)
+ if (statm->filename != NULL)
{
fprintf (config.map_file, "LOAD %s\n", statm->filename);
}
/* Print all symbols defined in a particular section. This is called
via bfd_link_hash_traverse. */
-static boolean
-print_one_symbol (hash_entry, ptr)
- struct bfd_link_hash_entry *hash_entry;
- PTR ptr;
+static bfd_boolean
+print_one_symbol (struct bfd_link_hash_entry *hash_entry, void *ptr)
{
- asection *sec = (asection *) ptr;
+ asection *sec = ptr;
if ((hash_entry->type == bfd_link_hash_defined
|| hash_entry->type == bfd_link_hash_defweak)
minfo (" %T\n", hash_entry->root.string);
}
- return true;
+ return TRUE;
}
/* Print information about an input section to the map file. */
static void
-print_input_section (in)
- lang_input_section_type *in;
+print_input_section (lang_input_section_type *in)
{
asection *i = in->section;
bfd_size_type size = i->_cooked_size != 0 ? i->_cooked_size : i->_raw_size;
minfo (_("%W (size before relaxing)\n"), i->_raw_size);
}
- bfd_link_hash_traverse (link_info.hash, print_one_symbol, (PTR) i);
+ bfd_link_hash_traverse (link_info.hash, print_one_symbol, i);
print_dot = i->output_section->vma + i->output_offset + size / opb;
}
}
static void
-print_fill_statement (fill)
- lang_fill_statement_type *fill;
+print_fill_statement (lang_fill_statement_type *fill)
{
size_t size;
unsigned char *p;
}
static void
-print_data_statement (data)
- lang_data_statement_type *data;
+print_data_statement (lang_data_statement_type *data)
{
int i;
bfd_vma addr;
-Ttext. */
static void
-print_address_statement (address)
- lang_address_statement_type *address;
+print_address_statement (lang_address_statement_type *address)
{
minfo (_("Address of section %s set to "), address->section_name);
exp_print_tree (address->address);
/* Print a reloc statement. */
static void
-print_reloc_statement (reloc)
- lang_reloc_statement_type *reloc;
+print_reloc_statement (lang_reloc_statement_type *reloc)
{
int i;
bfd_vma addr;
}
static void
-print_padding_statement (s)
- lang_padding_statement_type *s;
+print_padding_statement (lang_padding_statement_type *s)
{
int len;
bfd_vma addr;
}
static void
-print_wild_statement (w, os)
- lang_wild_statement_type *w;
- lang_output_section_statement_type *os;
+print_wild_statement (lang_wild_statement_type *w,
+ lang_output_section_statement_type *os)
{
struct wildcard_list *sec;
if (sec->spec.exclude_name_list != NULL)
{
name_list *tmp;
- minfo ("EXCLUDE_FILE ( %s", sec->spec.exclude_name_list->name);
+ minfo ("EXCLUDE_FILE(%s", sec->spec.exclude_name_list->name);
for (tmp = sec->spec.exclude_name_list->next; tmp; tmp = tmp->next)
- minfo (", %s", tmp->name);
- minfo (")");
+ minfo (" %s", tmp->name);
+ minfo (") ");
}
if (sec->spec.name != NULL)
minfo ("%s", sec->spec.name);
minfo ("*");
if (sec->spec.sorted)
minfo (")");
+ if (sec->next)
+ minfo (" ");
}
minfo (")");
/* Print a group statement. */
static void
-print_group (s, os)
- lang_group_statement_type *s;
- lang_output_section_statement_type *os;
+print_group (lang_group_statement_type *s,
+ lang_output_section_statement_type *os)
{
fprintf (config.map_file, "START GROUP\n");
print_statement_list (s->children.head, os);
This can be called for any statement type. */
static void
-print_statement_list (s, os)
- lang_statement_union_type *s;
- lang_output_section_statement_type *os;
+print_statement_list (lang_statement_union_type *s,
+ lang_output_section_statement_type *os)
{
while (s != NULL)
{
This can be called for any statement type. */
static void
-print_statement (s, os)
- lang_statement_union_type *s;
- lang_output_section_statement_type *os;
+print_statement (lang_statement_union_type *s,
+ lang_output_section_statement_type *os)
{
switch (s->header.type)
{
}
static void
-print_statements ()
+print_statements (void)
{
print_statement_list (statement_list.head, abs_output_section);
}
Intended to be called from GDB. */
void
-dprint_statement (s, n)
- lang_statement_union_type *s;
- int n;
+dprint_statement (lang_statement_union_type *s, int n)
{
FILE *map_save = config.map_file;
}
static void
-insert_pad (ptr, fill, alignment_needed, output_section, dot)
- lang_statement_union_type **ptr;
- fill_type *fill;
- unsigned int alignment_needed;
- asection *output_section;
- bfd_vma dot;
+insert_pad (lang_statement_union_type **ptr,
+ fill_type *fill,
+ unsigned int alignment_needed,
+ asection *output_section,
+ bfd_vma dot)
{
static fill_type zero_fill = { 1, { 0 } };
lang_statement_union_type *pad;
else
{
/* Make a new padding statement, linked into existing chain. */
- pad = ((lang_statement_union_type *)
- stat_alloc (sizeof (lang_padding_statement_type)));
+ pad = stat_alloc (sizeof (lang_padding_statement_type));
pad->header.next = *ptr;
*ptr = pad;
pad->header.type = lang_padding_statement_enum;
pad->padding_statement.output_section = output_section;
- if (fill == (fill_type *) 0)
+ if (fill == NULL)
fill = &zero_fill;
pad->padding_statement.fill = fill;
}
/* Work out how much this section will move the dot point. */
static bfd_vma
-size_input_section (this_ptr, output_section_statement, fill, dot)
- lang_statement_union_type **this_ptr;
- lang_output_section_statement_type *output_section_statement;
- fill_type *fill;
- bfd_vma dot;
+size_input_section (lang_statement_union_type **this_ptr,
+ lang_output_section_statement_type *output_section_statement,
+ fill_type *fill,
+ bfd_vma dot)
{
lang_input_section_type *is = &((*this_ptr)->input_section);
asection *i = is->section;
- if (is->ifile->just_syms_flag == false)
+ if (!is->ifile->just_syms_flag)
{
unsigned opb = bfd_arch_mach_octets_per_byte (ldfile_output_architecture,
ldfile_output_machine);
the output section addresses of the two sections. */
static void
-lang_check_section_addresses ()
+lang_check_section_addresses (void)
{
asection *s;
unsigned opb = bfd_octets_per_byte (output_bfd);
calculation wraps around. */
static void
-os_region_check (os, region, tree, base)
- lang_output_section_statement_type *os;
- struct memory_region_struct *region;
- etree_type *tree;
- bfd_vma base;
+os_region_check (lang_output_section_statement_type *os,
+ struct memory_region_struct *region,
+ etree_type *tree,
+ bfd_vma base)
{
if ((region->current < region->origin
|| (region->current - region->origin > region->length))
&& ((region->current != region->origin + region->length)
- || base == 0))
+ || base == 0))
{
- if (tree != (etree_type *) NULL)
- {
- einfo (_("%X%P: address 0x%v of %B section %s is not within region %s\n"),
- region->current,
- os->bfd_section->owner,
- os->bfd_section->name,
- region->name);
- }
+ if (tree != NULL)
+ {
+ einfo (_("%X%P: address 0x%v of %B section %s is not within region %s\n"),
+ region->current,
+ os->bfd_section->owner,
+ os->bfd_section->name,
+ region->name);
+ }
else
- {
- einfo (_("%X%P: region %s is full (%B section %s)\n"),
- region->name,
- os->bfd_section->owner,
- os->bfd_section->name);
- }
+ {
+ einfo (_("%X%P: region %s is full (%B section %s)\n"),
+ region->name,
+ os->bfd_section->owner,
+ os->bfd_section->name);
+ }
/* Reset the region pointer. */
region->current = region->origin;
}
/* Set the sizes for all the output sections. */
static bfd_vma
-lang_size_sections_1 (s, output_section_statement, prev, fill, dot, relax)
- lang_statement_union_type *s;
- lang_output_section_statement_type *output_section_statement;
- lang_statement_union_type **prev;
- fill_type *fill;
- bfd_vma dot;
- boolean *relax;
+lang_size_sections_1
+ (lang_statement_union_type *s,
+ lang_output_section_statement_type *output_section_statement,
+ lang_statement_union_type **prev,
+ fill_type *fill,
+ bfd_vma dot,
+ bfd_boolean *relax,
+ bfd_boolean check_regions)
{
unsigned opb = bfd_arch_mach_octets_per_byte (ldfile_output_architecture,
ldfile_output_machine);
/* Size up the sections from their constituent parts. */
- for (; s != (lang_statement_union_type *) NULL; s = s->header.next)
+ for (; s != NULL; s = s->header.next)
{
switch (s->header.type)
{
}
else
{
- if (os->addr_tree == (etree_type *) NULL)
+ if (os->addr_tree == NULL)
{
/* No address specified for this section, get one
from the region specification. */
- if (os->region == (lang_memory_region_type *) NULL
+ if (os->region == NULL
|| (((bfd_get_section_flags (output_bfd, os->bfd_section)
& (SEC_ALLOC | SEC_LOAD)) != 0)
&& os->region->name[0] == '*'
/* If a loadable section is using the default memory
region, and some non default memory regions were
- defined, issue a warning. */
+ defined, issue an error message. */
if ((bfd_get_section_flags (output_bfd, os->bfd_section)
& (SEC_ALLOC | SEC_LOAD)) != 0
- && ! link_info.relocateable
+ && (bfd_get_section_flags (output_bfd, os->bfd_section)
+ & SEC_NEVER_LOAD) == 0
+ && ! link_info.relocatable
+ && check_regions
&& strcmp (os->region->name, "*default*") == 0
&& lang_memory_region_list != NULL
&& (strcmp (lang_memory_region_list->name,
"*default*") != 0
|| lang_memory_region_list->next != NULL))
- einfo (_("%P: warning: no memory region specified for section `%s'\n"),
- bfd_get_section_name (output_bfd,
- os->bfd_section));
+ {
+ /* By default this is an error rather than just a
+ warning because if we allocate the section to the
+ default memory region we can end up creating an
+ excessivly large binary, or even seg faulting when
+ attmepting to perform a negative seek. See
+ http://sources.redhat.com/ml/binutils/2003-04/msg00423.html
+ for an example of this. This behaviour can be
+ overridden by the using the --no-check-sections
+ switch. */
+ if (command_line.check_section_addresses)
+ einfo (_("%P%F: error: no memory region specified for loadable section `%s'\n"),
+ bfd_get_section_name (output_bfd,
+ os->bfd_section));
+ else
+ einfo (_("%P: warning: no memory region specified for loadable section `%s'\n"),
+ bfd_get_section_name (output_bfd,
+ os->bfd_section));
+ }
dot = os->region->current;
abs_output_section,
lang_allocating_phase_enum,
dot, &dot);
- if (r.valid_p == false)
- {
- einfo (_("%F%S: non constant address expression for section %s\n"),
- os->name);
- }
+ if (!r.valid_p)
+ einfo (_("%F%S: non constant address expression for section %s\n"),
+ os->name);
+
dot = r.value + r.section->bfd_section->vma;
}
}
lang_size_sections_1 (os->children.head, os, &os->children.head,
- os->fill, dot, relax);
+ os->fill, dot, relax, check_regions);
/* Put the section within the requested block size, or
align at the block boundary. */
- after = ALIGN_N (os->bfd_section->vma
+ after = align_n (os->bfd_section->vma
+ os->bfd_section->_raw_size / opb,
- /* The coercion here is important, see ld.h. */
(bfd_vma) os->block_value);
if (bfd_is_abs_section (os->bfd_section))
ASSERT (after == os->bfd_section->vma);
+ else if ((os->bfd_section->flags & SEC_HAS_CONTENTS) == 0
+ && (os->bfd_section->flags & SEC_THREAD_LOCAL)
+ && ! link_info.relocatable)
+ os->bfd_section->_raw_size = 0;
else
os->bfd_section->_raw_size =
(after - os->bfd_section->vma) * opb;
+
dot = os->bfd_section->vma + os->bfd_section->_raw_size / opb;
- os->processed = true;
+ os->processed = TRUE;
+
+ if (os->update_dot_tree != 0)
+ exp_fold_tree (os->update_dot_tree, abs_output_section,
+ lang_allocating_phase_enum, dot, &dot);
/* Update dot in the region ?
We only do this if the section is going to be allocated,
If the SEC_NEVER_LOAD bit is not set, it will affect the
addresses of sections after it. We have to update
dot. */
- if (os->region != (lang_memory_region_type *) NULL
+ if (os->region != NULL
&& ((bfd_get_section_flags (output_bfd, os->bfd_section)
& SEC_NEVER_LOAD) == 0
|| (bfd_get_section_flags (output_bfd, os->bfd_section)
{
os->region->current = dot;
- /* Make sure the new address is within the region. */
- os_region_check (os, os->region, os->addr_tree,
- os->bfd_section->vma);
+ if (check_regions)
+ /* Make sure the new address is within the region. */
+ os_region_check (os, os->region, os->addr_tree,
+ os->bfd_section->vma);
/* If there's no load address specified, use the run
region as the load region. */
if (os->lma_region == NULL && os->load_base == NULL)
os->lma_region = os->region;
- if (os->lma_region != NULL)
+ if (os->lma_region != NULL && os->lma_region != os->region)
{
- if (os->load_base != NULL)
- {
- einfo (_("%X%P: use an absolute load address or a load memory region, not both\n"));
- }
- else
- {
- /* Don't allocate twice. */
- if (os->lma_region != os->region)
- {
- /* Set load_base, which will be handled later. */
- os->load_base =
- exp_intop (os->lma_region->current);
- os->lma_region->current +=
- os->bfd_section->_raw_size / opb;
- os_region_check (os, os->lma_region, NULL,
- os->bfd_section->lma);
- }
- }
+ /* Set load_base, which will be handled later. */
+ os->load_base = exp_intop (os->lma_region->current);
+ os->lma_region->current +=
+ os->bfd_section->_raw_size / opb;
+ if (check_regions)
+ os_region_check (os, os->lma_region, NULL,
+ os->bfd_section->lma);
}
}
}
dot = lang_size_sections_1 (constructor_list.head,
output_section_statement,
&s->wild_statement.children.head,
- fill, dot, relax);
+ fill, dot, relax, check_regions);
break;
case lang_data_statement_enum:
dot = lang_size_sections_1 (s->wild_statement.children.head,
output_section_statement,
&s->wild_statement.children.head,
- fill, dot, relax);
+ fill, dot, relax, check_regions);
break;
}
else
{
- boolean again;
+ bfd_boolean again;
if (! bfd_relax_section (i->owner, i, &link_info, &again))
einfo (_("%P%F: can't relax section: %E\n"));
if (again)
- *relax = true;
+ *relax = TRUE;
}
dot = size_input_section (prev, output_section_statement,
output_section_statement->fill, dot);
dot = lang_size_sections_1 (s->group_statement.children.head,
output_section_statement,
&s->group_statement.children.head,
- fill, dot, relax);
+ fill, dot, relax, check_regions);
break;
default:
}
bfd_vma
-lang_size_sections (s, output_section_statement, prev, fill, dot, relax)
- lang_statement_union_type *s;
- lang_output_section_statement_type *output_section_statement;
- lang_statement_union_type **prev;
- fill_type *fill;
- bfd_vma dot;
- boolean *relax;
+lang_size_sections
+ (lang_statement_union_type *s,
+ lang_output_section_statement_type *output_section_statement,
+ lang_statement_union_type **prev,
+ fill_type *fill,
+ bfd_vma dot,
+ bfd_boolean *relax,
+ bfd_boolean check_regions)
{
bfd_vma result;
exp_data_seg.phase = exp_dataseg_none;
result = lang_size_sections_1 (s, output_section_statement, prev, fill,
- dot, relax);
+ dot, relax, check_regions);
if (exp_data_seg.phase == exp_dataseg_end_seen)
{
/* If DATA_SEGMENT_ALIGN DATA_SEGMENT_END pair was seen, check whether
{
exp_data_seg.phase = exp_dataseg_adjust;
result = lang_size_sections_1 (s, output_section_statement, prev,
- fill, dot, relax);
+ fill, dot, relax, check_regions);
}
}
}
bfd_vma
-lang_do_assignments (s, output_section_statement, fill, dot)
- lang_statement_union_type *s;
- lang_output_section_statement_type *output_section_statement;
- fill_type *fill;
- bfd_vma dot;
+lang_do_assignments
+ (lang_statement_union_type *s,
+ lang_output_section_statement_type *output_section_statement,
+ fill_type *fill,
+ bfd_vma dot)
{
unsigned opb = bfd_arch_mach_octets_per_byte (ldfile_output_architecture,
ldfile_output_machine);
- for (; s != (lang_statement_union_type *) NULL; s = s->header.next)
+ for (; s != NULL; s = s->header.next)
{
switch (s->header.type)
{
abs_output_section,
lang_final_phase_enum, dot, &dot);
s->data_statement.value = value.value;
- if (value.valid_p == false)
+ if (!value.valid_p)
einfo (_("%F%P: invalid data statement\n"));
}
- {
- unsigned int size;
+ {
+ unsigned int size;
switch (s->data_statement.type)
{
default:
abs_output_section,
lang_final_phase_enum, dot, &dot);
s->reloc_statement.addend_value = value.value;
- if (value.valid_p == false)
+ if (!value.valid_p)
einfo (_("%F%P: invalid reloc statement\n"));
}
dot += bfd_get_reloc_size (s->reloc_statement.howto) / opb;
such symbols, and set them to the correct value. */
static void
-lang_set_startof ()
+lang_set_startof (void)
{
asection *s;
- if (link_info.relocateable)
+ if (link_info.relocatable)
return;
for (s = output_bfd->sections; s != NULL; s = s->next)
buf = xmalloc (10 + strlen (secname));
sprintf (buf, ".startof.%s", secname);
- h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true);
+ h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, TRUE);
if (h != NULL && h->type == bfd_link_hash_undefined)
{
h->type = bfd_link_hash_defined;
}
sprintf (buf, ".sizeof.%s", secname);
- h = bfd_link_hash_lookup (link_info.hash, buf, false, false, true);
+ h = bfd_link_hash_lookup (link_info.hash, buf, FALSE, FALSE, TRUE);
if (h != NULL && h->type == bfd_link_hash_undefined)
{
- unsigned opb;
+ unsigned opb;
- opb = bfd_arch_mach_octets_per_byte (ldfile_output_architecture,
+ opb = bfd_arch_mach_octets_per_byte (ldfile_output_architecture,
ldfile_output_machine);
h->type = bfd_link_hash_defined;
if (s->_cooked_size != 0)
}
static void
-lang_finish ()
+lang_finish (void)
{
struct bfd_link_hash_entry *h;
- boolean warn;
+ bfd_boolean warn;
- if (link_info.relocateable || link_info.shared)
- warn = false;
+ if (link_info.relocatable || link_info.shared)
+ warn = FALSE;
else
- warn = true;
+ warn = TRUE;
- if (entry_symbol == (char *) NULL)
+ if (entry_symbol.name == NULL)
{
/* No entry has been specified. Look for start, but don't warn
if we don't find it. */
- entry_symbol = "start";
- warn = false;
+ entry_symbol.name = "start";
+ warn = FALSE;
}
- h = bfd_link_hash_lookup (link_info.hash, entry_symbol, false, false, true);
- if (h != (struct bfd_link_hash_entry *) NULL
+ h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
+ FALSE, FALSE, TRUE);
+ if (h != NULL
&& (h->type == bfd_link_hash_defined
|| h->type == bfd_link_hash_defweak)
&& h->u.def.section->output_section != NULL)
h->u.def.section->output_section)
+ h->u.def.section->output_offset);
if (! bfd_set_start_address (output_bfd, val))
- einfo (_("%P%F:%s: can't set start address\n"), entry_symbol);
+ einfo (_("%P%F:%s: can't set start address\n"), entry_symbol.name);
}
else
{
/* We couldn't find the entry symbol. Try parsing it as a
number. */
- val = bfd_scan_vma (entry_symbol, &send, 0);
+ val = bfd_scan_vma (entry_symbol.name, &send, 0);
if (*send == '\0')
{
if (! bfd_set_start_address (output_bfd, val))
/* Can't find the entry symbol, and it's not a number. Use
the first address in the text section. */
ts = bfd_get_section_by_name (output_bfd, entry_section);
- if (ts != (asection *) NULL)
+ if (ts != NULL)
{
if (warn)
einfo (_("%P: warning: cannot find entry symbol %s; defaulting to %V\n"),
- entry_symbol, bfd_get_section_vma (output_bfd, ts));
+ entry_symbol.name,
+ bfd_get_section_vma (output_bfd, ts));
if (! bfd_set_start_address (output_bfd,
bfd_get_section_vma (output_bfd,
ts)))
{
if (warn)
einfo (_("%P: warning: cannot find entry symbol %s; not setting start address\n"),
- entry_symbol);
+ entry_symbol.name);
}
}
}
BFD. */
static void
-#ifdef ANSI_PROTOTYPES
ignore_bfd_errors (const char *s ATTRIBUTE_UNUSED, ...)
-#else
-ignore_bfd_errors (s)
- const char *s ATTRIBUTE_UNUSED;
-#endif
{
/* Don't do anything. */
}
other checking that is needed. */
static void
-lang_check ()
+lang_check (void)
{
lang_statement_union_type *file;
bfd *input_bfd;
const bfd_arch_info_type *compatible;
- for (file = file_chain.head;
- file != (lang_statement_union_type *) NULL;
- file = file->input_statement.next)
+ for (file = file_chain.head; file != NULL; file = file->input_statement.next)
{
input_bfd = file->input_statement.the_bfd;
- compatible = bfd_arch_get_compatible (input_bfd, output_bfd);
+ compatible = bfd_arch_get_compatible (input_bfd, output_bfd,
+ command_line.accept_unknown_input_arch);
/* In general it is not possible to perform a relocatable
link between differing object formats when the input
input format may not have equivalent representations in
the output format (and besides BFD does not translate
relocs for other link purposes than a final link). */
- if ((link_info.relocateable || link_info.emitrelocations)
+ if ((link_info.relocatable || link_info.emitrelocations)
&& (compatible == NULL
|| bfd_get_flavour (input_bfd) != bfd_get_flavour (output_bfd))
&& (bfd_get_file_flags (input_bfd) & HAS_RELOC) != 0)
else if (bfd_count_sections (input_bfd))
{
/* If the input bfd has no contents, it shouldn't set the
- private data of the output bfd. */
+ private data of the output bfd. */
bfd_error_handler_type pfn = NULL;
to roughly sort the entries by size. */
static void
-lang_common ()
+lang_common (void)
{
if (command_line.inhibit_common_definition)
return;
- if (link_info.relocateable
+ if (link_info.relocatable
&& ! command_line.force_common_definition)
return;
if (! config.sort_common)
- bfd_link_hash_traverse (link_info.hash, lang_one_common, (PTR) NULL);
+ bfd_link_hash_traverse (link_info.hash, lang_one_common, NULL);
else
{
int power;
for (power = 4; power >= 0; power--)
- bfd_link_hash_traverse (link_info.hash, lang_one_common,
- (PTR) &power);
+ bfd_link_hash_traverse (link_info.hash, lang_one_common, &power);
}
}
/* Place one common symbol in the correct section. */
-static boolean
-lang_one_common (h, info)
- struct bfd_link_hash_entry *h;
- PTR info;
+static bfd_boolean
+lang_one_common (struct bfd_link_hash_entry *h, void *info)
{
unsigned int power_of_two;
bfd_vma size;
ldfile_output_machine);
if (h->type != bfd_link_hash_common)
- return true;
+ return TRUE;
size = h->u.c.size;
power_of_two = h->u.c.p->alignment_power;
if (config.sort_common
&& power_of_two < (unsigned int) *(int *) info)
- return true;
+ return TRUE;
section = h->u.c.p->section;
/* Increase the size of the section. */
- section->_cooked_size = ALIGN_N ((section->_cooked_size + opb - 1) / opb,
- (bfd_size_type) (1 << power_of_two)) * opb;
+ section->_cooked_size = align_n ((section->_cooked_size + opb - 1) / opb,
+ (bfd_vma) 1 << power_of_two) * opb;
/* Adjust the alignment if necessary. */
if (power_of_two > section->alignment_power)
if (config.map_file != NULL)
{
- static boolean header_printed;
+ static bfd_boolean header_printed;
int len;
char *name;
char buf[50];
{
minfo (_("\nAllocating common symbols\n"));
minfo (_("Common symbol size file\n\n"));
- header_printed = true;
+ header_printed = TRUE;
}
name = demangle (h->root.string);
minfo ("%B\n", section->owner);
}
- return true;
+ return TRUE;
}
/* Run through the input files and ensure that every input section has
an input request and place it into the statement tree. */
static void
-lang_place_orphans ()
+lang_place_orphans (void)
{
LANG_FOR_EACH_INPUT_STATEMENT (file)
{
asection *s;
- for (s = file->the_bfd->sections;
- s != (asection *) NULL;
- s = s->next)
+ for (s = file->the_bfd->sections; s != NULL; s = s->next)
{
- if (s->output_section == (asection *) NULL)
+ if (s->output_section == NULL)
{
- /* This section of the file is not attatched, root
+ /* This section of the file is not attached, root
around for a sensible place for it to go. */
if (file->just_syms_flag)
{
- /* We are only retrieving symbol values from this
- file. We want the symbols to act as though the
- values in the file are absolute. */
- s->output_section = bfd_abs_section_ptr;
- s->output_offset = s->vma;
+ abort ();
}
else if (strcmp (s->name, "COMMON") == 0)
{
/* This is a lonely common section which must have
come from an archive. We attach to the section
with the wildcard. */
- if (! link_info.relocateable
+ if (! link_info.relocatable
|| command_line.force_common_definition)
{
if (default_common_section == NULL)
}
void
-lang_set_flags (ptr, flags, invert)
- lang_memory_region_type *ptr;
- const char *flags;
- int invert;
+lang_set_flags (lang_memory_region_type *ptr, const char *flags, int invert)
{
flagword *ptr_flags;
on an archive, but not on the elements. */
void
-lang_for_each_input_file (func)
- void (*func) PARAMS ((lang_input_statement_type *));
+lang_for_each_input_file (void (*func) (lang_input_statement_type *))
{
lang_input_statement_type *f;
not be called on the archive file itself. */
void
-lang_for_each_file (func)
- void (*func) PARAMS ((lang_input_statement_type *));
+lang_for_each_file (void (*func) (lang_input_statement_type *))
{
LANG_FOR_EACH_INPUT_STATEMENT (f)
{
/* Not used. */
void
-lang_for_each_input_section (func)
- void (*func) PARAMS ((bfd *ab, asection *as));
+lang_for_each_input_section (void (*func) (bfd *ab, asection *as))
{
LANG_FOR_EACH_INPUT_STATEMENT (f)
{
asection *s;
- for (s = f->the_bfd->sections;
- s != (asection *) NULL;
- s = s->next)
- {
- func (f->the_bfd, s);
- }
+ for (s = f->the_bfd->sections; s != NULL; s = s->next)
+ func (f->the_bfd, s);
}
}
#endif
void
-ldlang_add_file (entry)
- lang_input_statement_type *entry;
+ldlang_add_file (lang_input_statement_type *entry)
{
bfd **pp;
/* The BFD linker needs to have a list of all input BFDs involved in
a link. */
- ASSERT (entry->the_bfd->link_next == (bfd *) NULL);
+ ASSERT (entry->the_bfd->link_next == NULL);
ASSERT (entry->the_bfd != output_bfd);
- for (pp = &link_info.input_bfds;
- *pp != (bfd *) NULL;
- pp = &(*pp)->link_next)
+ for (pp = &link_info.input_bfds; *pp != NULL; pp = &(*pp)->link_next)
;
*pp = entry->the_bfd;
- entry->the_bfd->usrdata = (PTR) entry;
+ entry->the_bfd->usrdata = entry;
bfd_set_gp_size (entry->the_bfd, g_switch_value);
/* Look through the sections and check for any which should not be
each backend which might set the SEC_LINK_ONCE flag. If we do
this, we should probably handle SEC_EXCLUDE in the same way. */
- bfd_map_over_sections (entry->the_bfd, section_already_linked, (PTR) entry);
+ bfd_map_over_sections (entry->the_bfd, section_already_linked, entry);
}
void
-lang_add_output (name, from_script)
- const char *name;
- int from_script;
+lang_add_output (const char *name, int from_script)
{
/* Make -o on command line override OUTPUT in script. */
- if (had_output_filename == false || !from_script)
+ if (!had_output_filename || !from_script)
{
output_filename = name;
- had_output_filename = true;
+ had_output_filename = TRUE;
}
}
static lang_output_section_statement_type *current_section;
static int
-topower (x)
- int x;
+topower (int x)
{
unsigned int i = 1;
int l;
}
lang_output_section_statement_type *
-lang_enter_output_section_statement (output_section_statement_name,
- address_exp, sectype, block_value,
- align, subalign, ebase)
- const char *output_section_statement_name;
- etree_type *address_exp;
- enum section_type sectype;
- bfd_vma block_value;
- etree_type *align;
- etree_type *subalign;
- etree_type *ebase;
+lang_enter_output_section_statement (const char *output_section_statement_name,
+ etree_type *address_exp,
+ enum section_type sectype,
+ bfd_vma block_value,
+ etree_type *align,
+ etree_type *subalign,
+ etree_type *ebase)
{
lang_output_section_statement_type *os;
#endif
/* Make next things chain into subchain of this. */
- if (os->addr_tree == (etree_type *) NULL)
+ if (os->addr_tree == NULL)
{
os->addr_tree = address_exp;
}
}
void
-lang_final ()
+lang_final (void)
{
lang_output_statement_type *new =
new_stat (lang_output_statement, stat_ptr);
/* Reset the current counters in the regions. */
void
-lang_reset_memory_regions ()
+lang_reset_memory_regions (void)
{
lang_memory_region_type *p = lang_memory_region_list;
asection *o;
- for (p = lang_memory_region_list;
- p != (lang_memory_region_type *) NULL;
- p = p->next)
+ for (p = lang_memory_region_list; p != NULL; p = p->next)
{
p->old_length = (bfd_size_type) (p->current - p->origin);
p->current = p->origin;
should be as well. */
static void
-gc_section_callback (ptr, sec, section, file, data)
- lang_wild_statement_type *ptr;
- struct wildcard_list *sec ATTRIBUTE_UNUSED;
- asection *section;
- lang_input_statement_type *file ATTRIBUTE_UNUSED;
- PTR data ATTRIBUTE_UNUSED;
+gc_section_callback (lang_wild_statement_type *ptr,
+ struct wildcard_list *sec ATTRIBUTE_UNUSED,
+ asection *section,
+ lang_input_statement_type *file ATTRIBUTE_UNUSED,
+ void *data ATTRIBUTE_UNUSED)
{
if (ptr->keep_sections)
section->flags |= SEC_KEEP;
/* Handle a wild statement, marking it against GC. */
static void
-lang_gc_wild (s)
- lang_wild_statement_type *s;
+lang_gc_wild (lang_wild_statement_type *s)
{
walk_wild (s, gc_section_callback, NULL);
}
/* Iterate over sections marking them against GC. */
static void
-lang_gc_sections_1 (s)
- lang_statement_union_type *s;
+lang_gc_sections_1 (lang_statement_union_type *s)
{
- for (; s != (lang_statement_union_type *) NULL; s = s->header.next)
+ for (; s != NULL; s = s->header.next)
{
switch (s->header.type)
{
}
static void
-lang_gc_sections ()
+lang_gc_sections (void)
{
struct bfd_link_hash_entry *h;
- ldlang_undef_chain_list_type *ulist, fake_list_start;
+ ldlang_undef_chain_list_type *ulist;
/* Keep all sections so marked in the link script. */
lang_gc_sections_1 (statement_list.head);
- /* Keep all sections containing symbols undefined on the command-line.
- Handle the entry symbol at the same time. */
+ /* Keep all sections containing symbols undefined on the command-line,
+ and the section containing the entry symbol. */
- if (entry_symbol != NULL)
- {
- fake_list_start.next = ldlang_undef_chain_list_head;
- fake_list_start.name = (char *) entry_symbol;
- ulist = &fake_list_start;
- }
- else
- ulist = ldlang_undef_chain_list_head;
-
- for (; ulist; ulist = ulist->next)
+ for (ulist = link_info.gc_sym_list; ulist; ulist = ulist->next)
{
h = bfd_link_hash_lookup (link_info.hash, ulist->name,
- false, false, false);
+ FALSE, FALSE, FALSE);
- if (h != (struct bfd_link_hash_entry *) NULL
+ if (h != NULL
&& (h->type == bfd_link_hash_defined
|| h->type == bfd_link_hash_defweak)
&& ! bfd_is_abs_section (h->u.def.section))
}
void
-lang_process ()
+lang_process (void)
{
lang_reasonable_defaults ();
current_target = default_target;
/* Create a bfd for each input file. */
current_target = default_target;
- open_input_bfds (statement_list.head, false);
+ open_input_bfds (statement_list.head, FALSE);
+
+ link_info.gc_sym_list = &entry_symbol;
+ if (entry_symbol.name == NULL)
+ link_info.gc_sym_list = ldlang_undef_chain_list_head;
ldemul_after_open ();
/* Run through the contours of the script and attach input sections
to the correct output sections. */
- map_input_to_output_sections (statement_list.head, (char *) NULL,
- (lang_output_section_statement_type *) NULL);
+ map_input_to_output_sections (statement_list.head, NULL, NULL);
/* Find any sections not attached explicitly and handle them. */
lang_place_orphans ();
+ if (! link_info.relocatable)
+ {
+ /* Look for a text section and set the readonly attribute in it. */
+ asection *found = bfd_get_section_by_name (output_bfd, ".text");
+
+ if (found != NULL)
+ {
+ if (config.text_read_only)
+ found->flags |= SEC_READONLY;
+ else
+ found->flags &= ~SEC_READONLY;
+ }
+ }
+
+ /* Do anything special before sizing sections. This is where ELF
+ and other back-ends size dynamic sections. */
ldemul_before_allocation ();
+ if (!link_info.relocatable)
+ strip_excluded_output_sections ();
+
/* We must record the program headers before we try to fix the
section positions, since they will affect SIZEOF_HEADERS. */
lang_record_phdrs ();
/* Size up the sections. */
- lang_size_sections (statement_list.head,
- abs_output_section,
- &statement_list.head, 0, (bfd_vma) 0, NULL);
+ lang_size_sections (statement_list.head, abs_output_section,
+ &statement_list.head, 0, 0, NULL,
+ command_line.relax ? FALSE : TRUE);
/* Now run around and relax if we can. */
if (command_line.relax)
{
/* Keep relaxing until bfd_relax_section gives up. */
- boolean relax_again;
+ bfd_boolean relax_again;
do
{
lang_reset_memory_regions ();
- relax_again = false;
+ relax_again = FALSE;
/* Note: pe-dll.c does something like this also. If you find
you need to change this code, you probably need to change
/* Do all the assignments with our current guesses as to
section sizes. */
- lang_do_assignments (statement_list.head,
- abs_output_section,
- (fill_type *) 0, (bfd_vma) 0);
+ lang_do_assignments (statement_list.head, abs_output_section,
+ NULL, 0);
/* Perform another relax pass - this time we know where the
- globals are, so can make better guess. */
- lang_size_sections (statement_list.head,
- abs_output_section,
- &(statement_list.head), 0, (bfd_vma) 0,
- &relax_again);
+ globals are, so can make a better guess. */
+ lang_size_sections (statement_list.head, abs_output_section,
+ &statement_list.head, 0, 0, &relax_again, FALSE);
+
+ /* If the normal relax is done and the relax finalize pass
+ is not performed yet, we perform another relax pass. */
+ if (!relax_again && !link_info.relax_finalizing)
+ {
+ link_info.relax_finalizing = TRUE;
+ relax_again = TRUE;
+ }
}
while (relax_again);
+
+ /* Final extra sizing to report errors. */
+ lang_reset_memory_regions ();
+ lang_do_assignments (statement_list.head, abs_output_section, NULL, 0);
+ lang_size_sections (statement_list.head, abs_output_section,
+ &statement_list.head, 0, 0, NULL, TRUE);
}
/* See if anything special should be done now we know how big
/* Do all the assignments, now that we know the final resting places
of all the symbols. */
- lang_do_assignments (statement_list.head,
- abs_output_section,
- (fill_type *) 0, (bfd_vma) 0);
+ lang_do_assignments (statement_list.head, abs_output_section, NULL, 0);
/* Make sure that the section addresses make sense. */
- if (! link_info.relocateable
+ if (! link_info.relocatable
&& command_line.check_section_addresses)
lang_check_section_addresses ();
/* EXPORTED TO YACC */
void
-lang_add_wild (filespec, section_list, keep_sections)
- struct wildcard_spec *filespec;
- struct wildcard_list *section_list;
- boolean keep_sections;
+lang_add_wild (struct wildcard_spec *filespec,
+ struct wildcard_list *section_list,
+ bfd_boolean keep_sections)
{
struct wildcard_list *curr, *next;
lang_wild_statement_type *new;
section_list = curr, curr = next)
{
if (curr->spec.name != NULL && strcmp (curr->spec.name, "COMMON") == 0)
- placed_commons = true;
+ placed_commons = TRUE;
next = curr->next;
curr->next = section_list;
if (strcmp (filespec->name, "*") == 0)
filespec->name = NULL;
else if (! wildcardp (filespec->name))
- lang_has_input_file = true;
+ lang_has_input_file = TRUE;
}
new = new_stat (lang_wild_statement, stat_ptr);
new->filename = NULL;
- new->filenames_sorted = false;
+ new->filenames_sorted = FALSE;
if (filespec != NULL)
{
new->filename = filespec->name;
}
void
-lang_section_start (name, address)
- const char *name;
- etree_type *address;
+lang_section_start (const char *name, etree_type *address)
{
lang_address_statement_type *ad;
precedence. */
void
-lang_add_entry (name, cmdline)
- const char *name;
- boolean cmdline;
+lang_add_entry (const char *name, bfd_boolean cmdline)
{
- if (entry_symbol == NULL
+ if (entry_symbol.name == NULL
|| cmdline
|| ! entry_from_cmdline)
{
- entry_symbol = name;
+ entry_symbol.name = name;
entry_from_cmdline = cmdline;
}
}
void
-lang_add_target (name)
- const char *name;
+lang_add_target (const char *name)
{
lang_target_statement_type *new = new_stat (lang_target_statement,
stat_ptr);
}
void
-lang_add_map (name)
- const char *name;
+lang_add_map (const char *name)
{
while (*name)
{
switch (*name)
{
case 'F':
- map_option_f = true;
+ map_option_f = TRUE;
break;
}
name++;
}
void
-lang_add_fill (fill)
- fill_type *fill;
+lang_add_fill (fill_type *fill)
{
lang_fill_statement_type *new = new_stat (lang_fill_statement,
stat_ptr);
}
void
-lang_add_data (type, exp)
- int type;
- union etree_union *exp;
+lang_add_data (int type, union etree_union *exp)
{
lang_data_statement_type *new = new_stat (lang_data_statement,
NAME must be NULL. ADDEND is an expression for the addend. */
void
-lang_add_reloc (reloc, howto, section, name, addend)
- bfd_reloc_code_real_type reloc;
- reloc_howto_type *howto;
- asection *section;
- const char *name;
- union etree_union *addend;
+lang_add_reloc (bfd_reloc_code_real_type reloc,
+ reloc_howto_type *howto,
+ asection *section,
+ const char *name,
+ union etree_union *addend)
{
lang_reloc_statement_type *p = new_stat (lang_reloc_statement, stat_ptr);
}
lang_assignment_statement_type *
-lang_add_assignment (exp)
- etree_type *exp;
+lang_add_assignment (etree_type *exp)
{
lang_assignment_statement_type *new = new_stat (lang_assignment_statement,
stat_ptr);
}
void
-lang_add_attribute (attribute)
- enum statement_enum attribute;
+lang_add_attribute (enum statement_enum attribute)
{
new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr);
}
void
-lang_startup (name)
- const char *name;
+lang_startup (const char *name)
{
- if (startup_file != (char *) NULL)
+ if (startup_file != NULL)
{
einfo (_("%P%Fmultiple STARTUP files\n"));
}
first_file->filename = name;
first_file->local_sym_name = name;
- first_file->real = true;
+ first_file->real = TRUE;
startup_file = name;
}
void
-lang_float (maybe)
- boolean maybe;
+lang_float (bfd_boolean maybe)
{
lang_float_flag = maybe;
}
+
+/* Work out the load- and run-time regions from a script statement, and
+ store them in *LMA_REGION and *REGION respectively.
+
+ MEMSPEC is the name of the run-time region, or "*default*" if the
+ statement didn't specify one. LMA_MEMSPEC is the name of the
+ load-time region, or null if the statement didn't specify one.
+ HAVE_LMA_P is TRUE if the statement had an explicit load address.
+
+ It is an error to specify both a load region and a load address. */
+
+static void
+lang_get_regions (struct memory_region_struct **region,
+ struct memory_region_struct **lma_region,
+ const char *memspec,
+ const char *lma_memspec,
+ int have_lma_p)
+{
+ *lma_region = lang_memory_region_lookup (lma_memspec);
+
+ /* If no runtime region has been given, but the load region has
+ been, use the load region. */
+ if (lma_memspec != 0 && strcmp (memspec, "*default*") == 0)
+ *region = *lma_region;
+ else
+ *region = lang_memory_region_lookup (memspec);
+
+ if (have_lma_p && lma_memspec != 0)
+ einfo (_("%X%P:%S: section has both a load address and a load region\n"));
+}
+
void
-lang_leave_output_section_statement (fill, memspec, phdrs, lma_memspec)
- fill_type *fill;
- const char *memspec;
- struct lang_output_section_phdr_list *phdrs;
- const char *lma_memspec;
+lang_leave_output_section_statement
+ (fill_type *fill, const char *memspec,
+ struct lang_output_section_phdr_list *phdrs, const char *lma_memspec)
{
+ lang_get_regions (¤t_section->region,
+ ¤t_section->lma_region,
+ memspec, lma_memspec,
+ current_section->load_base != 0);
current_section->fill = fill;
- current_section->region = lang_memory_region_lookup (memspec);
- if (strcmp (lma_memspec, "*default*") != 0)
- {
- current_section->lma_region = lang_memory_region_lookup (lma_memspec);
- /* If no runtime region has been given, but the load region has
- been, use the load region. */
- if (strcmp (memspec, "*default*") == 0)
- current_section->region = lang_memory_region_lookup (lma_memspec);
- }
current_section->phdrs = phdrs;
stat_ptr = &statement_list;
}
If the symbol already exists, then do nothing. */
void
-lang_abs_symbol_at_beginning_of (secname, name)
- const char *secname;
- const char *name;
+lang_abs_symbol_at_beginning_of (const char *secname, const char *name)
{
struct bfd_link_hash_entry *h;
- h = bfd_link_hash_lookup (link_info.hash, name, true, true, true);
- if (h == (struct bfd_link_hash_entry *) NULL)
+ h = bfd_link_hash_lookup (link_info.hash, name, TRUE, TRUE, TRUE);
+ if (h == NULL)
einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
if (h->type == bfd_link_hash_new
h->type = bfd_link_hash_defined;
sec = bfd_get_section_by_name (output_bfd, secname);
- if (sec == (asection *) NULL)
+ if (sec == NULL)
h->u.def.value = 0;
else
h->u.def.value = bfd_get_section_vma (output_bfd, sec);
If the symbol already exists, then do nothing. */
void
-lang_abs_symbol_at_end_of (secname, name)
- const char *secname;
- const char *name;
+lang_abs_symbol_at_end_of (const char *secname, const char *name)
{
struct bfd_link_hash_entry *h;
- h = bfd_link_hash_lookup (link_info.hash, name, true, true, true);
- if (h == (struct bfd_link_hash_entry *) NULL)
+ h = bfd_link_hash_lookup (link_info.hash, name, TRUE, TRUE, TRUE);
+ if (h == NULL)
einfo (_("%P%F: bfd_link_hash_lookup failed: %E\n"));
if (h->type == bfd_link_hash_new
h->type = bfd_link_hash_defined;
sec = bfd_get_section_by_name (output_bfd, secname);
- if (sec == (asection *) NULL)
+ if (sec == NULL)
h->u.def.value = 0;
else
h->u.def.value = (bfd_get_section_vma (output_bfd, sec)
}
void
-lang_statement_append (list, element, field)
- lang_statement_list_type *list;
- lang_statement_union_type *element;
- lang_statement_union_type **field;
+lang_statement_append (lang_statement_list_type *list,
+ lang_statement_union_type *element,
+ lang_statement_union_type **field)
{
*(list->tail) = element;
list->tail = field;
/* Set the output format type. -oformat overrides scripts. */
void
-lang_add_output_format (format, big, little, from_script)
- const char *format;
- const char *big;
- const char *little;
- int from_script;
+lang_add_output_format (const char *format,
+ const char *big,
+ const char *little,
+ int from_script)
{
if (output_target == NULL || !from_script)
{
stat_ptr to build new statements within the group. */
void
-lang_enter_group ()
+lang_enter_group (void)
{
lang_group_statement_type *g;
but currently they can't. */
void
-lang_leave_group ()
+lang_leave_group (void)
{
stat_ptr = &statement_list;
}
command in a linker script. */
void
-lang_new_phdr (name, type, filehdr, phdrs, at, flags)
- const char *name;
- etree_type *type;
- boolean filehdr;
- boolean phdrs;
- etree_type *at;
- etree_type *flags;
+lang_new_phdr (const char *name,
+ etree_type *type,
+ bfd_boolean filehdr,
+ bfd_boolean phdrs,
+ etree_type *at,
+ etree_type *flags)
{
struct lang_phdr *n, **pp;
- n = (struct lang_phdr *) stat_alloc (sizeof (struct lang_phdr));
+ n = stat_alloc (sizeof (struct lang_phdr));
n->next = NULL;
n->name = name;
n->type = exp_get_value_int (type, 0, "program header type",
should not be calling an ELF specific function here. */
static void
-lang_record_phdrs ()
+lang_record_phdrs (void)
{
unsigned int alc;
asection **secs;
lang_statement_union_type *u;
alc = 10;
- secs = (asection **) xmalloc (alc * sizeof (asection *));
+ secs = xmalloc (alc * sizeof (asection *));
last = NULL;
for (l = lang_phdr_list; l != NULL; l = l->next)
{
if (c >= alc)
{
alc *= 2;
- secs = ((asection **)
- xrealloc (secs, alc * sizeof (asection *)));
+ secs = xrealloc (secs, alc * sizeof (asection *));
}
secs[c] = os->bfd_section;
++c;
- pl->used = true;
+ pl->used = TRUE;
}
}
}
/* Record a list of sections which may not be cross referenced. */
void
-lang_add_nocrossref (l)
- struct lang_nocrossref *l;
+lang_add_nocrossref (struct lang_nocrossref *l)
{
struct lang_nocrossrefs *n;
- n = (struct lang_nocrossrefs *) xmalloc (sizeof *n);
+ n = xmalloc (sizeof *n);
n->next = nocrossref_list;
n->list = l;
nocrossref_list = n;
/* Set notice_all so that we get informed about all symbols. */
- link_info.notice_all = true;
+ link_info.notice_all = TRUE;
}
\f
/* Overlay handling. We handle overlays with some static variables. */
/* The overlay virtual address. */
static etree_type *overlay_vma;
-/* The overlay load address. */
-static etree_type *overlay_lma;
-
-/* Whether nocrossrefs is set for this overlay. */
-static int overlay_nocrossrefs;
-
/* An expression for the maximum section size seen so far. */
static etree_type *overlay_max;
/* Start handling an overlay. */
void
-lang_enter_overlay (vma_expr, lma_expr, nocrossrefs)
- etree_type *vma_expr;
- etree_type *lma_expr;
- int nocrossrefs;
+lang_enter_overlay (etree_type *vma_expr)
{
/* The grammar should prevent nested overlays from occurring. */
- ASSERT (overlay_vma == NULL
- && overlay_lma == NULL
- && overlay_list == NULL
- && overlay_max == NULL);
+ ASSERT (overlay_vma == NULL && overlay_max == NULL);
overlay_vma = vma_expr;
- overlay_lma = lma_expr;
- overlay_nocrossrefs = nocrossrefs;
}
/* Start a section in an overlay. We handle this by calling
- lang_enter_output_section_statement with the correct VMA and LMA. */
+ lang_enter_output_section_statement with the correct VMA.
+ lang_leave_overlay sets up the LMA and memory regions. */
void
-lang_enter_overlay_section (name)
- const char *name;
+lang_enter_overlay_section (const char *name)
{
struct overlay_list *n;
etree_type *size;
lang_enter_output_section_statement (name, overlay_vma, normal_section,
- 0, 0, 0, overlay_lma);
+ 0, 0, 0, 0);
- /* If this is the first section, then base the VMA and LMA of future
+ /* If this is the first section, then base the VMA of future
sections on this one. This will work correctly even if `.' is
used in the addresses. */
if (overlay_list == NULL)
- {
- overlay_vma = exp_nameop (ADDR, name);
- overlay_lma = exp_nameop (LOADADDR, name);
- }
+ overlay_vma = exp_nameop (ADDR, name);
/* Remember the section. */
- n = (struct overlay_list *) xmalloc (sizeof *n);
+ n = xmalloc (sizeof *n);
n->os = current_section;
n->next = overlay_list;
overlay_list = n;
size = exp_nameop (SIZEOF, name);
- /* Adjust the LMA for the next section. */
- overlay_lma = exp_binop ('+', overlay_lma, size);
-
/* Arrange to work out the maximum section end address. */
if (overlay_max == NULL)
overlay_max = size;
here. */
void
-lang_leave_overlay_section (fill, phdrs)
- fill_type *fill;
- struct lang_output_section_phdr_list *phdrs;
+lang_leave_overlay_section (fill_type *fill,
+ struct lang_output_section_phdr_list *phdrs)
{
const char *name;
char *clean, *s2;
name = current_section->name;
- lang_leave_output_section_statement (fill, "*default*",
- phdrs, "*default*");
+ /* For now, assume that "*default*" is the run-time memory region and
+ that no load-time region has been specified. It doesn't really
+ matter what we say here, since lang_leave_overlay will override it. */
+ lang_leave_output_section_statement (fill, "*default*", phdrs, 0);
/* Define the magic symbols. */
looks through all the sections in the overlay and sets them. */
void
-lang_leave_overlay (fill, memspec, phdrs, lma_memspec)
- fill_type *fill;
- const char *memspec;
- struct lang_output_section_phdr_list *phdrs;
- const char *lma_memspec;
+lang_leave_overlay (etree_type *lma_expr,
+ int nocrossrefs,
+ fill_type *fill,
+ const char *memspec,
+ struct lang_output_section_phdr_list *phdrs,
+ const char *lma_memspec)
{
lang_memory_region_type *region;
- lang_memory_region_type * default_region;
lang_memory_region_type *lma_region;
struct overlay_list *l;
struct lang_nocrossref *nocrossref;
- default_region = lang_memory_region_lookup ("*default*");
-
- if (memspec == NULL)
- region = NULL;
- else
- region = lang_memory_region_lookup (memspec);
-
- if (lma_memspec == NULL)
- lma_region = NULL;
- else
- lma_region = lang_memory_region_lookup (lma_memspec);
+ lang_get_regions (®ion, &lma_region,
+ memspec, lma_memspec,
+ lma_expr != 0);
nocrossref = NULL;
+ /* After setting the size of the last section, set '.' to end of the
+ overlay region. */
+ if (overlay_list != NULL)
+ overlay_list->os->update_dot_tree
+ = exp_assop ('=', ".", exp_binop ('+', overlay_vma, overlay_max));
+
l = overlay_list;
while (l != NULL)
{
struct overlay_list *next;
- if (fill != (fill_type *) 0 && l->os->fill == (fill_type *) 0)
+ if (fill != NULL && l->os->fill == NULL)
l->os->fill = fill;
- /* Assign a region to the sections, if one has been specified.
- Override the assignment of the default section, but not
- other sections. */
- if (region != NULL &&
- (l->os->region == NULL ||
- l->os->region == default_region))
- l->os->region = region;
-
- /* We only set lma_region for the first overlay section, as
- subsequent overlay sections will have load_base set relative
- to the first section. Also, don't set lma_region if
- load_base is specified. FIXME: There should really be a test
- that `AT ( LDADDR )' doesn't conflict with `AT >LMA_REGION'
- rather than letting LDADDR simply override LMA_REGION. */
- if (lma_region != NULL && l->os->lma_region == NULL
- && l->next == NULL && l->os->load_base == NULL)
- l->os->lma_region = lma_region;
+ l->os->region = region;
+ l->os->lma_region = lma_region;
+
+ /* The first section has the load address specified in the
+ OVERLAY statement. The rest are worked out from that.
+ The base address is not needed (and should be null) if
+ an LMA region was specified. */
+ if (l->next == 0)
+ l->os->load_base = lma_expr;
+ else if (lma_region == 0)
+ l->os->load_base = exp_binop ('+',
+ exp_nameop (LOADADDR, l->next->os->name),
+ exp_nameop (SIZEOF, l->next->os->name));
if (phdrs != NULL && l->os->phdrs == NULL)
l->os->phdrs = phdrs;
- if (overlay_nocrossrefs)
+ if (nocrossrefs)
{
struct lang_nocrossref *nc;
- nc = (struct lang_nocrossref *) xmalloc (sizeof *nc);
+ nc = xmalloc (sizeof *nc);
nc->name = l->os->name;
nc->next = nocrossref;
nocrossref = nc;
if (nocrossref != NULL)
lang_add_nocrossref (nocrossref);
- /* Update . for the end of the overlay. */
- lang_add_assignment (exp_assop ('=', ".",
- exp_binop ('+', overlay_vma, overlay_max)));
-
overlay_vma = NULL;
- overlay_lma = NULL;
- overlay_nocrossrefs = 0;
overlay_list = NULL;
overlay_max = NULL;
}
struct bfd_elf_version_tree *lang_elf_version_info;
static int
-lang_vers_match_lang_c (expr, sym)
- struct bfd_elf_version_expr *expr;
- const char *sym;
+lang_vers_match_lang_c (struct bfd_elf_version_expr *expr,
+ const char *sym)
{
if (expr->pattern[0] == '*' && expr->pattern[1] == '\0')
return 1;
}
static int
-lang_vers_match_lang_cplusplus (expr, sym)
- struct bfd_elf_version_expr *expr;
- const char *sym;
+lang_vers_match_lang_cplusplus (struct bfd_elf_version_expr *expr,
+ const char *sym)
{
char *alt_sym;
int result;
if (!alt_sym)
{
/* cplus_demangle (also) returns NULL when it is not a C++ symbol.
- Should we early out false in this case? */
+ Should we early out FALSE in this case? */
result = fnmatch (expr->pattern, sym, 0) == 0;
}
else
}
static int
-lang_vers_match_lang_java (expr, sym)
- struct bfd_elf_version_expr *expr;
- const char *sym;
+lang_vers_match_lang_java (struct bfd_elf_version_expr *expr,
+ const char *sym)
{
char *alt_sym;
int result;
if (!alt_sym)
{
/* cplus_demangle (also) returns NULL when it is not a Java symbol.
- Should we early out false in this case? */
+ Should we early out FALSE in this case? */
result = fnmatch (expr->pattern, sym, 0) == 0;
}
else
/* This is called for each variable name or match expression. */
struct bfd_elf_version_expr *
-lang_new_vers_pattern (orig, new, lang)
- struct bfd_elf_version_expr *orig;
- const char *new;
- const char *lang;
+lang_new_vers_pattern (struct bfd_elf_version_expr *orig,
+ const char *new,
+ const char *lang)
{
struct bfd_elf_version_expr *ret;
- ret = (struct bfd_elf_version_expr *) xmalloc (sizeof *ret);
+ ret = xmalloc (sizeof *ret);
ret->next = orig;
ret->pattern = new;
+ ret->symver = 0;
+ ret->script = 0;
if (lang == NULL || strcasecmp (lang, "C") == 0)
ret->match = lang_vers_match_lang_c;
ret->match = lang_vers_match_lang_c;
}
- return ret;
+ return ldemul_new_vers_pattern (ret);
}
/* This is called for each set of variable names and match
expressions. */
struct bfd_elf_version_tree *
-lang_new_vers_node (globals, locals)
- struct bfd_elf_version_expr *globals;
- struct bfd_elf_version_expr *locals;
+lang_new_vers_node (struct bfd_elf_version_expr *globals,
+ struct bfd_elf_version_expr *locals)
{
struct bfd_elf_version_tree *ret;
- ret = (struct bfd_elf_version_tree *) xmalloc (sizeof *ret);
+ ret = xmalloc (sizeof *ret);
ret->next = NULL;
ret->name = NULL;
ret->vernum = 0;
version. */
void
-lang_register_vers_node (name, version, deps)
- const char *name;
- struct bfd_elf_version_tree *version;
- struct bfd_elf_version_deps *deps;
+lang_register_vers_node (const char *name,
+ struct bfd_elf_version_tree *version,
+ struct bfd_elf_version_deps *deps)
{
struct bfd_elf_version_tree *t, **pp;
struct bfd_elf_version_expr *e1;
|| (lang_elf_version_info && lang_elf_version_info->name[0] == '\0'))
{
einfo (_("%X%P: anonymous version tag cannot be combined with other version tags\n"));
+ free (version);
return;
}
/* This is called when we see a version dependency. */
struct bfd_elf_version_deps *
-lang_add_vers_depend (list, name)
- struct bfd_elf_version_deps *list;
- const char *name;
+lang_add_vers_depend (struct bfd_elf_version_deps *list, const char *name)
{
struct bfd_elf_version_deps *ret;
struct bfd_elf_version_tree *t;
- ret = (struct bfd_elf_version_deps *) xmalloc (sizeof *ret);
+ ret = xmalloc (sizeof *ret);
ret->next = list;
for (t = lang_elf_version_info; t != NULL; t = t->next)
}
static void
-lang_do_version_exports_section ()
+lang_do_version_exports_section (void)
{
struct bfd_elf_version_expr *greg = NULL, *lreg;
bfd_size_type len;
if (sec == NULL)
- continue;
+ continue;
len = bfd_section_size (is->the_bfd, sec);
contents = xmalloc (len);
}
void
-lang_add_unique (name)
- const char *name;
+lang_add_unique (const char *name)
{
struct unique_sections *ent;
if (strcmp (ent->name, name) == 0)
return;
- ent = (struct unique_sections *) xmalloc (sizeof *ent);
+ ent = xmalloc (sizeof *ent);
ent->name = xstrdup (name);
ent->next = unique_section_list;
unique_section_list = ent;