-/* Copyright (C) 1991 Free Software Foundation, Inc.
-
+/* Linker command language support.
+ Copyright (C) 1991, 92, 93, 94, 1995 Free Software Foundation, Inc.
+
This file is part of GLD, the Gnu Linker.
GLD is free software; you can redistribute it and/or modify
along with GLD; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* $Id$
- *
-*/
-
-
-
-#include "sysdep.h"
#include "bfd.h"
+#include "sysdep.h"
+#include "libiberty.h"
+#include "bfdlink.h"
#include "ld.h"
#include "ldmain.h"
-#include "ldsym.h"
#include "ldgram.h"
-
-#include "ldlang.h"
#include "ldexp.h"
+#include "ldlang.h"
#include "ldemul.h"
#include "ldlex.h"
#include "ldmisc.h"
+#include "ldctor.h"
+#include "ldfile.h"
+
/* FORWARDS */
-PROTO(static void, print_statements,(void));
-PROTO(static void, print_statement,(lang_statement_union_type *,
- lang_output_section_statement_type *));
+static void print_statements PARAMS ((void));
+static void print_statement PARAMS ((lang_statement_union_type *,
+ lang_output_section_statement_type *));
+static lang_statement_union_type *new_statement PARAMS ((enum statement_enum,
+ size_t,
+ lang_statement_list_type*));
/* LOCALS */
-static CONST char *startup_file;
+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 lang_output_section_statement_type *default_common_section;
static lang_statement_list_type lang_output_section_statement;
static CONST char *current_target;
static CONST char *output_target;
-static size_t longest_section_name = 8;
-static asection common_section;
-static section_userdata_type common_section_userdata;
+static int longest_section_name = 8;
static lang_statement_list_type statement_list;
-/* EXPORTS */
+static void print_size PARAMS ((size_t value));
+static void print_alignment PARAMS ((unsigned int value));
+static void print_fill PARAMS ((fill_type value));
+static void print_section PARAMS ((const char *name));
+static void lang_for_each_statement_worker
+ PARAMS ((void (*func) (lang_statement_union_type *),
+ lang_statement_union_type *s));
+static lang_input_statement_type *new_afile
+ PARAMS ((const char *name, lang_input_file_enum_type file_type,
+ const char *target, boolean add_to_list));
+static void print_flags PARAMS ((int *ignore_flags));
+static void init_os PARAMS ((lang_output_section_statement_type *s));
+static void wild_section PARAMS ((lang_wild_statement_type *ptr,
+ const char *section,
+ lang_input_statement_type *file,
+ lang_output_section_statement_type *output));
+static lang_input_statement_type *lookup_name PARAMS ((const char *name));
+static void load_symbols PARAMS ((lang_input_statement_type *entry,
+ lang_statement_list_type *));
+static void wild PARAMS ((lang_wild_statement_type *s,
+ const char *section, const char *file,
+ const char *target,
+ lang_output_section_statement_type *output));
+static bfd *open_output PARAMS ((const char *name));
+static void ldlang_open_output PARAMS ((lang_statement_union_type *statement));
+static void open_input_bfds
+ PARAMS ((lang_statement_union_type *statement, 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 *s,
+ const char *target,
+ lang_output_section_statement_type *output_section_statement));
+static void print_output_section_statement
+ PARAMS ((lang_output_section_statement_type *output_section_statement));
+static void print_assignment
+ PARAMS ((lang_assignment_statement_type *assignment,
+ lang_output_section_statement_type *output_section));
+static void print_input_statement PARAMS ((lang_input_statement_type *statm));
+static void print_input_section PARAMS ((lang_input_section_type *in));
+static void print_fill_statement PARAMS ((lang_fill_statement_type *fill));
+static void print_data_statement PARAMS ((lang_data_statement_type *data));
+static void print_reloc_statement PARAMS ((lang_reloc_statement_type *reloc));
+static void print_padding_statement PARAMS ((lang_padding_statement_type *s));
+static void print_wild_statement
+ PARAMS ((lang_wild_statement_type *w,
+ lang_output_section_statement_type *os));
+static void print_group
+ PARAMS ((lang_group_statement_type *, lang_output_section_statement_type *));
+static void print_statement PARAMS ((lang_statement_union_type *s,
+ lang_output_section_statement_type *os));
+static void print_statements PARAMS ((void));
+static bfd_vma insert_pad PARAMS ((lang_statement_union_type **this_ptr,
+ fill_type fill, unsigned int power,
+ asection *output_section_statement,
+ bfd_vma dot));
+static bfd_vma size_input_section
+ PARAMS ((lang_statement_union_type **this_ptr,
+ lang_output_section_statement_type *output_section_statement,
+ fill_type fill, bfd_vma dot, boolean relax));
+static void lang_finish PARAMS ((void));
+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 reset_memory_regions PARAMS ((void));
+
+/* EXPORTS */
+lang_output_section_statement_type *abs_output_section;
lang_statement_list_type *stat_ptr = &statement_list;
-lang_input_statement_type *script_file = 0;
-boolean option_longmap = false;
-lang_statement_list_type file_chain = {0};
-CONST char *entry_symbol = 0;
-bfd_size_type largest_section = 0;
+lang_statement_list_type file_chain = { 0 };
+static const char *entry_symbol = 0;
boolean lang_has_input_file = false;
-lang_output_section_statement_type *create_object_symbols = 0;
boolean had_output_filename = false;
boolean lang_float_flag = false;
-/* IMPORTS */
-extern char *default_target;
-
-extern unsigned int undefined_global_sym_count;
-extern char *current_file;
-extern bfd *output_bfd;
-extern enum bfd_architecture ldfile_output_architecture;
-extern unsigned long ldfile_output_machine;
-extern char *ldfile_output_machine_name;
-extern ldsym_type *symbol_head;
-extern unsigned int commons_pending;
-extern args_type command_line;
-extern ld_config_type config;
-extern boolean had_script;
-extern boolean write_map;
-
-
-#ifdef __STDC__
+boolean delete_output_file_on_failure = 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
#define outside_symbol_address(q) ((q)->value + outside_section_address(q->section))
-static void
-DEFUN(print_size,(value),
- size_t value)
+PTR
+stat_alloc (size)
+ size_t size;
{
- printf("%5x", (unsigned)value);
+ return obstack_alloc (&stat_obstack, size);
}
-static void
-DEFUN(print_alignment,(value),
- unsigned int value)
+
+static void
+print_size (value)
+ size_t value;
{
- printf("2**%1u",value);
+ fprintf (config.map_file, "%5x", (unsigned) value);
}
-static void
-DEFUN(print_fill,(value),
- fill_type value)
+
+static void
+print_alignment (value)
+ unsigned int value;
{
- printf("%04x",(unsigned)value);
+ fprintf (config.map_file, "2**%1u", value);
}
+static void
+print_fill (value)
+ fill_type value;
+{
+ fprintf (config.map_file, "%04x", (unsigned) value);
+}
-static void
-DEFUN(print_section,(name),
- CONST char *CONST name)
+static void
+print_section (name)
+ CONST char *name;
{
- printf("%*s", -longest_section_name, name);
+ fprintf (config.map_file, "%*s", -longest_section_name, name);
}
/*----------------------------------------------------------------------
function for each node
*/
-static void
-DEFUN(lang_for_each_statement_worker,(func, s),
- void (*func)() AND
- lang_statement_union_type *s)
+static void
+lang_for_each_statement_worker (func, s)
+ void (*func) PARAMS ((lang_statement_union_type *));
+ lang_statement_union_type *s;
{
- for (; s != (lang_statement_union_type *)NULL ; s = s->next)
- {
- func(s);
+ for (; s != (lang_statement_union_type *) NULL; s = s->next)
+ {
+ func (s);
- switch (s->header.type) {
+ switch (s->header.type)
+ {
+ case lang_constructors_statement_enum:
+ lang_for_each_statement_worker (func, constructor_list.head);
+ break;
case lang_output_section_statement_enum:
lang_for_each_statement_worker
- (func,
+ (func,
s->output_section_statement.children.head);
break;
case lang_wild_statement_enum:
lang_for_each_statement_worker
- (func,
+ (func,
s->wild_statement.children.head);
break;
+ case lang_group_statement_enum:
+ lang_for_each_statement_worker (func,
+ s->group_statement.children.head);
+ break;
case lang_data_statement_enum:
+ case lang_reloc_statement_enum:
case lang_object_symbols_statement_enum:
case lang_output_statement_enum:
case lang_target_statement_enum:
case lang_input_section_enum:
case lang_input_statement_enum:
- case lang_fill_statement_enum:
case lang_assignment_statement_enum:
case lang_padding_statement_enum:
case lang_address_statement_enum:
break;
default:
- FAIL();
+ FAIL ();
break;
}
- }
+ }
}
void
-DEFUN(lang_for_each_statement,(func),
- void (*func)())
+lang_for_each_statement (func)
+ void (*func) PARAMS ((lang_statement_union_type *));
{
- lang_for_each_statement_worker(func,
- statement_list.head);
+ lang_for_each_statement_worker (func,
+ statement_list.head);
}
+
/*----------------------------------------------------------------------*/
-static void
-DEFUN(lang_list_init,(list),
- lang_statement_list_type *list)
+void
+lang_list_init (list)
+ lang_statement_list_type *list;
{
-list->head = (lang_statement_union_type *)NULL;
-list->tail = &list->head;
+ list->head = (lang_statement_union_type *) NULL;
+ list->tail = &list->head;
}
-
/*----------------------------------------------------------------------
-
+
build a new statement node for the parse tree
*/
static
-lang_statement_union_type*
-DEFUN(new_statement,(type, size, list),
- enum statement_enum type AND
- bfd_size_type size AND
- lang_statement_list_type *list)
+lang_statement_union_type *
+new_statement (type, size, list)
+ enum statement_enum type;
+ size_t size;
+ lang_statement_list_type * list;
{
lang_statement_union_type *new = (lang_statement_union_type *)
- ldmalloc(size);
+ stat_alloc (size);
+
new->header.type = type;
- new->header.next = (lang_statement_union_type *)NULL;
- lang_statement_append(list, new, &new->header.next);
+ new->header.next = (lang_statement_union_type *) NULL;
+ lang_statement_append (list, new, &new->header.next);
return new;
}
*/
static lang_input_statement_type *
-DEFUN(new_afile, (name, file_type, target),
- CONST char *CONST name AND
- CONST lang_input_file_enum_type file_type AND
- CONST char *CONST target)
+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;
{
- lang_input_statement_type *p = new_stat(lang_input_statement,
- stat_ptr);
+ lang_input_statement_type *p;
+
+ if (add_to_list)
+ p = new_stat (lang_input_statement, stat_ptr);
+ else
+ {
+ p = ((lang_input_statement_type *)
+ stat_alloc (sizeof (lang_input_statement_type)));
+ p->header.next = NULL;
+ }
+
lang_has_input_file = true;
p->target = target;
- switch (file_type) {
- case lang_input_file_is_symbols_only_enum:
- p->filename = name;
- p->is_archive =false;
- p->real = true;
- p->local_sym_name= name;
- 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->local_sym_name= name;
- p->just_syms_flag = false;
- p->search_dirs_flag =false;
- break;
- case lang_input_file_is_l_enum:
- p->is_archive = true;
- p->filename = name;
- p->real = true;
- p->local_sym_name = concat("-l",name,"");
- p->just_syms_flag = false;
- p->search_dirs_flag = true;
- break;
- case lang_input_file_is_search_file_enum:
- case lang_input_file_is_marker_enum:
- p->filename = name;
- p->is_archive =false;
- p->real = true;
- p->local_sym_name= name;
- 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->local_sym_name= name;
- p->just_syms_flag = false;
- p->search_dirs_flag =false;
- break;
- default:
- FAIL();
- }
- p->asymbols = (asymbol **)NULL;
- p->superfile = (lang_input_statement_type *)NULL;
- p->next_real_file = (lang_statement_union_type*)NULL;
- p->next = (lang_statement_union_type*)NULL;
+ p->complained = false;
+ switch (file_type)
+ {
+ case lang_input_file_is_symbols_only_enum:
+ p->filename = name;
+ p->is_archive = false;
+ p->real = true;
+ p->local_sym_name = name;
+ 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->local_sym_name = name;
+ p->just_syms_flag = false;
+ p->search_dirs_flag = false;
+ break;
+ case lang_input_file_is_l_enum:
+ 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;
+ break;
+ case lang_input_file_is_marker_enum:
+ p->filename = name;
+ p->is_archive = false;
+ p->real = false;
+ p->local_sym_name = name;
+ p->just_syms_flag = false;
+ p->search_dirs_flag = true;
+ break;
+ case lang_input_file_is_search_file_enum:
+ p->filename = name;
+ p->is_archive = false;
+ p->real = true;
+ p->local_sym_name = name;
+ 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->local_sym_name = name;
+ 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->symbol_count = 0;
- p->common_output_section = (asection *)NULL;
- lang_statement_append(&input_file_chain,
- (lang_statement_union_type *)p,
- &p->next_real_file);
+ p->common_output_section = (asection *) NULL;
+ p->loaded = false;
+ lang_statement_append (&input_file_chain,
+ (lang_statement_union_type *) p,
+ &p->next_real_file);
return p;
}
-
-
lang_input_statement_type *
-DEFUN(lang_add_input_file,(name, file_type, target),
- char *name AND
- lang_input_file_enum_type file_type AND
- char *target)
+lang_add_input_file (name, file_type, target)
+ CONST char *name;
+ lang_input_file_enum_type file_type;
+ CONST char *target;
{
- /* Look it up or build a new one */
lang_has_input_file = true;
-#if 0
- lang_input_statement_type *p;
-
- for (p = (lang_input_statement_type *)input_file_chain.head;
- p != (lang_input_statement_type *)NULL;
- p = (lang_input_statement_type *)(p->next_real_file))
- {
- /* Sometimes we have incomplete entries in here */
- if (p->filename != (char *)NULL) {
- if(strcmp(name,p->filename) == 0) return p;
- }
-
- }
-#endif
- return new_afile(name, file_type, target);
+ return new_afile (name, file_type, target, true);
}
-
/* Build enough state so that the parser can build its tree */
void
-DEFUN_VOID(lang_init)
+lang_init ()
{
+ obstack_begin (&stat_obstack, 1000);
- stat_ptr= &statement_list;
- lang_list_init(stat_ptr);
+ stat_ptr = &statement_list;
- 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);
-}
+ lang_list_init (stat_ptr);
+ 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);
+ abs_output_section = lang_output_section_statement_lookup (BFD_ABS_SECTION_NAME);
+
+ abs_output_section->bfd_section = bfd_abs_section_ptr;
+
+}
/*----------------------------------------------------------------------
- A region is an area of memory declared with the
- MEMORY { name:org=exp, len=exp ... }
- syntax.
+ A region is an area of memory declared with the
+ MEMORY { name:org=exp, len=exp ... }
+ syntax.
We maintain a list of all the regions here
static lang_memory_region_type **lang_memory_region_list_tail = &lang_memory_region_list;
lang_memory_region_type *
-DEFUN(lang_memory_region_lookup,(name),
- CONST char *CONST name)
+lang_memory_region_lookup (name)
+ CONST char *CONST name;
{
- lang_memory_region_type *p = lang_memory_region_list;
+ lang_memory_region_type *p = lang_memory_region_list;
+
for (p = lang_memory_region_list;
- p != ( lang_memory_region_type *)NULL;
- p = p->next) {
- if (strcmp(p->name, name) == 0) {
- return p;
- }
- }
- if (strcmp(name,"*default*")==0) {
- /* This is the default region, dig out first one on the list */
- if (lang_memory_region_list != (lang_memory_region_type*)NULL){
- return lang_memory_region_list;
+ p != (lang_memory_region_type *) NULL;
+ p = p->next)
+ {
+ if (strcmp (p->name, name) == 0)
+ {
+ return p;
+ }
}
- }
+ if (strcmp (name, "*default*") == 0)
{
- lang_memory_region_type *new =
- (lang_memory_region_type *)ldmalloc((bfd_size_type)(sizeof(lang_memory_region_type)));
- new->name = buystring(name);
- new->next = (lang_memory_region_type *)NULL;
-
- *lang_memory_region_list_tail = new;
- lang_memory_region_list_tail = &new->next;
- new->origin = 0;
- new->length = ~0;
- new->current = 0;
- return new;
+ /* This is the default region, dig out first one on the list */
+ if (lang_memory_region_list != (lang_memory_region_type *) NULL)
+ {
+ return lang_memory_region_list;
+ }
}
+ {
+ lang_memory_region_type *new =
+ (lang_memory_region_type *) stat_alloc ((bfd_size_type) (sizeof (lang_memory_region_type)));
+
+ new->name = buystring (name);
+ new->next = (lang_memory_region_type *) NULL;
+
+ *lang_memory_region_list_tail = new;
+ lang_memory_region_list_tail = &new->next;
+ new->origin = 0;
+ new->length = ~(bfd_size_type)0;
+ new->current = 0;
+ new->had_full_message = false;
+
+ return new;
+ }
}
lang_output_section_statement_type *
-DEFUN(lang_output_section_find,(name),
- CONST char * CONST name)
+lang_output_section_find (name)
+ 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 != (lang_statement_union_type *) NULL;
u = lookup->next)
- {
- lookup = &u->output_section_statement;
- if (strcmp(name, lookup->name)==0) {
+ {
+ lookup = &u->output_section_statement;
+ if (strcmp (name, lookup->name) == 0)
+ {
return lookup;
}
- }
- return (lang_output_section_statement_type *)NULL;
+ }
+ return (lang_output_section_statement_type *) NULL;
}
lang_output_section_statement_type *
-DEFUN(lang_output_section_statement_lookup,(name),
- CONST char * CONST name)
+lang_output_section_statement_lookup (name)
+ CONST char *CONST name;
{
lang_output_section_statement_type *lookup;
- lookup =lang_output_section_find(name);
- if (lookup == (lang_output_section_statement_type *)NULL) {
-
- lookup =(lang_output_section_statement_type *)
- new_stat(lang_output_section_statement, stat_ptr);
- lookup->region = (lang_memory_region_type *)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->addr_tree = (etree_type *)NULL;
- lang_list_init(&lookup->children);
-
- lang_statement_append(&lang_output_section_statement,
- (lang_statement_union_type *)lookup,
- &lookup->next);
- }
- return lookup;
-}
-
-
+ lookup = lang_output_section_find (name);
+ if (lookup == (lang_output_section_statement_type *) NULL)
+ {
+ lookup = (lang_output_section_statement_type *)
+ new_stat (lang_output_section_statement, stat_ptr);
+ lookup->region = (lang_memory_region_type *) 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->loadable = 1;
+ lookup->addr_tree = (etree_type *) NULL;
+ lang_list_init (&lookup->children);
+
+ lookup->memspec = (CONST char *) NULL;
+ lookup->flags = 0;
+ lookup->subsection_alignment = -1;
+ lookup->section_alignment = -1;
+ lookup->load_base = (union etree_union *) NULL;
+
+ lang_statement_append (&lang_output_section_statement,
+ (lang_statement_union_type *) lookup,
+ &lookup->next);
+ }
+ return lookup;
+}
+/*ARGSUSED*/
static void
-DEFUN(print_flags, (outfile, ignore_flags),
- FILE *outfile AND
- int *ignore_flags)
+print_flags (ignore_flags)
+ int *ignore_flags;
{
- fprintf(outfile,"(");
+ fprintf (config.map_file, "(");
#if 0
- if (flags->flag_read) fprintf(outfile,"R");
- if (flags->flag_write) fprintf(outfile,"W");
- if (flags->flag_executable) fprintf(outfile,"X");
- if (flags->flag_loadable) fprintf(outfile,"L");
+ if (flags->flag_read)
+ fprintf (outfile, "R");
+ if (flags->flag_write)
+ fprintf (outfile, "W");
+ if (flags->flag_executable)
+ fprintf (outfile, "X");
+ if (flags->flag_loadable)
+ fprintf (outfile, "L");
#endif
- fprintf(outfile,")");
+ fprintf (config.map_file, ")");
}
void
-DEFUN(lang_map,(outfile),
- FILE *outfile)
+lang_map ()
{
lang_memory_region_type *m;
- fprintf(outfile,"**MEMORY CONFIGURATION**\n\n");
+
+ fprintf (config.map_file, "**MEMORY CONFIGURATION**\n\n");
#ifdef HOST_64_BIT
- fprintf(outfile,"name\t\torigin\t\tlength\t\tattributes\n");
+ fprintf (config.map_file, "name\t\torigin\t\tlength\t\tattributes\n");
#else
- fprintf(outfile,"name\t\torigin length\t\tattributes\n");
+ fprintf (config.map_file,
+ "name\t\torigin length r_size c_size is attributes\n");
+
#endif
for (m = lang_memory_region_list;
- m != (lang_memory_region_type *)NULL;
- m = m->next)
+ m != (lang_memory_region_type *) NULL;
+ m = m->next)
{
- fprintf(outfile,"%-16s", m->name);
- print_address(m->origin);
+ fprintf (config.map_file, "%-16s", m->name);
+ print_address (m->origin);
+ print_space ();
+ print_address ((bfd_vma)m->length);
+ print_space ();
+ print_address ((bfd_vma)m->old_length);
print_space();
- print_address(m->length);
+ print_address (m->current - m->origin);
print_space();
- print_flags(outfile, &m->flags);
- fprintf(outfile,"\n");
+ if (m->old_length)
+ fprintf (config.map_file, " %2d%% ",
+ (int) ((m->current - m->origin) * 100 / m->old_length));
+ print_flags (&m->flags);
+ fprintf (config.map_file, "\n");
}
- fprintf(outfile,"\n\n**LINK EDITOR MEMORY MAP**\n\n");
- fprintf(outfile,"output input virtual\n");
- fprintf(outfile,"section section address tsize\n\n");
+ fprintf (config.map_file, "\n\n**LINK EDITOR MEMORY MAP**\n\n");
+ fprintf (config.map_file, "output input virtual\n");
+ fprintf (config.map_file, "section section address tsize\n\n");
- print_statements();
+ print_statements ();
}
/*
*
*/
-static void
-DEFUN(init_os,(s),
- lang_output_section_statement_type *s)
+static void
+init_os (s)
+ lang_output_section_statement_type * s;
{
+/* asection *section = bfd_get_section_by_name(output_bfd, s->name);*/
section_userdata_type *new =
- (section_userdata_type *)
- ldmalloc((bfd_size_type)(sizeof(section_userdata_type)));
-
- s->bfd_section = bfd_make_section(output_bfd, s->name);
- if (s->bfd_section == (asection *)NULL) {
- info("%P%F output format %s cannot represent section called %s\n",
- output_bfd->xvec->name,
- s->name);
- }
+ (section_userdata_type *)
+ stat_alloc ((bfd_size_type) (sizeof (section_userdata_type)));
+
+ s->bfd_section = bfd_get_section_by_name (output_bfd, s->name);
+ if (s->bfd_section == (asection *) NULL)
+ s->bfd_section = bfd_make_section (output_bfd, s->name);
+ if (s->bfd_section == (asection *) NULL)
+ {
+ einfo ("%P%F: output format %s cannot represent section called %s\n",
+ output_bfd->xvec->name, s->name);
+ }
s->bfd_section->output_section = s->bfd_section;
-/* s->bfd_section->flags = s->flags;*/
+/* s->bfd_section->flags = s->flags;*/
/* 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) = (PTR) new;
+
}
/***********************************************************************
each part of the expanstion, and placed after the statement provided.
*/
-
-static void
-DEFUN(wild_doit,(ptr, section, output, file),
- lang_statement_list_type *ptr AND
- asection *section AND
- lang_output_section_statement_type *output AND
- lang_input_statement_type *file)
-{
- if(output->bfd_section == (asection *)NULL)
- {
- init_os(output);
- }
- if (section != (asection *)NULL
- && section->output_section == (asection *)NULL) {
+void
+wild_doit (ptr, section, output, file)
+ lang_statement_list_type * ptr;
+ asection * section;
+ lang_output_section_statement_type * output;
+ lang_input_statement_type * file;
+{
+ if (output->bfd_section == (asection *) NULL)
+ init_os (output);
+
+ if (section != (asection *) NULL
+ && section->output_section == (asection *) NULL)
+ {
/* Add a section reference to the list */
- lang_input_section_type *new = new_stat(lang_input_section, ptr);
+ lang_input_section_type *new = new_stat (lang_input_section, ptr);
new->section = section;
new->ifile = file;
section->output_section = output->bfd_section;
- section->output_section->flags |= section->flags;
- if (section->alignment_power > output->bfd_section->alignment_power) {
- output->bfd_section->alignment_power = section->alignment_power;
- }
- }
-}
-static asection *
-DEFUN(our_bfd_get_section_by_name,(abfd, section),
-bfd *abfd AND
-CONST char *section)
-{
- return bfd_get_section_by_name(abfd, section);
-}
+ /* We don't copy the SEC_NEVER_LOAD flag from an input section to
+ an output section, because we want to be able to include a
+ SEC_NEVER_LOAD section in the middle of an otherwise loaded
+ section (I don't know why we want to do this, but we do).
+ build_link_order in ldwrite.c handles this case by turning the
+ embedded SEC_NEVER_LOAD section into a fill. */
+ section->output_section->flags |=
+ section->flags & (flagword) (~ SEC_NEVER_LOAD);
-static void
-DEFUN(wild_section,(ptr, section, file , output),
- lang_wild_statement_type *ptr AND
- CONST char *section AND
- lang_input_statement_type *file AND
- lang_output_section_statement_type *output)
-{
- asection *s;
- if (file->just_syms_flag == false) {
- if (section == (char *)NULL) {
- /* Do the creation to all sections in the file */
- for (s = file->the_bfd->sections; s != (asection *)NULL; s=s->next) {
- wild_doit(&ptr->children, s, output, file);
- }
+ if (!output->loadable)
+ {
+ /* Turn off load flag */
+ output->bfd_section->flags &= ~SEC_LOAD;
+ output->bfd_section->flags |= SEC_NEVER_LOAD;
}
- else {
- /* Do the creation to the named section only */
- wild_doit(&ptr->children,
- our_bfd_get_section_by_name(file->the_bfd, section),
- output, file);
+ if (section->alignment_power > output->bfd_section->alignment_power)
+ {
+ output->bfd_section->alignment_power = section->alignment_power;
+ }
+ /* If supplied an aligmnet, then force it */
+ if (output->section_alignment != -1)
+ {
+ output->bfd_section->alignment_power = output->section_alignment;
}
}
}
+static void
+wild_section (ptr, section, file, output)
+ lang_wild_statement_type *ptr;
+ const char *section;
+ lang_input_statement_type *file;
+ lang_output_section_statement_type *output;
+{
+ if (file->just_syms_flag == false)
+ {
+ register asection *s;
+
+ for (s = file->the_bfd->sections; s != NULL; s = s->next)
+ {
+ /* Attach all sections named SECTION. If SECTION is NULL,
+ then attach all sections.
+
+ Previously, if SECTION was NULL, this code did not call
+ wild_doit if the SEC_IS_COMMON flag was set for the
+ section. I did not understand that, and I took it out.
+
+ if (section == NULL
+ || strcmp (bfd_get_section_name (file->the_bfd, s),
+ section) == 0)
+ wild_doit (&ptr->children, s, output, file);
+ }
+ }
+}
/* passed a file name (which must have been seen already and added to
the statement tree. We will see if it has been opened already and
Archives are pecuilar here. We may open them once, but if they do
not define anything we need at the time, they won't have all their
- symbols read. If we need them later, we'll have to redo it.
- */
-static
-lang_input_statement_type *
-DEFUN(lookup_name,(name),
- CONST char * CONST name)
+ symbols read. If we need them later, we'll have to redo it. */
+static lang_input_statement_type *
+lookup_name (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 = (lang_input_statement_type *)search->next_real_file)
- {
- if (search->filename == (char *)NULL && name == (char *)NULL) {
- return search;
- }
- if (search->filename != (char *)NULL && name != (char *)NULL) {
- if (strcmp(search->filename, name) == 0) {
- ldmain_open_file_read_symbol(search);
- return search;
- }
- }
- }
- /* There isn't an afile entry for this file yet, this must be
- because the name has only appeared inside a load script and not
- on the command line */
- search = new_afile(name, lang_input_file_is_file_enum, default_target);
- ldmain_open_file_read_symbol(search);
- return search;
+ for (search = (lang_input_statement_type *) input_file_chain.head;
+ search != (lang_input_statement_type *) NULL;
+ search = (lang_input_statement_type *) search->next_real_file)
+ {
+ if (search->filename == (char *) NULL && name == (char *) NULL)
+ return search;
+ if (search->filename != (char *) NULL
+ && name != (char *) NULL
+ && strcmp (search->filename, name) == 0)
+ break;
+ }
+
+ if (search == (lang_input_statement_type *) NULL)
+ search = new_afile (name, lang_input_file_is_file_enum, default_target,
+ 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)
+ return search;
+ load_symbols (search, (lang_statement_list_type *) NULL);
+
+ return search;
}
+/* Get the symbols for an input file. */
+
static void
-DEFUN(wild,(s, section, file, target, output),
- lang_wild_statement_type *s AND
- CONST char *CONST section AND
- CONST char *CONST file AND
- CONST char *CONST target AND
- lang_output_section_statement_type *output)
+load_symbols (entry, place)
+ lang_input_statement_type *entry;
+ lang_statement_list_type *place;
{
- lang_input_statement_type *f;
- if (file == (char *)NULL) {
- /* Perform the iteration over all files in the list */
- for (f = (lang_input_statement_type *)file_chain.head;
- f != (lang_input_statement_type *)NULL;
- f = (lang_input_statement_type *)f->next) {
- wild_section(s, section, f, output);
- }
- }
- else {
- /* Perform the iteration over a single file */
- wild_section( s, section, lookup_name(file), output);
- }
- if (section != (char *)NULL
- && strcmp(section,"COMMON") == 0
- && default_common_section == (lang_output_section_statement_type*)NULL)
- {
- /* Remember the section that common is going to incase we later
- get something which doesn't know where to put it */
- default_common_section = output;
- }
-}
+ char **matching;
-/*
- read in all the files
- */
-static bfd *
-DEFUN(open_output,(name),
- CONST char *CONST name)
-{
- extern CONST char *output_filename;
- bfd *output;
- if (output_target == (char *)NULL) {
- if (current_target != (char *)NULL)
- output_target = current_target;
- else
- output_target = default_target;
- }
- output = bfd_openw(name, output_target);
- output_filename = name;
+ if (entry->loaded)
+ return;
- if (output == (bfd *)NULL)
- {
- if (bfd_error == invalid_target) {
- info("%P%F target %s not found\n", output_target);
+ ldfile_open_file (entry);
+
+ if (! bfd_check_format (entry->the_bfd, bfd_archive)
+ && ! bfd_check_format_matches (entry->the_bfd, bfd_object, &matching))
+ {
+ bfd_error_type err;
+ lang_statement_list_type *hold;
+
+ err = bfd_get_error ();
+ if (err == bfd_error_file_ambiguously_recognized)
+ {
+ char **p;
+
+ einfo ("%B: file not recognized: %E\n", entry->the_bfd);
+ einfo ("%B: matching formats:", entry->the_bfd);
+ for (p = matching; *p != NULL; p++)
+ einfo (" %s", *p);
+ einfo ("%F\n");
}
- info("%P%F problem opening output file %s, %E", name);
- }
-
- output->flags |= D_PAGED;
- bfd_set_format(output, bfd_object);
- return output;
-}
+ else if (err != bfd_error_file_not_recognized
+ || place == NULL)
+ einfo ("%F%B: file not recognized: %E\n", entry->the_bfd);
+ /* Try to interpret the file as a linker script. */
+ bfd_close (entry->the_bfd);
+ entry->the_bfd = NULL;
+ ldfile_open_command_file (entry->filename);
-static void
-DEFUN(ldlang_open_output,(statement),
- lang_statement_union_type *statement)
-{
- switch (statement->header.type)
- {
- case lang_output_statement_enum:
- output_bfd = open_output(statement->output_statement.name);
- ldemul_set_output_arch();
- break;
+ hold = stat_ptr;
+ stat_ptr = place;
- case lang_target_statement_enum:
- current_target = statement->target_statement.target;
- break;
- default:
- break;
- }
-}
+ ldfile_assumed_script = true;
+ parser_input = input_script;
+ yyparse ();
+ ldfile_assumed_script = false;
-static void
-DEFUN(open_input_bfds,(statement),
- lang_statement_union_type *statement)
-{
- switch (statement->header.type)
- {
- case lang_target_statement_enum:
- current_target = statement->target_statement.target;
- break;
- case lang_wild_statement_enum:
- /* Maybe we should load the file's symbols */
- if (statement->wild_statement.filename)
- {
- (void) lookup_name(statement->wild_statement.filename);
- }
- break;
- case lang_input_statement_enum:
- if (statement->input_statement.real == true)
+ stat_ptr = hold;
+
+ return;
+ }
+
+ /* We don't call ldlang_add_file for an archive. Instead, the
+ add_symbols entry point will call ldlang_add_file, via the
+ add_archive_element callback, for each element of the archive
+ which is used. */
+ switch (bfd_get_format (entry->the_bfd))
+ {
+ default:
+ break;
+
+ case bfd_object:
+ ldlang_add_file (entry);
+ if (trace_files || trace_file_tries)
+ info_msg ("%I\n", entry);
+ break;
+
+ case bfd_archive:
+ if (whole_archive)
+ {
+ bfd *member = bfd_openr_next_archived_file (entry->the_bfd,
+ (bfd *) NULL);
+ while (member != NULL)
{
- statement->input_statement.target = current_target;
- lookup_name(statement->input_statement.filename);
+ if (! bfd_check_format (member, bfd_object))
+ einfo ("%F%B: object %B in archive is not object\n",
+ entry->the_bfd, member);
+ if (! ((*link_info.callbacks->add_archive_element)
+ (&link_info, member, "-whole-archive")))
+ abort ();
+ if (! bfd_link_add_symbols (member, &link_info))
+ einfo ("%F%B: could not read symbols: %E\n", member);
+ member = bfd_openr_next_archived_file (entry->the_bfd,
+ member);
}
- break;
- default:
- break;
- }
-}
-/* If there are [COMMONS] statements, put a wild one into the bss section */
-static void
-lang_reasonable_defaults()
-{
-#if 0
- lang_output_section_statement_lookup(".text");
- lang_output_section_statement_lookup(".data");
+ entry->loaded = true;
+
+ return;
+ }
+ }
- default_common_section =
- lang_output_section_statement_lookup(".bss");
+ if (! bfd_link_add_symbols (entry->the_bfd, &link_info))
+ einfo ("%F%B: could not read symbols: %E\n", entry->the_bfd);
+ entry->loaded = true;
+}
- if (placed_commons == false) {
- lang_wild_statement_type *new =
- new_stat(lang_wild_statement,
- &default_common_section->children);
- new->section_name = "COMMON";
- new->filename = (char *)NULL;
- lang_list_init(&new->children);
- }
-#endif
+static void
+wild (s, section, file, target, output)
+ lang_wild_statement_type * s;
+ CONST char *section;
+ CONST char *file;
+ CONST char *target;
+ lang_output_section_statement_type * output;
+{
+ lang_input_statement_type *f;
+ if (file == (char *) NULL)
+ {
+ /* Perform the iteration over all files in the list */
+ for (f = (lang_input_statement_type *) file_chain.head;
+ f != (lang_input_statement_type *) NULL;
+ f = (lang_input_statement_type *) f->next)
+ {
+ wild_section (s, section, f, output);
+ }
+ }
+ else
+ {
+ /* Perform the iteration over a single file */
+ wild_section (s, section, lookup_name (file), output);
+ }
+ if (section != (char *) NULL
+ && strcmp (section, "COMMON") == 0
+ && default_common_section == (lang_output_section_statement_type *) NULL)
+ {
+ /* Remember the section that common is going to incase we later
+ get something which doesn't know where to put it */
+ default_common_section = output;
+ }
}
/*
- 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 {
- struct ldlang_undef_chain_list_struct *next;
- char *name;
-} ldlang_undef_chain_list_type;
-
-static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head;
+ read in all the files
+ */
-void
-DEFUN(ldlang_add_undef,(name),
- CONST char *CONST name)
+static bfd *
+open_output (name)
+ CONST char *name;
{
- ldlang_undef_chain_list_type *new =
- (ldlang_undef_chain_list_type
- *)ldmalloc((bfd_size_type)(sizeof(ldlang_undef_chain_list_type)));
-
- new->next = ldlang_undef_chain_list_head;
- ldlang_undef_chain_list_head = new;
+ bfd *output;
- new->name = buystring(name);
-}
-/* Run through the list of undefineds created above and place them
- into the linker hash table as undefined symbols belonging to the
- script file.
-*/
-static void
-DEFUN_VOID(lang_place_undefineds)
-{
- ldlang_undef_chain_list_type *ptr = ldlang_undef_chain_list_head;
- while (ptr != (ldlang_undef_chain_list_type*)NULL) {
- ldsym_type *sy = ldsym_get(ptr->name);
- asymbol *def;
- asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **)));
- def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd);
- *def_ptr= def;
- def->name = ptr->name;
- def->flags = BSF_UNDEFINED;
- def->section = (asection *)NULL;
- Q_enter_global_ref(def_ptr);
- ptr = ptr->next;
- }
-}
+ if (output_target == (char *) NULL)
+ {
+ if (current_target != (char *) NULL)
+ output_target = current_target;
+ else
+ output_target = default_target;
+ }
+ output = bfd_openw (name, output_target);
+ if (output == (bfd *) 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 = 1;
-/* Copy important data from out internal form to the bfd way. Also
- create a section for the dummy file
- */
+ /* output->flags |= D_PAGED;*/
-static void
-DEFUN_VOID(lang_create_output_section_statements)
-{
- lang_statement_union_type*os;
- for (os = lang_output_section_statement.head;
- os != (lang_statement_union_type*)NULL;
- os = os->output_section_statement.next) {
- lang_output_section_statement_type *s =
- &os->output_section_statement;
- init_os(s);
- }
+ if (! bfd_set_format (output, bfd_object))
+ einfo ("%P%F:%s: can not make object file: %E\n", name);
+ if (! bfd_set_arch_mach (output,
+ ldfile_output_architecture,
+ ldfile_output_machine))
+ 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)
+ einfo ("%P%F: can not create link hash table: %E\n");
-static void
-DEFUN_VOID(lang_init_script_file)
-{
- script_file = lang_add_input_file("script file",
- lang_input_file_is_fake_enum,
- (char *)NULL);
- script_file->the_bfd = bfd_create("script file", output_bfd);
- script_file->symbol_count = 0;
- script_file->the_bfd->sections = output_bfd->sections;
+ bfd_set_gp_size (output, g_switch_value);
+ return output;
}
-/* Open input files and attatch to output sections */
static void
-DEFUN(map_input_to_output_sections,(s, target, output_section_statement),
- lang_statement_union_type *s AND
- CONST char *target AND
- lang_output_section_statement_type *output_section_statement)
+ldlang_open_output (statement)
+ lang_statement_union_type * statement;
{
- for (; s != (lang_statement_union_type *)NULL ; s = s->next)
+ switch (statement->header.type)
{
- switch (s->header.type) {
- case lang_wild_statement_enum:
- wild(&s->wild_statement, s->wild_statement.section_name,
- s->wild_statement.filename, target,
- output_section_statement);
-
- break;
+ case lang_output_statement_enum:
+ ASSERT (output_bfd == (bfd *) NULL);
+ output_bfd = open_output (statement->output_statement.name);
+ ldemul_set_output_arch ();
+ if (config.magic_demand_paged && !link_info.relocateable)
+ output_bfd->flags |= D_PAGED;
+ else
+ output_bfd->flags &= ~D_PAGED;
+ if (config.text_read_only)
+ output_bfd->flags |= WP_TEXT;
+ else
+ output_bfd->flags &= ~WP_TEXT;
+ if (config.traditional_format)
+ output_bfd->flags |= BFD_TRADITIONAL_FORMAT;
+ else
+ output_bfd->flags &= ~BFD_TRADITIONAL_FORMAT;
+ break;
- case lang_output_section_statement_enum:
- map_input_to_output_sections(s->output_section_statement.children.head,
- target,
- &s->output_section_statement);
- break;
- case lang_output_statement_enum:
- break;
- case lang_target_statement_enum:
- target = s->target_statement.target;
- break;
- case lang_fill_statement_enum:
- case lang_input_section_enum:
- case lang_object_symbols_statement_enum:
- case lang_data_statement_enum:
- case lang_assignment_statement_enum:
- case lang_padding_statement_enum:
- break;
- case lang_afile_asection_pair_statement_enum:
- FAIL();
- break;
- case lang_address_statement_enum:
- /* Mark the specified section with the supplied address */
+ case lang_target_statement_enum:
+ current_target = statement->target_statement.target;
+ break;
+ default:
+ break;
+ }
+}
+
+/* Open all the input files. */
+
+static void
+open_input_bfds (s, force)
+ lang_statement_union_type *s;
+ boolean force;
+{
+ for (; s != (lang_statement_union_type *) NULL; s = s->next)
+ {
+ switch (s->header.type)
{
- lang_output_section_statement_type *os =
- lang_output_section_statement_lookup
- (s->address_statement.section_name);
- os->addr_tree = s->address_statement.address;
- if (os->bfd_section == (asection *)NULL) {
- info("%P%F can't set the address of undefined section %s\n",
- s->address_statement.section_name);
+ case lang_constructors_statement_enum:
+ open_input_bfds (constructor_list.head, force);
+ break;
+ case lang_output_section_statement_enum:
+ open_input_bfds (s->output_section_statement.children.head, force);
+ break;
+ case lang_wild_statement_enum:
+ /* Maybe we should load the file's symbols */
+ if (s->wild_statement.filename)
+ (void) lookup_name (s->wild_statement.filename);
+ open_input_bfds (s->wild_statement.children.head, force);
+ break;
+ case lang_group_statement_enum:
+ {
+ struct bfd_link_hash_entry *undefs;
+
+ /* We must continually search the entries in the group
+ until no new symbols are added to the list of undefined
+ symbols. */
+
+ do
+ {
+ undefs = link_info.hash->undefs_tail;
+ open_input_bfds (s->group_statement.children.head, true);
+ }
+ while (undefs != link_info.hash->undefs_tail);
}
+ break;
+ case lang_target_statement_enum:
+ current_target = s->target_statement.target;
+ break;
+ case lang_input_statement_enum:
+ if (s->input_statement.real == true)
+ {
+ lang_statement_list_type add;
+
+ s->input_statement.target = current_target;
+
+ /* If we are being called from within a group, and this
+ is an archive which has already been searched, then
+ force it to be researched. */
+ if (force
+ && s->input_statement.loaded
+ && bfd_check_format (s->input_statement.the_bfd,
+ bfd_archive))
+ s->input_statement.loaded = false;
+
+ lang_list_init (&add);
+
+ load_symbols (&s->input_statement, &add);
+
+ if (add.head != NULL)
+ {
+ *add.tail = s->next;
+ s->next = add.head;
+ }
+ }
+ break;
+ default:
+ break;
}
- break;
- case lang_input_statement_enum:
- /* A standard input statement, has no wildcards */
- /* ldmain_open_file_read_symbol(&s->input_statement);*/
- break;
- }
}
}
+/* If there are [COMMONS] statements, put a wild one into the bss section */
+
+static void
+lang_reasonable_defaults ()
+{
+#if 0
+ lang_output_section_statement_lookup (".text");
+ lang_output_section_statement_lookup (".data");
+
+ default_common_section =
+ lang_output_section_statement_lookup (".bss");
+ if (placed_commons == false)
+ {
+ lang_wild_statement_type *new =
+ new_stat (lang_wild_statement,
+ &default_common_section->children);
+
+ new->section_name = "COMMON";
+ new->filename = (char *) 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;
+
+static ldlang_undef_chain_list_type *ldlang_undef_chain_list_head;
+
+void
+ldlang_add_undef (name)
+ CONST char *CONST name;
+{
+ ldlang_undef_chain_list_type *new =
+ (ldlang_undef_chain_list_type
+ *) stat_alloc ((bfd_size_type) (sizeof (ldlang_undef_chain_list_type)));
+
+ new->next = ldlang_undef_chain_list_head;
+ ldlang_undef_chain_list_head = new;
+
+ new->name = buystring (name);
+}
+
+/* Run through the list of undefineds created above and place them
+ into the linker hash table as undefined symbols belonging to the
+ script file.
+*/
+static void
+lang_place_undefineds ()
+{
+ 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");
+ 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);
+ }
+ }
+}
+
+/* Open input files and attatch 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;
+{
+ for (; s != (lang_statement_union_type *) NULL; s = s->next)
+ {
+ switch (s->header.type)
+ {
+
+
+ case lang_wild_statement_enum:
+ wild (&s->wild_statement, s->wild_statement.section_name,
+ s->wild_statement.filename, target,
+ output_section_statement);
+
+ break;
+ case lang_constructors_statement_enum:
+ map_input_to_output_sections (constructor_list.head,
+ target,
+ output_section_statement);
+ break;
+ case lang_output_section_statement_enum:
+ map_input_to_output_sections (s->output_section_statement.children.head,
+ target,
+ &s->output_section_statement);
+ break;
+ case lang_output_statement_enum:
+ break;
+ case lang_target_statement_enum:
+ target = s->target_statement.target;
+ break;
+ case lang_group_statement_enum:
+ map_input_to_output_sections (s->group_statement.children.head,
+ target,
+ output_section_statement);
+ break;
+ case lang_fill_statement_enum:
+ case lang_input_section_enum:
+ case lang_object_symbols_statement_enum:
+ case lang_data_statement_enum:
+ case lang_reloc_statement_enum:
+ case lang_assignment_statement_enum:
+ case lang_padding_statement_enum:
+ case lang_input_statement_enum:
+ if (output_section_statement != NULL
+ && output_section_statement->bfd_section == NULL)
+ init_os (output_section_statement);
+ break;
+ case lang_afile_asection_pair_statement_enum:
+ FAIL ();
+ break;
+ case lang_address_statement_enum:
+ /* Mark the specified section with the supplied address */
+ {
+ lang_output_section_statement_type *os =
+ lang_output_section_statement_lookup
+ (s->address_statement.section_name);
+ if (os->bfd_section == NULL)
+ init_os (os);
+ os->addr_tree = s->address_statement.address;
+ }
+ break;
+ }
+ }
+}
-static void
-DEFUN(print_output_section_statement,(output_section_statement),
- lang_output_section_statement_type *output_section_statement)
+static void
+print_output_section_statement (output_section_statement)
+ lang_output_section_statement_type * output_section_statement;
{
asection *section = output_section_statement->bfd_section;
- print_nl();
- print_section(output_section_statement->name);
- if (section) {
+ print_nl ();
+ print_section (output_section_statement->name);
+
+
+ if (section)
+ {
print_dot = section->vma;
- print_space();
- print_section("");
- print_space();
- print_address(section->vma);
- print_space();
- print_size(section->size);
- print_space();
- print_alignment(section->alignment_power);
- print_space();
+ print_space ();
+ print_section ("");
+ print_space ();
+ print_address (section->vma);
+ print_space ();
+ print_size (section->_raw_size);
+ print_space ();
+ print_size(section->_cooked_size);
+ print_space ();
+ print_alignment (section->alignment_power);
+ print_space ();
#if 0
- printf("%s flags", output_section_statement->region->name);
- print_flags(stdout, &output_section_statement->flags);
+ fprintf (config.map_file, "%s flags", output_section_statement->region->name);
+ print_flags (stdout, &output_section_statement->flags);
#endif
if (section->flags & SEC_LOAD)
- printf("load ");
+ fprintf (config.map_file, "load ");
if (section->flags & SEC_ALLOC)
- printf("alloc ");
+ fprintf (config.map_file, "alloc ");
if (section->flags & SEC_RELOC)
- printf("reloc ");
+ fprintf (config.map_file, "reloc ");
if (section->flags & SEC_HAS_CONTENTS)
- printf("contents ");
+ fprintf (config.map_file, "contents ");
}
- else {
- printf("No attached output section");
+ else
+ {
+ fprintf (config.map_file, " (no attached output section)");
}
- print_nl();
- print_statement(output_section_statement->children.head,
- output_section_statement);
+ print_nl ();
+ if (output_section_statement->load_base)
+ {
+ int b = exp_get_abs_int(output_section_statement->load_base,
+ 0, "output base", lang_final_phase_enum);
+ fprintf (config.map_file, "Output address %08x\n", b);
+ }
+ if (output_section_statement->section_alignment >= 0
+ || output_section_statement->subsection_alignment >= 0)
+ {
+ fprintf (config.map_file, "\t\t\t\t\tforced alignment ");
+ if (output_section_statement->section_alignment >= 0)
+ {
+ fprintf (config.map_file, "section 2**%d ",output_section_statement->section_alignment );
+ }
+ if ( output_section_statement->subsection_alignment >= 0)
+ {
+ fprintf (config.map_file, "subsection 2**%d ",output_section_statement->subsection_alignment );
+ }
+
+ print_nl ();
+ }
+ print_statement (output_section_statement->children.head,
+ output_section_statement);
}
-static void
-DEFUN(print_assignment,(assignment, output_section),
- lang_assignment_statement_type *assignment AND
- lang_output_section_statement_type *output_section)
+static void
+print_assignment (assignment, output_section)
+ lang_assignment_statement_type * assignment;
+ lang_output_section_statement_type * output_section;
{
etree_value_type result;
- print_section("");
- print_space();
- print_section("");
- print_space();
- print_address(print_dot);
- print_space();
- result = exp_fold_tree(assignment->exp->assign.src,
- output_section,
- lang_final_phase_enum,
- print_dot,
- &print_dot);
-
- if (result.valid) {
- print_address(result.value);
- }
- else
- {
- printf("*undefined*");
- }
- print_space();
- exp_print_tree(stdout, assignment->exp);
- printf("\n");
+
+ print_section ("");
+ print_space ();
+ print_section ("");
+ print_space ();
+ print_address (print_dot);
+ print_space ();
+ result = exp_fold_tree (assignment->exp->assign.src,
+ output_section,
+ lang_final_phase_enum,
+ print_dot,
+ &print_dot);
+
+ if (result.valid)
+ {
+ print_address (result.value);
+ }
+ else
+ {
+ fprintf (config.map_file, "*undefined*");
+ }
+ print_space ();
+ exp_print_tree (assignment->exp);
+
+ fprintf (config.map_file, "\n");
}
static void
-DEFUN(print_input_statement,(statm),
- lang_input_statement_type *statm)
+print_input_statement (statm)
+ lang_input_statement_type * statm;
{
- if (statm->filename != (char *)NULL) {
- printf("LOAD %s\n",statm->filename);
- }
+ if (statm->filename != (char *) NULL)
+ {
+ fprintf (config.map_file, "LOAD %s\n", statm->filename);
+ }
}
-static void
-DEFUN(print_symbol,(q),
- asymbol *q)
+/* Print all the defined symbols for the abfd provided by in the supplied
+ section.
+*/
+
+static boolean
+print_one_symbol (hash_entry, ptr)
+struct bfd_link_hash_entry *hash_entry;
+PTR ptr;
{
- print_section("");
- printf(" ");
- print_section("");
- printf(" ");
- print_address(outside_symbol_address(q));
- printf(" %s", q->name ? q->name : " ");
- print_nl();
+ asection * sec = (asection *)ptr;
+
+ if (hash_entry->type == bfd_link_hash_defined
+ || hash_entry->type == bfd_link_hash_defweak)
+ {
+ if (sec == hash_entry->u.def.section) {
+ print_section ("");
+ fprintf (config.map_file, " ");
+ print_section ("");
+ fprintf (config.map_file, " ");
+ print_address (hash_entry->u.def.value + outside_section_address (sec));
+ fprintf (config.map_file, " %s", hash_entry->root.string);
+ print_nl ();
+ }
+ }
+
+ return true;
}
-static void
-DEFUN(print_input_section,(in),
- lang_input_section_type *in)
+static void
+print_input_section (in)
+ lang_input_section_type * in;
{
asection *i = in->section;
+ bfd_size_type size = i->_cooked_size != 0 ? i->_cooked_size : i->_raw_size;
- if(i->size != 0) {
- print_section("");
- printf(" ");
- print_section(i->name);
- printf(" ");
- if (i->output_section) {
- print_address(i->output_section->vma + i->output_offset);
- printf(" ");
- print_size(i->size);
- printf(" ");
- print_alignment(i->alignment_power);
- printf(" ");
- if (in->ifile) {
-
- bfd *abfd = in->ifile->the_bfd;
- if (in->ifile->just_syms_flag == true) {
- printf("symbols only ");
- }
+ if (size != 0)
+ {
+ print_section ("");
+ fprintf (config.map_file, " ");
+ print_section (i->name);
+ fprintf (config.map_file, " ");
+ if (i->output_section)
+ {
+ print_address (i->output_section->vma + i->output_offset);
+ fprintf (config.map_file, " ");
+ print_size (i->_raw_size);
+ fprintf (config.map_file, " ");
+ print_size(i->_cooked_size);
+ fprintf (config.map_file, " ");
+ print_alignment (i->alignment_power);
+ fprintf (config.map_file, " ");
+ if (in->ifile)
+ {
- printf(" %s ",abfd->xvec->name);
- if(abfd->my_archive != (bfd *)NULL) {
- printf("[%s]%s", abfd->my_archive->filename,
- abfd->filename);
- }
- else {
- printf("%s", abfd->filename);
- }
- printf("(overhead %d bytes)", (int)bfd_alloc_size(abfd));
- print_nl();
+ bfd *abfd = in->ifile->the_bfd;
- /* Find all the symbols in this file defined in this section */
- {
- asymbol **p;
- for (p = in->ifile->asymbols; *p; p++) {
- asymbol *q = *p;
-
- if (bfd_get_section(q) == i && q->flags & BSF_GLOBAL) {
- print_symbol(q);
- }
+ if (in->ifile->just_syms_flag == true)
+ {
+ fprintf (config.map_file, "symbols only ");
+ }
+
+ fprintf (config.map_file, " %s ", abfd->xvec->name);
+ if (abfd->my_archive != (bfd *) NULL)
+ {
+ fprintf (config.map_file, "[%s]%s", abfd->my_archive->filename,
+ abfd->filename);
+ }
+ else
+ {
+ fprintf (config.map_file, "%s", abfd->filename);
+ }
+ fprintf (config.map_file, "(overhead %d bytes)", (int) bfd_alloc_size (abfd));
+ print_nl ();
+
+ /* Print all the symbols */
+ bfd_link_hash_traverse (link_info.hash, print_one_symbol, (PTR) i);
+ }
+ else
+ {
+ print_nl ();
}
- }
- }
- else {
- print_nl();
- }
- print_dot = outside_section_address(i) + i->size;
- }
- else {
- printf("No output section allocated\n");
+ print_dot = outside_section_address (i) + size;
+ }
+ else
+ {
+ fprintf (config.map_file, "No output section allocated\n");
+ }
}
- }
}
static void
-DEFUN(print_fill_statement,(fill),
- lang_fill_statement_type *fill)
+print_fill_statement (fill)
+ lang_fill_statement_type * fill;
{
- printf("FILL mask ");
- print_fill( fill->fill);
+ fprintf (config.map_file, "FILL mask ");
+ print_fill (fill->fill);
}
static void
-DEFUN(print_data_statement,(data),
- lang_data_statement_type *data)
+print_data_statement (data)
+ lang_data_statement_type * data;
{
/* bfd_vma value; */
- print_section("");
- print_space();
- print_section("");
- print_space();
+ print_section ("");
+ print_space ();
+ print_section ("");
+ print_space ();
/* ASSERT(print_dot == data->output_vma);*/
- print_address(data->output_vma);
- print_space();
- print_address(data->value);
- print_space();
- switch (data->type) {
- case BYTE :
- printf("BYTE ");
- print_dot += BYTE_SIZE;
- break;
- case SHORT:
- printf("SHORT ");
- print_dot += SHORT_SIZE;
- break;
- case LONG:
- printf("LONG ");
- print_dot += LONG_SIZE;
- break;
- }
+ print_address (data->output_vma + data->output_section->vma);
+ print_space ();
+ print_address (data->value);
+ print_space ();
+ switch (data->type)
+ {
+ case BYTE:
+ fprintf (config.map_file, "BYTE ");
+ print_dot += BYTE_SIZE;
+ break;
+ case SHORT:
+ fprintf (config.map_file, "SHORT ");
+ print_dot += SHORT_SIZE;
+ break;
+ case LONG:
+ fprintf (config.map_file, "LONG ");
+ print_dot += LONG_SIZE;
+ break;
+ case QUAD:
+ fprintf (config.map_file, "QUAD ");
+ print_dot += QUAD_SIZE;
+ break;
+ }
- exp_print_tree(stdout, data->exp);
-
- printf("\n");
+ exp_print_tree (data->exp);
+
+ fprintf (config.map_file, "\n");
}
+/* Print a reloc statement. */
static void
-DEFUN(print_padding_statement,(s),
- lang_padding_statement_type *s)
-{
- print_section("");
- print_space();
- print_section("*fill*");
- print_space();
- print_address(s->output_offset + s->output_section->vma);
- print_space();
- print_size(s->size);
- print_space();
- print_fill(s->fill);
- print_nl();
-}
-
-static void
-DEFUN(print_wild_statement,(w,os),
- lang_wild_statement_type *w AND
- lang_output_section_statement_type *os)
-{
- printf(" from ");
- if (w->filename != (char *)NULL) {
- printf("%s",w->filename);
- }
- else {
- printf("*");
- }
- if (w->section_name != (char *)NULL) {
- printf("(%s)",w->section_name);
- }
- else {
- printf("(*)");
- }
- print_nl();
- print_statement(w->children.head, os);
+print_reloc_statement (reloc)
+ lang_reloc_statement_type *reloc;
+{
+ print_section ("");
+ print_space ();
+ print_section ("");
+ print_space ();
+
+/* ASSERT(print_dot == data->output_vma);*/
+
+ print_address (reloc->output_vma + reloc->output_section->vma);
+ print_space ();
+ print_address (reloc->addend_value);
+ print_space ();
+
+ fprintf (config.map_file, "RELOC %s ", reloc->howto->name);
+
+ print_dot += bfd_get_reloc_size (reloc->howto);
+
+ exp_print_tree (reloc->addend_exp);
+
+ fprintf (config.map_file, "\n");
+}
+
+static void
+print_padding_statement (s)
+ lang_padding_statement_type * s;
+{
+ print_section ("");
+ print_space ();
+ print_section ("*fill*");
+ print_space ();
+ print_address (s->output_offset + s->output_section->vma);
+ print_space ();
+ print_size (s->size);
+ print_space ();
+ print_fill (s->fill);
+ print_nl ();
+
+ print_dot = s->output_offset + s->output_section->vma + s->size;
}
+
static void
-DEFUN(print_statement,(s, os),
- lang_statement_union_type *s AND
- lang_output_section_statement_type *os)
-{
- while (s) {
- switch (s->header.type) {
- case lang_wild_statement_enum:
- print_wild_statement(&s->wild_statement, os);
- break;
- default:
- printf("Fail with %d\n",s->header.type);
- FAIL();
- break;
- case lang_address_statement_enum:
- printf("address\n");
- break;
- break;
- case lang_object_symbols_statement_enum:
- printf("object symbols\n");
- break;
- case lang_fill_statement_enum:
- print_fill_statement(&s->fill_statement);
- break;
- case lang_data_statement_enum:
- print_data_statement(&s->data_statement);
- break;
- case lang_input_section_enum:
- print_input_section(&s->input_section);
- break;
- case lang_padding_statement_enum:
- print_padding_statement(&s->padding_statement);
- break;
- case lang_output_section_statement_enum:
- print_output_section_statement(&s->output_section_statement);
- break;
- case lang_assignment_statement_enum:
- print_assignment(&s->assignment_statement,
- os);
- break;
+print_wild_statement (w, os)
+ lang_wild_statement_type * w;
+ lang_output_section_statement_type * os;
+{
+ fprintf (config.map_file, " from ");
+ if (w->filename != (char *) NULL)
+ {
+ fprintf (config.map_file, "%s", w->filename);
+ }
+ else
+ {
+ fprintf (config.map_file, "*");
+ }
+ if (w->section_name != (char *) NULL)
+ {
+ fprintf (config.map_file, "(%s)", w->section_name);
+ }
+ else
+ {
+ fprintf (config.map_file, "(*)");
+ }
+ print_nl ();
+ print_statement (w->children.head, os);
+}
- case lang_target_statement_enum:
- printf("TARGET(%s)\n", s->target_statement.target);
- break;
- case lang_output_statement_enum:
- printf("OUTPUT(%s %s)\n",
- s->output_statement.name,
- output_target);
- break;
- case lang_input_statement_enum:
- print_input_statement(&s->input_statement);
- break;
- case lang_afile_asection_pair_statement_enum:
- FAIL();
- break;
+/* Print a group statement. */
+
+static void
+print_group (s, os)
+ lang_group_statement_type *s;
+ lang_output_section_statement_type *os;
+{
+ fprintf (config.map_file, "START GROUP\n");
+ print_statement (s->children.head, os);
+ fprintf (config.map_file, "END GROUP\n");
+}
+
+static void
+print_statement (s, os)
+ lang_statement_union_type * s;
+ lang_output_section_statement_type * os;
+{
+ while (s)
+ {
+ switch (s->header.type)
+ {
+ case lang_constructors_statement_enum:
+ fprintf (config.map_file, "constructors:\n");
+ print_statement (constructor_list.head, os);
+ break;
+ case lang_wild_statement_enum:
+ print_wild_statement (&s->wild_statement, os);
+ break;
+ default:
+ fprintf (config.map_file, "Fail with %d\n", s->header.type);
+ FAIL ();
+ break;
+ case lang_address_statement_enum:
+ fprintf (config.map_file, "address\n");
+ break;
+ case lang_object_symbols_statement_enum:
+ fprintf (config.map_file, "object symbols\n");
+ break;
+ case lang_fill_statement_enum:
+ print_fill_statement (&s->fill_statement);
+ break;
+ case lang_data_statement_enum:
+ print_data_statement (&s->data_statement);
+ break;
+ case lang_reloc_statement_enum:
+ print_reloc_statement (&s->reloc_statement);
+ break;
+ case lang_input_section_enum:
+ print_input_section (&s->input_section);
+ break;
+ case lang_padding_statement_enum:
+ print_padding_statement (&s->padding_statement);
+ break;
+ case lang_output_section_statement_enum:
+ print_output_section_statement (&s->output_section_statement);
+ break;
+ case lang_assignment_statement_enum:
+ print_assignment (&s->assignment_statement,
+ os);
+ break;
+ case lang_target_statement_enum:
+ fprintf (config.map_file, "TARGET(%s)\n", s->target_statement.target);
+ break;
+ case lang_output_statement_enum:
+ fprintf (config.map_file, "OUTPUT(%s %s)\n",
+ s->output_statement.name,
+ output_target ? output_target : "");
+ break;
+ case lang_input_statement_enum:
+ print_input_statement (&s->input_statement);
+ break;
+ case lang_group_statement_enum:
+ print_group (&s->group_statement, os);
+ break;
+ case lang_afile_asection_pair_statement_enum:
+ FAIL ();
+ break;
+ }
+ s = s->next;
}
- s = s->next;
- }
}
static void
-DEFUN_VOID(print_statements)
+print_statements ()
{
- print_statement(statement_list.head,
- (lang_output_section_statement_type *)NULL);
+ print_statement (statement_list.head,
+ abs_output_section);
+
}
static bfd_vma
-DEFUN(insert_pad,(this_ptr, fill, power, output_section_statement, dot),
- lang_statement_union_type **this_ptr AND
- fill_type fill AND
- unsigned int power AND
- asection * output_section_statement AND
- bfd_vma dot)
-{
- /* Align this section first to the
+insert_pad (this_ptr, fill, power, output_section_statement, dot)
+ lang_statement_union_type ** this_ptr;
+ fill_type fill;
+ unsigned int power;
+ asection * output_section_statement;
+ bfd_vma dot;
+{
+ /* Align this section first to the
input sections requirement, then
to the output section's requirement.
- If this alignment is > than any seen before,
+ If this alignment is > than any seen before,
then record it too. Perform the alignment by
inserting a magic 'padding' statement.
*/
- unsigned int alignment_needed = align_power(dot, power) - dot;
+ unsigned int alignment_needed = align_power (dot, power) - dot;
- if (alignment_needed != 0)
+ if (alignment_needed != 0)
{
- lang_statement_union_type *new =
- (lang_statement_union_type *)
- ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type)));
+ lang_statement_union_type *new =
+ (lang_statement_union_type *)
+ stat_alloc ((bfd_size_type) (sizeof (lang_padding_statement_type)));
+
/* Link into existing chain */
new->header.next = *this_ptr;
*this_ptr = new;
/* Remember the most restrictive alignment */
- if (power > output_section_statement->alignment_power) {
- output_section_statement->alignment_power = power;
- }
- output_section_statement->size += alignment_needed;
+ if (power > output_section_statement->alignment_power)
+ {
+ output_section_statement->alignment_power = power;
+ }
+ output_section_statement->_raw_size += alignment_needed;
return alignment_needed + dot;
}
/* Work out how much this section will move the dot point */
-static bfd_vma
-DEFUN(size_input_section, (this_ptr, output_section_statement, fill, dot),
- lang_statement_union_type **this_ptr AND
- lang_output_section_statement_type*output_section_statement AND
- unsigned short fill AND
- bfd_vma dot)
+static bfd_vma
+size_input_section (this_ptr, output_section_statement, fill, dot, relax)
+ lang_statement_union_type ** this_ptr;
+ lang_output_section_statement_type * output_section_statement;
+ fill_type fill;
+ bfd_vma dot;
+ boolean relax;
{
lang_input_section_type *is = &((*this_ptr)->input_section);
asection *i = is->section;
-
- if (is->ifile->just_syms_flag == false) {
- dot = insert_pad(this_ptr, fill, i->alignment_power,
- output_section_statement->bfd_section, dot);
- /* remember the largest size so we can malloc the largest area
- needed for the output stage. Only remember the size of sections
- which we will actually allocate */
- if (((i->flags &
- (SEC_HAS_CONTENTS | SEC_LOAD)) == (SEC_HAS_CONTENTS | SEC_LOAD))
- && (i->size > largest_section)) {
- largest_section = i->size;
- }
+ if (is->ifile->just_syms_flag == false)
+ {
+ if (output_section_statement->subsection_alignment != -1)
+ i->alignment_power =
+ output_section_statement->subsection_alignment;
- /* Remember where in the output section this input section goes */
+ dot = insert_pad (this_ptr, fill, i->alignment_power,
+ output_section_statement->bfd_section, dot);
- i->output_offset = dot - output_section_statement->bfd_section->vma;
+ /* Remember where in the output section this input section goes */
- /* Mark how big the output section must be to contain this now */
- dot += i->size;
- output_section_statement->bfd_section->size =
- dot - output_section_statement->bfd_section->vma;
- }
+ i->output_offset = dot - output_section_statement->bfd_section->vma;
+
+ /* Mark how big the output section must be to contain this now
+ */
+ if (i->_cooked_size != 0)
+ dot += i->_cooked_size;
+ else
+ dot += i->_raw_size;
+ output_section_statement->bfd_section->_raw_size = dot - output_section_statement->bfd_section->vma;
+ }
else
- {
- i->output_offset = i->vma - output_section_statement->bfd_section->vma;
- }
+ {
+ i->output_offset = i->vma - output_section_statement->bfd_section->vma;
+ }
- return dot ;
+ return dot;
}
+/* This variable indicates whether bfd_relax_section should be called
+ again. */
-/* Work out the size of the output sections
- from the sizes of the input sections */
-static bfd_vma
-DEFUN(lang_size_sections,(s, output_section_statement, prev, fill, dot),
- lang_statement_union_type *s AND
- lang_output_section_statement_type * output_section_statement AND
- lang_statement_union_type **prev AND
- unsigned short fill AND
- bfd_vma dot)
+static boolean relax_again;
+
+/* Set the sizes for all the output sections. */
+
+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;
{
/* Size up the sections from their constituent parts */
- for (; s != (lang_statement_union_type *)NULL ; s = s->next)
- {
- switch (s->header.type) {
- case lang_output_section_statement_enum:
- {
- bfd_vma after;
- lang_output_section_statement_type *os =
- &(s->output_section_statement);
- /* The start of a section */
-
- if (os->addr_tree == (etree_type *)NULL) {
- /* No address specified for this section, get one
- from the region specification
- */
- if (os->region == (lang_memory_region_type *)NULL) {
- os->region = lang_memory_region_lookup("*default*");
- }
- dot = os->region->current;
- }
- else {
- etree_value_type r ;
- r = exp_fold_tree(os->addr_tree,
- (lang_output_section_statement_type *)NULL,
- lang_allocating_phase_enum,
- dot, &dot);
- if (r.valid == false) {
- info("%F%S: non constant address expression for section %s\n",
- os->name);
- }
- dot = r.value;
- }
- /* The section starts here */
- /* First, align to what the section needs */
+ for (; s != (lang_statement_union_type *) NULL; s = s->next)
+ {
+ switch (s->header.type)
+ {
+
+ case lang_output_section_statement_enum:
+ {
+ bfd_vma after;
+ lang_output_section_statement_type *os = &s->output_section_statement;
+
+ if (os->bfd_section == NULL)
+ {
+ /* This section was never actually created. */
+ break;
+ }
+
+ /* If this is a COFF shared library section, use the size and
+ address from the input section. FIXME: This is COFF
+ specific; it would be cleaner if there were some other way
+ to do this, but nothing simple comes to mind. */
+ if ((os->bfd_section->flags & SEC_COFF_SHARED_LIBRARY) != 0)
+ {
+ asection *input;
+
+ if (os->children.head == NULL
+ || os->children.head->next != NULL
+ || os->children.head->header.type != lang_input_section_enum)
+ einfo ("%P%X: Internal error on COFF shared library section %s",
+ os->name);
+
+ input = os->children.head->input_section.section;
+ bfd_set_section_vma (os->bfd_section->owner,
+ os->bfd_section,
+ bfd_section_vma (input->owner, input));
+ os->bfd_section->_raw_size = input->_raw_size;
+ break;
+ }
+
+ if (bfd_is_abs_section (os->bfd_section))
+ {
+ /* No matter what happens, an abs section starts at zero */
+ ASSERT (os->bfd_section->vma == 0);
+ }
+ else
+ {
+ if (os->addr_tree == (etree_type *) NULL)
+ {
+ /* No address specified for this section, get one
+ from the region specification
+ */
+ if (os->region == (lang_memory_region_type *) NULL)
+ {
+ os->region = lang_memory_region_lookup ("*default*");
+ }
+ dot = os->region->current;
+ if (os->section_alignment == -1)
+ dot = align_power (dot, os->bfd_section->alignment_power);
+ }
+ else
+ {
+ etree_value_type r;
+
+ r = exp_fold_tree (os->addr_tree,
+ abs_output_section,
+ lang_allocating_phase_enum,
+ dot, &dot);
+ if (r.valid == false)
+ {
+ einfo ("%F%S: non constant address expression for section %s\n",
+ os->name);
+ }
+ dot = r.value;
+ }
+ /* The section starts here */
+ /* First, align to what the section needs */
+
+ if (os->section_alignment != -1)
+ dot = align_power (dot, os->section_alignment);
+
+ bfd_set_section_vma (0, os->bfd_section, dot);
+
+ os->bfd_section->output_offset = 0;
+ }
+
+ (void) lang_size_sections (os->children.head, os, &os->children.head,
+ os->fill, dot, relax);
+ /* Ignore the size of the input sections, use the vma and size to */
+ /* align against */
+
+ after = ALIGN_N (os->bfd_section->vma +
+ os->bfd_section->_raw_size,
+ /* 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
+ os->bfd_section->_raw_size = after - os->bfd_section->vma;
+ dot = os->bfd_section->vma + os->bfd_section->_raw_size;
+ os->processed = true;
+
+ /* Replace into region ? */
+ if (os->region != (lang_memory_region_type *) NULL)
+ {
+ os->region->current = dot;
+ /* Make sure this isn't silly. */
+ if ((os->region->current < os->region->origin)
+ || (os->region->current
+ > os->region->origin + os->region->length))
+ {
+ if (os->addr_tree != (etree_type *) NULL)
+ {
+ einfo ("%X%P: address 0x%v of %B section %s is not within region %s\n",
+ os->region->current,
+ os->bfd_section->owner,
+ os->bfd_section->name,
+ os->region->name);
+ }
+ else
+ {
+ einfo ("%X%P: region %s is full (%B section %s)\n",
+ os->region->name,
+ os->bfd_section->owner,
+ os->bfd_section->name);
+ }
+ /* Reset the region pointer. */
+ os->region->current = os->region->origin;
+ }
+ }
+ }
+ break;
+
+ case lang_constructors_statement_enum:
+ dot = lang_size_sections (constructor_list.head,
+ output_section_statement,
+ &s->wild_statement.children.head,
+ fill,
+ dot, relax);
+ break;
+
+ case lang_data_statement_enum:
+ {
+ unsigned int size = 0;
+
+ s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma;
+ s->data_statement.output_section =
+ output_section_statement->bfd_section;
+
+ switch (s->data_statement.type)
+ {
+ case QUAD:
+ size = QUAD_SIZE;
+ break;
+ case LONG:
+ size = LONG_SIZE;
+ break;
+ case SHORT:
+ size = SHORT_SIZE;
+ break;
+ case BYTE:
+ size = BYTE_SIZE;
+ break;
- dot = align_power(dot, os->bfd_section->alignment_power);
- os->bfd_section->vma = dot;
- os->bfd_section->output_offset = 0;
+ }
+ dot += size;
+ output_section_statement->bfd_section->_raw_size += size;
+ }
+ break;
- (void) lang_size_sections(os->children.head, os, &os->children.head,
- os->fill, dot);
- /* Ignore the size of the input sections, use the vma and size to */
- /* align against */
+ case lang_reloc_statement_enum:
+ {
+ int size;
+
+ s->reloc_statement.output_vma =
+ dot - output_section_statement->bfd_section->vma;
+ s->reloc_statement.output_section =
+ output_section_statement->bfd_section;
+ size = bfd_get_reloc_size (s->reloc_statement.howto);
+ dot += size;
+ output_section_statement->bfd_section->_raw_size += size;
+ }
+ break;
+
+ case lang_wild_statement_enum:
+ dot = lang_size_sections (s->wild_statement.children.head,
+ output_section_statement,
+ &s->wild_statement.children.head,
- after = ALIGN(os->bfd_section->vma +
- os->bfd_section->size,
- os->block_value) ;
+ fill, dot, relax);
+ break;
- os->bfd_section->size = after - os->bfd_section->vma;
- dot = os->bfd_section->vma + os->bfd_section->size;
- os->processed = true;
+ case lang_object_symbols_statement_enum:
+ link_info.create_object_symbols_section =
+ output_section_statement->bfd_section;
+ break;
+ case lang_output_statement_enum:
+ case lang_target_statement_enum:
+ break;
+ case lang_input_section_enum:
+ {
+ asection *i;
- /* Replace into region ? */
- if (os->addr_tree == (etree_type *)NULL
- && os->region !=(lang_memory_region_type*)NULL ) {
- os->region->current = dot;
- }
- }
+ i = (*prev)->input_section.section;
+ if (! relax)
+ i->_cooked_size = i->_raw_size;
+ else
+ {
+ boolean again;
- break;
+ if (! bfd_relax_section (i->owner, i, &link_info, &again))
+ einfo ("%P%F: can't relax section: %E\n");
+ if (again)
+ relax_again = true;
+ }
+ dot = size_input_section (prev,
+ output_section_statement,
+ output_section_statement->fill,
+ dot, relax);
+ }
+ break;
+ case lang_input_statement_enum:
+ break;
+ case lang_fill_statement_enum:
+ s->fill_statement.output_section = output_section_statement->bfd_section;
- case lang_data_statement_enum:
- {
- unsigned int size;
- s->data_statement.output_vma = dot - output_section_statement->bfd_section->vma;
- s->data_statement.output_section =
- output_section_statement->bfd_section;
-
- switch (s->data_statement.type) {
- case LONG:
- size = LONG_SIZE;
- break;
- case SHORT:
- size = SHORT_SIZE;
- break;
- case BYTE:
- size = BYTE_SIZE;
- break;
+ fill = s->fill_statement.fill;
+ break;
+ case lang_assignment_statement_enum:
+ {
+ bfd_vma newdot = dot;
+
+ exp_fold_tree (s->assignment_statement.exp,
+ output_section_statement,
+ lang_allocating_phase_enum,
+ dot,
+ &newdot);
+
+ if (newdot != dot && !relax)
+ {
+ /* The assignment changed dot. Insert a pad. */
+ if (output_section_statement == abs_output_section)
+ {
+ /* If we don't have an output section, then just adjust
+ the default memory address. */
+ lang_memory_region_lookup ("*default*")->current = newdot;
+ }
+ else
+ {
+ lang_statement_union_type *new =
+ ((lang_statement_union_type *)
+ stat_alloc (sizeof (lang_padding_statement_type)));
+
+ /* Link into existing chain */
+ new->header.next = *prev;
+ *prev = new;
+ new->header.type = lang_padding_statement_enum;
+ new->padding_statement.output_section =
+ output_section_statement->bfd_section;
+ new->padding_statement.output_offset =
+ dot - output_section_statement->bfd_section->vma;
+ new->padding_statement.fill = fill;
+ new->padding_statement.size = newdot - dot;
+ output_section_statement->bfd_section->_raw_size +=
+ new->padding_statement.size;
+ }
+
+ dot = newdot;
+ }
+ }
+ break;
+
+ case lang_padding_statement_enum:
+ /* If we are relaxing, and this is not the first pass, some
+ padding statements may have been inserted during previous
+ passes. We may have to move the padding statement to a new
+ location if dot has a different value at this point in this
+ pass than it did at this point in the previous pass. */
+ s->padding_statement.output_offset =
+ dot - output_section_statement->bfd_section->vma;
+ dot += s->padding_statement.size;
+ break;
+
+ case lang_group_statement_enum:
+ dot = lang_size_sections (s->group_statement.children.head,
+ output_section_statement,
+ &s->group_statement.children.head,
+ fill, dot, relax);
+ break;
+
+ default:
+ FAIL ();
+ break;
- }
- dot += size;
- output_section_statement->bfd_section->size += size;
- }
+ /* This can only get here when relaxing is turned on */
+
+ case lang_address_statement_enum:
+ break;
+ }
+ prev = &s->header.next;
+ }
+ return dot;
+}
+
+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;
+{
+ for (; s != (lang_statement_union_type *) NULL; s = s->next)
+ {
+ switch (s->header.type)
+ {
+ case lang_constructors_statement_enum:
+ dot = lang_do_assignments (constructor_list.head,
+ output_section_statement,
+ fill,
+ dot);
break;
+ case lang_output_section_statement_enum:
+ {
+ lang_output_section_statement_type *os =
+ &(s->output_section_statement);
+
+ if (os->bfd_section != NULL)
+ {
+ dot = os->bfd_section->vma;
+ (void) lang_do_assignments (os->children.head, os,
+ os->fill, dot);
+ dot = os->bfd_section->vma + os->bfd_section->_raw_size;
+ }
+ if (os->load_base)
+ {
+ /* If nothing has been placed into the output section then
+ it won't have a bfd_section. */
+ if (os->bfd_section)
+ {
+ os->bfd_section->lma
+ = exp_get_abs_int(os->load_base, 0,"load base", lang_final_phase_enum);
+ }
+ }
+ }
+ break;
case lang_wild_statement_enum:
- dot = lang_size_sections(s->wild_statement.children.head,
- output_section_statement,
- &s->wild_statement.children.head,
-
- fill, dot);
+ dot = lang_do_assignments (s->wild_statement.children.head,
+ output_section_statement,
+ fill, dot);
break;
case lang_object_symbols_statement_enum:
- create_object_symbols = output_section_statement;
- break;
case lang_output_statement_enum:
case lang_target_statement_enum:
+#if 0
+ case lang_common_statement_enum:
+#endif
break;
+ case lang_data_statement_enum:
+ {
+ etree_value_type value;
+
+ value = exp_fold_tree (s->data_statement.exp,
+ abs_output_section,
+ lang_final_phase_enum, dot, &dot);
+ s->data_statement.value = value.value;
+ if (value.valid == false)
+ einfo ("%F%P: invalid data statement\n");
+ }
+ switch (s->data_statement.type)
+ {
+ case QUAD:
+ dot += QUAD_SIZE;
+ break;
+ case LONG:
+ dot += LONG_SIZE;
+ break;
+ case SHORT:
+ dot += SHORT_SIZE;
+ break;
+ case BYTE:
+ dot += BYTE_SIZE;
+ break;
+ }
+ break;
+
+ case lang_reloc_statement_enum:
+ {
+ etree_value_type value;
+
+ value = exp_fold_tree (s->reloc_statement.addend_exp,
+ abs_output_section,
+ lang_final_phase_enum, dot, &dot);
+ s->reloc_statement.addend_value = value.value;
+ if (value.valid == false)
+ einfo ("%F%P: invalid reloc statement\n");
+ }
+ dot += bfd_get_reloc_size (s->reloc_statement.howto);
+ break;
+
case lang_input_section_enum:
- dot = size_input_section(prev,
- output_section_statement,
- output_section_statement->fill, dot);
+ {
+ asection *in = s->input_section.section;
+
+ if (in->_cooked_size != 0)
+ dot += in->_cooked_size;
+ else
+ dot += in->_raw_size;
+ }
break;
+
case lang_input_statement_enum:
break;
case lang_fill_statement_enum:
fill = s->fill_statement.fill;
break;
case lang_assignment_statement_enum:
- {
- bfd_vma newdot = dot;
- exp_fold_tree(s->assignment_statement.exp,
- output_section_statement,
- lang_allocating_phase_enum,
- dot,
- &newdot);
-
- if (newdot != dot)
- /* We've been moved ! so insert a pad */
- {
- lang_statement_union_type *new =
- (lang_statement_union_type *)
- ldmalloc((bfd_size_type)(sizeof(lang_padding_statement_type)));
- /* Link into existing chain */
- new->header.next = *prev;
- *prev = new;
- new->header.type = lang_padding_statement_enum;
- new->padding_statement.output_section =
- output_section_statement->bfd_section;
- new->padding_statement.output_offset =
- dot - output_section_statement->bfd_section->vma;
- new->padding_statement.fill = fill;
- new->padding_statement.size = newdot - dot;
- output_section_statement->bfd_section->size +=
- new->padding_statement.size;
- dot = newdot;
- }
- }
+ {
+ exp_fold_tree (s->assignment_statement.exp,
+ output_section_statement,
+ lang_final_phase_enum,
+ dot,
+ &dot);
+ }
break;
case lang_padding_statement_enum:
- FAIL();
- break;
- default:
- FAIL();
- break;
- case lang_address_statement_enum:
+ dot += s->padding_statement.size;
break;
- }
- prev = &s->header.next;
- }
- return dot;
-}
-
-
-static bfd_vma
-DEFUN(lang_do_assignments,(s, output_section_statement, fill, dot),
- lang_statement_union_type *s AND
- lang_output_section_statement_type * output_section_statement AND
- unsigned short fill AND
- bfd_vma dot)
-{
-
- for (; s != (lang_statement_union_type *)NULL ; s = s->next)
- {
- switch (s->header.type) {
- case lang_output_section_statement_enum:
- {
- lang_output_section_statement_type *os =
- &(s->output_section_statement);
- dot = os->bfd_section->vma;
- (void) lang_do_assignments(os->children.head, os, os->fill, dot);
- dot = os->bfd_section->vma + os->bfd_section->size;
- }
- break;
- case lang_wild_statement_enum:
- dot = lang_do_assignments(s->wild_statement.children.head,
- output_section_statement,
- fill, dot);
-
- break;
-
- case lang_object_symbols_statement_enum:
- case lang_output_statement_enum:
- case lang_target_statement_enum:
-#if 0
- case lang_common_statement_enum:
-#endif
- break;
- case lang_data_statement_enum:
- {
- etree_value_type value ;
- value = exp_fold_tree(s->data_statement.exp,
- 0, lang_final_phase_enum, dot, &dot);
- s->data_statement.value = value.value;
- if (value.valid == false) info("%F%P: Invalid data statement\n");
- }
- switch (s->data_statement.type) {
- case LONG:
- dot += LONG_SIZE;
- break;
- case SHORT:
- dot += SHORT_SIZE;
- break;
- case BYTE:
- dot += BYTE_SIZE;
- break;
- }
- break;
- case lang_input_section_enum:
- {
- asection *in = s->input_section.section;
- dot += in->size;
- }
- break;
+ case lang_group_statement_enum:
+ dot = lang_do_assignments (s->group_statement.children.head,
+ output_section_statement,
+ fill, dot);
- case lang_input_statement_enum:
- break;
- case lang_fill_statement_enum:
- fill = s->fill_statement.fill;
- break;
- case lang_assignment_statement_enum:
- {
- exp_fold_tree(s->assignment_statement.exp,
- output_section_statement,
- lang_final_phase_enum,
- dot,
- &dot);
- }
+ break;
- break;
- case lang_padding_statement_enum:
- dot += s->padding_statement.size;
- break;
- default:
- FAIL();
- break;
- case lang_address_statement_enum:
- break;
- }
+ default:
+ FAIL ();
+ break;
+ case lang_address_statement_enum:
+ break;
+ }
}
return dot;
}
+static void
+lang_finish ()
+{
+ struct bfd_link_hash_entry *h;
+ boolean warn;
+ if (link_info.relocateable || link_info.shared)
+ warn = false;
+ else
+ warn = true;
-static void
-DEFUN_VOID(lang_relocate_globals)
-{
-
- /*
- Each ldsym_type maintains a chain of pointers to asymbols which
- references the definition. Replace each pointer to the referenence
- with a pointer to only one place, preferably the definition. If
- the defintion isn't available then the common symbol, and if
- there isn't one of them then choose one reference.
- */
-
- FOR_EACH_LDSYM(lgs) {
- asymbol *it;
- if (lgs->sdefs_chain) {
- it = *(lgs->sdefs_chain);
- }
- else if (lgs->scoms_chain != (asymbol **)NULL) {
- it = *(lgs->scoms_chain);
- }
- else if (lgs->srefs_chain != (asymbol **)NULL) {
- it = *(lgs->srefs_chain);
+ if (entry_symbol == (char *) NULL)
+ {
+ /* No entry has been specified. Look for start, but don't warn
+ if we don't find it. */
+ entry_symbol = "start";
+ warn = false;
}
- else {
- /* This can happen when the command line asked for a symbol to
- be -u */
- it = (asymbol *)NULL;
+
+ h = bfd_link_hash_lookup (link_info.hash, entry_symbol, false, false, true);
+ if (h != (struct bfd_link_hash_entry *) NULL
+ && (h->type == bfd_link_hash_defined
+ || h->type == bfd_link_hash_defweak))
+ {
+ bfd_vma val;
+
+ val = (h->u.def.value
+ + bfd_get_section_vma (output_bfd,
+ 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);
}
- if (it != (asymbol *)NULL)
- {
- asymbol **ptr= lgs->srefs_chain;
+ else
+ {
+ asection *ts;
- while (ptr != (asymbol **)NULL) {
- asymbol *ref = *ptr;
- *ptr = it;
- ptr = (asymbol **)(ref->udata);
- }
+ /* Can't find the entry symbol. Use the first address in the
+ text section. */
+ ts = bfd_get_section_by_name (output_bfd, ".text");
+ if (ts != (asection *) NULL)
+ {
+ if (warn)
+ einfo ("%P: warning: cannot find entry symbol %s; defaulting to %V\n",
+ entry_symbol, bfd_get_section_vma (output_bfd, ts));
+ if (! bfd_set_start_address (output_bfd,
+ bfd_get_section_vma (output_bfd, ts)))
+ einfo ("%P%F: can't set start address\n");
}
- }
+ else
+ {
+ if (warn)
+ einfo ("%P: warning: cannot find entry symbol %s; not setting start address\n",
+ entry_symbol);
+ }
+ }
}
-
+/* Check that the architecture of all the input files is compatible
+ with the output file. Also call the backend to let it do any
+ other checking that is needed. */
static void
-DEFUN_VOID(lang_finish)
+lang_check ()
{
- ldsym_type *lgs;
-
- if (entry_symbol == (char *)NULL) {
- /* No entry has been specified, look for start */
- entry_symbol = "start";
- }
- lgs = ldsym_get_soft(entry_symbol);
- if (lgs && lgs->sdefs_chain) {
- asymbol *sy = *(lgs->sdefs_chain);
- /* We can set the entry address*/
- bfd_set_start_address(output_bfd,
- outside_symbol_address(sy));
+ lang_statement_union_type *file;
+ bfd *input_bfd;
+ CONST bfd_arch_info_type *compatible;
- }
- else {
- /* Can't find anything reasonable,
- use the first address in the text section
- */
- asection *ts = bfd_get_section_by_name(output_bfd, ".text");
- if (ts) {
- bfd_set_start_address(output_bfd, ts->vma);
+ for (file = file_chain.head;
+ file != (lang_statement_union_type *) NULL;
+ file = file->input_statement.next)
+ {
+ input_bfd = file->input_statement.the_bfd;
+ compatible = bfd_arch_get_compatible (input_bfd,
+ output_bfd);
+ if (compatible == NULL)
+ einfo ("%P: warning: %s architecture of input file `%B' is incompatible with %s output\n",
+ bfd_printable_name (input_bfd), input_bfd,
+ bfd_printable_name (output_bfd));
+
+ else
+ bfd_merge_private_bfd_data (input_bfd, output_bfd);
}
- }
}
-/* By now we know the target architecture, and we may have an */
-/* ldfile_output_machine_name */
+/* Look through all the global common symbols and attach them to the
+ correct section. The -sort-common command line switch may be used
+ to roughly sort the entries by size. */
+
static void
-DEFUN_VOID(lang_check)
+lang_common ()
{
- lang_statement_union_type *file;
-
- bfd * input_bfd;
- unsigned long input_machine;
- enum bfd_architecture input_architecture;
- char *out_arch, *out_arch2;
-
-
- for (file = file_chain.head;
- file != (lang_statement_union_type *)NULL;
- file=file->input_statement.next)
- {
- unsigned long ldfile_new_output_machine;
- enum bfd_architecture ldfile_new_output_architecture;
-
- input_bfd = file->input_statement.the_bfd;
-
- input_machine = bfd_get_machine(input_bfd);
- input_architecture = bfd_get_architecture(input_bfd);
-
-
- /* Inspect the architecture and ensure we're linking like with like */
- if (!bfd_arch_compatible(input_bfd,
- output_bfd,
- &ldfile_new_output_architecture,
- &ldfile_new_output_machine))
- {
-
- /* Result of bfd_printable_arch_mach is not guaranteed to stick
- around after next call, so we have to copy it. */
- out_arch = bfd_printable_arch_mach(ldfile_output_architecture,
- ldfile_output_machine);
- out_arch2 = ldmalloc (strlen (out_arch)+1);
- strcpy (out_arch2, out_arch);
+ if (link_info.relocateable
+ && ! command_line.force_common_definition)
+ return;
- info("%P: warning, %s architecture of input file `%B' incompatible with %s output\n",
- bfd_printable_arch_mach(input_architecture, input_machine),
- input_bfd,
- out_arch2);
- free (out_arch2);
+ if (! config.sort_common)
+ bfd_link_hash_traverse (link_info.hash, lang_one_common, (PTR) NULL);
+ else
+ {
+ int power;
+ for (power = 4; power >= 0; power--)
+ bfd_link_hash_traverse (link_info.hash, lang_one_common,
+ (PTR) &power);
+ }
+}
- bfd_set_arch_mach(output_bfd,
- ldfile_new_output_architecture,
- ldfile_new_output_machine);
- }
- }
+/* Place one common symbol in the correct section. */
-}
+static boolean
+lang_one_common (h, info)
+ struct bfd_link_hash_entry *h;
+ PTR info;
+{
+ unsigned int power_of_two;
+ bfd_vma size;
+ asection *section;
+ if (h->type != bfd_link_hash_common)
+ return true;
-/*
- * run through all the global common symbols and tie them
- * to the output section requested.
- *
- As an experiment we do this 4 times, once for all the byte sizes,
- then all the two bytes, all the four bytes and then everything else
- */
+ size = h->u.c.size;
+ power_of_two = h->u.c.p->alignment_power;
-static void
-DEFUN_VOID(lang_common)
-{
- ldsym_type *lgs;
- size_t power;
- if (config.relocateable_output == false ||
- command_line.force_common_definition== true) {
- for (power = 1; (config.sort_common == true && power == 1) || (power <= 16); power <<=1) {
- for (lgs = symbol_head;
- lgs != (ldsym_type *)NULL;
- lgs=lgs->next)
- {
- asymbol *com ;
- unsigned int power_of_two;
- size_t size;
- size_t align;
- if (lgs->scoms_chain != (asymbol **)NULL) {
- com = *(lgs->scoms_chain);
- size = com->value;
- switch (size) {
- case 0:
- case 1:
- align = 1;
- power_of_two = 0;
- break;
- case 2:
- power_of_two = 1;
- align = 2;
- break;
- case 3:
- case 4:
- power_of_two =2;
- align = 4;
- break;
- case 5:
- case 6:
- case 7:
- case 8:
- power_of_two = 3;
- align = 8;
- break;
- default:
- power_of_two = 4;
- align = 16;
- break;
- }
- if (config.sort_common == false || align == power) {
- /* Change from a common symbol into a definition of
- a symbol */
- lgs->sdefs_chain = lgs->scoms_chain;
- lgs->scoms_chain = (asymbol **)NULL;
- commons_pending--;
- /* Point to the correct common section */
- com->section =
- ((lang_input_statement_type *)
- (com->the_bfd->usrdata))->common_section;
- /* Fix the size of the common section */
- com->section->size = ALIGN(com->section->size, align);
-
- /* Remember if this is the biggest alignment ever seen */
- if (power_of_two > com->section->alignment_power) {
- com->section->alignment_power = power_of_two;
- }
+ if (config.sort_common
+ && power_of_two < *(int *) info)
+ return true;
- /* Symbol stops being common and starts being global, but
- we remember that it was common once. */
+ section = h->u.c.p->section;
- com->flags = BSF_EXPORT | BSF_GLOBAL | BSF_OLD_COMMON;
- com->value = com->section->size;
+ /* Increase the size of the section. */
+ section->_raw_size = ALIGN_N (section->_raw_size,
+ (bfd_size_type) (1 << power_of_two));
- if (write_map)
- {
- printf ("Allocating common %s: %x at %x %s\n",
- lgs->name,
- (unsigned) size,
- (unsigned) com->value,
- com->the_bfd->filename);
- }
+ /* Adjust the alignment if necessary. */
+ if (power_of_two > section->alignment_power)
+ section->alignment_power = power_of_two;
- com->section->size += size;
+ /* Change the symbol from common to defined. */
+ h->type = bfd_link_hash_defined;
+ h->u.def.section = section;
+ h->u.def.value = section->_raw_size;
- }
- }
+ /* Increase the size of the section. */
+ section->_raw_size += size;
- }
- }
- }
+ /* Make sure the section is allocated in memory. */
+ section->flags |= SEC_ALLOC;
+ if (config.map_file != NULL)
+ fprintf (config.map_file, "Allocating common %s: %lx at %lx %s\n",
+ h->root.string, (unsigned long) size,
+ (unsigned long) h->u.def.value, section->owner->filename);
+ return true;
}
/*
-run through the input files and ensure that every input
+run through the input files and ensure that every input
section has somewhere to go. If one is found without
a destination then create an input request and place it
into the statement tree.
*/
-static void
-DEFUN_VOID(lang_place_orphans)
+static void
+lang_place_orphans ()
{
lang_input_statement_type *file;
- for (file = (lang_input_statement_type*)file_chain.head;
- file != (lang_input_statement_type*)NULL;
- file = (lang_input_statement_type*)file->next) {
- asection *s;
- for (s = file->the_bfd->sections;
- s != (asection *)NULL;
- s = s->next) {
- if ( s->output_section == (asection *)NULL) {
- /* This section of the file is not attatched, root
- around for a sensible place for it to go */
-
- if (file->common_section == s) {
- /* This is a lonely common section which must
- have come from an archive. We attatch to the
- section with the wildcard */
- if (config.relocateable_output != true
- && command_line.force_common_definition == false) {
- if (default_common_section ==
- (lang_output_section_statement_type *)NULL) {
- info("%P: No [COMMON] command, defaulting to .bss\n");
-
- default_common_section =
- lang_output_section_statement_lookup(".bss");
- }
- wild_doit(&default_common_section->children, s,
- default_common_section, file);
- }
- }
- else {
- lang_output_section_statement_type *os =
- lang_output_section_statement_lookup(s->name);
+ for (file = (lang_input_statement_type *) file_chain.head;
+ file != (lang_input_statement_type *) NULL;
+ file = (lang_input_statement_type *) file->next)
+ {
+ asection *s;
+
+ for (s = file->the_bfd->sections;
+ s != (asection *) NULL;
+ s = s->next)
+ {
+ if (s->output_section == (asection *) NULL)
+ {
+ /* This section of the file is not attatched, 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;
+ }
+ else if (file->common_section == s)
+ {
+ /* This is a lonely common section which must
+ have come from an archive. We attatch to the
+ section with the wildcard */
+ if (! link_info.relocateable
+ && ! command_line.force_common_definition)
+ {
+ if (default_common_section ==
+ (lang_output_section_statement_type *) NULL)
+ {
+ info_msg ("%P: no [COMMON] command, defaulting to .bss\n");
+
+ default_common_section =
+ lang_output_section_statement_lookup (".bss");
+
+ }
+ wild_doit (&default_common_section->children, s,
+ default_common_section, file);
+ }
+ }
+ else if (ldemul_place_orphan (file, s))
+ ;
+ else
+ {
+ lang_output_section_statement_type *os =
+ lang_output_section_statement_lookup (s->name);
- wild_doit(&os->children, s, os, file);
+ wild_doit (&os->children, s, os, file);
+ }
+ }
}
- }
}
- }
}
void
-DEFUN(lang_set_flags,(ptr, flags),
- int *ptr AND
- CONST char *flags)
+lang_set_flags (ptr, flags)
+ int *ptr;
+ CONST char *flags;
{
- boolean state = true;
-*ptr= 0;
+ boolean state = false;
+
+ *ptr = 0;
while (*flags)
- {
- if (*flags == '!') {
+ {
+ if (*flags == '!')
+ {
state = false;
flags++;
}
- else state = true;
- switch (*flags) {
+ else
+ state = true;
+ switch (*flags)
+ {
case 'R':
-/* ptr->flag_read = state; */
+ /* ptr->flag_read = state; */
break;
case 'W':
-/* ptr->flag_write = state; */
+ /* ptr->flag_write = state; */
break;
case 'X':
-/* ptr->flag_executable= state;*/
+ /* ptr->flag_executable= state;*/
break;
case 'L':
case 'I':
-/* ptr->flag_loadable= state;*/
+ /* ptr->flag_loadable= state;*/
break;
default:
- info("%P%F illegal syntax in flags\n");
+ einfo ("%P%F: invalid syntax in flags\n");
break;
}
- flags++;
- }
+ flags++;
+ }
}
-
+/* Call a function on each input file. This function will be called
+ on an archive, but not on the elements. */
void
-DEFUN(lang_for_each_file,(func),
- PROTO(void, (*func),(lang_input_statement_type *)))
+lang_for_each_input_file (func)
+ void (*func) PARAMS ((lang_input_statement_type *));
{
lang_input_statement_type *f;
- for (f = (lang_input_statement_type *)file_chain.head;
- f != (lang_input_statement_type *)NULL;
- f = (lang_input_statement_type *)f->next)
- {
- func(f);
- }
+
+ for (f = (lang_input_statement_type *) input_file_chain.head;
+ f != NULL;
+ f = (lang_input_statement_type *) f->next_real_file)
+ func (f);
}
+/* Call a function on each file. The function will be called on all
+ the elements of an archive which are included in the link, but will
+ not be called on the archive file itself. */
void
-DEFUN(lang_for_each_input_section, (func),
- PROTO(void ,(*func),(bfd *ab, asection*as)))
+lang_for_each_file (func)
+ void (*func) PARAMS ((lang_input_statement_type *));
{
lang_input_statement_type *f;
- for (f = (lang_input_statement_type *)file_chain.head;
- f != (lang_input_statement_type *)NULL;
- f = (lang_input_statement_type *)f->next)
+
+ for (f = (lang_input_statement_type *) file_chain.head;
+ f != (lang_input_statement_type *) NULL;
+ f = (lang_input_statement_type *) f->next)
{
- asection *s;
- for (s = f->the_bfd->sections;
- s != (asection *)NULL;
- s = s->next) {
- func(f->the_bfd, s);
- }
+ func (f);
}
}
+#if 0
+/* Not used. */
-void
-DEFUN(ldlang_add_file,(entry),
- lang_input_statement_type *entry)
+void
+lang_for_each_input_section (func)
+ void (*func) PARAMS ((bfd * ab, asection * as));
{
+ lang_input_statement_type *f;
+
+ for (f = (lang_input_statement_type *) file_chain.head;
+ f != (lang_input_statement_type *) NULL;
+ f = (lang_input_statement_type *) f->next)
+ {
+ asection *s;
- lang_statement_append(&file_chain,
- (lang_statement_union_type *)entry,
- &entry->next);
+ for (s = f->the_bfd->sections;
+ s != (asection *) NULL;
+ s = s->next)
+ {
+ func (f->the_bfd, s);
+ }
+ }
}
+#endif
+
+void
+ldlang_add_file (entry)
+ lang_input_statement_type * entry;
+{
+ bfd **pp;
+
+ lang_statement_append (&file_chain,
+ (lang_statement_union_type *) entry,
+ &entry->next);
+ /* 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 != output_bfd);
+ for (pp = &link_info.input_bfds;
+ *pp != (bfd *) NULL;
+ pp = &(*pp)->link_next)
+ ;
+ *pp = entry->the_bfd;
+ entry->the_bfd->usrdata = (PTR) entry;
+ bfd_set_gp_size (entry->the_bfd, g_switch_value);
+}
void
-DEFUN(lang_add_output,(name),
- CONST char *name)
+lang_add_output (name, from_script)
+ CONST char *name;
+ int from_script;
{
- lang_output_statement_type *new = new_stat(lang_output_statement,
- stat_ptr);
- new->name = name;
- had_output_filename = true;
+ /* Make -o on command line override OUTPUT in script. */
+ if (had_output_filename == false || !from_script)
+ {
+ output_filename = name;
+ had_output_filename = true;
+ }
}
static lang_output_section_statement_type *current_section;
+static int topower(x)
+ int x;
+{
+ unsigned int i = 1;
+ int l;
+ if (x < 0) return -1;
+ for (l = 0; l < 32; l++)
+ {
+ if (i >= x) return l;
+ i<<=1;
+ }
+ return 0;
+}
void
-DEFUN(lang_enter_output_section_statement,
- (output_section_statement_name,
- address_exp,
- flags,
- block_value),
- char *output_section_statement_name AND
- etree_type *address_exp AND
- int flags AND
- bfd_vma block_value)
+lang_enter_output_section_statement (output_section_statement_name,
+ address_exp, flags, block_value,
+ align, subalign, ebase)
+ const char *output_section_statement_name;
+ etree_type * address_exp;
+ int flags;
+ bfd_vma block_value;
+ etree_type *align;
+ etree_type *subalign;
+ etree_type *ebase;
{
lang_output_section_statement_type *os;
- current_section =
- os =
- lang_output_section_statement_lookup(output_section_statement_name);
+
+ current_section =
+ os =
+ lang_output_section_statement_lookup (output_section_statement_name);
+
/* Add this statement to tree */
/* Make next things chain into subchain of this */
if (os->addr_tree ==
- (etree_type *)NULL) {
+ (etree_type *) NULL)
+ {
os->addr_tree =
- address_exp;
+ address_exp;
}
os->flags = flags;
- os->block_value = block_value;
- stat_ptr = & os->children;
-
-}
+ if (flags & SEC_NEVER_LOAD)
+ os->loadable = 0;
+ else
+ os->loadable = 1;
+ os->block_value = block_value ? block_value : 1;
+ stat_ptr = &os->children;
+ os->subsection_alignment = topower(
+ exp_get_value_int(subalign, -1,
+ "subsection alignment",
+ 0));
+ os->section_alignment = topower(
+ exp_get_value_int(align, -1,
+ "section alignment", 0));
-void
-DEFUN_VOID(lang_final)
-{
- if (had_output_filename == false) {
- extern CONST char *output_filename;
- lang_add_output(output_filename);
- }
+ os->load_base = ebase;
}
+void
+lang_final ()
+{
+ lang_output_statement_type *new =
+ new_stat (lang_output_statement, stat_ptr);
+ new->name = output_filename;
+}
-
-asymbol *
-DEFUN(create_symbol,(name, flags, section),
- CONST char *name AND
- flagword flags AND
- asection *section)
+/* Reset the current counters in the regions */
+static void
+reset_memory_regions ()
{
- extern lang_input_statement_type *script_file;
- asymbol **def_ptr = (asymbol **)ldmalloc((bfd_size_type)(sizeof(asymbol **)));
- /* Add this definition to script file */
- asymbol *def = (asymbol *)bfd_make_empty_symbol(script_file->the_bfd);
- def->name = buystring(name);
- def->udata = 0;
- def->flags = flags;
- def->section = section;
+ lang_memory_region_type *p = lang_memory_region_list;
- *def_ptr = def;
- Q_enter_global_ref(def_ptr);
- return def;
+ for (p = lang_memory_region_list;
+ p != (lang_memory_region_type *) NULL;
+ p = p->next)
+ {
+ p->old_length = (bfd_size_type) (p->current - p->origin);
+ p->current = p->origin;
+ }
}
-
void
-DEFUN_VOID(lang_process)
-{
- if (had_script == false) {
- parse_line(ldemul_get_script());
- }
- lang_reasonable_defaults();
+lang_process ()
+{
+ lang_reasonable_defaults ();
current_target = default_target;
- lang_for_each_statement(ldlang_open_output); /* Open the output file */
- /* For each output section statement, create a section in the output
- file */
- lang_create_output_section_statements();
+ lang_for_each_statement (ldlang_open_output); /* Open the output file */
- /* Create a dummy bfd for the script */
- lang_init_script_file();
+ ldemul_create_output_section_statements ();
/* Add to the hash table all undefineds on the command line */
- lang_place_undefineds();
+ lang_place_undefineds ();
/* Create a bfd for each input file */
current_target = default_target;
- lang_for_each_statement(open_input_bfds);
+ open_input_bfds (statement_list.head, false);
+
+ ldemul_after_open ();
+
+ /* Build all sets based on the information gathered from the input
+ files. */
+ ldctor_build_sets ();
- common_section.userdata = (PTR)&common_section_userdata;
+ /* Size up the common data */
+ lang_common ();
/* Run through the contours of the script and attatch input sections
- to the correct output 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, (char *) NULL,
+ (lang_output_section_statement_type *) NULL);
+
/* Find any sections not attatched explicitly and handle them */
- lang_place_orphans();
+ lang_place_orphans ();
+
+ ldemul_before_allocation ();
+
+ /* Now run around and relax if we can */
+ if (command_line.relax)
+ {
+ /* First time round is a trial run to get the 'worst case'
+ addresses of the objects if there was no relaxing. */
+ lang_size_sections (statement_list.head,
+ abs_output_section,
+ &(statement_list.head), 0, (bfd_vma) 0, false);
- /* Size up the common data */
- lang_common();
- ldemul_before_allocation();
+ reset_memory_regions ();
- /* Size up the sections */
- lang_size_sections(statement_list.head,
- (lang_output_section_statement_type *)NULL,
- &(statement_list.head), 0, (bfd_vma)0);
+ /* Keep relaxing until bfd_relax_section gives up. */
+ do
+ {
+ relax_again = false;
+
+ /* 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);
+
+ /* 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, true);
+ }
+ while (relax_again);
+ }
+ else
+ {
+ /* Size up the sections. */
+ lang_size_sections (statement_list.head,
+ abs_output_section,
+ &(statement_list.head), 0, (bfd_vma) 0, false);
+ }
/* See if anything special should be done now we know how big
- everything is */
- ldemul_after_allocation();
+ everything is. */
+ ldemul_after_allocation ();
/* Do all the assignments, now that we know the final restingplaces
of all the symbols */
- lang_do_assignments(statement_list.head,
- (lang_output_section_statement_type *)NULL,
- 0, (bfd_vma)0);
+ lang_do_assignments (statement_list.head,
+ abs_output_section,
+ (fill_type) 0, (bfd_vma) 0);
/* Make sure that we're not mixing architectures */
- lang_check();
-
- /* Move the global symbols around */
- lang_relocate_globals();
+ lang_check ();
/* Final stuffs */
- lang_finish();
-}
+ ldemul_finish ();
+ lang_finish ();
+}
/* EXPORTED TO YACC */
void
-DEFUN(lang_add_wild,(section_name, filename),
- CONST char *CONST section_name AND
- CONST char *CONST filename)
+lang_add_wild (section_name, filename)
+ CONST char *CONST section_name;
+ CONST char *CONST filename;
{
- lang_wild_statement_type *new = new_stat(lang_wild_statement,
- stat_ptr);
+ lang_wild_statement_type *new = new_stat (lang_wild_statement,
+ stat_ptr);
- if (section_name != (char *)NULL && strcmp(section_name,"COMMON") == 0)
- {
- placed_commons = true;
- }
- if (filename != (char *)NULL) {
- lang_has_input_file = true;
- }
+ if (section_name != (char *) NULL && strcmp (section_name, "COMMON") == 0)
+ {
+ placed_commons = true;
+ }
+ if (filename != (char *) NULL)
+ {
+ lang_has_input_file = true;
+ }
new->section_name = section_name;
new->filename = filename;
- lang_list_init(&new->children);
+ lang_list_init (&new->children);
}
+
void
-DEFUN(lang_section_start,(name, address),
- CONST char *name AND
- etree_type *address)
+lang_section_start (name, address)
+ CONST char *name;
+ etree_type * address;
{
- lang_address_statement_type *ad =new_stat(lang_address_statement, stat_ptr);
+ lang_address_statement_type *ad = new_stat (lang_address_statement, stat_ptr);
+
ad->section_name = name;
ad->address = address;
}
-void
-DEFUN(lang_add_entry,(name),
- CONST char *name)
-{
- entry_symbol = name;
-}
+/* Set the start symbol to NAME. CMDLINE is nonzero if this is called
+ because of a -e argument on the command line, or zero if this is
+ called by ENTRY in a linker script. Command line arguments take
+ precedence. */
+
+/* WINDOWS_NT. When an entry point has been specified, we will also force
+ this symbol to be defined by calling ldlang_add_undef (equivalent to
+ having switch -u entry_name on the command line). The reason we do
+ this is so that the user doesn't have to because they would have to use
+ the -u switch if they were specifying an entry point other than
+ _mainCRTStartup. Specifically, if creating a windows application, entry
+ point _WinMainCRTStartup must be specified.
+ What I have found for non console applications (entry not _mainCRTStartup)
+ is that the .obj that contains mainCRTStartup is brought in since it is
+ the first encountered in libc.lib and it has other symbols in it which will
+ be pulled in by the link process. To avoid this, adding -u with the entry
+ point name specified forces the correct .obj to be used. We can avoid
+ making the user do this by always adding the entry point name as an
+ undefined symbol. */
void
-DEFUN(lang_add_target,(name),
- CONST char *name)
+lang_add_entry (name, cmdline)
+ CONST char *name;
+ int cmdline;
{
- lang_target_statement_type *new = new_stat(lang_target_statement,
- stat_ptr);
- new->target = name;
+ static int from_cmdline;
+ if (entry_symbol == NULL
+ || cmdline
+ || ! from_cmdline)
+ {
+ entry_symbol = name;
+ from_cmdline = cmdline;
+ }
+#ifdef 0 /* WINDOWS_NT */
+ /* don't do this yet. It seems to work (the executables run), but the
+ image created is very different from what I was getting before indicating
+ that something else is being pulled in. When everything else is working,
+ then try to put this back in to see if it will do the right thing for
+ other more complicated applications */
+ ldlang_add_undef (name);
+#endif
}
+void
+lang_add_target (name)
+ CONST char *name;
+{
+ lang_target_statement_type *new = new_stat (lang_target_statement,
+ stat_ptr);
+ new->target = name;
+}
void
-DEFUN(lang_add_map,(name),
- CONST char *name)
+lang_add_map (name)
+ CONST char *name;
{
- while (*name) {
- switch (*name) {
- case 'F':
- map_option_f = true;
- break;
+ while (*name)
+ {
+ switch (*name)
+ {
+ case 'F':
+ map_option_f = true;
+ break;
+ }
+ name++;
}
- name++;
- }
}
-void
-DEFUN(lang_add_fill,(exp),
- int exp)
+void
+lang_add_fill (exp)
+ int exp;
{
- lang_fill_statement_type *new = new_stat(lang_fill_statement,
- stat_ptr);
+ lang_fill_statement_type *new = new_stat (lang_fill_statement,
+ stat_ptr);
+
new->fill = exp;
}
-void
-DEFUN(lang_add_data,(type, exp),
- int type AND
- union etree_union *exp)
+void
+lang_add_data (type, exp)
+ int type;
+ union etree_union *exp;
{
- lang_data_statement_type *new = new_stat(lang_data_statement,
+ lang_data_statement_type *new = new_stat (lang_data_statement,
stat_ptr);
- new->exp = exp;
- new->type = type;
+ new->exp = exp;
+ new->type = type;
+
+}
+
+/* Create a new reloc statement. RELOC is the BFD relocation type to
+ generate. HOWTO is the corresponding howto structure (we could
+ look this up, but the caller has already done so). SECTION is the
+ section to generate a reloc against, or NAME is the name of the
+ symbol to generate a reloc against. Exactly one of SECTION and
+ 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_reloc_statement_type *p = new_stat (lang_reloc_statement, stat_ptr);
+
+ p->reloc = reloc;
+ p->howto = howto;
+ p->section = section;
+ p->name = name;
+ p->addend_exp = addend;
+
+ p->addend_value = 0;
+ p->output_section = NULL;
+ p->output_vma = 0;
}
+
void
-DEFUN(lang_add_assignment,(exp),
- etree_type *exp)
+lang_add_assignment (exp)
+ etree_type * exp;
{
- lang_assignment_statement_type *new = new_stat(lang_assignment_statement,
- stat_ptr);
+ lang_assignment_statement_type *new = new_stat (lang_assignment_statement,
+ stat_ptr);
+
new->exp = exp;
}
void
-DEFUN(lang_add_attribute,(attribute),
- enum statement_enum attribute)
+lang_add_attribute (attribute)
+ enum statement_enum attribute;
{
- new_statement(attribute, sizeof(lang_statement_union_type),stat_ptr);
+ new_statement (attribute, sizeof (lang_statement_union_type), stat_ptr);
}
-
-
-void
-DEFUN(lang_startup,(name),
- CONST char *name)
+void
+lang_startup (name)
+ CONST char *name;
{
- if (startup_file != (char *)NULL) {
- info("%P%FMultiple STARTUP files\n");
- }
+ if (startup_file != (char *) NULL)
+ {
+ einfo ("%P%Fmultiple STARTUP files\n");
+ }
first_file->filename = name;
first_file->local_sym_name = name;
+ first_file->real = true;
- startup_file= name;
+ startup_file = name;
}
-void
-DEFUN(lang_float,(maybe),
- boolean maybe)
+
+void
+lang_float (maybe)
+ boolean maybe;
{
lang_float_flag = maybe;
}
-void
-DEFUN(lang_leave_output_section_statement,(fill, memspec),
- bfd_vma fill AND
- CONST char *memspec)
+void
+lang_leave_output_section_statement (fill, memspec)
+ bfd_vma fill;
+ CONST char *memspec;
{
current_section->fill = fill;
- current_section->region = lang_memory_region_lookup(memspec);
+ current_section->region = lang_memory_region_lookup (memspec);
stat_ptr = &statement_list;
}
+
/*
Create an absolute symbol with the given name with the value of the
address of first byte of the section named.
If the symbol already exists, then do nothing.
*/
void
-DEFUN(lang_abs_symbol_at_beginning_of,(section, name),
- CONST char *section AND
- CONST char *name)
-{
- if (ldsym_undefined(name)) {
- extern bfd *output_bfd;
- extern asymbol *create_symbol();
- asection *s = bfd_get_section_by_name(output_bfd, section);
- asymbol *def = create_symbol(name,
- BSF_GLOBAL | BSF_EXPORT |
- BSF_ABSOLUTE,
- (asection *)NULL);
- if (s != (asection *)NULL) {
- def->value = s->vma;
- }
- else {
- def->value = 0;
+lang_abs_symbol_at_beginning_of (secname, name)
+ 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)
+ einfo ("%P%F: bfd_link_hash_lookup failed: %E\n");
+
+ if (h->type == bfd_link_hash_new
+ || h->type == bfd_link_hash_undefined)
+ {
+ asection *sec;
+
+ h->type = bfd_link_hash_defined;
+
+ sec = bfd_get_section_by_name (output_bfd, secname);
+ if (sec == (asection *) NULL)
+ h->u.def.value = 0;
+ else
+ h->u.def.value = bfd_get_section_vma (output_bfd, sec);
+
+ h->u.def.section = bfd_abs_section_ptr;
}
- }
}
/*
If the symbol already exists, then do nothing.
*/
void
-DEFUN(lang_abs_symbol_at_end_of,(section, name),
- CONST char *section AND
- CONST char *name)
-{
- if (ldsym_undefined(name)){
- extern bfd *output_bfd;
- extern asymbol *create_symbol();
- asection *s = bfd_get_section_by_name(output_bfd, section);
- /* Add a symbol called _end */
- asymbol *def = create_symbol(name,
- BSF_GLOBAL | BSF_EXPORT |
- BSF_ABSOLUTE,
- (asection *)NULL);
- if (s != (asection *)NULL) {
- def->value = s->vma + s->size;
- }
- else {
- def->value = 0;
+lang_abs_symbol_at_end_of (secname, name)
+ 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)
+ einfo ("%P%F: bfd_link_hash_lookup failed: %E\n");
+
+ if (h->type == bfd_link_hash_new
+ || h->type == bfd_link_hash_undefined)
+ {
+ asection *sec;
+
+ h->type = bfd_link_hash_defined;
+
+ sec = bfd_get_section_by_name (output_bfd, secname);
+ if (sec == (asection *) NULL)
+ h->u.def.value = 0;
+ else
+ h->u.def.value = (bfd_get_section_vma (output_bfd, sec)
+ + bfd_section_size (output_bfd, sec));
+
+ h->u.def.section = bfd_abs_section_ptr;
}
- }
}
-void
-DEFUN(lang_statement_append,(list, element, field),
- lang_statement_list_type *list AND
- lang_statement_union_type *element AND
- lang_statement_union_type **field)
+void
+lang_statement_append (list, element, field)
+ 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 */
+/* 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;
+{
+ if (output_target == NULL || !from_script)
+ {
+ if (command_line.endian == ENDIAN_BIG
+ && big != NULL)
+ format = big;
+ else if (command_line.endian == ENDIAN_LITTLE
+ && little != NULL)
+ format = little;
+
+ output_target = format;
+ }
+}
+
+/* Enter a group. This creates a new lang_group_statement, and sets
+ stat_ptr to build new statements within the group. */
+
void
-DEFUN(lang_add_output_format,(format),
-CONST char *format)
+lang_enter_group ()
{
- output_target = format;
+ lang_group_statement_type *g;
+
+ g = new_stat (lang_group_statement, stat_ptr);
+ lang_list_init (&g->children);
+ stat_ptr = &g->children;
}
+/* Leave a group. This just resets stat_ptr to start writing to the
+ regular list of statements again. Note that this will not work if
+ groups can occur inside anything else which can adjust stat_ptr,
+ but currently they can't. */
+
+void
+lang_leave_group ()
+{
+ stat_ptr = &statement_list;
+}
projects / binutils.git / blobdiff