/* Linker command language support.
- Copyright (C) 1991-2014 Free Software Foundation, Inc.
+ Copyright (C) 1991-2015 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
#include "demangle.h"
#include "hashtab.h"
#include "libbfd.h"
+#include "elf-bfd.h"
#ifdef ENABLE_PLUGINS
#include "plugin.h"
#endif /* ENABLE_PLUGINS */
#define obstack_chunk_free free
static const char *entry_symbol_default = "start";
static bfd_boolean placed_commons = FALSE;
-static bfd_boolean stripped_excluded_sections = FALSE;
+static bfd_boolean map_head_is_link_order = FALSE;
static lang_output_section_statement_type *default_common_section;
static bfd_boolean map_option_f;
static bfd_vma print_dot;
static lang_input_statement_type *first_file;
static const char *current_target;
static lang_statement_list_type statement_list;
-static struct bfd_hash_table lang_definedness_table;
static lang_statement_list_type *stat_save[10];
static lang_statement_list_type **stat_save_ptr = &stat_save[0];
static struct unique_sections *unique_section_list;
/* Forward declarations. */
static void exp_init_os (etree_type *);
static lang_input_statement_type *lookup_name (const char *);
-static struct bfd_hash_entry *lang_definedness_newfunc
- (struct bfd_hash_entry *, struct bfd_hash_table *, const char *);
static void insert_undefined (const char *);
static bfd_boolean sort_def_symbol (struct bfd_link_hash_entry *, void *);
static void print_statement (lang_statement_union_type *,
static void lang_do_version_exports_section (void);
static void lang_finalize_version_expr_head
(struct bfd_elf_version_expr_head *);
+static void lang_do_memory_regions (void);
/* Exported variables. */
const char *output_target;
struct unique_sections *unam;
const char *secnam;
- if (link_info.relocatable
+ if (bfd_link_relocatable (&link_info)
&& sec->owner != NULL
&& bfd_is_group_section (sec->owner, sec))
return !(os != NULL
lang_input_file_enum_type file_type,
const char *target)
{
+ if (name != NULL && *name == '=')
+ {
+ lang_input_statement_type *ret;
+ char *sysrooted_name
+ = concat (ld_sysroot, name + 1, (const char *) NULL);
+
+ /* We've now forcibly prepended the sysroot, making the input
+ file independent of the context. Therefore, temporarily
+ force a non-sysrooted context for this statement, so it won't
+ get the sysroot prepended again when opened. (N.B. if it's a
+ script, any child nodes with input files starting with "/"
+ will be handled as "sysrooted" as they'll be found to be
+ within the sysroot subdirectory.) */
+ unsigned int outer_sysrooted = input_flags.sysrooted;
+ input_flags.sysrooted = 0;
+ ret = new_afile (sysrooted_name, file_type, target, TRUE);
+ input_flags.sysrooted = outer_sysrooted;
+ return ret;
+ }
+
return new_afile (name, file_type, target, TRUE);
}
abs_output_section->bfd_section = bfd_abs_section_ptr;
- /* The value "13" is ad-hoc, somewhat related to the expected number of
- assignments in a linker script. */
- if (!bfd_hash_table_init_n (&lang_definedness_table,
- lang_definedness_newfunc,
- sizeof (struct lang_definedness_hash_entry),
- 13))
- einfo (_("%P%F: can not create hash table: %E\n"));
-
asneeded_list_head = NULL;
asneeded_list_tail = &asneeded_list_head;
}
void
lang_finish (void)
{
- bfd_hash_table_free (&lang_definedness_table);
output_section_statement_table_free ();
}
new_region->name_list.name = xstrdup (name);
new_region->name_list.next = NULL;
new_region->next = NULL;
+ new_region->origin_exp = NULL;
new_region->origin = 0;
+ new_region->length_exp = NULL;
new_region->length = ~(bfd_size_type) 0;
new_region->current = 0;
new_region->last_os = NULL;
push_stat_ptr (&add);
}
- if (link_info.relocatable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
+ if (bfd_link_relocatable (&link_info)
+ || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
address = exp_intop (0);
os_tail = ((lang_output_section_statement_type **)
format targets, .text$foo sections go into .text and it's odd
to see .text with SEC_LINK_ONCE set. */
- if (!link_info.relocatable)
+ if (!bfd_link_relocatable (&link_info))
flags &= ~(SEC_LINK_ONCE | SEC_LINK_DUPLICATES | SEC_RELOC);
switch (output->sectype)
section->output_section = output->bfd_section;
- if (!link_info.relocatable
- && !stripped_excluded_sections)
+ if (!map_head_is_link_order)
{
asection *s = output->bfd_section->map_tail.s;
output->bfd_section->map_tail.s = section;
ASSERT (link_info.output_bfd == NULL);
open_output (statement->output_statement.name);
ldemul_set_output_arch ();
- if (config.magic_demand_paged && !link_info.relocatable)
+ if (config.magic_demand_paged
+ && !bfd_link_relocatable (&link_info))
link_info.output_bfd->flags |= D_PAGED;
else
link_info.output_bfd->flags &= ~D_PAGED;
|| (bfd_get_format (abfd) == bfd_object
&& ((abfd->flags) & DYNAMIC) != 0
&& s->input_statement.flags.add_DT_NEEDED_for_regular
- && plugin_should_reload (abfd))))
+ && bfd_get_flavour (abfd) == bfd_target_elf_flavour
+ && (elf_dyn_lib_class (abfd) & DYN_AS_NEEDED) != 0)))
{
s->input_statement.flags.loaded = FALSE;
s->input_statement.flags.reload = TRUE;
einfo ("%F");
}
-/* New-function for the definedness hash table. */
-
-static struct bfd_hash_entry *
-lang_definedness_newfunc (struct bfd_hash_entry *entry,
- struct bfd_hash_table *table ATTRIBUTE_UNUSED,
- const char *name ATTRIBUTE_UNUSED)
-{
- struct lang_definedness_hash_entry *ret
- = (struct lang_definedness_hash_entry *) entry;
-
- if (ret == NULL)
- ret = (struct lang_definedness_hash_entry *)
- bfd_hash_allocate (table, sizeof (struct lang_definedness_hash_entry));
-
- if (ret == NULL)
- einfo (_("%P%F: bfd_hash_allocate failed creating symbol %s\n"), name);
-
- ret->by_object = 0;
- ret->by_script = 0;
- ret->iteration = 0;
- return &ret->root;
-}
-
-/* Called during processing of linker script script expressions.
- For symbols assigned in a linker script, return a struct describing
- where the symbol is defined relative to the current expression,
- otherwise return NULL. */
-
-struct lang_definedness_hash_entry *
-lang_symbol_defined (const char *name)
-{
- return ((struct lang_definedness_hash_entry *)
- bfd_hash_lookup (&lang_definedness_table, name, FALSE, FALSE));
-}
-
-/* Update the definedness state of NAME. */
-
-void
-lang_update_definedness (const char *name, struct bfd_link_hash_entry *h)
-{
- struct lang_definedness_hash_entry *defentry
- = (struct lang_definedness_hash_entry *)
- bfd_hash_lookup (&lang_definedness_table, name, TRUE, FALSE);
-
- if (defentry == NULL)
- einfo (_("%P%F: bfd_hash_lookup failed creating symbol %s\n"), name);
-
- /* If the symbol was already defined, and not by a script, then it
- must be defined by an object file. */
- if (!defentry->by_script
- && h->type != bfd_link_hash_undefined
- && h->type != bfd_link_hash_common
- && h->type != bfd_link_hash_new)
- defentry->by_object = 1;
-
- defentry->by_script = 1;
- defentry->iteration = lang_statement_iteration;
-}
-
/* Add the supplied name to the symbol table as an undefined reference.
This is a two step process as the symbol table doesn't even exist at
the time the ld command line is processed. First we put the name
insert_undefined (ptr->name);
}
+/* Structure used to build the list of symbols that the user has required
+ be defined. */
+
+struct require_defined_symbol
+{
+ const char *name;
+ struct require_defined_symbol *next;
+};
+
+/* The list of symbols that the user has required be defined. */
+
+static struct require_defined_symbol *require_defined_symbol_list;
+
+/* Add a new symbol NAME to the list of symbols that are required to be
+ defined. */
+
+void
+ldlang_add_require_defined (const char * const name)
+{
+ struct require_defined_symbol *ptr;
+
+ ldlang_add_undef (name, TRUE);
+ ptr = (struct require_defined_symbol *) stat_alloc (sizeof (*ptr));
+ ptr->next = require_defined_symbol_list;
+ ptr->name = strdup (name);
+ require_defined_symbol_list = ptr;
+}
+
+/* Check that all symbols the user required to be defined, are defined,
+ raise an error if we find a symbol that is not defined. */
+
+static void
+ldlang_check_require_defined_symbols (void)
+{
+ struct require_defined_symbol *ptr;
+
+ for (ptr = require_defined_symbol_list; ptr != NULL; ptr = ptr->next)
+ {
+ struct bfd_link_hash_entry *h;
+
+ h = bfd_link_hash_lookup (link_info.hash, ptr->name,
+ FALSE, FALSE, TRUE);
+ if (h == NULL
+ || (h->type != bfd_link_hash_defined
+ && h->type != bfd_link_hash_defweak))
+ einfo(_("%P%X: required symbol `%s' not defined\n"), ptr->name);
+ }
+}
+
/* Check for all readonly or some readwrite sections. */
static void
}
}
- /* TODO: Don't just junk map_head.s, turn them into link_orders. */
- output_section->map_head.link_order = NULL;
- output_section->map_tail.link_order = NULL;
-
if (exclude)
{
/* We don't set bfd_section to NULL since bfd_section of the
link_info.output_bfd->section_count--;
}
}
+}
+
+/* Called from ldwrite to clear out asection.map_head and
+ asection.map_tail for use as link_orders in ldwrite.
+ FIXME: Except for sh64elf.em which starts creating link_orders in
+ its after_allocation routine so needs to call it early. */
+
+void
+lang_clear_os_map (void)
+{
+ lang_output_section_statement_type *os;
+
+ if (map_head_is_link_order)
+ return;
+
+ for (os = &lang_output_section_statement.head->output_section_statement;
+ os != NULL;
+ os = os->next)
+ {
+ asection *output_section;
+
+ if (os->constraint < 0)
+ continue;
+
+ output_section = os->bfd_section;
+ if (output_section == NULL)
+ continue;
+
+ /* TODO: Don't just junk map_head.s, turn them into link_orders. */
+ output_section->map_head.link_order = NULL;
+ output_section->map_tail.link_order = NULL;
+ }
/* Stop future calls to lang_add_section from messing with map_head
and map_tail link_order fields. */
- stripped_excluded_sections = TRUE;
+ map_head_is_link_order = TRUE;
}
static void
osec = output_section->bfd_section;
if (osec == NULL)
osec = bfd_abs_section_ptr;
- exp_fold_tree (tree, osec, &print_dot);
+
+ if (assignment->exp->type.node_class != etree_provide)
+ exp_fold_tree (tree, osec, &print_dot);
+ else
+ expld.result.valid_p = FALSE;
+
if (expld.result.valid_p)
{
bfd_vma value;
}
else
{
- minfo ("*undef* ");
+ if (assignment->exp->type.node_class == etree_provide)
+ minfo ("[!provide]");
+ else
+ minfo ("*undef* ");
#ifdef BFD64
minfo (" ");
#endif
here, in lang_insert_orphan, or in the default linker scripts.
This is covering for coff backend linker bugs. See PR6945. */
if (os->addr_tree == NULL
- && link_info.relocatable
+ && bfd_link_relocatable (&link_info)
&& (bfd_get_flavour (link_info.output_bfd)
== bfd_target_coff_flavour))
os->addr_tree = exp_intop (0);
defined, issue an error message. */
if (!os->ignored
&& !IGNORE_SECTION (os->bfd_section)
- && ! link_info.relocatable
+ && !bfd_link_relocatable (&link_info)
&& check_regions
&& strcmp (os->region->name_list.name,
DEFAULT_MEMORY_REGION) == 0
&& dot >= (r->last_os->output_section_statement
.bfd_section->vma)))
&& os->lma_region == NULL
- && !link_info.relocatable)
+ && !bfd_link_relocatable (&link_info))
r->last_os = s;
/* .tbss sections effectively have zero size. */
if ((os->bfd_section->flags & SEC_HAS_CONTENTS) != 0
|| (os->bfd_section->flags & SEC_THREAD_LOCAL) == 0
- || link_info.relocatable)
+ || bfd_link_relocatable (&link_info))
dotdelta = TO_ADDR (os->bfd_section->size);
else
dotdelta = 0;
if (expld.dataseg.phase == exp_dataseg_end_seen
&& link_info.relro && expld.dataseg.relro_end)
{
- /* If DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END pair was seen, try
- to put expld.dataseg.relro_end on a (common) page boundary. */
- bfd_vma min_base, relro_end, maxpage;
+ bfd_vma initial_base, relro_end, desired_end;
+ asection *sec;
- expld.dataseg.phase = exp_dataseg_relro_adjust;
- maxpage = expld.dataseg.maxpagesize;
- /* MIN_BASE is the absolute minimum address we are allowed to start the
- read-write segment (byte before will be mapped read-only). */
- min_base = (expld.dataseg.min_base + maxpage - 1) & ~(maxpage - 1);
- expld.dataseg.base += (-expld.dataseg.relro_end
- & (expld.dataseg.pagesize - 1));
/* Compute the expected PT_GNU_RELRO segment end. */
relro_end = ((expld.dataseg.relro_end + expld.dataseg.pagesize - 1)
& ~(expld.dataseg.pagesize - 1));
- if (min_base + maxpage < expld.dataseg.base)
- {
- expld.dataseg.base -= maxpage;
- relro_end -= maxpage;
- }
+
+ /* Adjust by the offset arg of DATA_SEGMENT_RELRO_END. */
+ desired_end = relro_end - expld.dataseg.relro_offset;
+
+ /* For sections in the relro segment.. */
+ for (sec = link_info.output_bfd->section_last; sec; sec = sec->prev)
+ if (!IGNORE_SECTION (sec)
+ && sec->vma >= expld.dataseg.base
+ && sec->vma < expld.dataseg.relro_end - expld.dataseg.relro_offset)
+ {
+ /* Where do we want to put this section so that it ends as
+ desired? */
+ bfd_vma start = sec->vma;
+ bfd_vma end = start + sec->size;
+ bfd_vma bump = desired_end - end;
+ /* We'd like to increase START by BUMP, but we must heed
+ alignment so the increase might be less than optimum. */
+ start += bump & ~(((bfd_vma) 1 << sec->alignment_power) - 1);
+ /* This is now the desired end for the previous section. */
+ desired_end = start;
+ }
+
+ expld.dataseg.phase = exp_dataseg_relro_adjust;
+ ASSERT (desired_end >= expld.dataseg.base);
+ initial_base = expld.dataseg.base;
+ expld.dataseg.base = desired_end;
lang_reset_memory_regions ();
one_lang_size_sections_pass (relax, check_regions);
+
if (expld.dataseg.relro_end > relro_end)
{
- /* The alignment of sections between DATA_SEGMENT_ALIGN
- and DATA_SEGMENT_RELRO_END can cause excessive padding to
- be inserted at DATA_SEGMENT_RELRO_END. Try to start a
- bit lower so that the section alignments will fit in. */
- asection *sec;
- unsigned int max_alignment_power = 0;
-
- /* Find maximum alignment power of sections between
- DATA_SEGMENT_ALIGN and DATA_SEGMENT_RELRO_END. */
- for (sec = link_info.output_bfd->sections; sec; sec = sec->next)
- if (sec->vma >= expld.dataseg.base
- && sec->vma < expld.dataseg.relro_end
- && sec->alignment_power > max_alignment_power)
- max_alignment_power = sec->alignment_power;
-
- if (((bfd_vma) 1 << max_alignment_power) < expld.dataseg.pagesize)
- {
- /* Aligning the adjusted base guarantees the padding
- between sections won't change. This is better than
- simply subtracting 1 << max_alignment_power which is
- what we used to do here. */
- expld.dataseg.base &= ~((1 << max_alignment_power) - 1);
- lang_reset_memory_regions ();
- one_lang_size_sections_pass (relax, check_regions);
- }
+ /* Assignments to dot, or to output section address in a
+ user script have increased padding over the original.
+ Revert. */
+ expld.dataseg.base = initial_base;
+ lang_reset_memory_regions ();
+ one_lang_size_sections_pass (relax, check_regions);
}
+
link_info.relro_start = expld.dataseg.base;
link_info.relro_end = expld.dataseg.relro_end;
}
/* .tbss sections effectively have zero size. */
if ((os->bfd_section->flags & SEC_HAS_CONTENTS) != 0
|| (os->bfd_section->flags & SEC_THREAD_LOCAL) == 0
- || link_info.relocatable)
+ || bfd_link_relocatable (&link_info))
dot += TO_ADDR (os->bfd_section->size);
if (os->update_dot_tree != NULL)
{
asection *s;
- if (link_info.relocatable)
+ if (bfd_link_relocatable (&link_info))
return;
for (s = link_info.output_bfd->sections; s != NULL; s = s->next)
struct bfd_link_hash_entry *h;
bfd_boolean warn;
- if ((link_info.relocatable && !link_info.gc_sections)
- || (link_info.shared && !link_info.executable))
+ if ((bfd_link_relocatable (&link_info) && !link_info.gc_sections)
+ || bfd_link_dll (&link_info))
warn = entry_from_cmdline;
else
warn = TRUE;
/* Force the user to specify a root when generating a relocatable with
--gc-sections. */
- if (link_info.gc_sections && link_info.relocatable
+ if (link_info.gc_sections && bfd_link_relocatable (&link_info)
&& !(entry_from_cmdline || undef_from_cmdline))
einfo (_("%P%F: gc-sections requires either an entry or "
"an undefined symbol\n"));
input format may not have equivalent representations in
the output format (and besides BFD does not translate
relocs for other link purposes than a final link). */
- if ((link_info.relocatable || link_info.emitrelocations)
+ if ((bfd_link_relocatable (&link_info)
+ || link_info.emitrelocations)
&& (compatible == NULL
|| (bfd_get_flavour (input_bfd)
!= bfd_get_flavour (link_info.output_bfd)))
{
if (command_line.inhibit_common_definition)
return;
- if (link_info.relocatable
+ if (bfd_link_relocatable (&link_info)
&& ! command_line.force_common_definition)
return;
return TRUE;
}
+/* Handle a single orphan section S, placing the orphan into an appropriate
+ output section. The effects of the --orphan-handling command line
+ option are handled here. */
+
+static void
+ldlang_place_orphan (asection *s)
+{
+ if (config.orphan_handling == orphan_handling_discard)
+ {
+ lang_output_section_statement_type *os;
+ os = lang_output_section_statement_lookup (DISCARD_SECTION_NAME, 0,
+ TRUE);
+ if (os->addr_tree == NULL
+ && (bfd_link_relocatable (&link_info)
+ || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0))
+ os->addr_tree = exp_intop (0);
+ lang_add_section (&os->children, s, NULL, os);
+ }
+ else
+ {
+ lang_output_section_statement_type *os;
+ const char *name = s->name;
+ int constraint = 0;
+
+ if (config.orphan_handling == orphan_handling_error)
+ einfo ("%X%P: error: unplaced orphan section `%A' from `%B'.\n",
+ s, s->owner);
+
+ if (config.unique_orphan_sections || unique_section_p (s, NULL))
+ constraint = SPECIAL;
+
+ os = ldemul_place_orphan (s, name, constraint);
+ if (os == NULL)
+ {
+ os = lang_output_section_statement_lookup (name, constraint, TRUE);
+ if (os->addr_tree == NULL
+ && (bfd_link_relocatable (&link_info)
+ || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0))
+ os->addr_tree = exp_intop (0);
+ lang_add_section (&os->children, s, NULL, os);
+ }
+
+ if (config.orphan_handling == orphan_handling_warn)
+ einfo ("%P: warning: orphan section `%A' from `%B' being "
+ "placed in section `%s'.\n",
+ s, s->owner, os->name);
+ }
+}
+
/* 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. */
/* This is a lonely common section which must have
come from an archive. We attach to the section
with the wildcard. */
- if (! link_info.relocatable
+ if (!bfd_link_relocatable (&link_info)
|| command_line.force_common_definition)
{
if (default_common_section == NULL)
}
}
else
- {
- const char *name = s->name;
- int constraint = 0;
-
- if (config.unique_orphan_sections
- || unique_section_p (s, NULL))
- constraint = SPECIAL;
-
- if (!ldemul_place_orphan (s, name, constraint))
- {
- lang_output_section_statement_type *os;
- os = lang_output_section_statement_lookup (name,
- constraint,
- TRUE);
- if (os->addr_tree == NULL
- && (link_info.relocatable
- || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0))
- os->addr_tree = exp_intop (0);
- lang_add_section (&os->children, s, NULL, os);
- }
- }
+ ldlang_place_orphan (s);
}
}
}
flagword *ptr_flags;
ptr_flags = invert ? &ptr->not_flags : &ptr->flags;
+
while (*flags)
{
switch (*flags)
{
+ /* PR 17900: An exclamation mark in the attributes reverses
+ the sense of any of the attributes that follow. */
+ case '!':
+ invert = ! invert;
+ ptr_flags = invert ? &ptr->not_flags : &ptr->flags;
+ break;
+
case 'A': case 'a':
*ptr_flags |= SEC_ALLOC;
break;
break;
default:
- einfo (_("%P%F: invalid syntax in flags\n"));
+ einfo (_("%P%F: invalid character %c (%d) in flags\n"), * flags, * flags);
break;
}
flags++;
new_stmt = new_stat (lang_output_statement, stat_ptr);
new_stmt->name = output_filename;
-
}
/* Reset the current counters in the regions. */
/* SEC_EXCLUDE is ignored when doing a relocatable link, except in
the special case of debug info. (See bfd/stabs.c)
Twiddle the flag here, to simplify later linker code. */
- if (link_info.relocatable)
+ if (bfd_link_relocatable (&link_info))
{
LANG_FOR_EACH_INPUT_STATEMENT (f)
{
open_input_bfds (statement_list.head, OPEN_BFD_NORMAL);
#ifdef ENABLE_PLUGINS
- if (plugin_active_plugins_p ())
+ if (link_info.lto_plugin_active)
{
lang_statement_list_type added;
lang_statement_list_type files, inputfiles;
einfo (_("%P%F: %s: plugin reported error after all symbols read\n"),
plugin_error_plugin ());
/* Open any newly added files, updating the file chains. */
- link_info.loading_lto_outputs = TRUE;
open_input_bfds (*added.tail, OPEN_BFD_NORMAL);
/* Restore the global list pointer now they have all been added. */
lang_list_remove_tail (stat_ptr, &added);
link_info.gc_sym_list = &entry_symbol;
if (entry_symbol.name == NULL)
link_info.gc_sym_list = ldlang_undef_chain_list_head;
+ if (link_info.init_function != NULL)
+ {
+ struct bfd_sym_chain *sym
+ = (struct bfd_sym_chain *) stat_alloc (sizeof (*sym));
+ sym->next = link_info.gc_sym_list;
+ sym->name = link_info.init_function;
+ link_info.gc_sym_list = sym;
+ }
+ if (link_info.fini_function != NULL)
+ {
+ struct bfd_sym_chain *sym
+ = (struct bfd_sym_chain *) stat_alloc (sizeof (*sym));
+ sym->next = link_info.gc_sym_list;
+ sym->name = link_info.fini_function;
+ link_info.gc_sym_list = sym;
+ }
ldemul_after_open ();
if (config.map_file != NULL)
/* PR 13683: We must rerun the assignments prior to running garbage
collection in order to make sure that all symbol aliases are resolved. */
lang_do_assignments (lang_mark_phase_enum);
- expld.phase = lang_first_phase_enum;
- /* Remove unreferenced sections if asked to. */
- lang_gc_sections ();
+ lang_do_memory_regions();
+ expld.phase = lang_first_phase_enum;
/* Size up the common data. */
lang_common ();
+ /* Remove unreferenced sections if asked to. */
+ lang_gc_sections ();
+
/* Update wild statements. */
update_wild_statements (statement_list.head);
/* Find any sections not attached explicitly and handle them. */
lang_place_orphans ();
- if (! link_info.relocatable)
+ if (!bfd_link_relocatable (&link_info))
{
asection *found;
lang_record_phdrs ();
/* Check relro sections. */
- if (link_info.relro && ! link_info.relocatable)
+ if (link_info.relro && !bfd_link_relocatable (&link_info))
lang_find_relro_sections ();
/* Size up the sections. */
ldemul_finish ();
+ /* Convert absolute symbols to section relative. */
+ ldexp_finalize_syms ();
+
/* Make sure that the section addresses make sense. */
if (command_line.check_section_addresses)
lang_check_section_addresses ();
+ /* Check any required symbols are known. */
+ ldlang_check_require_defined_symbols ();
+
lang_end ();
}
lang_new_vers_node (greg, lreg), NULL);
}
+/* Evaluate LENGTH and ORIGIN parts of MEMORY spec */
+
+static void
+lang_do_memory_regions (void)
+{
+ lang_memory_region_type *r = lang_memory_region_list;
+
+ for (; r != NULL; r = r->next)
+ {
+ if (r->origin_exp)
+ {
+ exp_fold_tree_no_dot (r->origin_exp);
+ if (expld.result.valid_p)
+ {
+ r->origin = expld.result.value;
+ r->current = r->origin;
+ }
+ else
+ einfo (_("%F%P: invalid origin for memory region %s\n"), r->name_list.name);
+ }
+ if (r->length_exp)
+ {
+ exp_fold_tree_no_dot (r->length_exp);
+ if (expld.result.valid_p)
+ r->length = expld.result.value;
+ else
+ einfo (_("%F%P: invalid length for memory region %s\n"), r->name_list.name);
+ }
+ }
+}
+
void
lang_add_unique (const char *name)
{
p = q;
}
}
+
+/* Pretty print memory amount. */
+
+static void
+lang_print_memory_size (bfd_vma sz)
+{
+ if ((sz & 0x3fffffff) == 0)
+ printf ("%10" BFD_VMA_FMT "u GB", sz >> 30);
+ else if ((sz & 0xfffff) == 0)
+ printf ("%10" BFD_VMA_FMT "u MB", sz >> 20);
+ else if ((sz & 0x3ff) == 0)
+ printf ("%10" BFD_VMA_FMT "u KB", sz >> 10);
+ else
+ printf (" %10" BFD_VMA_FMT "u B", sz);
+}
+
+/* Implement --print-memory-usage: disply per region memory usage. */
+
+void
+lang_print_memory_usage (void)
+{
+ lang_memory_region_type *r;
+
+ printf ("Memory region Used Size Region Size %%age Used\n");
+ for (r = lang_memory_region_list; r->next != NULL; r = r->next)
+ {
+ bfd_vma used_length = r->current - r->origin;
+ double percent;
+
+ printf ("%16s: ",r->name_list.name);
+ lang_print_memory_size (used_length);
+ lang_print_memory_size ((bfd_vma) r->length);
+
+ percent = used_length * 100.0 / r->length;
+
+ printf (" %6.2f%%\n", percent);
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff