# This shell script emits a C file. -*- C -*-
-# Copyright 1991, 1993, 1994, 1997, 1999, 2000, 2001
-# Free Software Foundation, Inc.
+# Copyright (C) 1991-2014 Free Software Foundation, Inc.
#
-# This file is part of GLD, the Gnu Linker.
+# This file is part of the GNU Binutils.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
#
# This file is sourced from elf32.em, and defines extra hppa-elf
# specific routines.
#
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
#include "ldctor.h"
#include "elf32-hppa.h"
-static void hppaelf_after_parse PARAMS((void));
-static void hppaelf_create_output_section_statements PARAMS ((void));
-static asection *hppaelf_add_stub_section
- PARAMS ((const char *, asection *));
-static void hppaelf_layout_sections_again PARAMS ((void));
-static void gld${EMULATION_NAME}_finish PARAMS ((void));
-
/* Fake input file for stubs. */
static lang_input_statement_type *stub_file;
and adds millicode library to the list of input files. */
static void
-hppaelf_after_parse ()
+hppaelf_after_parse (void)
{
- if (link_info.relocateable)
+ if (link_info.relocatable)
lang_add_unique (".text");
-#if 0 /* enable this once we split millicode stuff from libgcc */
- else
- lang_add_input_file ("milli",
- lang_input_file_is_l_enum,
- NULL);
-#endif
+
+ /* Enable this once we split millicode stuff from libgcc:
+ lang_add_input_file ("milli",
+ lang_input_file_is_l_enum,
+ NULL);
+ */
+
+ after_parse_default ();
}
/* This is called before the input files are opened. We create a new
fake input file to hold the stub sections. */
static void
-hppaelf_create_output_section_statements ()
+hppaelf_create_output_section_statements (void)
{
+ if (!(bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
+ && (elf_object_id (link_info.output_bfd) == HPPA32_ELF_DATA
+ || elf_object_id (link_info.output_bfd) == HPPA64_ELF_DATA)))
+ return;
+
stub_file = lang_add_input_file ("linker stubs",
lang_input_file_is_fake_enum,
NULL);
- stub_file->the_bfd = bfd_create ("linker stubs", output_bfd);
+ stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
if (stub_file->the_bfd == NULL
|| ! bfd_set_arch_mach (stub_file->the_bfd,
- bfd_get_arch (output_bfd),
- bfd_get_mach (output_bfd)))
+ bfd_get_arch (link_info.output_bfd),
+ bfd_get_mach (link_info.output_bfd)))
{
einfo ("%X%P: can not create BFD %E\n");
return;
}
+ stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
ldlang_add_file (stub_file);
}
/* Traverse the linker tree to find the spot where the stub goes. */
-static boolean hook_in_stub
- PARAMS ((struct hook_stub_info *, lang_statement_union_type **));
-
-static boolean
-hook_in_stub (info, lp)
- struct hook_stub_info *info;
- lang_statement_union_type **lp;
+static bfd_boolean
+hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
{
lang_statement_union_type *l;
- boolean ret;
+ bfd_boolean ret;
for (; (l = *lp) != NULL; lp = &l->header.next)
{
before its associated input section. */
*lp = info->add.head;
*(info->add.tail) = l;
- return true;
+ return TRUE;
}
break;
break;
}
}
- return false;
+ return FALSE;
}
immediately before INPUT_SECTION. */
static asection *
-hppaelf_add_stub_section (stub_sec_name, input_section)
- const char *stub_sec_name;
- asection *input_section;
+hppaelf_add_stub_section (const char *stub_sec_name, asection *input_section)
{
asection *stub_sec;
flagword flags;
asection *output_section;
- const char *secname;
lang_output_section_statement_type *os;
struct hook_stub_info info;
- stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name);
- if (stub_sec == NULL)
- goto err_ret;
-
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
| SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
- if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
+ stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
+ stub_sec_name, flags);
+ if (stub_sec == NULL)
goto err_ret;
output_section = input_section->output_section;
- secname = bfd_get_section_name (output_section->owner, output_section);
- os = lang_output_section_find (secname);
+ os = lang_output_section_get (output_section);
info.input_section = input_section;
lang_list_init (&info.add);
- lang_add_section (&info.add, stub_sec, os, stub_file);
+ lang_add_section (&info.add, stub_sec, NULL, os);
if (info.add.head == NULL)
goto err_ret;
/* Another call-back for elf32_hppa_size_stubs. */
static void
-hppaelf_layout_sections_again ()
+hppaelf_layout_sections_again (void)
{
/* If we have changed sizes of the stub sections, then we need
to recalculate all the section offsets. This may mean we need to
add even more stubs. */
- need_laying_out = 0;
+ gld${EMULATION_NAME}_map_segments (TRUE);
+ need_laying_out = -1;
+}
- /* Resize the sections. */
- lang_size_sections (stat_ptr->head, abs_output_section,
- &stat_ptr->head, 0, (bfd_vma) 0, NULL);
- /* Redo special stuff. */
- ldemul_after_allocation ();
+static void
+build_section_lists (lang_statement_union_type *statement)
+{
+ if (statement->header.type == lang_input_section_enum)
+ {
+ asection *i = statement->input_section.section;
- /* Do the assignments again. */
- lang_do_assignments (stat_ptr->head, abs_output_section,
- (fill_type) 0, (bfd_vma) 0);
+ if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
+ && (i->flags & SEC_EXCLUDE) == 0
+ && i->output_section != NULL
+ && i->output_section->owner == link_info.output_bfd)
+ {
+ elf32_hppa_next_input_section (&link_info, i);
+ }
+ }
}
-/* Final emulation specific call. For the PA we use this opportunity
- to build linker stubs. */
+/* For the PA we use this opportunity to size and build linker stubs. */
static void
-gld${EMULATION_NAME}_finish ()
+gld${EMULATION_NAME}_after_allocation (void)
{
- /* If generating a relocatable output file, then we don't
- have to examine the relocs. */
- if (link_info.relocateable)
- return;
-
- /* bfd_elf32_discard_info just plays with debugging sections,
- ie. doesn't affect any code, so we can delay resizing the
+ /* bfd_elf_discard_info just plays with data and debugging sections,
+ ie. doesn't affect code size, so we can delay resizing the
sections. It's likely we'll resize everything in the process of
adding stubs. */
- if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info))
+ if (bfd_elf_discard_info (link_info.output_bfd, &link_info))
need_laying_out = 1;
- /* Call into the BFD backend to do the real work. */
- if (! elf32_hppa_size_stubs (output_bfd,
- stub_file->the_bfd,
- &link_info,
- multi_subspace,
- group_size,
- &hppaelf_add_stub_section,
- &hppaelf_layout_sections_again))
+ /* If generating a relocatable output file, then we don't
+ have to examine the relocs. */
+ if (stub_file != NULL && !link_info.relocatable)
{
- einfo ("%X%P: can not size stub section: %E\n");
- return;
- }
+ int ret = elf32_hppa_setup_section_lists (link_info.output_bfd,
+ &link_info);
- if (need_laying_out)
- hppaelf_layout_sections_again ();
+ if (ret != 0)
+ {
+ if (ret < 0)
+ {
+ einfo ("%X%P: can not size stub section: %E\n");
+ return;
+ }
- /* Set the global data pointer. */
- if (! elf32_hppa_set_gp (output_bfd, &link_info))
- {
- einfo ("%X%P: can not set gp\n");
- return;
+ lang_for_each_statement (build_section_lists);
+
+ /* Call into the BFD backend to do the real work. */
+ if (! elf32_hppa_size_stubs (link_info.output_bfd,
+ stub_file->the_bfd,
+ &link_info,
+ multi_subspace,
+ group_size,
+ &hppaelf_add_stub_section,
+ &hppaelf_layout_sections_again))
+ {
+ einfo ("%X%P: can not size stub section: %E\n");
+ return;
+ }
+ }
}
- /* Now build the linker stubs. */
- if (stub_file->the_bfd->sections != NULL)
+ if (need_laying_out != -1)
+ gld${EMULATION_NAME}_map_segments (need_laying_out);
+
+ if (! link_info.relocatable)
{
- if (! elf32_hppa_build_stubs (&link_info))
- einfo ("%X%P: can not build stubs: %E\n");
+ /* Set the global data pointer. */
+ if (! elf32_hppa_set_gp (link_info.output_bfd, &link_info))
+ {
+ einfo ("%X%P: can not set gp\n");
+ return;
+ }
+
+ /* Now build the linker stubs. */
+ if (stub_file != NULL && stub_file->the_bfd->sections != NULL)
+ {
+ if (! elf32_hppa_build_stubs (&link_info))
+ einfo ("%X%P: can not build stubs: %E\n");
+ }
}
}
/* Avoid processing the fake stub_file in vercheck, stat_needed and
check_needed routines. */
-static void hppa_for_each_input_file_wrapper
- PARAMS ((lang_input_statement_type *));
-static void hppa_lang_for_each_input_file
- PARAMS ((void (*) (lang_input_statement_type *)));
-
-static void (*real_func) PARAMS ((lang_input_statement_type *));
+static void (*real_func) (lang_input_statement_type *);
-static void hppa_for_each_input_file_wrapper (l)
- lang_input_statement_type *l;
+static void hppa_for_each_input_file_wrapper (lang_input_statement_type *l)
{
if (l != stub_file)
(*real_func) (l);
}
static void
-hppa_lang_for_each_input_file (func)
- void (*func) PARAMS ((lang_input_statement_type *));
+hppa_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
{
real_func = func;
lang_for_each_input_file (&hppa_for_each_input_file_wrapper);
#define OPTION_STUBGROUP_SIZE (OPTION_MULTI_SUBSPACE + 1)
'
-# The options are repeated below so that no abbreviations are allowed.
-# Otherwise -s matches stub-group-size
PARSE_AND_LIST_LONGOPTS='
{ "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
- { "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
- { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
'
PARSE_AND_LIST_OPTIONS='
fprintf (file, _("\
- --multi-subspace Generate import and export stubs to support\n\
- multiple sub-space shared libraries\n"
+ --multi-subspace Generate import and export stubs to support\n\
+ multiple sub-space shared libraries\n"
));
fprintf (file, _("\
- --stub-group-size=N Maximum size of a group of input sections that can be\n\
- handled by one stub section. A negative value\n\
- locates all stubs before their branches (with a\n\
- group size of -N), while a positive value allows\n\
- two groups of input sections, one before, and one\n\
- after each stub section. Values of +/-1 indicate\n\
- the linker should choose suitable defaults.\n"
+ --stub-group-size=N Maximum size of a group of input sections that\n\
+ can be handled by one stub section. A negative\n\
+ value locates all stubs before their branches\n\
+ (with a group size of -N), while a positive\n\
+ value allows two groups of input sections, one\n\
+ before, and one after each stub section.\n\
+ Values of +/-1 indicate the linker should\n\
+ choose suitable defaults.\n"
));
'
# Put these extra hppaelf routines in ld_${EMULATION_NAME}_emulation
#
LDEMUL_AFTER_PARSE=hppaelf_after_parse
-LDEMUL_FINISH=gld${EMULATION_NAME}_finish
+LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=hppaelf_create_output_section_statements
projects / deliverable / binutils-gdb.git / blobdiff