# This shell script emits a C file. -*- C -*-
-# It does some substitutions.
-cat >e${EMULATION_NAME}.c <<EOF
-/* This file is is generated by a shell script. DO NOT EDIT! */
-
-/* An emulation for HP PA-RISC ELF linkers.
- Copyright (C) 1991, 93, 94, 95, 97, 99, 2000
- Free Software Foundation, Inc.
- Written by Steve Chamberlain steve@cygnus.com
-
-This file is part of GLD, the Gnu Linker.
-
-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
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "bfd.h"
-#include "sysdep.h"
-#include <ctype.h>
-#include "bfdlink.h"
-
-#include "ld.h"
-#include "ldmain.h"
-#include "ldmisc.h"
-#include "ldexp.h"
-#include "ldlang.h"
-#include "ldfile.h"
-#include "ldemul.h"
-#include "ldgram.h"
+# Copyright 1991, 1993, 1994, 1997, 1999, 2000, 2001, 2002, 2003, 2004,
+# 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
+#
+# 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 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+# This file is sourced from elf32.em, and defines extra hppa-elf
+# specific routines.
+#
+fragment <<EOF
+
#include "ldctor.h"
#include "elf32-hppa.h"
-static void hppaelf_before_parse PARAMS ((void));
-static void hppaelf_set_output_arch PARAMS ((void));
-static void hppaelf_create_output_section_statements PARAMS ((void));
-static void hppaelf_delete_padding_statements
- PARAMS ((lang_statement_list_type *list));
-static void hppaelf_finish PARAMS ((void));
-static boolean gld${EMULATION_NAME}_place_orphan
- PARAMS ((lang_input_statement_type *, asection *));
-static lang_output_section_statement_type *output_rel_find PARAMS ((void));
-static char *hppaelf_get_script PARAMS ((int *));
-
/* Fake input file for stubs. */
static lang_input_statement_type *stub_file;
-/* Perform some emulation specific initialization. For PA ELF we set
- up the local label prefix and the output architecture. */
+/* Type of import/export stubs to build. For a single sub-space model,
+ we can build smaller import stubs and there is no need for export
+ stubs. */
+static int multi_subspace = 0;
-static void
-hppaelf_before_parse ()
-{
- ldfile_output_architecture = bfd_arch_hppa;
-}
+/* Whether we need to call hppa_layout_sections_again. */
+static int need_laying_out = 0;
+
+/* Maximum size of a group of input sections that can be handled by
+ one stub section. A value of +/-1 indicates the bfd back-end
+ should use a suitable default size. */
+static bfd_signed_vma group_size = 1;
-/* Set the output architecture and machine. */
+/* Stops the linker merging .text sections on a relocatable link,
+ and adds millicode library to the list of input files. */
static void
-hppaelf_set_output_arch()
+hppaelf_after_parse (void)
{
- unsigned long machine = 0;
+ if (link_info.relocatable)
+ lang_add_unique (".text");
- bfd_set_arch_mach (output_bfd, ldfile_output_architecture, machine);
+ /* 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);
}
-/* Walk all the lang statements splicing out any padding statements from
- the list. */
-
-static void
-hppaelf_delete_padding_statements (list)
- lang_statement_list_type *list;
-{
- lang_statement_union_type *s;
- lang_statement_union_type **ps;
- for (ps = &list->head; (s = *ps) != NULL; ps = &s->next)
- {
- switch (s->header.type)
- {
-
- /* We want to recursively walk these sections. */
- case lang_constructors_statement_enum:
- hppaelf_delete_padding_statements (&constructor_list);
- break;
-
- case lang_output_section_statement_enum:
- hppaelf_delete_padding_statements (&s->output_section_statement.children);
- break;
-
- case lang_group_statement_enum:
- hppaelf_delete_padding_statements (&s->group_statement.children);
- break;
-
- case lang_wild_statement_enum:
- hppaelf_delete_padding_statements (&s->wild_statement.children);
- break;
-
- /* Here's what we are really looking for. Splice these out of
- the list. */
- case lang_padding_statement_enum:
- *ps = s->next;
- if (*ps == NULL)
- list->tail = ps;
- break;
-
- /* We don't care about these cases. */
- case lang_data_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_assignment_statement_enum:
- case lang_address_statement_enum:
- break;
-
- default:
- abort ();
- break;
- }
- }
-}
-
struct hook_stub_info
{
/* Traverse the linker tree to find the spot where the stub goes. */
-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->next)
+ for (; (l = *lp) != NULL; lp = &l->header.next)
{
switch (l->header.type)
{
before its associated input section. */
*lp = info->add.head;
*(info->add.tail) = l;
- return true;
+ return TRUE;
}
break;
break;
}
}
- return false;
+ return FALSE;
}
+
/* Call-back for elf32_hppa_size_stubs. */
/* Create a new stub section, and arrange for it to be linked
immediately before INPUT_SECTION. */
static asection *
-hppaelf_add_stub_section (stub_name, input_section)
- const char *stub_name;
- asection *input_section;
+hppaelf_add_stub_section (const char *stub_sec_name, asection *input_section)
{
asection *stub_sec;
flagword flags;
lang_output_section_statement_type *os;
struct hook_stub_info info;
- stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_name);
- if (stub_sec == NULL)
- goto err_ret;
-
flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
- | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
- if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
+ | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
+ 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;
info.input_section = input_section;
lang_list_init (&info.add);
- wild_doit (&info.add, stub_sec, os, stub_file);
+ lang_add_section (&info.add, stub_sec, os);
if (info.add.head == NULL)
goto err_ret;
return NULL;
}
+
/* Another call-back for elf32_hppa_size_stubs. */
static void
-hppaelf_layaout_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. */
-
- /* Delete all the padding statements, they're no longer valid. */
- hppaelf_delete_padding_statements (stat_ptr);
-
- /* Resize the sections. */
- lang_size_sections (stat_ptr->head, abs_output_section,
- &stat_ptr->head, 0, (bfd_vma) 0, false);
-
- /* Redo special stuff. */
- ldemul_after_allocation ();
-
- /* Do the assignments again. */
- lang_do_assignments (stat_ptr->head, abs_output_section,
- (fill_type) 0, (bfd_vma) 0);
+ gld${EMULATION_NAME}_map_segments (TRUE);
+ need_laying_out = -1;
}
-/* Final emulation specific call. For the PA we use this opportunity
- to build linker stubs. */
-
static void
-hppaelf_finish ()
+build_section_lists (lang_statement_union_type *statement)
{
- /* If generating a relocateable output file, then we don't
- have to examine the relocs. */
- if (link_info.relocateable)
- return;
-
- /* Call into the BFD backend to do the real work. */
- if (elf32_hppa_size_stubs (stub_file->the_bfd,
- &link_info,
- &hppaelf_add_stub_section,
- &hppaelf_layaout_sections_again) == false)
+ if (statement->header.type == lang_input_section_enum)
{
- einfo ("%X%P: can not size stub section: %E\n");
- return;
- }
+ asection *i = statement->input_section.section;
- /* Now build the linker stubs. */
- if (stub_file->the_bfd->sections != NULL)
- {
- if (elf32_hppa_build_stubs (stub_file->the_bfd, &link_info) == false)
- einfo ("%X%P: can not build stubs: %E\n");
+ if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
+ && (i->flags & SEC_EXCLUDE) == 0
+ && i->output_section != NULL
+ && i->output_section->owner == link_info.output_bfd)
+ {
+ elf32_hppa_next_input_section (&link_info, i);
+ }
}
}
-/* Place an orphan section. We use this to put random SHF_ALLOC
- sections in the right segment. */
-
-struct orphan_save
-{
- lang_output_section_statement_type *os;
- asection **section;
- lang_statement_union_type **stmt;
-};
+/* For the PA we use this opportunity to size and build linker stubs. */
-/*ARGSUSED*/
-static boolean
-gld${EMULATION_NAME}_place_orphan (file, s)
- lang_input_statement_type *file;
- asection *s;
+static void
+gld${EMULATION_NAME}_after_allocation (void)
{
- static struct orphan_save hold_text;
- static struct orphan_save hold_rodata;
- static struct orphan_save hold_data;
- static struct orphan_save hold_bss;
- static struct orphan_save hold_rel;
- static struct orphan_save hold_interp;
- struct orphan_save *place;
- lang_statement_list_type *old;
- lang_statement_list_type add;
- etree_type *address;
- const char *secname, *ps;
- const char *outsecname;
- lang_output_section_statement_type *os;
-
- secname = bfd_get_section_name (s->owner, s);
-
- /* Look through the script to see where to place this section. */
- os = lang_output_section_find (secname);
-
- if (os != NULL
- && os->bfd_section != NULL
- && ((s->flags ^ os->bfd_section->flags) & (SEC_LOAD | SEC_ALLOC)) == 0)
- {
- /* We have already placed a section with this name. */
- wild_doit (&os->children, s, os, file);
- return true;
- }
-
- if (hold_text.os == NULL)
- hold_text.os = lang_output_section_find (".text");
-
- /* If this is a final link, then always put .gnu.warning.SYMBOL
- sections into the .text section to get them out of the way. */
- if (! link_info.shared
- && ! link_info.relocateable
- && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0
- && hold_text.os != NULL)
+ /* 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_discard_info (link_info.output_bfd, &link_info))
+ need_laying_out = 1;
+
+ /* If generating a relocatable output file, then we don't
+ have to examine the relocs. */
+ if (stub_file != NULL && !link_info.relocatable)
{
- wild_doit (&hold_text.os->children, s, hold_text.os, file);
- return true;
- }
+ int ret = elf32_hppa_setup_section_lists (link_info.output_bfd,
+ &link_info);
- /* Decide which segment the section should go in based on the
- section name and section flags. We put loadable .note sections
- right after the .interp section, so that the PT_NOTE segment is
- stored right after the program headers where the OS can read it
- in the first page. */
-#define HAVE_SECTION(hold, name) \
-(hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL)
-
- if (s->flags & SEC_EXCLUDE)
- return false;
- else if ((s->flags & SEC_ALLOC) == 0)
- place = NULL;
- else if ((s->flags & SEC_LOAD) != 0
- && strncmp (secname, ".note", 4) == 0
- && HAVE_SECTION (hold_interp, ".interp"))
- place = &hold_interp;
- else if ((s->flags & SEC_HAS_CONTENTS) == 0
- && HAVE_SECTION (hold_bss, ".bss"))
- place = &hold_bss;
- else if ((s->flags & SEC_READONLY) == 0
- && HAVE_SECTION (hold_data, ".data"))
- place = &hold_data;
- else if (strncmp (secname, ".rel", 4) == 0
- && (hold_rel.os != NULL
- || (hold_rel.os = output_rel_find ()) != NULL))
- place = &hold_rel;
- else if ((s->flags & SEC_CODE) == 0
- && (s->flags & SEC_READONLY) != 0
- && HAVE_SECTION (hold_rodata, ".rodata"))
- place = &hold_rodata;
- else if ((s->flags & SEC_READONLY) != 0
- && hold_text.os != NULL)
- place = &hold_text;
- else
- place = NULL;
-
-#undef HAVE_SECTION
-
- /* Choose a unique name for the section. This will be needed if the
- same section name appears in the input file with different
- loadable or allocateable characteristics. */
- outsecname = secname;
- if (bfd_get_section_by_name (output_bfd, outsecname) != NULL)
- {
- unsigned int len;
- char *newname;
- unsigned int i;
-
- len = strlen (outsecname);
- newname = xmalloc (len + 5);
- strcpy (newname, outsecname);
- i = 0;
- do
+ if (ret != 0)
{
- sprintf (newname + len, "%d", i);
- ++i;
- }
- while (bfd_get_section_by_name (output_bfd, newname) != NULL);
+ if (ret < 0)
+ {
+ einfo ("%X%P: can not size stub section: %E\n");
+ return;
+ }
- outsecname = newname;
- }
+ lang_for_each_statement (build_section_lists);
- if (place != NULL)
- {
- /* Start building a list of statements for this section. */
- old = stat_ptr;
- stat_ptr = &add;
- lang_list_init (stat_ptr);
-
- /* If the name of the section is representable in C, then create
- symbols to mark the start and the end of the section. */
- for (ps = outsecname; *ps != '\0'; ps++)
- if (! isalnum ((unsigned char) *ps) && *ps != '_')
- break;
- if (*ps == '\0' && config.build_constructors)
- {
- char *symname;
- etree_type *e_align;
-
- symname = (char *) xmalloc (ps - outsecname + sizeof "__start_");
- sprintf (symname, "__start_%s", outsecname);
- e_align = exp_unop (ALIGN_K,
- exp_intop ((bfd_vma) 1 << s->alignment_power));
- lang_add_assignment (exp_assop ('=', symname, e_align));
+ /* 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;
+ }
}
}
- if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0)
- address = exp_intop ((bfd_vma) 0);
- else
- address = NULL;
+ if (need_laying_out != -1)
+ gld${EMULATION_NAME}_map_segments (need_laying_out);
- os = lang_enter_output_section_statement (outsecname, address, 0,
- (bfd_vma) 0,
- (etree_type *) NULL,
- (etree_type *) NULL,
- (etree_type *) NULL);
-
- wild_doit (&os->children, s, os, file);
-
- lang_leave_output_section_statement
- ((bfd_vma) 0, "*default*",
- (struct lang_output_section_phdr_list *) NULL, "*default*");
-
- if (place != NULL)
+ if (! link_info.relocatable)
{
- asection *snew, **pps;
-
- stat_ptr = &add;
-
- if (*ps == '\0' && config.build_constructors)
- {
- char *symname;
-
- symname = (char *) xmalloc (ps - outsecname + sizeof "__stop_");
- sprintf (symname, "__stop_%s", outsecname);
- lang_add_assignment (exp_assop ('=', symname,
- exp_nameop (NAME, ".")));
- }
- stat_ptr = old;
-
- snew = os->bfd_section;
- if (place->os->bfd_section != NULL || place->section != NULL)
+ /* Set the global data pointer. */
+ if (! elf32_hppa_set_gp (link_info.output_bfd, &link_info))
{
- /* Shuffle the section to make the output file look neater. */
- if (place->section == NULL)
- {
-#if 0
- /* Finding the end of the list is a little tricky. We
- make a wild stab at it by comparing section flags. */
- flagword first_flags = place->os->bfd_section->flags;
- for (pps = &place->os->bfd_section->next;
- *pps != NULL && (*pps)->flags == first_flags;
- pps = &(*pps)->next)
- ;
- place->section = pps;
-#else
- /* Put orphans after the first section on the list. */
- place->section = &place->os->bfd_section->next;
-#endif
- }
-
- /* Unlink the section. */
- for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next)
- ;
- *pps = snew->next;
-
- /* Now tack it on to the "place->os" section list. */
- snew->next = *place->section;
- *place->section = snew;
+ einfo ("%X%P: can not set gp\n");
+ return;
}
- place->section = &snew->next; /* Save the end of this list. */
- if (place->stmt == NULL)
- {
- /* Put the new statement list right at the head. */
- *add.tail = place->os->header.next;
- place->os->header.next = add.head;
- }
- else
+ /* Now build the linker stubs. */
+ if (stub_file != NULL && stub_file->the_bfd->sections != NULL)
{
- /* Put it after the last orphan statement we added. */
- *add.tail = *place->stmt;
- *place->stmt = add.head;
+ if (! elf32_hppa_build_stubs (&link_info))
+ einfo ("%X%P: can not build stubs: %E\n");
}
- place->stmt = add.tail; /* Save the end of this list. */
}
-
- return true;
}
-/* A variant of lang_output_section_find. */
-static lang_output_section_statement_type *
-output_rel_find ()
-{
- lang_statement_union_type *u;
- lang_output_section_statement_type *lookup;
- for (u = lang_output_section_statement.head;
- u != (lang_statement_union_type *) NULL;
- u = lookup->next)
- {
- lookup = &u->output_section_statement;
- if (strncmp (".rel", lookup->name, 4) == 0
- && lookup->bfd_section != NULL
- && (lookup->bfd_section->flags & SEC_ALLOC) != 0)
- {
- return lookup;
- }
- }
- return (lang_output_section_statement_type *) NULL;
-}
-
-/* The script itself gets inserted here. */
-
-static char *
-hppaelf_get_script(isfile)
- int *isfile;
-EOF
-
-if test -n "$COMPILE_IN"
-then
-# Scripts compiled in.
+/* Avoid processing the fake stub_file in vercheck, stat_needed and
+ check_needed routines. */
-# sed commands to quote an ld script as a C string.
-sc="-f stringify.sed"
+static void (*real_func) (lang_input_statement_type *);
-cat >>e${EMULATION_NAME}.c <<EOF
+static void hppa_for_each_input_file_wrapper (lang_input_statement_type *l)
{
- *isfile = 0;
-
- if (link_info.relocateable == true && config.build_constructors == true)
- return
-EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c
-echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c
-
-if test -n "$GENERATE_SHLIB_SCRIPT" ; then
-echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c
-fi
-
-echo ' ; else return' >> e${EMULATION_NAME}.c
-sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c
-echo '; }' >> e${EMULATION_NAME}.c
-
-else
-# Scripts read from the filesystem.
-
-cat >>e${EMULATION_NAME}.c <<EOF
-{
- *isfile = 1;
-
- if (link_info.relocateable == true && config.build_constructors == true)
- return "ldscripts/${EMULATION_NAME}.xu";
- else if (link_info.relocateable == true)
- return "ldscripts/${EMULATION_NAME}.xr";
- else if (!config.text_read_only)
- return "ldscripts/${EMULATION_NAME}.xbn";
- else if (!config.magic_demand_paged)
- return "ldscripts/${EMULATION_NAME}.xn";
- else if (link_info.shared)
- return "ldscripts/${EMULATION_NAME}.xs";
- else
- return "ldscripts/${EMULATION_NAME}.x";
+ if (l != stub_file)
+ (*real_func) (l);
}
-EOF
-fi
+static void
+hppa_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
+{
+ real_func = func;
+ lang_for_each_input_file (&hppa_for_each_input_file_wrapper);
+}
-cat >>e${EMULATION_NAME}.c <<EOF
+#define lang_for_each_input_file hppa_lang_for_each_input_file
-struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
-{
- hppaelf_before_parse,
- syslib_default,
- hll_default,
- after_parse_default,
- after_open_default,
- after_allocation_default,
- hppaelf_set_output_arch,
- ldemul_default_target,
- before_allocation_default,
- hppaelf_get_script,
- "${EMULATION_NAME}",
- "elf32-hppa",
- hppaelf_finish,
- hppaelf_create_output_section_statements,
- NULL, /* open dynamic */
- gld${EMULATION_NAME}_place_orphan,
- NULL, /* set_symbols */
- NULL, /* parse_args */
- NULL, /* unrecognized_file */
- NULL, /* list_options */
- NULL, /* recognized_file */
- NULL /* find_potential_libraries */
-};
EOF
+
+# Define some shell vars to insert bits of code into the standard elf
+# parse_args and list_options functions.
+#
+PARSE_AND_LIST_PROLOGUE='
+#define OPTION_MULTI_SUBSPACE 301
+#define OPTION_STUBGROUP_SIZE (OPTION_MULTI_SUBSPACE + 1)
+'
+
+PARSE_AND_LIST_LONGOPTS='
+ { "multi-subspace", no_argument, NULL, OPTION_MULTI_SUBSPACE },
+ { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
+'
+
+PARSE_AND_LIST_OPTIONS='
+ fprintf (file, _("\
+ --multi-subspace Generate import and export stubs to support\n\
+ multiple sub-space shared libraries\n"
+ ));
+ fprintf (file, _("\
+ --stub-group-size=N Maximum size of a group of input sections that\n\
+ can be handled by one stub section. A negative\n\
+ value locates all stubs before their branches\n\
+ (with a group size of -N), while a positive\n\
+ value allows two groups of input sections, one\n\
+ before, and one after each stub section.\n\
+ Values of +/-1 indicate the linker should\n\
+ choose suitable defaults.\n"
+ ));
+'
+
+PARSE_AND_LIST_ARGS_CASES='
+ case OPTION_MULTI_SUBSPACE:
+ multi_subspace = 1;
+ break;
+
+ case OPTION_STUBGROUP_SIZE:
+ {
+ const char *end;
+ group_size = bfd_scan_vma (optarg, &end, 0);
+ if (*end)
+ einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
+ }
+ break;
+'
+
+# Put these extra hppaelf routines in ld_${EMULATION_NAME}_emulation
+#
+LDEMUL_AFTER_PARSE=hppaelf_after_parse
+LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
+LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=hppaelf_create_output_section_statements