# This shell script emits a C file. -*- C -*-
-# Copyright 1991, 1993, 1994, 1997, 1999, 2000, 2001, 2002, 2003
-# Free Software Foundation, Inc.
+# Copyright (C) 1991-2019 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 m68hc12-elf
+# This file is sourced from elf.em, and defines extra m68hc12-elf
# and m68hc11-elf specific routines. It is used to generate the
# HC11/HC12 trampolines to call a far function by using a normal 'jsr/bsr'.
#
#
# Copied from hppaelf and adapted for M68HC11/M68HC12 specific needs.
#
-cat >>e${EMULATION_NAME}.c <<EOF
+fragment <<EOF
#include "ldctor.h"
#include "elf32-m68hc1x.h"
-static void m68hc11elf_create_output_section_statements PARAMS ((void));
-static asection *m68hc11elf_add_stub_section
- PARAMS ((const char *, asection *));
-static void gld${EMULATION_NAME}_finish PARAMS ((void));
-static void m68hc11_elf_${EMULATION_NAME}_before_allocation PARAMS ((void));
-
+static asection *m68hc11elf_add_stub_section (const char *, asection *);
/* Fake input file for stubs. */
static lang_input_statement_type *stub_file;
static const char* bank_window_name = 0;
static void
-m68hc11_elf_${EMULATION_NAME}_before_allocation ()
+m68hc11_elf_${EMULATION_NAME}_before_allocation (void)
{
lang_memory_region_type* region;
int ret;
gld${EMULATION_NAME}_before_allocation ();
+ if (bfd_get_flavour (link_info.output_bfd) != bfd_target_elf_flavour)
+ return;
+
/* If generating a relocatable output file, then we don't
have to generate the trampolines. */
- if (link_info.relocatable)
+ if (bfd_link_relocatable (&link_info))
return;
- ret = elf32_m68hc11_setup_section_lists (output_bfd, &link_info);
+ ret = elf32_m68hc11_setup_section_lists (link_info.output_bfd, &link_info);
if (ret != 0 && no_trampoline == 0)
{
if (ret < 0)
{
- einfo ("%X%P: can not size stub section: %E\n");
+ einfo (_("%X%P: can not size stub section: %E\n"));
return;
}
/* Call into the BFD backend to do the real work. */
- if (!elf32_m68hc11_size_stubs (output_bfd,
- stub_file->the_bfd,
- &link_info,
- &m68hc11elf_add_stub_section))
+ if (!elf32_m68hc11_size_stubs (link_info.output_bfd,
+ stub_file->the_bfd,
+ &link_info,
+ &m68hc11elf_add_stub_section))
{
- einfo ("%X%P: can not size stub section: %E\n");
+ einfo (_("%X%P: can not size stub section: %E\n"));
return;
}
}
But for 68HC11 this is board specific. The definition of such
memory region allows to control how this paged memory is accessed. */
- region = lang_memory_region_lookup (bank_window_name);
+ region = lang_memory_region_lookup (bank_window_name, FALSE);
/* Check the length to see if it was defined in the script. */
if (region->length != 0)
pinfo->bank_size = region->length;
pinfo->bank_shift = 0;
for (i = pinfo->bank_size; i != 0; i >>= 1)
- pinfo->bank_shift++;
+ pinfo->bank_shift++;
pinfo->bank_shift--;
pinfo->bank_size = 1L << pinfo->bank_shift;
pinfo->bank_mask = (1 << pinfo->bank_shift) - 1;
pinfo->bank_physical_end = region->origin + pinfo->bank_size;
if (pinfo->bank_size != region->length)
- {
- einfo (_("warning: the size of the 'window' memory region "
- "is not a power of 2\n"));
- einfo (_("warning: its size %d is truncated to %d\n"),
- region->length, pinfo->bank_size);
- }
+ {
+ einfo (_("%P: warning: the size of the 'window' memory region "
+ "is not a power of 2; its size %d is truncated to %d\n"),
+ region->length, pinfo->bank_size);
+ }
}
}
fake input file to hold the stub sections. */
static void
-m68hc11elf_create_output_section_statements ()
+m68hc11elf_create_output_section_statements (void)
{
+ if (bfd_get_flavour (link_info.output_bfd) != bfd_target_elf_flavour)
+ {
+ einfo (_("%X%P: changing output format whilst linking "
+ "is not supported\n"));
+ 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");
+ einfo (_("%F%P: can not create BFD: %E\n"));
return;
}
/* Traverse the linker tree to find the spot where the stub goes. */
-static bfd_boolean hook_in_stub
- PARAMS ((struct hook_stub_info *, lang_statement_union_type **));
-
static bfd_boolean
-hook_in_stub (info, lp)
- struct hook_stub_info *info;
- lang_statement_union_type **lp;
+hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
{
lang_statement_union_type *l;
bfd_boolean ret;
case lang_input_section_enum:
if (l->input_section.section == info->input_section
- || strcmp (bfd_get_section_name (output_section,
- l->input_section.section),
- bfd_get_section_name (output_section,
- info->input_section)) == 0)
+ || strcmp (bfd_section_name (l->input_section.section),
+ bfd_section_name (info->input_section)) == 0)
{
/* We've found our section. Insert the stub immediately
before its associated input section. */
immediately before INPUT_SECTION. */
static asection *
-m68hc11elf_add_stub_section (stub_sec_name, tramp_section)
- const char *stub_sec_name;
- asection *tramp_section;
+m68hc11elf_add_stub_section (const char *stub_sec_name,
+ asection *tramp_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 = tramp_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);
/* Try to put the new section at the same place as an existing
.tramp section. Such .tramp section exists in most cases and
at the correct place. */
info.input_section = tramp_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;
return stub_sec;
err_ret:
- einfo ("%X%P: can not make stub section: %E\n");
+ einfo (_("%X%P: can not make stub section: %E\n"));
return NULL;
}
-/* Final emulation specific call. For the 68HC12 we use this opportunity
- to build linker stubs. */
+/* For the 68HC12 we use this opportunity to build linker stubs. */
static void
-gld${EMULATION_NAME}_finish ()
+m68hc11elf_after_allocation (void)
{
- /* Now build the linker stubs. */
- if (stub_file->the_bfd->sections != NULL)
+ if (bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour)
{
- /* Call again the trampoline analyzer to initialize the trampoline
- stubs with the correct symbol addresses. Since there could have
- been relaxation, the symbol addresses that were found during
- first call may no longer be correct. */
- if (!elf32_m68hc11_size_stubs (output_bfd,
- stub_file->the_bfd,
- &link_info, 0))
+ /* Now build the linker stubs. */
+ if (stub_file->the_bfd->sections != NULL)
{
- einfo ("%X%P: can not size stub section: %E\n");
- return;
+ /* Call again the trampoline analyzer to initialize the trampoline
+ stubs with the correct symbol addresses. Since there could have
+ been relaxation, the symbol addresses that were found during
+ first call may no longer be correct. */
+ if (!elf32_m68hc11_size_stubs (link_info.output_bfd,
+ stub_file->the_bfd,
+ &link_info, 0))
+ {
+ einfo (_("%X%P: can not size stub section: %E\n"));
+ return;
+ }
+ if (!elf32_m68hc11_build_stubs (link_info.output_bfd, &link_info))
+ einfo (_("%X%P: can not build stubs: %E\n"));
}
- if (!elf32_m68hc11_build_stubs (output_bfd, &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 m68hc11_for_each_input_file_wrapper
- PARAMS ((lang_input_statement_type *));
-static void m68hc11_lang_for_each_input_file
- PARAMS ((void (*) (lang_input_statement_type *)));
-
-static void (*real_func) PARAMS ((lang_input_statement_type *));
-static void m68hc11_for_each_input_file_wrapper (l)
- lang_input_statement_type *l;
-{
- if (l != stub_file)
- (*real_func) (l);
-}
-
-static void
-m68hc11_lang_for_each_input_file (func)
- void (*func) PARAMS ((lang_input_statement_type *));
-{
- real_func = func;
- lang_for_each_input_file (&m68hc11_for_each_input_file_wrapper);
+ gld${EMULATION_NAME}_after_allocation ();
}
-#define lang_for_each_input_file m68hc11_lang_for_each_input_file
-
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_NO_TRAMPOLINE 300
-#define OPTION_BANK_WINDOW 301
+#define OPTION_NO_TRAMPOLINE 300
+#define OPTION_BANK_WINDOW 301
'
# The options are repeated below so that no abbreviations are allowed.
'
PARSE_AND_LIST_OPTIONS='
- fprintf (file, _(""
-" --no-trampoline Do not generate the far trampolines used to call\n"
-" a far function using 'jsr' or 'bsr'.\n"
-" --bank-window NAME Specify the name of the memory region describing\n"
-" the layout of the memory bank window.\n"
- ));
+ fprintf (file, _(
+" --no-trampoline Do not generate the far trampolines used to call\n"
+" a far function using 'jsr' or 'bsr'\n"));
+ fprintf (file, _(
+" --bank-window NAME Specify the name of the memory region describing\n"
+" the layout of the memory bank window\n"));
'
PARSE_AND_LIST_ARGS_CASES='
# Put these extra m68hc11elf routines in ld_${EMULATION_NAME}_emulation
#
LDEMUL_BEFORE_ALLOCATION=m68hc11_elf_${EMULATION_NAME}_before_allocation
-LDEMUL_FINISH=gld${EMULATION_NAME}_finish
+LDEMUL_AFTER_ALLOCATION=m68hc11elf_after_allocation
LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=m68hc11elf_create_output_section_statements
projects / deliverable / binutils-gdb.git / blobdiff