d66c832b59
* configure.host: New file. * configure.tgt: New file. * aclocal.m4: New file. * configure: New file, built by autoconf. * acconfig.h: New file. * config.h.in: New file, built by autoheader. * sysdep.h: New file. * ld.h: Incorporate old contents of config.h. * config.h: Remove. * Makefile.in: Various changes for new configure script. Also: (CC_FOR_BUILD): Remove. (ldmain.o): Don't bother to ensure that EMUL is non-empty. (dep.sed): Use @SRCDIR@, not @srcdir@. * dep-in.sed: Use @SRCDIR@, not @srcdir@. * genscripts.sh: Create ldscripts if it does not exist. * ldemul.c, lexsup.c, mpw-emipsidt.c: Don't include "config.h". * mpw-esh.c, emultemp/*.em: Likewise. * ldmain.c: Likewise. Include <ctype.h>. Don't try to set HAVE_SBRK here. * config/*.mt, config/*.mh: Remove.
431 lines
9.5 KiB
C
431 lines
9.5 KiB
C
/* This file is is generated by a shell script. DO NOT EDIT! */
|
|
|
|
/* Handle embedded relocs for MIPS.
|
|
Copyright 1994 Free Software Foundation, Inc.
|
|
Written by Ian Lance Taylor <ian@cygnus.com> based on generic.em.
|
|
|
|
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. */
|
|
|
|
#define TARGET_IS_mipsidt
|
|
|
|
#include "libiberty.h"
|
|
#include "bfd.h"
|
|
#include "sysdep.h"
|
|
#include "bfdlink.h"
|
|
|
|
#include "ld.h"
|
|
#include "ldmain.h"
|
|
#include "ldemul.h"
|
|
#include "ldfile.h"
|
|
#include "ldmisc.h"
|
|
|
|
static void gldmipsidt_before_parse PARAMS ((void));
|
|
static void gldmipsidt_after_open PARAMS ((void));
|
|
static void check_sections PARAMS ((bfd *, asection *, PTR));
|
|
static void gldmipsidt_after_allocation PARAMS ((void));
|
|
static char *gldmipsidt_get_script PARAMS ((int *isfile));
|
|
|
|
static void
|
|
gldmipsidt_before_parse()
|
|
{
|
|
#ifndef TARGET_ /* I.e., if not generic. */
|
|
ldfile_output_architecture = bfd_arch_mips;
|
|
#endif /* not TARGET_ */
|
|
}
|
|
|
|
/* This function is run after all the input files have been opened.
|
|
We create a .rel.sdata section for each input file with a non zero
|
|
.sdata section. The BFD backend will fill in these sections with
|
|
magic numbers which can be used to relocate the data section at run
|
|
time. This will only do the right thing if all the input files
|
|
have been compiled using -membedded-pic. */
|
|
|
|
static void
|
|
gldmipsidt_after_open ()
|
|
{
|
|
bfd *abfd;
|
|
|
|
if (! command_line.embedded_relocs
|
|
|| link_info.relocateable)
|
|
return;
|
|
|
|
for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
|
|
{
|
|
asection *datasec;
|
|
|
|
datasec = bfd_get_section_by_name (abfd, ".sdata");
|
|
|
|
/* Note that we assume that the reloc_count field has already
|
|
been set up. We could call bfd_get_reloc_upper_bound, but
|
|
that returns the size of a memory buffer rather than a reloc
|
|
count. We do not want to call bfd_canonicalize_reloc,
|
|
because although it would always work it would force us to
|
|
read in the relocs into BFD canonical form, which would waste
|
|
a significant amount of time and memory. */
|
|
if (datasec != NULL && datasec->reloc_count > 0)
|
|
{
|
|
asection *relsec;
|
|
|
|
relsec = bfd_make_section (abfd, ".rel.sdata");
|
|
if (relsec == NULL
|
|
|| ! bfd_set_section_flags (abfd, relsec,
|
|
(SEC_ALLOC
|
|
| SEC_LOAD
|
|
| SEC_HAS_CONTENTS
|
|
| SEC_IN_MEMORY))
|
|
|| ! bfd_set_section_alignment (abfd, relsec, 2)
|
|
|| ! bfd_set_section_size (abfd, relsec,
|
|
datasec->reloc_count * 4))
|
|
einfo ("%F%B: can not create .rel.sdata section: %E");
|
|
}
|
|
|
|
/* Double check that all other data sections are empty, as is
|
|
required for embedded PIC code. */
|
|
bfd_map_over_sections (abfd, check_sections, (PTR) datasec);
|
|
}
|
|
}
|
|
|
|
/* Check that of the data sections, only the .sdata section has
|
|
relocs. This is called via bfd_map_over_sections. */
|
|
|
|
static void
|
|
check_sections (abfd, sec, sdatasec)
|
|
bfd *abfd;
|
|
asection *sec;
|
|
PTR sdatasec;
|
|
{
|
|
if ((bfd_get_section_flags (abfd, sec) & SEC_CODE) == 0
|
|
&& sec != (asection *) sdatasec
|
|
&& sec->reloc_count != 0)
|
|
einfo ("%F%X: section %s has relocs; can not use --embedded-relocs",
|
|
abfd, bfd_get_section_name (abfd, sec));
|
|
}
|
|
|
|
/* This function is called after the section sizes and offsets have
|
|
been set. If we are generating embedded relocs, it calls a special
|
|
BFD backend routine to do the work. */
|
|
|
|
static void
|
|
gldmipsidt_after_allocation ()
|
|
{
|
|
bfd *abfd;
|
|
|
|
if (! command_line.embedded_relocs
|
|
|| link_info.relocateable)
|
|
return;
|
|
|
|
for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
|
|
{
|
|
asection *datasec, *relsec;
|
|
char *errmsg;
|
|
|
|
datasec = bfd_get_section_by_name (abfd, ".sdata");
|
|
|
|
if (datasec == NULL || datasec->reloc_count == 0)
|
|
continue;
|
|
|
|
relsec = bfd_get_section_by_name (abfd, ".rel.sdata");
|
|
ASSERT (relsec != NULL);
|
|
|
|
if (! bfd_mips_ecoff_create_embedded_relocs (abfd, &link_info,
|
|
datasec, relsec,
|
|
&errmsg))
|
|
{
|
|
if (errmsg == NULL)
|
|
einfo ("%B%X: can not create runtime reloc information: %E",
|
|
abfd);
|
|
else
|
|
einfo ("%X%B: can not create runtime reloc information: %s",
|
|
abfd, errmsg);
|
|
}
|
|
}
|
|
}
|
|
|
|
static char *
|
|
gldmipsidt_get_script(isfile)
|
|
int *isfile;
|
|
{
|
|
*isfile = 0;
|
|
|
|
if (link_info.relocateable == true && config.build_constructors == true)
|
|
return
|
|
concat(
|
|
"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\
|
|
\"ecoff-littlemips\")\n\
|
|
SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\
|
|
ENTRY(start)\n\
|
|
SECTIONS\n\
|
|
{\n\
|
|
.text : {\n\
|
|
;\n\
|
|
*(.init)\n\
|
|
;\n\
|
|
*(.text)\n\
|
|
*(.rel.sdata)\n\
|
|
*(.fini)\n\
|
|
;\n\
|
|
;\n\
|
|
}\n\
|
|
"," .rdata : {\n\
|
|
*(.rdata)\n\
|
|
}\n\
|
|
.data : {\n\
|
|
*(.data)\n\
|
|
CONSTRUCTORS\n\
|
|
}\n\
|
|
.lit8 : {\n\
|
|
*(.lit8)\n\
|
|
}\n\
|
|
.lit4 : {\n\
|
|
*(.lit4)\n\
|
|
}\n\
|
|
"," .sdata : {\n\
|
|
*(.sdata)\n\
|
|
}\n\
|
|
.sbss : {\n\
|
|
*(.sbss)\n\
|
|
*(.scommon)\n\
|
|
}\n\
|
|
.bss : {\n\
|
|
*(.bss)\n\
|
|
*(COMMON)\n\
|
|
}\n\
|
|
}\n\n", NULL)
|
|
; else if (link_info.relocateable == true) return
|
|
"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\
|
|
\"ecoff-littlemips\")\n\
|
|
SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\
|
|
ENTRY(start)\n\
|
|
SECTIONS\n\
|
|
{\n\
|
|
.text : {\n\
|
|
;\n\
|
|
*(.init)\n\
|
|
;\n\
|
|
*(.text)\n\
|
|
*(.rel.sdata)\n\
|
|
*(.fini)\n\
|
|
;\n\
|
|
;\n\
|
|
}\n\
|
|
.rdata : {\n\
|
|
*(.rdata)\n\
|
|
}\n\
|
|
.data : {\n\
|
|
*(.data)\n\
|
|
}\n\
|
|
.lit8 : {\n\
|
|
*(.lit8)\n\
|
|
}\n\
|
|
.lit4 : {\n\
|
|
*(.lit4)\n\
|
|
}\n\
|
|
.sdata : {\n\
|
|
*(.sdata)\n\
|
|
}\n\
|
|
.sbss : {\n\
|
|
*(.sbss)\n\
|
|
*(.scommon)\n\
|
|
}\n\
|
|
.bss : {\n\
|
|
*(.bss)\n\
|
|
*(COMMON)\n\
|
|
}\n\
|
|
}\n\n"
|
|
; else if (!config.text_read_only) return
|
|
concat(
|
|
"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\
|
|
\"ecoff-littlemips\")\n\
|
|
SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\
|
|
ENTRY(start)\n\
|
|
SECTIONS\n\
|
|
{\n\
|
|
. = 0xa0012000;\n\
|
|
.text : {\n\
|
|
_ftext = . ;\n\
|
|
*(.init)\n\
|
|
eprol = .;\n\
|
|
*(.text)\n\
|
|
PROVIDE (__runtime_reloc_start = .);\n\
|
|
*(.rel.sdata)\n\
|
|
PROVIDE (__runtime_reloc_stop = .);\n\
|
|
*(.fini)\n\
|
|
etext = .;\n\
|
|
_etext = .;\n\
|
|
"," }\n\
|
|
. = .;\n\
|
|
.rdata : {\n\
|
|
*(.rdata)\n\
|
|
}\n\
|
|
_fdata = ALIGN(16);\n\
|
|
.data : {\n\
|
|
*(.data)\n\
|
|
CONSTRUCTORS\n\
|
|
}\n\
|
|
_gp = ALIGN(16) + 0x8000;\n\
|
|
.lit8 : {\n\
|
|
*(.lit8)\n\
|
|
}\n\
|
|
.lit4 : {\n\
|
|
*(.lit4)\n\
|
|
}\n\
|
|
.sdata : {\n\
|
|
*(.sdata)\n\
|
|
}\n\
|
|
"," edata = .;\n\
|
|
_edata = .;\n\
|
|
_fbss = .;\n\
|
|
.sbss : {\n\
|
|
*(.sbss)\n\
|
|
*(.scommon)\n\
|
|
}\n\
|
|
.bss : {\n\
|
|
*(.bss)\n\
|
|
*(COMMON)\n\
|
|
}\n\
|
|
end = .;\n\
|
|
_end = .;\n\
|
|
}\n\n"
|
|
, NULL)
|
|
; else if (!config.magic_demand_paged) return
|
|
concat (
|
|
"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\
|
|
\"ecoff-littlemips\")\n\
|
|
SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\
|
|
ENTRY(start)\n\
|
|
SECTIONS\n\
|
|
{\n\
|
|
. = 0xa0012000;\n\
|
|
.text : {\n\
|
|
_ftext = . ;\n\
|
|
*(.init)\n\
|
|
eprol = .;\n\
|
|
*(.text)\n\
|
|
PROVIDE (__runtime_reloc_start = .);\n\
|
|
*(.rel.sdata)\n\
|
|
PROVIDE (__runtime_reloc_stop = .);\n\
|
|
*(.fini)\n\
|
|
etext = .;\n\
|
|
_etext = .;\n\
|
|
"," }\n\
|
|
. = .;\n\
|
|
.rdata : {\n\
|
|
*(.rdata)\n\
|
|
}\n\
|
|
_fdata = ALIGN(16);\n\
|
|
.data : {\n\
|
|
*(.data)\n\
|
|
CONSTRUCTORS\n\
|
|
}\n\
|
|
_gp = ALIGN(16) + 0x8000;\n\
|
|
.lit8 : {\n\
|
|
*(.lit8)\n\
|
|
"," }\n\
|
|
.lit4 : {\n\
|
|
*(.lit4)\n\
|
|
}\n\
|
|
.sdata : {\n\
|
|
*(.sdata)\n\
|
|
}\n\
|
|
edata = .;\n\
|
|
_edata = .;\n\
|
|
_fbss = .;\n\
|
|
.sbss : {\n\
|
|
*(.sbss)\n\
|
|
*(.scommon)\n\
|
|
"," }\n\
|
|
.bss : {\n\
|
|
*(.bss)\n\
|
|
*(COMMON)\n\
|
|
}\n\
|
|
end = .;\n\
|
|
_end = .;\n\
|
|
}\n\n"
|
|
, NULL)
|
|
; else return
|
|
concat (
|
|
"OUTPUT_FORMAT(\"ecoff-bigmips\", \"ecoff-bigmips\",\n\
|
|
\"ecoff-littlemips\")\n\
|
|
SEARCH_DIR(/usr/local/mips-idt-ecoff/lib);\n\
|
|
ENTRY(start)\n\
|
|
SECTIONS\n\
|
|
{\n\
|
|
. = 0xa0012000;\n\
|
|
.text : {\n\
|
|
_ftext = . ;\n\
|
|
*(.init)\n\
|
|
eprol = .;\n\
|
|
*(.text)\n\
|
|
PROVIDE (__runtime_reloc_start = .);\n\
|
|
*(.rel.sdata)\n\
|
|
PROVIDE (__runtime_reloc_stop = .);\n\
|
|
*(.fini)\n\
|
|
etext = .;\n\
|
|
_etext = .;\n\
|
|
"," }\n\
|
|
. = .;\n\
|
|
.rdata : {\n\
|
|
*(.rdata)\n\
|
|
}\n\
|
|
_fdata = ALIGN(16);\n\
|
|
.data : {\n\
|
|
*(.data)\n\
|
|
CONSTRUCTORS\n\
|
|
}\n\
|
|
_gp = ALIGN(16) + 0x8000;\n\
|
|
.lit8 : {\n\
|
|
*(.lit8)\n\
|
|
}\n\
|
|
.lit4 : {\n\
|
|
*(.lit4)\n\
|
|
"," }\n\
|
|
.sdata : {\n\
|
|
*(.sdata)\n\
|
|
}\n\
|
|
edata = .;\n\
|
|
_edata = .;\n\
|
|
_fbss = .;\n\
|
|
.sbss : {\n\
|
|
*(.sbss)\n\
|
|
*(.scommon)\n\
|
|
}\n\
|
|
.bss : {\n\
|
|
*(.bss)\n\
|
|
*(COMMON)\n\
|
|
}\n\
|
|
end = .;\n\
|
|
_end = .;\n\
|
|
}\n\n"
|
|
, NULL)
|
|
; }
|
|
|
|
struct ld_emulation_xfer_struct ld_mipsidt_emulation =
|
|
{
|
|
gldmipsidt_before_parse,
|
|
syslib_default,
|
|
hll_default,
|
|
after_parse_default,
|
|
gldmipsidt_after_open,
|
|
gldmipsidt_after_allocation,
|
|
set_output_arch_default,
|
|
ldemul_default_target,
|
|
before_allocation_default,
|
|
gldmipsidt_get_script,
|
|
"mipsidt",
|
|
"ecoff-bigmips"
|
|
};
|