# This shell script emits a C file. -*- C -*-
-# It does some substitutions.
-if [ -z "$MACHINE" ]; then
+# Copyright 1994, 1995, 1997, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
+# Free Software Foundation, Inc.
+#
+# This file is part of the GNU Binutils.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+if [ -z "$MACHINE" ]; then
OUTPUT_ARCH=${ARCH}
else
OUTPUT_ARCH=${ARCH}:${MACHINE}
fi
-cat >e${EMULATION_NAME}.c <<EOF
-/* This file is is generated by a shell script. DO NOT EDIT! */
-
-/* Handle embedded relocs for MIPS.
- Copyright 1994, 1995, 1997, 2000, 2002, 2003
- 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_${EMULATION_NAME}
-
-#include "bfd.h"
-#include "sysdep.h"
-#include "bfdlink.h"
-
-#include "ld.h"
-#include "ldmain.h"
-#include "ldmisc.h"
-
-#include "ldexp.h"
-#include "ldlang.h"
-#include "ldfile.h"
-#include "ldemul.h"
-
-static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
-static void gld${EMULATION_NAME}_after_open PARAMS ((void));
-static void check_sections PARAMS ((bfd *, asection *, PTR));
-static void gld${EMULATION_NAME}_after_allocation PARAMS ((void));
-static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
-
+fragment <<EOF
static void
-gld${EMULATION_NAME}_before_parse()
+gld${EMULATION_NAME}_before_parse (void)
{
#ifndef TARGET_ /* I.e., if not generic. */
- const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}");
- if (arch)
- {
- ldfile_output_architecture = arch->arch;
- ldfile_output_machine = arch->mach;
- ldfile_output_machine_name = arch->printable_name;
- }
- else
- ldfile_output_architecture = bfd_arch_${ARCH};
+ ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
#endif /* not TARGET_ */
}
-
-/* This function is run after all the input files have been opened.
- We create a .rel.sdata section for each input file with a non zero
- .sdata section. The BFD backend will fill in these sections with
- magic numbers which can be used to relocate the data section at run
- time. This will only do the right thing if all the input files
- have been compiled using -membedded-pic. */
-
-static void
-gld${EMULATION_NAME}_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;
-
- /* As first-order business, make sure that each input BFD is ECOFF. It
- better be, as we are directly calling an ECOFF backend function. */
- if (bfd_get_flavour (abfd) != bfd_target_ecoff_flavour)
- einfo ("%F%B: all input objects must be ECOFF for --embedded-relocs\n");
-
- 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\n");
- }
-
- /* 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 ("%B%X: section %s has relocs; can not use --embedded-relocs\n",
- 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
-gld${EMULATION_NAME}_after_allocation ()
-{
- bfd *abfd;
-
- if (! command_line.embedded_relocs
- || link_info.relocateable)
- return;
-
- for (abfd = link_info.input_bfds; abfd != NULL; abfd = abfd->link_next)
- {
- asection *datasec, *relsec;
- char *errmsg;
-
- datasec = bfd_get_section_by_name (abfd, ".sdata");
-
- if (datasec == NULL || datasec->reloc_count == 0)
- continue;
-
- relsec = bfd_get_section_by_name (abfd, ".rel.sdata");
- ASSERT (relsec != NULL);
-
- if (! bfd_mips_ecoff_create_embedded_relocs (abfd, &link_info,
- datasec, relsec,
- &errmsg))
- {
- if (errmsg == NULL)
- einfo ("%B%X: can not create runtime reloc information: %E\n",
- abfd);
- else
- einfo ("%X%B: can not create runtime reloc information: %s\n",
- abfd, errmsg);
- }
- }
-}
-
-static char *
-gld${EMULATION_NAME}_get_script(isfile)
- int *isfile;
-EOF
-
-if test -n "$COMPILE_IN"
-then
-# Scripts compiled in.
-
-# sed commands to quote an ld script as a C string.
-sc="-f stringify.sed"
-
-cat >>e${EMULATION_NAME}.c <<EOF
-{
- *isfile = 0;
-
- if (link_info.relocateable && config.build_constructors)
- return
-EOF
-sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
-echo ' ; else if (link_info.relocateable) return' >> e${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${EMULATION_NAME}.c
-echo ' ; else return' >> e${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${EMULATION_NAME}.c <<EOF
-{
- *isfile = 1;
-
- if (link_info.relocateable && config.build_constructors)
- return "ldscripts/${EMULATION_NAME}.xu";
- else if (link_info.relocateable)
- return "ldscripts/${EMULATION_NAME}.xr";
- else if (!config.text_read_only)
- return "ldscripts/${EMULATION_NAME}.xbn";
- else if (!config.magic_demand_paged)
- return "ldscripts/${EMULATION_NAME}.xn";
- else
- return "ldscripts/${EMULATION_NAME}.x";
-}
EOF
-fi
-
-cat >>e${EMULATION_NAME}.c <<EOF
-
-struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
-{
- gld${EMULATION_NAME}_before_parse,
- syslib_default,
- hll_default,
- after_parse_default,
- gld${EMULATION_NAME}_after_open,
- gld${EMULATION_NAME}_after_allocation,
- set_output_arch_default,
- ldemul_default_target,
- before_allocation_default,
- gld${EMULATION_NAME}_get_script,
- "${EMULATION_NAME}",
- "${OUTPUT_FORMAT}",
- NULL, /* finish */
- NULL, /* create output section statements */
- NULL, /* open dynamic archive */
- NULL, /* place orphan */
- NULL, /* set symbols */
- NULL, /* parse args */
- NULL, /* add_options */
- NULL, /* handle_option */
- NULL, /* unrecognized file */
- NULL, /* list options */
- NULL, /* recognized file */
- NULL, /* find_potential_libraries */
- NULL /* new_vers_pattern */
-};
-EOF
+LDEMUL_BEFORE_PARSE=gld${EMULATION_NAME}_before_parse
projects / deliverable / binutils-gdb.git / blobdiff