darling-gdb/ld/emultempl/lnk960.em

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# This shell script emits a C file. -*- C -*-
# It does some substitutions.
cat >e${EMULATION_NAME}.c <<EOF
/* intel coff loader emulation specific stuff
Copyright 1991, 1992, 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
2005, 2007 Free Software Foundation, Inc.
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Written by Steve Chamberlain steve@cygnus.com
This file is part of GLD, the Gnu Linker.
GLD 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, or (at your option)
any later version.
GLD 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 GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#include "sysdep.h"
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#include "libiberty.h"
#include "bfd.h"
#include "bfdlink.h"
/*#include "archures.h"*/
#include "ld.h"
#include "ldmain.h"
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#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
#include "ldfile.h"
#include "ldemul.h"
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typedef struct lib_list {
char *name;
struct lib_list *next;
} lib_list_type;
static lib_list_type *hll_list;
static lib_list_type **hll_list_tail = &hll_list;
static lib_list_type *syslib_list;
static lib_list_type **syslib_list_tail = &syslib_list;
static void
append (lib_list_type ***list, char *name)
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{
lib_list_type *element = (lib_list_type *) xmalloc (sizeof (lib_list_type));
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element->name = name;
element->next = (lib_list_type *) NULL;
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**list = element;
*list = &element->next;
}
static bfd_boolean had_hll = FALSE;
static bfd_boolean had_hll_name = FALSE;
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static void
lnk960_hll (char *name)
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{
had_hll = TRUE;
if (name != (char *) NULL)
{
had_hll_name = TRUE;
append (&hll_list_tail, name);
}
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}
static void
lnk960_syslib (char *name)
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{
append (&syslib_list_tail, name);
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}
static void
lnk960_before_parse (void)
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{
char *name = getenv ("I960BASE");
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if (name == (char *) NULL)
{
name = getenv("G960BASE");
if (name == (char *) NULL)
einfo ("%P%F I960BASE and G960BASE not set\n");
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}
ldfile_add_library_path (concat (name, "/lib", NULL), FALSE);
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ldfile_output_architecture = bfd_arch_i960;
ldfile_output_machine = bfd_mach_i960_core;
}
static void
add_on (lib_list_type *list, lang_input_file_enum_type search)
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{
while (list)
{
lang_add_input_file (list->name, search, (char *) NULL);
list = list->next;
}
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}
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static void
lnk960_after_parse (void)
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{
/* If there has been no arch, default to -KB */
if (ldfile_output_machine_name[0] == 0)
ldfile_add_arch ("KB");
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/* if there has been no hll list then add our own */
if (had_hll && !had_hll_name)
{
append (&hll_list_tail, "cg");
if (ldfile_output_machine == bfd_mach_i960_ka_sa
|| ldfile_output_machine == bfd_mach_i960_ca)
append (&hll_list_tail, "fpg");
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}
add_on (hll_list, lang_input_file_is_l_enum);
add_on (syslib_list, lang_input_file_is_search_file_enum);
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}
static void
lnk960_after_allocation (void)
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{
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if (!link_info.relocatable)
{
lang_abs_symbol_at_end_of (".text", "_etext");
lang_abs_symbol_at_end_of (".data", "_edata");
lang_abs_symbol_at_beginning_of (".bss", "_bss_start");
lang_abs_symbol_at_end_of (".bss", "_end");
}
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}
static struct
{
unsigned long number;
char *name;
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}
machine_table[] =
{
{ bfd_mach_i960_core ,"CORE" },
{ bfd_mach_i960_kb_sb ,"KB" },
{ bfd_mach_i960_kb_sb ,"SB" },
{ bfd_mach_i960_mc ,"MC" },
{ bfd_mach_i960_xa ,"XA" },
{ bfd_mach_i960_ca ,"CA" },
{ bfd_mach_i960_ka_sa ,"KA" },
{ bfd_mach_i960_ka_sa ,"SA" },
{ bfd_mach_i960_jx ,"JX" },
{ bfd_mach_i960_hx ,"HX" },
{ bfd_mach_i960_core ,"core" },
{ bfd_mach_i960_kb_sb ,"kb" },
{ bfd_mach_i960_kb_sb ,"sb" },
{ bfd_mach_i960_mc ,"mc" },
{ bfd_mach_i960_xa ,"xa" },
{ bfd_mach_i960_ca ,"ca" },
{ bfd_mach_i960_ka_sa ,"ka" },
{ bfd_mach_i960_ka_sa ,"sa" },
{ bfd_mach_i960_jx ,"jx" },
{ bfd_mach_i960_hx ,"hx" },
{ 0, (char *) NULL }
};
static void
lnk960_set_output_arch (void)
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{
/* Set the output architecture and machine if possible */
unsigned int i;
ldfile_output_machine = bfd_mach_i960_core;
for (i= 0; machine_table[i].name != (char*) NULL; i++)
{
if (strcmp (ldfile_output_machine_name, machine_table[i].name) == 0)
{
ldfile_output_machine = machine_table[i].number;
break;
}
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}
bfd_set_arch_mach (output_bfd, ldfile_output_architecture,
ldfile_output_machine);
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}
static char *
lnk960_choose_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
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{
char *from_outside = getenv (TARGET_ENVIRON);
if (from_outside != (char *) NULL)
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return from_outside;
#ifdef LNK960_LITTLE
return "coff-Intel-little";
#else
return "coff-Intel-big";
#endif
}
static char *
lnk960_get_script (int *isfile)
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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"
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cat >>e${EMULATION_NAME}.c <<EOF
{
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*isfile = 0;
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if (link_info.relocatable && config.build_constructors)
return
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EOF
sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c
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echo ' ; else if (link_info.relocatable) return' >> e${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
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else
# Scripts read from the filesystem.
cat >>e${EMULATION_NAME}.c <<EOF
{
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*isfile = 1;
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if (link_info.relocatable && config.build_constructors)
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return "ldscripts/${EMULATION_NAME}.xu";
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else if (link_info.relocatable)
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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_lnk960_emulation =
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{
lnk960_before_parse,
lnk960_syslib,
lnk960_hll,
lnk960_after_parse,
NULL, /* after_open */
lnk960_after_allocation,
lnk960_set_output_arch,
lnk960_choose_target,
bfd/ * section.c (struct bfd_section): Replace link_order_head and link_order_tail with map_head and map_tail union. (STD_SECTION): Update. (_bfd_strip_section_from_output): Delete. * aoutx.h: Update throughout for above changes. * coff-ppc.c: Likewise. * cofflink.c: Likewise. * ecoff.c: Likewise. * elf-eh-frame.c: Likewise. * elf-m10300.c: Likewise. * elf.c: Likewise. * elf32-arm.c: Likewise. * elf32-cris.c: Likewise. * elf32-hppa.c: Likewise. * elf32-i386.c: Likewise. * elf32-m32r.c: Likewise. * elf32-m68hc1x.c: Likewise. * elf32-m68k.c: Likewise. * elf32-ppc.c: Likewise. * elf32-s390.c: Likewise. * elf32-sh.c: Likewise. * elf32-vax.c: Likewise. * elf32-xtensa.c: Likewise. * elf64-alpha.c: Likewise. * elf64-hppa.c: Likewise. * elf64-ppc.c: Likewise. * elf64-s390.c: Likewise. * elf64-sh64.c: Likewise. * elf64-x86-64.c: Likewise. * elflink.c: Likewise. * elfxx-ia64.c: Likewise. * elfxx-mips.c: Likewise. * elfxx-sparc.c: Likewise. * linker.c: Likewise. * merge.c: Likewise. * pdp11.c: Likewise. * xcofflink.c: Likewise. * elflink.c (bfd_boolean bfd_elf_size_dynsym_hash_dynstr): Split out from bfd_elf_size_dynamic_sections. * bfd-in.h (bfd_boolean bfd_elf_size_dynsym_hash_dynstr): Declare. * bfd-in2.h: Regenerate. ld/ * ldemul.c: Include bfdlink.h. (ldemul_before_allocation): Assume before_allocation is non-zero. (before_allocation_default): Call strip_excluded_output_sections. * ldlang.c (stripped_excluded_sections): New variable. (lang_add_section): Build input section list for each output section, attached via map_head and map_tail pointers. (strip_excluded_output_sections): Make global. Traverse the input section lists to find which output sections can go. Clear link_order pointers and set stripped_excluded_sections. (lang_process): Call strip_excluded_output_sections. * ldlang.h (strip_excluded_output_sections): Declare. * ldwrite.c: Update throuhout for link_order_head -> map_head change. * emultempl/aix.em (before_allocation): Call strip_excluded_output_sections. * emultempl/armcoff.em (before_allocation): Likewise. * emultempl/beos.em (before_allocation): Likewise. * emultempl/linux.em (before_allocation): Likewise. * emultempl/pe.em (before_allocation): Likewise. * emultempl/sunos.em (before_allocation): Likewise. * emultempl/elf32.em (before_allocation): Likewise. Call bfd_elf_size_dynsym_hash_dynstr too. * emultempl/lnk960.em (lnk960_before_allocation): Delete. (ld_lnk960): Use before_allocation_default.
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before_allocation_default,
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lnk960_get_script,
"lnk960",
"",
finish_default,
NULL, /* create output section statements */
NULL, /* open dynamic archive */
NULL, /* place orphan */
NULL, /* set symbols */
NULL, /* parse args */
* ldemul.c (ldemul_add_options, ldemul_handle_option): New functions. (ldemul_parse_args): Return bfd_boolean. Formatting. * ldemul.h (ldemul_add_options, ldemul_handle_option): Declare. (ldemul_parse_args): Adjust. (struct ld_emulation_xfer_struct): Add add_options and handle_option. Return bfd_boolean from parse_args. * lexsup.c (parse_args): Malloc shortopts, longopts and really_longopts. Call ldemul_add_options and ldemul_handle_option. * emultempl/aix.em (gld${EMULATION_NAME}_add_options): Split out from gld${EMULATION_NAME}_parse_args. (gld${EMULATION_NAME}_handle_option): Likewise. (ld_${EMULATION_NAME}_emulation): Adjust initializer. * emultempl/armcoff.em: As for aix.em, but remove parse_args. * emultempl/beos.em: Likewise. * emultempl/pe.em: Likewise. * emultempl/ticoff.em: Likewise. * emultempl/elf32.em: Likewise. Don't duplicate long options either. (gld${EMULATION_NAME}_add_sysroot): Prototype. * emultempl/armelf.em (PARSE_AND_LIST_LONGOPTS): Don't duplicate options. * emultempl/hppaelf.em (PARSE_AND_LIST_LONGOPTS): Likewise. * emultempl/ppc32elf.em (PARSE_AND_LIST_LONGOPTS): Likewise. * emultempl/ppc64elf.em (PARSE_AND_LIST_LONGOPTS): Likewise. * emultempl/armelf_oabi.em (ld_${EMULATION_NAME}_emulation): Adjust initializer. * emultempl/generic.em: Likewise. * emultempl/gld960.em: Likewise. * emultempl/gld960c.em: Likewise. * emultempl/linux.em: Likewise. * emultempl/lnk960.em: Likewise. * emultempl/m68kcoff.em: Likewise. * emultempl/mipsecoff.em: Likewise. * emultempl/sunos.em: Likewise. * emultempl/vanilla.em: Likewise. * emultempl/netbsd.em (gldnetbsd_before_parse): Prototype.
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NULL, /* add_options */
NULL, /* handle_option */
NULL, /* unrecognized file */
NULL, /* list options */
NULL, /* recognized file */
NULL, /* find_potential_libraries */
NULL /* new_vers_pattern */
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};
EOF