/* ldemul.c -- clearing house for ld emulation states
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 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.
-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.
+ 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.
-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.
+ 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 GLD; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+ 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. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "getopt.h"
+#include "bfdlink.h"
+#include "ctf-api.h"
#include "ld.h"
#include "ldmisc.h"
#include "ldmain.h"
#include "ldemul-list.h"
-ld_emulation_xfer_type *ld_emulation;
+static ld_emulation_xfer_type *ld_emulation;
void
ldemul_hll (char *name)
ld_emulation->after_open ();
}
+void
+ldemul_after_check_relocs (void)
+{
+ ld_emulation->after_check_relocs ();
+}
+
void
ldemul_after_allocation (void)
{
void
ldemul_before_allocation (void)
{
- if (ld_emulation->before_allocation)
- ld_emulation->before_allocation ();
+ ld_emulation->before_allocation ();
}
void
void
ldemul_finish (void)
{
- if (ld_emulation->finish)
- ld_emulation->finish ();
+ ld_emulation->finish ();
}
void
return FALSE;
}
-bfd_boolean
-ldemul_place_orphan (lang_input_statement_type *file, asection *s)
+lang_output_section_statement_type *
+ldemul_place_orphan (asection *s, const char *name, int constraint)
{
if (ld_emulation->place_orphan)
- return (*ld_emulation->place_orphan) (file, s);
- return FALSE;
+ return (*ld_emulation->place_orphan) (s, name, constraint);
+ return NULL;
}
void
return ld_emulation->target_name;
}
+/* If the entry point was not specified as an address, then add the
+ symbol as undefined. This will cause ld to extract an archive
+ element defining the entry if ld is linking against such an archive.
+
+ We don't do this when generating shared libraries unless given -e
+ on the command line, because most shared libs are not designed to
+ be run as an executable. However, some are, eg. glibc ld.so and
+ may rely on the default linker script supplying ENTRY. So we can't
+ remove the ENTRY from the script, but would rather not insert
+ undefined _start syms. */
+
void
after_parse_default (void)
{
+ if (entry_symbol.name != NULL
+ && (bfd_link_executable (&link_info) || entry_from_cmdline))
+ {
+ bfd_boolean is_vma = FALSE;
+
+ if (entry_from_cmdline)
+ {
+ const char *send;
+
+ bfd_scan_vma (entry_symbol.name, &send, 0);
+ is_vma = *send == '\0';
+ }
+ if (!is_vma)
+ ldlang_add_undef (entry_symbol.name, entry_from_cmdline);
+ }
+ if (config.maxpagesize == 0)
+ config.maxpagesize = bfd_emul_get_maxpagesize (default_target);
+ if (config.commonpagesize == 0)
+ config.commonpagesize = bfd_emul_get_commonpagesize (default_target,
+ link_info.relro);
}
void
after_open_default (void)
+{
+ link_info.big_endian = TRUE;
+
+ if (bfd_big_endian (link_info.output_bfd))
+ ;
+ else if (bfd_little_endian (link_info.output_bfd))
+ link_info.big_endian = FALSE;
+ else
+ {
+ if (command_line.endian == ENDIAN_BIG)
+ ;
+ else if (command_line.endian == ENDIAN_LITTLE)
+ link_info.big_endian = FALSE;
+ else if (command_line.endian == ENDIAN_UNSET)
+ {
+ LANG_FOR_EACH_INPUT_STATEMENT (s)
+ if (s->the_bfd != NULL)
+ {
+ if (bfd_little_endian (s->the_bfd))
+ link_info.big_endian = FALSE;
+ break;
+ }
+ }
+ }
+}
+
+void
+after_check_relocs_default (void)
{
}
void
after_allocation_default (void)
{
+ lang_relax_sections (FALSE);
}
void
before_allocation_default (void)
{
+ if (!bfd_link_relocatable (&link_info))
+ strip_excluded_output_sections ();
+}
+
+void
+finish_default (void)
+{
+ if (!bfd_link_relocatable (&link_info))
+ _bfd_fix_excluded_sec_syms (link_info.output_bfd, &link_info);
}
void
set_output_arch_default (void)
{
/* Set the output architecture and machine if possible. */
- bfd_set_arch_mach (output_bfd,
+ bfd_set_arch_mach (link_info.output_bfd,
ldfile_output_architecture, ldfile_output_machine);
+
+ bfd_emul_set_maxpagesize (output_target, config.maxpagesize);
+ bfd_emul_set_commonpagesize (output_target, config.commonpagesize);
}
void
syslib_default (char *ignore ATTRIBUTE_UNUSED)
{
- info_msg (_("%S SYSLIB ignored\n"));
+ info_msg (_("%pS SYSLIB ignored\n"), NULL);
}
void
hll_default (char *ignore ATTRIBUTE_UNUSED)
{
- info_msg (_("%S HLL ignored\n"));
+ info_msg (_("%pS HLL ignored\n"), NULL);
}
ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
}
}
- if (! options_found)
+ if (!options_found)
fprintf (f, _(" no emulation specific options.\n"));
}
entry = (*ld_emulation->new_vers_pattern) (entry);
return entry;
}
+
+void
+ldemul_extra_map_file_text (bfd *abfd, struct bfd_link_info *info, FILE *mapf)
+{
+ if (ld_emulation->extra_map_file_text)
+ ld_emulation->extra_map_file_text (abfd, info, mapf);
+}
+
+int
+ldemul_emit_ctf_early (void)
+{
+ if (ld_emulation->emit_ctf_early)
+ return ld_emulation->emit_ctf_early ();
+ /* If the emulation doesn't know if it wants to emit CTF early, it is going
+ to do so. */
+ return 1;
+}
+
+void
+ldemul_examine_strtab_for_ctf (struct ctf_file *ctf_output,
+ struct elf_sym_strtab *syms,
+ bfd_size_type symcount,
+ struct elf_strtab_hash *symstrtab)
+
+{
+ if (ld_emulation->examine_strtab_for_ctf)
+ ld_emulation->examine_strtab_for_ctf (ctf_output, syms,
+ symcount, symstrtab);
+}
projects / deliverable / binutils-gdb.git / blobdiff