/* Main program of GNU linker.
- Copyright 1991-2013 Free Software Foundation, Inc.
+ Copyright (C) 1991-2015 Free Software Foundation, Inc.
Written by Steve Chamberlain steve@cygnus.com
This file is part of the GNU Binutils.
#ifdef ENABLE_PLUGINS
#include "plugin.h"
#include "plugin-api.h"
-#include "libbfd.h"
#endif /* ENABLE_PLUGINS */
/* Somewhere above, sys/stat.h got included. */
(struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static bfd_boolean notice
(struct bfd_link_info *, struct bfd_link_hash_entry *,
- bfd *, asection *, bfd_vma, flagword, const char *);
+ struct bfd_link_hash_entry *, bfd *, asection *, bfd_vma, flagword);
static struct bfd_link_callbacks link_callbacks =
{
/* Set up the sysroot directory. */
ld_sysroot = get_sysroot (argc, argv);
if (*ld_sysroot)
- {
- if (*TARGET_SYSTEM_ROOT == 0)
- {
- einfo ("%P%F: this linker was not configured to use sysroots\n");
- ld_sysroot = "";
- }
- else
- ld_canon_sysroot = lrealpath (ld_sysroot);
- }
+ ld_canon_sysroot = lrealpath (ld_sysroot);
if (ld_canon_sysroot)
ld_canon_sysroot_len = strlen (ld_canon_sysroot);
else
link_info.init_function = "_init";
link_info.fini_function = "_fini";
link_info.relax_pass = 1;
+ link_info.extern_protected_data = -1;
link_info.pei386_auto_import = -1;
link_info.spare_dynamic_tags = 5;
link_info.path_separator = ':';
config.maxpagesize = bfd_emul_get_maxpagesize (default_target);
config.commonpagesize = bfd_emul_get_commonpagesize (default_target);
lang_init ();
+ ldexp_init ();
ldemul_before_parse ();
lang_has_input_file = FALSE;
parse_args (argc, argv);
lang_final ();
+ /* If the only command line argument has been -v or --version or --verbose
+ then ignore any input files provided by linker scripts and exit now.
+ We do not want to create an output file when the linker is just invoked
+ to provide version information. */
+ if (argc == 2 && version_printed)
+ xexit (0);
+
if (!lang_has_input_file)
{
if (version_printed || command_line.print_output_format)
/* Print error messages for any missing symbols, for any warning
symbols, and possibly multiple definitions. */
- if (link_info.relocatable)
+ if (bfd_link_relocatable (&link_info))
link_info.output_bfd->flags &= ~EXEC_P;
else
link_info.output_bfd->flags |= EXEC_P;
+ if ((link_info.compress_debug & COMPRESS_DEBUG))
+ {
+ link_info.output_bfd->flags |= BFD_COMPRESS;
+ if (link_info.compress_debug == COMPRESS_DEBUG_GABI_ZLIB)
+ link_info.output_bfd->flags |= BFD_COMPRESS_GABI;
+ }
+
ldwrite ();
if (config.map_file != NULL)
output_cref (config.map_file != NULL ? config.map_file : stdout);
if (nocrossref_list != NULL)
check_nocrossrefs ();
+ if (command_line.print_memory_usage)
+ lang_print_memory_usage ();
+#if 0
+ {
+ struct bfd_link_hash_entry * h;
+ h = bfd_link_hash_lookup (link_info.hash, "__image_base__", 0,0,1);
+ fprintf (stderr, "lookup = %p val %lx\n", h, h ? h->u.def.value : 1);
+ }
+#endif
+ ldexp_finish ();
lang_finish ();
/* Even if we're producing relocatable output, some non-fatal errors should
/* If the --force-exe-suffix is enabled, and we're making an
executable file and it doesn't end in .exe, copy it to one
which does. */
- if (! link_info.relocatable && command_line.force_exe_suffix)
+ if (!bfd_link_relocatable (&link_info)
+ && command_line.force_exe_suffix)
{
int len = strlen (output_filename);
dst = fopen (dst_name, FOPEN_WB);
if (!src)
- einfo (_("%X%P: unable to open for source of copy `%s'\n"),
+ einfo (_("%P%F: unable to open for source of copy `%s'\n"),
output_filename);
if (!dst)
- einfo (_("%X%P: unable to open for destination of copy `%s'\n"),
+ einfo (_("%P%F: unable to open for destination of copy `%s'\n"),
dst_name);
while ((l = fread (buf, 1, bsize, src)) > 0)
{
|| strcmp (argv[i], "-mips5") == 0
|| strcmp (argv[i], "-mips32") == 0
|| strcmp (argv[i], "-mips32r2") == 0
+ || strcmp (argv[i], "-mips32r6") == 0
|| strcmp (argv[i], "-mips64") == 0
- || strcmp (argv[i], "-mips64r2") == 0)
+ || strcmp (argv[i], "-mips64r2") == 0
+ || strcmp (argv[i], "-mips64r6") == 0)
{
/* FIXME: The arguments -mips1, -mips2, -mips3, etc. are
passed to the linker by some MIPS compilers. They
BFD, but we still want to output the original BFD filename. */
orig_input = *input;
#ifdef ENABLE_PLUGINS
- if (plugin_active_plugins_p () && !no_more_claiming)
+ if (link_info.lto_plugin_active && !no_more_claiming)
{
/* We must offer this archive member to the plugins to claim. */
- const char *filename = (bfd_my_archive (abfd) != NULL
- ? bfd_my_archive (abfd)->filename : abfd->filename);
- int fd = open (filename, O_RDONLY | O_BINARY);
- if (fd >= 0)
+ plugin_maybe_claim (input);
+ if (input->flags.claimed)
{
- struct ld_plugin_input_file file;
-
- /* Offset and filesize must refer to the individual archive
- member, not the whole file, and must exclude the header.
- Fortunately for us, that is how the data is stored in the
- origin field of the bfd and in the arelt_data. */
- file.name = filename;
- file.offset = abfd->origin;
- file.filesize = arelt_size (abfd);
- file.fd = fd;
- plugin_maybe_claim (&file, input);
- if (input->flags.claimed)
- {
- input->flags.claim_archive = TRUE;
- *subsbfd = input->the_bfd;
- }
+ input->flags.claim_archive = TRUE;
+ *subsbfd = input->the_bfd;
}
}
#endif /* ENABLE_PLUGINS */
/* Ensure that BFD_RELOC_CTOR exists now, so that we can give a
useful error message. */
if (bfd_reloc_type_lookup (info->output_bfd, BFD_RELOC_CTOR) == NULL
- && (info->relocatable
+ && (bfd_link_relocatable (info)
|| bfd_reloc_type_lookup (abfd, BFD_RELOC_CTOR) == NULL))
einfo (_("%P%F: BFD backend error: BFD_RELOC_CTOR unsupported\n"));
asymbol **asymbols;
};
+/* Look through the relocs to see if we can find a plausible address
+ for SYMBOL in ABFD. Return TRUE if found. Otherwise return FALSE. */
+
+static bfd_boolean
+symbol_warning (const char *warning, const char *symbol, bfd *abfd)
+{
+ struct warning_callback_info cinfo;
+
+ if (!bfd_generic_link_read_symbols (abfd))
+ einfo (_("%B%F: could not read symbols: %E\n"), abfd);
+
+ cinfo.found = FALSE;
+ cinfo.warning = warning;
+ cinfo.symbol = symbol;
+ cinfo.asymbols = bfd_get_outsymbols (abfd);
+ bfd_map_over_sections (abfd, warning_find_reloc, &cinfo);
+ return cinfo.found;
+}
+
/* This is called when there is a reference to a warning symbol. */
static bfd_boolean
einfo ("%P: %s%s\n", _("warning: "), warning);
else if (symbol == NULL)
einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
- else
+ else if (! symbol_warning (warning, symbol, abfd))
{
- struct warning_callback_info cinfo;
-
- /* Look through the relocs to see if we can find a plausible
- address. */
-
- if (!bfd_generic_link_read_symbols (abfd))
- einfo (_("%B%F: could not read symbols: %E\n"), abfd);
-
- cinfo.found = FALSE;
- cinfo.warning = warning;
- cinfo.symbol = symbol;
- cinfo.asymbols = bfd_get_outsymbols (abfd);
- bfd_map_over_sections (abfd, warning_find_reloc, &cinfo);
-
- if (! cinfo.found)
- einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
+ bfd *b;
+ /* Search all input files for a reference to SYMBOL. */
+ for (b = info->input_bfds; b; b = b->link.next)
+ if (b != abfd && symbol_warning (warning, symbol, b))
+ return TRUE;
+ einfo ("%B: %s%s\n", abfd, _("warning: "), warning);
}
return TRUE;
static bfd_boolean
notice (struct bfd_link_info *info,
struct bfd_link_hash_entry *h,
+ struct bfd_link_hash_entry *inh ATTRIBUTE_UNUSED,
bfd *abfd,
asection *section,
bfd_vma value,
- flagword flags ATTRIBUTE_UNUSED,
- const char *string ATTRIBUTE_UNUSED)
+ flagword flags ATTRIBUTE_UNUSED)
{
const char *name;
projects / deliverable / binutils-gdb.git / blobdiff