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Diffstat (limited to 'ld/ldmain.c')
-rw-r--r--ld/ldmain.c288
1 files changed, 127 insertions, 161 deletions
diff --git a/ld/ldmain.c b/ld/ldmain.c
index 424a400..3647217 100644
--- a/ld/ldmain.c
+++ b/ld/ldmain.c
@@ -51,7 +51,7 @@
#ifdef HAVE_SBRK
#ifdef NEED_DECLARATION_SBRK
-extern PTR sbrk ();
+extern void *sbrk ();
#endif
#endif
@@ -59,8 +59,6 @@ extern PTR sbrk ();
#define TARGET_SYSTEM_ROOT ""
#endif
-int main PARAMS ((int, char **));
-
/* EXPORTS */
char *default_target;
@@ -103,45 +101,40 @@ args_type command_line;
ld_config_type config;
static char *get_emulation
- PARAMS ((int, char **));
+ (int, char **);
static void set_scripts_dir
- PARAMS ((void));
-static void remove_output
- PARAMS ((void));
-static bfd_boolean check_for_scripts_dir
- PARAMS ((char *));
+ (void);
static bfd_boolean add_archive_element
- PARAMS ((struct bfd_link_info *, bfd *, const char *));
+ (struct bfd_link_info *, bfd *, const char *);
static bfd_boolean multiple_definition
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
- bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
+ bfd *, asection *, bfd_vma);
static bfd_boolean multiple_common
- PARAMS ((struct bfd_link_info *, const char *, bfd *,
- enum bfd_link_hash_type, bfd_vma, bfd *, enum bfd_link_hash_type,
- bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, enum bfd_link_hash_type,
+ bfd_vma, bfd *, enum bfd_link_hash_type, bfd_vma);
static bfd_boolean add_to_set
- PARAMS ((struct bfd_link_info *, struct bfd_link_hash_entry *,
- bfd_reloc_code_real_type, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, struct bfd_link_hash_entry *,
+ bfd_reloc_code_real_type, bfd *, asection *, bfd_vma);
static bfd_boolean constructor_callback
- PARAMS ((struct bfd_link_info *, bfd_boolean, const char *, bfd *,
- asection *, bfd_vma));
+ (struct bfd_link_info *, bfd_boolean, const char *, bfd *,
+ asection *, bfd_vma);
static bfd_boolean warning_callback
- PARAMS ((struct bfd_link_info *, const char *, const char *, bfd *,
- asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, const char *, bfd *,
+ asection *, bfd_vma);
static void warning_find_reloc
- PARAMS ((bfd *, asection *, PTR));
+ (bfd *, asection *, void *);
static bfd_boolean undefined_symbol
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
- bfd_boolean));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma,
+ bfd_boolean);
static bfd_boolean reloc_overflow
- PARAMS ((struct bfd_link_info *, const char *, const char *, bfd_vma,
- bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, const char *, bfd_vma,
+ bfd *, asection *, bfd_vma);
static bfd_boolean reloc_dangerous
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static bfd_boolean unattached_reloc
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static bfd_boolean notice
- PARAMS ((struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma));
+ (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma);
static struct bfd_link_callbacks link_callbacks =
{
@@ -162,7 +155,7 @@ static struct bfd_link_callbacks link_callbacks =
struct bfd_link_info link_info;
static void
-remove_output ()
+remove_output (void)
{
if (output_filename)
{
@@ -174,9 +167,7 @@ remove_output ()
}
int
-main (argc, argv)
- int argc;
- char **argv;
+main (int argc, char **argv)
{
char *emulation;
long start_time = get_run_time ();
@@ -329,8 +320,8 @@ main (argc, argv)
link_info.pei386_auto_import = -1;
link_info.pei386_runtime_pseudo_reloc = FALSE;
link_info.spare_dynamic_tags = 5;
- link_info.flags = (bfd_vma) 0;
- link_info.flags_1 = (bfd_vma) 0;
+ link_info.flags = 0;
+ link_info.flags_1 = 0;
link_info.relax_finalizing = FALSE;
ldfile_add_arch ("");
@@ -530,9 +521,11 @@ main (argc, argv)
dst = fopen (dst_name, FOPEN_WB);
if (!src)
- einfo (_("%X%P: unable to open for source of copy `%s'\n"), output_filename);
+ einfo (_("%X%P: 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"), dst_name);
+ einfo (_("%X%P: unable to open for destination of copy `%s'\n"),
+ dst_name);
while ((l = fread (buf, 1, bsize, src)) > 0)
{
int done = fwrite (buf, 1, l, dst);
@@ -555,7 +548,7 @@ main (argc, argv)
if (config.stats)
{
#ifdef HAVE_SBRK
- char *lim = (char *) sbrk (0);
+ char *lim = sbrk (0);
#endif
long run_time = get_run_time () - start_time;
@@ -578,9 +571,7 @@ main (argc, argv)
state that's needed by the lex&yacc argument parser (parse_args). */
static char *
-get_emulation (argc, argv)
- int argc;
- char **argv;
+get_emulation (int argc, char **argv)
{
char *emulation;
int i;
@@ -643,8 +634,7 @@ get_emulation (argc, argv)
else return FALSE. */
static bfd_boolean
-check_for_scripts_dir (dir)
- char *dir;
+check_for_scripts_dir (char *dir)
{
size_t dirlen;
char *buf;
@@ -653,7 +643,7 @@ check_for_scripts_dir (dir)
dirlen = strlen (dir);
/* sizeof counts the terminating NUL. */
- buf = (char *) xmalloc (dirlen + sizeof ("/ldscripts"));
+ buf = xmalloc (dirlen + sizeof ("/ldscripts"));
sprintf (buf, "%s/ldscripts", dir);
res = stat (buf, &s) == 0 && S_ISDIR (s.st_mode);
@@ -675,7 +665,7 @@ check_for_scripts_dir (dir)
(for installing the tool suite elsewhere). */
static void
-set_scripts_dir ()
+set_scripts_dir (void)
{
char *end, *dir;
size_t dirlen;
@@ -723,7 +713,7 @@ set_scripts_dir ()
dirlen = end - program_name;
/* Make a copy of program_name in dir.
Leave room for later "/../lib". */
- dir = (char *) xmalloc (dirlen + 8);
+ dir = xmalloc (dirlen + 8);
strncpy (dir, program_name, dirlen);
dir[dirlen] = '\0';
@@ -740,34 +730,29 @@ set_scripts_dir ()
}
void
-add_ysym (name)
- const char *name;
+add_ysym (const char *name)
{
- if (link_info.notice_hash == (struct bfd_hash_table *) NULL)
+ if (link_info.notice_hash == NULL)
{
- link_info.notice_hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ link_info.notice_hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init_n (link_info.notice_hash,
bfd_hash_newfunc,
61))
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
}
- if (bfd_hash_lookup (link_info.notice_hash, name, TRUE, TRUE)
- == (struct bfd_hash_entry *) NULL)
+ if (bfd_hash_lookup (link_info.notice_hash, name, TRUE, TRUE) == NULL)
einfo (_("%P%F: bfd_hash_lookup failed: %E\n"));
}
/* Record a symbol to be wrapped, from the --wrap option. */
void
-add_wrap (name)
- const char *name;
+add_wrap (const char *name)
{
if (link_info.wrap_hash == NULL)
{
- link_info.wrap_hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ link_info.wrap_hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init_n (link_info.wrap_hash,
bfd_hash_newfunc,
61))
@@ -781,8 +766,7 @@ add_wrap (name)
/* Handle the -retain-symbols-file option. */
void
-add_keepsyms_file (filename)
- const char *filename;
+add_keepsyms_file (const char *filename)
{
FILE *file;
char *buf;
@@ -793,20 +777,19 @@ add_keepsyms_file (filename)
einfo (_("%X%P: error: duplicate retain-symbols-file\n"));
file = fopen (filename, "r");
- if (file == (FILE *) NULL)
+ if (file == NULL)
{
bfd_set_error (bfd_error_system_call);
einfo ("%X%P: %s: %E\n", filename);
return;
}
- link_info.keep_hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ link_info.keep_hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init (link_info.keep_hash, bfd_hash_newfunc))
einfo (_("%P%F: bfd_hash_table_init failed: %E\n"));
bufsize = 100;
- buf = (char *) xmalloc (bufsize);
+ buf = xmalloc (bufsize);
c = getc (file);
while (c != EOF)
@@ -832,8 +815,7 @@ add_keepsyms_file (filename)
buf[len] = '\0';
- if (bfd_hash_lookup (link_info.keep_hash, buf, TRUE, TRUE)
- == (struct bfd_hash_entry *) NULL)
+ if (bfd_hash_lookup (link_info.keep_hash, buf, TRUE, TRUE) == NULL)
einfo (_("%P%F: bfd_hash_lookup for insertion failed: %E\n"));
}
}
@@ -851,15 +833,13 @@ add_keepsyms_file (filename)
a link. */
static bfd_boolean
-add_archive_element (info, abfd, name)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- bfd *abfd;
- const char *name;
+add_archive_element (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ bfd *abfd,
+ const char *name)
{
lang_input_statement_type *input;
- input = ((lang_input_statement_type *)
- xmalloc (sizeof (lang_input_statement_type)));
+ input = xmalloc (sizeof (lang_input_statement_type));
input->filename = abfd->filename;
input->local_sym_name = abfd->filename;
input->the_bfd = abfd;
@@ -877,7 +857,7 @@ add_archive_element (info, abfd, name)
ldlang_add_file (input);
- if (config.map_file != (FILE *) NULL)
+ if (config.map_file != NULL)
{
static bfd_boolean header_printed;
struct bfd_link_hash_entry *h;
@@ -964,15 +944,14 @@ add_archive_element (info, abfd, name)
multiple times. */
static bfd_boolean
-multiple_definition (info, name, obfd, osec, oval, nbfd, nsec, nval)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- bfd *obfd;
- asection *osec;
- bfd_vma oval;
- bfd *nbfd;
- asection *nsec;
- bfd_vma nval;
+multiple_definition (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ bfd *obfd,
+ asection *osec,
+ bfd_vma oval,
+ bfd *nbfd,
+ asection *nsec,
+ bfd_vma nval)
{
/* If either section has the output_section field set to
bfd_abs_section_ptr, it means that the section is being
@@ -989,7 +968,7 @@ multiple_definition (info, name, obfd, osec, oval, nbfd, nsec, nval)
einfo (_("%X%C: multiple definition of `%T'\n"),
nbfd, nsec, nval, name);
- if (obfd != (bfd *) NULL)
+ if (obfd != NULL)
einfo (_("%D: first defined here\n"), obfd, osec, oval);
if (command_line.relax)
@@ -1007,15 +986,14 @@ multiple_definition (info, name, obfd, osec, oval, nbfd, nsec, nval)
-warn-common was used. */
static bfd_boolean
-multiple_common (info, name, obfd, otype, osize, nbfd, ntype, nsize)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- bfd *obfd;
- enum bfd_link_hash_type otype;
- bfd_vma osize;
- bfd *nbfd;
- enum bfd_link_hash_type ntype;
- bfd_vma nsize;
+multiple_common (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ bfd *obfd,
+ enum bfd_link_hash_type otype,
+ bfd_vma osize,
+ bfd *nbfd,
+ enum bfd_link_hash_type ntype,
+ bfd_vma nsize)
{
if (! config.warn_common)
return TRUE;
@@ -1073,13 +1051,12 @@ multiple_common (info, name, obfd, otype, osize, nbfd, ntype, nsize)
represent a value which should be added to the set. */
static bfd_boolean
-add_to_set (info, h, reloc, abfd, section, value)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- struct bfd_link_hash_entry *h;
- bfd_reloc_code_real_type reloc;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+add_to_set (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ struct bfd_link_hash_entry *h,
+ bfd_reloc_code_real_type reloc,
+ bfd *abfd,
+ asection *section,
+ bfd_vma value)
{
if (config.warn_constructors)
einfo (_("%P: warning: global constructor %s used\n"),
@@ -1088,7 +1065,7 @@ add_to_set (info, h, reloc, abfd, section, value)
if (! config.build_constructors)
return TRUE;
- ldctor_add_set_entry (h, reloc, (const char *) NULL, section, value);
+ ldctor_add_set_entry (h, reloc, NULL, section, value);
if (h->type == bfd_link_hash_new)
{
@@ -1108,13 +1085,12 @@ add_to_set (info, h, reloc, abfd, section, value)
adding an element to a set, but less general. */
static bfd_boolean
-constructor_callback (info, constructor, name, abfd, section, value)
- struct bfd_link_info *info;
- bfd_boolean constructor;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+constructor_callback (struct bfd_link_info *info,
+ bfd_boolean constructor,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma value)
{
char *s;
struct bfd_link_hash_entry *h;
@@ -1171,13 +1147,12 @@ struct warning_callback_info
/* This is called when there is a reference to a warning symbol. */
static bfd_boolean
-warning_callback (info, warning, symbol, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *warning;
- const char *symbol;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+warning_callback (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *warning,
+ const char *symbol,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
/* This is a hack to support warn_multiple_gp. FIXME: This should
have a cleaner interface, but what? */
@@ -1210,7 +1185,7 @@ warning_callback (info, warning, symbol, abfd, section, address)
symsize = bfd_get_symtab_upper_bound (abfd);
if (symsize < 0)
einfo (_("%B%F: could not read symbols: %E\n"), abfd);
- asymbols = (asymbol **) xmalloc (symsize);
+ asymbols = xmalloc (symsize);
symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
if (symbol_count < 0)
einfo (_("%B%F: could not read symbols: %E\n"), abfd);
@@ -1225,7 +1200,7 @@ warning_callback (info, warning, symbol, abfd, section, address)
info.warning = warning;
info.symbol = symbol;
info.asymbols = asymbols;
- bfd_map_over_sections (abfd, warning_find_reloc, (PTR) &info);
+ bfd_map_over_sections (abfd, warning_find_reloc, &info);
if (! info.found)
einfo ("%B: %s\n", abfd, warning);
@@ -1243,12 +1218,9 @@ warning_callback (info, warning, symbol, abfd, section, address)
to give an error message with a file and line number. */
static void
-warning_find_reloc (abfd, sec, iarg)
- bfd *abfd;
- asection *sec;
- PTR iarg;
+warning_find_reloc (bfd *abfd, asection *sec, void *iarg)
{
- struct warning_callback_info *info = (struct warning_callback_info *) iarg;
+ struct warning_callback_info *info = iarg;
long relsize;
arelent **relpp;
long relcount;
@@ -1263,7 +1235,7 @@ warning_find_reloc (abfd, sec, iarg)
if (relsize == 0)
return;
- relpp = (arelent **) xmalloc (relsize);
+ relpp = xmalloc (relsize);
relcount = bfd_canonicalize_reloc (abfd, sec, relpp, info->asymbols);
if (relcount < 0)
einfo (_("%B%F: could not read relocs: %E\n"), abfd);
@@ -1291,13 +1263,12 @@ warning_find_reloc (abfd, sec, iarg)
/* This is called when an undefined symbol is found. */
static bfd_boolean
-undefined_symbol (info, name, abfd, section, address, fatal)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma address;
- bfd_boolean fatal ATTRIBUTE_UNUSED;
+undefined_symbol (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address,
+ bfd_boolean fatal ATTRIBUTE_UNUSED)
{
static char *error_name;
static unsigned int error_count;
@@ -1311,8 +1282,7 @@ undefined_symbol (info, name, abfd, section, address, fatal)
/* Only warn once about a particular undefined symbol. */
if (hash == NULL)
{
- hash = ((struct bfd_hash_table *)
- xmalloc (sizeof (struct bfd_hash_table)));
+ hash = xmalloc (sizeof (struct bfd_hash_table));
if (! bfd_hash_table_init (hash, bfd_hash_newfunc))
einfo (_("%F%P: bfd_hash_table_init failed: %E\n"));
}
@@ -1326,13 +1296,13 @@ undefined_symbol (info, name, abfd, section, address, fatal)
/* We never print more than a reasonable number of errors in a row
for a single symbol. */
- if (error_name != (char *) NULL
+ if (error_name != NULL
&& strcmp (name, error_name) == 0)
++error_count;
else
{
error_count = 0;
- if (error_name != (char *) NULL)
+ if (error_name != NULL)
free (error_name);
error_name = xstrdup (name);
}
@@ -1379,19 +1349,18 @@ int overflow_cutoff_limit = 10;
/* This is called when a reloc overflows. */
static bfd_boolean
-reloc_overflow (info, name, reloc_name, addend, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- const char *reloc_name;
- bfd_vma addend;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+reloc_overflow (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ const char *reloc_name,
+ bfd_vma addend,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
if (overflow_cutoff_limit == -1)
return TRUE;
- if (abfd == (bfd *) NULL)
+ if (abfd == NULL)
einfo (_("%P%X: generated"));
else
einfo ("%X%C:", abfd, section, address);
@@ -1413,14 +1382,13 @@ reloc_overflow (info, name, reloc_name, addend, abfd, section, address)
/* This is called when a dangerous relocation is made. */
static bfd_boolean
-reloc_dangerous (info, message, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *message;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+reloc_dangerous (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *message,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
- if (abfd == (bfd *) NULL)
+ if (abfd == NULL)
einfo (_("%P%X: generated"));
else
einfo ("%X%C:", abfd, section, address);
@@ -1432,14 +1400,13 @@ reloc_dangerous (info, message, abfd, section, address)
that is not being output. */
static bfd_boolean
-unattached_reloc (info, name, abfd, section, address)
- struct bfd_link_info *info ATTRIBUTE_UNUSED;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma address;
+unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma address)
{
- if (abfd == (bfd *) NULL)
+ if (abfd == NULL)
einfo (_("%P%X: generated"));
else
einfo ("%X%C:", abfd, section, address);
@@ -1452,12 +1419,11 @@ unattached_reloc (info, name, abfd, section, address)
using the -y option. */
static bfd_boolean
-notice (info, name, abfd, section, value)
- struct bfd_link_info *info;
- const char *name;
- bfd *abfd;
- asection *section;
- bfd_vma value;
+notice (struct bfd_link_info *info,
+ const char *name,
+ bfd *abfd,
+ asection *section,
+ bfd_vma value)
{
if (! info->notice_all
|| (info->notice_hash != NULL