/* objcopy.c -- copy object file from input to output, optionally massaging it.
Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003
+ 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of GNU Binutils.
#include "libiberty.h"
#include "budbg.h"
#include "filenames.h"
+#include "fnmatch.h"
+#include "elf-bfd.h"
#include <sys/stat.h>
/* A list of symbols to explicitly strip out, or to keep. A linked
/* List of sections to be renamed. */
static section_rename *section_rename_list;
-static void copy_usage
- (FILE *, int);
-static void strip_usage
- (FILE *, int);
-static flagword parse_flags
- (const char *);
-static struct section_list *find_section_list
- (const char *, bfd_boolean);
-static void setup_section
- (bfd *, asection *, void *);
-static void copy_section
- (bfd *, asection *, void *);
-static void get_sections
- (bfd *, asection *, void *);
-static int compare_section_lma
- (const void *, const void *);
-static void add_specific_symbol
- (const char *, struct symlist **);
-static void add_specific_symbols
- (const char *, struct symlist **);
-static bfd_boolean is_specified_symbol
- (const char *, struct symlist *);
-static bfd_boolean is_strip_section
- (bfd *, asection *);
-static unsigned int filter_symbols
- (bfd *, bfd *, asymbol **, asymbol **, long);
-static void mark_symbols_used_in_relocations
- (bfd *, asection *, void *);
-static void filter_bytes
- (char *, bfd_size_type *);
-static bfd_boolean write_debugging_info
- (bfd *, void *, long *, asymbol ***);
-static void copy_object
- (bfd *, bfd *);
-static void copy_archive
- (bfd *, bfd *, const char *);
-static void copy_file
- (const char *, const char *, const char *, const char *);
-static int strip_main
- (int, char **);
-static int copy_main
- (int, char **);
-static const char *lookup_sym_redefinition
- (const char *);
-static void redefine_list_append
- (const char *, const char *, const char *);
-static const char * find_section_rename
- (bfd *, sec_ptr, flagword *);
-static void add_section_rename
- (const char *, const char *, flagword);
-static void add_redefine_syms_file
- (const char *);
-
#define RETURN_NONFATAL(s) {bfd_nonfatal (s); status = 1; return;}
static asymbol **isympp = NULL; /* Input symbols. */
/* Use alternate machine code? */
static int use_alt_mach_code = 0;
+/* Output BFD flags user wants to set or clear */
+static flagword bfd_flags_to_set;
+static flagword bfd_flags_to_clear;
+
/* List of sections to add. */
struct section_add
{
/* Whether to remove the leading character from global symbol names. */
static bfd_boolean remove_leading_char = FALSE;
+/* Whether to permit wildcard in symbol comparison. */
+static bfd_boolean wildcard = FALSE;
+
/* List of symbols to strip, keep, localize, keep-global, weaken,
or redefine. */
static struct symlist *strip_specific_list = NULL;
OPTION_PREFIX_ALLOC_SECTIONS,
OPTION_FORMATS_INFO,
OPTION_ADD_GNU_DEBUGLINK,
- OPTION_ONLY_KEEP_DEBUG
+ OPTION_ONLY_KEEP_DEBUG,
+ OPTION_READONLY_TEXT,
+ OPTION_WRITABLE_TEXT,
+ OPTION_PURE,
+ OPTION_IMPURE
};
/* Options to handle if running as "strip". */
{"target", required_argument, 0, 'F'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
+ {"wildcard", no_argument, 0, 'w'},
{0, no_argument, 0, 0}
};
{"format", required_argument, 0, 'F'}, /* Obsolete */
{"gap-fill", required_argument, 0, OPTION_GAP_FILL},
{"help", no_argument, 0, 'h'},
+ {"impure", no_argument, 0, OPTION_IMPURE},
{"info", no_argument, 0, OPTION_FORMATS_INFO},
{"input-format", required_argument, 0, 'I'}, /* Obsolete */
{"input-target", required_argument, 0, 'I'},
{"prefix-sections", required_argument, 0, OPTION_PREFIX_SECTIONS},
{"prefix-alloc-sections", required_argument, 0, OPTION_PREFIX_ALLOC_SECTIONS},
{"preserve-dates", no_argument, 0, 'p'},
+ {"pure", no_argument, 0, OPTION_PURE},
+ {"readonly-text", no_argument, 0, OPTION_READONLY_TEXT},
{"redefine-sym", required_argument, 0, OPTION_REDEFINE_SYM},
{"redefine-syms", required_argument, 0, OPTION_REDEFINE_SYMS},
{"remove-leading-char", no_argument, 0, OPTION_REMOVE_LEADING_CHAR},
{"weaken", no_argument, 0, OPTION_WEAKEN},
{"weaken-symbol", required_argument, 0, 'W'},
{"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS},
+ {"wildcard", no_argument, 0, 'w'},
+ {"writable-text", no_argument, 0, OPTION_WRITABLE_TEXT},
{0, no_argument, 0, 0}
};
on by the --srec-forceS3 command line switch. */
extern bfd_boolean S3Forced;
-/* Defined in bfd/binary.c. Used to set architecture of input binary files. */
-extern enum bfd_architecture bfd_external_binary_architecture;
-
+/* Defined in bfd/binary.c. Used to set architecture and machine of input
+ binary files. */
+extern enum bfd_architecture bfd_external_binary_architecture;
+extern unsigned long bfd_external_machine;
+
+/* Forward declarations. */
+static void setup_section (bfd *, asection *, void *);
+static void copy_section (bfd *, asection *, void *);
+static void get_sections (bfd *, asection *, void *);
+static int compare_section_lma (const void *, const void *);
+static void mark_symbols_used_in_relocations (bfd *, asection *, void *);
+static bfd_boolean write_debugging_info (bfd *, void *, long *, asymbol ***);
+static const char *lookup_sym_redefinition (const char *);
\f
static void
copy_usage (FILE *stream, int exit_status)
-g --strip-debug Remove all debugging symbols & sections\n\
--strip-unneeded Remove all symbols not needed by relocations\n\
-N --strip-symbol <name> Do not copy symbol <name>\n\
+ --only-keep-debug Strip everything but the debug information\n\
-K --keep-symbol <name> Only copy symbol <name>\n\
-L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
-G --keep-global-symbol <name> Localize all symbols except <name>\n\
-W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
--weaken Force all global symbols to be marked as weak\n\
+ -w --wildcard Permit wildcard in symbol comparasion\n\
-x --discard-all Remove all non-global symbols\n\
-X --discard-locals Remove any compiler-generated symbols\n\
-i --interleave <number> Only copy one out of every <number> bytes\n\
--keep-global-symbols <file> -G for all symbols listed in <file>\n\
--weaken-symbols <file> -W for all symbols listed in <file>\n\
--alt-machine-code <index> Use alternate machine code for output\n\
+ --writable-text Mark the output text as writable\n\
+ --readonly-text Make the output text write protected\n\
+ --pure Mark the output file as demand paged\n\
+ --impure Mark the output file as impure\n\
--prefix-symbols <prefix> Add <prefix> to start of every symbol name\n\
--prefix-sections <prefix> Add <prefix> to start of every section name\n\
--prefix-alloc-sections <prefix>\n\
-s --strip-all Remove all symbol and relocation information\n\
-g -S -d --strip-debug Remove all debugging symbols & sections\n\
--strip-unneeded Remove all symbols not needed by relocations\n\
+ --only-keep-debug Strip everything but the debug information\n\
-N --strip-symbol=<name> Do not copy symbol <name>\n\
-K --keep-symbol=<name> Only copy symbol <name>\n\
+ -w --wildcard Permit wildcard in symbol comparasion\n\
-x --discard-all Remove all non-global symbols\n\
-X --discard-locals Remove any compiler-generated symbols\n\
-v --verbose List all object files modified\n\
if (! add)
return NULL;
- p = (struct section_list *) xmalloc (sizeof (struct section_list));
+ p = xmalloc (sizeof (struct section_list));
p->name = name;
p->used = FALSE;
p->remove = FALSE;
{
struct symlist *tmp_list;
- tmp_list = (struct symlist *) xmalloc (sizeof (struct symlist));
+ tmp_list = xmalloc (sizeof (struct symlist));
tmp_list->name = name;
tmp_list->next = *list;
*list = tmp_list;
static void
add_specific_symbols (const char *filename, struct symlist **list)
{
- struct stat st;
+ off_t size;
FILE * f;
char * line;
char * buffer;
unsigned int line_count;
- if (stat (filename, & st) < 0)
- fatal (_("cannot stat: %s: %s"), filename, strerror (errno));
- if (st.st_size == 0)
+ size = get_file_size (filename);
+ if (size == 0)
return;
- buffer = (char *) xmalloc (st.st_size + 2);
+ buffer = xmalloc (size + 2);
f = fopen (filename, FOPEN_RT);
if (f == NULL)
- fatal (_("cannot open: %s: %s"), filename, strerror (errno));
+ fatal (_("cannot open '%s': %s"), filename, strerror (errno));
- if (fread (buffer, 1, st.st_size, f) == 0 || ferror (f))
+ if (fread (buffer, 1, size, f) == 0 || ferror (f))
fatal (_("%s: fread failed"), filename);
fclose (f);
- buffer [st.st_size] = '\n';
- buffer [st.st_size + 1] = '\0';
+ buffer [size] = '\n';
+ buffer [size + 1] = '\0';
line_count = 1;
{
struct symlist *tmp_list;
- for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
- if (strcmp (name, tmp_list->name) == 0)
- return TRUE;
+ if (wildcard)
+ {
+ for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
+ if (*(tmp_list->name) != '!')
+ {
+ if (!fnmatch (tmp_list->name, name, 0))
+ return TRUE;
+ }
+ else
+ {
+ if (fnmatch (tmp_list->name + 1, name, 0))
+ return TRUE;
+ }
+ }
+ else
+ {
+ for (tmp_list = list; tmp_list; tmp_list = tmp_list->next)
+ if (strcmp (name, tmp_list->name) == 0)
+ return TRUE;
+ }
return FALSE;
}
return FALSE;
}
- return strip_symbols == STRIP_NONDEBUG ? TRUE : FALSE;
+ return FALSE;
}
/* Choose which symbol entries to copy; put the result in OSYMS.
cause, target);
}
- new_node = (struct redefine_node *) xmalloc (sizeof (struct redefine_node));
+ new_node = xmalloc (sizeof (struct redefine_node));
new_node->source = strdup (source);
new_node->target = strdup (target);
int c, lineno;
file = fopen (filename, "r");
- if (file == (FILE *) NULL)
+ if (file == NULL)
fatal (_("couldn't open symbol redefinition file %s (error: %s)"),
filename, strerror (errno));
bufsize = 100;
- buf = (char *) xmalloc (bufsize);
+ buf = xmalloc (bufsize);
lineno = 1;
c = getc (file);
free (buf);
}
-/* Keep only every `copy_byte'th byte in MEMHUNK, which is *SIZE bytes long.
- Adjust *SIZE. */
-
-static void
-filter_bytes (char *memhunk, bfd_size_type *size)
-{
- char *from = memhunk + copy_byte, *to = memhunk, *end = memhunk + *size;
-
- for (; from < end; from += interleave)
- *to++ = *from;
-
- if (*size % interleave > (bfd_size_type) copy_byte)
- *size = (*size / interleave) + 1;
- else
- *size /= interleave;
-}
-
-/* Copy object file IBFD onto OBFD. */
+/* Copy object file IBFD onto OBFD.
+ Returns TRUE upon success, FALSE otherwise. */
-static void
+static bfd_boolean
copy_object (bfd *ibfd, bfd *obfd)
{
bfd_vma start;
if (ibfd->xvec->byteorder != obfd->xvec->byteorder
&& ibfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN
&& obfd->xvec->byteorder != BFD_ENDIAN_UNKNOWN)
- {
- fatal (_("Unable to change endianness of input file(s)"));
- return;
- }
+ fatal (_("Unable to change endianness of input file(s)"));
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
- RETURN_NONFATAL (bfd_get_filename (obfd));
+ {
+ bfd_nonfatal (bfd_get_filename (obfd));
+ return FALSE;
+ }
if (verbose)
printf (_("copy from %s(%s) to %s(%s)\n"),
need to be set for a core file. */
if (bfd_get_format (obfd) != bfd_core)
{
+ flagword flags;
+
+ flags = bfd_get_file_flags (ibfd);
+ flags |= bfd_flags_to_set;
+ flags &= ~bfd_flags_to_clear;
+ flags &= bfd_applicable_file_flags (obfd);
+
if (!bfd_set_start_address (obfd, start)
- || !bfd_set_file_flags (obfd,
- (bfd_get_file_flags (ibfd)
- & bfd_applicable_file_flags (obfd))))
- RETURN_NONFATAL (bfd_get_filename (ibfd));
+ || !bfd_set_file_flags (obfd, flags))
+ {
+ bfd_nonfatal (bfd_get_filename (ibfd));
+ return FALSE;
+ }
}
/* Copy architecture of input file to output file. */
if (!bfd_set_arch_mach (obfd, iarch, imach)
&& (ibfd->target_defaulted
|| bfd_get_arch (ibfd) != bfd_get_arch (obfd)))
- non_fatal (_("Warning: Output file cannot represent architecture %s"),
- bfd_printable_arch_mach (bfd_get_arch (ibfd),
- bfd_get_mach (ibfd)));
+ {
+ if (bfd_get_arch (ibfd) == bfd_arch_unknown)
+ fatal (_("Unable to recognise the format of the input file %s"),
+ bfd_get_filename (ibfd));
+ else
+ {
+ non_fatal (_("Warning: Output file cannot represent architecture %s"),
+ bfd_printable_arch_mach (bfd_get_arch (ibfd),
+ bfd_get_mach (ibfd)));
+ return FALSE;
+ }
+ }
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
- RETURN_NONFATAL (bfd_get_filename (ibfd));
+ {
+ bfd_nonfatal (bfd_get_filename (ibfd));
+ return FALSE;
+ }
if (isympp)
free (isympp);
/* BFD mandates that all output sections be created and sizes set before
any output is done. Thus, we traverse all sections multiple times. */
- bfd_map_over_sections (ibfd, setup_section, (void *) obfd);
+ bfd_map_over_sections (ibfd, setup_section, obfd);
if (add_sections != NULL)
{
{
non_fatal (_("can't create section `%s': %s"),
padd->name, bfd_errmsg (bfd_get_error ()));
- status = 1;
- return;
+ return FALSE;
}
if (! bfd_set_section_size (obfd, padd->section, padd->size))
- RETURN_NONFATAL (bfd_get_filename (obfd));
+ {
+ bfd_nonfatal (bfd_get_filename (obfd));
+ return FALSE;
+ }
pset = find_section_list (padd->name, FALSE);
if (pset != NULL)
flags = SEC_HAS_CONTENTS | SEC_READONLY | SEC_DATA;
if (! bfd_set_section_flags (obfd, padd->section, flags))
- RETURN_NONFATAL (bfd_get_filename (obfd));
+ {
+ bfd_nonfatal (bfd_get_filename (obfd));
+ return FALSE;
+ }
if (pset != NULL)
{
if (pset->change_vma != CHANGE_IGNORE)
if (! bfd_set_section_vma (obfd, padd->section,
pset->vma_val))
- RETURN_NONFATAL (bfd_get_filename (obfd));
+ {
+ bfd_nonfatal (bfd_get_filename (obfd));
+ return FALSE;
+ }
if (pset->change_lma != CHANGE_IGNORE)
{
padd->section->lma = pset->lma_val;
-
+
if (! bfd_set_section_alignment
(obfd, padd->section,
bfd_section_alignment (obfd, padd->section)))
- RETURN_NONFATAL (bfd_get_filename (obfd));
+ {
+ bfd_nonfatal (bfd_get_filename (obfd));
+ return FALSE;
+ }
}
}
}
(obfd, gnu_debuglink_filename);
if (gnu_debuglink_section == NULL)
- RETURN_NONFATAL (gnu_debuglink_filename);
+ {
+ bfd_nonfatal (gnu_debuglink_filename);
+ return FALSE;
+ }
+ }
+
+ if (bfd_count_sections (obfd) == 0)
+ {
+ non_fatal (_("there are no sections to be copied!"));
+ return FALSE;
}
if (gap_fill_set || pad_to_set)
We write out the gap contents below. */
c = bfd_count_sections (obfd);
- osections = (asection **) xmalloc (c * sizeof (asection *));
+ osections = xmalloc (c * sizeof (asection *));
set = osections;
- bfd_map_over_sections (obfd, get_sections, (void *) &set);
+ bfd_map_over_sections (obfd, get_sections, &set);
qsort (osections, c, sizeof (asection *), compare_section_lma);
- gaps = (bfd_size_type *) xmalloc (c * sizeof (bfd_size_type));
+ gaps = xmalloc (c * sizeof (bfd_size_type));
memset (gaps, 0, c * sizeof (bfd_size_type));
if (gap_fill_set)
dhandle = NULL;
symsize = bfd_get_symtab_upper_bound (ibfd);
if (symsize < 0)
- RETURN_NONFATAL (bfd_get_filename (ibfd));
+ {
+ bfd_nonfatal (bfd_get_filename (ibfd));
+ return FALSE;
+ }
- osympp = isympp = (asymbol **) xmalloc (symsize);
+ osympp = isympp = xmalloc (symsize);
symcount = bfd_canonicalize_symtab (ibfd, isympp);
if (symcount < 0)
- RETURN_NONFATAL (bfd_get_filename (ibfd));
+ {
+ bfd_nonfatal (bfd_get_filename (ibfd));
+ return FALSE;
+ }
if (convert_debugging)
dhandle = read_debugging_info (ibfd, isympp, symcount);
if (strip_symbols != STRIP_ALL)
bfd_map_over_sections (ibfd,
mark_symbols_used_in_relocations,
- (void *) isympp);
- osympp = (asymbol **) xmalloc ((symcount + 1) * sizeof (asymbol *));
+ isympp);
+ osympp = xmalloc ((symcount + 1) * sizeof (asymbol *));
symcount = filter_symbols (ibfd, obfd, osympp, isympp, symcount);
}
if (! write_debugging_info (obfd, dhandle, &symcount, &osympp))
{
status = 1;
- return;
+ return FALSE;
}
}
bfd_set_symtab (obfd, osympp, symcount);
/* This has to happen after the symbol table has been set. */
- bfd_map_over_sections (ibfd, copy_section, (void *) obfd);
+ bfd_map_over_sections (ibfd, copy_section, obfd);
if (add_sections != NULL)
{
for (padd = add_sections; padd != NULL; padd = padd->next)
{
- if (! bfd_set_section_contents (obfd, padd->section,
- (void *) padd->contents,
- (file_ptr) 0,
- (bfd_size_type) padd->size))
- RETURN_NONFATAL (bfd_get_filename (obfd));
+ if (! bfd_set_section_contents (obfd, padd->section, padd->contents,
+ 0, padd->size))
+ {
+ bfd_nonfatal (bfd_get_filename (obfd));
+ return FALSE;
+ }
}
}
{
if (! bfd_fill_in_gnu_debuglink_section
(obfd, gnu_debuglink_section, gnu_debuglink_filename))
- RETURN_NONFATAL (gnu_debuglink_filename);
+ {
+ bfd_nonfatal (gnu_debuglink_filename);
+ return FALSE;
+ }
}
if (gap_fill_set || pad_to_set)
/* Fill in the gaps. */
if (max_gap > 8192)
max_gap = 8192;
- buf = (bfd_byte *) xmalloc (max_gap);
- memset (buf, gap_fill, (size_t) max_gap);
+ buf = xmalloc (max_gap);
+ memset (buf, gap_fill, max_gap);
c = bfd_count_sections (obfd);
for (i = 0; i < c; i++)
if (! bfd_set_section_contents (obfd, osections[i], buf,
off, now))
- RETURN_NONFATAL (bfd_get_filename (obfd));
+ {
+ bfd_nonfatal (bfd_get_filename (obfd));
+ return FALSE;
+ }
left -= now;
off += now;
non_fatal (_("%s: error copying private BFD data: %s"),
bfd_get_filename (obfd),
bfd_errmsg (bfd_get_error ()));
- status = 1;
- return;
+ return FALSE;
}
/* Switch to the alternate machine code. We have to do this at the
very end, because we only initialize the header when we create
the first section. */
- if (use_alt_mach_code != 0)
- {
- if (!bfd_alt_mach_code (obfd, use_alt_mach_code))
- non_fatal (_("unknown alternate machine code, ignored"));
- }
+ if (use_alt_mach_code != 0
+ && ! bfd_alt_mach_code (obfd, use_alt_mach_code))
+ non_fatal (_("unknown alternate machine code, ignored"));
+
+ return TRUE;
}
#undef MKDIR
if (!bfd_set_format (obfd, bfd_get_format (ibfd)))
RETURN_NONFATAL (bfd_get_filename (obfd));
- while (!status && this_element != (bfd *) NULL)
+ while (!status && this_element != NULL)
{
char *output_name;
bfd *output_bfd;
bfd *last_element;
struct stat buf;
int stat_status = 0;
+ bfd_boolean delete = TRUE;
/* Create an output file for this member. */
output_name = concat (dir, "/",
fatal (_("cannot mkdir %s for archive copying (error: %s)"),
output_name, strerror (errno));
- l = (struct name_list *) xmalloc (sizeof (struct name_list));
+ l = xmalloc (sizeof (struct name_list));
l->name = output_name;
l->next = list;
l->obfd = NULL;
bfd_get_filename (this_element));
}
- l = (struct name_list *) xmalloc (sizeof (struct name_list));
+ l = xmalloc (sizeof (struct name_list));
l->name = output_name;
l->next = list;
list = l;
- if (output_bfd == (bfd *) NULL)
+ if (output_bfd == NULL)
RETURN_NONFATAL (output_name);
if (bfd_check_format (this_element, bfd_object))
- copy_object (this_element, output_bfd);
+ delete = ! copy_object (this_element, output_bfd);
if (!bfd_close (output_bfd))
{
status = 1;
}
- if (preserve_dates && stat_status == 0)
- set_times (output_name, &buf);
+ if (delete)
+ {
+ unlink (output_name);
+ status = 1;
+ }
+ else
+ {
+ if (preserve_dates && stat_status == 0)
+ set_times (output_name, &buf);
- /* Open the newly output file and attach to our list. */
- output_bfd = bfd_openr (output_name, output_target);
+ /* Open the newly output file and attach to our list. */
+ output_bfd = bfd_openr (output_name, output_target);
- l->obfd = output_bfd;
+ l->obfd = output_bfd;
- *ptr = output_bfd;
- ptr = &output_bfd->next;
+ *ptr = output_bfd;
+ ptr = &output_bfd->next;
- last_element = this_element;
+ last_element = this_element;
- this_element = bfd_openr_next_archived_file (ibfd, last_element);
+ this_element = bfd_openr_next_archived_file (ibfd, last_element);
- bfd_close (last_element);
+ bfd_close (last_element);
+ }
}
- *ptr = (bfd *) NULL;
+ *ptr = NULL;
if (!bfd_close (obfd))
RETURN_NONFATAL (bfd_get_filename (obfd));
char **obj_matching;
char **core_matching;
+ if (get_file_size (input_filename) < 1)
+ {
+ status = 1;
+ return;
+ }
+
/* To allow us to do "strip *" without dying on the first
non-object file, failures are nonfatal. */
ibfd = bfd_openr (input_filename, input_target);
else if (bfd_check_format_matches (ibfd, bfd_object, &obj_matching))
{
bfd *obfd;
+ bfd_boolean delete;
do_copy:
+
/* bfd_get_target does not return the correct value until
bfd_check_format succeeds. */
if (output_target == NULL)
if (obfd == NULL)
RETURN_NONFATAL (output_filename);
- copy_object (ibfd, obfd);
+ delete = ! copy_object (ibfd, obfd);
if (!bfd_close (obfd))
RETURN_NONFATAL (output_filename);
if (!bfd_close (ibfd))
RETURN_NONFATAL (input_filename);
+
+ if (delete)
+ {
+ unlink (output_filename);
+ status = 1;
+ }
}
else
{
fatal (_("Multiple renames of section %s"), old_name);
}
- rename = (section_rename *) xmalloc (sizeof (* rename));
+ rename = xmalloc (sizeof (* rename));
rename->old_name = old_name;
rename->new_name = new_name;
static void
setup_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
{
- bfd *obfd = (bfd *) obfdarg;
+ bfd *obfd = obfdarg;
struct section_list *p;
sec_ptr osection;
bfd_size_type size;
if (p != NULL && p->set_flags)
flags = p->flags | (flags & (SEC_HAS_CONTENTS | SEC_RELOC));
+ else if (strip_symbols == STRIP_NONDEBUG && (flags & SEC_ALLOC) != 0)
+ {
+ flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
+ if (obfd->xvec->flavour == bfd_target_elf_flavour)
+ elf_section_type (osection) = SHT_NOBITS;
+ }
+
if (!bfd_set_section_flags (obfd, osection, flags))
{
err = _("flags");
static void
copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg)
{
- bfd *obfd = (bfd *) obfdarg;
+ bfd *obfd = obfdarg;
struct section_list *p;
arelent **relpp;
long relcount;
if (bfd_get_format (obfd) == bfd_core)
relsize = 0;
else
- relsize = bfd_get_reloc_upper_bound (ibfd, isection);
+ {
+ relsize = bfd_get_reloc_upper_bound (ibfd, isection);
- if (relsize < 0)
- RETURN_NONFATAL (bfd_get_filename (ibfd));
+ if (relsize < 0)
+ {
+ /* Do not complain if the target does not support relocations. */
+ if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
+ relsize = 0;
+ else
+ RETURN_NONFATAL (bfd_get_filename (ibfd));
+ }
+ }
if (relsize == 0)
- bfd_set_reloc (obfd, osection, (arelent **) NULL, 0);
+ bfd_set_reloc (obfd, osection, NULL, 0);
else
{
- relpp = (arelent **) xmalloc (relsize);
+ relpp = xmalloc (relsize);
relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp);
if (relcount < 0)
RETURN_NONFATAL (bfd_get_filename (ibfd));
long temp_relcount = 0;
long i;
- temp_relpp = (arelent **) xmalloc (relsize);
+ temp_relpp = xmalloc (relsize);
for (i = 0; i < relcount; i++)
- if (is_specified_symbol
- (bfd_asymbol_name (*relpp [i]->sym_ptr_ptr),
- keep_specific_list))
+ if (is_specified_symbol (bfd_asymbol_name (*relpp[i]->sym_ptr_ptr),
+ keep_specific_list))
temp_relpp [temp_relcount++] = relpp [i];
relcount = temp_relcount;
free (relpp);
relpp = temp_relpp;
}
- bfd_set_reloc (obfd, osection,
- (relcount == 0 ? (arelent **) NULL : relpp), relcount);
+ bfd_set_reloc (obfd, osection, relcount == 0 ? NULL : relpp, relcount);
+ if (relcount == 0)
+ free (relpp);
}
isection->_cooked_size = isection->_raw_size;
if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
&& bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
{
- void *memhunk = (void *) xmalloc ((unsigned) size);
+ void *memhunk = xmalloc (size);
- if (!bfd_get_section_contents (ibfd, isection, memhunk, (file_ptr) 0,
- size))
+ if (!bfd_get_section_contents (ibfd, isection, memhunk, 0, size))
RETURN_NONFATAL (bfd_get_filename (ibfd));
if (copy_byte >= 0)
- filter_bytes (memhunk, &size);
+ {
+ /* Keep only every `copy_byte'th byte in MEMHUNK. */
+ char *from = (char *) memhunk + copy_byte;
+ char *to = memhunk;
+ char *end = (char *) memhunk + size;
- if (!bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0,
- size))
+ for (; from < end; from += interleave)
+ *to++ = *from;
+
+ size = (size + interleave - 1 - copy_byte) / interleave;
+ osection->lma /= interleave;
+ }
+
+ if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size))
RETURN_NONFATAL (bfd_get_filename (obfd));
free (memhunk);
}
else if (p != NULL && p->set_flags && (p->flags & SEC_HAS_CONTENTS) != 0)
{
- void * memhunk = (void *) xmalloc ((unsigned) size);
+ void *memhunk = xmalloc (size);
/* We don't permit the user to turn off the SEC_HAS_CONTENTS
flag--they can just remove the section entirely and add it
contents should be zeroed out. */
memset (memhunk, 0, size);
- if (! bfd_set_section_contents (obfd, osection, memhunk, (file_ptr) 0,
- size))
+ if (! bfd_set_section_contents (obfd, osection, memhunk, 0, size))
RETURN_NONFATAL (bfd_get_filename (obfd));
free (memhunk);
}
static void
get_sections (bfd *obfd ATTRIBUTE_UNUSED, asection *osection, void *secppparg)
{
- asection ***secppp = (asection ***) secppparg;
+ asection ***secppp = secppparg;
**secppp = osection;
++(*secppp);
static int
compare_section_lma (const void *arg1, const void *arg2)
{
- const asection **sec1 = (const asection **) arg1;
- const asection **sec2 = (const asection **) arg2;
+ const asection *const *sec1 = arg1;
+ const asection *const *sec2 = arg2;
flagword flags1, flags2;
/* Sort non loadable sections to the front. */
static void
mark_symbols_used_in_relocations (bfd *ibfd, sec_ptr isection, void *symbolsarg)
{
- asymbol **symbols = (asymbol **) symbolsarg;
+ asymbol **symbols = symbolsarg;
long relsize;
arelent **relpp;
long relcount, i;
relsize = bfd_get_reloc_upper_bound (ibfd, isection);
if (relsize < 0)
- bfd_fatal (bfd_get_filename (ibfd));
+ {
+ /* Do not complain if the target does not support relocations. */
+ if (relsize == -1 && bfd_get_error () == bfd_error_invalid_operation)
+ return;
+ bfd_fatal (bfd_get_filename (ibfd));
+ }
if (relsize == 0)
return;
- relpp = (arelent **) xmalloc (relsize);
+ relpp = xmalloc (relsize);
relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, symbols);
if (relcount < 0)
bfd_fatal (bfd_get_filename (ibfd));
the next thing the caller is going to do is copy over the
real sections. We may someday have to split the contents
setting out of this function. */
- if (! bfd_set_section_contents (obfd, stabsec, syms, (file_ptr) 0,
- symsize)
- || ! bfd_set_section_contents (obfd, stabstrsec, strings,
- (file_ptr) 0, stringsize))
+ if (! bfd_set_section_contents (obfd, stabsec, syms, 0, symsize)
+ || ! bfd_set_section_contents (obfd, stabstrsec, strings, 0,
+ stringsize))
{
non_fatal (_("%s: can't set debugging section contents: %s"),
bfd_get_filename (obfd),
struct section_list *p;
char *output_file = NULL;
- while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVv",
+ while ((c = getopt_long (argc, argv, "I:O:F:K:N:R:o:sSpdgxXHhVvw",
strip_options, (int *) 0)) != EOF)
{
switch (c)
case 0:
/* We've been given a long option. */
break;
+ case 'w':
+ wildcard = TRUE;
+ break;
case 'H':
case 'h':
strip_usage (stdout, 0);
&& strip_specific_list == NULL)
strip_symbols = STRIP_ALL;
- if (output_target == (char *) NULL)
+ if (output_target == NULL)
output_target = input_target;
i = optind;
struct stat statbuf;
char *tmpname;
+ if (get_file_size (argv[i]) < 1)
+ continue;
+
if (preserve_dates)
- {
- if (stat (argv[i], &statbuf) < 0)
- {
- non_fatal (_("%s: cannot stat: %s"), argv[i], strerror (errno));
- continue;
- }
- }
+ /* No need to check the return value of stat().
+ It has already been checked in get_file_size(). */
+ stat (argv[i], &statbuf);
if (output_file != NULL)
tmpname = output_file;
struct section_list *p;
struct stat statbuf;
- while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:",
+ while ((c = getopt_long (argc, argv, "b:B:i:I:j:K:N:s:O:d:F:L:G:R:SpgxXHhVvW:w",
copy_options, (int *) 0)) != EOF)
{
switch (c)
preserve_dates = TRUE;
break;
+ case 'w':
+ wildcard = TRUE;
+ break;
+
case 'x':
discard_locals = LOCALS_ALL;
break;
case OPTION_ADD_SECTION:
{
const char *s;
- struct stat st;
+ off_t size;
struct section_add *pa;
int len;
char *name;
if (s == NULL)
fatal (_("bad format for %s"), "--add-section");
- if (stat (s + 1, & st) < 0)
- fatal (_("cannot stat: %s: %s"), s + 1, strerror (errno));
+ size = get_file_size (s + 1);
+ if (size < 1)
+ break;
- pa = (struct section_add *) xmalloc (sizeof (struct section_add));
+ pa = xmalloc (sizeof (struct section_add));
len = s - optarg;
- name = (char *) xmalloc (len + 1);
+ name = xmalloc (len + 1);
strncpy (name, optarg, len);
name[len] = '\0';
pa->name = name;
pa->filename = s + 1;
+ pa->size = size;
+ pa->contents = xmalloc (size);
- pa->size = st.st_size;
-
- pa->contents = (bfd_byte *) xmalloc (pa->size);
f = fopen (pa->filename, FOPEN_RB);
if (f == NULL)
}
len = s - optarg;
- name = (char *) xmalloc (len + 1);
+ name = xmalloc (len + 1);
strncpy (name, optarg, len);
name[len] = '\0';
fatal (_("bad format for %s"), "--redefine-sym");
len = s - optarg;
- source = (char *) xmalloc (len + 1);
+ source = xmalloc (len + 1);
strncpy (source, optarg, len);
source[len] = '\0';
nextarg = s + 1;
len = strlen (nextarg);
- target = (char *) xmalloc (len + 1);
+ target = xmalloc (len + 1);
strcpy (target, nextarg);
redefine_list_append ("--redefine-sym", source, target);
fatal (_("bad format for %s"), "--set-section-flags");
len = s - optarg;
- name = (char *) xmalloc (len + 1);
+ name = xmalloc (len + 1);
strncpy (name, optarg, len);
name[len] = '\0';
if (len == 0)
fatal (_("bad format for %s"), "--rename-section");
- old_name = (char *) xmalloc (len + 1);
+ old_name = xmalloc (len + 1);
strncpy (old_name, optarg, len);
old_name[len] = 0;
if (len == 0)
fatal (_("bad format for %s"), "--rename-section");
- new_name = (char *) xmalloc (len + 1);
+ new_name = xmalloc (len + 1);
strncpy (new_name, eq, len);
new_name[len] = 0;
prefix_alloc_sections_string = optarg;
break;
+ case OPTION_READONLY_TEXT:
+ bfd_flags_to_set |= WP_TEXT;
+ bfd_flags_to_clear &= ~WP_TEXT;
+ break;
+
+ case OPTION_WRITABLE_TEXT:
+ bfd_flags_to_clear |= WP_TEXT;
+ bfd_flags_to_set &= ~WP_TEXT;
+ break;
+
+ case OPTION_PURE:
+ bfd_flags_to_set |= D_PAGED;
+ bfd_flags_to_clear &= ~D_PAGED;
+ break;
+
+ case OPTION_IMPURE:
+ bfd_flags_to_clear |= D_PAGED;
+ bfd_flags_to_set &= ~D_PAGED;
+ break;
+
case 0:
/* We've been given a long option. */
break;
if (strip_symbols == STRIP_UNDEF && discard_locals == LOCALS_UNDEF)
strip_symbols = STRIP_NONE;
- if (output_target == (char *) NULL)
+ if (output_target == NULL)
output_target = input_target;
- if (binary_architecture != (char *) NULL)
+ if (binary_architecture != NULL)
{
if (input_target && strcmp (input_target, "binary") == 0)
{
temp_arch_info = bfd_scan_arch (binary_architecture);
if (temp_arch_info != NULL)
- bfd_external_binary_architecture = temp_arch_info->arch;
+ {
+ bfd_external_binary_architecture = temp_arch_info->arch;
+ bfd_external_machine = temp_arch_info->mach;
+ }
else
fatal (_("architecture %s unknown"), binary_architecture);
}
if (preserve_dates)
if (stat (input_filename, & statbuf) < 0)
- fatal (_("Cannot stat: %s: %s"), input_filename, strerror (errno));
+ fatal (_("warning: could not locate '%s'. System error message: %s"),
+ input_filename, strerror (errno));
/* If there is no destination file, or the source and destination files
- are the same, then create a temp and rename the result into the input. */
- if ((output_filename == (char *) NULL) ||
- (strcmp (input_filename, output_filename) == 0))
+ are the same, then create a temp and rename the result into the input. */
+ if (output_filename == NULL || strcmp (input_filename, output_filename) == 0)
{
char *tmpname = make_tempname (input_filename);