/* 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, 2004, 2005, 2006, 2007, 2008, 2009
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of GNU Binutils.
static asymbol **isympp = NULL; /* Input symbols. */
static asymbol **osympp = NULL; /* Output symbols that survive stripping. */
-/* If `copy_byte' >= 0, copy only that byte of every `interleave' bytes. */
+/* If `copy_byte' >= 0, copy 'copy_width' byte(s) of every `interleave' bytes. */
static int copy_byte = -1;
-static int interleave = 4;
+static int interleave = 0; /* Initialised to 4 in copy_main(). */
+static int copy_width = 1;
static bfd_boolean verbose; /* Print file and target names. */
static bfd_boolean preserve_dates; /* Preserve input file timestamp. */
/* Whether to convert debugging information. */
static bfd_boolean convert_debugging = FALSE;
+/* Whether to compress/decompress DWARF debug sections. */
+static enum
+{
+ nothing,
+ compress,
+ decompress
+} do_debug_sections = nothing;
+
/* Whether to change the leading character in symbol names. */
static bfd_boolean change_leading_char = FALSE;
OPTION_CHANGE_SECTION_LMA,
OPTION_CHANGE_SECTION_VMA,
OPTION_CHANGE_WARNINGS,
+ OPTION_COMPRESS_DEBUG_SECTIONS,
OPTION_DEBUGGING,
+ OPTION_DECOMPRESS_DEBUG_SECTIONS,
OPTION_GAP_FILL,
OPTION_NO_CHANGE_WARNINGS,
OPTION_PAD_TO,
OPTION_IMAGE_BASE,
OPTION_SECTION_ALIGNMENT,
OPTION_STACK,
+ OPTION_INTERLEAVE_WIDTH,
OPTION_SUBSYSTEM
};
{"change-section-vma", required_argument, 0, OPTION_CHANGE_SECTION_VMA},
{"change-start", required_argument, 0, OPTION_CHANGE_START},
{"change-warnings", no_argument, 0, OPTION_CHANGE_WARNINGS},
+ {"compress-debug-sections", no_argument, 0, OPTION_COMPRESS_DEBUG_SECTIONS},
{"debugging", no_argument, 0, OPTION_DEBUGGING},
+ {"decompress-debug-sections", no_argument, 0, OPTION_DECOMPRESS_DEBUG_SECTIONS},
{"discard-all", no_argument, 0, 'x'},
{"discard-locals", no_argument, 0, 'X'},
{"extract-symbol", no_argument, 0, OPTION_EXTRACT_SYMBOL},
{"info", no_argument, 0, OPTION_FORMATS_INFO},
{"input-format", required_argument, 0, 'I'}, /* Obsolete */
{"input-target", required_argument, 0, 'I'},
- {"interleave", required_argument, 0, 'i'},
+ {"interleave", optional_argument, 0, 'i'},
+ {"interleave-width", required_argument, 0, OPTION_INTERLEAVE_WIDTH},
{"keep-file-symbols", no_argument, 0, OPTION_KEEP_FILE_SYMBOLS},
{"keep-global-symbol", required_argument, 0, 'G'},
{"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS},
on by the --srec-forceS3 command line switch. */
extern bfd_boolean S3Forced;
-/* 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 setup_bfd_headers (bfd *, bfd *);
fprintf (stream, _("\
-I --input-target <bfdname> Assume input file is in format <bfdname>\n\
-O --output-target <bfdname> Create an output file in format <bfdname>\n\
- -B --binary-architecture <arch> Set arch of output file, when input is binary\n\
+ -B --binary-architecture <arch> Set output arch, when input is arch-less\n\
-F --target <bfdname> Set both input and output format to <bfdname>\n\
--debugging Convert debugging information, if possible\n\
-p --preserve-dates Copy modified/access timestamps to the output\n\
-w --wildcard Permit wildcard in symbol comparison\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\
+ -i --interleave [<number>] Only copy N out of every <number> bytes\n\
+ --interleave-width <number> Set N for --interleave\n\
-b --byte <num> Select byte <num> in every interleaved block\n\
--gap-fill <val> Fill gaps between sections with <val>\n\
--pad-to <addr> Pad the last section up to address <addr>\n\
--stack <reserve>[,<commit>] Set PE reserve/commit stack to <reserve>/\n\
<commit>\n\
--subsystem <name>[:<version>]\n\
- Set PE subsystem to <name> [& <version>]\n]\
+ Set PE subsystem to <name> [& <version>]\n\
+ --compress-debug-sections Compress DWARF debug sections using zlib\n\
+ --decompress-debug-sections Decompress DWARF debug sections using zlib\n\
-v --verbose List all object files modified\n\
@<file> Read options from <file>\n\
-V --version Display this program's version number\n\
asymbol *gsym;
const char *gname;
- /* PR binutils/3166
- Group sections look like debugging sections but they are not.
- (They have a non-zero size but they are not ALLOCated). */
- if (strip_symbols == STRIP_NONDEBUG)
- return TRUE;
-
/* PR binutils/3181
If we are going to strip the group signature symbol, then
strip the group section too. */
filename, strerror (errno));
bufsize = 100;
- buf = (char *) xmalloc (bufsize);
+ buf = (char *) xmalloc (bufsize + 1 /* For the terminating NUL. */);
lineno = 1;
c = getc (file);
if (len >= bufsize)
{
bufsize *= 2;
- buf = (char *) xrealloc (buf, bufsize);
+ buf = (char *) xrealloc (buf, bufsize + 1);
}
c = getc (file);
}
if (len >= bufsize)
{
bufsize *= 2;
- buf = (char *) xrealloc (buf, bufsize);
+ buf = (char *) xrealloc (buf, bufsize + 1);
}
c = getc (file);
}
ncopied += tocopy;
}
- chmod (bfd_get_filename (obfd), buf.st_mode);
+ /* We should at least to be able to read it back when copying an
+ unknown object in an archive. */
+ chmod (bfd_get_filename (obfd), buf.st_mode | S_IRUSR);
free (cbuf);
return TRUE;
}
Returns TRUE upon success, FALSE otherwise. */
static bfd_boolean
-copy_object (bfd *ibfd, bfd *obfd)
+copy_object (bfd *ibfd, bfd *obfd, const bfd_arch_info_type *input_arch)
{
bfd_vma start;
long symcount;
/* Copy architecture of input file to output file. */
iarch = bfd_get_arch (ibfd);
imach = bfd_get_mach (ibfd);
+ if (input_arch)
+ {
+ if (bfd_get_arch_info (ibfd) == NULL
+ || bfd_get_arch_info (ibfd)->arch == bfd_arch_unknown)
+ {
+ iarch = input_arch->arch;
+ imach = input_arch->mach;
+ }
+ else
+ non_fatal (_("Input file `%s' ignores binary architecture parameter."),
+ bfd_get_archive_filename (ibfd));
+ }
if (!bfd_set_arch_mach (obfd, iarch, imach)
&& (ibfd->target_defaulted
|| bfd_get_arch (ibfd) != bfd_get_arch (obfd)))
non_fatal (_("Unable to recognise the format of the input file `%s'"),
bfd_get_archive_filename (ibfd));
else
- non_fatal (_("Warning: Output file cannot represent architecture `%s'"),
+ non_fatal (_("Output file cannot represent architecture `%s'"),
bfd_printable_arch_mach (bfd_get_arch (ibfd),
bfd_get_mach (ibfd)));
return FALSE;
}
else
{
- padd->section = bfd_make_section_with_flags (obfd, padd->name, flags);
+ /* We use LINKER_CREATED here so that the backend hooks
+ will create any special section type information,
+ instead of presuming we know what we're doing merely
+ because we set the flags. */
+ padd->section = bfd_make_section_with_flags
+ (obfd, padd->name, flags | SEC_LINKER_CREATED);
if (padd->section == NULL)
{
bfd_nonfatal_message (NULL, obfd, NULL,
static void
copy_archive (bfd *ibfd, bfd *obfd, const char *output_target,
- bfd_boolean force_output_target)
+ bfd_boolean force_output_target,
+ const bfd_arch_info_type *input_arch)
{
struct name_list
{
struct stat buf;
int stat_status = 0;
bfd_boolean del = TRUE;
+ bfd_boolean ok_object;
/* Create an output file for this member. */
output_name = concat (dir, "/",
l->obfd = NULL;
list = l;
- if (bfd_check_format (this_element, bfd_object))
+ ok_object = bfd_check_format (this_element, bfd_object);
+ if (!ok_object)
+ bfd_nonfatal_message (NULL, this_element, NULL,
+ _("Unable to recognise the format of file"));
+
+ /* PR binutils/3110: Cope with archives
+ containing multiple target types. */
+ if (force_output_target || !ok_object)
+ output_bfd = bfd_openw (output_name, output_target);
+ else
+ output_bfd = bfd_openw (output_name, bfd_get_target (this_element));
+
+ if (output_bfd == NULL)
{
- /* PR binutils/3110: Cope with archives
- containing multiple target types. */
- if (force_output_target)
- output_bfd = bfd_openw (output_name, output_target);
- else
- output_bfd = bfd_openw (output_name, bfd_get_target (this_element));
+ bfd_nonfatal_message (output_name, NULL, NULL, NULL);
+ status = 1;
+ return;
+ }
- if (output_bfd == NULL)
+ if (ok_object)
+ {
+ del = !copy_object (this_element, output_bfd, input_arch);
+
+ if (del && bfd_get_arch (this_element) == bfd_arch_unknown)
+ /* Try again as an unknown object file. */
+ ok_object = FALSE;
+ else if (!bfd_close (output_bfd))
{
bfd_nonfatal_message (output_name, NULL, NULL, NULL);
+ /* Error in new object file. Don't change archive. */
status = 1;
- return;
}
-
- del = ! copy_object (this_element, output_bfd);
-
- if (! del
- || bfd_get_arch (this_element) != bfd_arch_unknown)
- {
- if (!bfd_close (output_bfd))
- {
- bfd_nonfatal_message (output_name, NULL, NULL, NULL);
- /* Error in new object file. Don't change archive. */
- status = 1;
- }
- }
- else
- goto copy_unknown_element;
}
- else
- {
- bfd_nonfatal_message (NULL, this_element, NULL,
- _("Unable to recognise the format of file"));
- output_bfd = bfd_openw (output_name, output_target);
-copy_unknown_element:
+ if (!ok_object)
+ {
del = !copy_unknown_object (this_element, output_bfd);
if (!bfd_close_all_done (output_bfd))
{
static void
copy_file (const char *input_filename, const char *output_filename,
- const char *input_target, const char *output_target)
+ const char *input_target, const char *output_target,
+ const bfd_arch_info_type *input_arch)
{
bfd *ibfd;
char **obj_matching;
return;
}
+ switch (do_debug_sections)
+ {
+ case compress:
+ ibfd->flags |= BFD_COMPRESS;
+ break;
+ case decompress:
+ ibfd->flags |= BFD_DECOMPRESS;
+ break;
+ default:
+ break;
+ }
+
if (bfd_check_format (ibfd, bfd_archive))
{
bfd_boolean force_output_target;
/* This is a no-op on non-Coff targets. */
set_long_section_mode (obfd, ibfd, long_section_names);
- copy_archive (ibfd, obfd, output_target, force_output_target);
+ copy_archive (ibfd, obfd, output_target, force_output_target, input_arch);
}
else if (bfd_check_format_matches (ibfd, bfd_object, &obj_matching))
{
/* This is a no-op on non-Coff targets. */
set_long_section_mode (obfd, ibfd, long_section_names);
- if (! copy_object (ibfd, obfd))
+ if (! copy_object (ibfd, obfd, input_arch))
status = 1;
if (!bfd_close (obfd))
add_section_rename (const char * old_name, const char * new_name,
flagword flags)
{
- section_rename * rename;
+ section_rename * srename;
/* Check for conflicts first. */
- for (rename = section_rename_list; rename != NULL; rename = rename->next)
- if (strcmp (rename->old_name, old_name) == 0)
+ for (srename = section_rename_list; srename != NULL; srename = srename->next)
+ if (strcmp (srename->old_name, old_name) == 0)
{
/* Silently ignore duplicate definitions. */
- if (strcmp (rename->new_name, new_name) == 0
- && rename->flags == flags)
+ if (strcmp (srename->new_name, new_name) == 0
+ && srename->flags == flags)
return;
fatal (_("Multiple renames of section %s"), old_name);
}
- rename = (section_rename *) xmalloc (sizeof (* rename));
+ srename = (section_rename *) xmalloc (sizeof (* srename));
- rename->old_name = old_name;
- rename->new_name = new_name;
- rename->flags = flags;
- rename->next = section_rename_list;
+ srename->old_name = old_name;
+ srename->new_name = new_name;
+ srename->flags = flags;
+ srename->next = section_rename_list;
- section_rename_list = rename;
+ section_rename_list = srename;
}
/* Check the section rename list for a new name of the input section
flagword * returned_flags)
{
const char * old_name = bfd_section_name (ibfd, isection);
- section_rename * rename;
+ section_rename * srename;
/* Default to using the flags of the input section. */
* returned_flags = bfd_get_section_flags (ibfd, isection);
- for (rename = section_rename_list; rename != NULL; rename = rename->next)
- if (strcmp (rename->old_name, old_name) == 0)
+ for (srename = section_rename_list; srename != NULL; srename = srename->next)
+ if (strcmp (srename->old_name, old_name) == 0)
{
- if (rename->flags != (flagword) -1)
- * returned_flags = rename->flags;
+ if (srename->flags != (flagword) -1)
+ * returned_flags = srename->flags;
- return rename->new_name;
+ return srename->new_name;
}
return old_name;
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
- && (ibfd->xvec->flavour != bfd_target_elf_flavour
- || elf_section_type (isection) != SHT_NOTE))
+ && (flags & (SEC_ALLOC | SEC_GROUP)) != 0
+ && !(ibfd->xvec->flavour == bfd_target_elf_flavour
+ && elf_section_type (isection) == SHT_NOTE))
{
- flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
+ flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD | SEC_GROUP);
if (obfd->xvec->flavour == bfd_target_elf_flavour)
{
make_nobits = TRUE;
elf.c:copy_private_bfd_data that section flags have not
changed between input and output sections. This hack
prevents wholesale rewriting of the program headers. */
- isection->flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD);
+ isection->flags &= ~(SEC_HAS_CONTENTS | SEC_LOAD | SEC_GROUP);
}
}
size = bfd_section_size (ibfd, isection);
if (copy_byte >= 0)
- size = (size + interleave - 1) / interleave;
+ size = (size + interleave - 1) / interleave * copy_width;
else if (extract_symbol)
size = 0;
if (! bfd_set_section_size (obfd, osection, size))
if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS
&& bfd_get_section_flags (obfd, osection) & SEC_HAS_CONTENTS)
{
- void *memhunk = xmalloc (size);
+ bfd_byte *memhunk = NULL;
- if (!bfd_get_section_contents (ibfd, isection, memhunk, 0, size))
+ if (!bfd_get_full_section_contents (ibfd, isection, &memhunk))
{
status = 1;
bfd_nonfatal_message (NULL, ibfd, isection, NULL);
char *from = (char *) memhunk + copy_byte;
char *to = (char *) memhunk;
char *end = (char *) memhunk + size;
+ int i;
for (; from < end; from += interleave)
- *to++ = *from;
+ for (i = 0; i < copy_width; i++)
+ *to++ = from[i];
- size = (size + interleave - 1 - copy_byte) / interleave;
+ size = (size + interleave - 1 - copy_byte) / interleave * copy_width;
osection->lma /= interleave;
}
It has already been checked in get_file_size(). */
stat (argv[i], &statbuf);
- if (output_file == NULL || strcmp (argv[i], output_file) == 0)
+ if (output_file == NULL
+ || filename_cmp (argv[i], output_file) == 0)
tmpname = make_tempname (argv[i]);
else
tmpname = output_file;
}
status = 0;
- copy_file (argv[i], tmpname, input_target, output_target);
+ copy_file (argv[i], tmpname, input_target, output_target, NULL);
if (status == 0)
{
if (preserve_dates)
pe_section_alignment = PE_DEF_SECTION_ALIGNMENT;
break;
}
+ if (s != subsystem)
+ free ((char *) subsystem);
}
/* Convert EFI target to PEI target. */
static int
copy_main (int argc, char *argv[])
{
- char * binary_architecture = NULL;
char *input_filename = NULL;
char *output_filename = NULL;
char *tmpname;
int c;
struct section_list *p;
struct stat statbuf;
+ const bfd_arch_info_type *input_arch = NULL;
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)
break;
case 'B':
- binary_architecture = optarg;
+ input_arch = bfd_scan_arch (optarg);
+ if (input_arch == NULL)
+ fatal (_("architecture %s unknown"), optarg);
break;
case 'i':
- interleave = atoi (optarg);
- if (interleave < 1)
- fatal (_("interleave must be positive"));
+ if (optarg)
+ {
+ interleave = atoi (optarg);
+ if (interleave < 1)
+ fatal (_("interleave must be positive"));
+ }
+ else
+ interleave = 4;
+ break;
+
+ case OPTION_INTERLEAVE_WIDTH:
+ copy_width = atoi (optarg);
+ if (copy_width < 1)
+ fatal(_("interleave width must be positive"));
break;
case 'I':
case OPTION_ADD_SECTION:
{
const char *s;
- off_t size;
+ size_t off, alloc;
struct section_add *pa;
- int len;
- char *name;
FILE *f;
s = strchr (optarg, '=');
if (s == NULL)
fatal (_("bad format for %s"), "--add-section");
- size = get_file_size (s + 1);
- if (size < 1)
- {
- status = 1;
- break;
- }
-
pa = (struct section_add *) xmalloc (sizeof (struct section_add));
-
- len = s - optarg;
- name = (char *) xmalloc (len + 1);
- strncpy (name, optarg, len);
- name[len] = '\0';
- pa->name = name;
-
+ pa->name = xstrndup (optarg, s - optarg);
pa->filename = s + 1;
- pa->size = size;
- pa->contents = (bfd_byte *) xmalloc (size);
- f = fopen (pa->filename, FOPEN_RB);
+ /* We don't use get_file_size so that we can do
+ --add-section .note.GNU_stack=/dev/null
+ get_file_size doesn't work on /dev/null. */
+ f = fopen (pa->filename, FOPEN_RB);
if (f == NULL)
fatal (_("cannot open: %s: %s"),
pa->filename, strerror (errno));
- if (fread (pa->contents, 1, pa->size, f) == 0
- || ferror (f))
- fatal (_("%s: fread failed"), pa->filename);
+ off = 0;
+ alloc = 4096;
+ pa->contents = (bfd_byte *) xmalloc (alloc);
+ while (!feof (f))
+ {
+ off_t got;
+
+ if (off == alloc)
+ {
+ alloc <<= 1;
+ pa->contents = (bfd_byte *) xrealloc (pa->contents, alloc);
+ }
+
+ got = fread (pa->contents + off, 1, alloc - off, f);
+ if (ferror (f))
+ fatal (_("%s: fread failed"), pa->filename);
+
+ off += got;
+ }
+
+ pa->size = off;
fclose (f);
change_leading_char = TRUE;
break;
+ case OPTION_COMPRESS_DEBUG_SECTIONS:
+ do_debug_sections = compress;
+ break;
+
case OPTION_DEBUGGING:
convert_debugging = TRUE;
break;
+ case OPTION_DECOMPRESS_DEBUG_SECTIONS:
+ do_debug_sections = decompress;
+ break;
+
case OPTION_GAP_FILL:
{
bfd_vma gap_fill_vma;
if (show_version)
print_version ("objcopy");
+ if (interleave && copy_byte == -1)
+ fatal (_("interleave start byte must be set with --byte"));
+
if (copy_byte >= interleave)
fatal (_("byte number must be less than interleave"));
+ if (copy_width > interleave - copy_byte)
+ fatal (_("interleave width must be less than or equal to interleave - byte`"));
+
if (optind == argc || optind + 2 < argc)
copy_usage (stderr, 1);
convert_efi_target (efi);
}
- if (binary_architecture != NULL)
- {
- if (input_target && strcmp (input_target, "binary") == 0)
- {
- const bfd_arch_info_type * temp_arch_info;
-
- temp_arch_info = bfd_scan_arch (binary_architecture);
-
- if (temp_arch_info != NULL)
- {
- bfd_external_binary_architecture = temp_arch_info->arch;
- bfd_external_machine = temp_arch_info->mach;
- }
- else
- fatal (_("architecture %s unknown"), binary_architecture);
- }
- else
- {
- non_fatal (_("Warning: input target 'binary' required for binary architecture parameter."));
- non_fatal (_(" Argument %s ignored"), binary_architecture);
- }
- }
-
if (preserve_dates)
if (stat (input_filename, & statbuf) < 0)
fatal (_("warning: could not locate '%s'. System error message: %s"),
/* 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 == NULL || strcmp (input_filename, output_filename) == 0)
+ if (output_filename == NULL
+ || filename_cmp (input_filename, output_filename) == 0)
tmpname = make_tempname (input_filename);
else
tmpname = output_filename;
fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"),
input_filename, strerror (errno));
- copy_file (input_filename, tmpname, input_target, output_target);
+ copy_file (input_filename, tmpname, input_target, output_target, input_arch);
if (status == 0)
{
if (preserve_dates)
projects / deliverable / binutils-gdb.git / blobdiff