diff options
Diffstat (limited to 'binutils/objcopy.c')
| -rw-r--r-- | binutils/objcopy.c | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/binutils/objcopy.c b/binutils/objcopy.c index 84b9febbf3..2077fca481 100644 --- a/binutils/objcopy.c +++ b/binutils/objcopy.c @@ -194,6 +194,14 @@ static const char * gnu_debuglink_filename = NULL; /* 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; @@ -259,7 +267,9 @@ enum command_line_switch 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, @@ -357,7 +367,9 @@ static struct option copy_options[] = {"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}, @@ -551,6 +563,8 @@ copy_usage (FILE *stream, int exit_status) <commit>\n\ --subsystem <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\ @@ -2193,6 +2207,18 @@ copy_file (const char *input_filename, const char *output_filename, 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; @@ -2637,9 +2663,9 @@ copy_section (bfd *ibfd, sec_ptr isection, void *obfdarg) 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); @@ -3170,6 +3196,7 @@ copy_main (int argc, char *argv[]) struct section_list *p; struct stat statbuf; const bfd_arch_info_type *input_arch = NULL; + struct dwarf_debug_section *d; 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) @@ -3462,10 +3489,18 @@ copy_main (int argc, char *argv[]) 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; @@ -3877,6 +3912,22 @@ copy_main (int argc, char *argv[]) fatal (_("warning: could not create temporary file whilst copying '%s', (error: %s)"), input_filename, strerror (errno)); + switch (do_debug_sections) + { + case compress: + for (d = dwarf_debug_sections; d->uncompressed_name; d++) + add_section_rename (d->uncompressed_name, d->compressed_name, + (flagword) -1); + break; + case decompress: + for (d = dwarf_debug_sections; d->uncompressed_name; d++) + add_section_rename (d->compressed_name, d->uncompressed_name, + (flagword) -1); + break; + default: + break; + } + copy_file (input_filename, tmpname, input_target, output_target, input_arch); if (status == 0) { |