diff options
| -rw-r--r-- | binutils/ChangeLog | 11 | ||||
| -rw-r--r-- | binutils/doc/binutils.texi | 20 | ||||
| -rw-r--r-- | binutils/objcopy.c | 49 |
3 files changed, 76 insertions, 4 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 8e6fe75..bf46bce 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,14 @@ +2003-12-23 Ralf Baechle <ralf@gnu.org> + Maciej W. Rozycki <macro@ds2.pg.gda.pl> + + * objcopy.c (bfd_flags_to_set, bfd_flags_to_clear): New variables + to handle flags for tweaking. + (copy_options): New options: impure, pure, readonly-text, + writable-text. + (copy_usage, copy_object, command_line_switch): Handle the new + options. + * doc/binutils.texi: Document the new options. + 2003-12-22 Jakub Jelinek <jakub@redhat.com> * objdump.c (disassemble_bytes): Subtract rel_offset from printed diff --git a/binutils/doc/binutils.texi b/binutils/doc/binutils.texi index ffa680f..2e78720 100644 --- a/binutils/doc/binutils.texi +++ b/binutils/doc/binutils.texi @@ -976,6 +976,10 @@ objcopy [@option{-F} @var{bfdname}|@option{--target=}@var{bfdname}] [@option{--prefix-alloc-sections=}@var{string}] [@option{--add-gnu-debuglink=}@var{path-to-file}] [@option{--only-keep-debug}] + [@option{--writable-text}] + [@option{--readonly-text}] + [@option{--pure}] + [@option{--impure}] [@option{-v}|@option{--verbose}] [@option{-V}|@option{--version}] [@option{--help}] [@option{--info}] @@ -1357,6 +1361,22 @@ a machine is assigned an official code and the tool-chain adopts the new code, but other applications still depend on the original code being used. +@item --writable-text +Mark the output text as writable. This option isn't meaningful for all +object file formats. + +@item --readonly-text +Make the output text write protected. This option isn't meaningful for all +object file formats. + +@item --pure +Mark the output file as demand paged. This option isn't meaningful for all +object file formats. + +@item --impure +Mark the output file as impure. This option isn't meaningful for all +object file formats. + @item --prefix-symbols=@var{string} Prefix all symbols in the output file with @var{string}. diff --git a/binutils/objcopy.c b/binutils/objcopy.c index b861b74..ac60cb1 100644 --- a/binutils/objcopy.c +++ b/binutils/objcopy.c @@ -148,6 +148,10 @@ static bfd_vma pad_to; /* 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 { @@ -237,7 +241,11 @@ enum command_line_switch 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". */ @@ -295,6 +303,7 @@ static struct option copy_options[] = {"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'}, @@ -316,6 +325,8 @@ static struct option copy_options[] = {"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}, @@ -337,6 +348,7 @@ static struct option copy_options[] = {"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} }; @@ -434,6 +446,10 @@ copy_usage (FILE *stream, int exit_status) --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\ @@ -1127,10 +1143,15 @@ copy_object (bfd *ibfd, bfd *obfd) 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)))) + || !bfd_set_file_flags (obfd, flags)) RETURN_NONFATAL (bfd_get_filename (ibfd)); } @@ -2784,6 +2805,26 @@ copy_main (int argc, char *argv[]) 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; |