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author | Dave Korn <dave.korn@artimi.com> | 2009-04-14 09:47:44 +0000 |
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committer | Dave Korn <dave.korn@artimi.com> | 2009-04-14 09:47:44 +0000 |
commit | 0408dee693ad16f400bc1b0ff04ccd13777e04d5 (patch) | |
tree | ca7551e512b6718b84698ea061197562349f9bd1 /binutils/objcopy.c | |
parent | c38b10fa101227162ec08b2ecf1cd977c9380c4f (diff) | |
download | fsf-binutils-gdb-0408dee693ad16f400bc1b0ff04ccd13777e04d5.zip fsf-binutils-gdb-0408dee693ad16f400bc1b0ff04ccd13777e04d5.tar.gz fsf-binutils-gdb-0408dee693ad16f400bc1b0ff04ccd13777e04d5.tar.bz2 |
bfd/ChangeLog
* coffgen.c (make_a_section_from_file): Set the backend long
section names enable if long section names found on input.
* coffcode.h: Extend long section names documentation to match.
binutils/ChangeLog
* objcopy.c (enum long_section_name_handling): New enum type.
(enum command_line_switch): Add OPTION_LONG_SECTION_NAMES.
(copy_options[]): Add entry for --long-section-names option.
(copy_usage): Document it.
(set_long_section_mode): New subroutine.
(copy_file): Call it.
(copy_main): Accept OPTION_LONG_SECTION_NAMES and parse arg.
* doc/binutils.texi: Update objcopy documentation with details
of new option.
Diffstat (limited to 'binutils/objcopy.c')
-rw-r--r-- | binutils/objcopy.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/binutils/objcopy.c b/binutils/objcopy.c index 9dcf9b5..02e4d35 100644 --- a/binutils/objcopy.c +++ b/binutils/objcopy.c @@ -32,6 +32,8 @@ #include "elf-bfd.h" #include <sys/stat.h> #include "libbfd.h" +#include "coff/internal.h" +#include "libcoff.h" struct is_specified_symbol_predicate_data { @@ -216,6 +218,18 @@ static bfd_boolean extract_symbol = FALSE; of <reverse_bytes> bytes within each output section. */ static int reverse_bytes = 0; +/* For Coff objects, we may want to allow or disallow long section names, + or preserve them where found in the inputs. Debug info relies on them. */ +enum long_section_name_handling + { + DISABLE, + ENABLE, + KEEP + }; + +/* The default long section handling mode is to preserve them. + This is also the only behaviour for 'strip'. */ +static enum long_section_name_handling long_section_names = KEEP; /* 150 isn't special; it's just an arbitrary non-ASCII char value. */ enum command_line_switch @@ -247,6 +261,7 @@ enum command_line_switch OPTION_KEEP_SYMBOLS, OPTION_LOCALIZE_HIDDEN, OPTION_LOCALIZE_SYMBOLS, + OPTION_LONG_SECTION_NAMES, OPTION_GLOBALIZE_SYMBOL, OPTION_GLOBALIZE_SYMBOLS, OPTION_KEEPGLOBAL_SYMBOLS, @@ -340,6 +355,7 @@ static struct option copy_options[] = {"localize-hidden", no_argument, 0, OPTION_LOCALIZE_HIDDEN}, {"localize-symbol", required_argument, 0, 'L'}, {"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS}, + {"long-section-names", required_argument, 0, OPTION_LONG_SECTION_NAMES}, {"no-adjust-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, {"no-change-warnings", no_argument, 0, OPTION_NO_CHANGE_WARNINGS}, {"only-keep-debug", no_argument, 0, OPTION_ONLY_KEEP_DEBUG}, @@ -470,6 +486,8 @@ copy_usage (FILE *stream, int exit_status) Set section <name>'s properties to <flags>\n\ --add-section <name>=<file> Add section <name> found in <file> to output\n\ --rename-section <old>=<new>[,<flags>] Rename section <old> to <new>\n\ + --long-section-names {enable|disable|keep}\n\ + Handle long section names in Coff objects.\n\ --change-leading-char Force output format's leading character style\n\ --remove-leading-char Remove leading character from global symbols\n\ --reverse-bytes=<num> Reverse <num> bytes at a time, in output sections with content\n\ @@ -2025,6 +2043,18 @@ copy_unknown_element: rmdir (dir); } +static void +set_long_section_mode (bfd *output_bfd, bfd *input_bfd, enum long_section_name_handling style) +{ + /* This is only relevant to Coff targets. */ + if (bfd_get_flavour (output_bfd) == bfd_target_coff_flavour) + { + if (style == KEEP) + style = bfd_coff_long_section_names (input_bfd) ? ENABLE : DISABLE; + bfd_coff_set_long_section_names (output_bfd, style != DISABLE); + } +} + /* The top-level control. */ static void @@ -2073,6 +2103,8 @@ copy_file (const char *input_filename, const char *output_filename, status = 1; return; } + /* 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); } @@ -2093,6 +2125,8 @@ copy_file (const char *input_filename, const char *output_filename, status = 1; return; } + /* This is a no-op on non-Coff targets. */ + set_long_section_mode (obfd, ibfd, long_section_names); if (! copy_object (ibfd, obfd)) status = 1; @@ -3353,6 +3387,17 @@ copy_main (int argc, char *argv[]) add_specific_symbols (optarg, localize_specific_htab); break; + case OPTION_LONG_SECTION_NAMES: + if (!strcmp ("enable", optarg)) + long_section_names = ENABLE; + else if (!strcmp ("disable", optarg)) + long_section_names = DISABLE; + else if (!strcmp ("keep", optarg)) + long_section_names = KEEP; + else + fatal (_("unknown long section names option '%s'"), optarg); + break; + case OPTION_GLOBALIZE_SYMBOLS: add_specific_symbols (optarg, globalize_specific_htab); break; |