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* objcopy.c (use_alt_mach_code): New variable.

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(OPTION_ALT_MACH_CODE): Define.
(copy_options): Added --alt-machine-code.
(copy_main): Handle it.
(copy_object): Switch to alternate machine code if requested.
* doc/binutils.texi: Document new option.
* NEWS: Likewise.
This commit is contained in:
Alexandre Oliva
2001-08-24 13:56:11 +00:00
parent 8c98ec7dcc
commit 1ae8b3d2a0
4 changed files with 43 additions and 0 deletions
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21
binutils/objcopy.c
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@ -171,6 +171,9 @@ static bfd_byte gap_fill = 0;
static boolean pad_to_set = false;
static bfd_vma pad_to;
/* Use alternate machine code? */
static int use_alt_mach_code = 0;
/* List of sections to add. */
struct section_add
{
@ -240,6 +243,7 @@ static boolean weaken = false;
#define OPTION_KEEPGLOBAL_SYMBOLS (OPTION_LOCALIZE_SYMBOLS + 1)
#define OPTION_WEAKEN_SYMBOLS (OPTION_KEEPGLOBAL_SYMBOLS + 1)
#define OPTION_RENAME_SECTION (OPTION_WEAKEN_SYMBOLS + 1)
#define OPTION_ALT_MACH_CODE (OPTION_RENAME_SECTION + 1)
/* Options to handle if running as "strip". */
@ -326,6 +330,7 @@ static struct option copy_options[] =
{"keep-global-symbols", required_argument, 0, OPTION_KEEPGLOBAL_SYMBOLS},
{"localize-symbols", required_argument, 0, OPTION_LOCALIZE_SYMBOLS},
{"weaken-symbols", required_argument, 0, OPTION_WEAKEN_SYMBOLS},
{"alt-machine-code", required_argument, 0, OPTION_ALT_MACH_CODE},
{0, no_argument, 0, 0}
};
@ -408,6 +413,7 @@ copy_usage (stream, exit_status)
--localize-symbols <file> -L for all symbols listed in <file>\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\
-v --verbose List all object files modified\n\
-V --version Display this program's version number\n\
-h --help Display this output\n\
@ -1244,6 +1250,15 @@ copy_object (ibfd, obfd)
status = 1;
return;
}
/* 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"));
}
}
/* Read each archive element in turn from IBFD, copy the
@ -2462,6 +2477,12 @@ copy_main (argc, argv)
add_specific_symbols (optarg, &weaken_specific_list);
break;
case OPTION_ALT_MACH_CODE:
use_alt_mach_code = atoi (optarg);
if (use_alt_mach_code <= 0)
fatal (_("alternate machine code index must be positive"));
break;
case 0:
break; /* we've been given a long option */