contrib/binutils/ld/emulparams/elf64alpha.sh

   1 # $FreeBSD: src/contrib/binutils/ld/emulparams/elf64alpha.sh,v 1.3.2.2 2002/09/01 23:44:15 obrien Exp $
   2 # $DragonFly: src/contrib/binutils/ld/emulparams/Attic/elf64alpha.sh,v 1.2 2003/06/17 04:23:58 dillon Exp $
   3
   4
   5 ENTRY=_start
   6 SCRIPT_NAME=elf
   7 ELFSIZE=64
   8 TEMPLATE_NAME=elf32
   9 OUTPUT_FORMAT="elf64-alpha"
  10 TEXT_START_ADDR="0x120000000"
  11 MAXPAGESIZE=0x10000
  12 NONPAGED_TEXT_START_ADDR="0x120000000"
  13 ARCH=alpha
  14 MACHINE=
  15 GENERATE_SHLIB_SCRIPT=yes
  16 DATA_PLT=
  17 # Note that the string of digits is little-endian.
  18 NOP=0x0000fe2f          # unop
  19
  20 OTHER_READONLY_SECTIONS="
  21   .reginfo      ${RELOCATING-0} : { *(.reginfo) }"
  22
  23 # This code gets inserted into the generic elf32.sc linker script
  24 # and allows us to define our own command line switches.
  25 PARSE_AND_LIST_PROLOGUE='
  26 #define OPTION_TASO            300
  27 /* Set the start address as in the Tru64 ld */
  28 #define ALPHA_TEXT_START_32BIT 0x12000000
  29
  30 static int elf64alpha_32bit = 0;
  31
  32 struct ld_emulation_xfer_struct ld_elf64alpha_emulation;
  33 static void gld_elf64alpha_finish PARAMS ((void));
  34 '
  35
  36 PARSE_AND_LIST_LONGOPTS='
  37   {"taso", no_argument, NULL, OPTION_TASO},
  38 '
  39
  40 PARSE_AND_LIST_OPTIONS='
  41   fprintf (file, _("  -taso\t\t\tLoad executable in the lower 31-bit addressable\n"));
  42   fprintf (file, _("\t\t\t  virtual address range\n"));
  43 '
  44
  45 PARSE_AND_LIST_ARGS_CASES='
  46     case EOF:
  47       if (elf64alpha_32bit && !link_info.shared && !link_info.relocateable)
  48         {
  49           lang_section_start (".interp",
  50                               exp_binop ('\''+'\'',
  51                                          exp_intop (ALPHA_TEXT_START_32BIT),
  52                                          exp_nameop (SIZEOF_HEADERS, NULL)));
  53           ld_elf64alpha_emulation.finish = gld_elf64alpha_finish;
  54         }
  55       return 0;
  56
  57     case OPTION_TASO:
  58       elf64alpha_32bit = 1;
  59       break;
  60 '
  61
  62 PARSE_AND_LIST_EPILOGUE='
  63 #include "elf/internal.h"
  64 #include "elf/alpha.h"
  65 #include "elf-bfd.h"
  66
  67 static void
  68 gld_elf64alpha_finish()
  69 {
  70   elf_elfheader (output_bfd)->e_flags |= EF_ALPHA_32BIT;
  71 }
  72 '