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