elf64alpha.sh revision 91054 
155714Skris# $FreeBSD: head/contrib/binutils/ld/emulparams/elf64alpha.sh 91054 2002-02-22 04:51:15Z obrien $
255714Skris
355714Skris
455714SkrisENTRY=_start
555714SkrisSCRIPT_NAME=elf
655714SkrisELFSIZE=64
755714SkrisTEMPLATE_NAME=elf32
855714SkrisOUTPUT_FORMAT="elf64-alpha"
955714SkrisTEXT_START_ADDR="0x120000000"
1055714SkrisMAXPAGESIZE=0x10000
1155714SkrisNONPAGED_TEXT_START_ADDR="0x120000000"
1255714SkrisARCH=alpha
1355714SkrisMACHINE=
1455714SkrisGENERATE_SHLIB_SCRIPT=yes
1555714SkrisDATA_PLT=
1655714Skris# Note that the string of digits is little-endian.
1755714SkrisNOP=0x0000fe2f		# unop
1855714Skris
1955714SkrisOTHER_READONLY_SECTIONS="
2055714Skris  .reginfo      ${RELOCATING-0} : { *(.reginfo) }"
2155714Skris
2255714Skris# This code gets inserted into the generic elf32.sc linker script
2355714Skris# and allows us to define our own command line switches.
2455714SkrisPARSE_AND_LIST_PROLOGUE='
2555714Skris#define OPTION_TASO            300
2655714Skris/* Set the start address as in the Tru64 ld */
2755714Skris#define ALPHA_TEXT_START_32BIT 0x12000000
2855714Skris
2955714Skrisstatic int elf64alpha_32bit = 0;
3055714Skris
3155714Skrisstruct ld_emulation_xfer_struct ld_elf64alpha_emulation;
3255714Skrisstatic void gld_elf64alpha_finish PARAMS ((void));
3355714Skris'
3455714Skris
3555714SkrisPARSE_AND_LIST_LONGOPTS='
3655714Skris  {"taso", no_argument, NULL, OPTION_TASO},
3755714Skris'
3855714Skris
3955714SkrisPARSE_AND_LIST_OPTIONS='
4055714Skris  fprintf (file, _("  -taso\t\t\tLoad executable in the lower 31-bit addressable\n"));
4155714Skris  fprintf (file, _("\t\t\t  virtual address range\n"));
4255714Skris'
4355714Skris
4455714SkrisPARSE_AND_LIST_ARGS_CASES='
4555714Skris    case EOF:
4655714Skris      if (elf64alpha_32bit && !link_info.shared && !link_info.relocateable)
4755714Skris	{
4855714Skris	  lang_section_start (".interp",
4955714Skris			      exp_binop ('\''+'\'',
5055714Skris					 exp_intop (ALPHA_TEXT_START_32BIT),
5176866Skris					 exp_nameop (SIZEOF_HEADERS, NULL)));
5255714Skris	  ld_elf64alpha_emulation.finish = gld_elf64alpha_finish;
5368651Skris	}
5476866Skris      return 0;
5576866Skris
5676866Skris    case OPTION_TASO:
5776866Skris      elf64alpha_32bit = 1;
5876866Skris      break;
5968651Skris'
6055714Skris
61PARSE_AND_LIST_EPILOGUE='
62#include "elf/internal.h"
63#include "elf/alpha.h"
64#include "elf-bfd.h"
65
66static void
67gld_elf64alpha_finish()
68{
69  elf_elfheader (output_bfd)->e_flags |= EF_ALPHA_32BIT;
70}
71'
72