elf64alpha.sh revision 89871 
1# $FreeBSD: head/contrib/binutils/ld/emulparams/elf64alpha.sh 89871 2002-01-27 12:23:29Z obrien $
2
3
4ENTRY=_start
5SCRIPT_NAME=elf
6ELFSIZE=64
7TEMPLATE_NAME=elf32
8OUTPUT_FORMAT="elf64-alpha"
9TEXT_START_ADDR="0x120000000"
10MAXPAGESIZE=0x10000
11NONPAGED_TEXT_START_ADDR="0x120000000"
12ARCH=alpha
13MACHINE=
14GENERATE_SHLIB_SCRIPT=yes
15DATA_PLT=
16NOP=0x2ffe0000		# unop
17
18OTHER_READONLY_SECTIONS="
19  .reginfo      ${RELOCATING-0} : { *(.reginfo) }"
20
21# This code gets inserted into the generic elf32.sc linker script
22# and allows us to define our own command line switches.
23PARSE_AND_LIST_PROLOGUE='
24#define OPTION_TASO            300
25/* Set the start address as in the Tru64 ld */
26#define ALPHA_TEXT_START_32BIT 0x12000000
27
28static int elf64alpha_32bit = 0;
29
30struct ld_emulation_xfer_struct ld_elf64alpha_emulation;
31static void gld_elf64alpha_finish PARAMS ((void));
32'
33
34PARSE_AND_LIST_LONGOPTS='
35  {"taso", no_argument, NULL, OPTION_TASO},
36'
37
38PARSE_AND_LIST_OPTIONS='
39  fprintf (file, _("  -taso\t\t\tLoad executable in the lower 31-bit addressable\n"));
40  fprintf (file, _("\t\t\t  virtual address range\n"));
41'
42
43PARSE_AND_LIST_ARGS_CASES='
44    case EOF:
45      if (elf64alpha_32bit && !link_info.shared && !link_info.relocateable)
46	{
47	  lang_section_start (".interp",
48			      exp_binop ('\''+'\'',
49					 exp_intop (ALPHA_TEXT_START_32BIT),
50					 exp_nameop (SIZEOF_HEADERS, NULL)));
51	  ld_elf64alpha_emulation.finish = gld_elf64alpha_finish;
52	}
53      return 0;
54
55    case OPTION_TASO:
56      elf64alpha_32bit = 1;
57      break;
58'
59
60PARSE_AND_LIST_EPILOGUE='
61#include "elf/internal.h"
62#include "elf/alpha.h"
63#include "elf-bfd.h"
64
65static void
66gld_elf64alpha_finish()
67{
68  elf_elfheader (output_bfd)->e_flags |= EF_ALPHA_32BIT;
69}
70'
71