elf64alpha.sh revision 104846 
1# $FreeBSD: head/contrib/binutils/ld/emulparams/elf64alpha.sh 104846 2002-10-11 06:14:49Z obrien $
2
3
4ENTRY=_start
5SCRIPT_NAME=elf
6ELFSIZE=64
7TEMPLATE_NAME=elf32
8OUTPUT_FORMAT="elf64-alpha"
9TEXT_START_ADDR="0x120000000"
10MAXPAGESIZE=0x10000
11COMMONPAGESIZE=0x2000
12NONPAGED_TEXT_START_ADDR="0x120000000"
13ARCH=alpha
14MACHINE=
15GENERATE_SHLIB_SCRIPT=yes
16DATA_PLT=
17# Note that the number is always big-endian, thus we have to 
18# reverse the digit string.
19NOP=0x0000fe2f1f04ff47		# unop; nop
20
21OTHER_READONLY_SECTIONS="
22  .reginfo      ${RELOCATING-0} : { *(.reginfo) }"
23
24# This code gets inserted into the generic elf32.sc linker script
25# and allows us to define our own command line switches.
26PARSE_AND_LIST_PROLOGUE='
27#define OPTION_TASO            300
28/* Set the start address as in the Tru64 ld */
29#define ALPHA_TEXT_START_32BIT 0x12000000
30
31static int elf64alpha_32bit = 0;
32
33struct ld_emulation_xfer_struct ld_elf64alpha_emulation;
34static void gld_elf64alpha_finish PARAMS ((void));
35'
36
37PARSE_AND_LIST_LONGOPTS='
38  {"taso", no_argument, NULL, OPTION_TASO},
39'
40
41PARSE_AND_LIST_OPTIONS='
42  fprintf (file, _("  -taso\t\t\tLoad executable in the lower 31-bit addressable\n"));
43  fprintf (file, _("\t\t\t  virtual address range\n"));
44'
45
46PARSE_AND_LIST_ARGS_CASES='
47    case EOF:
48      if (elf64alpha_32bit && !link_info.shared && !link_info.relocateable)
49	{
50	  lang_section_start (".interp",
51			      exp_binop ('\''+'\'',
52					 exp_intop (ALPHA_TEXT_START_32BIT),
53					 exp_nameop (SIZEOF_HEADERS, NULL)));
54	  ld_elf64alpha_emulation.finish = gld_elf64alpha_finish;
55	}
56      return 0;
57
58    case OPTION_TASO:
59      elf64alpha_32bit = 1;
60      break;
61'
62
63PARSE_AND_LIST_EPILOGUE='
64#include "elf/internal.h"
65#include "elf/alpha.h"
66#include "elf-bfd.h"
67
68static void
69gld_elf64alpha_finish()
70{
71  elf_elfheader (output_bfd)->e_flags |= EF_ALPHA_32BIT;
72}
73'
74