elf64alpha.sh revision 91054 
1# $FreeBSD: head/contrib/binutils/ld/emulparams/elf64alpha.sh 91054 2002-02-22 04:51:15Z 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=
16# Note that the string of digits is little-endian.
17NOP=0x0000fe2f		# unop
18
19OTHER_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.
24PARSE_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
29static int elf64alpha_32bit = 0;
30
31struct ld_emulation_xfer_struct ld_elf64alpha_emulation;
32static void gld_elf64alpha_finish PARAMS ((void));
33'
34
35PARSE_AND_LIST_LONGOPTS='
36  {"taso", no_argument, NULL, OPTION_TASO},
37'
38
39PARSE_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
44PARSE_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
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