| 1 | # This shell script emits a C file. -*- C -*-
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| 2 | # Copyright 2003 Free Software Foundation, Inc.
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| 3 | #
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| 4 | # This file is part of GLD, the Gnu Linker.
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| 5 | #
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| 6 | # This program is free software; you can redistribute it and/or modify
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| 7 | # it under the terms of the GNU General Public License as published by
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| 8 | # the Free Software Foundation; either version 2 of the License, or
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| 9 | # (at your option) any later version.
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| 10 | #
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| 11 | # This program is distributed in the hope that it will be useful,
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| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | # GNU General Public License for more details.
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| 15 | #
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| 16 | # You should have received a copy of the GNU General Public License
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| 17 | # along with this program; if not, write to the Free Software
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| 18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 19 | #
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| 20 |
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| 21 | # This file is sourced from elf32.em, and defines extra alpha
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| 22 | # specific routines.
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| 23 | #
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| 24 | cat >>e${EMULATION_NAME}.c <<EOF
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| 25 |
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| 26 | #include "elf/internal.h"
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| 27 | #include "elf/alpha.h"
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| 28 | #include "elf-bfd.h"
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| 29 |
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| 30 | static void alpha_after_parse PARAMS ((void));
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| 31 | static void alpha_finish PARAMS ((void));
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| 32 |
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| 33 | static int elf64alpha_32bit = 0;
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| 34 |
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| 35 | /* Set the start address as in the Tru64 ld. */
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| 36 | #define ALPHA_TEXT_START_32BIT 0x12000000
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| 37 |
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| 38 | static void
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| 39 | alpha_after_parse ()
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| 40 | {
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| 41 | if (elf64alpha_32bit && !link_info.shared && !link_info.relocateable)
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| 42 | lang_section_start (".interp",
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| 43 | exp_binop ('+',
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| 44 | exp_intop (ALPHA_TEXT_START_32BIT),
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| 45 | exp_nameop (SIZEOF_HEADERS, NULL)));
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| 46 | }
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| 47 |
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| 48 | static void
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| 49 | alpha_finish ()
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| 50 | {
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| 51 | if (elf64alpha_32bit)
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| 52 | elf_elfheader (output_bfd)->e_flags |= EF_ALPHA_32BIT;
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| 53 |
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| 54 | gld${EMULATION_NAME}_finish ();
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| 55 | }
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| 56 | EOF
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| 57 |
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| 58 | # Define some shell vars to insert bits of code into the standard elf
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| 59 | # parse_args and list_options functions.
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| 60 | #
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| 61 | PARSE_AND_LIST_PROLOGUE='
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| 62 | #define OPTION_TASO 300
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| 63 | '
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| 64 |
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| 65 | PARSE_AND_LIST_LONGOPTS='
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| 66 | {"taso", no_argument, NULL, OPTION_TASO},
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| 67 | '
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| 68 |
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| 69 | PARSE_AND_LIST_OPTIONS='
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| 70 | fprintf (file, _(" -taso\t\t\tLoad executable in the lower 31-bit addressable\n"));
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| 71 | fprintf (file, _("\t\t\t virtual address range\n"));
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| 72 | '
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| 73 |
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| 74 | PARSE_AND_LIST_ARGS_CASES='
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| 75 | case OPTION_TASO:
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| 76 | elf64alpha_32bit = 1;
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| 77 | break;
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| 78 | '
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| 79 |
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| 80 | # Put these extra alpha routines in ld_${EMULATION_NAME}_emulation
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| 81 | #
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| 82 | LDEMUL_AFTER_PARSE=alpha_after_parse
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| 83 | LDEMUL_FINISH=alpha_finish
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