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c279ca3e AM |
1 | # This shell script emits a C file. -*- C -*- |
2 | # Copyright 2003 Free Software Foundation, Inc. | |
3 | # | |
4 | # This file is part of GLD, the Gnu Linker. | |
5 | # | |
6 | # This program is free software; you can redistribute it and/or modify | |
7 | # it under the terms of the GNU General Public License as published by | |
8 | # the Free Software Foundation; either version 2 of the License, or | |
9 | # (at your option) any later version. | |
10 | # | |
11 | # This program is distributed in the hope that it will be useful, | |
12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | # GNU General Public License for more details. | |
15 | # | |
16 | # You should have received a copy of the GNU General Public License | |
17 | # along with this program; if not, write to the Free Software | |
18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | # | |
20 | ||
21 | # This file is sourced from elf32.em, and defines extra alpha | |
22 | # specific routines. | |
23 | # | |
24 | cat >>e${EMULATION_NAME}.c <<EOF | |
25 | ||
26 | #include "elf/internal.h" | |
27 | #include "elf/alpha.h" | |
28 | #include "elf-bfd.h" | |
29 | ||
30 | static void alpha_after_parse PARAMS ((void)); | |
31 | static void alpha_finish PARAMS ((void)); | |
32 | ||
33 | static int elf64alpha_32bit = 0; | |
34 | ||
35 | /* Set the start address as in the Tru64 ld. */ | |
36 | #define ALPHA_TEXT_START_32BIT 0x12000000 | |
37 | ||
38 | static void | |
39 | alpha_after_parse () | |
40 | { | |
1049f94e | 41 | if (elf64alpha_32bit && !link_info.shared && !link_info.relocatable) |
c279ca3e AM |
42 | lang_section_start (".interp", |
43 | exp_binop ('+', | |
44 | exp_intop (ALPHA_TEXT_START_32BIT), | |
45 | exp_nameop (SIZEOF_HEADERS, NULL))); | |
46 | } | |
47 | ||
48 | static void | |
49 | alpha_finish () | |
50 | { | |
51 | if (elf64alpha_32bit) | |
52 | elf_elfheader (output_bfd)->e_flags |= EF_ALPHA_32BIT; | |
53 | ||
54 | gld${EMULATION_NAME}_finish (); | |
55 | } | |
56 | EOF | |
57 | ||
58 | # Define some shell vars to insert bits of code into the standard elf | |
59 | # parse_args and list_options functions. | |
60 | # | |
61 | PARSE_AND_LIST_PROLOGUE=' | |
62 | #define OPTION_TASO 300 | |
63 | ' | |
64 | ||
65 | PARSE_AND_LIST_LONGOPTS=' | |
66 | {"taso", no_argument, NULL, OPTION_TASO}, | |
67 | ' | |
68 | ||
69 | PARSE_AND_LIST_OPTIONS=' | |
70 | fprintf (file, _(" -taso\t\t\tLoad executable in the lower 31-bit addressable\n")); | |
71 | fprintf (file, _("\t\t\t virtual address range\n")); | |
72 | ' | |
73 | ||
74 | PARSE_AND_LIST_ARGS_CASES=' | |
75 | case OPTION_TASO: | |
76 | elf64alpha_32bit = 1; | |
77 | break; | |
78 | ' | |
79 | ||
80 | # Put these extra alpha routines in ld_${EMULATION_NAME}_emulation | |
81 | # | |
82 | LDEMUL_AFTER_PARSE=alpha_after_parse | |
83 | LDEMUL_FINISH=alpha_finish |