Update sources to GPLv3
[deliverable/binutils-gdb.git] / ld / emultempl / cr16elf.em
1 # This shell script emits a C file. -*- C -*-
2 # Copyright 2007 Free Software Foundation, Inc.
3 # Contributed by M R Swami Reddy <MR.Swami.Reddy@nsc.com>
4 #
5 # This file is part of the GNU Binutils.
6 #
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
11 #
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
16 #
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 # MA 02110-1301, USA.
21 #
22
23 # This file is sourced from elf32.em, and defines extra cr16-elf
24 # specific routines.
25 #
26 cat >>e${EMULATION_NAME}.c <<EOF
27
28 #include "ldctor.h"
29
30 /* Flag for the emulation-specific "--no-relax" option. */
31 static bfd_boolean disable_relaxation = FALSE;
32
33 static void
34 cr16elf_after_parse (void)
35 {
36 /* Always behave as if called with --sort-common command line
37 option.
38 This is to emulate the CRTools' method of keeping variables
39 of different alignment in separate sections. */
40 config.sort_common = TRUE;
41
42 /* Don't create a demand-paged executable, since this feature isn't
43 meaninful in CR16 embedded systems. Moreover, when magic_demand_paged
44 is true the link sometimes fails. */
45 config.magic_demand_paged = FALSE;
46 }
47
48 /* This is called after the sections have been attached to output
49 sections, but before any sizes or addresses have been set. */
50
51 static void
52 cr16elf_before_allocation (void)
53 {
54 /* Call the default first. */
55 gld${EMULATION_NAME}_before_allocation ();
56
57 /* Enable relaxation by default if the "--no-relax" option was not
58 specified. This is done here instead of in the before_parse hook
59 because there is a check in main() to prohibit use of --relax and
60 -r together. */
61
62 if (!disable_relaxation)
63 command_line.relax = TRUE;
64 }
65
66 EOF
67
68 # Define some shell vars to insert bits of code into the standard elf
69 # parse_args and list_options functions.
70 #
71 PARSE_AND_LIST_PROLOGUE='
72 #define OPTION_NO_RELAX 301
73 '
74
75 PARSE_AND_LIST_LONGOPTS='
76 { "no-relax", no_argument, NULL, OPTION_NO_RELAX},
77 '
78
79 PARSE_AND_LIST_OPTIONS='
80 fprintf (file, _(" --no-relax Do not relax branches\n"));
81 '
82
83 PARSE_AND_LIST_ARGS_CASES='
84 case OPTION_NO_RELAX:
85 disable_relaxation = TRUE;
86 break;
87 '
88
89 # Put these extra cr16-elf routines in ld_${EMULATION_NAME}_emulation
90 #
91 LDEMUL_AFTER_PARSE=cr16elf_after_parse
92 LDEMUL_BEFORE_ALLOCATION=cr16elf_before_allocation
93
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