ticoff.em revision 130561 
1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3(echo;echo;echo;echo)>e${EMULATION_NAME}.c # there, now line numbers match ;-)
4cat >>e${EMULATION_NAME}.c <<EOF
5/* This file is part of GLD, the Gnu Linker.
6   Copyright 1999, 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
7
8This program is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2 of the License, or
11(at your option) any later version.
12
13This program is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with this program; if not, write to the Free Software
20Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
21
22/* For TI COFF */
23/* Need to determine load and run pages for output sections */
24
25#define TARGET_IS_${EMULATION_NAME}
26
27#include "bfd.h"
28#include "sysdep.h"
29#include "bfdlink.h"
30#include "getopt.h"
31
32#include "ld.h"
33#include "ldmain.h"
34#include "ldmisc.h"
35#include "ldexp.h"
36#include "ldlang.h"
37#include "ldfile.h"
38#include "ldemul.h"
39
40static int coff_version;
41
42/* TI COFF extra command line options */
43#define OPTION_COFF_FORMAT		(300 + 1)
44
45static void
46gld${EMULATION_NAME}_add_options
47  (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
48   struct option **longopts, int nrl ATTRIBUTE_UNUSED,
49   struct option **really_longopts ATTRIBUTE_UNUSED)
50{
51  static const struct option xtra_long[] = {
52    /* TI COFF options */
53    {"format", required_argument, NULL, OPTION_COFF_FORMAT },
54    {NULL, no_argument, NULL, 0}
55  };
56
57  *longopts = (struct option *)
58    xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
59  memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
60}
61
62static void
63gld_${EMULATION_NAME}_list_options (FILE * file)
64{
65  fprintf (file, _("  --format 0|1|2         Specify which COFF version to use\n"));
66}
67
68static bfd_boolean
69gld${EMULATION_NAME}_handle_option (int optc)
70{
71  switch (optc)
72    {
73    default:
74      return FALSE;
75
76    case OPTION_COFF_FORMAT:
77      if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
78          && optarg[1] == '\0')
79      {
80        static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
81        coff_version = *optarg - '0';
82        buf[4] = *optarg;
83	lang_add_output_format (buf, NULL, NULL, 0);
84      }
85      else
86        {
87	  einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
88        }
89      break;
90    }
91  return FALSE;
92}
93
94static void
95gld_${EMULATION_NAME}_before_parse(void)
96{
97#ifndef TARGET_			/* I.e., if not generic.  */
98  ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
99#endif /* not TARGET_ */
100}
101
102static char *
103gld_${EMULATION_NAME}_get_script (int *isfile)
104EOF
105if test -n "$COMPILE_IN"
106then
107# Scripts compiled in.
108
109# sed commands to quote an ld script as a C string.
110sc='s/["\\]/\\&/g
111s/$/\\n\\/
1121s/^/"/
113$s/$/n"/
114'
115cat >>e${EMULATION_NAME}.c <<EOF
116{
117  *isfile = 0;
118  if (link_info.relocatable && config.build_constructors)
119    return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
120  else if (link_info.relocatable)
121    return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
122  else if (!config.text_read_only)
123    return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
124  else if (!config.magic_demand_paged)
125    return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
126  else
127    return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
128}
129EOF
130
131else
132# Scripts read from the filesystem.
133
134cat >>e${EMULATION_NAME}.c <<EOF
135{
136  *isfile = 1;
137
138  if (link_info.relocatable && config.build_constructors)
139    return "ldscripts/${EMULATION_NAME}.xu";
140  else if (link_info.relocatable)
141    return "ldscripts/${EMULATION_NAME}.xr";
142  else if (!config.text_read_only)
143    return "ldscripts/${EMULATION_NAME}.xbn";
144  else if (!config.magic_demand_paged)
145    return "ldscripts/${EMULATION_NAME}.xn";
146  else
147    return "ldscripts/${EMULATION_NAME}.x";
148}
149EOF
150
151fi
152
153cat >>e${EMULATION_NAME}.c <<EOF
154struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
155{
156  gld_${EMULATION_NAME}_before_parse,
157  syslib_default,
158  hll_default,
159  after_parse_default,
160  after_open_default,
161  after_allocation_default,
162  set_output_arch_default,
163  ldemul_default_target,
164  before_allocation_default,
165  gld_${EMULATION_NAME}_get_script,
166  "${EMULATION_NAME}",
167  "${OUTPUT_FORMAT}",
168  NULL, /* finish */
169  NULL, /* create output section statements */
170  NULL, /* open dynamic archive */
171  NULL, /* place orphan */
172  NULL, /* set_symbols */
173  NULL, /* parse_args */
174  gld${EMULATION_NAME}_add_options,
175  gld${EMULATION_NAME}_handle_option,
176  NULL, /* unrecognized_file */
177  gld_${EMULATION_NAME}_list_options,
178  NULL, /* recognized file */
179  NULL,	/* find_potential_libraries */
180  NULL	/* new_vers_pattern */
181};
182EOF
183