ticoff.em revision 302408 
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, 2007
7   Free Software Foundation, Inc.
8
9This program is free software; you can redistribute it and/or modify
10it under the terms of the GNU General Public License as published by
11the Free Software Foundation; either version 2 of the License, or
12(at your option) any later version.
13
14This program is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License
20along with this program; if not, write to the Free Software
21Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
22
23/* For TI COFF */
24/* Need to determine load and run pages for output sections */
25
26#define TARGET_IS_${EMULATION_NAME}
27
28#include "sysdep.h"
29#include "bfd.h"
30#include "bfdlink.h"
31#include "getopt.h"
32
33#include "ld.h"
34#include "ldmain.h"
35#include "ldmisc.h"
36#include "ldexp.h"
37#include "ldlang.h"
38#include "ldfile.h"
39#include "ldemul.h"
40
41static int coff_version;
42
43/* TI COFF extra command line options */
44#define OPTION_COFF_FORMAT		(300 + 1)
45
46static void
47gld${EMULATION_NAME}_add_options
48  (int ns ATTRIBUTE_UNUSED, char **shortopts ATTRIBUTE_UNUSED, int nl,
49   struct option **longopts, int nrl ATTRIBUTE_UNUSED,
50   struct option **really_longopts ATTRIBUTE_UNUSED)
51{
52  static const struct option xtra_long[] = {
53    /* TI COFF options */
54    {"format", required_argument, NULL, OPTION_COFF_FORMAT },
55    {NULL, no_argument, NULL, 0}
56  };
57
58  *longopts = (struct option *)
59    xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
60  memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
61}
62
63static void
64gld_${EMULATION_NAME}_list_options (FILE * file)
65{
66  fprintf (file, _("  --format 0|1|2         Specify which COFF version to use\n"));
67}
68
69static bfd_boolean
70gld${EMULATION_NAME}_handle_option (int optc)
71{
72  switch (optc)
73    {
74    default:
75      return FALSE;
76
77    case OPTION_COFF_FORMAT:
78      if ((*optarg == '0' || *optarg == '1' || *optarg == '2')
79          && optarg[1] == '\0')
80      {
81        static char buf[] = "coffX-${OUTPUT_FORMAT_TEMPLATE}";
82        coff_version = *optarg - '0';
83        buf[4] = *optarg;
84	lang_add_output_format (buf, NULL, NULL, 0);
85      }
86      else
87        {
88	  einfo (_("%P%F: invalid COFF format version %s\n"), optarg);
89        }
90      break;
91    }
92  return FALSE;
93}
94
95static void
96gld_${EMULATION_NAME}_before_parse(void)
97{
98#ifndef TARGET_			/* I.e., if not generic.  */
99  ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
100#endif /* not TARGET_ */
101}
102
103static char *
104gld_${EMULATION_NAME}_get_script (int *isfile)
105EOF
106if test -n "$COMPILE_IN"
107then
108# Scripts compiled in.
109
110# sed commands to quote an ld script as a C string.
111sc='s/["\\]/\\&/g
112s/$/\\n\\/
1131s/^/"/
114$s/$/n"/
115'
116cat >>e${EMULATION_NAME}.c <<EOF
117{
118  *isfile = 0;
119  if (link_info.relocatable && config.build_constructors)
120    return `sed "$sc" ldscripts/${EMULATION_NAME}.xu`;
121  else if (link_info.relocatable)
122    return `sed "$sc" ldscripts/${EMULATION_NAME}.xr`;
123  else if (!config.text_read_only)
124    return `sed "$sc" ldscripts/${EMULATION_NAME}.xbn`;
125  else if (!config.magic_demand_paged)
126    return `sed "$sc" ldscripts/${EMULATION_NAME}.xn`;
127  else
128    return `sed "$sc" ldscripts/${EMULATION_NAME}.x`;
129}
130EOF
131
132else
133# Scripts read from the filesystem.
134
135cat >>e${EMULATION_NAME}.c <<EOF
136{
137  *isfile = 1;
138
139  if (link_info.relocatable && config.build_constructors)
140    return "ldscripts/${EMULATION_NAME}.xu";
141  else if (link_info.relocatable)
142    return "ldscripts/${EMULATION_NAME}.xr";
143  else if (!config.text_read_only)
144    return "ldscripts/${EMULATION_NAME}.xbn";
145  else if (!config.magic_demand_paged)
146    return "ldscripts/${EMULATION_NAME}.xn";
147  else
148    return "ldscripts/${EMULATION_NAME}.x";
149}
150EOF
151
152fi
153
154cat >>e${EMULATION_NAME}.c <<EOF
155struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
156{
157  gld_${EMULATION_NAME}_before_parse,
158  syslib_default,
159  hll_default,
160  after_parse_default,
161  after_open_default,
162  after_allocation_default,
163  set_output_arch_default,
164  ldemul_default_target,
165  before_allocation_default,
166  gld_${EMULATION_NAME}_get_script,
167  "${EMULATION_NAME}",
168  "${OUTPUT_FORMAT}",
169  finish_default,
170  NULL, /* create output section statements */
171  NULL, /* open dynamic archive */
172  NULL, /* place orphan */
173  NULL, /* set_symbols */
174  NULL, /* parse_args */
175  gld${EMULATION_NAME}_add_options,
176  gld${EMULATION_NAME}_handle_option,
177  NULL, /* unrecognized_file */
178  gld_${EMULATION_NAME}_list_options,
179  NULL, /* recognized file */
180  NULL,	/* find_potential_libraries */
181  NULL	/* new_vers_pattern */
182};
183EOF
184