generic.em revision 77298 
1# This shell script emits a C file. -*- C -*-
2# It does some substitutions.
3cat >e${EMULATION_NAME}.c <<EOF
4/* This file is is generated by a shell script.  DO NOT EDIT! */
5
6/* emulate the original gld for the given ${EMULATION_NAME}
7   Copyright (C) 1991, 93, 94, 95, 96, 99, 2000
8   Free Software Foundation, Inc.
9   Written by Steve Chamberlain steve@cygnus.com
10
11This file is part of GLD, the Gnu Linker.
12
13This program is free software; you can redistribute it and/or modify
14it under the terms of the GNU General Public License as published by
15the Free Software Foundation; either version 2 of the License, or
16(at your option) any later version.
17
18This program is distributed in the hope that it will be useful,
19but WITHOUT ANY WARRANTY; without even the implied warranty of
20MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21GNU General Public License for more details.
22
23You should have received a copy of the GNU General Public License
24along with this program; if not, write to the Free Software
25Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
26
27#define TARGET_IS_${EMULATION_NAME}
28
29#include "bfd.h"
30#include "sysdep.h"
31#include "bfdlink.h"
32
33#include "ld.h"
34#include "ldmain.h"
35#include "ldmisc.h"
36
37#include "ldexp.h"
38#include "ldlang.h"
39#include "ldfile.h"
40#include "ldemul.h"
41
42static void gld${EMULATION_NAME}_before_parse PARAMS ((void));
43static char *gld${EMULATION_NAME}_get_script PARAMS ((int *isfile));
44
45static void
46gld${EMULATION_NAME}_before_parse()
47{
48#ifndef TARGET_			/* I.e., if not generic.  */
49  ldfile_set_output_arch ("`echo ${ARCH}`");
50#endif /* not TARGET_ */
51}
52
53static char *
54gld${EMULATION_NAME}_get_script(isfile)
55     int *isfile;
56EOF
57
58if test -n "$COMPILE_IN"
59then
60# Scripts compiled in.
61
62# sed commands to quote an ld script as a C string.
63sc="-f stringify.sed"
64
65cat >>e${EMULATION_NAME}.c <<EOF
66{			     
67  *isfile = 0;
68
69  if (link_info.relocateable == true && config.build_constructors == true)
70    return
71EOF
72sed $sc ldscripts/${EMULATION_NAME}.xu                     >> e${EMULATION_NAME}.c
73echo '  ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c
74sed $sc ldscripts/${EMULATION_NAME}.xr                     >> e${EMULATION_NAME}.c
75echo '  ; else if (!config.text_read_only) return'         >> e${EMULATION_NAME}.c
76sed $sc ldscripts/${EMULATION_NAME}.xbn                    >> e${EMULATION_NAME}.c
77echo '  ; else if (!config.magic_demand_paged) return'     >> e${EMULATION_NAME}.c
78sed $sc ldscripts/${EMULATION_NAME}.xn                     >> e${EMULATION_NAME}.c
79echo '  ; else return'                                     >> e${EMULATION_NAME}.c
80sed $sc ldscripts/${EMULATION_NAME}.x                      >> e${EMULATION_NAME}.c
81echo '; }'                                                 >> e${EMULATION_NAME}.c
82
83else
84# Scripts read from the filesystem.
85
86cat >>e${EMULATION_NAME}.c <<EOF
87{			     
88  *isfile = 1;
89
90  if (link_info.relocateable == true && config.build_constructors == true)
91    return "ldscripts/${EMULATION_NAME}.xu";
92  else if (link_info.relocateable == true)
93    return "ldscripts/${EMULATION_NAME}.xr";
94  else if (!config.text_read_only)
95    return "ldscripts/${EMULATION_NAME}.xbn";
96  else if (!config.magic_demand_paged)
97    return "ldscripts/${EMULATION_NAME}.xn";
98  else
99    return "ldscripts/${EMULATION_NAME}.x";
100}
101EOF
102
103fi
104
105cat >>e${EMULATION_NAME}.c <<EOF
106
107struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = 
108{
109  gld${EMULATION_NAME}_before_parse,
110  syslib_default,
111  hll_default,
112  after_parse_default,
113  after_open_default,
114  after_allocation_default,
115  set_output_arch_default,
116  ldemul_default_target,
117  before_allocation_default,
118  gld${EMULATION_NAME}_get_script,
119  "${EMULATION_NAME}",
120  "${OUTPUT_FORMAT}",
121  NULL,	/* finish */
122  NULL,	/* create output section statements */
123  NULL,	/* open dynamic archive */
124  NULL,	/* place orphan */
125  NULL,	/* set symbols */
126  NULL,	/* parse args */
127  NULL,	/* unrecognized file */
128  NULL,	/* list options */
129  NULL,	/* recognized file */
130  NULL 	/* find_potential_libraries */
131};
132EOF
133