output-file.c revision 89857 
1/* output-file.c -  Deal with the output file
2   Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1996, 1998, 1999, 2001
3   Free Software Foundation, Inc.
4
5   This file is part of GAS, the GNU Assembler.
6
7   GAS 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 2, or (at your option)
10   any later version.
11
12   GAS 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 GAS; see the file COPYING.  If not, write to
19   the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
20   02111-1307, USA.  */
21
22#include <stdio.h>
23
24#include "as.h"
25
26#include "output-file.h"
27
28#ifdef BFD_HEADERS
29#define USE_BFD
30#endif
31
32#ifdef BFD_ASSEMBLER
33#define USE_BFD
34#ifndef TARGET_MACH
35#define TARGET_MACH 0
36#endif
37#endif
38
39#ifdef USE_BFD
40#include "bfd.h"
41bfd *stdoutput;
42
43void
44output_file_create (name)
45     char *name;
46{
47  if (name[0] == '-' && name[1] == '\0')
48    as_fatal (_("can't open a bfd on stdout %s"), name);
49
50  else if (!(stdoutput = bfd_openw (name, TARGET_FORMAT)))
51    {
52      as_perror (_("FATAL: can't create %s"), name);
53      exit (EXIT_FAILURE);
54    }
55
56  bfd_set_format (stdoutput, bfd_object);
57#ifdef BFD_ASSEMBLER
58  bfd_set_arch_mach (stdoutput, TARGET_ARCH, TARGET_MACH);
59#endif
60  if (flag_traditional_format)
61    stdoutput->flags |= BFD_TRADITIONAL_FORMAT;
62}
63
64void
65output_file_close (filename)
66     char *filename;
67{
68#ifdef BFD_ASSEMBLER
69  /* Close the bfd.  */
70  if (bfd_close (stdoutput) == 0)
71    {
72      bfd_perror (filename);
73      as_perror (_("FATAL: can't close %s\n"), filename);
74      exit (EXIT_FAILURE);
75    }
76#else
77  /* Close the bfd without getting bfd to write out anything by itself.  */
78  if (bfd_close_all_done (stdoutput) == 0)
79    {
80      as_perror (_("FATAL: can't close %s\n"), filename);
81      exit (EXIT_FAILURE);
82    }
83#endif
84  stdoutput = NULL;		/* Trust nobody!  */
85}
86
87#ifndef BFD_ASSEMBLER
88void
89output_file_append (where, length, filename)
90     char *where ATTRIBUTE_UNUSED;
91     long length ATTRIBUTE_UNUSED;
92     char *filename ATTRIBUTE_UNUSED;
93{
94  abort ();
95}
96#endif
97
98#else
99
100static FILE *stdoutput;
101
102void
103output_file_create (name)
104     char *name;
105{
106  if (name[0] == '-' && name[1] == '\0')
107    {
108      stdoutput = stdout;
109      return;
110    }
111
112  stdoutput = fopen (name, FOPEN_WB);
113  if (stdoutput == NULL)
114    {
115      as_perror (_("FATAL: can't create %s"), name);
116      exit (EXIT_FAILURE);
117    }
118}
119
120void
121output_file_close (filename)
122     char *filename;
123{
124  if (EOF == fclose (stdoutput))
125    {
126      as_perror (_("FATAL: can't close %s"), filename);
127      exit (EXIT_FAILURE);
128    }
129
130  /* Trust nobody!  */
131  stdoutput = NULL;
132}
133
134void
135output_file_append (where, length, filename)
136     char * where;
137     long   length;
138     char * filename;
139{
140  for (; length; length--, where++)
141    {
142      (void) putc (*where, stdoutput);
143
144      if (ferror (stdoutput))
145	/* if ( EOF == (putc( *where, stdoutput )) ) */
146	{
147	  as_perror (_("Failed to emit an object byte"), filename);
148	  as_fatal (_("can't continue"));
149	}
150    }
151}
152
153#endif
154
155