/* output-file.c - Deal with the output file
- Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1996, 1998, 1999
- Free Software Foundation, Inc.
+ Copyright (C) 1987-2023 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
GAS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GAS is distributed in the hope that it will be useful,
You should have received a copy of the GNU General Public License
along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include <stdio.h>
+ the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include "as.h"
-
+#include "subsegs.h"
+#include "sb.h"
+#include "macro.h"
#include "output-file.h"
-#ifdef BFD_HEADERS
-#define USE_BFD
-#endif
-
-#ifdef BFD_ASSEMBLER
-#define USE_BFD
#ifndef TARGET_MACH
#define TARGET_MACH 0
#endif
-#endif
-#ifdef USE_BFD
-#include "bfd.h"
bfd *stdoutput;
void
-output_file_create (name)
- char *name;
+output_file_create (const char *name)
{
if (name[0] == '-' && name[1] == '\0')
- {
- as_fatal (_("Can't open a bfd on stdout %s "), name);
- }
+ as_fatal (_("can't open a bfd on stdout %s"), name);
+
else if (!(stdoutput = bfd_openw (name, TARGET_FORMAT)))
{
- as_perror (_("FATAL: Can't create %s"), name);
- exit (EXIT_FAILURE);
+ bfd_error_type err = bfd_get_error ();
+
+ if (err == bfd_error_invalid_target)
+ as_fatal (_("selected target format '%s' unknown"), TARGET_FORMAT);
+ else
+ as_fatal (_("can't create %s: %s"), name, bfd_errmsg (err));
}
+
bfd_set_format (stdoutput, bfd_object);
-#ifdef BFD_ASSEMBLER
bfd_set_arch_mach (stdoutput, TARGET_ARCH, TARGET_MACH);
-#endif
if (flag_traditional_format)
stdoutput->flags |= BFD_TRADITIONAL_FORMAT;
}
-void
-output_file_close (filename)
- char *filename;
-{
-#ifdef BFD_ASSEMBLER
- /* Close the bfd. */
- if (bfd_close (stdoutput) == 0)
- {
- bfd_perror (filename);
- as_perror (_("FATAL: Can't close %s\n"), filename);
- exit (EXIT_FAILURE);
- }
-#else
- /* Close the bfd without getting bfd to write out anything by itself */
- if (bfd_close_all_done (stdoutput) == 0)
- {
- as_perror (_("FATAL: Can't close %s\n"), filename);
- exit (EXIT_FAILURE);
- }
-#endif
- stdoutput = NULL; /* Trust nobody! */
-}
-
-#ifndef BFD_ASSEMBLER
-void
-output_file_append (where, length, filename)
- char *where ATTRIBUTE_UNUSED;
- long length ATTRIBUTE_UNUSED;
- char *filename ATTRIBUTE_UNUSED;
-{
- abort ();
-}
-#endif
-
-#else
-
-static FILE *stdoutput;
-
-void
-output_file_create (name)
- char *name;
-{
- if (name[0] == '-' && name[1] == '\0')
- {
- stdoutput = stdout;
- return;
- }
-
- stdoutput = fopen (name, "wb");
-
- /* Some systems don't grok "b" in fopen modes. */
- if (stdoutput == NULL)
- stdoutput = fopen (name, "w");
-
- if (stdoutput == NULL)
- {
- as_perror (_("FATAL: Can't create %s"), name);
- exit (EXIT_FAILURE);
- }
-}
-
-void
-output_file_close (filename)
- char *filename;
+static void
+stash_frchain_obs (asection *sec)
{
- if (EOF == fclose (stdoutput))
+ segment_info_type *info = seg_info (sec);
+ if (info)
{
- as_perror (_("FATAL: Can't close %s"), filename);
- exit (EXIT_FAILURE);
+ struct frchain *frchp;
+ for (frchp = info->frchainP; frchp; frchp = frchp->frch_next)
+ obstack_ptr_grow (¬es, &frchp->frch_obstack);
+ info->frchainP = NULL;
}
- stdoutput = NULL; /* Trust nobody! */
}
void
-output_file_append (where, length, filename)
- char *where;
- long length;
- char *filename;
+output_file_close (void)
{
- for (; length; length--, where++)
- {
- (void) putc (*where, stdoutput);
- if (ferror (stdoutput))
- /* if ( EOF == (putc( *where, stdoutput )) ) */
- {
- as_perror (_("Failed to emit an object byte"), filename);
- as_fatal (_("Can't continue"));
- }
- }
-}
+ bool res;
+ bfd *obfd = stdoutput;
+ struct obstack **obs;
+ asection *sec;
+ const char *filename;
+
+ if (obfd == NULL)
+ return;
+
+ /* Prevent an infinite loop - if the close failed we will call as_fatal
+ which will call xexit() which may call this function again... */
+ stdoutput = NULL;
+
+ /* We can't free obstacks attached to the output bfd sections before
+ closing the output bfd since data in those obstacks may need to
+ be accessed, but we can't access anything in the output bfd after
+ it is closed.. */
+ for (sec = obfd->sections; sec; sec = sec->next)
+ stash_frchain_obs (sec);
+ stash_frchain_obs (reg_section);
+ stash_frchain_obs (expr_section);
+ stash_frchain_obs (bfd_abs_section_ptr);
+ stash_frchain_obs (bfd_und_section_ptr);
+ obstack_ptr_grow (¬es, NULL);
+ obs = obstack_finish (¬es);
+ /* Close the bfd. */
+ if (!flag_always_generate_output && had_errors ())
+ res = bfd_close_all_done (obfd);
+ else
+ res = bfd_close (obfd);
+ now_seg = NULL;
+ now_subseg = 0;
+
+ filename = out_file_name;
+ out_file_name = NULL;
+ if (!keep_it && filename)
+ unlink_if_ordinary (filename);
+
+#ifdef md_end
+ md_end ();
#endif
-
-/* end of output-file.c */
+#ifdef obj_end
+ obj_end ();
+#endif
+ macro_end ();
+ expr_end ();
+ read_end ();
+ symbol_end ();
+ subsegs_end (obs);
+
+ if (!res)
+ as_fatal ("%s: %s", filename, bfd_errmsg (bfd_get_error ()));
+}