| 1 | /* output-file.c - Deal with the output file |
| 2 | Copyright (C) 1987, 1990, 1991 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GAS, the GNU Assembler. |
| 5 | |
| 6 | GAS is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | GAS is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with GAS; see the file COPYING. If not, write to |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | /* |
| 21 | * Confines all details of emitting object bytes to this module. |
| 22 | * All O/S specific crocks should live here. |
| 23 | * What we lose in "efficiency" we gain in modularity. |
| 24 | * Note we don't need to #include the "as.h" file. No common coupling! |
| 25 | */ |
| 26 | |
| 27 | /* note that we do need config info. xoxorich. */ |
| 28 | |
| 29 | /* #include "style.h" */ |
| 30 | #include <stdio.h> |
| 31 | |
| 32 | #include "as.h" |
| 33 | |
| 34 | #include "output-file.h" |
| 35 | #ifdef BFD_HEADERS |
| 36 | #include "bfd.h" |
| 37 | bfd *stdoutput; |
| 38 | void output_file_create(name) |
| 39 | char *name; |
| 40 | { |
| 41 | if(name[0]=='-' && name[1]=='\0') { |
| 42 | as_perror("FATAL: Can't open a bfd on stdout %s ", name); |
| 43 | } |
| 44 | else if ( ! (stdoutput = bfd_openw( name, TARGET_FORMAT )) ) |
| 45 | { |
| 46 | as_perror ("FATAL: Can't create %s", name); |
| 47 | exit(42); |
| 48 | } |
| 49 | bfd_set_format(stdoutput, bfd_object); |
| 50 | } |
| 51 | /* output_file_create() */ |
| 52 | |
| 53 | |
| 54 | void output_file_close(filename) |
| 55 | char *filename; |
| 56 | { |
| 57 | /* Close the bfd without getting bfd to write out anything by itself */ |
| 58 | if ( bfd_close_all_done( stdoutput ) == 0 ) |
| 59 | { |
| 60 | as_perror ("FATAL: Can't close %s\n", filename); |
| 61 | exit(42); |
| 62 | } |
| 63 | stdoutput = NULL; /* Trust nobody! */ |
| 64 | } /* output_file_close() */ |
| 65 | |
| 66 | void output_file_append(where, length, filename) |
| 67 | char *where; |
| 68 | long length; |
| 69 | char *filename; |
| 70 | { |
| 71 | abort(); /* Never do this */ |
| 72 | } |
| 73 | |
| 74 | #else |
| 75 | |
| 76 | static FILE *stdoutput; |
| 77 | |
| 78 | void output_file_create(name) |
| 79 | char *name; |
| 80 | { |
| 81 | if(name[0]=='-' && name[1]=='\0') |
| 82 | stdoutput=stdout; |
| 83 | else if ( ! (stdoutput = fopen( name, "w" )) ) |
| 84 | { |
| 85 | as_perror ("FATAL: Can't create %s", name); |
| 86 | exit(42); |
| 87 | } |
| 88 | } /* output_file_create() */ |
| 89 | |
| 90 | |
| 91 | |
| 92 | void output_file_close(filename) |
| 93 | char *filename; |
| 94 | { |
| 95 | if ( EOF == fclose( stdoutput ) ) |
| 96 | { |
| 97 | as_perror ("FATAL: Can't close %s", filename); |
| 98 | exit(42); |
| 99 | } |
| 100 | stdoutput = NULL; /* Trust nobody! */ |
| 101 | } /* output_file_close() */ |
| 102 | |
| 103 | void output_file_append(where, length, filename) |
| 104 | char *where; |
| 105 | long length; |
| 106 | char *filename; |
| 107 | { |
| 108 | |
| 109 | for (; length; length--,where++) |
| 110 | { |
| 111 | (void)putc(*where,stdoutput); |
| 112 | if(ferror(stdoutput)) |
| 113 | /* if ( EOF == (putc( *where, stdoutput )) ) */ |
| 114 | { |
| 115 | as_perror("Failed to emit an object byte", filename); |
| 116 | as_fatal("Can't continue"); |
| 117 | } |
| 118 | } |
| 119 | } /* output_file_append() */ |
| 120 | #endif |
| 121 | |
| 122 | /* end of output-file.c */ |