1 /* output-file.c - Deal with the output file 2 Copyright 1987, 1990, 1991, 1992, 1993, 1994, 1996, 1998, 1999, 2001, 2003 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" 41 bfd *stdoutput; 42 43 void 44 output_file_create (char *name) 45 { 46 if (name[0] == '-' && name[1] == '\0') 47 as_fatal (_("can't open a bfd on stdout %s"), name); 48 49 else if (!(stdoutput = bfd_openw (name, TARGET_FORMAT))) 50 { 51 as_perror (_("FATAL: can't create %s"), name); 52 exit (EXIT_FAILURE); 53 } 54 55 bfd_set_format (stdoutput, bfd_object); 56 #ifdef BFD_ASSEMBLER 57 bfd_set_arch_mach (stdoutput, TARGET_ARCH, TARGET_MACH); 58 #endif 59 if (flag_traditional_format) 60 stdoutput->flags |= BFD_TRADITIONAL_FORMAT; 61 } 62 63 void 64 output_file_close (char *filename) 65 { 66 #ifdef BFD_ASSEMBLER 67 /* Close the bfd. */ 68 if (bfd_close (stdoutput) == 0) 69 { 70 bfd_perror (filename); 71 as_perror (_("FATAL: can't close %s\n"), filename); 72 exit (EXIT_FAILURE); 73 } 74 #else 75 /* Close the bfd without getting bfd to write out anything by itself. */ 76 if (bfd_close_all_done (stdoutput) == 0) 77 { 78 as_perror (_("FATAL: can't close %s\n"), filename); 79 exit (EXIT_FAILURE); 80 } 81 #endif 82 stdoutput = NULL; /* Trust nobody! */ 83 } 84 85 #ifndef BFD_ASSEMBLER 86 void 87 output_file_append (char *where ATTRIBUTE_UNUSED, 88 long length ATTRIBUTE_UNUSED, 89 char *filename ATTRIBUTE_UNUSED) 90 { 91 abort (); 92 } 93 #endif 94 95 #else 96 97 static FILE *stdoutput; 98 99 void 100 output_file_create (char *name) 101 { 102 if (name[0] == '-' && name[1] == '\0') 103 { 104 stdoutput = stdout; 105 return; 106 } 107 108 stdoutput = fopen (name, FOPEN_WB); 109 if (stdoutput == NULL) 110 { 111 #ifdef BFD_ASSEMBLER 112 bfd_set_error (bfd_error_system_call); 113 #endif 114 as_perror (_("FATAL: can't create %s"), name); 115 exit (EXIT_FAILURE); 116 } 117 } 118 119 void 120 output_file_close (char *filename) 121 { 122 if (EOF == fclose (stdoutput)) 123 { 124 #ifdef BFD_ASSEMBLER 125 bfd_set_error (bfd_error_system_call); 126 #endif 127 as_perror (_("FATAL: can't close %s"), filename); 128 exit (EXIT_FAILURE); 129 } 130 131 /* Trust nobody! */ 132 stdoutput = NULL; 133 } 134 135 void 136 output_file_append (char * where, long length, char * filename) 137 { 138 for (; length; length--, where++) 139 { 140 (void) putc (*where, stdoutput); 141 142 if (ferror (stdoutput)) 143 { 144 #ifdef BFD_ASSEMBLER 145 bfd_set_error (bfd_error_system_call); 146 #endif 147 as_perror (_("Failed to emit an object byte"), filename); 148 as_fatal (_("can't continue")); 149 } 150 } 151 } 152 153 #endif 154 155