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-rw-r--r--bfd/gen-aout.c120
1 files changed, 120 insertions, 0 deletions
diff --git a/bfd/gen-aout.c b/bfd/gen-aout.c
new file mode 100644
index 0000000..b1a59ff
--- /dev/null
+++ b/bfd/gen-aout.c
@@ -0,0 +1,120 @@
+/* Generate parameters for an a.out system.
+ Copyright (C) 1990-2014 Free Software Foundation, Inc.
+
+ This file is part of BFD, the Binary File Descriptor library.
+
+ This program 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 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "/usr/include/a.out.h"
+#include <stdio.h>
+
+#ifndef _
+#define _(X) X
+#endif
+
+int
+main (int argc, char** argv)
+{
+ struct exec my_exec;
+ int page_size;
+ char * target;
+ char * arch = "unknown";
+ FILE * file;
+
+ target = argv[1];
+ if (target == NULL)
+ {
+ fprintf (stderr, "Usage: gen-aout target_name\n");
+ exit (1);
+ }
+
+ file = fopen ("gen-aout", "r");
+ if (file == NULL)
+ {
+ fprintf (stderr, "Cannot open gen-aout!\n");
+ return -1;
+ }
+
+ if (fread (&my_exec, sizeof (struct exec), 1, file) != 1)
+ {
+ fprintf(stderr, "Cannot read gen-aout!\n");
+ return -1;
+ }
+
+ fclose (file);
+
+#ifdef N_TXTOFF
+ page_size = N_TXTOFF(my_exec);
+ if (page_size == 0)
+ printf ("#define N_HEADER_IN_TEXT(x) 1\n");
+ else
+ printf ("#define N_HEADER_IN_TEXT(x) 0\n");
+#endif
+
+ printf("#define BYTES_IN_WORD %d\n", sizeof (int));
+ if (my_exec.a_entry == 0)
+ {
+ printf ("#define ENTRY_CAN_BE_ZERO\n");
+ printf ("#define N_SHARED_LIB(x) 0 /* Avoids warning */\n");
+ }
+ else
+ {
+ printf ("/*#define ENTRY_CAN_BE_ZERO*/\n");
+ printf ("/*#define N_SHARED_LIB(x) 0*/\n");
+ }
+
+ printf ("#define TEXT_START_ADDR %d\n", my_exec.a_entry);
+
+#ifdef PAGSIZ
+ if (page_size == 0)
+ page_size = PAGSIZ;
+#endif
+
+ if (page_size != 0)
+ printf ("#define TARGET_PAGE_SIZE %d\n", page_size);
+ else
+ printf ("/* #define TARGET_PAGE_SIZE ??? */\n");
+
+ printf ("#define SEGMENT_SIZE TARGET_PAGE_SIZE\n");
+
+#ifdef vax
+ arch = "vax";
+#endif
+#ifdef m68k
+ arch = "m68k";
+#endif
+ if (arch[0] == '1')
+ {
+ fprintf (stderr, _("warning: preprocessor substituted architecture name inside string;"));
+ fprintf (stderr, _(" fix DEFAULT_ARCH in the output file yourself\n"));
+ arch = "unknown";
+ }
+ printf ("#define DEFAULT_ARCH bfd_arch_%s\n\n", arch);
+
+ printf ("/* Do not \"beautify\" the CONCAT* macro args. Traditional C will not");
+ printf (" remove whitespace added here, and thus will fail to concatenate");
+ printf (" the tokens. */");
+ printf ("\n#define MY(OP) CONCAT2 (%s_,OP)\n\n", target);
+ printf ("#define TARGETNAME \"a.out-%s\"\n\n", target);
+
+ printf ("#include \"sysdep.h\"\n");
+ printf ("#include \"bfd.h\"\n");
+ printf ("#include \"libbfd.h\"\n");
+ printf ("#include \"libaout.h\"\n");
+ printf ("\n#include \"aout-target.h\"\n");
+
+ return 0;
+}