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8dc965347d
We already have abort-on-error memory allocation and I/O operations in nasmlib, so use them for rdoff as well. Delete long-since-obsolete rdoff Mkfiles directory. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/* ----------------------------------------------------------------------- *
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*
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* Copyright 1996-2009 The NASM Authors - All Rights Reserved
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* See the file AUTHORS included with the NASM distribution for
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* the specific copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following
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* conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ----------------------------------------------------------------------- */
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/*
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* rdx.c RDOFF Object File loader program
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*/
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/* note: most of the actual work of this program is done by the modules
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"rdfload.c", which loads and relocates the object file, and by "rdoff.c",
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which contains general purpose routines to manipulate RDOFF object
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files. You can use these files in your own program to load RDOFF objects
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and execute the code in them in a similar way to what is shown here. */
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#include "compiler.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "rdfload.h"
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#include "symtab.h"
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typedef int (*main_fn) (int, char **); /* Main function prototype */
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int main(int argc, char **argv)
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{
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rdfmodule *m;
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main_fn code;
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symtabEnt *s;
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if (argc < 2) {
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puts("usage: rdx <rdoff-executable> [params]\n");
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exit(255);
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}
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rdoff_init();
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m = rdfload(argv[1]);
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if (!m) {
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rdfperror("rdx", argv[1]);
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exit(255);
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}
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rdf_relocate(m); /* in this instance, the default relocation
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values will work fine, but they may need changing
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in other cases... */
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s = symtabFind(m->symtab, "_main");
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if (!s) {
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fprintf(stderr, "rdx: could not find symbol '_main' in '%s'\n",
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argv[1]);
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exit(255);
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}
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code = (main_fn)(size_t) s->offset;
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argv++, argc--; /* remove 'rdx' from command line */
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return code(argc, argv); /* execute */
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}
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