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author | Anas Nashif <anashif@tizendev.org> | 2012-05-23 08:22:02 +0900 |
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committer | Gerrit Code Review <gerrit2@localhost> | 2012-05-23 08:22:02 +0900 |
commit | b9fae45f49f97914a89b763028f5dbf8b70a9cbc (patch) | |
tree | a76f72f9a6d751f31456309e3cfdf3022b6c5546 /rdoff/rdx.c | |
parent | ecc629773ccf1eaae669dce3d2b017ed476ce911 (diff) | |
parent | b9fad1ab2ad3bd87bff05c4688c978d582ada438 (diff) | |
download | nasm-b9fae45f49f97914a89b763028f5dbf8b70a9cbc.tar.gz nasm-b9fae45f49f97914a89b763028f5dbf8b70a9cbc.tar.bz2 nasm-b9fae45f49f97914a89b763028f5dbf8b70a9cbc.zip |
Merge " Upstream version 2.08rc7"
Diffstat (limited to 'rdoff/rdx.c')
-rw-r--r-- | rdoff/rdx.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/rdoff/rdx.c b/rdoff/rdx.c new file mode 100644 index 0000000..240ab59 --- /dev/null +++ b/rdoff/rdx.c @@ -0,0 +1,88 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 1996-2009 The NASM Authors - All Rights Reserved + * See the file AUTHORS included with the NASM distribution for + * the specific copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following + * conditions are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * ----------------------------------------------------------------------- */ + +/* + * rdx.c RDOFF Object File loader program + */ + +/* note: most of the actual work of this program is done by the modules + "rdfload.c", which loads and relocates the object file, and by "rdoff.c", + which contains general purpose routines to manipulate RDOFF object + files. You can use these files in your own program to load RDOFF objects + and execute the code in them in a similar way to what is shown here. */ + +#include "compiler.h" + +#include <stdio.h> +#include <stdlib.h> + +#include "rdfload.h" +#include "symtab.h" + +typedef int (*main_fn) (int, char **); /* Main function prototype */ + +int main(int argc, char **argv) +{ + rdfmodule *m; + main_fn code; + symtabEnt *s; + + if (argc < 2) { + puts("usage: rdx <rdoff-executable> [params]\n"); + exit(255); + } + + m = rdfload(argv[1]); + + if (!m) { + rdfperror("rdx", argv[1]); + exit(255); + } + + rdf_relocate(m); /* in this instance, the default relocation + values will work fine, but they may need changing + in other cases... */ + + s = symtabFind(m->symtab, "_main"); + if (!s) { + fprintf(stderr, "rdx: could not find symbol '_main' in '%s'\n", + argv[1]); + exit(255); + } + + code = (main_fn)(size_t) s->offset; + + argv++, argc--; /* remove 'rdx' from command line */ + + return code(argc, argv); /* execute */ +} |