2003-08-30 12:47:54 -04:00
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/* stab-hp9k800.c
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*
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* $Id$
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*
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* Copyright 1990, 1991, 1992, 1993, 1994, 1995, Oliver Laumann, Berlin
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2009-12-19 07:28:26 -05:00
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* Copyright 2002, 2003 Sam Hocevar <sam@hocevar.net>, Paris
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2003-08-30 12:47:54 -04:00
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*
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* This software was derived from Elk 1.2, which was Copyright 1987, 1988,
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* 1989, Nixdorf Computer AG and TELES GmbH, Berlin (Elk 1.2 has been written
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* by Oliver Laumann for TELES Telematic Services, Berlin, in a joint project
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* between TELES and Nixdorf Microprocessor Engineering, Berlin).
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*
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* Oliver Laumann, TELES GmbH, Nixdorf Computer AG and Sam Hocevar, as co-
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* owners or individual owners of copyright in this software, grant to any
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* person or company a worldwide, royalty free, license to
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*
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* i) copy this software,
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* ii) prepare derivative works based on this software,
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* iii) distribute copies of this software or derivative works,
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* iv) perform this software, or
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* v) display this software,
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*
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* provided that this notice is not removed and that neither Oliver Laumann
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* nor Teles nor Nixdorf are deemed to have made any representations as to
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* the suitability of this software for any purpose nor are held responsible
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* for any defects of this software.
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*
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* THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
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*/
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2003-08-19 15:19:38 -04:00
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#include AOUT_H
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#include <sys/types.h>
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2003-09-15 08:53:36 -04:00
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extern void Free_Symbols (SYMTAB *);
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2003-08-19 15:24:23 -04:00
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SYMTAB *Snarf_Symbols (FILE *f, struct header *hp) {
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2003-08-19 15:19:38 -04:00
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SYMTAB *tab;
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register SYM *sp, **nextp;
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2003-08-19 15:24:23 -04:00
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register int n;
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2003-08-19 15:19:38 -04:00
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struct symbol_dictionary_record r;
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tab = (SYMTAB *)Safe_Malloc (sizeof (SYMTAB));
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tab->first = 0;
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nextp = &tab->first;
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tab->strings = Safe_Malloc (hp->symbol_strings_size);
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(void)fseek (f, (long)hp->symbol_strings_location, SEEK_SET);
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if (fread (tab->strings, hp->symbol_strings_size, 1, f) != 1) {
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2003-09-02 04:12:11 -04:00
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(void)fclose (f);
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Free_Symbols (tab);
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Primitive_Error ("corrupt string table in object file");
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2003-08-19 15:19:38 -04:00
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}
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(void)fseek (f, (long)hp->symbol_location, SEEK_SET);
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for (n = hp->symbol_total; n > 0; n--) {
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2003-09-02 04:12:11 -04:00
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if (fread ((char *)&r, sizeof r, 1, f) != 1) {
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(void)fclose (f);
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Free_Symbols (tab);
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Primitive_Error ("corrupt symbol table in object file");
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}
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if (r.symbol_type != ST_CODE)
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continue;
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if (r.symbol_scope != SS_UNIVERSAL)
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continue;
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sp = (SYM *)Safe_Malloc (sizeof (SYM));
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sp->name = tab->strings + r.name.n_strx;
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sp->value = r.symbol_value & ~3; /* mask out privilege level */
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*nextp = sp;
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nextp = &sp->next;
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*nextp = 0;
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2003-08-19 15:19:38 -04:00
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}
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return tab;
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}
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2003-08-19 15:24:23 -04:00
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SYMTAB *Open_File_And_Snarf_Symbols (char *name) {
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2003-08-19 15:19:38 -04:00
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struct header hdr;
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FILE *f;
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SYMTAB *tab;
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if ((f = fopen (name, "r")) == NULL)
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2003-09-02 04:12:11 -04:00
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Primitive_Error ("can't open a.out file");
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2003-08-19 15:19:38 -04:00
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if (fread ((char *)&hdr, sizeof hdr, 1, f) != 1) {
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2003-09-02 04:12:11 -04:00
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(void)fclose (f);
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Primitive_Error ("can't read a.out header");
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2003-08-19 15:19:38 -04:00
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}
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tab = Snarf_Symbols (f, &hdr);
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(void)fclose (f);
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return tab;
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}
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