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      1 /*
      2  * Mapping of DWARF debug register numbers into register names.
      3  *
      4  * Copyright (C) 2010 Matt Fleming <matt (at) console-pimps.org>
      5  *
      6  * This program is free software; you can redistribute it and/or modify
      7  * it under the terms of the GNU General Public License as published by
      8  * the Free Software Foundation; either version 2 of the License, or
      9  * (at your option) any later version.
     10  *
     11  * This program is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14  * GNU General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU General Public License
     17  * along with this program; if not, write to the Free Software
     18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
     19  *
     20  */
     21 
     22 #include <libio.h>
     23 #include <dwarf-regs.h>
     24 
     25 /*
     26  * Generic dwarf analysis helpers
     27  */
     28 
     29 #define SH_MAX_REGS 18
     30 const char *sh_regs_table[SH_MAX_REGS] = {
     31 	"r0",
     32 	"r1",
     33 	"r2",
     34 	"r3",
     35 	"r4",
     36 	"r5",
     37 	"r6",
     38 	"r7",
     39 	"r8",
     40 	"r9",
     41 	"r10",
     42 	"r11",
     43 	"r12",
     44 	"r13",
     45 	"r14",
     46 	"r15",
     47 	"pc",
     48 	"pr",
     49 };
     50 
     51 /* Return architecture dependent register string (for kprobe-tracer) */
     52 const char *get_arch_regstr(unsigned int n)
     53 {
     54 	return (n <= SH_MAX_REGS) ? sh_regs_table[n] : NULL;
     55 }
     56