perf tools: Add DWARF register lookup for SH

ifndef NO_DWARF

PERF_HAVE_DWARF_REGS := 1

LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o

endif

/*

 * Mapping of DWARF debug register numbers into register names.

 *

 * Copyright (C) 2010 Matt Fleming <matt@console-pimps.org>

 *

 * 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

 *

 */

#include <libio.h>

#include <dwarf-regs.h>

/*

 * Generic dwarf analysis helpers

 */

#define SH_MAX_REGS 18

const char *sh_regs_table[SH_MAX_REGS] = {

	"r0",

	"r1",

	"r2",

	"r3",

	"r4",

	"r5",

	"r6",

	"r7",

	"r8",

	"r9",

	"r10",

	"r11",

	"r12",

	"r13",

	"r14",

	"r15",

	"pc",

	"pr",

};

/* Return architecture dependent register string (for kprobe-tracer) */

const char *get_arch_regstr(unsigned int n)

{

	return (n <= SH_MAX_REGS) ? sh_regs_table[n] : NULL;

}