tools/perf/arch/sparc/util/dwarf-regs.c

   1 /*
   2  * Mapping of DWARF debug register numbers into register names.
   3  *
   4  * Copyright (C) 2010 David S. Miller <davem@davemloft.net>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version
   9  * 2 of the License, or (at your option) any later version.
  10  */
  11
  12 #include <libio.h>
  13 #include <dwarf-regs.h>
  14
  15 #define SPARC_MAX_REGS  96
  16
  17 const char *sparc_regs_table[SPARC_MAX_REGS] = {
  18         "%g0", "%g1", "%g2", "%g3", "%g4", "%g5", "%g6", "%g7",
  19         "%o0", "%o1", "%o2", "%o3", "%o4", "%o5", "%sp", "%o7",
  20         "%l0", "%l1", "%l2", "%l3", "%l4", "%l5", "%l6", "%l7",
  21         "%i0", "%i1", "%i2", "%i3", "%i4", "%i5", "%fp", "%i7",
  22         "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7",
  23         "%f8", "%f9", "%f10", "%f11", "%f12", "%f13", "%f14", "%f15",
  24         "%f16", "%f17", "%f18", "%f19", "%f20", "%f21", "%f22", "%f23",
  25         "%f24", "%f25", "%f26", "%f27", "%f28", "%f29", "%f30", "%f31",
  26         "%f32", "%f33", "%f34", "%f35", "%f36", "%f37", "%f38", "%f39",
  27         "%f40", "%f41", "%f42", "%f43", "%f44", "%f45", "%f46", "%f47",
  28         "%f48", "%f49", "%f50", "%f51", "%f52", "%f53", "%f54", "%f55",
  29         "%f56", "%f57", "%f58", "%f59", "%f60", "%f61", "%f62", "%f63",
  30 };
  31
  32 /**
  33  * get_arch_regstr() - lookup register name from it's DWARF register number
  34  * @n:  the DWARF register number
  35  *
  36  * get_arch_regstr() returns the name of the register in struct
  37  * regdwarfnum_table from it's DWARF register number. If the register is not
  38  * found in the table, this returns NULL;
  39  */
  40 const char *get_arch_regstr(unsigned int n)
  41 {
  42         return (n <= SPARC_MAX_REGS) ? sparc_regs_table[n] : NULL;
  43 }