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

   1 // SPDX-License-Identifier: GPL-2.0
   2 // Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
   3 // Mapping of DWARF debug register numbers into register names.
   4
   5 #include <stddef.h>
   6 #include <dwarf-regs.h>
   7
   8 #if defined(__CSKYABIV2__)
   9 #define CSKY_MAX_REGS 73
  10 const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = {
  11         /* r0 ~ r8 */
  12         "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1", "%regs2", "%regs3",
  13         /* r9 ~ r15 */
  14         "%regs4", "%regs5", "%regs6", "%regs7", "%regs8", "%regs9", "%sp",
  15         "%lr",
  16         /* r16 ~ r23 */
  17         "%exregs0", "%exregs1", "%exregs2", "%exregs3", "%exregs4",
  18         "%exregs5", "%exregs6", "%exregs7",
  19         /* r24 ~ r31 */
  20         "%exregs8", "%exregs9", "%exregs10", "%exregs11", "%exregs12",
  21         "%exregs13", "%exregs14", "%tls",
  22         "%pc", NULL, NULL, NULL, "%hi", "%lo", NULL, NULL,
  23         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  24         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  25         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  26         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  27         "%epc",
  28 };
  29 #else
  30 #define CSKY_MAX_REGS 57
  31 const char *csky_dwarf_regs_table[CSKY_MAX_REGS] = {
  32         /* r0 ~ r8 */
  33         "%sp", "%regs9", "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1",
  34         /* r9 ~ r15 */
  35         "%regs2", "%regs3", "%regs4", "%regs5", "%regs6", "%regs7", "%regs8",
  36         "%lr",
  37         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  38         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  39         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  40         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  41         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  42         "%epc",
  43 };
  44 #endif
  45
  46 const char *get_arch_regstr(unsigned int n)
  47 {
  48         return (n < CSKY_MAX_REGS) ? csky_dwarf_regs_table[n] : NULL;
  49 }