tools/perf/util/dwarf-regs-csky.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 #define CSKY_ABIV2_MAX_REGS 73
   9 const char *csky_dwarf_regs_table_abiv2[CSKY_ABIV2_MAX_REGS] = {
  10         /* r0 ~ r8 */
  11         "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1", "%regs2", "%regs3",
  12         /* r9 ~ r15 */
  13         "%regs4", "%regs5", "%regs6", "%regs7", "%regs8", "%regs9", "%sp",
  14         "%lr",
  15         /* r16 ~ r23 */
  16         "%exregs0", "%exregs1", "%exregs2", "%exregs3", "%exregs4",
  17         "%exregs5", "%exregs6", "%exregs7",
  18         /* r24 ~ r31 */
  19         "%exregs8", "%exregs9", "%exregs10", "%exregs11", "%exregs12",
  20         "%exregs13", "%exregs14", "%tls",
  21         "%pc", NULL, NULL, NULL, "%hi", "%lo", NULL, NULL,
  22         NULL, NULL, NULL, NULL, NULL, NULL, 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         "%epc",
  27 };
  28
  29 #define CSKY_ABIV1_MAX_REGS 57
  30 const char *csky_dwarf_regs_table_abiv1[CSKY_ABIV1_MAX_REGS] = {
  31         /* r0 ~ r8 */
  32         "%sp", "%regs9", "%a0", "%a1", "%a2", "%a3", "%regs0", "%regs1",
  33         /* r9 ~ r15 */
  34         "%regs2", "%regs3", "%regs4", "%regs5", "%regs6", "%regs7", "%regs8",
  35         "%lr",
  36         NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
  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         "%epc",
  42 };
  43
  44 const char *get_csky_regstr(unsigned int n, unsigned int flags)
  45 {
  46         if (flags & EF_CSKY_ABIV2)
  47                 return (n < CSKY_ABIV2_MAX_REGS) ? csky_dwarf_regs_table_abiv2[n] : NULL;
  48
  49         return (n < CSKY_ABIV1_MAX_REGS) ? csky_dwarf_regs_table_abiv1[n] : NULL;
  50 }