sysdeps/unix/sysv/linux/sh/sh3/register-dump.h

   1 /* Dump registers.
   2    Copyright (C) 1999, 2000 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <sys/uio.h>
  21 #include <stdio-common/_itoa.h>
  22
  23 /* We will print the register dump in this format:
  24
  25   R0: XXXXXXXX   R1: XXXXXXXX   R2: XXXXXXXX   R3: XXXXXXXX
  26   R4: XXXXXXXX   R5: XXXXXXXX   R6: XXXXXXXX   R7: XXXXXXXX
  27   R8: XXXXXXXX   R9: XXXXXXXX  R10: XXXXXXXX  R11: XXXXXXXX
  28  R12: XXXXXXXX  R13: XXXXXXXX  R14: XXXXXXXX  R15: XXXXXXXX
  29
  30 MACL: XXXXXXXX MACH: XXXXXXXX
  31
  32   PC: XXXXXXXX   PR: XXXXXXXX  GBR: XXXXXXXX   SR: XXXXXXXX
  33
  34  FR0: XXXXXXXX  FR1: XXXXXXXX  FR2: XXXXXXXX  FR3: XXXXXXXX
  35  FR4: XXXXXXXX  FR5: XXXXXXXX  FR6: XXXXXXXX  FR7: XXXXXXXX
  36  FR8: XXXXXXXX  FR9: XXXXXXXX FR10: XXXXXXXX FR11: XXXXXXXX
  37 FR12: XXXXXXXX FR13: XXXXXXXX FR14: XXXXXXXX FR15: XXXXXXXX
  38
  39  XR0: XXXXXXXX  XR1: XXXXXXXX  XR2: XXXXXXXX  XR3: XXXXXXXX
  40  XR4: XXXXXXXX  XR5: XXXXXXXX  XR6: XXXXXXXX  XR7: XXXXXXXX
  41  XR8: XXXXXXXX  XR9: XXXXXXXX XR10: XXXXXXXX XR11: XXXXXXXX
  42 XR12: XXXXXXXX XR13: XXXXXXXX XR14: XXXXXXXX XR15: XXXXXXXX
  43
  44 FPSCR: XXXXXXXX FPUL: XXXXXXXX
  45
  46  */
  47
  48 static void
  49 hexvalue (unsigned long int value, char *buf, size_t len)
  50 {
  51   char *cp = _itoa_word (value, buf + len, 16, 0);
  52   while (cp > buf)
  53     *--cp = '0';
  54 }
  55
  56 static void
  57 register_dump (int fd, struct sigcontext *ctx)
  58 {
  59   char regs[22][8];
  60   struct iovec iov[112];
  61   size_t nr = 0;
  62
  63 #define ADD_STRING(str) \
  64   iov[nr].iov_base = (char *) str;                                            \
  65   iov[nr].iov_len = strlen (str);                                             \
  66   ++nr
  67 #define ADD_MEM(str, len) \
  68   iov[nr].iov_base = str;                                                     \
  69   iov[nr].iov_len = len;                                                      \
  70   ++nr
  71
  72   /* Generate strings of register contents.  */
  73   hexvalue (ctx->sc_regs[0], regs[0], 8);
  74   hexvalue (ctx->sc_regs[1], regs[1], 8);
  75   hexvalue (ctx->sc_regs[2], regs[2], 8);
  76   hexvalue (ctx->sc_regs[3], regs[3], 8);
  77   hexvalue (ctx->sc_regs[4], regs[4], 8);
  78   hexvalue (ctx->sc_regs[5], regs[5], 8);
  79   hexvalue (ctx->sc_regs[6], regs[6], 8);
  80   hexvalue (ctx->sc_regs[7], regs[7], 8);
  81   hexvalue (ctx->sc_regs[8], regs[8], 8);
  82   hexvalue (ctx->sc_regs[9], regs[9], 8);
  83   hexvalue (ctx->sc_regs[10], regs[10], 8);
  84   hexvalue (ctx->sc_regs[11], regs[11], 8);
  85   hexvalue (ctx->sc_regs[12], regs[12], 8);
  86   hexvalue (ctx->sc_regs[13], regs[13], 8);
  87   hexvalue (ctx->sc_regs[14], regs[14], 8);
  88   hexvalue (ctx->sc_regs[15], regs[15], 8);
  89   hexvalue (ctx->sc_macl, regs[16], 8);
  90   hexvalue (ctx->sc_mach, regs[17], 8);
  91   hexvalue (ctx->sc_pc, regs[18], 8);
  92   hexvalue (ctx->sc_pr, regs[19], 8);
  93   hexvalue (ctx->sc_gbr, regs[20], 8);
  94   hexvalue (ctx->sc_sr, regs[21], 8);
  95
  96   /* Generate the output.  */
  97   ADD_STRING ("Register dump:\n\n  R0: ");
  98   ADD_MEM (regs[0], 8);
  99   ADD_STRING ("   R1: ");
 100   ADD_MEM (regs[1], 8);
 101   ADD_STRING ("   R2: ");
 102   ADD_MEM (regs[2], 8);
 103   ADD_STRING ("   R3: ");
 104   ADD_MEM (regs[3], 8);
 105   ADD_STRING ("\n  R4: ");
 106   ADD_MEM (regs[4], 8);
 107   ADD_STRING ("   R5: ");
 108   ADD_MEM (regs[5], 8);
 109   ADD_STRING ("   R6: ");
 110   ADD_MEM (regs[6], 8);
 111   ADD_STRING ("   R7: ");
 112   ADD_MEM (regs[7], 8);
 113   ADD_STRING ("\n  R8: ");
 114   ADD_MEM (regs[8], 8);
 115   ADD_STRING ("   R9: ");
 116   ADD_MEM (regs[9], 8);
 117   ADD_STRING ("  R10: ");
 118   ADD_MEM (regs[10], 8);
 119   ADD_STRING ("  R11: ");
 120   ADD_MEM (regs[11], 8);
 121   ADD_STRING ("\n R12: ");
 122   ADD_MEM (regs[12], 8);
 123   ADD_STRING ("  R13: ");
 124   ADD_MEM (regs[13], 8);
 125   ADD_STRING ("  R14: ");
 126   ADD_MEM (regs[14], 8);
 127   ADD_STRING ("  R15: ");
 128   ADD_MEM (regs[15], 8);
 129
 130   ADD_STRING ("\n\nMACL: ");
 131   ADD_MEM (regs[16], 8);
 132   ADD_STRING (" MACH: ");
 133   ADD_MEM (regs[17], 8);
 134
 135   ADD_STRING ("\n\n  PC: ");
 136   ADD_MEM (regs[18], 8);
 137   ADD_STRING ("   PR: ");
 138   ADD_MEM (regs[19], 8);
 139   ADD_STRING ("  GBR: ");
 140   ADD_MEM (regs[20], 8);
 141   ADD_STRING ("   SR: ");
 142   ADD_MEM (regs[21], 8);
 143
 144   ADD_STRING ("\n");
 145
 146   /* Write the stuff out.  */
 147   writev (fd, iov, nr);
 148 }
 149
 150
 151 #define REGISTER_DUMP register_dump (fd, &ctx)