gdb/config/pyr/xm-pyr.h

   1 /* OBSOLETE /* Definitions to make GDB run on a Pyramidax under OSx 4.0 (4.2bsd). */
   2 /* OBSOLETE    Copyright 1988, 1989, 1992  Free Software Foundation, Inc. */
   3 /* OBSOLETE  */
   4 /* OBSOLETE This file is part of GDB. */
   5 /* OBSOLETE  */
   6 /* OBSOLETE This program is free software; you can redistribute it and/or modify */
   7 /* OBSOLETE it under the terms of the GNU General Public License as published by */
   8 /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
   9 /* OBSOLETE (at your option) any later version. */
  10 /* OBSOLETE  */
  11 /* OBSOLETE This program is distributed in the hope that it will be useful, */
  12 /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
  13 /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
  14 /* OBSOLETE GNU General Public License for more details. */
  15 /* OBSOLETE  */
  16 /* OBSOLETE You should have received a copy of the GNU General Public License */
  17 /* OBSOLETE along with this program; if not, write to the Free Software */
  18 /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  *x/ */
  19 /* OBSOLETE  */
  20 /* OBSOLETE #define HOST_BYTE_ORDER BIG_ENDIAN */
  21 /* OBSOLETE  */
  22 /* OBSOLETE /* Define PYRAMID_CONTROL_FRAME_DEBUGGING to get copious messages */
  23 /* OBSOLETE    about reading the control stack on standard output. This */
  24 /* OBSOLETE    makes gdb unusable as a debugger. *x/ */
  25 /* OBSOLETE  */
  26 /* OBSOLETE /* #define PYRAMID_CONTROL_FRAME_DEBUGGING *x/ */
  27 /* OBSOLETE  */
  28 /* OBSOLETE /* Define PYRAMID_FRAME_DEBUGGING for ? *x/ */
  29 /* OBSOLETE  */
  30 /* OBSOLETE /* use Pyramid's slightly strange ptrace *x/ */
  31 /* OBSOLETE #define PYRAMID_PTRACE */
  32 /* OBSOLETE  */
  33 /* OBSOLETE /* Traditional Unix virtual address spaces have thre regions: text, */
  34 /* OBSOLETE    data and stack.  The text, initialised data, and uninitialised data */
  35 /* OBSOLETE    are represented in separate segments of the a.out file. */
  36 /* OBSOLETE    When a process dumps core, the data and stack regions are written */
  37 /* OBSOLETE    to a core file.  This gives a debugger enough information to */
  38 /* OBSOLETE    reconstruct (and debug) the virtual address space at the time of */
  39 /* OBSOLETE    the coredump. */
  40 /* OBSOLETE    Pyramids have an distinct fourth region of the virtual address */
  41 /* OBSOLETE    space, in which the contents of the windowed registers are stacked */
  42 /* OBSOLETE    in fixed-size frames.  Pyramid refer to this region as the control */
  43 /* OBSOLETE    stack.  Each call (or trap) automatically allocates a new register */
  44 /* OBSOLETE    frame; each return deallocates the current frame and restores the */
  45 /* OBSOLETE    windowed registers to their values before the call. */
  46 /* OBSOLETE  */
  47 /* OBSOLETE    When dumping core, the control stack is written to a core files as */
  48 /* OBSOLETE    a third segment. The core-handling functions need to know to deal */
  49 /* OBSOLETE    with it. *x/  */
  50 /* OBSOLETE  */
  51 /* OBSOLETE /* Tell dep.c what the extra segment is.  *x/ */
  52 /* OBSOLETE #define PYRAMID_CORE */
  53 /* OBSOLETE  */
  54 /* OBSOLETE #define NO_SIGINTERRUPT */
  55 /* OBSOLETE  */
  56 /* OBSOLETE #define HAVE_WAIT_STRUCT */
  57 /* OBSOLETE  */
  58 /* OBSOLETE /* This is the amount to subtract from u.u_ar0 */
  59 /* OBSOLETE    to get the offset in the core file of the register values.  *x/ */
  60 /* OBSOLETE  */
  61 /* OBSOLETE #define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG)) */
  62 /* OBSOLETE  */
  63 /* OBSOLETE /* Define offsets of registers in the core file (or maybe u area) *x/ */
  64 /* OBSOLETE #define REGISTER_U_ADDR(addr, blockend, regno)      \ */
  65 /* OBSOLETE { struct user __u;                                  \ */
  66 /* OBSOLETE   addr = blockend  + (regno - 16 ) * 4;                     \ */
  67 /* OBSOLETE   if (regno == 67) {                                        \ */
  68 /* OBSOLETE       printf("\\geting reg 67\\");                  \ */
  69 /* OBSOLETE       addr = (int)(&__u.u_pcb.pcb_csp) - (int) &__u;        \ */
  70 /* OBSOLETE   } else if (regno == KSP_REGNUM) {                 \ */
  71 /* OBSOLETE       printf("\\geting KSP (reg %d)\\", KSP_REGNUM);        \ */
  72 /* OBSOLETE       addr = (int)(&__u.u_pcb.pcb_ksp) - (int) &__u;        \ */
  73 /* OBSOLETE   } else if (regno == CSP_REGNUM) {                 \ */
  74 /* OBSOLETE       printf("\\geting CSP (reg %d\\",CSP_REGNUM);  \ */
  75 /* OBSOLETE       addr = (int)(&__u.u_pcb.pcb_csp) - (int) &__u;        \ */
  76 /* OBSOLETE   } else if (regno == 64) {                         \ */
  77 /* OBSOLETE       printf("\\geting reg 64\\");                  \ */
  78 /* OBSOLETE       addr = (int)(&__u.u_pcb.pcb_csp) - (int) &__u;        \ */
  79 /* OBSOLETE    } else if (regno == PS_REGNUM)                   \ */
  80 /* OBSOLETE       addr = blockend - 4;                          \ */
  81 /* OBSOLETE   else if (1 && ((16 > regno) && (regno > 11)))             \ */
  82 /* OBSOLETE       addr = last_frame_offset + (4 *(regno+32));   \ */
  83 /* OBSOLETE   else if (0 && (12 > regno))                               \ */
  84 /* OBSOLETE       addr = global_reg_offset + (4 *regno);                \ */
  85 /* OBSOLETE   else if (16 > regno)                                      \ */
  86 /* OBSOLETE       addr = global_reg_offset + (4 *regno);                \ */
  87 /* OBSOLETE  else                                                       \ */
  88 /* OBSOLETE       addr = blockend  + (regno - 16 ) * 4;         \ */
  89 /* OBSOLETE } */
  90 /* OBSOLETE  */
  91 /* OBSOLETE /* Override copies of {fetch,store}_inferior_registers in infptrace.c.  *x/ */
  92 /* OBSOLETE #define FETCH_INFERIOR_REGISTERS */