| 1 | /* Definitions to make GDB run on a merlin under utek 2.1 |
| 2 | Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 19 | |
| 20 | #include <machine/reg.h> |
| 21 | |
| 22 | /* This machine doesn't have the siginterrupt call. */ |
| 23 | #define NO_SIGINTERRUPT |
| 24 | |
| 25 | /* Under Utek, a ptrace'd process can be the only active process for |
| 26 | an executable. Therefore instead of /bin/sh use gdb-sh (which should |
| 27 | just be a copy of /bin/sh which is world readable and writeable). */ |
| 28 | #define SHELL_FILE "/usr/gnu/lib/gdb-sh" |
| 29 | |
| 30 | #define HOST_BYTE_ORDER LITTLE_ENDIAN |
| 31 | |
| 32 | /* This is the amount to subtract from u.u_ar0 |
| 33 | to get the offset in the core file of the register values. */ |
| 34 | |
| 35 | #define KERNEL_U_ADDR (0xfef000) |
| 36 | |
| 37 | #define REGISTER_U_ADDR(addr, blockend, regno) \ |
| 38 | { \ |
| 39 | switch (regno) { \ |
| 40 | case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: \ |
| 41 | addr = blockend + (R0 - regno) * sizeof (int); break; \ |
| 42 | case PC_REGNUM: \ |
| 43 | addr = blockend + PC * sizeof (int); break; \ |
| 44 | case SP_REGNUM: \ |
| 45 | addr = blockend + SP * sizeof (int); break; \ |
| 46 | case FP_REGNUM: \ |
| 47 | addr = blockend + FP * sizeof (int); break; \ |
| 48 | case PS_REGNUM: \ |
| 49 | addr = blockend + 12 * sizeof (int); break; \ |
| 50 | case FPS_REGNUM: \ |
| 51 | addr = 108; break; \ |
| 52 | case FP0_REGNUM + 0: case FP0_REGNUM + 1: \ |
| 53 | case FP0_REGNUM + 2: case FP0_REGNUM + 3: \ |
| 54 | case FP0_REGNUM + 4: case FP0_REGNUM + 5: \ |
| 55 | case FP0_REGNUM + 6: case FP0_REGNUM + 7: \ |
| 56 | addr = 76 + (regno - FP0_REGNUM) * sizeof (float); break; \ |
| 57 | case LP0_REGNUM + 0: case LP0_REGNUM + 1: \ |
| 58 | case LP0_REGNUM + 2: case LP0_REGNUM + 3: \ |
| 59 | addr = 76 + (regno - LP0_REGNUM) * sizeof (double); break; \ |
| 60 | default: \ |
| 61 | printf ("bad argument to REGISTER_U_ADDR %d\n", regno); \ |
| 62 | abort (); \ |
| 63 | } \ |
| 64 | } |