projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| dd3b648e RP |
1 | /* Definitions to make GDB run on a mips box under 4.3bsd. |
| 2 | Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. | |
| 3 | Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin | |
| 4 | and by Alessandro Forin(af@cs.cmu.edu) at CMU | |
| 5 | ||
| 6 | This file is part of GDB. | |
| 7 | ||
| 99a7de40 | 8 | This program is free software; you can redistribute it and/or modify |
| dd3b648e | 9 | it under the terms of the GNU General Public License as published by |
| 99a7de40 JG |
10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. | |
| dd3b648e | 12 | |
| 99a7de40 | 13 | This program is distributed in the hope that it will be useful, |
| dd3b648e RP |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | GNU General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU General Public License | |
| 99a7de40 JG |
19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| dd3b648e RP |
21 | |
| 22 | #if !defined (HOST_BYTE_ORDER) | |
| 23 | #define HOST_BYTE_ORDER LITTLE_ENDIAN | |
| 24 | #endif | |
| 25 | ||
| dd3b648e RP |
26 | /* Get rid of any system-imposed stack limit if possible */ |
| 27 | ||
| 28 | #define SET_STACK_LIMIT_HUGE | |
| 29 | ||
| 30 | /* This WOULD BE the amount to subtract from u.u_ar0 | |
| 31 | to get the offset in the core file of the register values. | |
| b53d3945 JG |
32 | But Mips' ptrace works on regnums, not displacements. So since |
| 33 | REGISTER_U_ADDR is called for both core files and ptrace, use | |
| 34 | BLOCKEND as a flag: 0 for core files, 1 for ptrace. What a | |
| 35 | kludge. */ | |
| dd3b648e | 36 | |
| b53d3945 | 37 | #define KERNEL_U_ADDR (int)reg_ptr /* Magic, causes a zero blockend */ |
| dd3b648e | 38 | |
| df6335e1 JG |
39 | #define REGISTER_U_ADDR(addr, blockend, regno) \ |
| 40 | if (blockend == 0) { \ | |
| 41 | if (regno < 38) addr = (NBPG*UPAGES) + (regno - 38)*sizeof(int);\ | |
| 42 | else addr = 0; /* ..somewhere in the pcb */ \ | |
| 43 | } else if (regno < 32) addr = regno; \ | |
| 44 | else if (regno == PC_REGNUM) addr = 96; \ | |
| 45 | else if (regno == 36) addr = 97; \ | |
| 46 | else if (regno == HI_REGNUM) addr = 98; \ | |
| 47 | else if (regno == LO_REGNUM) addr = 99; \ | |
| 48 | else if (regno == FCRCS_REGNUM) addr = 100; \ | |
| 49 | else if (regno == FCRIR_REGNUM) addr = 101; \ | |
| 50 | else if (regno >= FP0_REGNUM) addr = regno - (FP0_REGNUM-32);\ | |
| 51 | else addr = 0; | |
| 52 | ||
| dd3b648e RP |
53 | /* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ |
| 54 | #define FETCH_INFERIOR_REGISTERS | |
| 62853f80 JG |
55 | |
| 56 | /* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ | |
| 57 | #define ONE_PROCESS_WRITETEXT |