projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| 5076de82 FF |
1 | /* Native support for HPPA-RISC machine running HPUX, for GDB. |
| 2 | Copyright 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 | |
| 6c9638b4 | 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 5076de82 | 19 | |
| bb140953 JL |
20 | #include "somsolib.h" |
| 21 | ||
| 5076de82 FF |
22 | #define U_REGS_OFFSET 0 |
| 23 | ||
| fe15373a JL |
24 | #define KERNEL_U_ADDR 0 |
| 25 | ||
| 5076de82 FF |
26 | /* What a coincidence! */ |
| 27 | #define REGISTER_U_ADDR(addr, blockend, regno) \ | |
| 28 | { addr = (int)(blockend) + REGISTER_BYTE (regno);} | |
| 22b4b223 | 29 | |
| fe15373a JL |
30 | /* HPUX 8.0, in its infinite wisdom, has chosen to prototype ptrace |
| 31 | with five arguments, so programs written for normal ptrace lose. */ | |
| 32 | #define FIVE_ARG_PTRACE | |
| 33 | ||
| 34 | /* We need to figure out where the text region is so that we use the | |
| 35 | appropriate ptrace operator to manipulate text. Simply reading/writing | |
| 36 | user space will crap out HPUX. */ | |
| 37 | #define NEED_TEXT_START_END | |
| 38 | ||
| 39 | /* This macro defines the register numbers (from REGISTER_NAMES) that | |
| 40 | are effectively unavailable to the user through ptrace(). It allows | |
| 41 | us to include the whole register set in REGISTER_NAMES (inorder to | |
| 42 | better support remote debugging). If it is used in | |
| 43 | fetch/store_inferior_registers() gdb will not complain about I/O errors | |
| 44 | on fetching these registers. If all registers in REGISTER_NAMES | |
| 45 | are available, then return false (0). */ | |
| 46 | ||
| 47 | #define CANNOT_STORE_REGISTER(regno) \ | |
| 48 | ((regno) == 0) || \ | |
| 49 | ((regno) == PCSQ_HEAD_REGNUM) || \ | |
| 50 | ((regno) >= PCSQ_TAIL_REGNUM && (regno) < IPSW_REGNUM) || \ | |
| 51 | ((regno) > IPSW_REGNUM && (regno) < FP4_REGNUM) | |
| 52 | ||
| 40df7e27 JL |
53 | /* fetch_inferior_registers is in hppah-nat.c. */ |
| 54 | #define FETCH_INFERIOR_REGISTERS | |
| 55 | ||
| 56 | /* child_xfer_memory is in hppah-nat.c. */ | |
| 57 | #define CHILD_XFER_MEMORY | |
| 58 | ||
| 59 | /* So we can cleanly use code in infptrace.c. */ | |
| 60 | #define PT_KILL PT_EXIT | |
| 61 | #define PT_STEP PT_SINGLE | |
| 62 | #define PT_CONTINUE PT_CONTIN | |
| 63 | #define PT_READ_U PT_RDUAREA | |
| 64 | #define PT_WRITE_U PT_WUAREA | |
| 65 | #define PT_READ_I PT_RIUSER | |
| 66 | #define PT_READ_D PT_RDUSER | |
| 67 | #define PT_WRITE_I PT_WIUSER | |
| 68 | #define PT_WRITE_D PT_WDUSER | |
| 69 | ||
| 22b4b223 JK |
70 | /* attach/detach works to some extent under BSD and HPUX. So long |
| 71 | as the process you're attaching to isn't blocked waiting on io, | |
| 72 | blocked waiting on a signal, or in a system call things work | |
| 73 | fine. (The problems in those cases are related to the fact that | |
| 74 | the kernel can't provide complete register information for the | |
| 75 | target process... Which really pisses off GDB.) */ | |
| 76 | ||
| 77 | #define ATTACH_DETACH |