binutils-gdb/gdb/xm-mips.h

58 lines
2.3 KiB
C

/* Definitions to make GDB run on a mips box under 4.3bsd.
Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin
and by Alessandro Forin(af@cs.cmu.edu) at CMU
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#if !defined (HOST_BYTE_ORDER)
#define HOST_BYTE_ORDER LITTLE_ENDIAN
#endif
/* Get rid of any system-imposed stack limit if possible */
#define SET_STACK_LIMIT_HUGE
/* This WOULD BE the amount to subtract from u.u_ar0
to get the offset in the core file of the register values.
But Mips' ptrace works on regnums, not displacements. So since
REGISTER_U_ADDR is called for both core files and ptrace, use
BLOCKEND as a flag: 0 for core files, 1 for ptrace. What a
kludge. */
#define KERNEL_U_ADDR (int)reg_ptr /* Magic, causes a zero blockend */
#define REGISTER_U_ADDR(addr, blockend, regno) \
if (blockend == 0) { \
if (regno < 38) addr = (NBPG*UPAGES) + (regno - 38)*sizeof(int);\
else addr = 0; /* ..somewhere in the pcb */ \
} else if (regno < 32) addr = regno; \
else if (regno == PC_REGNUM) addr = 96; \
else if (regno == 36) addr = 97; \
else if (regno == HI_REGNUM) addr = 98; \
else if (regno == LO_REGNUM) addr = 99; \
else if (regno == FCRCS_REGNUM) addr = 100; \
else if (regno == FCRIR_REGNUM) addr = 101; \
else if (regno >= FP0_REGNUM) addr = regno - (FP0_REGNUM-32);\
else addr = 0;
/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */
#define FETCH_INFERIOR_REGISTERS
/* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */
#define ONE_PROCESS_WRITETEXT