77 lines
2.9 KiB
C
77 lines
2.9 KiB
C
/* Target machine description for SGI Iris under Irix, for GDB.
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Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "mips/tm-bigmips.h"
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/* SGI's assembler doesn't grok dollar signs in identifiers.
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So we use dots instead. This item must be coordinated with G++. */
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#undef CPLUS_MARKER
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#define CPLUS_MARKER '.'
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/* Redefine register numbers for SGI. */
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#undef NUM_REGS
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#undef REGISTER_NAMES
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#undef FP0_REGNUM
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#undef PC_REGNUM
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#undef PS_REGNUM
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#undef HI_REGNUM
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#undef LO_REGNUM
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#undef FCRCS_REGNUM
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#undef FCRIR_REGNUM
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/* Number of machine registers */
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#define NUM_REGS 71
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/* Initializer for an array of names of registers.
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There should be NUM_REGS strings in this initializer. */
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#define REGISTER_NAMES \
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{ "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", \
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"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", \
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"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \
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"t8", "t9", "k0", "k1", "gp", "sp", "fp", "ra", \
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"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
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"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
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"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",\
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"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",\
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"pc", "cause", "bad", "hi", "lo", "fsr", "fir" \
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}
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/* Register numbers of various important registers.
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Note that some of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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and some are "phony" register numbers which are too large
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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#define FP0_REGNUM 32 /* Floating point register 0 (single float) */
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#define PC_REGNUM 64 /* Contains program counter */
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#define PS_REGNUM 65 /* Contains processor status */
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#define HI_REGNUM 67 /* Multiple/divide temp */
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#define LO_REGNUM 68 /* ... */
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#define FCRCS_REGNUM 69 /* FP control/status */
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#define FCRIR_REGNUM 70 /* FP implementation/revision */
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/* Offsets for register values in _sigtramp frame.
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sigcontext is immediately above the _sigtramp frame on Irix. */
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#define SIGFRAME_BASE 0x0
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#define SIGFRAME_PC_OFF (SIGFRAME_BASE + 2 * 4)
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#define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 3 * 4)
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