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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [config/] [a29k/] [tm-ultra3.h] - Blame information for rev 1765

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1 106 markom
/* Parameters for NYU Ultracomputer 29000 target, for GDB, the GNU debugger.
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   Copyright 1990, 1991 Free Software Foundation, Inc.
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   Contributed by David Wood @ New York University (wood@nyu.edu).
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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., 59 Temple Place - Suite 330,
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   Boston, MA 02111-1307, USA.  */
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/* This file includes tm-a29k.h, but predefines REGISTER_NAMES and
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   related macros.  The file supports a a29k running our flavor of
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   Unix on our Ultra3 PE Boards.  */
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/* Byte order is configurable, but this machine runs big-endian.  */
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#define TARGET_BYTE_ORDER BIG_ENDIAN
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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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 */
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#define NUM_REGS   (EXO_REGNUM + 1)
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#define REGISTER_NAMES {                                                 \
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 "gr1",                                                                  \
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 "gr64", "gr65", "gr66", "gr67", "gr68", "gr69", "gr70", "gr71", "gr72", \
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 "gr73", "gr74", "gr75", "gr76", "gr77", "gr78", "gr79", "gr80", "gr81", \
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 "gr82", "gr83", "gr84", "gr85", "gr86", "gr87", "gr88", "gr89", "gr90", \
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 "gr91", "gr92", "gr93", "gr94", "gr95",                                 \
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 "gr96", "gr97", "gr98", "gr99", "gr100", "gr101", "gr102", "gr103", "gr104", \
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 "gr105", "gr106", "gr107", "gr108", "gr109", "gr110", "gr111", "gr112", \
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 "gr113", "gr114", "gr115", "gr116", "gr117", "gr118", "gr119", "gr120", \
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 "gr121", "gr122", "gr123", "gr124", "gr125", "gr126", "gr127",          \
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 "lr0", "lr1", "lr2", "lr3", "lr4", "lr5", "lr6", "lr7", "lr8", "lr9",   \
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 "lr10", "lr11", "lr12", "lr13", "lr14", "lr15", "lr16", "lr17", "lr18", \
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 "lr19", "lr20", "lr21", "lr22", "lr23", "lr24", "lr25", "lr26", "lr27", \
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 "lr28", "lr29", "lr30", "lr31", "lr32", "lr33", "lr34", "lr35", "lr36", \
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 "lr37", "lr38", "lr39", "lr40", "lr41", "lr42", "lr43", "lr44", "lr45", \
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 "lr46", "lr47", "lr48", "lr49", "lr50", "lr51", "lr52", "lr53", "lr54", \
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 "lr55", "lr56", "lr57", "lr58", "lr59", "lr60", "lr61", "lr62", "lr63", \
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 "lr64", "lr65", "lr66", "lr67", "lr68", "lr69", "lr70", "lr71", "lr72", \
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 "lr73", "lr74", "lr75", "lr76", "lr77", "lr78", "lr79", "lr80", "lr81", \
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 "lr82", "lr83", "lr84", "lr85", "lr86", "lr87", "lr88", "lr89", "lr90", \
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 "lr91", "lr92", "lr93", "lr94", "lr95", "lr96", "lr97", "lr98", "lr99", \
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 "lr100", "lr101", "lr102", "lr103", "lr104", "lr105", "lr106", "lr107", \
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 "lr108", "lr109", "lr110", "lr111", "lr112", "lr113", "lr114", "lr115", \
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 "lr116", "lr117", "lr118", "lr119", "lr120", "lr121", "lr122", "lr123", \
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 "lr124", "lr125", "lr126", "lr127",                                     \
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 "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr",   \
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 "pc0", "pc1", "pc2", "mmu", "lru",                                      \
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 "ipc", "ipa", "ipb", "q", "alu", "bp", "fc", "cr",                      \
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 "fpe", "int", "fps", "exo" }
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#ifdef KERNEL_DEBUGGING
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#define PADDR_U_REGNUM  22      /* gr86 */
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#define RETURN_REGNUM   GR64_REGNUM
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#else
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#define RETURN_REGNUM   GR96_REGNUM
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#endif /* KERNEL_DEBUGGING */
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/* Should rename all GR96_REGNUM to RETURN_REGNUM */
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#define GR1_REGNUM      (0)
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#define GR64_REGNUM     1
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#define GR96_REGNUM     (GR64_REGNUM + 32)
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/* This needs to be the memory stack pointer, not the register stack pointer,
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   to make call_function work right.  */
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#define SP_REGNUM       MSP_REGNUM
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#define FP_REGNUM       (LR0_REGNUM + 1)        /* lr1 */
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/* Large Return Pointer  */
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#define LRP_REGNUM (123 - 96 + RETURN_REGNUM)
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/* Static link pointer   */
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#define SLP_REGNUM (124 - 96 + RETURN_REGNUM)
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/* Memory Stack Pointer.  */
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#define MSP_REGNUM (125 - 96 + RETURN_REGNUM)
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/* Register allocate bound.  */
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#define RAB_REGNUM (126 - 96 + RETURN_REGNUM)
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/* Register Free Bound.  */
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#define RFB_REGNUM (127 - 96 + RETURN_REGNUM)
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/* Register Stack Pointer.  */
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#define RSP_REGNUM GR1_REGNUM
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#define LR0_REGNUM ( 32 +  GR96_REGNUM)
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/* Protected Special registers */
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#define VAB_REGNUM (LR0_REGNUM +  128)
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#define OPS_REGNUM (VAB_REGNUM + 1)
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#define CPS_REGNUM (VAB_REGNUM + 2)
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#define CFG_REGNUM (VAB_REGNUM + 3)
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#define CHA_REGNUM (VAB_REGNUM + 4)
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#define CHD_REGNUM (VAB_REGNUM + 5)
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#define CHC_REGNUM (VAB_REGNUM + 6)
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#define RBP_REGNUM (VAB_REGNUM + 7)
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#define TMC_REGNUM (VAB_REGNUM + 8)
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#define TMR_REGNUM (VAB_REGNUM + 9)
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#define NPC_REGNUM (VAB_REGNUM + 10)    /* pc0 */
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#define PC_REGNUM  (VAB_REGNUM + 11)    /* pc1 */
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#define PC2_REGNUM (VAB_REGNUM + 12)    /* pc2 */
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#define MMU_REGNUM (VAB_REGNUM + 13)
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#define LRU_REGNUM (VAB_REGNUM + 14)
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        /* Register sequence gap */
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/* Unprotected Special registers */
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#define IPC_REGNUM (LRU_REGNUM + 1)
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#define IPA_REGNUM (IPC_REGNUM + 1)
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#define IPB_REGNUM (IPC_REGNUM + 2)
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#define Q_REGNUM   (IPC_REGNUM + 3)
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#define ALU_REGNUM (IPC_REGNUM + 4)
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#define PS_REGNUM  ALU_REGNUM
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#define BP_REGNUM  (IPC_REGNUM + 5)
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#define FC_REGNUM  (IPC_REGNUM + 6)
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#define CR_REGNUM  (IPC_REGNUM + 7)
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        /* Register sequence gap */
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#define FPE_REGNUM (CR_REGNUM  + 1)
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#define INT_REGNUM (FPE_REGNUM + 1)
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#define FPS_REGNUM (FPE_REGNUM + 2)
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        /* Register sequence gap */
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#define EXO_REGNUM (FPS_REGNUM + 1)
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/* Special register #x.  */
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#define SR_REGNUM(x) \
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  ((x) < 15  ? VAB_REGNUM + (x)                                  \
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   : (x) >= 128 && (x) < 136 ? IPC_REGNUM + (x-128)              \
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   : (x) >= 160 && (x) < 163 ? FPE_REGNUM + (x-160)              \
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   : (x) == 164 ? EXO_REGNUM                                     \
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   : (error ("Internal error in SR_REGNUM"), 0))
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#ifndef KERNEL_DEBUGGING
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/*
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 * This macro defines the register numbers (from REGISTER_NAMES) that
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 * are effectively unavailable to the user through ptrace().  It allows
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 * us to include the whole register set in REGISTER_NAMES (inorder to
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 * better support remote debugging).  If it is used in
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 * fetch/store_inferior_registers() gdb will not complain about I/O errors
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 * on fetching these registers.  If all registers in REGISTER_NAMES
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 * are available, then return false (0).
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 */
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#define CANNOT_STORE_REGISTER(regno)            \
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                  (((regno)>=GR64_REGNUM && (regno)<GR64_REGNUM+32) ||  \
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                   ((regno)==VAB_REGNUM) ||     \
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                   ((regno)==OPS_REGNUM) ||     \
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                   ((regno)>=CFG_REGNUM && (regno)<=TMR_REGNUM)     ||  \
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                   ((regno)==MMU_REGNUM) ||     \
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                   ((regno)==LRU_REGNUM) ||     \
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                   ((regno)>=ALU_REGNUM) ||     \
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                   ((regno)==CR_REGNUM)  ||     \
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                   ((regno)==EXO_REGNUM))
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#define CANNOT_FETCH_REGISTER(regno)    CANNOT_STORE_REGISTER(regno)
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#endif /* KERNEL_DEBUGGING */
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/*
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 * Converts an sdb register number to an internal gdb register number.
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 * Currently under gcc, gr96->0...gr128->31...lr0->32...lr127->159, or...
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 *                      gr64->0...gr95->31, lr0->32...lr127->159.
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 */
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#define SDB_REG_TO_REGNUM(value) (((value)<32) ? ((value)+RETURN_REGNUM) : \
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                                                 ((value)-32+LR0_REGNUM))
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#ifdef KERNEL_DEBUGGING
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  /* ublock virtual address as defined in our sys/param.h */
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  /* FIXME: Should get this from sys/param.h */
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#define UVADDR  ((32*0x100000)-8192)
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#endif
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/*
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 * Are we in sigtramp(), needed in infrun.c.  Specific to ultra3, because
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 * we take off the leading '_'.
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 */
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#if !defined(KERNEL_DEBUGGING)
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#ifdef SYM1
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#define IN_SIGTRAMP(pc, name) (name && STREQ ("sigtramp", name))
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#else
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Need to define
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IN_SIGTRAMP () for sym2.
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#endif
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#endif                          /* !KERNEL_DEBUGGING */
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#include "a29k/tm-a29k.h"
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/**** The following are definitions that override those in tm-a29k.h ****/
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/* This sequence of words is the instructions
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   mtsrim cr, 15
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   loadm 0, 0, lr2, msp     ; load first 16 words of arguments into registers
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   add msp, msp, 16 * 4     ; point to the remaining arguments
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   CONST_INSN:
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   const gr96,inf
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   consth gr96,inf
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   calli lr0, gr96
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   aseq 0x40,gr1,gr1   ; nop
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   asneq 0x50,gr1,gr1  ; breakpoint
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   When KERNEL_DEBUGGIN is defined, msp -> gr93, gr96 -> gr64,
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   7d  -> 5d,    60  -> 40
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 */
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/* Position of the "const" instruction within CALL_DUMMY in bytes.  */
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#undef CALL_DUMMY
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#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER
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#ifdef KERNEL_DEBUGGING         /* gr96 -> gr64 */
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#define CALL_DUMMY {0x0400870f, 0x3600825d, 0x155d5d40, 0x03ff40ff,    \
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                    0x02ff40ff, 0xc8008040, 0x70400101, 0x72500101}
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#else
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#define CALL_DUMMY {0x0400870f, 0x3600827d, 0x157d7d40, 0x03ff60ff,    \
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                    0x02ff60ff, 0xc8008060, 0x70400101, 0x72500101}
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#endif                          /* KERNEL_DEBUGGING */
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#else                           /* Byte order differs.  */
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you lose
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#endif                          /* Byte order differs.  */
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#if !defined(KERNEL_DEBUGGING)
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#ifdef SYM1
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#undef  DECR_PC_AFTER_BREAK
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#define DECR_PC_AFTER_BREAK 0   /* Sym1 kernel does the decrement */
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#else
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->"ULTRA3 running other than sym1 OS" !;
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#endif
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#endif /* !KERNEL_DEBUGGING */

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