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| -rw-r--r-- | gdb/tm-ultra3.h | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/gdb/tm-ultra3.h b/gdb/tm-ultra3.h new file mode 100644 index 0000000..2b60f90 --- /dev/null +++ b/gdb/tm-ultra3.h @@ -0,0 +1,226 @@ +/* Parameters for NYU Ultracomputer 29000 target, for GDB, the GNU debugger. + Copyright 1990, 1991 Free Software Foundation, Inc. + Contributed by David Wood @ New York University (wood@nyu.edu). + +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. */ + +/* This file includes tm-29k.h, but predefines REGISTER_NAMES and + related macros. The file supports a 29k running our flavor of + Unix on our Ultra3 PE Boards. */ + +/* Byte order is configurable, but this machine runs big-endian. */ +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. + */ +#define NUM_REGS (EXO_REGNUM + 1) + +#define REGISTER_NAMES { \ + "gr1", \ + "gr64", "gr65", "gr66", "gr67", "gr68", "gr69", "gr70", "gr71", "gr72", \ + "gr73", "gr74", "gr75", "gr76", "gr77", "gr78", "gr79", "gr80", "gr81", \ + "gr82", "gr83", "gr84", "gr85", "gr86", "gr87", "gr88", "gr89", "gr90", \ + "gr91", "gr92", "gr93", "gr94", "gr95", \ + "gr96", "gr97", "gr98", "gr99", "gr100", "gr101", "gr102", "gr103", "gr104", \ + "gr105", "gr106", "gr107", "gr108", "gr109", "gr110", "gr111", "gr112", \ + "gr113", "gr114", "gr115", "gr116", "gr117", "gr118", "gr119", "gr120", \ + "gr121", "gr122", "gr123", "gr124", "gr125", "gr126", "gr127", \ + "lr0", "lr1", "lr2", "lr3", "lr4", "lr5", "lr6", "lr7", "lr8", "lr9", \ + "lr10", "lr11", "lr12", "lr13", "lr14", "lr15", "lr16", "lr17", "lr18", \ + "lr19", "lr20", "lr21", "lr22", "lr23", "lr24", "lr25", "lr26", "lr27", \ + "lr28", "lr29", "lr30", "lr31", "lr32", "lr33", "lr34", "lr35", "lr36", \ + "lr37", "lr38", "lr39", "lr40", "lr41", "lr42", "lr43", "lr44", "lr45", \ + "lr46", "lr47", "lr48", "lr49", "lr50", "lr51", "lr52", "lr53", "lr54", \ + "lr55", "lr56", "lr57", "lr58", "lr59", "lr60", "lr61", "lr62", "lr63", \ + "lr64", "lr65", "lr66", "lr67", "lr68", "lr69", "lr70", "lr71", "lr72", \ + "lr73", "lr74", "lr75", "lr76", "lr77", "lr78", "lr79", "lr80", "lr81", \ + "lr82", "lr83", "lr84", "lr85", "lr86", "lr87", "lr88", "lr89", "lr90", \ + "lr91", "lr92", "lr93", "lr94", "lr95", "lr96", "lr97", "lr98", "lr99", \ + "lr100", "lr101", "lr102", "lr103", "lr104", "lr105", "lr106", "lr107", \ + "lr108", "lr109", "lr110", "lr111", "lr112", "lr113", "lr114", "lr115", \ + "lr116", "lr117", "lr118", "lr119", "lr120", "lr121", "lr122", "lr123", \ + "lr124", "lr125", "lr126", "lr127", \ + "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr", \ + "pc0", "pc1", "pc2", "mmu", "lru", \ + "ipc", "ipa", "ipb", "q", "alu", "bp", "fc", "cr", \ + "fpe", "int", "fps", "exo" } + + +#ifdef KERNEL_DEBUGGING +# define PADDR_U_REGNUM 22 /* gr86 */ +# define RETURN_REGNUM GR64_REGNUM +#else +# define RETURN_REGNUM GR96_REGNUM +#endif /* KERNEL_DEBUGGING */ + + +/* Should rename all GR96_REGNUM to RETURN_REGNUM */ +#define GR1_REGNUM (0) +#define GR64_REGNUM 1 +#define GR96_REGNUM (GR64_REGNUM + 32) +/* This needs to be the memory stack pointer, not the register stack pointer, + to make call_function work right. */ +#define SP_REGNUM MSP_REGNUM + +#define FP_REGNUM (LR0_REGNUM + 1) /* lr1 */ +/* Large Return Pointer */ +#define LRP_REGNUM (123 - 96 + RETURN_REGNUM) +/* Static link pointer */ +#define SLP_REGNUM (124 - 96 + RETURN_REGNUM) +/* Memory Stack Pointer. */ +#define MSP_REGNUM (125 - 96 + RETURN_REGNUM) +/* Register allocate bound. */ +#define RAB_REGNUM (126 - 96 + RETURN_REGNUM) +/* Register Free Bound. */ +#define RFB_REGNUM (127 - 96 + RETURN_REGNUM) +/* Register Stack Pointer. */ +#define RSP_REGNUM GR1_REGNUM +#define LR0_REGNUM ( 32 + GR96_REGNUM) + +/* Protected Special registers */ +#define VAB_REGNUM (LR0_REGNUM + 128) +#define OPS_REGNUM (VAB_REGNUM + 1) +#define CPS_REGNUM (VAB_REGNUM + 2) +#define CFG_REGNUM (VAB_REGNUM + 3) +#define CHA_REGNUM (VAB_REGNUM + 4) +#define CHD_REGNUM (VAB_REGNUM + 5) +#define CHC_REGNUM (VAB_REGNUM + 6) +#define RBP_REGNUM (VAB_REGNUM + 7) +#define TMC_REGNUM (VAB_REGNUM + 8) +#define TMR_REGNUM (VAB_REGNUM + 9) +#define NPC_REGNUM (VAB_REGNUM + 10) /* pc0 */ +#define PC_REGNUM (VAB_REGNUM + 11) /* pc1 */ +#define PC2_REGNUM (VAB_REGNUM + 12) /* pc2 */ +#define MMU_REGNUM (VAB_REGNUM + 13) +#define LRU_REGNUM (VAB_REGNUM + 14) + /* Register sequence gap */ +/* Unprotected Special registers */ +#define IPC_REGNUM (LRU_REGNUM + 1) +#define IPA_REGNUM (IPC_REGNUM + 1) +#define IPB_REGNUM (IPC_REGNUM + 2) +#define Q_REGNUM (IPC_REGNUM + 3) +#define ALU_REGNUM (IPC_REGNUM + 4) +#define PS_REGNUM ALU_REGNUM +#define BP_REGNUM (IPC_REGNUM + 5) +#define FC_REGNUM (IPC_REGNUM + 6) +#define CR_REGNUM (IPC_REGNUM + 7) + /* Register sequence gap */ +#define FPE_REGNUM (CR_REGNUM + 1) +#define INT_REGNUM (FPE_REGNUM + 1) +#define FPS_REGNUM (FPE_REGNUM + 2) + /* Register sequence gap */ +#define EXO_REGNUM (FPS_REGNUM + 1) + +/* Special register #x. */ +#define SR_REGNUM(x) \ + ((x) < 15 ? VAB_REGNUM + (x) \ + : (x) >= 128 && (x) < 136 ? IPC_REGNUM + (x-128) \ + : (x) >= 160 && (x) < 163 ? FPE_REGNUM + (x-160) \ + : (x) == 164 ? EXO_REGNUM \ + : (error ("Internal error in SR_REGNUM"), 0)) + +#ifndef KERNEL_DEBUGGING +/* + * This macro defines the register numbers (from REGISTER_NAMES) that + * are effectively unavailable to the user through ptrace(). It allows + * us to include the whole register set in REGISTER_NAMES (inorder to + * better support remote debugging). If it is used in + * fetch/store_inferior_registers() gdb will not complain about I/O errors + * on fetching these registers. If all registers in REGISTER_NAMES + * are available, then return false (0). + */ +#define CANNOT_STORE_REGISTER(regno) \ + (((regno)>=GR64_REGNUM && (regno)<GR64_REGNUM+32) || \ + ((regno)==VAB_REGNUM) || \ + ((regno)==OPS_REGNUM) || \ + ((regno)>=CFG_REGNUM && (regno)<=TMR_REGNUM) || \ + ((regno)==MMU_REGNUM) || \ + ((regno)==LRU_REGNUM) || \ + ((regno)>=ALU_REGNUM) || \ + ((regno)==CR_REGNUM) || \ + ((regno)==EXO_REGNUM)) +#define CANNOT_FETCH_REGISTER(regno) CANNOT_STORE_REGISTER(regno) +#endif /* KERNEL_DEBUGGING */ + +/* + * Converts an sdb register number to an internal gdb register number. + * Currently under gcc, gr96->0...gr128->31...lr0->32...lr127->159, or... + * gr64->0...gr95->31, lr0->32...lr127->159. + */ +#define SDB_REG_TO_REGNUM(value) (((value)<32) ? ((value)+RETURN_REGNUM) : \ + ((value)-32+LR0_REGNUM)) + +#ifdef KERNEL_DEBUGGING + /* ublock virtual address as defined in our sys/param.h */ + /* FIXME: Should get this from sys/param.h */ +# define UVADDR ((32*0x100000)-8192) +#endif + +/* + * Are we in sigtramp(), needed in infrun.c. Specific to ultra3, because + * we take off the leading '_'. + */ +#if !defined(KERNEL_DEBUGGING) +#ifdef SYM1 +# define IN_SIGTRAMP(pc, name) name && !strcmp ("sigtramp", name) +#else + Need to define IN_SIGTRAMP() for sym2. +#endif +#endif /* !KERNEL_DEBUGGING */ + +#include "tm-29k.h" + +/**** The following are definitions that override those in tm-29k.h ****/ + +/* This sequence of words is the instructions + mtsrim cr, 15 + loadm 0, 0, lr2, msp ; load first 16 words of arguments into registers + add msp, msp, 16 * 4 ; point to the remaining arguments + CONST_INSN: + const gr96,inf + consth gr96,inf + calli lr0, gr96 + aseq 0x40,gr1,gr1 ; nop + asneq 0x50,gr1,gr1 ; breakpoint + When KERNEL_DEBUGGIN is defined, msp -> gr93, gr96 -> gr64, + 7d -> 5d, 60 -> 40 + */ + +/* Position of the "const" instruction within CALL_DUMMY in bytes. */ +#undef CALL_DUMMY +#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER +#ifdef KERNEL_DEBUGGING /* gr96 -> gr64 */ +# define CALL_DUMMY {0x0400870f, 0x3600825d, 0x155d5d40, 0x03ff40ff, \ + 0x02ff40ff, 0xc8008040, 0x70400101, 0x72500101} +#else +# define CALL_DUMMY {0x0400870f, 0x3600827d, 0x157d7d40, 0x03ff60ff, \ + 0x02ff60ff, 0xc8008060, 0x70400101, 0x72500101} +#endif /* KERNEL_DEBUGGING */ +#else /* Byte order differs. */ + you lose +#endif /* Byte order differs. */ + +#if !defined(KERNEL_DEBUGGING) +# ifdef SYM1 +# undef DECR_PC_AFTER_BREAK +# define DECR_PC_AFTER_BREAK 0 /* Sym1 kernel does the decrement */ +# else + ->"ULTRA3 running other than sym1 OS"!; +# endif +#endif /* !KERNEL_DEBUGGING */ + |