/* OBSOLETE /* Target-specific definition for the Mitsubishi D30V */ /* OBSOLETE Copyright 1997, 1998, 1999, 2000 Free Software Foundation, Inc. */ /* OBSOLETE */ /* OBSOLETE This file is part of GDB. */ /* OBSOLETE */ /* OBSOLETE This program is free software; you can redistribute it and/or modify */ /* OBSOLETE it under the terms of the GNU General Public License as published by */ /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ /* OBSOLETE (at your option) any later version. */ /* OBSOLETE */ /* OBSOLETE This program is distributed in the hope that it will be useful, */ /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ /* OBSOLETE GNU General Public License for more details. */ /* OBSOLETE */ /* OBSOLETE You should have received a copy of the GNU General Public License */ /* OBSOLETE along with this program; if not, write to the Free Software */ /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ /* OBSOLETE Boston, MA 02111-1307, USA. */ */ /* OBSOLETE */ /* OBSOLETE #ifndef TM_D30V_H */ /* OBSOLETE #define TM_D30V_H */ /* OBSOLETE */ /* OBSOLETE #include "regcache.h" */ /* OBSOLETE */ /* OBSOLETE /* Offset from address of function to start of its code. */ /* OBSOLETE Zero on most machines. */ */ /* OBSOLETE */ /* OBSOLETE #define FUNCTION_START_OFFSET 0 */ /* OBSOLETE */ /* OBSOLETE /* these are the addresses the D30V-EVA board maps data */ */ /* OBSOLETE /* and instruction memory to. */ */ /* OBSOLETE */ /* OBSOLETE #define DMEM_START 0x20000000 */ /* OBSOLETE #define IMEM_START 0x00000000 /* was 0x10000000 */ */ /* OBSOLETE #define STACK_START 0x20007ffe */ /* OBSOLETE */ /* OBSOLETE /* Forward decls for prototypes */ */ /* OBSOLETE struct frame_info; */ /* OBSOLETE struct frame_saved_regs; */ /* OBSOLETE struct type; */ /* OBSOLETE struct value; */ /* OBSOLETE */ /* OBSOLETE /* Advance PC across any function entry prologue instructions */ /* OBSOLETE to reach some "real" code. */ */ /* OBSOLETE */ /* OBSOLETE extern CORE_ADDR d30v_skip_prologue (CORE_ADDR); */ /* OBSOLETE #define SKIP_PROLOGUE(ip) (d30v_skip_prologue (ip)) */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Stack grows downward. */ */ /* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */ /* OBSOLETE */ /* OBSOLETE /* for a breakpoint, use "dbt || nop" */ */ /* OBSOLETE #define BREAKPOINT {0x00, 0xb0, 0x00, 0x00,\ */ /* OBSOLETE 0x00, 0xf0, 0x00, 0x00} */ /* OBSOLETE */ /* OBSOLETE /* If your kernel resets the pc after the trap happens you may need to */ /* OBSOLETE define this before including this file. */ */ /* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_NAMES \ */ /* OBSOLETE { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */ /* OBSOLETE "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ */ /* OBSOLETE "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ */ /* OBSOLETE "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ */ /* OBSOLETE "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", \ */ /* OBSOLETE "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47", \ */ /* OBSOLETE "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55", \ */ /* OBSOLETE "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63", \ */ /* OBSOLETE "spi", "spu", \ */ /* OBSOLETE "psw", "bpsw", "pc", "bpc", "dpsw", "dpc", "cr6", "rpt_c", \ */ /* OBSOLETE "rpt_s", "rpt_e", "mod_s", "mod_e", "cr12", "cr13", "iba", "eit_vb",\ */ /* OBSOLETE "int_s", "int_m", "a0", "a1" \ */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE #define NUM_REGS 86 */ /* OBSOLETE */ /* OBSOLETE /* Register numbers of various important registers. */ /* OBSOLETE Note that some of these values are "real" register numbers, */ /* OBSOLETE and correspond to the general registers of the machine, */ /* OBSOLETE and some are "phony" register numbers which are too large */ /* OBSOLETE to be actual register numbers as far as the user is concerned */ /* OBSOLETE but do serve to get the desired values when passed to read_register. */ */ /* OBSOLETE */ /* OBSOLETE #define R0_REGNUM 0 */ /* OBSOLETE #define FP_REGNUM 61 */ /* OBSOLETE #define LR_REGNUM 62 */ /* OBSOLETE #define SP_REGNUM 63 */ /* OBSOLETE #define SPI_REGNUM 64 /* Interrupt stack pointer */ */ /* OBSOLETE #define SPU_REGNUM 65 /* User stack pointer */ */ /* OBSOLETE #define CREGS_START 66 */ /* OBSOLETE */ /* OBSOLETE #define PSW_REGNUM (CREGS_START + 0) /* psw, bpsw, or dpsw??? */ */ /* OBSOLETE #define PSW_SM (((unsigned long)0x80000000) >> 0) /* Stack mode: 0/SPI */ */ /* OBSOLETE /* 1/SPU */ */ /* OBSOLETE #define PSW_EA (((unsigned long)0x80000000) >> 2) /* Execution status */ */ /* OBSOLETE #define PSW_DB (((unsigned long)0x80000000) >> 3) /* Debug mode */ */ /* OBSOLETE #define PSW_DS (((unsigned long)0x80000000) >> 4) /* Debug EIT status */ */ /* OBSOLETE #define PSW_IE (((unsigned long)0x80000000) >> 5) /* Interrupt enable */ */ /* OBSOLETE #define PSW_RP (((unsigned long)0x80000000) >> 6) /* Repeat enable */ */ /* OBSOLETE #define PSW_MD (((unsigned long)0x80000000) >> 7) /* Modulo enable */ */ /* OBSOLETE #define PSW_F0 (((unsigned long)0x80000000) >> 17) /* F0 flag */ */ /* OBSOLETE #define PSW_F1 (((unsigned long)0x80000000) >> 19) /* F1 flag */ */ /* OBSOLETE #define PSW_F2 (((unsigned long)0x80000000) >> 21) /* F2 flag */ */ /* OBSOLETE #define PSW_F3 (((unsigned long)0x80000000) >> 23) /* F3 flag */ */ /* OBSOLETE #define PSW_S (((unsigned long)0x80000000) >> 25) /* Saturation flag */ */ /* OBSOLETE #define PSW_V (((unsigned long)0x80000000) >> 27) /* Overflow flag */ */ /* OBSOLETE #define PSW_VA (((unsigned long)0x80000000) >> 29) /* Accum. overflow */ */ /* OBSOLETE #define PSW_C (((unsigned long)0x80000000) >> 31) /* Carry/Borrow flag */ */ /* OBSOLETE */ /* OBSOLETE #define BPSW_REGNUM (CREGS_START + 1) /* Backup PSW (on interrupt) */ */ /* OBSOLETE #define PC_REGNUM (CREGS_START + 2) /* pc, bpc, or dpc??? */ */ /* OBSOLETE #define BPC_REGNUM (CREGS_START + 3) /* Backup PC (on interrupt) */ */ /* OBSOLETE #define DPSW_REGNUM (CREGS_START + 4) /* Backup PSW (on debug trap) */ */ /* OBSOLETE #define DPC_REGNUM (CREGS_START + 5) /* Backup PC (on debug trap) */ */ /* OBSOLETE #define RPT_C_REGNUM (CREGS_START + 7) /* Loop count */ */ /* OBSOLETE #define RPT_S_REGNUM (CREGS_START + 8) /* Loop start address */ */ /* OBSOLETE #define RPT_E_REGNUM (CREGS_START + 9) /* Loop end address */ */ /* OBSOLETE #define MOD_S_REGNUM (CREGS_START + 10) */ /* OBSOLETE #define MOD_E_REGNUM (CREGS_START + 11) */ /* OBSOLETE #define IBA_REGNUM (CREGS_START + 14) /* Instruction break address */ */ /* OBSOLETE #define EIT_VB_REGNUM (CREGS_START + 15) /* Vector base address */ */ /* OBSOLETE #define INT_S_REGNUM (CREGS_START + 16) /* Interrupt status */ */ /* OBSOLETE #define INT_M_REGNUM (CREGS_START + 17) /* Interrupt mask */ */ /* OBSOLETE #define A0_REGNUM 84 */ /* OBSOLETE #define A1_REGNUM 85 */ /* OBSOLETE */ /* OBSOLETE /* Say how much memory is needed to store a copy of the register set */ */ /* OBSOLETE #define REGISTER_BYTES ((NUM_REGS - 2) * 4 + 2 * 8) */ /* OBSOLETE */ /* OBSOLETE /* Index within `registers' of the first byte of the space for */ /* OBSOLETE register N. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_BYTE(N) \ */ /* OBSOLETE ( ((N) >= A0_REGNUM) ? ( ((N) - A0_REGNUM) * 8 + A0_REGNUM * 4 ) : ((N) * 4) ) */ /* OBSOLETE */ /* OBSOLETE /* Number of bytes of storage in the actual machine representation */ /* OBSOLETE for register N. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_RAW_SIZE(N) ( ((N) >= A0_REGNUM) ? 8 : 4 ) */ /* OBSOLETE */ /* OBSOLETE /* Number of bytes of storage in the program's representation */ /* OBSOLETE for register N. */ */ /* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) */ /* OBSOLETE */ /* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ */ /* OBSOLETE */ /* OBSOLETE #define MAX_REGISTER_RAW_SIZE 8 */ /* OBSOLETE */ /* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */ */ /* OBSOLETE */ /* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 8 */ /* OBSOLETE */ /* OBSOLETE /* Return the GDB type object for the "standard" data type */ /* OBSOLETE of data in register N. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */ /* OBSOLETE ( ((N) < A0_REGNUM ) ? builtin_type_long : builtin_type_long_long) */ /* OBSOLETE */ /* OBSOLETE /* Writing to r0 is a noop (not an error or exception or anything like */ /* OBSOLETE that, however). */ */ /* OBSOLETE */ /* OBSOLETE #define CANNOT_STORE_REGISTER(regno) ((regno) == R0_REGNUM) */ /* OBSOLETE */ /* OBSOLETE void d30v_do_registers_info (int regnum, int fpregs); */ /* OBSOLETE */ /* OBSOLETE #define DO_REGISTERS_INFO d30v_do_registers_info */ /* OBSOLETE */ /* OBSOLETE /* Store the address of the place in which to copy the structure the */ /* OBSOLETE subroutine will return. This is called from call_function. */ /* OBSOLETE */ /* OBSOLETE We store structs through a pointer passed in R2 */ */ /* OBSOLETE */ /* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) \ */ /* OBSOLETE { write_register (2, (ADDR)); } */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Write into appropriate registers a function return value */ /* OBSOLETE of type TYPE, given in virtual format. */ /* OBSOLETE */ /* OBSOLETE Things always get returned in R2/R3 */ */ /* OBSOLETE */ /* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */ /* OBSOLETE write_register_bytes (REGISTER_BYTE(2), VALBUF, TYPE_LENGTH (TYPE)) */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ /* OBSOLETE the address in which a function should return its structure value, */ /* OBSOLETE as a CORE_ADDR (or an expression that can be used as one). */ */ /* OBSOLETE #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (((CORE_ADDR *)(REGBUF))[2]) */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Define other aspects of the stack frame. */ /* OBSOLETE we keep a copy of the worked out return pc lying around, since it */ /* OBSOLETE is a useful bit of info */ */ /* OBSOLETE */ /* OBSOLETE #define EXTRA_FRAME_INFO \ */ /* OBSOLETE CORE_ADDR return_pc; \ */ /* OBSOLETE CORE_ADDR dummy; \ */ /* OBSOLETE int frameless; \ */ /* OBSOLETE int size; */ /* OBSOLETE */ /* OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \ */ /* OBSOLETE d30v_init_extra_frame_info(fromleaf, fi) */ /* OBSOLETE */ /* OBSOLETE extern void d30v_init_extra_frame_info (int fromleaf, struct frame_info *fi); */ /* OBSOLETE */ /* OBSOLETE /* A macro that tells us whether the function invocation represented */ /* OBSOLETE by FI does not have a frame on the stack associated with it. If it */ /* OBSOLETE does not, FRAMELESS is set to 1, else 0. */ */ /* OBSOLETE */ /* OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) \ */ /* OBSOLETE (frameless_look_for_prologue (FI)) */ /* OBSOLETE */ /* OBSOLETE CORE_ADDR d30v_frame_chain (struct frame_info *frame); */ /* OBSOLETE #define FRAME_CHAIN(FRAME) d30v_frame_chain(FRAME) */ /* OBSOLETE extern int d30v_frame_chain_valid (CORE_ADDR, struct frame_info *); */ /* OBSOLETE #define FRAME_CHAIN_VALID(chain, thisframe) d30v_frame_chain_valid (chain, thisframe) */ /* OBSOLETE #define FRAME_SAVED_PC(FRAME) ((FRAME)->return_pc) */ /* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) (fi)->frame */ /* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame */ /* OBSOLETE */ /* OBSOLETE void d30v_init_frame_pc (int fromleaf, struct frame_info *prev); */ /* OBSOLETE #define INIT_FRAME_PC_FIRST(fromleaf, prev) d30v_init_frame_pc(fromleaf, prev) */ /* OBSOLETE #define INIT_FRAME_PC(fromleaf, prev) /* nada */ */ /* OBSOLETE */ /* OBSOLETE /* Immediately after a function call, return the saved pc. We can't */ */ /* OBSOLETE /* use frame->return_pc beause that is determined by reading R62 off the */ */ /* OBSOLETE /* stack and that may not be written yet. */ */ /* OBSOLETE */ /* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) (read_register(LR_REGNUM)) */ /* OBSOLETE */ /* OBSOLETE /* Set VAL to the number of args passed to frame described by FI. */ /* OBSOLETE Can set VAL to -1, meaning no way to tell. */ */ /* OBSOLETE /* We can't tell how many args there are */ */ /* OBSOLETE */ /* OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) */ /* OBSOLETE */ /* OBSOLETE /* Return number of bytes at start of arglist that are not really args. */ */ /* OBSOLETE */ /* OBSOLETE #define FRAME_ARGS_SKIP 0 */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */ /* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */ /* OBSOLETE This includes special registers such as pc and fp saved in special */ /* OBSOLETE ways in the stack frame. sp is even more special: */ /* OBSOLETE the address we return for it IS the sp for the next frame. */ */ /* OBSOLETE */ /* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */ /* OBSOLETE d30v_frame_find_saved_regs(frame_info, &(frame_saved_regs)) */ /* OBSOLETE */ /* OBSOLETE extern void d30v_frame_find_saved_regs (struct frame_info *, */ /* OBSOLETE struct frame_saved_regs *); */ /* OBSOLETE */ /* OBSOLETE /* DUMMY FRAMES. Need these to support inferior function calls. */ /* OBSOLETE They work like this on D30V: */ /* OBSOLETE First we set a breakpoint at 0 or __start. */ /* OBSOLETE Then we push all the registers onto the stack. */ /* OBSOLETE Then put the function arguments in the proper registers and set r13 */ /* OBSOLETE to our breakpoint address. */ /* OBSOLETE Finally call the function directly. */ /* OBSOLETE When it hits the breakpoint, clear the break point and pop the old */ /* OBSOLETE register contents off the stack. */ */ /* OBSOLETE */ /* OBSOLETE #define CALL_DUMMY { 0 } */ /* OBSOLETE #define PUSH_DUMMY_FRAME */ /* OBSOLETE #define CALL_DUMMY_START_OFFSET 0 */ /* OBSOLETE #define CALL_DUMMY_LOCATION AT_ENTRY_POINT */ /* OBSOLETE #define CALL_DUMMY_BREAKPOINT_OFFSET (0) */ /* OBSOLETE */ /* OBSOLETE extern CORE_ADDR d30v_call_dummy_address (void); */ /* OBSOLETE #define CALL_DUMMY_ADDRESS() d30v_call_dummy_address() */ /* OBSOLETE */ /* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ /* OBSOLETE sp = d30v_fix_call_dummy (dummyname, pc, fun, nargs, args, type, gcc_p) */ /* OBSOLETE */ /* OBSOLETE #define PC_IN_CALL_DUMMY(pc, sp, frame_address) ( pc == IMEM_START + 4 ) */ /* OBSOLETE */ /* OBSOLETE extern CORE_ADDR d30v_fix_call_dummy (char *, CORE_ADDR, CORE_ADDR, */ /* OBSOLETE int, struct value **, */ /* OBSOLETE struct type *, int); */ /* OBSOLETE #define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \ */ /* OBSOLETE (d30v_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr))) */ /* OBSOLETE extern CORE_ADDR d30v_push_arguments (int, struct value **, CORE_ADDR, int, */ /* OBSOLETE CORE_ADDR); */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ /* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */ /* OBSOLETE into VALBUF. */ */ /* OBSOLETE */ /* OBSOLETE #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */ /* OBSOLETE d30v_extract_return_value(TYPE, REGBUF, VALBUF) */ /* OBSOLETE extern void d30v_extract_return_value (struct type *, char *, char *); */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* Discard from the stack the innermost frame, */ /* OBSOLETE restoring all saved registers. */ */ /* OBSOLETE #define POP_FRAME d30v_pop_frame(); */ /* OBSOLETE extern void d30v_pop_frame (void); */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_SIZE 4 */ /* OBSOLETE */ /* OBSOLETE /* Need to handle SP special, as we need to select between spu and spi. */ */ /* OBSOLETE #if 0 /* XXX until the simulator is fixed */ */ /* OBSOLETE #define TARGET_READ_SP() ((read_register (PSW_REGNUM) & PSW_SM) \ */ /* OBSOLETE ? read_register (SPU_REGNUM) \ */ /* OBSOLETE : read_register (SPI_REGNUM)) */ /* OBSOLETE */ /* OBSOLETE #define TARGET_WRITE_SP(val) ((read_register (PSW_REGNUM) & PSW_SM) \ */ /* OBSOLETE ? write_register (SPU_REGNUM, (val)) \ */ /* OBSOLETE : write_register (SPI_REGNUM, (val))) */ /* OBSOLETE #endif */ /* OBSOLETE */ /* OBSOLETE #define STACK_ALIGN(len) (((len) + 7 ) & ~7) */ /* OBSOLETE */ /* OBSOLETE /* Turn this on to cause remote-sim.c to use sim_set/clear_breakpoint. */ */ /* OBSOLETE */ /* OBSOLETE #define SIM_HAS_BREAKPOINTS */ /* OBSOLETE */ /* OBSOLETE #endif /* TM_D30V_H */ */