// OBSOLETE /* Parameters for execution on a Fujitsu FR30 processor. // OBSOLETE Copyright 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 #include "regcache.h" // OBSOLETE // OBSOLETE #define FR30_GENREGS 16 // OBSOLETE #define FR30_DEDICATEDREGS 8 // OBSOLETE #define FR30_REGSIZE 4 /* bytes */ // OBSOLETE // OBSOLETE #define NUM_REGS (FR30_GENREGS + FR30_DEDICATEDREGS) // OBSOLETE #define REGISTER_BYTES ((FR30_GENREGS + FR30_DEDICATEDREGS)*FR30_REGSIZE) // OBSOLETE // OBSOLETE /* Index within `registers' of the first byte of the space for // OBSOLETE register N. */ // OBSOLETE #define REGISTER_BYTE(N) ((N) * FR30_REGSIZE) // OBSOLETE // OBSOLETE /* Initializer for an array of names of registers. // OBSOLETE There should be NUM_REGS strings in this initializer. */ // OBSOLETE #define REGISTER_NAMES \ // OBSOLETE { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", \ // OBSOLETE "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ // OBSOLETE "pc", "ps", "tbr", "rp", "ssp", "usp", "mdh", "mdl" } // OBSOLETE // OBSOLETE /* Offset from address of function to start of its code. // OBSOLETE Zero on most machines. */ // OBSOLETE #define FUNCTION_START_OFFSET 0 // OBSOLETE // OBSOLETE /* Amount PC must be decremented by after a breakpoint. // OBSOLETE This is often the number of bytes in BREAKPOINT // OBSOLETE but not always. */ // OBSOLETE // OBSOLETE #define DECR_PC_AFTER_BREAK 0 // OBSOLETE // OBSOLETE /* Stack grows downward. */ // OBSOLETE // OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) // OBSOLETE // OBSOLETE #define R0_REGNUM 0 // OBSOLETE #define R1_REGNUM 1 // OBSOLETE #define R2_REGNUM 2 // OBSOLETE #define R3_REGNUM 3 // OBSOLETE #define R4_REGNUM 4 // OBSOLETE #define R5_REGNUM 5 // OBSOLETE #define R6_REGNUM 6 // OBSOLETE #define R7_REGNUM 7 // OBSOLETE #define R8_REGNUM 8 // OBSOLETE #define R9_REGNUM 9 // OBSOLETE #define R10_REGNUM 10 // OBSOLETE #define R11_REGNUM 11 // OBSOLETE #define R12_REGNUM 12 // OBSOLETE #define R13_REGNUM 13 // OBSOLETE #define FP_REGNUM 14 /* Frame pointer */ // OBSOLETE #define SP_REGNUM 15 /* Stack pointer */ // OBSOLETE #define PC_REGNUM 16 /* Program counter */ // OBSOLETE #define RP_REGNUM 19 /* Return pointer */ // OBSOLETE // OBSOLETE #define FIRST_ARGREG R4_REGNUM /* first arg (or struct ret val addr) */ // OBSOLETE #define LAST_ARGREG R7_REGNUM /* fourth (or third arg) */ // OBSOLETE #define RETVAL_REG R4_REGNUM /* return vaue */ // OBSOLETE // OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity // OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the // OBSOLETE real way to know how big a register is. */ // OBSOLETE #define REGISTER_SIZE FR30_REGSIZE // OBSOLETE // OBSOLETE /* Number of bytes of storage in the actual machine representation // OBSOLETE for register N. */ // OBSOLETE #define REGISTER_RAW_SIZE(N) FR30_REGSIZE // OBSOLETE // OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ // OBSOLETE #define MAX_REGISTER_RAW_SIZE FR30_REGSIZE // 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_VIRTUAL_SIZE can have. */ // OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE FR30_REGSIZE // OBSOLETE // OBSOLETE extern void fr30_pop_frame (void); // OBSOLETE #define POP_FRAME fr30_pop_frame() // OBSOLETE // OBSOLETE #define USE_GENERIC_DUMMY_FRAMES 1 // OBSOLETE #define CALL_DUMMY {0} // OBSOLETE #define CALL_DUMMY_START_OFFSET (0) // OBSOLETE #define CALL_DUMMY_BREAKPOINT_OFFSET (0) // OBSOLETE #define CALL_DUMMY_LOCATION AT_ENTRY_POINT // OBSOLETE #define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP) // OBSOLETE #define CALL_DUMMY_ADDRESS() entry_point_address () // OBSOLETE #define PUSH_RETURN_ADDRESS(PC, SP) (write_register(RP_REGNUM, CALL_DUMMY_ADDRESS()), SP) // OBSOLETE #define PUSH_DUMMY_FRAME generic_push_dummy_frame () // OBSOLETE // OBSOLETE /* Number of bytes at start of arglist that are not really args. */ // OBSOLETE #define FRAME_ARGS_SKIP 0 // OBSOLETE // OBSOLETE /* Return the GDB type object for the "standard" data type // OBSOLETE of data in register N. */ // OBSOLETE #define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int // 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 #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ // OBSOLETE memcpy (VALBUF, REGBUF + REGISTER_BYTE(RETVAL_REG) + \ // OBSOLETE (TYPE_LENGTH(TYPE) < 4 ? 4 - TYPE_LENGTH(TYPE) : 0), TYPE_LENGTH (TYPE)) // 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) \ // OBSOLETE extract_address (REGBUF + REGISTER_BYTE (RETVAL_REG), \ // OBSOLETE REGISTER_RAW_SIZE (RETVAL_REG)) // OBSOLETE // OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) \ // OBSOLETE { write_register (RETVAL_REG, (ADDR)); } // OBSOLETE // OBSOLETE #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) // OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) // OBSOLETE // OBSOLETE /* Return number of args passed to a frame. // OBSOLETE Can return -1, meaning no way to tell. */ // OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) // OBSOLETE // OBSOLETE /* Forward decls for prototypes */ // OBSOLETE struct frame_info; // OBSOLETE struct frame_saved_regs; // OBSOLETE struct type; // OBSOLETE struct value; // OBSOLETE // OBSOLETE #define EXTRA_FRAME_INFO \ // OBSOLETE struct frame_saved_regs fsr; \ // OBSOLETE int framesize; \ // OBSOLETE int frameoffset; \ // OBSOLETE int framereg; // OBSOLETE // OBSOLETE extern CORE_ADDR fr30_frame_chain (struct frame_info *fi); // OBSOLETE #define FRAME_CHAIN(fi) fr30_frame_chain (fi) // OBSOLETE // OBSOLETE extern CORE_ADDR fr30_frame_saved_pc (struct frame_info *); // OBSOLETE #define FRAME_SAVED_PC(fi) (fr30_frame_saved_pc (fi)) // OBSOLETE // OBSOLETE #define SAVED_PC_AFTER_CALL(fi) read_register (RP_REGNUM) // OBSOLETE // OBSOLETE extern CORE_ADDR fr30_skip_prologue (CORE_ADDR pc); // OBSOLETE #define SKIP_PROLOGUE(pc) (fr30_skip_prologue (pc)) // OBSOLETE // OBSOLETE /* Write into appropriate registers a function return value of type // OBSOLETE TYPE, given in virtual format. VALBUF is in the target byte order; // OBSOLETE it's typically the VALUE_CONTENTS of some struct value, and those // OBSOLETE are in the target's byte order. */ // OBSOLETE extern void fr30_store_return_value (struct type *type, char *valbuf); // OBSOLETE // OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ // OBSOLETE (fr30_store_return_value ((TYPE), (VALBUF))) // 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 #define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr // OBSOLETE // OBSOLETE /* Use INT #BREAKPOINT_INTNUM instruction for breakpoint */ // OBSOLETE #define FR30_BREAKOP 0x1f /* opcode, type D instruction */ // OBSOLETE #define BREAKPOINT_INTNUM 9 /* one of the reserved traps */ // OBSOLETE #define BREAKPOINT {FR30_BREAKOP, BREAKPOINT_INTNUM} // OBSOLETE // OBSOLETE /* Define this for Wingdb */ // OBSOLETE #define TARGET_FR30 // OBSOLETE // OBSOLETE /* Define other aspects of the stack frame. */ // OBSOLETE // OBSOLETE /* An expression that tells us whether the function invocation represented // OBSOLETE by FI does not have a frame on the stack associated with it. */ // OBSOLETE extern int fr30_frameless_function_invocation (struct frame_info *frame); // OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) (fr30_frameless_function_invocation (FI)); // OBSOLETE // OBSOLETE extern void fr30_init_extra_frame_info (struct frame_info *fi); // OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) fr30_init_extra_frame_info (fi) // OBSOLETE // OBSOLETE #define FRAME_CHAIN_VALID(FP, FI) generic_file_frame_chain_valid (FP, FI) // OBSOLETE // OBSOLETE extern CORE_ADDR // OBSOLETE fr30_push_arguments (int nargs, struct value **args, CORE_ADDR sp, // OBSOLETE int struct_return, CORE_ADDR struct_addr); // OBSOLETE #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ // OBSOLETE (fr30_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)) // OBSOLETE // OBSOLETE #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) // OBSOLETE // OBSOLETE /* Fujitsu's ABI requires all structs to be passed using a pointer. // OBSOLETE That is obviously not very efficient, so I am leaving the definitions // OBSOLETE to make gdb work with GCC style struct passing, in case we decide // OBSOLETE to go for better performance, rather than for compatibility with // OBSOLETE Fujitsu (just change STRUCT_ALWAYS_BY_ADDR to 0) */ // OBSOLETE // OBSOLETE #define STRUCT_ALWAYS_BY_ADDR 1 // OBSOLETE // OBSOLETE #if(STRUCT_ALWAYS_BY_ADDR) // OBSOLETE #define REG_STRUCT_HAS_ADDR(gcc_p,type) 1 // OBSOLETE #else // OBSOLETE /* more standard GCC (optimized) */ // OBSOLETE #define REG_STRUCT_HAS_ADDR(gcc_p,type) \ // OBSOLETE ((TYPE_LENGTH(type) > 4) && (TYPE_LENGTH(type) & 0x3)) // OBSOLETE #endif // OBSOLETE /* alway return struct by value by input pointer */ // OBSOLETE #define USE_STRUCT_CONVENTION(GCC_P, TYPE) 1 // OBSOLETE // OBSOLETE /* The stack should always be aligned on a four-word boundary. */ // OBSOLETE #define STACK_ALIGN(len) (((len) + 3) & ~3) // OBSOLETE // OBSOLETE /* I think the comment about this in value_arg_coerce is wrong; this // OBSOLETE should be true on any system where you can rely on the prototyping // OBSOLETE information. When this is true, value_arg_coerce will promote // OBSOLETE floats to doubles iff the function is not prototyped. */ // OBSOLETE #define COERCE_FLOAT_TO_DOUBLE(formal, actual) (1)