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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/config/fr30/tm-fr30.h
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
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Initial creation of sourceware repository
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diff --git a/gdb/config/fr30/tm-fr30.h b/gdb/config/fr30/tm-fr30.h
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-/* Parameters for execution on a Fujitsu FR30 processor.
-
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#define FR30_GENREGS 16
-#define FR30_DEDICATEDREGS 8
-#define FR30_REGSIZE 4 /* bytes */
-
-#define NUM_REGS (FR30_GENREGS + FR30_DEDICATEDREGS)
-#define REGISTER_BYTES ((FR30_GENREGS + FR30_DEDICATEDREGS)*FR30_REGSIZE)
-
-/* Index within `registers' of the first byte of the space for
- register N. */
-#define REGISTER_BYTE(N) ((N) * FR30_REGSIZE)
-
-/* Initializer for an array of names of registers.
- There should be NUM_REGS strings in this initializer. */
-#define REGISTER_NAMES \
-{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", \
- "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
- "pc", "ps", "tbr", "rp", "ssp", "usp", "mdh", "mdl" }
-
-/* Offset from address of function to start of its code.
- Zero on most machines. */
-#define FUNCTION_START_OFFSET 0
-
-/* Amount PC must be decremented by after a breakpoint.
- This is often the number of bytes in BREAKPOINT
- but not always. */
-
-#define DECR_PC_AFTER_BREAK 0
-
-/* Stack grows downward. */
-
-#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
-
-#define TARGET_BYTE_ORDER BIG_ENDIAN
-
-#define R0_REGNUM 0
-#define R1_REGNUM 1
-#define R2_REGNUM 2
-#define R3_REGNUM 3
-#define R4_REGNUM 4
-#define R5_REGNUM 5
-#define R6_REGNUM 6
-#define R7_REGNUM 7
-#define R8_REGNUM 8
-#define R9_REGNUM 9
-#define R10_REGNUM 10
-#define R11_REGNUM 11
-#define R12_REGNUM 12
-#define R13_REGNUM 13
-#define FP_REGNUM 14 /* Frame pointer */
-#define SP_REGNUM 15 /* Stack pointer */
-#define PC_REGNUM 16 /* Program counter */
-#define RP_REGNUM 19 /* Return pointer */
-
-#define FIRST_ARGREG R4_REGNUM /* first arg (or struct ret val addr) */
-#define LAST_ARGREG R7_REGNUM /* fourth (or third arg) */
-#define RETVAL_REG R4_REGNUM /* return vaue */
-
-/* Say how long (ordinary) registers are. This is a piece of bogosity
- used in push_word and a few other places; REGISTER_RAW_SIZE is the
- real way to know how big a register is. */
-#define REGISTER_SIZE FR30_REGSIZE
-
-/* Number of bytes of storage in the actual machine representation
- for register N. */
-#define REGISTER_RAW_SIZE(N) FR30_REGSIZE
-
-/* Largest value REGISTER_RAW_SIZE can have. */
-#define MAX_REGISTER_RAW_SIZE FR30_REGSIZE
-
-/* Number of bytes of storage in the program's representation
- for register N. */
-#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
-
-/* Largest value REGISTER_VIRTUAL_SIZE can have. */
-#define MAX_REGISTER_VIRTUAL_SIZE FR30_REGSIZE
-
-extern void fr30_pop_frame PARAMS ((void));
-#define POP_FRAME fr30_pop_frame()
-
-#define USE_GENERIC_DUMMY_FRAMES
-#define CALL_DUMMY {0}
-#define CALL_DUMMY_START_OFFSET (0)
-#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
-#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
-#define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP)
-#define CALL_DUMMY_ADDRESS() entry_point_address ()
-#define PUSH_RETURN_ADDRESS(PC, SP) (write_register(RP_REGNUM, CALL_DUMMY_ADDRESS()), SP)
-#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
-
-/* Number of bytes at start of arglist that are not really args. */
-#define FRAME_ARGS_SKIP 0
-
-/* Return the GDB type object for the "standard" data type
- of data in register N. */
-#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int
-
-/* Extract from an array REGBUF containing the (raw) register state
- a function return value of type TYPE, and copy that, in virtual format,
- into VALBUF. */
-#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
- memcpy (VALBUF, REGBUF + REGISTER_BYTE(RETVAL_REG) + \
- (TYPE_LENGTH(TYPE) < 4 ? 4 - TYPE_LENGTH(TYPE) : 0), TYPE_LENGTH (TYPE))
-
-/* Extract from an array REGBUF containing the (raw) register state
- the address in which a function should return its structure value,
- as a CORE_ADDR (or an expression that can be used as one). */
-#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
- extract_address (REGBUF + REGISTER_BYTE (RETVAL_REG), \
- REGISTER_RAW_SIZE (RETVAL_REG))
-
-#define STORE_STRUCT_RETURN(ADDR, SP) \
- { write_register (RETVAL_REG, (ADDR)); }
-
-#define FRAME_ARGS_ADDRESS(fi) (fi->frame)
-#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
-
-/* Return number of args passed to a frame.
- Can return -1, meaning no way to tell. */
-#define FRAME_NUM_ARGS(numargs, fi) (numargs = -1)
-
-#ifdef __STDC__ /* Forward decls for prototypes */
-struct frame_info;
-struct frame_saved_regs;
-struct type;
-struct value;
-#endif
-
-#define EXTRA_FRAME_INFO \
- struct frame_saved_regs fsr; \
- int framesize; \
- int frameoffset; \
- int framereg;
-
-extern CORE_ADDR fr30_frame_chain PARAMS ((struct frame_info *fi));
-#define FRAME_CHAIN(fi) fr30_frame_chain (fi)
-
-extern CORE_ADDR fr30_frame_saved_pc PARAMS ((struct frame_info *));
-#define FRAME_SAVED_PC(fi) (fr30_frame_saved_pc (fi))
-
-#define SAVED_PC_AFTER_CALL(fi) read_register (RP_REGNUM)
-
-extern CORE_ADDR fr30_skip_prologue PARAMS ((CORE_ADDR pc));
-#define SKIP_PROLOGUE(pc) pc = fr30_skip_prologue (pc)
-
-/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format. */
-
-#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
-
-/* Put here the code to store, into a struct frame_saved_regs,
- the addresses of the saved registers of frame described by FRAME_INFO.
- This includes special registers such as pc and fp saved in special
- ways in the stack frame. sp is even more special:
- the address we return for it IS the sp for the next frame. */
-#define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr
-
-/* Use INT #BREAKPOINT_INTNUM instruction for breakpoint */
-#define FR30_BREAKOP 0x1f /* opcode, type D instruction */
-#define BREAKPOINT_INTNUM 9 /* one of the reserved traps */
-#define BREAKPOINT {FR30_BREAKOP, BREAKPOINT_INTNUM}
-
-/* Define this for Wingdb */
-#define TARGET_FR30
-
-/* IEEE format floating point */
-#define IEEE_FLOAT
-
-/* Define other aspects of the stack frame. */
-
-/* A macro that tells us whether the function invocation represented
- by FI does not have a frame on the stack associated with it. If it
- does not, FRAMELESS is set to 1, else 0. */
-#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \
-{ \
- CORE_ADDR func_start, after_prologue; \
- func_start = (get_pc_function_start ((FI)->pc) + \
- FUNCTION_START_OFFSET); \
- after_prologue = func_start; \
- SKIP_PROLOGUE (after_prologue); \
- (FRAMELESS) = (after_prologue == func_start); \
-}
-
-extern void fr30_init_extra_frame_info PARAMS ((struct frame_info *fi));
-#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) fr30_init_extra_frame_info (fi)
-
-#define FRAME_CHAIN_VALID(FP, FI) generic_frame_chain_valid (FP, FI)
-
-extern CORE_ADDR
-fr30_push_arguments PARAMS ((int nargs, struct value **args, CORE_ADDR sp,
- int struct_return,
- CORE_ADDR struct_addr));
-#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
- (SP) = fr30_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)
-
-#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP)
-
-/* Fujitsu's ABI requires all structs to be passed using a pointer.
- That is obviously not very efficient, so I am leaving the definitions
- to make gdb work with GCC style struct passing, in case we decide
- to go for better performance, rather than for compatibility with
- Fujitsu (just change STRUCT_ALWAYS_BY_ADDR to 0) */
-
-#define STRUCT_ALWAYS_BY_ADDR 1
-
-#if(STRUCT_ALWAYS_BY_ADDR)
-#define REG_STRUCT_HAS_ADDR(gcc_p,type) 1
-#else
-/* more standard GCC (optimized) */
-#define REG_STRUCT_HAS_ADDR(gcc_p,type) \
- ((TYPE_LENGTH(type) > 4) && (TYPE_LENGTH(type) & 0x3))
-#endif
-/* alway return struct by value by input pointer */
-#define USE_STRUCT_CONVENTION(GCC_P, TYPE) 1