/* Parameters for execution on a Fujitsu FR30 processor.
+ Copyright 1999, 2000 Free Software Foundation, Inc.
-This file is part of GDB.
+ 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 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.
+ 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. */
+ 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. */
+
+#include "regcache.h"
#define FR30_GENREGS 16
#define FR30_DEDICATEDREGS 8
#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 REGISTER_RAW_SIZE(N) FR30_REGSIZE
/* Largest value REGISTER_RAW_SIZE can have. */
-#define MAX_REGISTER_RAW_SIZE FR30_REGSIZE
+#define MAX_REGISTER_RAW_SIZE FR30_REGSIZE
/* Number of bytes of storage in the program's representation
for register N. */
/* Largest value REGISTER_VIRTUAL_SIZE can have. */
#define MAX_REGISTER_VIRTUAL_SIZE FR30_REGSIZE
-extern void fr30_pop_frame PARAMS ((void));
+extern void fr30_pop_frame (void);
#define POP_FRAME fr30_pop_frame()
-#define USE_GENERIC_DUMMY_FRAMES
+#define USE_GENERIC_DUMMY_FRAMES 1
#define CALL_DUMMY {0}
#define CALL_DUMMY_START_OFFSET (0)
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
#define STORE_STRUCT_RETURN(ADDR, SP) \
{ write_register (RETVAL_REG, (ADDR)); }
-#define FRAME_ARGS_ADDRESS(fi) (fi->frame)
+#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)
+#define FRAME_NUM_ARGS(fi) (-1)
-#ifdef __STDC__ /* Forward decls for prototypes */
+/* 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 frameoffset; \
int framereg;
-extern CORE_ADDR fr30_frame_chain PARAMS ((struct frame_info *fi));
+extern CORE_ADDR fr30_frame_chain (struct frame_info *fi);
#define FRAME_CHAIN(fi) fr30_frame_chain (fi)
-extern CORE_ADDR fr30_frame_saved_pc PARAMS ((struct frame_info *));
+extern CORE_ADDR fr30_frame_saved_pc (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)
+extern CORE_ADDR fr30_skip_prologue (CORE_ADDR pc);
+#define SKIP_PROLOGUE(pc) (fr30_skip_prologue (pc))
-/* Write into appropriate registers a function return value
- of type TYPE, given in virtual format. */
+/* Write into appropriate registers a function return value of type
+ TYPE, given in virtual format. VALBUF is in the target byte order;
+ it's typically the VALUE_CONTENTS of some struct value, and those
+ are in the target's byte order. */
+extern void fr30_store_return_value (struct type *type, char *valbuf);
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
- write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE))
+ (fr30_store_return_value ((TYPE), (VALBUF)))
/* Put here the code to store, into a struct frame_saved_regs,
the addresses of the saved registers of frame described by FRAME_INFO.
/* 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));
+/* An expression that tells us whether the function invocation represented
+ by FI does not have a frame on the stack associated with it. */
+extern int fr30_frameless_function_invocation (struct frame_info *frame);
+#define FRAMELESS_FUNCTION_INVOCATION(FI) (fr30_frameless_function_invocation (FI));
+
+extern void fr30_init_extra_frame_info (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)
+#define FRAME_CHAIN_VALID(FP, FI) generic_file_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));
+fr30_push_arguments (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)
+ (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)
+#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP)
/* Fujitsu's ABI requires all structs to be passed using a pointer.
That is obviously not very efficient, so I am leaving the definitions
#endif
/* alway return struct by value by input pointer */
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) 1
+
+/* The stack should always be aligned on a four-word boundary. */
+#define STACK_ALIGN(len) (((len) + 3) & ~3)
+
+/* I think the comment about this in value_arg_coerce is wrong; this
+ should be true on any system where you can rely on the prototyping
+ information. When this is true, value_arg_coerce will promote
+ floats to doubles iff the function is not prototyped. */
+#define COERCE_FLOAT_TO_DOUBLE(formal, actual) (1)
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