1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* Parameters for execution on a Matsushita mn10300 processor.
Copyright 1996, 1997 Free Software Foundation, Inc.
Contributed by Geoffrey Noer <noer@cygnus.com>
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. */
/* The mn10300 is little endian. */
#define TARGET_BYTE_ORDER_DEFAULT LITTLE_ENDIAN
/* All registers are 32bits (phew!). */
#define REGISTER_SIZE 4
#define MAX_REGISTER_RAW_SIZE 4
#define NUM_REGS 32
#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int
#define REGISTER_BYTE(REG) ((REG) * 4)
#define REGISTER_VIRTUAL_SIZE(REG) 4
#define REGISTER_RAW_SIZE(REG) 4
#define MAX_REGISTER_VIRTUAL_SIZE 4
#define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE)
extern char **mn10300_register_names;
#define REGISTER_NAME(i) mn10300_register_names[i]
#define D2_REGNUM 2
#define D3_REGNUM 3
#define A2_REGNUM 6
#define A3_REGNUM 7
#define SP_REGNUM 8
#define PC_REGNUM 9
#define MDR_REGNUM 10
#define PSW_REGNUM 11
#define LIR_REGNUM 12
#define LAR_REGNUM 13
/* Pseudo register that contains true address of executing stack frame */
#define FP_REGNUM 31
/* BREAKPOINT_FROM_PC uses the program counter value to determine the
breakpoint that should be used */
extern breakpoint_from_pc_fn mn10300_breakpoint_from_pc;
#define BREAKPOINT_FROM_PC(pcptr, lenptr) mn10300_breakpoint_from_pc (pcptr, lenptr)
#define FUNCTION_START_OFFSET 0
#define DECR_PC_AFTER_BREAK 0
#define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
#define SAVED_PC_AFTER_CALL(frame) \
read_memory_integer (read_register (SP_REGNUM), 4)
#ifdef __STDC__
struct frame_info;
struct type;
struct value;
#endif
extern void mn10300_init_extra_frame_info PARAMS ((struct frame_info *));
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) mn10300_init_extra_frame_info (fi)
#define INIT_FRAME_PC /* Not necessary */
#define FRAME_INIT_SAVED_REGS(fi) /* handled by init_extra_frame_info */
extern CORE_ADDR mn10300_frame_chain PARAMS ((struct frame_info *));
#define FRAME_CHAIN(fi) mn10300_frame_chain (fi)
#define FRAME_CHAIN_VALID(FP, FI) generic_frame_chain_valid (FP, FI)
extern CORE_ADDR mn10300_find_callers_reg PARAMS ((struct frame_info *, int));
extern CORE_ADDR mn10300_frame_saved_pc PARAMS ((struct frame_info *));
#define FRAME_SAVED_PC(FI) (mn10300_frame_saved_pc (FI))
/* 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) \
if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
memcpy (VALBUF, REGBUF + REGISTER_BYTE (4), TYPE_LENGTH (TYPE)); \
else \
memcpy (VALBUF, REGBUF + REGISTER_BYTE (0), TYPE_LENGTH (TYPE));
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
extract_address (REGBUF + REGISTER_BYTE (4), \
REGISTER_RAW_SIZE (4))
#define STORE_RETURN_VALUE(TYPE, VALBUF) \
if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
write_register_bytes(REGISTER_BYTE (4), VALBUF, TYPE_LENGTH (TYPE)); \
else \
write_register_bytes(REGISTER_BYTE (0), VALBUF, TYPE_LENGTH (TYPE));
#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \
(SP) = mn10300_store_struct_return (STRUCT_ADDR, SP)
extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR));
#define SKIP_PROLOGUE(pc) pc = mn10300_skip_prologue (pc)
#define FRAME_ARGS_SKIP 0
#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
#define FRAME_NUM_ARGS(val, fi) ((val) = -1)
extern void mn10300_pop_frame PARAMS ((struct frame_info *));
#define POP_FRAME mn10300_pop_frame (get_current_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 ()
extern CORE_ADDR mn10300_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
#define PUSH_RETURN_ADDRESS(PC, SP) mn10300_push_return_address (PC, SP)
#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
extern CORE_ADDR
mn10300_push_arguments PARAMS ((int, struct value **, CORE_ADDR,
unsigned char, CORE_ADDR ));
#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
(SP) = mn10300_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 REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \
(TYPE_LENGTH (TYPE) > 8)
extern use_struct_convention_fn mn10300_use_struct_convention;
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) mn10300_use_struct_convention (GCC_P, TYPE)
/* override the default get_saved_register function with
one that takes account of generic CALL_DUMMY frames */
#define GET_SAVED_REGISTER
/* Cons up virtual frame pointer for trace */
extern void mn10300_virtual_frame_pointer PARAMS ((CORE_ADDR, long *, long *));
#define TARGET_VIRTUAL_FRAME_POINTER(PC, REGP, OFFP) \
mn10300_virtual_frame_pointer ((PC), (REGP), (OFFP))
/* Define this for Wingdb */
#define TARGET_MN10300
|
