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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/* Dynamic architecture support for GDB, the GNU debugger.
Copyright 1998-1999, Free Software Foundation, Inc.
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. */
#include "defs.h"
#if GDB_MULTI_ARCH
#include "gdbcmd.h"
#include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
#else
/* Just include everything in sight so that the every old definition
of macro is visible. */
#include "gdb_string.h"
#include <ctype.h>
#include "symtab.h"
#include "frame.h"
#include "inferior.h"
#include "breakpoint.h"
#include "gdb_wait.h"
#include "gdbcore.h"
#include "gdbcmd.h"
#include "target.h"
#include "gdbthread.h"
#include "annotate.h"
#include "symfile.h" /* for overlay functions */
#endif
#include "floatformat.h"
/* Convenience macro for allocting typesafe memory. */
#ifndef XMALLOC
#define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
#endif
/* Use the program counter to determine the contents and size
of a breakpoint instruction. If no target-dependent macro
BREAKPOINT_FROM_PC has been defined to implement this function,
assume that the breakpoint doesn't depend on the PC, and
use the values of the BIG_BREAKPOINT and LITTLE_BREAKPOINT macros.
Return a pointer to a string of bytes that encode a breakpoint
instruction, stores the length of the string to *lenptr,
and optionally adjust the pc to point to the correct memory location
for inserting the breakpoint. */
unsigned char *
legacy_breakpoint_from_pc (CORE_ADDR * pcptr, int *lenptr)
{
/* {BIG_,LITTLE_}BREAKPOINT is the sequence of bytes we insert for a
breakpoint. On some machines, breakpoints are handled by the
target environment and we don't have to worry about them here. */
#ifdef BIG_BREAKPOINT
if (TARGET_BYTE_ORDER == BIG_ENDIAN)
{
static unsigned char big_break_insn[] = BIG_BREAKPOINT;
*lenptr = sizeof (big_break_insn);
return big_break_insn;
}
#endif
#ifdef LITTLE_BREAKPOINT
if (TARGET_BYTE_ORDER != BIG_ENDIAN)
{
static unsigned char little_break_insn[] = LITTLE_BREAKPOINT;
*lenptr = sizeof (little_break_insn);
return little_break_insn;
}
#endif
#ifdef BREAKPOINT
{
static unsigned char break_insn[] = BREAKPOINT;
*lenptr = sizeof (break_insn);
return break_insn;
}
#endif
*lenptr = 0;
return NULL;
}
int
generic_frameless_function_invocation_not (struct frame_info *fi)
{
return 0;
}
int
generic_return_value_on_stack_not (struct type *type)
{
return 0;
}
char *
legacy_register_name (int i)
{
#ifdef REGISTER_NAMES
static char *names[] = REGISTER_NAMES;
if (i < 0 || i >= (sizeof (names) / sizeof (*names)))
return NULL;
else
return names[i];
#else
internal_error ("legacy_register_name: called.");
return NULL;
#endif
}
#if defined (CALL_DUMMY)
LONGEST legacy_call_dummy_words[] = CALL_DUMMY;
#else
LONGEST legacy_call_dummy_words[1];
#endif
int legacy_sizeof_call_dummy_words = sizeof (legacy_call_dummy_words);
void
generic_remote_translate_xfer_address (CORE_ADDR gdb_addr, int gdb_len,
CORE_ADDR * rem_addr, int *rem_len)
{
*rem_addr = gdb_addr;
*rem_len = gdb_len;
}
int
generic_prologue_frameless_p (CORE_ADDR ip)
{
#ifdef SKIP_PROLOGUE_FRAMELESS_P
return ip == SKIP_PROLOGUE_FRAMELESS_P (ip);
#else
return ip == SKIP_PROLOGUE (ip);
#endif
}
/* Helper functions for INNER_THAN */
int
core_addr_lessthan (lhs, rhs)
CORE_ADDR lhs;
CORE_ADDR rhs;
{
return (lhs < rhs);
}
int
core_addr_greaterthan (lhs, rhs)
CORE_ADDR lhs;
CORE_ADDR rhs;
{
return (lhs > rhs);
}
/* Helper functions for TARGET_{FLOAT,DOUBLE}_FORMAT */
const struct floatformat *
default_float_format (struct gdbarch *gdbarch)
{
#if GDB_MULTI_ARCH
int byte_order = gdbarch_byte_order (gdbarch);
#else
int byte_order = TARGET_BYTE_ORDER;
#endif
switch (byte_order)
{
case BIG_ENDIAN:
return &floatformat_ieee_single_big;
case LITTLE_ENDIAN:
return &floatformat_ieee_single_little;
default:
internal_error ("default_float_format: bad byte order");
}
}
const struct floatformat *
default_double_format (struct gdbarch *gdbarch)
{
#if GDB_MULTI_ARCH
int byte_order = gdbarch_byte_order (gdbarch);
#else
int byte_order = TARGET_BYTE_ORDER;
#endif
switch (byte_order)
{
case BIG_ENDIAN:
return &floatformat_ieee_double_big;
case LITTLE_ENDIAN:
return &floatformat_ieee_double_little;
default:
internal_error ("default_double_format: bad byte order");
}
}
/* */
extern initialize_file_ftype __initialize_gdbarch_utils;
void
__initialize_gdbarch_utils (void)
{
}
|
