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
|
/* Dynamic architecture support for GDB, the GNU debugger.
Copyright 1998, 1999, 2000, 2002 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. */
#ifndef GDBARCH_UTILS_H
#define GDBARCH_UTILS_H
struct gdbarch;
struct frame_info;
struct minimal_symbol;
struct type;
struct gdbarch_info;
/* gdbarch trace variable */
extern int gdbarch_debug;
/* Fallback for register convertible. */
extern gdbarch_register_convertible_ftype generic_register_convertible_not;
extern CORE_ADDR generic_cannot_extract_struct_value_address (char *dummy);
/* Helper function for targets that don't know how my arguments are
being passed */
extern gdbarch_frame_num_args_ftype frame_num_args_unknown;
/* Implementation of breakpoint from PC using any of the deprecated
macros BREAKPOINT, LITTLE_BREAKPOINT, BIG_BREAPOINT. For legacy
targets that don't yet implement their own breakpoint_from_pc(). */
extern gdbarch_breakpoint_from_pc_ftype legacy_breakpoint_from_pc;
/* Implementation of extract return value that grubs around in the
register cache. */
extern gdbarch_extract_return_value_ftype legacy_extract_return_value;
/* Implementation of store return value that grubs the register cache. */
extern gdbarch_store_return_value_ftype legacy_store_return_value;
/* Frameless functions not identifable. */
extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not;
/* Only structures, unions, and arrays are returned using the struct
convention. Note that arrays are never passed by value in the C
language family, so that case is irrelevant for C. */
extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not;
/* Map onto old REGISTER_NAMES. */
extern const char *legacy_register_name (int i);
/* Accessor for old global function pointer for disassembly. */
extern int legacy_print_insn (bfd_vma vma, disassemble_info *info);
/* Backward compatible call_dummy_words. */
extern LONGEST legacy_call_dummy_words[];
extern int legacy_sizeof_call_dummy_words;
/* Typical remote_translate_xfer_address */
extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address;
/* Generic implementation of prologue_frameless_p. Just calls
SKIP_PROLOG and checks the return value to see if it actually
changed. */
extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p;
/* The only possible cases for inner_than. */
extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
/* Floating point values. */
extern const struct floatformat *default_float_format (struct gdbarch *gdbarch);
extern const struct floatformat *default_double_format (struct gdbarch *gdbarch);
/* Helper function for targets that don't know how my arguments are
being passed */
extern int frame_num_args_unknown (struct frame_info *fi);
/* The following DEPRECATED interfaces are for pre- multi-arch legacy
targets. */
/* DEPRECATED pre- multi-arch interface. Explicitly set the dynamic
target-system-dependent parameters based on bfd_architecture and
machine. This function is deprecated, use
set_gdbarch_from_arch_machine(). */
extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long);
/* DEPRECATED pre- multi-arch interface. Notify the target dependent
backend of a change to the selected architecture. A zero return
status indicates that the target did not like the change. */
extern int (*target_architecture_hook) (const struct bfd_arch_info *);
/* Identity function on a CORE_ADDR. Just returns its parameter. */
extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
/* No-op conversion of reg to regnum. */
extern int no_op_reg_to_regnum (int reg);
/* Default prepare_to_procced. */
extern int default_prepare_to_proceed (int select_it);
extern int generic_prepare_to_proceed (int select_it);
/* Versions of init_frame_pc(). Do nothing; do the default. */
extern CORE_ADDR init_frame_pc_noop (int fromleaf, struct frame_info *prev);
extern CORE_ADDR init_frame_pc_default (int fromleaf, struct frame_info *prev);
/* Do nothing version of elf_make_msymbol_special. */
void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym);
/* Do nothing version of coff_make_msymbol_special. */
void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
/* Version of cannot_fetch_register() / cannot_store_register() that
always fails. */
int cannot_register_not (int regnum);
/* Legacy version of target_virtual_frame_pointer(). Assumes that
there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or
raw. */
extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc);
extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name);
extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
/* Assume that the world is sane, a registers raw and virtual size
both match its type. */
extern int generic_register_size (int regnum);
/* Assume that the world is sane, the registers are all adjacent. */
extern int generic_register_byte (int regnum);
/* Prop up old targets that use various IN_SIGTRAMP() macros. */
extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name);
/* The orginal register_convert*() functions were overloaded. They
were used to both: convert between virtual and raw register formats
(something that is discouraged); and to convert a register to the
type of a corresponding variable. These legacy functions preserve
that overloaded behavour in existing targets. */
extern int legacy_convert_register_p (int regnum);
extern void legacy_register_to_value (int regnum, struct type *type, char *from, char *to);
extern void legacy_value_to_register (struct type *type, int regnum, char *from, char *to);
/* For compatibility with older architectures, returns
(LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
name. */
extern int legacy_register_sim_regno (int regnum);
/* Initialize a ``struct info''. Can't use memset(0) since some
default values are not zero. */
extern void gdbarch_info_init (struct gdbarch_info *info);
#endif
|
