Commit | Line | Data |
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c0e8c252 | 1 | /* Dynamic architecture support for GDB, the GNU debugger. |
d7bd68ca | 2 | |
e2d0e7eb AC |
3 | Copyright 1998, 1999, 2000, 2002, 2003 Free Software Foundation, |
4 | Inc. | |
c0e8c252 AC |
5 | |
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, | |
21 | Boston, MA 02111-1307, USA. */ | |
22 | ||
23 | #ifndef GDBARCH_UTILS_H | |
24 | #define GDBARCH_UTILS_H | |
25 | ||
da3331ec AC |
26 | struct gdbarch; |
27 | struct frame_info; | |
28 | struct minimal_symbol; | |
29 | struct type; | |
30 | struct gdbarch_info; | |
31 | ||
c0e8c252 AC |
32 | /* gdbarch trace variable */ |
33 | extern int gdbarch_debug; | |
34 | ||
049ee0e4 AC |
35 | /* Implementation of extract return value that grubs around in the |
36 | register cache. */ | |
37 | extern gdbarch_extract_return_value_ftype legacy_extract_return_value; | |
38 | ||
ebba8386 AC |
39 | /* Implementation of store return value that grubs the register cache. */ |
40 | extern gdbarch_store_return_value_ftype legacy_store_return_value; | |
41 | ||
1fd35568 JB |
42 | /* To return any structure or union type by value, store it at the |
43 | address passed as an invisible first argument to the function. */ | |
44 | extern gdbarch_use_struct_convention_ftype always_use_struct_convention; | |
45 | ||
c0e8c252 AC |
46 | /* Typical remote_translate_xfer_address */ |
47 | extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address; | |
48 | ||
3339cf8b AC |
49 | /* The only possible cases for inner_than. */ |
50 | extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
51 | extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
52 | ||
f0d4cc9e AC |
53 | /* Floating point values. */ |
54 | extern const struct floatformat *default_float_format (struct gdbarch *gdbarch); | |
55 | extern const struct floatformat *default_double_format (struct gdbarch *gdbarch); | |
56 | ||
e2d0e7eb | 57 | /* Identity functions on a CORE_ADDR. Just return the "addr". */ |
f517ea4e | 58 | |
875e1767 | 59 | extern CORE_ADDR core_addr_identity (CORE_ADDR addr); |
e2d0e7eb | 60 | extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity; |
f517ea4e | 61 | |
88c72b7d AC |
62 | /* No-op conversion of reg to regnum. */ |
63 | ||
64 | extern int no_op_reg_to_regnum (int reg); | |
65 | ||
7824d2f2 | 66 | /* Versions of init_frame_pc(). Do nothing; do the default. */ |
10312cc4 | 67 | |
0968aa8c | 68 | extern CORE_ADDR deprecated_init_frame_pc_default (int fromleaf, struct frame_info *prev); |
7824d2f2 | 69 | |
a2cf933a EZ |
70 | /* Do nothing version of elf_make_msymbol_special. */ |
71 | ||
72 | void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); | |
73 | ||
74 | /* Do nothing version of coff_make_msymbol_special. */ | |
75 | ||
76 | void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); | |
77 | ||
01fb7433 AC |
78 | /* Version of cannot_fetch_register() / cannot_store_register() that |
79 | always fails. */ | |
80 | ||
81 | int cannot_register_not (int regnum); | |
82 | ||
39d4ef09 | 83 | /* Legacy version of target_virtual_frame_pointer(). Assumes that |
0ba6dca9 AC |
84 | there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or |
85 | raw. */ | |
39d4ef09 AC |
86 | |
87 | extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; | |
88 | ||
bdcd319a CV |
89 | extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc); |
90 | ||
4c8c40e6 MK |
91 | extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch, |
92 | CORE_ADDR pc); | |
dea0c52f | 93 | |
68e9cc94 CV |
94 | extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name); |
95 | ||
d50355b6 MS |
96 | extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name); |
97 | ||
c12260ac CV |
98 | extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); |
99 | ||
b2e75d78 AC |
100 | /* Assume that the world is sane, a registers raw and virtual size |
101 | both match its type. */ | |
46cd78fb | 102 | |
b2e75d78 | 103 | extern int generic_register_size (int regnum); |
ce29138a | 104 | |
a7e3c2ad AC |
105 | /* Assume that the world is sane, the registers are all adjacent. */ |
106 | extern int generic_register_byte (int regnum); | |
107 | ||
dbfe4626 | 108 | /* Prop up old targets that use various sigtramp macros. */ |
d7bd68ca AC |
109 | extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name); |
110 | ||
a1f4a1b6 AC |
111 | /* By default, registers are not convertible. */ |
112 | extern int generic_convert_register_p (int regnum, struct type *type); | |
13d01224 | 113 | |
192cb3d4 MK |
114 | extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, |
115 | struct type *type); | |
116 | ||
4182591f AC |
117 | /* For compatibility with older architectures, returns |
118 | (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid | |
119 | name. */ | |
120 | ||
121 | extern int legacy_register_sim_regno (int regnum); | |
122 | ||
a8cf2722 AC |
123 | /* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte |
124 | order was explicitly selected. */ | |
125 | extern enum bfd_endian selected_byte_order (void); | |
126 | ||
127 | /* Return the selected architecture's name, or NULL if no architecture | |
128 | was explicitly selected. */ | |
129 | extern const char *selected_architecture_name (void); | |
130 | ||
fb6ecb0f | 131 | /* Initialize a ``struct info''. Can't use memset(0) since some |
a8cf2722 AC |
132 | default values are not zero. "fill" takes all available |
133 | information and fills in any unspecified fields. */ | |
134 | ||
fb6ecb0f | 135 | extern void gdbarch_info_init (struct gdbarch_info *info); |
a8cf2722 AC |
136 | extern void gdbarch_info_fill (struct gdbarch *gdbarch, |
137 | struct gdbarch_info *info); | |
fb6ecb0f | 138 | |
100bcc3f | 139 | /* Similar to init, but this time fill in the blanks. Information is |
bf922ad9 AC |
140 | obtained from the specified architecture, global "set ..." options, |
141 | and explicitly initialized INFO fields. */ | |
142 | extern void gdbarch_info_fill (struct gdbarch *gdbarch, | |
143 | struct gdbarch_info *info); | |
144 | ||
2b026650 MK |
145 | /* Return the architecture for ABFD. If no suitable architecture |
146 | could be find, return NULL. */ | |
147 | ||
148 | extern struct gdbarch *gdbarch_from_bfd (bfd *abfd); | |
149 | ||
c0e8c252 | 150 | #endif |