Commit | Line | Data |
---|---|---|
c0e8c252 | 1 | /* Dynamic architecture support for GDB, the GNU debugger. |
d7bd68ca | 2 | |
6aba47ca DJ |
3 | Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007 |
4 | Free Software Foundation, 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 | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c0e8c252 AC |
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 | ||
750eb019 AC |
35 | /* An implementation of return_value that props up architectures still |
36 | using USE_STRUCT_RETURN, EXTRACT_RETURN_VALUE and | |
37 | STORE_RETURN_VALUE. See also the hacks in "stack.c". */ | |
38 | enum return_value_convention legacy_return_value (struct gdbarch *gdbarch, | |
39 | struct type *valtype, | |
40 | struct regcache *regcache, | |
b60c417a AC |
41 | gdb_byte *readbuf, |
42 | const gdb_byte *writebuf); | |
750eb019 | 43 | |
1fd35568 JB |
44 | /* To return any structure or union type by value, store it at the |
45 | address passed as an invisible first argument to the function. */ | |
b5622e8d | 46 | extern gdbarch_deprecated_use_struct_convention_ftype always_use_struct_convention; |
1fd35568 | 47 | |
c0e8c252 AC |
48 | /* Typical remote_translate_xfer_address */ |
49 | extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address; | |
50 | ||
3339cf8b AC |
51 | /* The only possible cases for inner_than. */ |
52 | extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
53 | extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
54 | ||
e2d0e7eb | 55 | /* Identity functions on a CORE_ADDR. Just return the "addr". */ |
f517ea4e | 56 | |
875e1767 | 57 | extern CORE_ADDR core_addr_identity (CORE_ADDR addr); |
e2d0e7eb | 58 | extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity; |
f517ea4e | 59 | |
88c72b7d AC |
60 | /* No-op conversion of reg to regnum. */ |
61 | ||
62 | extern int no_op_reg_to_regnum (int reg); | |
63 | ||
a2cf933a EZ |
64 | /* Do nothing version of elf_make_msymbol_special. */ |
65 | ||
66 | void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); | |
67 | ||
68 | /* Do nothing version of coff_make_msymbol_special. */ | |
69 | ||
70 | void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); | |
71 | ||
01fb7433 AC |
72 | /* Version of cannot_fetch_register() / cannot_store_register() that |
73 | always fails. */ | |
74 | ||
75 | int cannot_register_not (int regnum); | |
76 | ||
39d4ef09 | 77 | /* Legacy version of target_virtual_frame_pointer(). Assumes that |
0ba6dca9 AC |
78 | there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or |
79 | raw. */ | |
39d4ef09 AC |
80 | |
81 | extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; | |
82 | ||
bdcd319a CV |
83 | extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc); |
84 | ||
4c8c40e6 MK |
85 | extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch, |
86 | CORE_ADDR pc); | |
dea0c52f | 87 | |
d50355b6 MS |
88 | extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name); |
89 | ||
c12260ac CV |
90 | extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); |
91 | ||
b2e75d78 AC |
92 | /* Assume that the world is sane, a registers raw and virtual size |
93 | both match its type. */ | |
46cd78fb | 94 | |
b2e75d78 | 95 | extern int generic_register_size (int regnum); |
ce29138a | 96 | |
a7e3c2ad AC |
97 | /* Assume that the world is sane, the registers are all adjacent. */ |
98 | extern int generic_register_byte (int regnum); | |
99 | ||
dbfe4626 | 100 | /* Prop up old targets that use various sigtramp macros. */ |
d7bd68ca AC |
101 | extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name); |
102 | ||
a1f4a1b6 AC |
103 | /* By default, registers are not convertible. */ |
104 | extern int generic_convert_register_p (int regnum, struct type *type); | |
13d01224 | 105 | |
192cb3d4 MK |
106 | extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, |
107 | struct type *type); | |
108 | ||
3ca64954 RC |
109 | extern int generic_instruction_nullified (struct gdbarch *gdbarch, |
110 | struct regcache *regcache); | |
111 | ||
123dc839 DJ |
112 | int default_remote_register_number (struct gdbarch *gdbarch, |
113 | int regno); | |
114 | ||
4182591f AC |
115 | /* For compatibility with older architectures, returns |
116 | (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid | |
117 | name. */ | |
118 | ||
119 | extern int legacy_register_sim_regno (int regnum); | |
120 | ||
b6d373df DJ |
121 | /* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte |
122 | order was explicitly selected. */ | |
123 | extern enum bfd_endian selected_byte_order (void); | |
124 | ||
a8cf2722 AC |
125 | /* Return the selected architecture's name, or NULL if no architecture |
126 | was explicitly selected. */ | |
127 | extern const char *selected_architecture_name (void); | |
128 | ||
fb6ecb0f | 129 | /* Initialize a ``struct info''. Can't use memset(0) since some |
a8cf2722 AC |
130 | default values are not zero. "fill" takes all available |
131 | information and fills in any unspecified fields. */ | |
132 | ||
fb6ecb0f AC |
133 | extern void gdbarch_info_init (struct gdbarch_info *info); |
134 | ||
100bcc3f | 135 | /* Similar to init, but this time fill in the blanks. Information is |
7a107747 DJ |
136 | obtained from the global "set ..." options and explicitly |
137 | initialized INFO fields. */ | |
138 | extern void gdbarch_info_fill (struct gdbarch_info *info); | |
bf922ad9 | 139 | |
2b026650 MK |
140 | /* Return the architecture for ABFD. If no suitable architecture |
141 | could be find, return NULL. */ | |
142 | ||
143 | extern struct gdbarch *gdbarch_from_bfd (bfd *abfd); | |
144 | ||
c0e8c252 | 145 | #endif |