Commit | Line | Data |
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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 | 35 | /* An implementation of return_value that props up architectures still |
82d1552e UW |
36 | using USE_STRUCT_RETURN, gdbarch_extract_return_value and |
37 | store_return_value. See also the hacks in "stack.c". */ | |
750eb019 AC |
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 | |
3339cf8b AC |
48 | /* The only possible cases for inner_than. */ |
49 | extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
50 | extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
51 | ||
e2d0e7eb | 52 | /* Identity functions on a CORE_ADDR. Just return the "addr". */ |
f517ea4e | 53 | |
875e1767 | 54 | extern CORE_ADDR core_addr_identity (CORE_ADDR addr); |
e2d0e7eb | 55 | extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity; |
f517ea4e | 56 | |
88c72b7d AC |
57 | /* No-op conversion of reg to regnum. */ |
58 | ||
59 | extern int no_op_reg_to_regnum (int reg); | |
60 | ||
a2cf933a EZ |
61 | /* Do nothing version of elf_make_msymbol_special. */ |
62 | ||
63 | void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); | |
64 | ||
65 | /* Do nothing version of coff_make_msymbol_special. */ | |
66 | ||
67 | void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); | |
68 | ||
01fb7433 AC |
69 | /* Version of cannot_fetch_register() / cannot_store_register() that |
70 | always fails. */ | |
71 | ||
72 | int cannot_register_not (int regnum); | |
73 | ||
39d4ef09 | 74 | /* Legacy version of target_virtual_frame_pointer(). Assumes that |
064f5156 | 75 | there is an gdbarch_deprecated_fp_regnum and that it is the same, cooked or |
0ba6dca9 | 76 | raw. */ |
39d4ef09 AC |
77 | |
78 | extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; | |
79 | ||
52f729a7 UW |
80 | extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame, |
81 | CORE_ADDR pc); | |
bdcd319a | 82 | |
4c8c40e6 MK |
83 | extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch, |
84 | CORE_ADDR pc); | |
dea0c52f | 85 | |
d50355b6 MS |
86 | extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name); |
87 | ||
c12260ac CV |
88 | extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); |
89 | ||
a1f4a1b6 AC |
90 | /* By default, registers are not convertible. */ |
91 | extern int generic_convert_register_p (int regnum, struct type *type); | |
13d01224 | 92 | |
192cb3d4 MK |
93 | extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, |
94 | struct type *type); | |
95 | ||
3ca64954 RC |
96 | extern int generic_instruction_nullified (struct gdbarch *gdbarch, |
97 | struct regcache *regcache); | |
98 | ||
123dc839 DJ |
99 | int default_remote_register_number (struct gdbarch *gdbarch, |
100 | int regno); | |
101 | ||
4182591f AC |
102 | /* For compatibility with older architectures, returns |
103 | (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid | |
104 | name. */ | |
105 | ||
106 | extern int legacy_register_sim_regno (int regnum); | |
107 | ||
b6d373df DJ |
108 | /* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte |
109 | order was explicitly selected. */ | |
110 | extern enum bfd_endian selected_byte_order (void); | |
111 | ||
a8cf2722 AC |
112 | /* Return the selected architecture's name, or NULL if no architecture |
113 | was explicitly selected. */ | |
114 | extern const char *selected_architecture_name (void); | |
115 | ||
fb6ecb0f | 116 | /* Initialize a ``struct info''. Can't use memset(0) since some |
a8cf2722 AC |
117 | default values are not zero. "fill" takes all available |
118 | information and fills in any unspecified fields. */ | |
119 | ||
fb6ecb0f AC |
120 | extern void gdbarch_info_init (struct gdbarch_info *info); |
121 | ||
100bcc3f | 122 | /* Similar to init, but this time fill in the blanks. Information is |
7a107747 DJ |
123 | obtained from the global "set ..." options and explicitly |
124 | initialized INFO fields. */ | |
125 | extern void gdbarch_info_fill (struct gdbarch_info *info); | |
bf922ad9 | 126 | |
2b026650 MK |
127 | /* Return the architecture for ABFD. If no suitable architecture |
128 | could be find, return NULL. */ | |
129 | ||
130 | extern struct gdbarch *gdbarch_from_bfd (bfd *abfd); | |
131 | ||
c0e8c252 | 132 | #endif |