Commit | Line | Data |
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c0e8c252 | 1 | /* Dynamic architecture support for GDB, the GNU debugger. |
d7bd68ca AC |
2 | |
3 | Copyright 1998, 1999, 2000, 2002 Free Software Foundation, Inc. | |
c0e8c252 AC |
4 | |
5 | This file is part of GDB. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #ifndef GDBARCH_UTILS_H | |
23 | #define GDBARCH_UTILS_H | |
24 | ||
da3331ec AC |
25 | struct gdbarch; |
26 | struct frame_info; | |
27 | struct minimal_symbol; | |
28 | struct type; | |
29 | struct gdbarch_info; | |
30 | ||
c0e8c252 AC |
31 | /* gdbarch trace variable */ |
32 | extern int gdbarch_debug; | |
33 | ||
34 | /* Fallback for register convertible. */ | |
781a750d | 35 | extern gdbarch_deprecated_register_convertible_ftype deprecated_register_convertible_not; |
c0e8c252 | 36 | |
c8f9d51c JB |
37 | extern CORE_ADDR generic_cannot_extract_struct_value_address (char *dummy); |
38 | ||
049ee0e4 AC |
39 | /* Implementation of extract return value that grubs around in the |
40 | register cache. */ | |
41 | extern gdbarch_extract_return_value_ftype legacy_extract_return_value; | |
42 | ||
ebba8386 AC |
43 | /* Implementation of store return value that grubs the register cache. */ |
44 | extern gdbarch_store_return_value_ftype legacy_store_return_value; | |
45 | ||
1fd35568 JB |
46 | /* To return any structure or union type by value, store it at the |
47 | address passed as an invisible first argument to the function. */ | |
48 | extern gdbarch_use_struct_convention_ftype always_use_struct_convention; | |
49 | ||
c0e8c252 AC |
50 | /* Frameless functions not identifable. */ |
51 | extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not; | |
52 | ||
71a9f22e JB |
53 | /* Only structures, unions, and arrays are returned using the struct |
54 | convention. Note that arrays are never passed by value in the C | |
55 | language family, so that case is irrelevant for C. */ | |
56 | extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not; | |
57 | ||
2bf0cb65 EZ |
58 | /* Accessor for old global function pointer for disassembly. */ |
59 | extern int legacy_print_insn (bfd_vma vma, disassemble_info *info); | |
60 | ||
c0e8c252 AC |
61 | /* Backward compatible call_dummy_words. */ |
62 | extern LONGEST legacy_call_dummy_words[]; | |
63 | extern int legacy_sizeof_call_dummy_words; | |
64 | ||
65 | /* Typical remote_translate_xfer_address */ | |
66 | extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address; | |
67 | ||
dad41f9a AC |
68 | /* Generic implementation of prologue_frameless_p. Just calls |
69 | SKIP_PROLOG and checks the return value to see if it actually | |
70 | changed. */ | |
71 | extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p; | |
72 | ||
3339cf8b AC |
73 | /* The only possible cases for inner_than. */ |
74 | extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
75 | extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
76 | ||
f0d4cc9e AC |
77 | /* Floating point values. */ |
78 | extern const struct floatformat *default_float_format (struct gdbarch *gdbarch); | |
79 | extern const struct floatformat *default_double_format (struct gdbarch *gdbarch); | |
80 | ||
b4a20239 AC |
81 | /* The following DEPRECATED interfaces are for pre- multi-arch legacy |
82 | targets. */ | |
83 | ||
84 | /* DEPRECATED pre- multi-arch interface. Explicitly set the dynamic | |
b7d6b182 | 85 | target-system-dependent parameters based on bfd_architecture and |
b4a20239 AC |
86 | machine. This function is deprecated, use |
87 | set_gdbarch_from_arch_machine(). */ | |
88 | ||
89 | extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); | |
90 | ||
b7d6b182 | 91 | /* DEPRECATED pre- multi-arch interface. Notify the target dependent |
b4a20239 AC |
92 | backend of a change to the selected architecture. A zero return |
93 | status indicates that the target did not like the change. */ | |
94 | ||
95 | extern int (*target_architecture_hook) (const struct bfd_arch_info *); | |
96 | ||
875e1767 | 97 | /* Identity function on a CORE_ADDR. Just returns its parameter. */ |
f517ea4e | 98 | |
875e1767 | 99 | extern CORE_ADDR core_addr_identity (CORE_ADDR addr); |
f517ea4e | 100 | |
88c72b7d AC |
101 | /* No-op conversion of reg to regnum. */ |
102 | ||
103 | extern int no_op_reg_to_regnum (int reg); | |
104 | ||
7824d2f2 | 105 | /* Versions of init_frame_pc(). Do nothing; do the default. */ |
10312cc4 | 106 | |
97f46953 | 107 | extern CORE_ADDR init_frame_pc_noop (int fromleaf, struct frame_info *prev); |
10312cc4 | 108 | |
97f46953 | 109 | extern CORE_ADDR init_frame_pc_default (int fromleaf, struct frame_info *prev); |
7824d2f2 | 110 | |
a2cf933a EZ |
111 | /* Do nothing version of elf_make_msymbol_special. */ |
112 | ||
113 | void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); | |
114 | ||
115 | /* Do nothing version of coff_make_msymbol_special. */ | |
116 | ||
117 | void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); | |
118 | ||
01fb7433 AC |
119 | /* Version of cannot_fetch_register() / cannot_store_register() that |
120 | always fails. */ | |
121 | ||
122 | int cannot_register_not (int regnum); | |
123 | ||
39d4ef09 | 124 | /* Legacy version of target_virtual_frame_pointer(). Assumes that |
0ba6dca9 AC |
125 | there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or |
126 | raw. */ | |
39d4ef09 AC |
127 | |
128 | extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; | |
129 | ||
bdcd319a CV |
130 | extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc); |
131 | ||
68e9cc94 CV |
132 | extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name); |
133 | ||
d50355b6 MS |
134 | extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name); |
135 | ||
c12260ac CV |
136 | extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); |
137 | ||
b2e75d78 AC |
138 | /* Assume that the world is sane, a registers raw and virtual size |
139 | both match its type. */ | |
46cd78fb | 140 | |
b2e75d78 | 141 | extern int generic_register_size (int regnum); |
ce29138a | 142 | |
a7e3c2ad AC |
143 | /* Assume that the world is sane, the registers are all adjacent. */ |
144 | extern int generic_register_byte (int regnum); | |
145 | ||
d7bd68ca AC |
146 | /* Prop up old targets that use various IN_SIGTRAMP() macros. */ |
147 | extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name); | |
148 | ||
13d01224 AC |
149 | /* The orginal register_convert*() functions were overloaded. They |
150 | were used to both: convert between virtual and raw register formats | |
151 | (something that is discouraged); and to convert a register to the | |
152 | type of a corresponding variable. These legacy functions preserve | |
153 | that overloaded behavour in existing targets. */ | |
ff2e87ac AC |
154 | extern int legacy_convert_register_p (int regnum, struct type *type); |
155 | extern void legacy_register_to_value (struct frame_info *frame, int regnum, | |
156 | struct type *type, void *to); | |
157 | extern void legacy_value_to_register (struct frame_info *frame, int regnum, | |
158 | struct type *type, const void *from); | |
13d01224 | 159 | |
4182591f AC |
160 | /* For compatibility with older architectures, returns |
161 | (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid | |
162 | name. */ | |
163 | ||
164 | extern int legacy_register_sim_regno (int regnum); | |
165 | ||
fb6ecb0f AC |
166 | /* Initialize a ``struct info''. Can't use memset(0) since some |
167 | default values are not zero. */ | |
168 | extern void gdbarch_info_init (struct gdbarch_info *info); | |
169 | ||
c0e8c252 | 170 | #endif |