Commit | Line | Data |
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c0e8c252 | 1 | /* Dynamic architecture support for GDB, the GNU debugger. |
b6ba6518 | 2 | Copyright 1998, 1999, 2000 Free Software Foundation, Inc. |
c0e8c252 AC |
3 | |
4 | This file is part of GDB. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #ifndef GDBARCH_UTILS_H | |
22 | #define GDBARCH_UTILS_H | |
23 | ||
24 | /* gdbarch trace variable */ | |
25 | extern int gdbarch_debug; | |
26 | ||
27 | /* Fallback for register convertible. */ | |
28 | extern gdbarch_register_convertible_ftype generic_register_convertible_not; | |
29 | ||
30 | /* Helper function for targets that don't know how my arguments are | |
31 | being passed */ | |
32 | extern gdbarch_frame_num_args_ftype frame_num_args_unknown; | |
33 | ||
34 | /* Implementation of breakpoint from PC using any of the deprecated | |
35 | macros BREAKPOINT, LITTLE_BREAKPOINT, BIG_BREAPOINT. For legacy | |
36 | targets that don't yet implement their own breakpoint_from_pc(). */ | |
37 | extern gdbarch_breakpoint_from_pc_ftype legacy_breakpoint_from_pc; | |
38 | ||
39 | /* Frameless functions not identifable. */ | |
40 | extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not; | |
41 | ||
71a9f22e JB |
42 | /* Only structures, unions, and arrays are returned using the struct |
43 | convention. Note that arrays are never passed by value in the C | |
44 | language family, so that case is irrelevant for C. */ | |
45 | extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not; | |
46 | ||
c0e8c252 AC |
47 | /* Map onto old REGISTER_NAMES. */ |
48 | extern char *legacy_register_name (int i); | |
49 | ||
2bf0cb65 EZ |
50 | /* Accessor for old global function pointer for disassembly. */ |
51 | extern int legacy_print_insn (bfd_vma vma, disassemble_info *info); | |
52 | ||
c0e8c252 AC |
53 | /* Backward compatible call_dummy_words. */ |
54 | extern LONGEST legacy_call_dummy_words[]; | |
55 | extern int legacy_sizeof_call_dummy_words; | |
56 | ||
57 | /* Typical remote_translate_xfer_address */ | |
58 | extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address; | |
59 | ||
dad41f9a AC |
60 | /* Generic implementation of prologue_frameless_p. Just calls |
61 | SKIP_PROLOG and checks the return value to see if it actually | |
62 | changed. */ | |
63 | extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p; | |
64 | ||
3339cf8b AC |
65 | /* The only possible cases for inner_than. */ |
66 | extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
67 | extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
68 | ||
f0d4cc9e AC |
69 | /* Floating point values. */ |
70 | extern const struct floatformat *default_float_format (struct gdbarch *gdbarch); | |
71 | extern const struct floatformat *default_double_format (struct gdbarch *gdbarch); | |
72 | ||
193e3b1a AC |
73 | /* Helper function for targets that don't know how my arguments are |
74 | being passed */ | |
75 | extern int frame_num_args_unknown (struct frame_info *fi); | |
76 | ||
77 | ||
b4a20239 AC |
78 | /* The following DEPRECATED interfaces are for pre- multi-arch legacy |
79 | targets. */ | |
80 | ||
81 | /* DEPRECATED pre- multi-arch interface. Explicitly set the dynamic | |
b7d6b182 | 82 | target-system-dependent parameters based on bfd_architecture and |
b4a20239 AC |
83 | machine. This function is deprecated, use |
84 | set_gdbarch_from_arch_machine(). */ | |
85 | ||
86 | extern void set_architecture_from_arch_mach (enum bfd_architecture, unsigned long); | |
87 | ||
b7d6b182 | 88 | /* DEPRECATED pre- multi-arch interface. Notify the target dependent |
b4a20239 AC |
89 | backend of a change to the selected architecture. A zero return |
90 | status indicates that the target did not like the change. */ | |
91 | ||
92 | extern int (*target_architecture_hook) (const struct bfd_arch_info *); | |
93 | ||
7c7651b2 AC |
94 | |
95 | /* Default raw->sim register re-numbering - does nothing. */ | |
96 | ||
97 | extern int default_register_sim_regno (int reg_nr); | |
98 | ||
875e1767 | 99 | /* Identity function on a CORE_ADDR. Just returns its parameter. */ |
f517ea4e | 100 | |
875e1767 | 101 | extern CORE_ADDR core_addr_identity (CORE_ADDR addr); |
f517ea4e | 102 | |
88c72b7d AC |
103 | /* No-op conversion of reg to regnum. */ |
104 | ||
105 | extern int no_op_reg_to_regnum (int reg); | |
106 | ||
c347ee3e MS |
107 | /* Default frame_args_address and frame_locals_address. */ |
108 | ||
109 | extern CORE_ADDR default_frame_address (struct frame_info *); | |
110 | ||
e02bc4cc DS |
111 | /* Default prepare_to_procced. */ |
112 | ||
113 | extern int default_prepare_to_proceed (int select_it); | |
114 | ||
115 | extern int generic_prepare_to_proceed (int select_it); | |
c347ee3e | 116 | |
7824d2f2 | 117 | /* Versions of init_frame_pc(). Do nothing; do the default. */ |
10312cc4 AC |
118 | |
119 | void init_frame_pc_noop (int fromleaf, struct frame_info *prev); | |
120 | ||
7824d2f2 AC |
121 | void init_frame_pc_default (int fromleaf, struct frame_info *prev); |
122 | ||
01fb7433 AC |
123 | /* Version of cannot_fetch_register() / cannot_store_register() that |
124 | always fails. */ | |
125 | ||
126 | int cannot_register_not (int regnum); | |
127 | ||
39d4ef09 AC |
128 | /* Legacy version of target_virtual_frame_pointer(). Assumes that |
129 | there is an FP_REGNUM and that it is the same, cooked or raw. */ | |
130 | ||
131 | extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; | |
132 | ||
bdcd319a CV |
133 | extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc); |
134 | ||
68e9cc94 CV |
135 | extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name); |
136 | ||
c0e8c252 | 137 | #endif |