Commit | Line | Data |
---|---|---|
c0e8c252 | 1 | /* Dynamic architecture support for GDB, the GNU debugger. |
d7bd68ca | 2 | |
0fb0cc75 | 3 | Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008, 2009 |
6aba47ca | 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 | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
c0e8c252 AC |
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 | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c0e8c252 AC |
20 | |
21 | #ifndef GDBARCH_UTILS_H | |
22 | #define GDBARCH_UTILS_H | |
23 | ||
da3331ec AC |
24 | struct gdbarch; |
25 | struct frame_info; | |
26 | struct minimal_symbol; | |
27 | struct type; | |
28 | struct gdbarch_info; | |
29 | ||
c0e8c252 AC |
30 | /* gdbarch trace variable */ |
31 | extern int gdbarch_debug; | |
32 | ||
237fc4c9 PA |
33 | /* An implementation of gdbarch_displaced_step_copy_insn for |
34 | processors that don't need to modify the instruction before | |
35 | single-stepping the displaced copy. | |
36 | ||
37 | Simply copy gdbarch_max_insn_length (ARCH) bytes from FROM to TO. | |
38 | The closure is an array of that many bytes containing the | |
39 | instruction's bytes, allocated with xmalloc. */ | |
40 | extern struct displaced_step_closure * | |
41 | simple_displaced_step_copy_insn (struct gdbarch *gdbarch, | |
42 | CORE_ADDR from, CORE_ADDR to, | |
43 | struct regcache *regs); | |
44 | ||
45 | /* Simple implementation of gdbarch_displaced_step_free_closure: Call | |
46 | xfree. | |
47 | This is appropriate for use with simple_displaced_step_copy_insn. */ | |
48 | extern void | |
49 | simple_displaced_step_free_closure (struct gdbarch *gdbarch, | |
50 | struct displaced_step_closure *closure); | |
51 | ||
52 | /* Possible value for gdbarch_displaced_step_location: | |
53 | Place displaced instructions at the program's entry point, | |
54 | leaving space for inferior function call return breakpoints. */ | |
55 | extern CORE_ADDR displaced_step_at_entry_point (struct gdbarch *gdbarch); | |
56 | ||
3339cf8b AC |
57 | /* The only possible cases for inner_than. */ |
58 | extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
59 | extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs); | |
60 | ||
e2d0e7eb | 61 | /* Identity functions on a CORE_ADDR. Just return the "addr". */ |
f517ea4e | 62 | |
24568a2c | 63 | extern CORE_ADDR core_addr_identity (struct gdbarch *gdbarch, CORE_ADDR addr); |
e2d0e7eb | 64 | extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity; |
f517ea4e | 65 | |
88c72b7d AC |
66 | /* No-op conversion of reg to regnum. */ |
67 | ||
d3f73121 | 68 | extern int no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg); |
88c72b7d | 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 | ||
64a3914f | 81 | int cannot_register_not (struct gdbarch *gdbarch, int regnum); |
01fb7433 | 82 | |
39d4ef09 | 83 | /* Legacy version of target_virtual_frame_pointer(). Assumes that |
064f5156 | 84 | there is an gdbarch_deprecated_fp_regnum and that it is the same, cooked or |
0ba6dca9 | 85 | raw. */ |
39d4ef09 AC |
86 | |
87 | extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer; | |
88 | ||
52f729a7 UW |
89 | extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame, |
90 | CORE_ADDR pc); | |
bdcd319a | 91 | |
4c8c40e6 MK |
92 | extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch, |
93 | CORE_ADDR pc); | |
dea0c52f | 94 | |
d50355b6 MS |
95 | extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name); |
96 | ||
c12260ac CV |
97 | extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); |
98 | ||
a1f4a1b6 | 99 | /* By default, registers are not convertible. */ |
76a8ddb9 UW |
100 | extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum, |
101 | struct type *type); | |
13d01224 | 102 | |
192cb3d4 MK |
103 | extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch, |
104 | struct type *type); | |
105 | ||
3ca64954 RC |
106 | extern int generic_instruction_nullified (struct gdbarch *gdbarch, |
107 | struct regcache *regcache); | |
108 | ||
123dc839 DJ |
109 | int default_remote_register_number (struct gdbarch *gdbarch, |
110 | int regno); | |
111 | ||
4182591f AC |
112 | /* For compatibility with older architectures, returns |
113 | (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid | |
114 | name. */ | |
115 | ||
e7faf938 | 116 | extern int legacy_register_sim_regno (struct gdbarch *gdbarch, int regnum); |
4182591f | 117 | |
b6d373df DJ |
118 | /* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte |
119 | order was explicitly selected. */ | |
120 | extern enum bfd_endian selected_byte_order (void); | |
121 | ||
a8cf2722 AC |
122 | /* Return the selected architecture's name, or NULL if no architecture |
123 | was explicitly selected. */ | |
124 | extern const char *selected_architecture_name (void); | |
125 | ||
fb6ecb0f | 126 | /* Initialize a ``struct info''. Can't use memset(0) since some |
a8cf2722 AC |
127 | default values are not zero. "fill" takes all available |
128 | information and fills in any unspecified fields. */ | |
129 | ||
fb6ecb0f AC |
130 | extern void gdbarch_info_init (struct gdbarch_info *info); |
131 | ||
100bcc3f | 132 | /* Similar to init, but this time fill in the blanks. Information is |
7a107747 DJ |
133 | obtained from the global "set ..." options and explicitly |
134 | initialized INFO fields. */ | |
135 | extern void gdbarch_info_fill (struct gdbarch_info *info); | |
bf922ad9 | 136 | |
2b026650 MK |
137 | /* Return the architecture for ABFD. If no suitable architecture |
138 | could be find, return NULL. */ | |
139 | ||
140 | extern struct gdbarch *gdbarch_from_bfd (bfd *abfd); | |
141 | ||
c0e8c252 | 142 | #endif |