1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/* libunwind - a platform-independent unwind library
Copyright (C) 2008 CodeSourcery
Copyright (C) 2014 Tilera Corp.
This file is part of libunwind.
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#ifndef LIBUNWIND_H
#define LIBUNWIND_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <inttypes.h>
#include <ucontext.h>
#define UNW_TARGET tilegx
#define UNW_TARGET_TILEGX 1
#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
/* This needs to be big enough to accommodate "struct cursor", while
leaving some slack for future expansion. Changing this value will
require recompiling all users of this library. Stack allocation is
relatively cheap and unwind-state copying is relatively rare, so we
want to err on making it rather too big than too small. */
#define UNW_TDEP_CURSOR_LEN 4096
/* The size of a "word" varies on TILEGX. This type is used for memory
addresses and register values. */
typedef uint64_t unw_word_t;
typedef int64_t unw_sword_t;
typedef long double unw_tdep_fpreg_t;
typedef enum
{
UNW_TILEGX_R0,
UNW_TILEGX_R1,
UNW_TILEGX_R2,
UNW_TILEGX_R3,
UNW_TILEGX_R4,
UNW_TILEGX_R5,
UNW_TILEGX_R6,
UNW_TILEGX_R7,
UNW_TILEGX_R8,
UNW_TILEGX_R9,
UNW_TILEGX_R10,
UNW_TILEGX_R11,
UNW_TILEGX_R12,
UNW_TILEGX_R13,
UNW_TILEGX_R14,
UNW_TILEGX_R15,
UNW_TILEGX_R16,
UNW_TILEGX_R17,
UNW_TILEGX_R18,
UNW_TILEGX_R19,
UNW_TILEGX_R20,
UNW_TILEGX_R21,
UNW_TILEGX_R22,
UNW_TILEGX_R23,
UNW_TILEGX_R24,
UNW_TILEGX_R25,
UNW_TILEGX_R26,
UNW_TILEGX_R27,
UNW_TILEGX_R28,
UNW_TILEGX_R29,
UNW_TILEGX_R30,
UNW_TILEGX_R31,
UNW_TILEGX_R32,
UNW_TILEGX_R33,
UNW_TILEGX_R34,
UNW_TILEGX_R35,
UNW_TILEGX_R36,
UNW_TILEGX_R37,
UNW_TILEGX_R38,
UNW_TILEGX_R39,
UNW_TILEGX_R40,
UNW_TILEGX_R41,
UNW_TILEGX_R42,
UNW_TILEGX_R43,
UNW_TILEGX_R44,
UNW_TILEGX_R45,
UNW_TILEGX_R46,
UNW_TILEGX_R47,
UNW_TILEGX_R48,
UNW_TILEGX_R49,
UNW_TILEGX_R50,
UNW_TILEGX_R51,
UNW_TILEGX_R52,
UNW_TILEGX_R53,
UNW_TILEGX_R54,
UNW_TILEGX_R55,
/* FIXME: Other registers! */
UNW_TILEGX_PC,
/* For TILEGX, the CFA is the value of SP (r54) at the call site in the
previous frame. */
UNW_TILEGX_CFA,
UNW_TDEP_LAST_REG = UNW_TILEGX_PC,
UNW_TDEP_IP = UNW_TILEGX_R55, /* R55 is link register for Tilegx */
UNW_TDEP_SP = UNW_TILEGX_R54,
UNW_TDEP_EH = UNW_TILEGX_R0 /* FIXME. */
} tilegx_regnum_t;
typedef enum
{
UNW_TILEGX_ABI_N64 = 2
} tilegx_abi_t;
#define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for TILEGX. */
typedef struct unw_tdep_save_loc
{
/* Additional target-dependent info on a save location. */
} unw_tdep_save_loc_t;
typedef ucontext_t unw_tdep_context_t;
#include "libunwind-dynamic.h"
typedef struct
{
/* no tilegx-specific auxiliary proc-info */
} unw_tdep_proc_info_t;
#include "libunwind-common.h"
#define unw_tdep_getcontext getcontext
#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
extern int unw_tdep_is_fpreg (int);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif /* LIBUNWIND_H */
|
