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
|
/*
* Copyright (c) 2002,2003 Hewlett-Packard Company
*
* 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.
*/
#include "uwx.h"
#define WORDSZ 4
#define DWORDSZ 8
#define BUNDLESZ 16
#define SLOTSPERBUNDLE 3
#define UNWIND_TBL_32BIT 0x8000000000000000LL
#define UNW_VER(x) ((x) >> 48)
#define UNW_FLAG_MASK 0x0000ffff00000000LL
#define UNW_FLAG_EHANDLER 0x0000000100000000LL
#define UNW_FLAG_UHANDLER 0x0000000200000000LL
#define UNW_LENGTH(x) ((x) & 0x00000000ffffffffLL)
struct uwx_scoreboard;
#define NSCOREBOARDS 8 /* Initial allocation of scoreboards */
#define NSPECIALREG 14
#define NPRESERVEDGR 4
#define NPRESERVEDBR 5
#define NPRESERVEDFR 20
struct uwx_fpreg {
uint64_t part0;
uint64_t part1;
};
struct uwx_context {
unsigned int valid_regs;
unsigned int valid_frs;
uint64_t special[NSPECIALREG];
uint64_t gr[NPRESERVEDGR];
uint64_t br[NPRESERVEDBR];
struct uwx_fpreg fr[NPRESERVEDFR];
};
#define VALID_GR_SHIFT NSPECIALREG
#define VALID_BR_SHIFT (NSPECIALREG + NPRESERVEDGR)
#define VALID_BASIC4 0x0f /* IP, SP, BSP, PFS */
struct uwx_history {
uint64_t special[NSPECIALREG];
uint64_t gr[NPRESERVEDGR];
uint64_t br[NPRESERVEDBR];
uint64_t fr[NPRESERVEDFR];
};
struct uwx_str_pool;
struct uwx_env {
struct uwx_context context;
uint64_t *rstate;
int64_t function_offset;
struct uwx_history history;
alloc_cb allocate_cb;
free_cb free_cb;
struct uwx_scoreboard *free_scoreboards;
struct uwx_scoreboard *used_scoreboards;
struct uwx_scoreboard *labeled_scoreboards;
struct uwx_str_pool *string_pool;
char *module_name;
char *function_name;
intptr_t cb_token;
copyin_cb copyin;
lookupip_cb lookupip;
int remote;
int byte_swap;
int abi_context;
int nsbreg;
int nscoreboards;
int trace;
};
extern alloc_cb uwx_allocate_cb;
extern free_cb uwx_free_cb;
|
