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
|
/*
* 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.
*/
struct uwx_bstream {
copyin_cb copyin;
intptr_t cb_token;
uint64_t source;
uint64_t buf;
unsigned char *bufp;
int nbuf;
unsigned int ntotal;
int request;
int peekc;
};
/* uwx_init_bstream: initialize a byte stream for reading */
extern void uwx_init_bstream(
struct uwx_bstream *bstream,
struct uwx_env *env,
uint64_t source,
unsigned int len,
int request);
/* uwx_get_byte: read the next byte from the byte stream */
extern int uwx_get_byte(struct uwx_bstream *bstream);
/* uwx_unget_byte: push a byte back onto the byte stream */
extern int uwx_unget_byte(struct uwx_bstream *bstream, int b);
/* uwx_get_uleb128: read a ULEB128 value from the byte stream */
extern int uwx_get_uleb128(struct uwx_bstream *bstream, uint64_t *val);
|