1 /*
2 * Copyright 2006 The Android Open Source Project
3 *
4 * jdwpspy common stuff.
5 */
6 #ifndef _JDWPSPY_COMMON
7 #define _JDWPSPY_COMMON
8
9 #include <stdio.h>
10 #include <sys/types.h>
11
12 typedef unsigned char u1;
13 typedef unsigned short u2;
14 typedef unsigned int u4;
15 typedef unsigned long long u8;
16
17 #define NELEM(x) (sizeof(x) / sizeof((x)[0]))
18
19 #ifndef _JDWP_MISC_INLINE
20 # define INLINE extern inline
21 #else
22 # define INLINE
23 #endif
24
25 /*
26 * Get 1 byte. (Included to make the code more legible.)
27 */
get1(unsigned const char * pSrc)28 INLINE u1 get1(unsigned const char* pSrc)
29 {
30 return *pSrc;
31 }
32
33 /*
34 * Get 2 big-endian bytes.
35 */
get2BE(unsigned char const * pSrc)36 INLINE u2 get2BE(unsigned char const* pSrc)
37 {
38 u2 result;
39
40 result = *pSrc++ << 8;
41 result |= *pSrc++;
42
43 return result;
44 }
45
46 /*
47 * Get 4 big-endian bytes.
48 */
get4BE(unsigned char const * pSrc)49 INLINE u4 get4BE(unsigned char const* pSrc)
50 {
51 u4 result;
52
53 result = *pSrc++ << 24;
54 result |= *pSrc++ << 16;
55 result |= *pSrc++ << 8;
56 result |= *pSrc++;
57
58 return result;
59 }
60
61 /*
62 * Get 8 big-endian bytes.
63 */
get8BE(unsigned char const * pSrc)64 INLINE u8 get8BE(unsigned char const* pSrc)
65 {
66 u8 result;
67
68 result = (u8) *pSrc++ << 56;
69 result |= (u8) *pSrc++ << 48;
70 result |= (u8) *pSrc++ << 40;
71 result |= (u8) *pSrc++ << 32;
72 result |= (u8) *pSrc++ << 24;
73 result |= (u8) *pSrc++ << 16;
74 result |= (u8) *pSrc++ << 8;
75 result |= (u8) *pSrc++;
76
77 return result;
78 }
79
80
81 /*
82 * Start here.
83 */
84 int run(const char* connectHost, int connectPort, int listenPort);
85
86 /*
87 * Print a hex dump to the specified file pointer.
88 *
89 * "local" mode prints a hex dump starting from offset 0 (roughly equivalent
90 * to "xxd -g1").
91 *
92 * "mem" mode shows the actual memory address, and will offset the start
93 * so that the low nibble of the address is always zero.
94 */
95 typedef enum { kHexDumpLocal, kHexDumpMem } HexDumpMode;
96 void printHexDump(const void* vaddr, size_t length);
97 void printHexDump2(const void* vaddr, size_t length, const char* prefix);
98 void printHexDumpEx(FILE* fp, const void* vaddr, size_t length,
99 HexDumpMode mode, const char* prefix);
100
101 #endif /*_JDWPSPY_COMMON*/
102