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      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  */
     28 INLINE u1 get1(unsigned const char* pSrc)
     29 {
     30     return *pSrc;
     31 }
     32 
     33 /*
     34  * Get 2 big-endian bytes.
     35  */
     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  */
     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  */
     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