| 1 | /* |
| 2 | * LTTTypes.h |
| 3 | * |
| 4 | * Copyright (C) 2000 Karim Yaghmour (karym@opersys.com). |
| 5 | * |
| 6 | * This is distributed under GPL. |
| 7 | * |
| 8 | * Header for LTT-secific types. |
| 9 | * |
| 10 | * History : |
| 11 | * K.Y. 07/09/2001, Added David Schleef's architecture independent ltt_set_bit/ltt_clear_bit/ltt_test_bit |
| 12 | * JAL, 05/01/2001, Modified PPC bit manipulation functions for x86 compatibility. |
| 13 | * (andy_lowe@mvista.com) |
| 14 | * K.Y., 31/05/2000, Initial typing. |
| 15 | */ |
| 16 | |
| 17 | #ifndef __TRACE_TOOLKIT_TYPES_HEADER__ |
| 18 | #define __TRACE_TOOLKIT_TYPES_HEADER__ |
| 19 | |
| 20 | #include <sys/types.h> |
| 21 | #include <sys/time.h> |
| 22 | |
| 23 | #if defined(sun) |
| 24 | |
| 25 | typedef unsigned char u_int8_t; |
| 26 | typedef unsigned short u_int16_t; |
| 27 | typedef unsigned int u_int32_t; |
| 28 | #ifdef _LP64 |
| 29 | typedef unsigned long u_int64_t; |
| 30 | #else /* _ILP32 */ |
| 31 | #if __STDC__ - 0 == 0 && !defined(_NO_LONGLONG) |
| 32 | typedef unsigned long long u_int64_t; |
| 33 | #endif /* __STDC__ - 0 == 0 && !defined(_NO_LONGLONG) */ |
| 34 | #endif /* _LP64 */ |
| 35 | |
| 36 | #endif /* defined(sun) */ |
| 37 | |
| 38 | extern __inline__ int ltt_set_bit(int nr, void * addr) |
| 39 | { |
| 40 | unsigned char *p = addr; |
| 41 | unsigned char mask = 1 << (nr&7); |
| 42 | unsigned char old; |
| 43 | |
| 44 | p += nr>>3; |
| 45 | old = *p; |
| 46 | *p |= mask; |
| 47 | |
| 48 | return ((old & mask) != 0); |
| 49 | } |
| 50 | |
| 51 | extern __inline__ int ltt_clear_bit(int nr, void * addr) |
| 52 | { |
| 53 | unsigned char *p = addr; |
| 54 | unsigned char mask = 1 << (nr&7); |
| 55 | unsigned char old; |
| 56 | |
| 57 | p += nr>>3; |
| 58 | old = *p; |
| 59 | *p &= ~mask; |
| 60 | |
| 61 | return ((old & mask) != 0); |
| 62 | } |
| 63 | |
| 64 | extern __inline__ int ltt_test_bit(int nr,void *addr) |
| 65 | { |
| 66 | unsigned char *p = addr; |
| 67 | unsigned char mask = 1 << (nr&7); |
| 68 | |
| 69 | p += nr>>3; |
| 70 | |
| 71 | return ((*p & mask) != 0); |
| 72 | } |
| 73 | |
| 74 | /* Big-endian/little-endian conversion macros for cross-development. */ |
| 75 | #if TARGET_NATIVE |
| 76 | /* For native development, these conversion macros aren't needed. */ |
| 77 | #define BREV16(x) (x) |
| 78 | #define BREV32(x) (x) |
| 79 | #define BREV64(x) (x) |
| 80 | #define RFT8(db,x) (x) |
| 81 | #define RFT16(db,x) (x) |
| 82 | #define RFT32(db,x) (x) |
| 83 | #define RFT64(db,x) (x) |
| 84 | |
| 85 | /* Non-native development */ |
| 86 | #else |
| 87 | /* BREV16: byte-reverse a 16-bit integer */ |
| 88 | #define BREV16(x) ((((x) & 0xff00) >> 8) | (((x) & 0x00ff) << 8)) |
| 89 | /* BREV32: byte-reverse a 32-bit integer */ |
| 90 | #define BREV32(x) ((((x) & 0xff000000) >> 24) | (((x) & 0x00ff0000) >> 8) \ |
| 91 | | (((x) & 0x0000ff00) << 8) | (((x) & 0x000000ff) << 24)) |
| 92 | /* BREV64: byte-reverse a 64-bit integer */ |
| 93 | #define BREV64(x) ((((x) & 0xff00000000000000) >> 56) \ |
| 94 | | (((x) & 0x00ff000000000000) >> 40) \ |
| 95 | | (((x) & 0x0000ff0000000000) >> 24) \ |
| 96 | | (((x) & 0x000000ff00000000) >> 8) \ |
| 97 | | (((x) & 0x00000000ff000000) << 8) \ |
| 98 | | (((x) & 0x0000000000ff0000) << 24) \ |
| 99 | | (((x) & 0x000000000000ff00) << 40) \ |
| 100 | | (((x) & 0x00000000000000ff) << 56)) |
| 101 | /* RFTn: Read From Trace |
| 102 | * Conditionally byte-reverse an 8-, 16-, 32-, or 64-bit integer |
| 103 | * based on the value of the ByteRev member of the trace database |
| 104 | * structure pointer passed as the first argument.. |
| 105 | */ |
| 106 | #define RFT8(db,x) (x) |
| 107 | #define RFT16(db,x) ((db)->ByteRev ? BREV16(x) : (x)) |
| 108 | #define RFT32(db,x) ((db)->ByteRev ? BREV32(x) : (x)) |
| 109 | #define RFT64(db,x) ((db)->ByteRev ? BREV64(x) : (x)) |
| 110 | #endif /* TRACE_TARGET_NATIVE */ |
| 111 | |
| 112 | #if !defined(sun) |
| 113 | /* Some type corrections, just in case */ |
| 114 | #ifndef uint8_t |
| 115 | #define uint8_t u_int8_t |
| 116 | #endif |
| 117 | #ifndef uint16_t |
| 118 | #define uint16_t u_int16_t |
| 119 | #endif |
| 120 | #ifndef uint32_t |
| 121 | #define uint32_t u_int32_t |
| 122 | #endif |
| 123 | #ifndef uint64_t |
| 124 | #define uint64_t u_int64_t |
| 125 | #endif |
| 126 | #endif /* !defined(sun) */ |
| 127 | |
| 128 | /* Structure packing */ |
| 129 | #if LTT_UNPACKED_STRUCTS |
| 130 | #define LTT_PACKED_STRUCT |
| 131 | #else |
| 132 | #define LTT_PACKED_STRUCT __attribute__ ((packed)) |
| 133 | #endif /* UNPACKED_STRUCTS */ |
| 134 | |
| 135 | /* Trace mask */ |
| 136 | typedef uint64_t trace_event_mask; |
| 137 | |
| 138 | /* Boolean stuff */ |
| 139 | //#define TRUE 1 |
| 140 | //#define FALSE 0 |
| 141 | |
| 142 | #endif /* __TRACE_TOOLKIT_TYPES_HEADER__ */ |