Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | /* |
| 2 | * Copyright 2009 VMware, Inc. |
||
| 3 | * All Rights Reserved. |
||
| 4 | * |
||
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
| 6 | * copy of this software and associated documentation files (the "Software"), |
||
| 7 | * to deal in the Software without restriction, including without limitation |
||
| 8 | * on the rights to use, copy, modify, merge, publish, distribute, sub |
||
| 9 | * license, and/or sell copies of the Software, and to permit persons to whom |
||
| 10 | * the Software is furnished to do so, subject to the following conditions: |
||
| 11 | * |
||
| 12 | * The above copyright notice and this permission notice (including the next |
||
| 13 | * paragraph) shall be included in all copies or substantial portions of the |
||
| 14 | * Software. |
||
| 15 | * |
||
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
||
| 19 | * VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
||
| 20 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
||
| 21 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
||
| 22 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
||
| 23 | */ |
||
| 24 | |||
| 25 | /* |
||
| 26 | * This file is internal to the rbug protocol code, and contains asorted |
||
| 27 | * features needed by the code. |
||
| 28 | */ |
||
| 29 | |||
| 30 | #ifndef _RBUG_INTERNAL_H_ |
||
| 31 | #define _RBUG_INTERNAL_H_ |
||
| 32 | |||
| 33 | #include "rbug_proto.h" |
||
| 34 | |||
| 35 | #include "util/u_memory.h" |
||
| 36 | #include "util/u_debug.h" |
||
| 37 | #include |
||
| 38 | |||
| 39 | int rbug_connection_send_start(struct rbug_connection *con, enum rbug_opcode opcode, uint32_t length); |
||
| 40 | int rbug_connection_write(struct rbug_connection *con, void *data, uint32_t size); |
||
| 41 | int rbug_connection_send_finish(struct rbug_connection *con, uint32_t *c); |
||
| 42 | |||
| 43 | /** |
||
| 44 | * Only works with multiples of 2 |
||
| 45 | */ |
||
| 46 | #define PAD(from, to) \ |
||
| 47 | do { \ |
||
| 48 | from = (from + to - 1) & ~(to - 1); \ |
||
| 49 | } while(0) |
||
| 50 | |||
| 51 | #define LEN(size) \ |
||
| 52 | do { \ |
||
| 53 | PAD(__len, size); \ |
||
| 54 | __len += size; \ |
||
| 55 | } while(0) |
||
| 56 | |||
| 57 | #define LEN_ARRAY(size, name) \ |
||
| 58 | do { \ |
||
| 59 | LEN(4); \ |
||
| 60 | PAD(__len, size); \ |
||
| 61 | __len += size * name##_len; \ |
||
| 62 | } while(0) |
||
| 63 | |||
| 64 | #define WRITE(size, type, name) \ |
||
| 65 | do { \ |
||
| 66 | PAD(__pos, size); \ |
||
| 67 | *((type *)(&__data[__pos])) = name; \ |
||
| 68 | __pos += size; \ |
||
| 69 | } while(0) |
||
| 70 | |||
| 71 | #define WRITE_ARRAY(size, type, name) \ |
||
| 72 | do { \ |
||
| 73 | WRITE(4, uint32_t, name##_len); \ |
||
| 74 | PAD(__pos, size); \ |
||
| 75 | memcpy(&__data[__pos], name, size * name##_len); \ |
||
| 76 | __pos += size * name##_len; \ |
||
| 77 | } while(0) |
||
| 78 | |||
| 79 | #define READ(size, type, name) \ |
||
| 80 | do { \ |
||
| 81 | PAD(pos, size); \ |
||
| 82 | pos += size; \ |
||
| 83 | if (pos > len) \ |
||
| 84 | break; \ |
||
| 85 | ret->name = *((type *)(&data[pos - size])); \ |
||
| 86 | } while(0) |
||
| 87 | |||
| 88 | #define READ_ARRAY(size, type, name) \ |
||
| 89 | do { \ |
||
| 90 | READ(4, uint32_t, name##_len); \ |
||
| 91 | if (pos > len) \ |
||
| 92 | break; \ |
||
| 93 | PAD(pos, size); \ |
||
| 94 | pos += size * ret->name##_len; \ |
||
| 95 | if (pos > len) \ |
||
| 96 | break; \ |
||
| 97 | ret->name = (type *)&data[pos - size * ret->name##_len]; \ |
||
| 98 | } while(0) |
||
| 99 | |||
| 100 | #endif |