diff options
Diffstat (limited to 'src/gallium/auxiliary/rbug/rbug_internal.h')
-rw-r--r-- | src/gallium/auxiliary/rbug/rbug_internal.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/rbug/rbug_internal.h b/src/gallium/auxiliary/rbug/rbug_internal.h new file mode 100644 index 0000000000..4aba1a810f --- /dev/null +++ b/src/gallium/auxiliary/rbug/rbug_internal.h @@ -0,0 +1,100 @@ +/* + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * 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 + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, 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 (including the next + * paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * VMWARE AND/OR THEIR SUPPLIERS 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. + */ + +/* + * This file is internal to the rbug protocol code, and contains asorted + * features needed by the code. + */ + +#ifndef _RBUG_INTERNAL_H_ +#define _RBUG_INTERNAL_H_ + +#include "rbug/rbug_proto.h" + +#include "util/u_memory.h" +#include "util/u_debug.h" +#include <errno.h> + +int rbug_connection_send_start(struct rbug_connection *con, enum rbug_opcode opcode, uint32_t length); +int rbug_connection_write(struct rbug_connection *con, void *data, uint32_t size); +int rbug_connection_send_finish(struct rbug_connection *con, uint32_t *c); + +/** + * Only works with multiples of 2 + */ +#define PAD(from, to) \ +do { \ + from = (from + to - 1) & ~(to - 1); \ +} while(0) + +#define LEN(size) \ +do { \ + PAD(__len, size); \ + __len += size; \ +} while(0) + +#define LEN_ARRAY(size, name) \ +do { \ + LEN(4); \ + PAD(__len, size); \ + __len += size * name##_len; \ +} while(0) + +#define WRITE(size, type, name) \ +do { \ + PAD(__pos, size); \ + *((type *)(&__data[__pos])) = name; \ + __pos += size; \ +} while(0) + +#define WRITE_ARRAY(size, type, name) \ +do { \ + WRITE(4, uint32_t, name##_len); \ + PAD(__pos, size); \ + memcpy(&__data[__pos], name, size * name##_len); \ + __pos += size * name##_len; \ +} while(0) + +#define READ(size, type, name) \ +do { \ + PAD(pos, size); \ + pos += size; \ + if (pos > len) \ + break; \ + ret->name = *((type *)(&data[pos - size])); \ +} while(0) + +#define READ_ARRAY(size, type, name) \ +do { \ + READ(4, uint32_t, name##_len); \ + if (pos > len) \ + break; \ + PAD(pos, size); \ + pos += size * ret->name##_len; \ + if (pos > len) \ + break; \ + ret->name = (type *)&data[pos - size * ret->name##_len]; \ +} while(0) + +#endif |