rbug: Add Gallium Remote Debugger Protocol code

	This is the (de)marshalling and connection managment code

1 files changed, 359 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/rbug/rbug_core.c b/src/gallium/auxiliary/rbug/rbug_core.c
new file mode 100644
index 0000000000..876ae5a0ce
--- /dev/null
+++ b/src/gallium/auxiliary/rbug/rbug_core.c
@@ -0,0 +1,359 @@
+/*
+ * 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 holds the function implementation for one of the rbug extensions.
+ * Prototypes and declerations of functions and structs is in the same folder
+ * in the header file matching this file's name.
+ *
+ * The functions starting rbug_send_* encodes a call to the write format and
+ * sends that to the supplied connection, while functions starting with
+ * rbug_demarshal_* demarshal data in the wire protocol.
+ *
+ * Functions ending with _reply are replies to requests.
+ */
+
+#include "rbug_internal.h"
+#include "rbug/rbug_core.h"
+
+int rbug_send_noop(struct rbug_connection *__con,
+                   uint32_t *__serial)
+{
+	uint32_t __len = 0;
+	uint32_t __pos = 0;
+	uint8_t *__data = NULL;
+	int __ret = 0;
+
+	LEN(8); /* header */
+
+	/* align */
+	PAD(__len, 8);
+
+	__data = (uint8_t*)MALLOC(__len);
+	if (!__data)
+		return -ENOMEM;
+
+	WRITE(4, int32_t, ((int32_t)RBUG_OP_NOOP));
+	WRITE(4, uint32_t, ((uint32_t)(__len / 4)));
+
+	/* final pad */
+	PAD(__pos, 8);
+
+	if (__pos != __len) {
+		__ret = -EINVAL;
+	} else {
+		rbug_connection_send_start(__con, RBUG_OP_NOOP, __len);
+		rbug_connection_write(__con, __data, __len);
+		__ret = rbug_connection_send_finish(__con, __serial);
+	}
+
+	FREE(__data);
+	return __ret;
+}
+
+int rbug_send_ping(struct rbug_connection *__con,
+                   uint32_t *__serial)
+{
+	uint32_t __len = 0;
+	uint32_t __pos = 0;
+	uint8_t *__data = NULL;
+	int __ret = 0;
+
+	LEN(8); /* header */
+
+	/* align */
+	PAD(__len, 8);
+
+	__data = (uint8_t*)MALLOC(__len);
+	if (!__data)
+		return -ENOMEM;
+
+	WRITE(4, int32_t, ((int32_t)RBUG_OP_PING));
+	WRITE(4, uint32_t, ((uint32_t)(__len / 4)));
+
+	/* final pad */
+	PAD(__pos, 8);
+
+	if (__pos != __len) {
+		__ret = -EINVAL;
+	} else {
+		rbug_connection_send_start(__con, RBUG_OP_PING, __len);
+		rbug_connection_write(__con, __data, __len);
+		__ret = rbug_connection_send_finish(__con, __serial);
+	}
+
+	FREE(__data);
+	return __ret;
+}
+
+int rbug_send_error(struct rbug_connection *__con,
+                    uint32_t error,
+                    uint32_t *__serial)
+{
+	uint32_t __len = 0;
+	uint32_t __pos = 0;
+	uint8_t *__data = NULL;
+	int __ret = 0;
+
+	LEN(8); /* header */
+	LEN(4); /* error */
+
+	/* align */
+	PAD(__len, 8);
+
+	__data = (uint8_t*)MALLOC(__len);
+	if (!__data)
+		return -ENOMEM;
+
+	WRITE(4, int32_t, ((int32_t)RBUG_OP_ERROR));
+	WRITE(4, uint32_t, ((uint32_t)(__len / 4)));
+	WRITE(4, uint32_t, error); /* error */
+
+	/* final pad */
+	PAD(__pos, 8);
+
+	if (__pos != __len) {
+		__ret = -EINVAL;
+	} else {
+		rbug_connection_send_start(__con, RBUG_OP_ERROR, __len);
+		rbug_connection_write(__con, __data, __len);
+		__ret = rbug_connection_send_finish(__con, __serial);
+	}
+
+	FREE(__data);
+	return __ret;
+}
+
+int rbug_send_ping_reply(struct rbug_connection *__con,
+                         uint32_t serial,
+                         uint32_t *__serial)
+{
+	uint32_t __len = 0;
+	uint32_t __pos = 0;
+	uint8_t *__data = NULL;
+	int __ret = 0;
+
+	LEN(8); /* header */
+	LEN(4); /* serial */
+
+	/* align */
+	PAD(__len, 8);
+
+	__data = (uint8_t*)MALLOC(__len);
+	if (!__data)
+		return -ENOMEM;
+
+	WRITE(4, int32_t, ((int32_t)RBUG_OP_PING_REPLY));
+	WRITE(4, uint32_t, ((uint32_t)(__len / 4)));
+	WRITE(4, uint32_t, serial); /* serial */
+
+	/* final pad */
+	PAD(__pos, 8);
+
+	if (__pos != __len) {
+		__ret = -EINVAL;
+	} else {
+		rbug_connection_send_start(__con, RBUG_OP_PING_REPLY, __len);
+		rbug_connection_write(__con, __data, __len);
+		__ret = rbug_connection_send_finish(__con, __serial);
+	}
+
+	FREE(__data);
+	return __ret;
+}
+
+int rbug_send_error_reply(struct rbug_connection *__con,
+                          uint32_t serial,
+                          uint32_t error,
+                          uint32_t *__serial)
+{
+	uint32_t __len = 0;
+	uint32_t __pos = 0;
+	uint8_t *__data = NULL;
+	int __ret = 0;
+
+	LEN(8); /* header */
+	LEN(4); /* serial */
+	LEN(4); /* error */
+
+	/* align */
+	PAD(__len, 8);
+
+	__data = (uint8_t*)MALLOC(__len);
+	if (!__data)
+		return -ENOMEM;
+
+	WRITE(4, int32_t, ((int32_t)RBUG_OP_ERROR_REPLY));
+	WRITE(4, uint32_t, ((uint32_t)(__len / 4)));
+	WRITE(4, uint32_t, serial); /* serial */
+	WRITE(4, uint32_t, error); /* error */
+
+	/* final pad */
+	PAD(__pos, 8);
+
+	if (__pos != __len) {
+		__ret = -EINVAL;
+	} else {
+		rbug_connection_send_start(__con, RBUG_OP_ERROR_REPLY, __len);
+		rbug_connection_write(__con, __data, __len);
+		__ret = rbug_connection_send_finish(__con, __serial);
+	}
+
+	FREE(__data);
+	return __ret;
+}
+
+struct rbug_proto_noop * rbug_demarshal_noop(struct rbug_proto_header *header)
+{
+	uint32_t len = 0;
+	uint32_t pos = 0;
+	uint8_t *data =  NULL;
+	struct rbug_proto_noop *ret;
+
+	if (!header)
+		return NULL;
+	if (header->opcode != (int16_t)RBUG_OP_NOOP)
+		return NULL;
+
+	pos = 0;
+	len = header->length * 4;
+	data = (uint8_t*)&header[1];
+	ret = MALLOC(sizeof(*ret));
+	if (!ret)
+		return NULL;
+
+	ret->header.__message = header;
+	ret->header.opcode = header->opcode;
+
+
+	return ret;
+}
+
+struct rbug_proto_ping * rbug_demarshal_ping(struct rbug_proto_header *header)
+{
+	uint32_t len = 0;
+	uint32_t pos = 0;
+	uint8_t *data =  NULL;
+	struct rbug_proto_ping *ret;
+
+	if (!header)
+		return NULL;
+	if (header->opcode != (int16_t)RBUG_OP_PING)
+		return NULL;
+
+	pos = 0;
+	len = header->length * 4;
+	data = (uint8_t*)&header[1];
+	ret = MALLOC(sizeof(*ret));
+	if (!ret)
+		return NULL;
+
+	ret->header.__message = header;
+	ret->header.opcode = header->opcode;
+
+
+	return ret;
+}
+
+struct rbug_proto_error * rbug_demarshal_error(struct rbug_proto_header *header)
+{
+	uint32_t len = 0;
+	uint32_t pos = 0;
+	uint8_t *data =  NULL;
+	struct rbug_proto_error *ret;
+
+	if (!header)
+		return NULL;
+	if (header->opcode != (int16_t)RBUG_OP_ERROR)
+		return NULL;
+
+	pos = 0;
+	len = header->length * 4;
+	data = (uint8_t*)&header[1];
+	ret = MALLOC(sizeof(*ret));
+	if (!ret)
+		return NULL;
+
+	ret->header.__message = header;
+	ret->header.opcode = header->opcode;
+
+	READ(4, uint32_t, error); /* error */
+
+	return ret;
+}
+
+struct rbug_proto_ping_reply * rbug_demarshal_ping_reply(struct rbug_proto_header *header)
+{
+	uint32_t len = 0;
+	uint32_t pos = 0;
+	uint8_t *data =  NULL;
+	struct rbug_proto_ping_reply *ret;
+
+	if (!header)
+		return NULL;
+	if (header->opcode != (int16_t)RBUG_OP_PING_REPLY)
+		return NULL;
+
+	pos = 0;
+	len = header->length * 4;
+	data = (uint8_t*)&header[1];
+	ret = MALLOC(sizeof(*ret));
+	if (!ret)
+		return NULL;
+
+	ret->header.__message = header;
+	ret->header.opcode = header->opcode;
+
+	READ(4, uint32_t, serial); /* serial */
+
+	return ret;
+}
+
+struct rbug_proto_error_reply * rbug_demarshal_error_reply(struct rbug_proto_header *header)
+{
+	uint32_t len = 0;
+	uint32_t pos = 0;
+	uint8_t *data =  NULL;
+	struct rbug_proto_error_reply *ret;
+
+	if (!header)
+		return NULL;
+	if (header->opcode != (int16_t)RBUG_OP_ERROR_REPLY)
+		return NULL;
+
+	pos = 0;
+	len = header->length * 4;
+	data = (uint8_t*)&header[1];
+	ret = MALLOC(sizeof(*ret));
+	if (!ret)
+		return NULL;
+
+	ret->header.__message = header;
+	ret->header.opcode = header->opcode;
+
+	READ(4, uint32_t, serial); /* serial */
+	READ(4, uint32_t, error); /* error */
+
+	return ret;
+}