Starting revival of debugger system. Work on #41.

This commit is contained in:
Ben Vanik 2013-12-16 20:28:58 -08:00
parent c17122e022
commit d548e7f770
28 changed files with 1254 additions and 100 deletions

3
.gitmodules vendored
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@ -16,3 +16,6 @@
[submodule "third_party/beaengine"]
path = third_party/beaengine
url = https://github.com/benvanik/beaengine.git
[submodule "third_party/wslay"]
path = third_party/wslay
url = https://github.com/benvanik/wslay.git

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@ -1,13 +0,0 @@
# Copyright 2013 Ben Vanik. All Rights Reserved.
{
'sources': [
'client.cc',
'client.h',
'content_source.cc',
'content_source.h',
'debugger.cc',
'debugger.h',
'listener.cc',
'listener.h',
],
}

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@ -0,0 +1,26 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/debug/debug_client.h>
#include <xenia/debug/debug_server.h>
using namespace xe;
using namespace xe::debug;
DebugClient::DebugClient(DebugServer* debug_server) :
debug_server_(debug_server) {
debug_server_->AddClient(this);
}
DebugClient::~DebugClient() {
debug_server_->RemoveClient(this);
}

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@ -0,0 +1,40 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_DEBUG_DEBUG_CLIENT_H_
#define XENIA_DEBUG_DEBUG_CLIENT_H_
#include <xenia/common.h>
#include <xenia/core.h>
XEDECLARECLASS2(xe, debug, DebugServer);
namespace xe {
namespace debug {
class DebugClient {
public:
DebugClient(DebugServer* debug_server);
virtual ~DebugClient();
virtual int Setup() = 0;
protected:
DebugServer* debug_server_;
};
} // namespace debug
} // namespace xe
#endif // XENIA_DEBUG_DEBUG_CLIENT_H_

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@ -0,0 +1,97 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/debug/debug_server.h>
#include <gflags/gflags.h>
#include <xenia/emulator.h>
#include <xenia/debug/debug_client.h>
#include <xenia/debug/protocol.h>
#include <xenia/debug/protocols/gdb/gdb_protocol.h>
#include <xenia/debug/protocols/ws/ws_protocol.h>
using namespace xe;
using namespace xe::debug;
DEFINE_bool(wait_for_debugger, false,
"Whether to wait for the debugger to attach before launching.");
DebugServer::DebugServer(Emulator* emulator) :
emulator_(emulator) {
//protocols_.push_back(
// new protocols::gdb::GDBProtocol(this, gdb_port));
protocols_.push_back(
new protocols::ws::WSProtocol(this));
}
DebugServer::~DebugServer() {
Shutdown();
}
int DebugServer::Startup() {
// HACK(benvanik): say we are ok even if we have no listener.
if (!protocols_.size()) {
return 0;
}
// Start listeners.
// This may launch threads and such.
for (std::vector<Protocol*>::iterator it = protocols_.begin();
it != protocols_.end(); ++it) {
Protocol* protocol = *it;
if (protocol->Setup()) {
return 1;
}
}
// If desired, wait until the first client connects.
if (FLAGS_wait_for_debugger) {
//XELOGI("Waiting for debugger on port %d...", FLAGS_remote_debug_port);
//if (listener_->WaitForClient()) {
// return 1;
//}
XELOGI("Debugger attached, continuing...");
}
return 0;
}
void DebugServer::Shutdown() {
std::vector<DebugClient*> clients(clients_.begin(), clients_.end());
clients_.clear();
for (std::vector<DebugClient*>::iterator it = clients.begin();
it != clients.end(); ++it) {
delete *it;
}
std::vector<Protocol*> protocols(protocols_.begin(), protocols_.end());
protocols_.clear();
for (std::vector<Protocol*>::iterator it = protocols.begin();
it != protocols.end(); ++it) {
delete *it;
}
}
void DebugServer::AddClient(DebugClient* debug_client) {
clients_.push_back(debug_client);
}
void DebugServer::RemoveClient(DebugClient* debug_client) {
for (std::vector<DebugClient*>::iterator it = clients_.begin();
it != clients_.end(); ++it) {
if (*it == debug_client) {
clients_.erase(it);
return;
}
}
}

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@ -0,0 +1,53 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_DEBUG_DEBUG_SERVER_H_
#define XENIA_DEBUG_DEBUG_SERVER_H_
#include <xenia/common.h>
#include <xenia/core.h>
#include <vector>
XEDECLARECLASS1(xe, Emulator);
XEDECLARECLASS2(xe, debug, DebugClient);
XEDECLARECLASS2(xe, debug, Protocol);
namespace xe {
namespace debug {
class DebugServer {
public:
DebugServer(Emulator* emulator);
virtual ~DebugServer();
int Startup();
void Shutdown();
private:
void AddClient(DebugClient* debug_client);
void RemoveClient(DebugClient* debug_client);
friend class DebugClient;
private:
Emulator* emulator_;
std::vector<Protocol*> protocols_;
std::vector<DebugClient*> clients_;
};
} // namespace debug
} // namespace xe
#endif // XENIA_DEBUG_DEBUG_SERVER_H_

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@ -7,16 +7,16 @@
******************************************************************************
*/
#include <xenia/dbg/listener.h>
#include <xenia/debug/protocol.h>
using namespace xe;
using namespace xe::dbg;
using namespace xe::debug;
Listener::Listener(Debugger* debugger) :
debugger_(debugger) {
Protocol::Protocol(DebugServer* debug_server) :
debug_server_(debug_server) {
}
Listener::~Listener() {
Protocol::~Protocol() {
}

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@ -7,35 +7,35 @@
******************************************************************************
*/
#ifndef XENIA_DBG_LISTENER_H_
#define XENIA_DBG_LISTENER_H_
#ifndef XENIA_DEBUG_PROTOCOL_H_
#define XENIA_DEBUG_PROTOCOL_H_
#include <xenia/common.h>
#include <xenia/core.h>
XEDECLARECLASS2(xe, debug, DebugServer);
namespace xe {
namespace dbg {
namespace debug {
class Debugger;
class Listener {
class Protocol {
public:
Listener(Debugger* debugger);
virtual ~Listener();
Protocol(DebugServer* debug_server);
virtual ~Protocol();
virtual int Setup() = 0;
virtual int WaitForClient() = 0;
protected:
Debugger* debugger_;
DebugServer* debug_server_;
};
} // namespace dbg
} // namespace debug
} // namespace xe
#endif // XENIA_DBG_LISTENER_H_
#endif // XENIA_DEBUG_PROTOCOL_H_

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/debug/protocols/gdb/gdb_client.h>
#include <xenia/debug/debug_server.h>
using namespace xe;
using namespace xe::debug;
using namespace xe::debug::protocols::gdb;
#if 0
GDBClient::GDBClient(DebugServer* debug_server, int socket_id) :
DebugClient(debug_server),
thread_(NULL),
socket_id_(socket_id) {
mutex_ = xe_mutex_alloc(1000);
loop_ = xe_socket_loop_create(socket_id);
}
GDBClient::~GDBClient() {
xe_mutex_t* mutex = mutex_;
xe_mutex_lock(mutex);
mutex_ = NULL;
xe_socket_close(socket_id_);
socket_id_ = 0;
xe_socket_loop_destroy(loop_);
loop_ = NULL;
xe_mutex_unlock(mutex);
xe_mutex_free(mutex);
xe_thread_release(thread_);
}
int GDBClient::socket_id() {
return socket_id_;
}
int GDBClient::Setup() {
// Prep the socket.
xe_socket_set_keepalive(socket_id_, true);
xe_socket_set_nodelay(socket_id_, true);
thread_ = xe_thread_create("Debugger Client", StartCallback, this);
return xe_thread_start(thread_);
}
void GDBClient::StartCallback(void* param) {
GDBClient* client = reinterpret_cast<GDBClient*>(param);
client->EventThread();
}
namespace {
int64_t WsClientSendCallback(wslay_event_context_ptr ctx,
const uint8_t* data, size_t len, int flags,
void* user_data) {
GDBClient* client = reinterpret_cast<GDBClient*>(user_data);
int error_code = 0;
int64_t r;
while ((r = xe_socket_send(client->socket_id(), data, len, 0,
&error_code)) == -1 && error_code == EINTR);
if (r == -1) {
if (error_code == EAGAIN || error_code == EWOULDBLOCK) {
wslay_event_set_error(ctx, GDBLAY_ERR_WOULDBLOCK);
} else {
wslay_event_set_error(ctx, GDBLAY_ERR_CALLBACK_FAILURE);
}
}
return r;
}
int64_t WsClientRecvCallback(wslay_event_context_ptr ctx,
uint8_t* data, size_t len, int flags,
void* user_data) {
GDBClient* client = reinterpret_cast<GDBClient*>(user_data);
int error_code = 0;
int64_t r;
while ((r = xe_socket_recv(client->socket_id(), data, len, 0,
&error_code)) == -1 && error_code == EINTR);
if (r == -1) {
if (error_code == EAGAIN || error_code == EWOULDBLOCK) {
wslay_event_set_error(ctx, GDBLAY_ERR_WOULDBLOCK);
} else {
wslay_event_set_error(ctx, GDBLAY_ERR_CALLBACK_FAILURE);
}
} else if (r == 0) {
wslay_event_set_error(ctx, GDBLAY_ERR_CALLBACK_FAILURE);
r = -1;
}
return r;
}
void GDBClientOnMsgCallback(wslay_event_context_ptr ctx,
const struct wslay_event_on_msg_recv_arg* arg,
void* user_data) {
if (wslay_is_ctrl_frame(arg->opcode)) {
// Ignore control frames.
return;
}
GDBClient* client = reinterpret_cast<GDBClient*>(user_data);
switch (arg->opcode) {
case GDBLAY_TEXT_FRAME:
XELOGW("Text frame ignored; use binary messages");
break;
case GDBLAY_BINARY_FRAME:
client->OnMessage(arg->msg, arg->msg_length);
break;
default:
// Unknown opcode - some frame stuff?
break;
}
}
std::string EncodeBase64(const uint8_t* input, size_t length) {
static const char b64[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
std::string result;
size_t remaining = length;
size_t n = 0;
while (remaining) {
result.push_back(b64[input[n] >> 2]);
result.push_back(b64[((input[n] & 0x03) << 4) |
((input[n + 1] & 0xf0) >> 4)]);
remaining--;
if (remaining) {
result.push_back(b64[((input[n + 1] & 0x0f) << 2) |
((input[n + 2] & 0xc0) >> 6)]);
remaining--;
} else {
result.push_back('=');
}
if (remaining) {
result.push_back(b64[input[n + 2] & 0x3f]);
remaining--;
} else {
result.push_back('=');
}
n += 3;
}
return result;
}
}
int GDBClient::PerformHandshake() {
std::string headers;
uint8_t buffer[4096];
int error_code = 0;
int64_t r;
while (true) {
while ((r = xe_socket_recv(socket_id_, buffer, sizeof(buffer), 0,
&error_code)) == -1 && error_code == EINTR);
if (r == -1) {
if (error_code == EWOULDBLOCK || error_code == EAGAIN) {
if (!headers.size()) {
// Nothing read yet - spin.
continue;
}
break;
} else {
XELOGE("HTTP header read failure");
return 1;
}
} else if (r == 0) {
// EOF.
XELOGE("HTTP header EOF");
return 2;
} else {
headers.append(buffer, buffer + r);
if (headers.size() > 8192) {
XELOGE("HTTP headers exceeded max buffer size");
return 3;
}
}
}
if (headers.find("\r\n\r\n") == std::string::npos) {
XELOGE("Incomplete HTTP headers: %s", headers.c_str());
return 1;
}
// Parse the headers to verify its a websocket request.
std::string::size_type keyhdstart;
if (headers.find("Upgrade: websocket\r\n") == std::string::npos ||
headers.find("Connection: Upgrade\r\n") == std::string::npos ||
(keyhdstart = headers.find("Sec-WebSocket-Key: ")) ==
std::string::npos) {
XELOGW("HTTP connection does not contain websocket headers");
return 2;
}
keyhdstart += 19;
std::string::size_type keyhdend = headers.find("\r\n", keyhdstart);
std::string client_key = headers.substr(keyhdstart, keyhdend - keyhdstart);
std::string accept_key = client_key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
uint8_t accept_sha[20];
SHA1((uint8_t*)accept_key.c_str(), accept_key.size(), accept_sha);
accept_key = EncodeBase64(accept_sha, sizeof(accept_sha));
// Write the response to upgrade the connection.
std::string response =
"HTTP/1.1 101 Switching Protocols\r\n"
"Upgrade: websocket\r\n"
"Connection: Upgrade\r\n"
"Sec-WebSocket-Accept: " + accept_key + "\r\n"
"\r\n";
size_t write_offset = 0;
size_t write_length = response.size();
while (true) {
while ((r = xe_socket_send(socket_id_,
(uint8_t*)response.c_str() + write_offset,
write_length, 0, &error_code)) == -1 &&
error_code == EINTR);
if (r == -1) {
if (error_code == EAGAIN || error_code == EWOULDBLOCK) {
break;
} else {
XELOGE("HTTP response write failure");
return 4;
}
} else {
write_offset += r;
write_length -= r;
if (!write_length) {
break;
}
}
}
return 0;
}
void GDBClient::EventThread() {
// Enable non-blocking IO on the socket.
xe_socket_set_nonblock(socket_id_, true);
// First run the HTTP handshake.
// This will fail if the connection is not for websockets.
if (PerformHandshake()) {
return;
}
// Prep callbacks.
struct wslay_event_callbacks callbacks = {
(wslay_event_recv_callback)WsClientRecvCallback,
(wslay_event_send_callback)WsClientSendCallback,
NULL,
NULL,
NULL,
NULL,
GDBClientOnMsgCallback,
};
// Prep the websocket server context.
wslay_event_context_ptr ctx;
wslay_event_context_server_init(&ctx, &callbacks, this);
// Loop forever.
while (wslay_event_want_read(ctx) || wslay_event_want_write(ctx)) {
// Wait on the event.
if (xe_socket_loop_poll(loop_,
!!wslay_event_want_read(ctx),
!!wslay_event_want_write(ctx))) {
break;
}
// Handle any self-generated events to queue messages.
if (xe_socket_loop_check_queued_write(loop_)) {
xe_mutex_lock(mutex_);
for (std::vector<struct wslay_event_msg>::iterator it =
pending_messages_.begin(); it != pending_messages_.end(); it++) {
struct wslay_event_msg* msg = &*it;
wslay_event_queue_msg(ctx, msg);
}
pending_messages_.clear();
xe_mutex_unlock(mutex_);
}
// Handle websocket messages.
if ((xe_socket_loop_check_socket_recv(loop_) && wslay_event_recv(ctx)) ||
(xe_socket_loop_check_socket_send(loop_) && wslay_event_send(ctx))) {
// Error handling the event.
XELOGE("Error handling WebSocket data");
break;
}
}
wslay_event_context_free(ctx);
}
void GDBClient::Write(uint8_t** buffers, size_t* lengths, size_t count) {
if (!count) {
return;
}
size_t combined_length;
uint8_t* combined_buffer;
if (count == 1) {
// Single buffer, just copy.
combined_length = lengths[0];
combined_buffer = (uint8_t*)xe_malloc(lengths[0]);
XEIGNORE(xe_copy_memory(combined_buffer, combined_length,
buffers[0], lengths[0]));
} else {
// Multiple buffers, merge.
combined_length = 0;
for (size_t n = 0; n < count; n++) {
combined_length += lengths[n];
}
combined_buffer = (uint8_t*)xe_malloc(combined_length);
for (size_t n = 0, offset = 0; n < count; n++) {
XEIGNORE(xe_copy_memory(
combined_buffer + offset, combined_length - offset,
buffers[n], lengths[n]));
offset += lengths[n];
}
}
struct wslay_event_msg msg = {
GDBLAY_BINARY_FRAME,
combined_buffer,
combined_length,
};
xe_mutex_lock(mutex_);
pending_messages_.push_back(msg);
bool needs_signal = pending_messages_.size() == 1;
xe_mutex_unlock(mutex_);
if (needs_signal) {
// Notify the poll().
xe_socket_loop_set_queued_write(loop_);
}
}
#endif

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_DEBUG_PROTOCOLS_GDB_GDB_CLIENT_H_
#define XENIA_DEBUG_PROTOCOLS_GDB_GDB_CLIENT_H_
#include <xenia/common.h>
#include <xenia/core.h>
#include <vector>
#include <xenia/debug/debug_client.h>
namespace xe {
namespace debug {
namespace protocols {
namespace gdb {
class GDBClient : public DebugClient {
public:
GDBClient(DebugServer* debug_server, int socket_id);
virtual ~GDBClient();
socket_t socket_id();
virtual int Setup();
void Write(uint8_t** buffers, size_t* lengths, size_t count);
private:
static void StartCallback(void* param);
int PerformHandshake();
void EventThread();
xe_thread_ref thread_;
socket_t socket_id_;
xe_socket_loop_t* loop_;
xe_mutex_t* mutex_;
};
} // namespace gdb
} // namespace protocols
} // namespace debug
} // namespace xe
#endif // XENIA_DEBUG_PROTOCOLS_GDB_GDB_CLIENT_H_

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/debug/protocols/gdb/gdb_protocol.h>
#include <xenia/debug/protocols/gdb/gdb_client.h>
#include <gflags/gflags.h>
DEFINE_int32(gdb_debug_port, 6201,
"Remote debugging port for GDB TCP connections.");
using namespace xe;
using namespace xe::debug;
using namespace xe::debug::protocols::gdb;
GDBProtocol::GDBProtocol(DebugServer* debug_server) :
Protocol(debug_server) {
port_ = FLAGS_gdb_debug_port;
}
GDBProtocol::~GDBProtocol() {
if (socket_id_) {
xe_socket_close(socket_id_);
}
}
int GDBProtocol::Setup() {
if (port_ == 0 || port_ == -1) {
return 0;
}
xe_socket_init();
socket_id_ = xe_socket_create_tcp();
if (socket_id_ == XE_INVALID_SOCKET) {
return 1;
}
xe_socket_set_keepalive(socket_id_, true);
xe_socket_set_reuseaddr(socket_id_, true);
xe_socket_set_nodelay(socket_id_, true);
if (xe_socket_bind(socket_id_, port_)) {
XELOGE("Could not bind listen socket: %d", errno);
return 1;
}
if (xe_socket_listen(socket_id_)) {
xe_socket_close(socket_id_);
return 1;
}
return 0;
}
int GDBProtocol::WaitForClient() {
if (!socket_id_) {
return 1;
}
// Accept the first connection we get.
xe_socket_connection_t client_info;
if (xe_socket_accept(socket_id_, &client_info)) {
return 1;
}
XELOGI("GDB debugger connected from %s", client_info.addr);
// Create the client object.
// Note that the client will delete itself when done.
GDBClient* client = new GDBClient(debug_server_, client_info.socket);
if (client->Setup()) {
// Client failed to setup - abort.
return 1;
}
return 0;
}

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_DEBUG_PROTOCOLS_GDB_GDB_PROTOCOL_H_
#define XENIA_DEBUG_PROTOCOLS_GDB_GDB_PROTOCOL_H_
#include <xenia/common.h>
#include <xenia/core.h>
#include <xenia/debug/protocol.h>
XEDECLARECLASS2(xe, debug, DebugServer);
namespace xe {
namespace debug {
namespace protocols {
namespace gdb {
class GDBProtocol : public Protocol {
public:
GDBProtocol(DebugServer* debug_server);
virtual ~GDBProtocol();
virtual int Setup();
virtual int WaitForClient();
protected:
uint32_t port_;
socket_t socket_id_;
};
} // namespace gdb
} // namespace protocols
} // namespace debug
} // namespace xe
#endif // XENIA_DEBUG_PROTOCOLS_GDB_GDB_PROTOCOL_H_

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# Copyright 2013 Ben Vanik. All Rights Reserved.
{
'sources': [
'gdb_client.cc',
'gdb_client.h',
'gdb_protocol.cc',
'gdb_protocol.h',
],
}

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# Copyright 2013 Ben Vanik. All Rights Reserved.
{
'includes': [
'gdb/sources.gypi',
'ws/sources.gypi',
],
}

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/debug/protocols/ws/simple_sha1.h>
#if XE_PLATFORM(WIN32)
#include <winsock2.h>
#else
#include <arpa/inet.h>
#endif // WIN32
using namespace xe;
using namespace xe::debug::protocols::ws;
namespace {
// http://git.kernel.org/?p=git/git.git;a=blob;f=block-sha1/sha1.c
/*
* SHA1 routine optimized to do word accesses rather than byte accesses,
* and to avoid unnecessary copies into the context array.
*
* This was initially based on the Mozilla SHA1 implementation, although
* none of the original Mozilla code remains.
*/
typedef struct {
size_t size;
uint32_t H[5];
uint32_t W[16];
} SHA_CTX;
#define SHA_ROT(X,l,r) (((X) << (l)) | ((X) >> (r)))
#define SHA_ROL(X,n) SHA_ROT(X,n,32-(n))
#define SHA_ROR(X,n) SHA_ROT(X,32-(n),n)
#define setW(x, val) (*(volatile unsigned int *)&W(x) = (val))
#define get_be32(p) ntohl(*(unsigned int *)(p))
#define put_be32(p, v) do { *(unsigned int *)(p) = htonl(v); } while (0)
#define W(x) (array[(x)&15])
#define SHA_SRC(t) get_be32((unsigned char *) block + (t)*4)
#define SHA_MIX(t) SHA_ROL(W((t)+13) ^ W((t)+8) ^ W((t)+2) ^ W(t), 1);
#define SHA_ROUND(t, input, fn, constant, A, B, C, D, E) do { \
unsigned int TEMP = input(t); setW(t, TEMP); \
E += TEMP + SHA_ROL(A,5) + (fn) + (constant); \
B = SHA_ROR(B, 2); } while (0)
#define T_0_15(t, A, B, C, D, E) SHA_ROUND(t, SHA_SRC, (((C^D)&B)^D) , 0x5a827999, A, B, C, D, E )
#define T_16_19(t, A, B, C, D, E) SHA_ROUND(t, SHA_MIX, (((C^D)&B)^D) , 0x5a827999, A, B, C, D, E )
#define T_20_39(t, A, B, C, D, E) SHA_ROUND(t, SHA_MIX, (B^C^D) , 0x6ed9eba1, A, B, C, D, E )
#define T_40_59(t, A, B, C, D, E) SHA_ROUND(t, SHA_MIX, ((B&C)+(D&(B^C))) , 0x8f1bbcdc, A, B, C, D, E )
#define T_60_79(t, A, B, C, D, E) SHA_ROUND(t, SHA_MIX, (B^C^D) , 0xca62c1d6, A, B, C, D, E )
static void SHA1_Block(SHA_CTX *ctx, const void *block) {
uint32_t A = ctx->H[0];
uint32_t B = ctx->H[1];
uint32_t C = ctx->H[2];
uint32_t D = ctx->H[3];
uint32_t E = ctx->H[4];
uint32_t array[16];
/* Round 1 - iterations 0-16 take their input from 'block' */
T_0_15( 0, A, B, C, D, E);
T_0_15( 1, E, A, B, C, D);
T_0_15( 2, D, E, A, B, C);
T_0_15( 3, C, D, E, A, B);
T_0_15( 4, B, C, D, E, A);
T_0_15( 5, A, B, C, D, E);
T_0_15( 6, E, A, B, C, D);
T_0_15( 7, D, E, A, B, C);
T_0_15( 8, C, D, E, A, B);
T_0_15( 9, B, C, D, E, A);
T_0_15(10, A, B, C, D, E);
T_0_15(11, E, A, B, C, D);
T_0_15(12, D, E, A, B, C);
T_0_15(13, C, D, E, A, B);
T_0_15(14, B, C, D, E, A);
T_0_15(15, A, B, C, D, E);
/* Round 1 - tail. Input from 512-bit mixing array */
T_16_19(16, E, A, B, C, D);
T_16_19(17, D, E, A, B, C);
T_16_19(18, C, D, E, A, B);
T_16_19(19, B, C, D, E, A);
/* Round 2 */
T_20_39(20, A, B, C, D, E);
T_20_39(21, E, A, B, C, D);
T_20_39(22, D, E, A, B, C);
T_20_39(23, C, D, E, A, B);
T_20_39(24, B, C, D, E, A);
T_20_39(25, A, B, C, D, E);
T_20_39(26, E, A, B, C, D);
T_20_39(27, D, E, A, B, C);
T_20_39(28, C, D, E, A, B);
T_20_39(29, B, C, D, E, A);
T_20_39(30, A, B, C, D, E);
T_20_39(31, E, A, B, C, D);
T_20_39(32, D, E, A, B, C);
T_20_39(33, C, D, E, A, B);
T_20_39(34, B, C, D, E, A);
T_20_39(35, A, B, C, D, E);
T_20_39(36, E, A, B, C, D);
T_20_39(37, D, E, A, B, C);
T_20_39(38, C, D, E, A, B);
T_20_39(39, B, C, D, E, A);
/* Round 3 */
T_40_59(40, A, B, C, D, E);
T_40_59(41, E, A, B, C, D);
T_40_59(42, D, E, A, B, C);
T_40_59(43, C, D, E, A, B);
T_40_59(44, B, C, D, E, A);
T_40_59(45, A, B, C, D, E);
T_40_59(46, E, A, B, C, D);
T_40_59(47, D, E, A, B, C);
T_40_59(48, C, D, E, A, B);
T_40_59(49, B, C, D, E, A);
T_40_59(50, A, B, C, D, E);
T_40_59(51, E, A, B, C, D);
T_40_59(52, D, E, A, B, C);
T_40_59(53, C, D, E, A, B);
T_40_59(54, B, C, D, E, A);
T_40_59(55, A, B, C, D, E);
T_40_59(56, E, A, B, C, D);
T_40_59(57, D, E, A, B, C);
T_40_59(58, C, D, E, A, B);
T_40_59(59, B, C, D, E, A);
/* Round 4 */
T_60_79(60, A, B, C, D, E);
T_60_79(61, E, A, B, C, D);
T_60_79(62, D, E, A, B, C);
T_60_79(63, C, D, E, A, B);
T_60_79(64, B, C, D, E, A);
T_60_79(65, A, B, C, D, E);
T_60_79(66, E, A, B, C, D);
T_60_79(67, D, E, A, B, C);
T_60_79(68, C, D, E, A, B);
T_60_79(69, B, C, D, E, A);
T_60_79(70, A, B, C, D, E);
T_60_79(71, E, A, B, C, D);
T_60_79(72, D, E, A, B, C);
T_60_79(73, C, D, E, A, B);
T_60_79(74, B, C, D, E, A);
T_60_79(75, A, B, C, D, E);
T_60_79(76, E, A, B, C, D);
T_60_79(77, D, E, A, B, C);
T_60_79(78, C, D, E, A, B);
T_60_79(79, B, C, D, E, A);
ctx->H[0] += A;
ctx->H[1] += B;
ctx->H[2] += C;
ctx->H[3] += D;
ctx->H[4] += E;
}
void SHA1_Update(SHA_CTX *ctx, const void *data, unsigned long len)
{
uint32_t lenW = ctx->size & 63;
ctx->size += len;
if (lenW) {
uint32_t left = 64 - lenW;
if (len < left) {
left = len;
}
memcpy(lenW + (char *)ctx->W, data, left);
lenW = (lenW + left) & 63;
len -= left;
data = ((const char *)data + left);
if (lenW) {
return;
}
SHA1_Block(ctx, ctx->W);
}
while (len >= 64) {
SHA1_Block(ctx, data);
data = ((const char *)data + 64);
len -= 64;
}
if (len) {
memcpy(ctx->W, data, len);
}
}
}
void xe::debug::protocols::ws::SHA1(
const uint8_t* data, size_t length, uint8_t out_hash[20]) {
static const uint8_t pad[64] = { 0x80 };
SHA_CTX ctx = {
0,
{
0x67452301,
0xefcdab89,
0x98badcfe,
0x10325476,
0xc3d2e1f0,
},
{ 0 }
};
SHA1_Update(&ctx, data, (unsigned long)length);
uint32_t padlen[2] = {
htonl((uint32_t)(ctx.size >> 29)),
htonl((uint32_t)(ctx.size << 3)),
};
size_t i = ctx.size & 63;
SHA1_Update(&ctx, pad, 1 + (63 & (55 - i)));
SHA1_Update(&ctx, padlen, 8);
for (size_t n = 0; n < 5; n++) {
put_be32(out_hash + n * 4, ctx.H[n]);
}
}

View File

@ -0,0 +1,35 @@
/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2013 Ben Vanik. All rights reserved. *
* Released under the BSD license = see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_DEBUG_PROTOCOLS_WS_SIMPLE_SHA1_H_
#define XENIA_DEBUG_PROTOCOLS_WS_SIMPLE_SHA1_H_
#include <xenia/common.h>
#include <xenia/core.h>
namespace xe {
namespace debug {
namespace protocols {
namespace ws {
// This is a (likely) slow SHA1 designed for use on small values such as
// Websocket security keys. If we need something more complex it'd be best
// to use a real library.
void SHA1(const uint8_t* data, size_t length, uint8_t out_hash[20]);
} // namespace ws
} // namespace protocols
} // namespace debug
} // namespace xe
#endif // XENIA_DEBUG_PROTOCOLS_WS_SIMPLE_SHA1_H_

View File

@ -0,0 +1,11 @@
# Copyright 2013 Ben Vanik. All Rights Reserved.
{
'sources': [
'simple_sha1.cc',
'simple_sha1.h',
'ws_client.cc',
'ws_client.h',
'ws_protocol.cc',
'ws_protocol.h',
],
}

View File

@ -7,10 +7,10 @@
******************************************************************************
*/
#include <xenia/dbg/ws_client.h>
#include <xenia/debug/protocols/ws/ws_client.h>
#include <xenia/dbg/debugger.h>
#include <xenia/dbg/simple_sha1.h>
#include <xenia/debug/debug_server.h>
#include <xenia/debug/protocols/ws/simple_sha1.h>
#if XE_PLATFORM(WIN32)
// Required for wslay.
@ -21,11 +21,12 @@ typedef SSIZE_T ssize_t;
using namespace xe;
using namespace xe::dbg;
using namespace xe::debug;
using namespace xe::debug::protocols::ws;
WsClient::WsClient(Debugger* debugger, int socket_id) :
Client(debugger),
WSClient::WSClient(DebugServer* debug_server, int socket_id) :
DebugClient(debug_server),
thread_(NULL),
socket_id_(socket_id) {
mutex_ = xe_mutex_alloc(1000);
@ -33,7 +34,7 @@ WsClient::WsClient(Debugger* debugger, int socket_id) :
loop_ = xe_socket_loop_create(socket_id);
}
WsClient::~WsClient() {
WSClient::~WSClient() {
xe_mutex_t* mutex = mutex_;
xe_mutex_lock(mutex);
@ -51,30 +52,30 @@ WsClient::~WsClient() {
xe_thread_release(thread_);
}
int WsClient::socket_id() {
int WSClient::socket_id() {
return socket_id_;
}
int WsClient::Setup() {
int WSClient::Setup() {
// Prep the socket.
xe_socket_set_keepalive(socket_id_, true);
xe_socket_set_nodelay(socket_id_, true);
thread_ = xe_thread_create("Debugger Client", StartCallback, this);
thread_ = xe_thread_create("WS Debugger Client", StartCallback, this);
return xe_thread_start(thread_);
}
void WsClient::StartCallback(void* param) {
WsClient* client = reinterpret_cast<WsClient*>(param);
void WSClient::StartCallback(void* param) {
WSClient* client = reinterpret_cast<WSClient*>(param);
client->EventThread();
}
namespace {
int64_t WsClientSendCallback(wslay_event_context_ptr ctx,
int64_t WSClientSendCallback(wslay_event_context_ptr ctx,
const uint8_t* data, size_t len, int flags,
void* user_data) {
WsClient* client = reinterpret_cast<WsClient*>(user_data);
WSClient* client = reinterpret_cast<WSClient*>(user_data);
int error_code = 0;
int64_t r;
@ -90,10 +91,10 @@ int64_t WsClientSendCallback(wslay_event_context_ptr ctx,
return r;
}
int64_t WsClientRecvCallback(wslay_event_context_ptr ctx,
int64_t WSClientRecvCallback(wslay_event_context_ptr ctx,
uint8_t* data, size_t len, int flags,
void* user_data) {
WsClient* client = reinterpret_cast<WsClient*>(user_data);
WSClient* client = reinterpret_cast<WSClient*>(user_data);
int error_code = 0;
int64_t r;
@ -112,7 +113,7 @@ int64_t WsClientRecvCallback(wslay_event_context_ptr ctx,
return r;
}
void WsClientOnMsgCallback(wslay_event_context_ptr ctx,
void WSClientOnMsgCallback(wslay_event_context_ptr ctx,
const struct wslay_event_on_msg_recv_arg* arg,
void* user_data) {
if (wslay_is_ctrl_frame(arg->opcode)) {
@ -120,13 +121,13 @@ void WsClientOnMsgCallback(wslay_event_context_ptr ctx,
return;
}
WsClient* client = reinterpret_cast<WsClient*>(user_data);
WSClient* client = reinterpret_cast<WSClient*>(user_data);
switch (arg->opcode) {
case WSLAY_TEXT_FRAME:
XELOGW("Text frame ignored; use binary messages");
break;
case WSLAY_BINARY_FRAME:
client->OnMessage(arg->msg, arg->msg_length);
//client->OnMessage(arg->msg, arg->msg_length);
break;
default:
// Unknown opcode - some frame stuff?
@ -165,7 +166,7 @@ std::string EncodeBase64(const uint8_t* input, size_t length) {
}
int WsClient::PerformHandshake() {
int WSClient::PerformHandshake() {
std::string headers;
uint8_t buffer[4096];
int error_code = 0;
@ -252,7 +253,7 @@ int WsClient::PerformHandshake() {
return 0;
}
void WsClient::EventThread() {
void WSClient::EventThread() {
// Enable non-blocking IO on the socket.
xe_socket_set_nonblock(socket_id_, true);
@ -264,13 +265,13 @@ void WsClient::EventThread() {
// Prep callbacks.
struct wslay_event_callbacks callbacks = {
(wslay_event_recv_callback)WsClientRecvCallback,
(wslay_event_send_callback)WsClientSendCallback,
(wslay_event_recv_callback)WSClientRecvCallback,
(wslay_event_send_callback)WSClientSendCallback,
NULL,
NULL,
NULL,
NULL,
WsClientOnMsgCallback,
WSClientOnMsgCallback,
};
// Prep the websocket server context.
@ -310,7 +311,7 @@ void WsClient::EventThread() {
wslay_event_context_free(ctx);
}
void WsClient::Write(uint8_t** buffers, size_t* lengths, size_t count) {
void WSClient::Write(uint8_t** buffers, size_t* lengths, size_t count) {
if (!count) {
return;
}

View File

@ -7,34 +7,36 @@
******************************************************************************
*/
#ifndef XENIA_DBG_WS_CLIENT_H_
#define XENIA_DBG_WS_CLIENT_H_
#ifndef XENIA_DEBUG_PROTOCOLS_WS_WS_CLIENT_H_
#define XENIA_DEBUG_PROTOCOLS_WS_WS_CLIENT_H_
#include <xenia/common.h>
#include <xenia/core.h>
#include <vector>
#include <xenia/dbg/client.h>
#include <xenia/debug/debug_client.h>
struct wslay_event_msg;
namespace xe {
namespace dbg {
namespace debug {
namespace protocols {
namespace ws {
class WsClient : public Client {
class WSClient : public DebugClient {
public:
WsClient(Debugger* debugger, int socket_id);
virtual ~WsClient();
WSClient(DebugServer* debug_server, int socket_id);
virtual ~WSClient();
socket_t socket_id();
virtual int Setup();
virtual void Write(uint8_t** buffers, size_t* lengths, size_t count);
void Write(uint8_t** buffers, size_t* lengths, size_t count);
private:
static void StartCallback(void* param);
@ -42,7 +44,7 @@ private:
int PerformHandshake();
void EventThread();
xe_thread_ref thread_;
xe_thread_ref thread_;
socket_t socket_id_;
xe_socket_loop_t* loop_;
@ -51,8 +53,10 @@ private:
};
} // namespace dbg
} // namespace ws
} // namespace protocols
} // namespace debug
} // namespace xe
#endif // XENIA_DBG_WS_CLIENT_H_
#endif // XENIA_DEBUG_PROTOCOLS_WS_WS_CLIENT_H_

View File

@ -7,28 +7,38 @@
******************************************************************************
*/
#include <xenia/dbg/ws_listener.h>
#include <xenia/debug/protocols/ws/ws_protocol.h>
#include <xenia/dbg/ws_client.h>
#include <xenia/debug/protocols/ws/ws_client.h>
#include <gflags/gflags.h>
using namespace xe;
using namespace xe::dbg;
using namespace xe::debug;
using namespace xe::debug::protocols::ws;
WsListener::WsListener(Debugger* debugger, uint32_t port) :
Listener(debugger),
port_(port) {
DEFINE_int32(ws_debug_port, 6200,
"Remote debugging port for ws:// connections.");
WSProtocol::WSProtocol(DebugServer* debug_server) :
Protocol(debug_server) {
port_ = FLAGS_ws_debug_port;
}
WsListener::~WsListener() {
WSProtocol::~WSProtocol() {
if (socket_id_) {
xe_socket_close(socket_id_);
}
}
int WsListener::Setup() {
int WSProtocol::Setup() {
if (port_ == 0 || port_ == -1) {
return 0;
}
xe_socket_init();
socket_id_ = xe_socket_create_tcp();
@ -53,18 +63,22 @@ int WsListener::Setup() {
return 0;
}
int WsListener::WaitForClient() {
int WSProtocol::WaitForClient() {
if (!socket_id_) {
return 1;
}
// Accept the first connection we get.
xe_socket_connection_t client_info;
if (xe_socket_accept(socket_id_, &client_info)) {
return 1;
}
XELOGI("Debugger connected from %s", client_info.addr);
XELOGI("WS debugger connected from %s", client_info.addr);
// Create the client object.
// Note that the client will delete itself when done.
WsClient* client = new WsClient(debugger_, client_info.socket);
WSClient* client = new WSClient(debug_server_, client_info.socket);
if (client->Setup()) {
// Client failed to setup - abort.
return 1;

View File

@ -7,26 +7,28 @@
******************************************************************************
*/
#ifndef XENIA_DBG_WS_LISTENER_H_
#define XENIA_DBG_WS_LISTENER_H_
#ifndef XENIA_DEBUG_PROTOCOLS_WS_WS_PROTOCOL_H_
#define XENIA_DEBUG_PROTOCOLS_WS_WS_PROTOCOL_H_
#include <xenia/common.h>
#include <xenia/core.h>
#include <xenia/dbg/listener.h>
#include <xenia/debug/protocol.h>
XEDECLARECLASS2(xe, debug, DebugServer);
namespace xe {
namespace dbg {
namespace debug {
namespace protocols {
namespace ws {
class Debugger;
class WsListener : public Listener {
class WSProtocol : public Protocol {
public:
WsListener(Debugger* debugger, uint32_t port);
virtual ~WsListener();
WSProtocol(DebugServer* debug_server);
virtual ~WSProtocol();
virtual int Setup();
virtual int WaitForClient();
@ -38,8 +40,10 @@ protected:
};
} // namespace dbg
} // namespace ws
} // namespace protocols
} // namespace debug
} // namespace xe
#endif // XENIA_DBG_WS_LISTENER_H_
#endif // XENIA_DEBUG_PROTOCOLS_WS_WS_PROTOCOL_H_

View File

@ -0,0 +1,15 @@
# Copyright 2013 Ben Vanik. All Rights Reserved.
{
'sources': [
'debug_client.cc',
'debug_client.h',
'debug_server.cc',
'debug_server.h',
'protocol.cc',
'protocol.h',
],
'includes': [
'protocols/sources.gypi',
],
}

View File

@ -12,7 +12,7 @@
#include <xenia/apu/apu.h>
#include <xenia/cpu/cpu.h>
#include <xenia/cpu/xenon_memory.h>
#include <xenia/dbg/debugger.h>
#include <xenia/debug/debug_server.h>
#include <xenia/gpu/gpu.h>
#include <xenia/hid/hid.h>
#include <xenia/kernel/kernel.h>
@ -23,7 +23,7 @@
using namespace xe;
using namespace xe::apu;
using namespace xe::cpu;
using namespace xe::dbg;
using namespace xe::debug;
using namespace xe::gpu;
using namespace xe::hid;
using namespace xe::kernel;
@ -34,7 +34,7 @@ using namespace xe::kernel::xboxkrnl::fs;
Emulator::Emulator(const xechar_t* command_line) :
memory_(0),
debugger_(0),
debug_server_(0),
processor_(0),
audio_system_(0), graphics_system_(0), input_system_(0),
export_resolver_(0), file_system_(0),
@ -45,6 +45,11 @@ Emulator::Emulator(const xechar_t* command_line) :
Emulator::~Emulator() {
// Note that we delete things in the reverse order they were initialized.
// Disconnect all debug clients first.
if (debug_server_) {
debug_server_->Shutdown();
}
delete xam_;
delete xboxkrnl_;
@ -55,7 +60,7 @@ Emulator::~Emulator() {
delete audio_system_;
delete processor_;
delete debugger_;
delete debug_server_;
delete export_resolver_;
}
@ -74,8 +79,8 @@ X_STATUS Emulator::Setup() {
XEEXPECTNOTNULL(export_resolver_);
// Create the debugger.
debugger_ = new Debugger(this);
XEEXPECTNOTNULL(debugger_);
debug_server_ = new DebugServer(this);
XEEXPECTNOTNULL(debug_server_);
// Initialize the CPU.
processor_ = new Processor(this);
@ -115,7 +120,7 @@ X_STATUS Emulator::Setup() {
// Prepare the debugger.
// This may pause waiting for connections.
result = debugger_->Startup();
result = debug_server_->Startup();
XEEXPECTZERO(result);
return result;

View File

@ -18,7 +18,7 @@
XEDECLARECLASS1(xe, ExportResolver);
XEDECLARECLASS2(xe, apu, AudioSystem);
XEDECLARECLASS2(xe, cpu, Processor);
XEDECLARECLASS2(xe, dbg, Debugger);
XEDECLARECLASS2(xe, debug, DebugServer);
XEDECLARECLASS2(xe, gpu, GraphicsSystem);
XEDECLARECLASS2(xe, hid, InputSystem);
XEDECLARECLASS3(xe, kernel, xam, XamModule);
@ -37,7 +37,7 @@ public:
const xechar_t* command_line() const { return command_line_; }
Memory* memory() const { return memory_; }
dbg::Debugger* debugger() const { return debugger_; }
debug::DebugServer* debug_server() const { return debug_server_; }
cpu::Processor* processor() const { return processor_; }
apu::AudioSystem* audio_system() const { return audio_system_; }
@ -57,7 +57,7 @@ private:
xechar_t command_line_[XE_MAX_PATH];
Memory* memory_;
dbg::Debugger* debugger_;
debug::DebugServer* debug_server_;
cpu::Processor* processor_;
apu::AudioSystem* audio_system_;

View File

@ -29,7 +29,7 @@
'apu/sources.gypi',
'core/sources.gypi',
'cpu/sources.gypi',
'dbg/sources.gypi',
'debug/sources.gypi',
'gpu/sources.gypi',
'hid/sources.gypi',
'kernel/sources.gypi',

1
third_party/wslay vendored Submodule

@ -0,0 +1 @@
Subproject commit b3571f1ed27093e910ab8675d0c8333e5a2818ea

59
third_party/wslay.gypi vendored Normal file
View File

@ -0,0 +1,59 @@
# Copyright 2013 Ben Vanik. All Rights Reserved.
{
'targets': [
{
'target_name': 'wslay',
'type': '<(library)',
'direct_dependent_settings': {
'include_dirs': [
'wslay/lib/includes/',
],
'defines': [
'WSLAY_VERSION=1',
],
# libraries: ws2_32 on windows
},
'defines': [
'WSLAY_VERSION="1"',
],
'conditions': [
['OS != "win"', {
'defines': [
'HAVE_ARPA_INET_H=1',
'HAVE_NETINET_IN_H=1',
],
}],
['OS == "win"', {
'defines': [
'HAVE_WINSOCK2_H=1',
'ssize_t=long long',
],
}],
],
'include_dirs': [
'wslay/lib/',
'wslay/lib/includes/',
],
'sources': [
'wslay/lib/includes/wslay/wslay.h',
'wslay/lib/wslay_event.c',
'wslay/lib/wslay_event.h',
'wslay/lib/wslay_frame.c',
'wslay/lib/wslay_frame.h',
'wslay/lib/wslay_net.c',
'wslay/lib/wslay_net.h',
'wslay/lib/wslay_queue.c',
'wslay/lib/wslay_queue.h',
'wslay/lib/wslay_stack.c',
'wslay/lib/wslay_stack.h',
],
}
]
}

View File

@ -6,6 +6,7 @@
'third_party/beaengine.gypi',
'third_party/gflags.gypi',
'third_party/sparsehash.gypi',
'third_party/wslay.gypi',
],
'default_configuration': 'release',
@ -248,12 +249,14 @@
'asmjit',
'beaengine',
'gflags',
'wslay',
'alloy',
],
'export_dependent_settings': [
'asmjit',
'beaengine',
'gflags',
'wslay',
'alloy',
],