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Improve debug server functionality and appearence

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This commit is contained in:
Daniel Evans 2015-07-06 00:54:13 +01:00
parent 868883fd36
commit 4ce275c381
5 changed files with 196 additions and 12 deletions
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2
rwengine/include/script/ScriptMachine.hpp
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@ -174,6 +174,8 @@ public:
SCMFile* getFile() const { return _file; }
SCMOpcodes* getOpcodes() const { return _ops; }
void startThread(SCMThread::pc_t start, bool mission = false);
std::vector<SCMThread>& getThreads() { return _activeThreads; }

1
rwengine/src/engine/SaveGame.cpp
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@ -415,6 +415,7 @@ bool SaveGame::loadGame(GameState& state, const std::string& file)
state.script->startThread(scripts[s].programCounter);
SCMThread& thread = threads.back();
// thread.baseAddress // ??
strncpy(thread.name, scripts[s].name, sizeof(SCMThread::name)-1);
thread.conditionResult = scripts[s].ifFlag;
thread.conditionCount = scripts[s].ifNumber;
thread.stackDepth = scripts[s].stackCounter;

10
rwgame/RWGame.cpp
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@ -225,6 +225,11 @@ void RWGame::startScript(const std::string& name)
opcodes->modules.push_back(new ObjectModule);
script = new ScriptMachine(state, f, opcodes);
/* If Debug server is available, break on the first opcode executed */
if( httpserver ) {
script->interuptNext();
}
// Set up breakpoint handler
script->setBreakpointHandler(
@ -328,6 +333,11 @@ int RWGame::run()
window.display();
}
if( httpserver_thread )
{
httpserver_thread->join();
}
return 0;
}

186
rwgame/debug/HttpServer.cpp
View File

@ -24,6 +24,12 @@ app.controller('DebugCtrl', function($scope,$http) {
$scope.refresh();
});
}
$scope.step = function() {
var promise = $http.get('/step')
.success(function(data, status, headers, config) {
$scope.refresh();
});
}
$scope.continue = function() {
var promise = $http.get('/continue')
.success(function(data, status, headers, config) {
@ -39,13 +45,32 @@ const char* src_page = R"(
<html ng-app="debugApp">
<head>
<style type="text/css">
html,body { font-family: sans-serif; }
html,body { font-family: sans-serif; }
.disassembly {
background: white;
border: 1px solid #CCC
}
.disassembly .breakpoint {
background: #CFC
}
.disassembly .line-number {
width: 6em;
text-align: right;
margin-right: 0.75em;
padding-left: 0.25em;
background: #F6F6F6;
border-right: solid 1px #EEE;
}
</style>
</style>
<body ng-controller="DebugCtrl">
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.1/angular.min.js"></script>
<h1>OpenRW Debugger</h1>
<button ng-click="interrupt();">Interrupt</button> <button ng-click="continue();">Continue</button>
<div class="debugger-controlls">
<button ng-click="interrupt();">Interrupt</button>
<button ng-click="step();">Step</button>
<button ng-click="continue();">Continue</button>
</div>
<span id="running" style="background: green; color: white; padding: 2px; border-radius: 2px" ng-show="running">Game is running</span>
<div>
<h2>Threads</h2>
@ -54,6 +79,35 @@ const char* src_page = R"(
<h3>{{thread.name}}</h3>
<i>program counter: </i> {{thread.program_counter}}<br>
<i>wake counter: </i> {{thread.wake_counter}} ms<br>
<h4>Return Stack</h4>
<ol>
<li ng-repeat="return_address in thread.call_stack">
Address {{return_address}}
</li>
</ol>
<h4>Disassembly</h4>
<div class="disassembly">
<div ng-repeat="call in thread.disassembly" class="instruction">
<span class="line-number">
{{ call.address }}
</span>
<span class="function">
{{call.function }}
</span>
<span class="parameters">
(
<span class="param" ng-repeat="param in call.arguments">
{{param.value}}<span ng-show="!$last">,</span>
</span>
)
</span>
</div>
</div>
<ol>
<li ng-repeat="return_address in thread.call_stack">
Address {{return_address}}
</li>
</ol>
</li>
</ul>
</div>
@ -68,12 +122,12 @@ HttpServer::HttpServer(RWGame* game, GameWorld* world)
void HttpServer::run()
{
listener.listen(8091);
listener.reuse();
listener.create();
listener.listen(8091);
std::cout << "STARTING HTTP SERVER" << std::endl;
while (true) {
while ( game->getWindow().isOpen() ) {
sf::TcpSocket client;
if (listener.accept(client) == sf::Socket::Done) {
std::cout << "New connection from "
@ -113,6 +167,114 @@ void HttpServer::handleBreakpoint(const SCMBreakpoint &bp)
// Do nothing
}
}
std::string thread_stack(SCMThread& th)
{
std::stringstream ss;
for(unsigned int i = 0; i < th.stackDepth; ++i)
{
bool last = (th.stackDepth == i+1);
ss << th.calls[i]
<< (last ? "" : ",");
}
return ss.str();
}
#include <script/ScriptDisassembly.hpp>
std::string describe_parameter(SCMOpcodeParameter& p)
{
std::stringstream ss;
switch(p.type) {
case TGlobal:
ss << "G: " << p.globalPtr;
break;
case TLocal:
ss << "L: " << p.globalPtr;
break;
case TInt8:
ss << "i8: " << std::dec << (uint16_t)((uint8_t)p.integer);
break;
case TInt16:
ss << "i16: " << std::dec << (uint16_t)p.integer;
break;
case TInt32:
ss << "i32: " << std::dec << (uint32_t)p.integer;
break;
case TString:
ss << "str: \\\"" << p.string << "\\\"";
break;
case TFloat16:
ss << "f16: " << p.real;
break;
default:
ss << "OTHER";
break;
}
return ss.str();
}
std::string thread_disassembly(ScriptMachine* script, SCMThread& th)
{
std::stringstream ss;
ScriptDisassembly ds(script->getOpcodes(), script->getFile());
try {
ds.disassemble(th.programCounter);
}
catch(SCMException& ex)
{
}
auto it = ds.getInstructions().find(th.programCounter);
for( int i = 0; i < 5 && it != ds.getInstructions().end(); ++i ) {
bool last = i+1 == 5;
last = last || it == --ds.getInstructions().end();
auto opcode = it->second.opcode;
ScriptFunctionMeta* meta = nullptr;
ss << "{";
if( script->getOpcodes()->findOpcode((uint16_t)opcode, &meta) )
{
ss << "\"address\": " << it->first << ","
<< "\"function\": \"" << meta->signature << "\","
<< "\"arguments\": [";
SCMParams& parameters = it->second.parameters;
for(size_t p = 0; p < parameters.size(); ++p)
{
if(p != 0)
ss << ",";
ss << "{"
<< "\"type\": " << parameters[p].type << ","
<< "\"value\": \"" << describe_parameter(parameters[p]) << "\""
<< "}";
}
ss << "]";
}
else
{
ss << "\"err\":\"err\"";
}
ss << (last ? "}" : "},");
it++;
}
return ss.str();
}
std::string thread(ScriptMachine* script, SCMThread& th)
{
std::stringstream ss;
ss << "{"
<< "\"program_counter\": " << th.programCounter << ","
<< "\"name\": \"" << th.name << "\","
<< "\"wake_counter\": " << th.wakeCounter << ","
<< "\"call_stack\": [" << thread_stack(th) << "],"
<< "\"disassembly\": [" << thread_disassembly(script, th) << "]"
<< "}";
return ss.str();
}
std::string HttpServer::getState() const
{
@ -128,11 +290,7 @@ std::string HttpServer::getState() const
{
SCMThread& th = game->getScript()->getThreads()[i];
bool last = (game->getScript()->getThreads().size() == i+1);
ss << "{"
<< "\"program_counter\": " << th.programCounter << ","
<< "\"name\": \"" << th.name << "\","
<< "\"wake_counter\": " << th.wakeCounter << ""
<< (last ? "}" : "},");
ss << thread(game->getScript(), th) << (last ? "" : ",");
}
ss << R"(])";
ss << "}";
@ -159,6 +317,14 @@ std::string HttpServer::dispatch(std::string method, std::string path)
ss << getState();
mime = "application/json";
}
else if(path == "/step") {
if( paused ) {
game->getScript()->interuptNext();
paused = false;
}
ss << getState();
mime = "application/json";
}
else if(path == "/continue") {
paused = false;
ss << getState();

9
rwgame/debug/HttpServer.hpp
View File

@ -13,9 +13,14 @@
class ReuseableListener : public sf::TcpListener
{
public:
void reuse() {
void create() {
char reuse = 1;
setsockopt(getHandle(), SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse));
sf::SocketHandle handle = socket(PF_INET, SOCK_STREAM, 0);
if( setsockopt(handle, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof(reuse)) < 0 )
{
std::cerr << "Failed to set socket SO_REUSEADDR: errno = " << errno << std::endl;
}
Socket::create(handle);
}
};