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Luma3DS-3GX/sysmodules/rosalina/source/menus/debugger.c

250 lines
8.1 KiB
C

/*
* This file is part of Luma3DS
* Copyright (C) 2016-2020 Aurora Wright, TuxSH
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional Terms 7.b and 7.c of GPLv3 apply to this file:
* * Requiring preservation of specified reasonable legal notices or
* author attributions in that material or in the Appropriate Legal
* Notices displayed by works containing it.
* * Prohibiting misrepresentation of the origin of that material,
* or requiring that modified versions of such material be marked in
* reasonable ways as different from the original version.
*/
#include "menus/debugger.h"
#include "memory.h"
#include "draw.h"
#include "minisoc.h"
#include "fmt.h"
#include "pmdbgext.h"
#include "gdb/server.h"
#include "gdb/debug.h"
#include "gdb/monitor.h"
#include "gdb/net.h"
#include "pmdbgext.h"
Menu debuggerMenu = {
"Debugger options menu",
{
{ "Enable debugger", METHOD, .method = &DebuggerMenu_EnableDebugger },
{ "Disable debugger", METHOD, .method = &DebuggerMenu_DisableDebugger },
{ "Force-debug next application at launch", METHOD, .method = &DebuggerMenu_DebugNextApplicationByForce },
{},
}
};
static MyThread debuggerSocketThread;
static MyThread debuggerDebugThread;
static u8 ALIGN(8) debuggerSocketThreadStack[0x5000];
static u8 ALIGN(8) debuggerDebugThreadStack[0x3000];
GDBServer gdbServer = { 0 };
GDBContext *nextApplicationGdbCtx = NULL;
void debuggerSocketThreadMain(void);
MyThread *debuggerCreateSocketThread(void)
{
MyThread_Create(&debuggerSocketThread, debuggerSocketThreadMain, debuggerSocketThreadStack, 0x5000, 0x20, CORE_SYSTEM);
return &debuggerSocketThread;
}
void debuggerDebugThreadMain(void);
MyThread *debuggerCreateDebugThread(void)
{
MyThread_Create(&debuggerDebugThread, debuggerDebugThreadMain, debuggerDebugThreadStack, 0x3000, 0x20, CORE_SYSTEM);
return &debuggerDebugThread;
}
void debuggerFetchAndSetNextApplicationDebugHandleTask(void *argdata)
{
(void)argdata;
Handle debug = 0;
PMDBG_RunQueuedProcess(&debug);
GDB_LockAllContexts(&gdbServer);
nextApplicationGdbCtx->debug = debug;
if (debug == 0)
nextApplicationGdbCtx->flags = 0;
else
nextApplicationGdbCtx->flags |= GDB_FLAG_ATTACHED_AT_START;
nextApplicationGdbCtx = NULL;
GDB_UnlockAllContexts(&gdbServer);
}
Result debuggerDisable(s64 timeout)
{
Result res = 0;
bool initialized = gdbServer.referenceCount != 0;
if(initialized)
{
svcSignalEvent(gdbServer.super.shall_terminate_event);
server_kill_connections(&gdbServer.super);
res = MyThread_Join(&debuggerDebugThread, timeout);
if(res == 0)
res = MyThread_Join(&debuggerSocketThread, timeout);
Handle dummy = 0;
PMDBG_RunQueuedProcess(&dummy);
svcCloseHandle(dummy);
PMDBG_DebugNextApplicationByForce(false);
nextApplicationGdbCtx = NULL;
}
return res;
}
void DebuggerMenu_EnableDebugger(void)
{
bool done = false, alreadyEnabled = gdbServer.super.running;
Result res = 0;
char buf[65];
bool isSocURegistered;
res = srvIsServiceRegistered(&isSocURegistered, "soc:U");
isSocURegistered = R_SUCCEEDED(res) && isSocURegistered;
Draw_Lock();
Draw_ClearFramebuffer();
Draw_FlushFramebuffer();
Draw_Unlock();
do
{
Draw_Lock();
Draw_DrawString(10, 10, COLOR_TITLE, "Debugger options menu");
if(alreadyEnabled)
Draw_DrawString(10, 30, COLOR_WHITE, "Already enabled!");
else if(!isSocURegistered)
Draw_DrawString(10, 30, COLOR_WHITE, "Can't start the debugger before the system has fi-\nnished loading.");
else
{
Draw_DrawString(10, 30, COLOR_WHITE, "Starting debugger...");
if(!done)
{
res = GDB_InitializeServer(&gdbServer);
Handle handles[3] = { gdbServer.super.started_event, gdbServer.super.shall_terminate_event, preTerminationEvent };
s32 idx;
if(R_SUCCEEDED(res))
{
debuggerCreateSocketThread();
debuggerCreateDebugThread();
res = svcWaitSynchronizationN(&idx, handles, 3, false, 5 * 1000 * 1000 * 1000LL);
if(res == 0) res = gdbServer.super.init_result;
}
if(res != 0)
sprintf(buf, "Starting debugger... failed (0x%08lx).", (u32)res);
done = true;
}
if(res == 0)
Draw_DrawString(10, 30, COLOR_WHITE, "Starting debugger... OK.");
else
Draw_DrawString(10, 30, COLOR_WHITE, buf);
}
Draw_FlushFramebuffer();
Draw_Unlock();
}
while(!(waitInput() & KEY_B) && !menuShouldExit);
}
void DebuggerMenu_DisableDebugger(void)
{
bool initialized = gdbServer.referenceCount != 0;
Result res = initialized ? debuggerDisable(2 * 1000 * 1000 * 1000LL) : 0;
char buf[65];
if(res != 0)
sprintf(buf, "Failed to disable debugger (0x%08lx).", (u32)res);
do
{
Draw_Lock();
Draw_DrawString(10, 10, COLOR_TITLE, "Debugger options menu");
Draw_DrawString(10, 30, COLOR_WHITE, initialized ? (res == 0 ? "Debugger disabled successfully." : buf) : "Debugger not enabled.");
Draw_FlushFramebuffer();
Draw_Unlock();
}
while(!(waitInput() & KEY_B) && !menuShouldExit);
}
void DebuggerMenu_DebugNextApplicationByForce(void)
{
bool initialized = gdbServer.referenceCount != 0;
Result res = 0;
char buf[256];
if(initialized)
{
GDB_LockAllContexts(&gdbServer);
if (nextApplicationGdbCtx != NULL)
strcpy(buf, "Operation already performed.");
else
{
nextApplicationGdbCtx = GDB_SelectAvailableContext(&gdbServer, GDB_PORT_BASE + 3, GDB_PORT_BASE + 4);
if (nextApplicationGdbCtx != NULL)
{
nextApplicationGdbCtx->debug = 0;
nextApplicationGdbCtx->pid = 0xFFFFFFFF;
res = PMDBG_DebugNextApplicationByForce(true);
if(R_SUCCEEDED(res))
sprintf(buf, "Operation succeeded.\nUse port %d to connect to the next launched\napplication.", nextApplicationGdbCtx->localPort);
else
{
nextApplicationGdbCtx->flags = 0;
nextApplicationGdbCtx->localPort = 0;
nextApplicationGdbCtx = NULL;
sprintf(buf, "Operation failed (0x%08lx).", (u32)res);
}
}
else
strcpy(buf, "Failed to allocate a slot.\nPlease unselect a process in the process list first");
}
GDB_UnlockAllContexts(&gdbServer);
}
else
strcpy(buf, "Debugger not enabled.");
do
{
Draw_Lock();
Draw_DrawString(10, 10, COLOR_TITLE, "Debugger options menu");
Draw_DrawString(10, 30, COLOR_WHITE, buf);
Draw_FlushFramebuffer();
Draw_Unlock();
}
while(!(waitInput() & KEY_B) && !menuShouldExit);
}
void debuggerSocketThreadMain(void)
{
GDB_IncrementServerReferenceCount(&gdbServer);
GDB_RunServer(&gdbServer);
GDB_DecrementServerReferenceCount(&gdbServer);
}
void debuggerDebugThreadMain(void)
{
GDB_IncrementServerReferenceCount(&gdbServer);
GDB_RunMonitor(&gdbServer);
GDB_DecrementServerReferenceCount(&gdbServer);
}