141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/*
|
|
* This file is part of Luma3DS
|
|
* Copyright (C) 2016-2019 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <3ds/types.h>
|
|
#include <3ds/svc.h>
|
|
#include <3ds/synchronization.h>
|
|
#include <3ds/result.h>
|
|
#include "sock_util.h"
|
|
#include "memory.h"
|
|
|
|
#define MAX_DEBUG 3
|
|
#define MAX_DEBUG_THREAD 127
|
|
#define MAX_BREAKPOINT 256
|
|
// 512+24 is the ideal size as IDA will try to read exactly 0x100 bytes at a time. Add 4 to this, for $#<checksum>, see below.
|
|
// IDA seems to want additional bytes as well.
|
|
// 1024 is fine enough to put all regs in the 'T' stop reply packets
|
|
#define GDB_BUF_LEN 1024
|
|
|
|
#define GDB_HANDLER(name) GDB_Handle##name
|
|
#define GDB_QUERY_HANDLER(name) GDB_HANDLER(Query##name)
|
|
#define GDB_VERBOSE_HANDLER(name) GDB_HANDLER(Verbose##name)
|
|
|
|
#define GDB_DECLARE_HANDLER(name) int GDB_HANDLER(name)(GDBContext *ctx)
|
|
#define GDB_DECLARE_QUERY_HANDLER(name) GDB_DECLARE_HANDLER(Query##name)
|
|
#define GDB_DECLARE_VERBOSE_HANDLER(name) GDB_DECLARE_HANDLER(Verbose##name)
|
|
|
|
typedef struct Breakpoint
|
|
{
|
|
u32 address;
|
|
u32 savedInstruction;
|
|
u8 instructionSize;
|
|
bool persistent;
|
|
} Breakpoint;
|
|
|
|
typedef enum GDBFlags
|
|
{
|
|
GDB_FLAG_SELECTED = 1,
|
|
GDB_FLAG_USED = 2,
|
|
GDB_FLAG_PROCESS_CONTINUING = 4,
|
|
GDB_FLAG_TERMINATE_PROCESS = 8,
|
|
GDB_FLAG_ATTACHED_AT_START = 16,
|
|
} GDBFlags;
|
|
|
|
typedef enum GDBState
|
|
{
|
|
GDB_STATE_DISCONNECTED,
|
|
GDB_STATE_CONNECTED,
|
|
GDB_STATE_NOACK_SENT,
|
|
GDB_STATE_NOACK,
|
|
GDB_STATE_DETACHING
|
|
} GDBState;
|
|
|
|
typedef struct ThreadInfo
|
|
{
|
|
u32 id;
|
|
u32 tls;
|
|
} ThreadInfo;
|
|
|
|
struct GDBServer;
|
|
|
|
typedef struct GDBContext
|
|
{
|
|
sock_ctx super;
|
|
struct GDBServer *parent;
|
|
|
|
RecursiveLock lock;
|
|
u16 localPort;
|
|
|
|
GDBFlags flags;
|
|
GDBState state;
|
|
|
|
u32 pid;
|
|
Handle debug;
|
|
ThreadInfo threadInfos[MAX_DEBUG_THREAD];
|
|
u32 nbThreads;
|
|
u32 currentThreadId, selectedThreadId, selectedThreadIdForContinuing;
|
|
u32 totalNbCreatedThreads;
|
|
|
|
Handle processAttachedEvent, continuedEvent;
|
|
Handle eventToWaitFor;
|
|
|
|
bool catchThreadEvents;
|
|
bool processEnded, processExited;
|
|
|
|
DebugEventInfo latestDebugEvent;
|
|
DebugFlags continueFlags;
|
|
u32 svcMask[8];
|
|
|
|
u32 nbBreakpoints;
|
|
Breakpoint breakpoints[MAX_BREAKPOINT];
|
|
|
|
u32 nbWatchpoints;
|
|
u32 watchpoints[2];
|
|
|
|
bool enableExternalMemoryAccess;
|
|
char *commandData, *commandEnd;
|
|
int latestSentPacketSize;
|
|
char buffer[GDB_BUF_LEN + 4];
|
|
|
|
char threadListData[0x800];
|
|
u32 threadListDataPos;
|
|
|
|
char memoryOsInfoXmlData[0x800];
|
|
char processesOsInfoXmlData[0x2000];
|
|
} GDBContext;
|
|
|
|
typedef int (*GDBCommandHandler)(GDBContext *ctx);
|
|
|
|
void GDB_InitializeContext(GDBContext *ctx);
|
|
void GDB_FinalizeContext(GDBContext *ctx);
|
|
|
|
Result GDB_AttachToProcess(GDBContext *ctx);
|
|
void GDB_DetachFromProcess(GDBContext *ctx);
|
|
|
|
GDB_DECLARE_HANDLER(Unsupported);
|