mirror of
https://github.com/italicsjenga/agb.git
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158 lines
4 KiB
C
158 lines
4 KiB
C
/* Copyright (c) 2013-2019 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef DEBUGGER_H
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#define DEBUGGER_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <mgba/core/cpu.h>
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#include <mgba/core/log.h>
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#include <mgba-util/vector.h>
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#include <mgba/internal/debugger/stack-trace.h>
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mLOG_DECLARE_CATEGORY(DEBUGGER);
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extern const uint32_t DEBUGGER_ID;
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enum mDebuggerType {
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DEBUGGER_NONE = 0,
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DEBUGGER_CUSTOM,
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DEBUGGER_CLI,
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DEBUGGER_GDB,
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DEBUGGER_MAX
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};
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enum mDebuggerState {
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DEBUGGER_PAUSED,
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DEBUGGER_RUNNING,
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DEBUGGER_CALLBACK,
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DEBUGGER_SHUTDOWN
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};
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enum mWatchpointType {
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WATCHPOINT_WRITE = 1,
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WATCHPOINT_READ = 2,
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WATCHPOINT_RW = 3,
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WATCHPOINT_CHANGE = 4,
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WATCHPOINT_WRITE_CHANGE = 5,
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};
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enum mBreakpointType {
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BREAKPOINT_HARDWARE,
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BREAKPOINT_SOFTWARE
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};
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enum mDebuggerEntryReason {
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DEBUGGER_ENTER_MANUAL,
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DEBUGGER_ENTER_ATTACHED,
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DEBUGGER_ENTER_BREAKPOINT,
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DEBUGGER_ENTER_WATCHPOINT,
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DEBUGGER_ENTER_ILLEGAL_OP,
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DEBUGGER_ENTER_STACK
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};
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struct mDebuggerEntryInfo {
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uint32_t address;
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union {
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struct {
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uint32_t oldValue;
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uint32_t newValue;
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enum mWatchpointType watchType;
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enum mWatchpointType accessType;
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} wp;
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struct {
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uint32_t opcode;
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enum mBreakpointType breakType;
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} bp;
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struct {
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enum mStackTraceMode traceType;
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} st;
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} type;
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ssize_t pointId;
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};
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struct mBreakpoint {
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ssize_t id;
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uint32_t address;
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int segment;
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enum mBreakpointType type;
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struct ParseTree* condition;
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};
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struct mWatchpoint {
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ssize_t id;
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uint32_t address;
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int segment;
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enum mWatchpointType type;
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struct ParseTree* condition;
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};
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DECLARE_VECTOR(mBreakpointList, struct mBreakpoint);
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DECLARE_VECTOR(mWatchpointList, struct mWatchpoint);
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struct mDebugger;
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struct ParseTree;
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struct mDebuggerPlatform {
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struct mDebugger* p;
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void (*init)(void* cpu, struct mDebuggerPlatform*);
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void (*deinit)(struct mDebuggerPlatform*);
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void (*entered)(struct mDebuggerPlatform*, enum mDebuggerEntryReason, struct mDebuggerEntryInfo*);
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bool (*hasBreakpoints)(struct mDebuggerPlatform*);
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void (*checkBreakpoints)(struct mDebuggerPlatform*);
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bool (*clearBreakpoint)(struct mDebuggerPlatform*, ssize_t id);
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ssize_t (*setBreakpoint)(struct mDebuggerPlatform*, const struct mBreakpoint*);
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void (*listBreakpoints)(struct mDebuggerPlatform*, struct mBreakpointList*);
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ssize_t (*setWatchpoint)(struct mDebuggerPlatform*, const struct mWatchpoint*);
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void (*listWatchpoints)(struct mDebuggerPlatform*, struct mWatchpointList*);
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void (*trace)(struct mDebuggerPlatform*, char* out, size_t* length);
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bool (*getRegister)(struct mDebuggerPlatform*, const char* name, int32_t* value);
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bool (*setRegister)(struct mDebuggerPlatform*, const char* name, int32_t value);
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bool (*lookupIdentifier)(struct mDebuggerPlatform*, const char* name, int32_t* value, int* segment);
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uint32_t (*getStackTraceMode)(struct mDebuggerPlatform*);
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void (*setStackTraceMode)(struct mDebuggerPlatform*, uint32_t mode);
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bool (*updateStackTrace)(struct mDebuggerPlatform* d);
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};
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struct mDebugger {
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struct mCPUComponent d;
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struct mDebuggerPlatform* platform;
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enum mDebuggerState state;
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enum mDebuggerType type;
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struct mCore* core;
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struct mScriptBridge* bridge;
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struct mStackTrace stackTrace;
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void (*init)(struct mDebugger*);
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void (*deinit)(struct mDebugger*);
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void (*paused)(struct mDebugger*);
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void (*entered)(struct mDebugger*, enum mDebuggerEntryReason, struct mDebuggerEntryInfo*);
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void (*custom)(struct mDebugger*);
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};
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struct mDebugger* mDebuggerCreate(enum mDebuggerType type, struct mCore*);
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void mDebuggerAttach(struct mDebugger*, struct mCore*);
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void mDebuggerRun(struct mDebugger*);
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void mDebuggerRunFrame(struct mDebugger*);
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void mDebuggerEnter(struct mDebugger*, enum mDebuggerEntryReason, struct mDebuggerEntryInfo*);
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bool mDebuggerLookupIdentifier(struct mDebugger* debugger, const char* name, int32_t* value, int* segment);
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CXX_GUARD_END
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#endif
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