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https://github.com/mupen64plus/mupen64plus-oldsvn.git
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100 lines
3.3 KiB
C
100 lines
3.3 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Mupen64plus - debugger.c *
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* Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
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* Copyright (C) 2008 DarkJeztr *
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* Copyright (C) 2002 davFr *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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//#include <glib.h>
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#include "debugger.h"
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// State of the Emulation Thread:
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// 0 -> pause, 2 -> run.
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int g_DebuggerEnabled = 0; // whether the debugger is enabled or not
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int debugger_mode;
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int run;
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SDL_cond *debugger_done_cond;
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SDL_mutex *mutex;
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uint32 previousPC;
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//]=-=-=-=-=-=-=-=-=-=-=[ Initialisation du Debugger ]=-=-=-=-=-=-=-=-=-=-=-=[
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void init_debugger()
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{
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debugger_mode = 1;
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run = 0;
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init_debugger_frontend();
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init_host_disassembler();
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mutex = SDL_CreateMutex();
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debugger_done_cond = SDL_CreateCond();
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}
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void destroy_debugger()
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{
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SDL_DestroyMutex(mutex);
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mutex = NULL;
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SDL_DestroyCond(debugger_done_cond);
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debugger_done_cond = NULL;
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debugger_mode = 0;
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}
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//]=-=-=-=-=-=-=-=-=-=-=-=-=[ Mise-a-Jour Debugger ]=-=-=-=-=-=-=-=-=-=-=-=-=[
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void update_debugger(uint32 pc)
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// Update debugger state and display.
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// Should be called after each R4300 instruction
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// Checks for breakpoint hits on PC
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{
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int bpt;
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/*if ( previousPC == pc ) {
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printf("update_debugger: previousPC == pc (%08x)\n",pc);
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return;
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}*/
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if(run!=0) {//check if we hit a breakpoint
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bpt = check_breakpoints(pc);
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if( bpt!=-1 ) {
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run = 0;
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if(BPT_CHECK_FLAG(g_Breakpoints[bpt], BPT_FLAG_LOG))
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log_breakpoint(pc, BPT_FLAG_EXEC, 0);
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}
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}
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if(run!=2) {
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update_debugger_frontend( pc );
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}
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if(run==0) {
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// Emulation thread is blocked until a button is clicked.
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SDL_mutexP(mutex);
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SDL_CondWait(debugger_done_cond, mutex);
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SDL_mutexV(mutex);
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}
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previousPC = pc;
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}
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void debugger_step()
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{
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SDL_CondSignal(debugger_done_cond);
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}
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