From c65dedacf033f5862f368b432910195cf51e7067 Mon Sep 17 00:00:00 2001 From: Horde Nicolas Date: Wed, 14 Jul 2021 13:15:49 +0200 Subject: [PATCH] =?UTF-8?q?Avancement=20sur=20les=20breakpoints,=20visuali?= =?UTF-8?q?sation=20de=20m=C3=A9moire=20multizone=20et=20syntaxes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ia86.cpp | 163 ++++++++++++++++++++++++++++++++++++++++++++++++------- ia86.h | 28 ++++++---- 2 files changed, 160 insertions(+), 31 deletions(-) diff --git a/ia86.cpp b/ia86.cpp index e1d30eb..dcf2a11 100644 --- a/ia86.cpp +++ b/ia86.cpp @@ -78,6 +78,7 @@ bool ok=false; bool executed=false; bool initialized=false; uint32_t hadcall=0x0; +std::vector> breakpoints; //---------------------------------------------------------------------- // Classe ScenarioWindow @@ -158,9 +159,9 @@ void InstructionWindow::clear() listview.redraw(); } -string InstructionWindow::getaddress() +std::string InstructionWindow::getaddress() { - return listview.getCurrentItem()->getText(0).c_str(); + return listview.getCurrentItem()->getText(1).c_str(); } void InstructionWindow::setmark(int index) @@ -232,7 +233,7 @@ void TextEditWindow::append(const finalcut::FString& str) std::string TextEditWindow::get() { - return scrolltext.getText().toString () ; + return scrolltext.getText().toString() ; } void TextEditWindow::set(const finalcut::FString& str) @@ -330,6 +331,11 @@ Desassembler::Desassembler(Menu *widget) : widget(widget) } } +void Desassembler::setSyntax(int syntax) +{ + cs_option(handle, CS_OPT_SYNTAX, syntax); +} + void Desassembler::Desassemble(uint8_t *content, uint32_t address,uint32_t size, Unasm *unasm) { try @@ -387,6 +393,11 @@ Assembler::Assembler(Menu *widget) : widget(widget) ks_option(ks, KS_OPT_SYNTAX, KS_OPT_SYNTAX_NASM); } +void Assembler::setSyntax(int syntax) +{ + ks_option(ks, KS_OPT_SYNTAX, syntax); +} + std::vector Assembler::MultiAssemble(std::string source,uint32_t address) { try @@ -670,6 +681,8 @@ std::string VMEngine::getRam(int segment, int address,int lines, int linesize) int reallinesize=(int)((linesize-16)/4); int size=reallinesize*(lines-3); uint32_t realaddress=segment*16+address; + if (realaddress>1024*1024) + return "Zone en dehors de la mémorie"; uint8_t *code=new uint8_t[512]; std::string result=""; std::string line; @@ -751,18 +764,18 @@ void VMEngine::clearbreakpoints() breakpoints.clear(); } -void VMEngine::addbreakpoint(std::string address) +void VMEngine::addbreakpoint(uint16_t segment,uint32_t address) { - for(std::string item: breakpoints) - if (item==address) return; - breakpoints.push_back(address); + for(std::array item: breakpoints) + if (item[1]==address && item[0]==segment) return; + breakpoints.push_back({segment,address}); } -void VMEngine::removebreakpoint(std::string address) +void VMEngine::removebreakpoint(uint16_t segment,uint32_t address) { int i=0; - for(std::string item: breakpoints) - if (item==address) + for(std::array item: breakpoints) + if (item[1]==address && item[0]==segment) { breakpoints.erase(breakpoints.begin()+i); return; @@ -773,18 +786,18 @@ std::vector VMEngine::getBreapoints() { std::vector list; std::vector> items=((Menu*)widget)->getsrc(); - for(std::string bpaddress: breakpoints) + for(std::array bp: breakpoints) { int line=0; for(std::array item: items) { - if (item[0]==bpaddress) + if (item[0]==intToHexString(bp[1],8))// && getCS()==bp[0]) { ((Menu*)widget)->tolog(to_string(line)); - list.push_back(line++); + list.push_back(line); break; } - + line++; } } return list; @@ -818,7 +831,11 @@ static void hook_code (uc_engine *uc, uint64_t address, uint32_t size, void *use executed=false; else if (step && (code[0]==0xE8 || code[0]==0xFF || code[0]==0x9A || (code[0]==0x66 && (code[1]==0xE8 || code[1]==0xFF || code[1]==0x9A)))) hadcall=address+size; - else if (!step || (hadcall>0 && !call)) return; + bool breakp=false; + for(std::array bp: breakpoints) + if (address==bp[0]*16+bp[1]) + breakp=true; + if (!breakp && (!step || (hadcall>0 && !call))) return; uc_emu_stop(uc); } @@ -905,6 +922,12 @@ int VMEngine::verify() return 0; } +void VMEngine::setSyntax(int asmsyntax,int unasmsyntax) +{ + asmer.setSyntax(asmsyntax); + unasmer.setSyntax(unasmsyntax); +} + void VMEngine::setRights(int rights) { this->rights=rights; @@ -915,6 +938,33 @@ uint32_t VMEngine::getCurrent() return getEIP()+getCS()*16; } +uint32_t VMEngine::getESI() +{ + int esi; + err = uc_reg_read(uc, UC_X86_REG_ESI, &esi); + if (err != UC_ERR_OK) + throw Error("VM IA86 - voir ESI................................[ERREUR]"); + return esi; +} + +uint32_t VMEngine::getEDI() +{ + int edi; + err = uc_reg_read(uc, UC_X86_REG_EDI, &edi); + if (err != UC_ERR_OK) + throw Error("VM IA86 - voir EDI................................[ERREUR]"); + return edi; +} + +uint32_t VMEngine::getESP() +{ + int esp; + err = uc_reg_read(uc, UC_X86_REG_ESP, &esp); + if (err != UC_ERR_OK) + throw Error("VM IA86 - voir ESP................................[ERREUR]"); + return esp; +} + uint32_t VMEngine::getEIP() { int eip; @@ -1237,7 +1287,8 @@ void Menu::initMenus() Breakpoint.setStatusbarMessage ("Enlève ou met un point d'arrêt"); End.addAccelerator (FKey::F6); End.setStatusbarMessage ("Termine le programme et remet à zéro la machine IA86"); - About.setStatusbarMessage ("A propos de IA86"); + About.setStatusbarMessage ("A propos de IA86"); + AddBp.addAccelerator (FKey::F4); } void Menu::ClearScreen() @@ -1314,7 +1365,49 @@ void Menu::initMenusCallBack() ( "clicked", this, - &Menu::addbreakpoint + &Menu::addbp + ); + AsmAtt.addCallback + ( + "clicked", + this, + &Menu::changesyntax + ); + UnasmAtt.addCallback + ( + "clicked", + this, + &Menu::changesyntax + ); + Ds_00.addCallback + ( + "clicked", + this, + &Menu::showInstr + ); + Ds_esi.addCallback + ( + "clicked", + this, + &Menu::showInstr + ); + Es_edi.addCallback + ( + "clicked", + this, + &Menu::showInstr + ); + Cs_eip.addCallback + ( + "clicked", + this, + &Menu::showInstr + ); + Ss_esp.addCallback + ( + "clicked", + this, + &Menu::showInstr ); } @@ -1342,6 +1435,7 @@ void Menu::initLayout() this->setLeftPadding(0); this->setRightPadding(0); this->setBottomPadding(0); + Ds_00.setChecked(); Log.setGeometry (FPoint{0, 0}, FSize{getWidth(), getHeight()},false); FDialog::initLayout(); } @@ -1451,7 +1545,16 @@ void Menu::showInstr() debug.set(vm.getInstr(vm.getCS(),vm.getEIP(),debug.getHeight()-3)); debug.setmark(vm.getLine()); debug.setmultimark(vm.getBreapoints()); - mem.set(vm.getRam(vm.getDS(), 0x0000, mem.getHeight(),mem.getWidth())); + if (Ds_00.isChecked()) + mem.set(vm.getRam(vm.getDS(), 0x000000000, mem.getHeight(),mem.getWidth())); + else if (Ds_esi.isChecked()) + mem.set(vm.getRam(vm.getDS(), vm.getESI(), mem.getHeight(),mem.getWidth())); + else if (Es_edi.isChecked()) + mem.set(vm.getRam(vm.getES(), vm.getEDI(), mem.getHeight(),mem.getWidth())); + else if (Cs_eip.isChecked()) + mem.set(vm.getRam(vm.getCS(), vm.getEIP(), mem.getHeight(),mem.getWidth())); + else if (Ss_esp.isChecked()) + mem.set(vm.getRam(vm.getSS(), vm.getESP(), mem.getHeight(),mem.getWidth())); } } catch(exception const& e) @@ -1522,12 +1625,32 @@ void Menu::step() showInstr(); } -void Menu::addbreakpoint() +void Menu::changesyntax() { - vm.addbreakpoint(debug.getaddress()); + int asmsyntax,unasmsyntax; + if (AsmAtt.isChecked()) + asmsyntax=KS_OPT_SYNTAX_ATT; + else + asmsyntax=KS_OPT_SYNTAX_INTEL; + if (UnasmAtt.isChecked()) + unasmsyntax=CS_OPT_SYNTAX_ATT; + else + unasmsyntax=CS_OPT_SYNTAX_INTEL; + vm.setSyntax(asmsyntax,unasmsyntax); showInstr(); } +void Menu::addbp() +{ + if (vm.isInitialized()) + { + std::string address=debug.getaddress(); + tolog("VM IA86 - ajout breakpoint.....................["+address+"]"); + vm.addbreakpoint(vm.getCS(),stoi(address,nullptr,16)); + showInstr(); + } +} + //---------------------------------------------------------------------- // Fonction Main //---------------------------------------------------------------------- diff --git a/ia86.h b/ia86.h index fa7ca30..aded92f 100644 --- a/ia86.h +++ b/ia86.h @@ -205,7 +205,7 @@ class InstructionWindow final : public finalcut::FDialog void setmultimark(std::vector mark); void setmark(int index); int getsize(); - string getaddress(); + std::string getaddress(); private: // Method std::vector> content; @@ -271,6 +271,7 @@ class Desassembler { public: Desassembler(Menu *widget); + void setSyntax(int syntax); void Desassemble(uint8_t *content, uint32_t address,uint32_t size, Unasm *unasm); private: csh handle; @@ -288,6 +289,7 @@ class Assembler { public: Assembler(Menu *widget); + void setSyntax(int syntax); void Assemble(Code *code); std::vector MultiAssemble(std::string source,uint32_t address); private: @@ -306,6 +308,7 @@ class VMEngine void Halt(); void Unconfigure(); uint32_t getCurrent(); + void setSyntax(int asmsyntax,int unasmsyntax); void Run(bool astep, bool acall, uint64_t timeout); std::string getFlags(); std::string getRegs(); @@ -318,17 +321,19 @@ class VMEngine bool isInitialized(); void setRights(int rights); void clearbreakpoints(); - void addbreakpoint(std::string address); - void removebreakpoint(std::string address); + void addbreakpoint(uint16_t segment, uint32_t address); + void removebreakpoint(uint16_t segment, uint32_t address); std::vector getBreapoints(); int getLine(); uint32_t getEIP(); + uint32_t getESI(); + uint32_t getEDI(); + uint32_t getESP(); uint16_t getCS(); uint16_t getDS(); uint16_t getES(); uint16_t getSS(); private: - std::vector breakpoints; int rights; void Init(); void Close(); @@ -372,11 +377,12 @@ class Menu final : public finalcut::FDialog void end(); void loadScenario(std::string file); void showInstr(); - void addbreakpoint(); + void addbp(); void exec(); void trace(); void step(); void about(); + void changesyntax(); void ClearScreen(); void AdjustWindows(); void initWindows(); @@ -393,16 +399,16 @@ class Menu final : public finalcut::FDialog finalcut::FMenuItem Line2{&Game}; finalcut::FMenuItem Quit{"&Quitter", &Game}; finalcut::FMenu Options{"&Options", &Menubar}; - finalcut::FMenu Memory{"&Mémoire", &Options}; + finalcut::FMenu Memory{"&Visualisateur Mémoire", &Options}; + finalcut::FRadioMenuItem Ds_00{"DS:0x00000000", &Memory}; finalcut::FRadioMenuItem Ds_esi{"DS:ESI", &Memory}; finalcut::FRadioMenuItem Es_edi{"ES:EDI", &Memory}; finalcut::FRadioMenuItem Cs_eip{"CS:EIP", &Memory}; - finalcut::FRadioMenuItem Ss_sp{"SS:SP", &Memory}; + finalcut::FRadioMenuItem Ss_esp{"SS:ESP", &Memory}; finalcut::FRadioMenuItem Value{"Valeur...", &Memory}; - finalcut::FMenu Code{"&Code", &Options}; - finalcut::FRadioMenuItem Cs_eip2{"CS:EIP", &Code}; - finalcut::FRadioMenuItem Value2{"Valeur...", &Code}; - finalcut::FRadioMenuItem Att{"Syntaxe AT&T", &Code}; + finalcut::FMenu Code{"&Syntaxe", &Options}; + finalcut::FCheckMenuItem AsmAtt{"Assembleur AT&T", &Code}; + finalcut::FCheckMenuItem UnasmAtt{"Désassembleur AT&T", &Code}; finalcut::FMenu Tools{"&Outils", &Menubar}; finalcut::FMenuItem Assemble{"&Assembler", &Tools}; finalcut::FMenuItem Rearange{"&Ordonne les fenêtres", &Tools};