mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-11-28 00:04:03 +08:00
268 lines
9.9 KiB
C++
268 lines
9.9 KiB
C++
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#include"rpcs3.h"
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#include"engines/emujitarg.hpp"
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namespace{
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#if 0 //only support0.0.20-0.0.27
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int emoffset;
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int jitoffset;
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uintptr_t getDoJitAddress_() {
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auto installFunctionPatt1 = "0F8? ???????? 488D?? ?00?0000 E8 ???????? 4?83C? 68"; // MSVC
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auto DoJitMatch = find_pattern(installFunctionPatt1,processStartAddress,processStopAddress);
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if(DoJitMatch)return DoJitMatch;
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auto installFunctionPatt2 = "660F 1F440000 488D?? ?00?0000 E8 ???????? 4?83C? 68"; // patched
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DoJitMatch = find_pattern(installFunctionPatt2,processStartAddress,processStopAddress);
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if(DoJitMatch)return DoJitMatch;
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return 0;
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}
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uintptr_t getDoJitAddress() {
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auto DoJitPtr=getDoJitAddress_();
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ConsoleOutput("DoJitPtr %p",DoJitPtr);
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if(!DoJitPtr)return 0;
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//<--DoJitPtr
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//0f85 1b050000 // jbe 0x00 ; long jump
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//48 8d 8d 40020000 // lea r?x, ss:[rbp+0x1?0]
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//e8 cc39acff //call
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//48 83 c3 68 // add r?x, 0x68
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auto checkaddr=DoJitPtr+0x6+7+5;
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switch (*(BYTE*)checkaddr)
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{
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case 0x48:{
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switch(*(BYTE*)(checkaddr+2)){
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case 0xc0:emoffset=get_reg(regs::rax);break;
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case 0xc3:emoffset=get_reg(regs::rbx);break;
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case 0xc1:emoffset=get_reg(regs::rcx);break;
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case 0xc2:emoffset=get_reg(regs::rdx);break;
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case 0xc4:emoffset=get_reg(regs::rsp);break;
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case 0xc5:emoffset=get_reg(regs::rbp);break;
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case 0xc6:emoffset=get_reg(regs::rsi);break;
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case 0xc7:emoffset=get_reg(regs::rdi);break;
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default:emoffset=0;
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}
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}
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break;
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case 0x49:{
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switch(*(BYTE*)(checkaddr+2)){
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case 0xc0:emoffset=get_reg(regs::r8);break;
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case 0xc1:emoffset=get_reg(regs::r9);break;
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case 0xc2:emoffset=get_reg(regs::r10);break;
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case 0xc3:emoffset=get_reg(regs::r11);break;
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case 0xc4:emoffset=get_reg(regs::r12);break;
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case 0xc5:emoffset=get_reg(regs::r13);break;
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case 0xc6:emoffset=get_reg(regs::r14);break;
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case 0xc7:emoffset=get_reg(regs::r15);break;
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default:emoffset=0;
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}
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}
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break;
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default:emoffset=0;
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}
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ConsoleOutput("emoffset %d",emoffset);
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if(emoffset==0)return 0;
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auto isPPUDebugIfPtr = find_pattern("84C0 ???? 8B",DoJitPtr-0x40,DoJitPtr); // je
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//84 c0 //test al,al
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//74 21 //je
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//8b 0b //mov ecx[rbx]
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//48 8b 05 XX4 // mov rax[]
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//4c 8d 34 48 //lea r14,[rax+rcx*2]
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if(isPPUDebugIfPtr==0)return 0;
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checkaddr= isPPUDebugIfPtr+2+2+2+7;
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switch (*(BYTE*)checkaddr)
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{
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case 0x48:{
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switch(*(BYTE*)(checkaddr+2)){
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case 0x14:jitoffset=get_reg(regs::rdx);break;
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case 0x04:jitoffset=get_reg(regs::rax);break;
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case 0x1c:jitoffset=get_reg(regs::rbx);break;
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case 0x0c:jitoffset=get_reg(regs::rcx);break;
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case 0x24:jitoffset=get_reg(regs::rsp);break;
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case 0x2c:jitoffset=get_reg(regs::rbp);break;
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case 0x34:jitoffset=get_reg(regs::rsi);break;
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case 0x3c:jitoffset=get_reg(regs::rdi);break;
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default:jitoffset=0;
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}
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}
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break;
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case 0x4c:{
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switch(*(BYTE*)(checkaddr+2)){
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case 0x04:jitoffset=get_reg(regs::r8);break;
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case 0x0c:jitoffset=get_reg(regs::r9);break;
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case 0x14:jitoffset=get_reg(regs::r10);break;
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case 0x1c:jitoffset=get_reg(regs::r11);break;
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case 0x24:jitoffset=get_reg(regs::r12);break;
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case 0x2c:jitoffset=get_reg(regs::r13);break;
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case 0x34:jitoffset=get_reg(regs::r14);break;
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case 0x3c:jitoffset=get_reg(regs::r15);break;
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default:jitoffset=0;
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}
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}
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break;
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default:jitoffset=0;
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}
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ConsoleOutput("jitoffset %d",jitoffset);
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if(jitoffset==0)return 0;
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DWORD _;
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BYTE bs1[]={0x66, 0x0F, 0x1F, 0x44, 0x00, 0x00};
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VirtualProtect((void*)DoJitPtr,sizeof(bs1),PAGE_EXECUTE_READWRITE,&_);
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memcpy((void*)DoJitPtr,bs1,sizeof(bs1));
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BYTE bs2[]={0x66, 0x90};
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VirtualProtect((void*)(isPPUDebugIfPtr+2),sizeof(bs2),PAGE_EXECUTE_READWRITE,&_);
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memcpy((void*)(isPPUDebugIfPtr+2),bs2,sizeof(bs2));
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return DoJitPtr+6;
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}
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#endif
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uintptr_t getDoJitAddress() {
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//rpcs3/Emu/Cell/PPUThread.cpp
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/*
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extern void ppu_register_function_at(u32 addr, u32 size, ppu_intrp_func_t ptr = nullptr)
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{
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// Initialize specific function
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if (ptr)
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{
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ppu_ref(addr) = reinterpret_cast<ppu_intrp_func_t>((reinterpret_cast<uptr>(ptr) & 0xffff'ffff'ffffu) | (uptr(ppu_ref(addr)) & ~0xffff'ffff'ffffu));
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return;
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}
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if (!size)
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{
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if (g_cfg.core.ppu_debug)
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{
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ppu_log.error("ppu_register_function_at(0x%x): empty range", addr);
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}
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return;
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}
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……
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*/
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char log[]="ppu_register_function_at(0x%x): empty range";
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auto logstrptr=MemDbg::findBytes(log,sizeof(log),processStartAddress,processStopAddress);
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ConsoleOutput("%p",logstrptr);
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if(logstrptr==0)return 0;
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auto addr=MemDbg::findleaaddr(logstrptr, processStartAddress, processStopAddress);
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ConsoleOutput("%p",addr);
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if(addr==0)return 0;
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//ff cc cc cc,find不到。。
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BYTE start[]={XX,0xCC,0xCC,0xCC};
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addr=reverseFindBytes(start,sizeof(start),addr-0x200,addr,4,true);
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ConsoleOutput("%p",addr);
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return addr;
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}
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struct emfuncinfo{
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uint64_t type;
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int argidx;int padding;
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void* hookfunc;
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void* filterfun;
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const char* _id;
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};
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std::unordered_map<uintptr_t,emfuncinfo>emfunctionhooks;
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bool checkiscurrentgame(const emfuncinfo& em){
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auto wininfos=get_proc_windows();
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for(auto&& info:wininfos){
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if(info.title.find(acastw(em._id))!=info.title.npos)return true;
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}
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return false;
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}
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static std::set<std::pair<uintptr_t,uintptr_t>> timeoutbreaks;
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void dohookemaddr(uintptr_t em_address,uintptr_t ret){
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jitaddraddr(em_address,ret,JITTYPE::RPCS3);
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if(emfunctionhooks.find(em_address)==emfunctionhooks.end())return;
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if(!(checkiscurrentgame(emfunctionhooks.at(em_address))))return;
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timeoutbreaks.insert(std::make_pair(em_address,ret));
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auto op=emfunctionhooks.at(em_address);
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HookParam hpinternal;
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hpinternal.address=ret;
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hpinternal.emu_addr=em_address;//用于生成hcode
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hpinternal.type=USING_STRING|NO_CONTEXT|BREAK_POINT|op.type;
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hpinternal.text_fun=(decltype(hpinternal.text_fun))op.hookfunc;
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hpinternal.filter_fun=(decltype(hpinternal.filter_fun))op.filterfun;
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hpinternal.argidx=op.argidx;
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hpinternal.padding=op.padding;
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hpinternal.jittype=JITTYPE::RPCS3;
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NewHook(hpinternal,op._id);
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}
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bool unsafeinithooks(){
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//rpcs0.0.30，不知道为什么ppu_register_function_at不全。不过看代码得到映射表了，直接弄吧。
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//rpcs3/Emu/Cell/PPUThread.cpp
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// Get pointer to executable cache
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/*
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static inline u8* ppu_ptr(u32 addr)
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{
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return vm::g_exec_addr + u64{addr} * 2;
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}
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*/
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HookParam hp;
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hp.type=DIRECT_READ;
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hp.address=0x500000000;
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hp.text_fun=[](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len)
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{
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for(auto [addr,info]:emfunctionhooks){
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auto table=addr*2+0x500000000;
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if(IsBadReadPtr((void*)table,sizeof(uintptr_t)))continue;
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auto funcaddr=*(uintptr_t*)table;
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funcaddr&=0x0000ffffffffffff;
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if(!funcaddr)continue;
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auto p=std::make_pair(addr,funcaddr);
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if(timeoutbreaks.find(p)!=timeoutbreaks.end())continue;
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dohookemaddr(addr,funcaddr);
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delayinsertNewHook(addr);
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}
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};
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return NewHook(hp,"g_exec_addr");
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}
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}
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bool rpcs3::attach_function()
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{
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ConsoleOutput("[Compatibility] RPCS3");
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auto DoJitPtr=getDoJitAddress();
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if(DoJitPtr==0)return false;
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unsafeinithooks();
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spDefault.jittype=JITTYPE::RPCS3;
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spDefault.minAddress = 0;
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spDefault.maxAddress = -1;
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HookParam hp;
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hp.address=DoJitPtr;
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hp.text_fun=[](hook_stack* stack, HookParam* hp, uintptr_t* data, uintptr_t* split, size_t* len){
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auto em_address =stack->rcx;// *(uint32_t*)*(uintptr_t*)(stack->base+emoffset);
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auto entrypoint=stack->r8;//*(uintptr_t*)*(uintptr_t*)(stack->base+jitoffset)-0x0008000000000000;
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if(!em_address||!entrypoint)return;
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dohookemaddr(em_address,entrypoint);
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delayinsertNewHook(em_address);
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};
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return NewHook(hp,"vita3kjit");
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}
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namespace{
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bool FBLJM61131(void* data, size_t* len, HookParam* hp){
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auto s = std::string((char*)data,*len);
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std::regex pattern("\\[[^\\]]+.");
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s = std::regex_replace(s, pattern, "");
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s = std::regex_replace(s, std::regex("\\\\k|\\\\x|%C|%B"), "");
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s = std::regex_replace(s, std::regex("\\%\\d+\\#[0-9a-fA-F]*\\;"), "");
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s = std::regex_replace(s, std::regex("\\n+"), " ");
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return write_string_overwrite(data,len,s);
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}
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auto _=[](){
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emfunctionhooks={
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//'&' -Sora no Mukou de Sakimasu you ni-
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{0x46328,{CODEC_UTF8,1,0,0,FBLJM61131,"BLJM61131"}},
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//Dunamis15
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{0x42c90,{CODEC_UTF8,1,0,0,FBLJM61131,"BLJM60347"}},
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};
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return 1;
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}();
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}
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