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LunaHook-mirror/LunaHook/engine64/rpcs3.cpp

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