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LunaHook-mirror/LunaHook/engines/ppsspp/ppsspp.cpp

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ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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psp
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#include "psputils.hpp"
#include "specialgames.hpp"
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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// See: https://github.com/hrydgard/ppsspp
// Core/HLE (High Level Emulator)
// - sceCcc
// #void sceCccSetTable(u32 jis2ucs, u32 ucs2jis)
// int sceCccUTF8toUTF16(u32 dstAddr, u32 dstSize, u32 srcAddr)
// int sceCccUTF8toSJIS(u32 dstAddr, u32 dstSize, u32 srcAddr)
// int sceCccUTF16toUTF8(u32 dstAddr, u32 dstSize, u32 srcAddr)
// int sceCccUTF16toSJIS(u32 dstAddr, u32 dstSize, u32 srcAddr)
// int sceCccSJIStoUTF8(u32 dstAddr, u32 dstSize, u32 srcAddr)
// int sceCccSJIStoUTF16(u32 dstAddr, u32 dstSize, u32 srcAddr)
// int sceCccStrlenUTF8(u32 strAddr)
// int sceCccStrlenUTF16(u32 strAddr)
// int sceCccStrlenSJIS(u32 strAddr)
// u32 sceCccEncodeUTF8(u32 dstAddrAddr, u32 ucs)
// void sceCccEncodeUTF16(u32 dstAddrAddr, u32 ucs)
// u32 sceCccEncodeSJIS(u32 dstAddrAddr, u32 jis)
// u32 sceCccDecodeUTF8(u32 dstAddrAddr)
// u32 sceCccDecodeUTF16(u32 dstAddrAddr)
// u32 sceCccDecodeSJIS(u32 dstAddrAddr)
// int sceCccIsValidUTF8(u32 c)
// int sceCccIsValidUTF16(u32 c)
// int sceCccIsValidSJIS(u32 c)
// int sceCccIsValidUCS2(u32 c)
// int sceCccIsValidUCS4(u32 c)
// int sceCccIsValidJIS(u32 c)
// int sceCccIsValidUnicode(u32 c)
// #u32 sceCccSetErrorCharUTF8(u32 c)
// #u32 sceCccSetErrorCharUTF16(u32 c)
// #u32 sceCccSetErrorCharSJIS(u32 c)
// u32 sceCccUCStoJIS(u32 c, u32 alt)
// u32 sceCccJIStoUCS(u32 c, u32 alt)
// - sceFont: search charCode
// int sceFontGetCharInfo(u32 fontHandle, u32 charCode, u32 charInfoPtr)
// int sceFontGetShadowInfo(u32 fontHandle, u32 charCode, u32 charInfoPtr)
// int sceFontGetCharImageRect(u32 fontHandle, u32 charCode, u32 charRectPtr)
// int sceFontGetShadowImageRect(u32 fontHandle, u32 charCode, u32 charRectPtr)
// int sceFontGetCharGlyphImage(u32 fontHandle, u32 charCode, u32 glyphImagePtr)
// int sceFontGetCharGlyphImage_Clip(u32 fontHandle, u32 charCode, u32 glyphImagePtr, int clipXPos, int clipYPos, int clipWidth, int clipHeight)
// #int sceFontSetAltCharacterCode(u32 fontLibHandle, u32 charCode)
// int sceFontGetShadowGlyphImage(u32 fontHandle, u32 charCode, u32 glyphImagePtr)
// int sceFontGetShadowGlyphImage_Clip(u32 fontHandle, u32 charCode, u32 glyphImagePtr, int clipXPos, int clipYPos, int clipWidth, int clipHeight)
// - sceKernelInterrupt
// u32 sysclib_strcat(u32 dst, u32 src)
// int sysclib_strcmp(u32 dst, u32 src)
// u32 sysclib_strcpy(u32 dst, u32 src)
// u32 sysclib_strlen(u32 src)
//
// Sample debug string:
// 006EFD8E PUSH PPSSPPWi.00832188 ASCII "sceCccEncodeSJIS(%08x, U+%04x)"
// Corresponding source code in sceCcc:
// ERROR_LOG(HLE, "sceCccEncodeSJIS(%08x, U+%04x): invalid pointer", dstAddrAddr, jis);
struct PPSSPPFunction
{
psp
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const char *hookName; // hook name
int argIndex; // argument index
uint64_t hookType; // hook parameter type
int hookSplit; // hook parameter split, positive: stack, negative: registers
const char *pattern; // debug string used within the function
};
namespace
{
psp
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uintptr_t findleapushaddr(uintptr_t addr)
{
psp
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#ifndef _WIN64
addr = MemDbg::findPushAddress(addr, processStartAddress, processStopAddress);
if (!addr)
return NULL;
addr = SafeFindEnclosingAlignedFunction(addr, 0x200);
#else
addr = MemDbg::findleaaddr(addr, processStartAddress, processStopAddress);
if (!addr)
return NULL;
BYTE sig1[] = {
psp
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0xCC,
format
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0x48, 0x89, XX, 0x24, XX};
psp
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BYTE sig2[] = {
psp
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0xC3,
format
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0x48, 0x89, XX, 0x24, XX};
psp
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BYTE sig3[] = {
psp
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0xCC,
format
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0x89, XX, 0x24, XX4};
psp
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BYTE sig4[] = {
psp
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0xC3,
format
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0x89, XX, 0x24, XX};
psp
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int idx = 0;
uintptr_t maxaddr = 0;
for (auto sig : {sig1, sig2, sig3, sig4})
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{
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idx += 1;
maxaddr = max(maxaddr, reverseFindBytes(sig, (idx > 2) ? 5 : 6, addr - 0x500, addr, 1, true));
psp
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}
psp
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maxaddr = max(maxaddr, MemDbg::findEnclosingAlignedFunction_strict(addr, 0x500));
psp
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psp
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addr = maxaddr;
#endif
psp
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return addr;
}
}
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bool InsertPPSSPPHLEHooks()
{
psp
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auto functions = std::vector<PPSSPPFunction>{
// https://github.com/hrydgard/ppsspp/blob/master/Core/HLE/sceCcc.cpp
{"sceCccStrlenSJIS", GETARG1, USING_STRING, 0, "sceCccStrlenSJIS("},
{"sceCccStrlenUTF8", GETARG1, CODEC_UTF8 | USING_STRING, 0, "sceCccStrlenUTF8("},
{"sceCccStrlenUTF16", GETARG1, CODEC_UTF16 | USING_STRING, 0, "sceCccStrlenUTF16("},
{"sceCccSJIStoUTF8", GETARG3, USING_STRING, 0, "sceCccSJIStoUTF8("},
{"sceCccSJIStoUTF16", GETARG3, USING_STRING, 0, "sceCccSJIStoUTF16("},
{"sceCccUTF8toSJIS", GETARG3, CODEC_UTF8 | USING_STRING, 0, "sceCccUTF8toSJIS("},
{"sceCccUTF8toUTF16", GETARG3, CODEC_UTF8 | USING_STRING, 0, "sceCccUTF8toUTF16("},
{"sceCccUTF16toSJIS", GETARG3, CODEC_UTF16 | USING_STRING, 0, "sceCccUTF16toSJIS("},
{"sceCccUTF16toUTF8", GETARG3, CODEC_UTF16 | USING_STRING, 0, "sceCccUTF16toUTF8("},
// https://github.com/hrydgard/ppsspp/blob/master/Core/HLE/sceFont.cpp
{"sceFontGetCharInfo", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetCharInfo("},
{"sceFontGetShadowInfo", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetShadowInfo("},
{"sceFontGetCharImageRect", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetCharImageRect("},
{"sceFontGetShadowImageRect", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetShadowImageRect("},
{"sceFontGetCharGlyphImage", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetCharGlyphImage("},
{"sceFontGetCharGlyphImage_Clip", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetCharGlyphImage_Clip("},
{"sceFontGetShadowGlyphImage", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetShadowGlyphImage("},
{"sceFontGetShadowGlyphImage_Clip", GETARG2, CODEC_UTF16, GETARG1, "sceFontGetShadowGlyphImage_Clip("},
// https://github.com/hrydgard/ppsspp/blob/master/Core/HLE/sceKernelInterrupt.cpp
{"sysclib_strcat", GETARG2, USING_STRING, 0, "Untested sysclib_strcat("},
{"sysclib_strcpy", GETARG2, USING_STRING, 0, "Untested sysclib_strcpy("},
{"sysclib_strlen", GETARG1, USING_STRING, 0, "Untested sysclib_strlen("}
// Disabled as I am not sure how to deal with the source string
//, { "sceCccEncodeSJIS", 2, USING_STRING, 0, "sceCccEncodeSJIS(" }
//, { "sceCccEncodeUTF8", 2, CODEC_UTF8, 0, "sceCccEncodeUTF8(" }
//, { "sceCccEncodeUTF16", 2, CODEC_UTF16, 0, "sceCccEncodeUTF16(" }
//, { "sysclib_strcmp", 2, USING_STRING, 0, "Untested sysclib_strcmp(" }
};
auto succ = false;
for (auto &&function : functions)
{
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auto addr = MemDbg::findBytes(function.pattern, ::strlen(function.pattern), processStartAddress, processStopAddress);
psp
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if (!addr)
continue;
addr = findleapushaddr(addr);
if (!addr)
continue;
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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HookParam hp;
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hp.address = addr;
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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hp.type = function.hookType;
psp
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hp.offset = function.argIndex;
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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hp.split = function.hookSplit;
psp
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if (hp.split)
hp.type |= USING_SPLIT;
succ |= NewHook(hp, function.hookName);
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}
return succ;
}
ppsspp Update specialgames.hpp Update specialgames.hpp
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#if 0
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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bool PPSSPPinithooksearch(){
bool found = false;
SYSTEM_INFO systemInfo;
GetNativeSystemInfo(&systemInfo);
for (BYTE* probe = NULL; probe < systemInfo.lpMaximumApplicationAddress;)
{
MEMORY_BASIC_INFORMATION info;
if (!VirtualQuery(probe, &info, sizeof(info)))
{
probe += systemInfo.dwPageSize;
}
else
{
if (info.RegionSize == 0x1f00000 && info.Protect == PAGE_READWRITE && info.Type == MEM_MAPPED)
{
found = true;
ConsoleOutput("PPSSPP memory found: searching for hooks should yield working hook codes");
psp
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#ifndef _WIN64
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// PPSSPP 1.8.0 compiles jal to sub dword ptr [ebp+0x360],??
memcpy(spDefault.pattern, Array<BYTE>{ 0x83, 0xAD, 0x60, 0x03, 0x00, 0x00 }, spDefault.length = 6);
psp
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#else
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// PPSSPP 1.8.0 compiles jal to sub dword ptr [r14+0x360],??
memcpy(spDefault.pattern, Array<BYTE>{ 0x41, 0x83, 0xae, 0x60, 0x03, 0x00, 0x00 }, spDefault.length = 7);
psp
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#endif
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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spDefault.offset = 0;
spDefault.minAddress = 0;
spDefault.maxAddress = -1ULL;
spDefault.padding = (uintptr_t)probe - 0x8000000;
spDefault.hookPostProcessor = [](HookParam& hp)
{
hp.type |= NO_CONTEXT | USING_SPLIT | SPLIT_INDIRECT;
psp
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#ifndef _WIN64
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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hp.split = get_reg(regs::ebp);
hp.split_index =get_reg(regs::eax); // this is where PPSSPP 1.8.0 stores its return address stack
psp
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#else
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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hp.split = get_reg(regs::r14);
hp.split_index = -8; // this is where PPSSPP 1.8.0 stores its return address stack
psp
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#endif
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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};
}
probe += info.RegionSize;
}
}
return found;
}
ppsspp Update specialgames.hpp Update specialgames.hpp
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#endif
psp
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uintptr_t getDoJitAddress()
{
#ifndef _WIN64
auto string1 = "Jump target too far away, needs indirect register";
auto string2 = "Jump target too far away, needs force5Bytes = true";
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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auto addr1 = MemDbg::findBytes(string1, ::strlen(string1), processStartAddress, processStopAddress);
auto addr2 = MemDbg::findBytes(string2, ::strlen(string2), processStartAddress, processStopAddress);
psp
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if (addr1 == 0 || addr2 == 0)
return 0;
// 都是被push两次，但是都是第一个
addr1 = MemDbg::findPushAddress(addr1, processStartAddress, processStopAddress);
addr2 = MemDbg::findPushAddress(addr2, processStartAddress, processStopAddress);
if (addr1 == 0 || addr2 == 0)
return 0;
addr1 = MemDbg::findEnclosingAlignedFunction_strict(addr1, 0x100);
addr2 = MemDbg::findEnclosingAlignedFunction_strict(addr2, 0x100);
if (addr1 == 0 || addr2 == 0 || addr1 != addr2)
return 0;
auto xrefs = findxref_reverse_checkcallop(addr1, processStartAddress, processStopAddress, 0xe8);
if (xrefs.size() < 28)
return 0;
addr1 = MemDbg::findEnclosingAlignedFunction_strict(xrefs[xrefs.size() - 1 - 3], 0x400);
addr2 = MemDbg::findEnclosingAlignedFunction_strict(xrefs[xrefs.size() - 1 - 4], 0x400);
if (addr1 == 0 || addr2 == 0 || addr1 != addr2)
return 0;
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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return addr1;
psp
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#else
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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auto DoJitSig1 = "C7 83 ?? 0? 00 00 11 00 00 00 F6 83 ?? 0? 00 00 01 C7 83 ?? 0? 00 00 E4 00 00 00";
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auto first = find_pattern(DoJitSig1, processStartAddress, processStopAddress);
if (first)
{
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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auto beginSubSig1 = "55 41 ?? 41 ?? 41";
auto lookbackSize = 0x400;
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auto address = first - lookbackSize;
auto subs = find_pattern(beginSubSig1, address, address + lookbackSize);
if (subs)
{
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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return subs;
}
}
psp
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else
{
auto DoJitSig2 = "C7 83 ?? 0? 00 00 11 00 00 00 F6 83 ?? 0? 00 00 01 ?? ?? ?? ?? ?? ?? ?? C7 83 ?? 0? 00 00 E4 00 00 00";
first = find_pattern(DoJitSig2, processStartAddress, processStopAddress);
if (first)
{
first = MemDbg::findEnclosingAlignedFunction_strict(first, 0x400);
return first;
}
}
#endif
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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return 0;
}
psp
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namespace ppsspp
{
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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psp
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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;
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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}
psp
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std::unordered_set<uintptr_t> breakpoints;
Update ppsspp.cpp
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psp
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inline bool IsValidAddress(const uintptr_t address)
{
if ((address & 0x3E000000) == 0x08000000)
{
return true;
}
else if ((address & 0x3F800000) == 0x04000000)
{
return true;
}
else if ((address & 0xBFFFC000) == 0x00010000)
{
return true;
}
else if ((address & 0x3F000000) >= 0x08000000)
{ // && (address & 0x3F000000) < 0x08000000 + g_MemorySize) {
return true;
}
else
{
return false;
}
}
void dohookemaddr(uintptr_t em_address, uintptr_t ret)
{
jitaddraddr(em_address, ret, JITTYPE::PPSSPP);
Update ppsspp.cpp
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psp
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if (emfunctionhooks.find(em_address) == emfunctionhooks.end())
return;
if (!(checkiscurrentgame(emfunctionhooks.at(em_address))))
return;
Update ppsspp.cpp
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psp
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auto op = emfunctionhooks.at(em_address);
ConsoleOutput("jit function addr %p", ret);
#ifndef _WIN64
BYTE sig[] = {
0x8b, XX2, // mov reg,[ebp-off]
0x8b, 0xc6, // mov eax,esi
0x25, 0xff, 0xff, 0xff, 0x3f, // and eax,0x3fffffff
0x89, XX, XX4, // mov [eax+base+off],reg
Update ppsspp.cpp
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psp
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};
auto findbase = MemDbg::findBytes(sig, sizeof(sig), ret, ret + 0x20);
if (!findbase)
findbase = MemDbg::findBytes(sig, sizeof(sig), ret - 0x1000, ret + 0x1000);
if (!findbase)
ConsoleOutput("can't find emu_baseaddr");
PPSSPP::x86_baseaddr = (*(DWORD *)(findbase + 12)) & 0xffff0000;
ConsoleOutput("x86 base addr %p", PPSSPP::x86_baseaddr);
#endif
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::PPSSPP;
NewHook(hpinternal, op._id);
}
namespace
{
typedef DWORD u32;
typedef BYTE u8;
typedef WORD u16;
const int MAX_JIT_BLOCK_EXITS = 8;
namespace Memory
{
struct Opcode
{
Opcode()
{
}
explicit Opcode(u32 v) : encoding(v)
{
}
u32 operator&(const u32 &arg) const
{
return encoding & arg;
}
u32 operator>>(const u32 &arg) const
{
return encoding >> arg;
}
bool operator==(const u32 &arg) const
{
return encoding == arg;
}
bool operator!=(const u32 &arg) const
{
return encoding != arg;
}
u32 encoding;
};
Update ppsspp.cpp
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psp
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}
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psp
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typedef Memory::Opcode MIPSOpcode;
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psp
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struct JitBlock
{
bool ContainsAddress(u32 em_address) const;
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const u8 *checkedEntry; // const, we have to translate to writable.
const u8 *normalEntry;
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psp
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u8 *exitPtrs[MAX_JIT_BLOCK_EXITS]; // to be able to rewrite the exit jump
u32 exitAddress[MAX_JIT_BLOCK_EXITS]; // 0xFFFFFFFF == unknown
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psp
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u32 originalAddress;
MIPSOpcode originalFirstOpcode; // to be able to restore
uint64_t compiledHash;
u16 codeSize;
u16 originalSize;
u16 blockNum;
Update ppsspp.cpp
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psp
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bool invalid;
bool linkStatus[MAX_JIT_BLOCK_EXITS];
Update ppsspp.cpp
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psp
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#ifdef USE_VTUNE
char blockName[32];
#endif
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psp
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// By having a pointer, we avoid a constructor/destructor being generated and dog slow
// performance in debug.
std::vector<u32> *proxyFor;
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psp
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bool IsPureProxy() const
{
return originalFirstOpcode.encoding == 0x68FF0000;
}
void SetPureProxy()
{
// Magic number that won't be a real opcode.
originalFirstOpcode.encoding = 0x68FF0000;
}
};
}
Update ppsspp.cpp
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psp
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void unsafeoncegetJitBlockCache(hook_stack *stack)
{
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// class JitBlockCache : public JitBlockCacheDebugInterface {
//...
// JitBlock *blocks_ = nullptr;
// std::unordered_multimap<u32, int> proxyBlockMap_; ->64
// int num_blocks_ = 0;
#ifdef _WIN64
auto num_blocks_ = *(uint32_t *)(stack->rcx + 72 + 16 + 88);
auto blocks_ = (JitBlock *)*(uintptr_t *)(stack->rcx + 72 + 16 + 88 - 64 - 8);
#else
auto num_blocks_ = *(uint32_t *)(stack->ecx + 88);
auto blocks_ = (JitBlock *)*(uintptr_t *)(stack->ecx + 88 - 32 - 4);
#endif
int checkvalid = 0;
num_blocks_ -= 1; // last one is now dojiting
for (int i = 0; i < num_blocks_; i++)
{
if (IsValidAddress(blocks_[i].originalAddress) && blocks_[i].normalEntry)
checkvalid += 1;
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}
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if (checkvalid < num_blocks_ / 2)
return;
for (int i = 0; i < num_blocks_; i++)
{
if (IsValidAddress(blocks_[i].originalAddress) && blocks_[i].normalEntry)
{
dohookemaddr(blocks_[i].originalAddress, (uintptr_t)blocks_[i].normalEntry);
delayinsertNewHook(blocks_[i].originalAddress);
}
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}
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return;
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}
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bool oncegetJitBlockCache(hook_stack *stack)
{
// 在游戏中途hook，获取已compiled jit
// 虽然只有在每次进行jit时才会触发，不过测试后续触发的也挺频繁的。
__try
{
unsafeoncegetJitBlockCache(stack);
}
__except (EXCEPTION_EXECUTE_HANDLER)
{
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}
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return true;
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}
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bool hookPPSSPPDoJit()
{
auto DoJitPtr = getDoJitAddress();
if (DoJitPtr == 0)
return false;
spDefault.jittype = JITTYPE::PPSSPP;
spDefault.minAddress = 0;
spDefault.maxAddress = -1;
HookParam hp;
hp.address = DoJitPtr; // Jit::DoJit
ConsoleOutput("DoJitPtr %p", DoJitPtr);
hp.user_value = (uintptr_t) new uintptr_t;
hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
static auto once1 = oncegetJitBlockCache(stack);
auto em_address = stack->THISCALLARG1;
*(uintptr_t *)(hp->user_value) = em_address;
HookParam hpinternal;
hpinternal.user_value = hp->user_value;
hpinternal.address = stack->retaddr;
hpinternal.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
auto em_address = *(uintptr_t *)(hp->user_value);
if (!IsValidAddress(em_address))
return;
[&]()
{
auto ret = stack->LASTRETVAL;
if (breakpoints.find(ret) != breakpoints.end())
return;
breakpoints.insert(ret);
dohookemaddr(em_address, ret);
}();
delayinsertNewHook(em_address);
};
static auto once = NewHook(hpinternal, "DoJitPtrRet");
};
Update ppsspp.cpp
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return NewHook(hp, "PPSSPPDoJit");
}
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}
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namespace
{
// ULJS00035 ULJS00149 流行り神
void *findGetPointer()
{
char GetPointer[] = "Unknown GetPointer %08x PC %08x LR %08x";
auto addr = MemDbg::findBytes(GetPointer, sizeof(GetPointer), processStartAddress, processStopAddress);
if (!addr)
return nullptr;
addr = findleapushaddr(addr);
return (void *)addr;
}
bool Replace_memcpy()
{
// static int Replace_memcpy() {
// u32 destPtr = PARAM(0);
// u32 srcPtr = PARAM(1);
// u32 bytes = PARAM(2);
static auto GetPointer = (uintptr_t(*)(uintptr_t))findGetPointer();
if (!GetPointer)
return false;
ConsoleOutput("GetPointer %p", GetPointer);
char ReplaceMemcpy_VideoDecodeRange[] = "ReplaceMemcpy/VideoDecodeRange";
auto addr = MemDbg::findBytes(ReplaceMemcpy_VideoDecodeRange, sizeof(ReplaceMemcpy_VideoDecodeRange), processStartAddress, processStopAddress);
if (!addr)
return false;
ConsoleOutput("ReplaceMemcpy/VideoDecodeRange %p", addr);
#ifndef _WIN64
BYTE sig[] = {0xb9, XX4};
*(uintptr_t *)(sig + 1) = addr;
bool succ = false;
for (auto addr : Util::SearchMemory(sig, sizeof(sig), PAGE_EXECUTE, processStartAddress, processStopAddress))
{
BYTE sig1[] = {
0x55, 0x8b, 0xec,
0x81, 0xec, XX4,
format
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0x8b, 0x0d, XX4};
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addr = reverseFindBytes(sig1, sizeof(sig1), addr - 0x200, addr);
if (!addr)
continue;
DWORD off_106D180 = *(DWORD *)(addr + sizeof(sig1) - 4);
HookParam hp;
hp.user_value = *(DWORD *)off_106D180;
#else
bool succ = false;
for (auto addr : MemDbg::findleaaddr_all(addr, processStartAddress, processStopAddress))
{
BYTE sig1[] = {
0x48, 0x89, XX, 0x24, 0x18,
0x48, 0x89, XX, 0x24, 0x20,
0x57,
0x48, 0x81, 0xec, XX4,
0x48, 0x8b, XX, XX4};
addr = reverseFindBytes(sig1, sizeof(sig1), addr - 0x200, addr);
if (!addr)
continue;
DWORD off_140F4C810 = *(DWORD *)(addr + sizeof(sig1) - 4);
HookParam hp;
hp.user_value = *(uintptr_t *)(off_140F4C810 + addr + sizeof(sig1));
#endif
hp.address = addr;
hp.text_fun = [](hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
auto bytes = *((DWORD *)hp->user_value + 6);
auto srcPtr = GetPointer(*((DWORD *)hp->user_value + 5));
if (!IsDBCSLeadByteEx(932, *(BYTE *)srcPtr))
return;
if (bytes != 2)
return;
if (bytes != strnlen((char *)srcPtr, TEXT_BUFFER_SIZE))
return;
*data = (uintptr_t)srcPtr;
*len = bytes;
};
succ |= NewHook(hp, "Replace_memcpy");
}
return succ;
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}
}
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bool InsertPPSSPPcommonhooks()
{
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auto succ = ppsspp::hookPPSSPPDoJit();
succ |= InsertPPSSPPHLEHooks();
succ |= Replace_memcpy();
return succ;
ppsspp 1 1 Update PPSSPP.cpp Update PPSSPP.cpp
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}
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