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Revert "Switched from mapping target process memory to svcReadProcessMemory & svcWriteProcessMemory functions."

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This reverts commit c5c8dca14c.
This commit is contained in:
Duckbill 2018-01-16 09:54:55 +03:00
parent c5c8dca14c
commit 1fd689f5da
1 changed files with 101 additions and 87 deletions
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188
sysmodules/rosalina/source/menus/cheats.c
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@ -55,6 +55,9 @@ typedef struct CheatDescription
u64 codes[0];
} CheatDescription;
u32 codeStartAddress, heapStartAddress;
u32 codeTotalSize, heapTotalSize;
CheatDescription* cheats[1024] = { 0 };
u8 cheatFileBuffer[16384] = { 0 };
u32 cheatFilePos = 0;
@ -115,81 +118,75 @@ u64 cheatTitleInfo = -1ULL;
char failureReason[64];
static bool Cheat_IsValidAddress(const Handle processHandle, u32 address, u32 size)
static bool Cheat_IsValidAddress(u32 address, u32 size)
{
MemInfo info;
PageInfo out;
Result res = svcQueryDebugProcessMemory(&info, &out, processHandle, address);
if (R_SUCCEEDED(res) && info.state != MEMSTATE_FREE && info.base_addr > 0 && info.base_addr <= address && address <= info.base_addr + info.size - size) {
if (codeStartAddress > 0 && codeStartAddress <= address && address <= codeStartAddress + codeTotalSize - size)
{
return true;
}
if (heapStartAddress > 0 && heapStartAddress <= address && address <= heapStartAddress + heapTotalSize - size)
{
return true;
}
return false;
}
static u32 ReadWriteBuffer32 = 0;
static u16 ReadWriteBuffer16 = 0;
static u8 ReadWriteBuffer8 = 0;
static bool Cheat_Write8(const Handle processHandle, u32 offset, u8 value)
static bool Cheat_Write8(u32 offset, u8 value)
{
if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 1))
if (Cheat_IsValidAddress(cheat_state.offset + offset, 1))
{
*((u8*) (&ReadWriteBuffer8)) = value;
return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer8, cheat_state.offset + offset, 1));
*((u8*) (cheat_state.offset + offset)) = value;
return true;
}
return false;
}
static bool Cheat_Write16(const Handle processHandle, u32 offset, u16 value)
static bool Cheat_Write16(u32 offset, u16 value)
{
if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 2))
if (Cheat_IsValidAddress(cheat_state.offset + offset, 2))
{
*((u16*) (&ReadWriteBuffer16)) = value;
return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer16, cheat_state.offset + offset, 2));
*((u16*) (cheat_state.offset + offset)) = value;
return true;
}
return false;
}
static bool Cheat_Write32(const Handle processHandle, u32 offset, u32 value)
static bool Cheat_Write32(u32 offset, u32 value)
{
if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 4))
if (Cheat_IsValidAddress(cheat_state.offset + offset, 4))
{
*((u32*) (&ReadWriteBuffer32)) = value;
return R_SUCCEEDED(svcWriteProcessMemory(processHandle, &ReadWriteBuffer32, cheat_state.offset + offset, 4));
*((u32*) (cheat_state.offset + offset)) = value;
return true;
}
return false;
}
static bool Cheat_Read8(const Handle processHandle, u32 offset, u8* retValue)
static bool Cheat_Read8(u32 offset, u8* retValue)
{
if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 1))
if (Cheat_IsValidAddress(cheat_state.offset + offset, 1))
{
Result res = svcReadProcessMemory(&ReadWriteBuffer8, processHandle, cheat_state.offset + offset, 1);
*retValue = *((u8*) (&ReadWriteBuffer8));
return R_SUCCEEDED(res);
*retValue = *((u8*) (cheat_state.offset + offset));
return true;
}
return false;
}
static bool Cheat_Read16(const Handle processHandle, u32 offset, u16* retValue)
static bool Cheat_Read16(u32 offset, u16* retValue)
{
if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 2))
if (Cheat_IsValidAddress(cheat_state.offset + offset, 2))
{
Result res = svcReadProcessMemory(&ReadWriteBuffer16, processHandle, cheat_state.offset + offset, 2);
*retValue = *((u16*) (&ReadWriteBuffer16));
return R_SUCCEEDED(res);
*retValue = *((u16*) (cheat_state.offset + offset));
return true;
}
return false;
}
static bool Cheat_Read32(const Handle processHandle, u32 offset, u32* retValue)
static bool Cheat_Read32(u32 offset, u32* retValue)
{
if (Cheat_IsValidAddress(processHandle, cheat_state.offset + offset, 4))
if (Cheat_IsValidAddress(cheat_state.offset + offset, 4))
{
Result res = svcReadProcessMemory(&ReadWriteBuffer32, processHandle, cheat_state.offset + offset, 4);
*retValue = *((u32*) (&ReadWriteBuffer32));
return R_SUCCEEDED(res);
*retValue = *((u32*) (cheat_state.offset + offset));
return true;
}
return false;
}
@ -211,7 +208,7 @@ static u8 Cheat_GetNextTypeE(const CheatDescription* cheat)
return (u8) ((cheat->codes[cheat_state.typeELine] >> (typeEMapping[cheat_state.typeEIdx])) & 0xFF);
}
static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription* const cheat)
static u32 Cheat_ApplyCheat(const CheatDescription* const cheat)
{
cheat_state.index = 0;
cheat_state.offset = 0;
@ -244,7 +241,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
// Description: 32bit write of YYYYYYYY to 0XXXXXXX.
if (!skipExecution)
{
if (!Cheat_Write32(processHandle, (arg0 & 0x0FFFFFFF), arg1)) return 0;
if (!Cheat_Write32((arg0 & 0x0FFFFFFF), arg1)) return 0;
}
break;
case 0x1:
@ -253,7 +250,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
// Description: 16bit write of YYYY to 0XXXXXXX.
if (!skipExecution)
{
if (!Cheat_Write16(processHandle, (arg0 & 0x0FFFFFFF), (u16) (arg1 & 0xFFFF))) return 0;
if (!Cheat_Write16((arg0 & 0x0FFFFFFF), (u16) (arg1 & 0xFFFF))) return 0;
}
break;
case 0x2:
@ -262,7 +259,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
// Description: 8bit write of YY to 0XXXXXXX.
if (!skipExecution)
{
if (!Cheat_Write8(processHandle, (arg0 & 0x0FFFFFFF), (u8) (arg1 & 0xFF))) return 0;
if (!Cheat_Write8((arg0 & 0x0FFFFFFF), (u8) (arg1 & 0xFF))) return 0;
}
break;
case 0x3:
@ -274,7 +271,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
{
u32 newSkip;
u32 value = 0;
if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0;
if (value < arg1)
{
newSkip = 0;
@ -298,7 +295,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
{
u32 newSkip;
u32 value = 0;
if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0;
if (value > arg1)
{
newSkip = 0;
@ -322,7 +319,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
{
u32 newSkip;
u32 value = 0;
if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0;
if (value == arg1)
{
newSkip = 0;
@ -346,7 +343,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
{
u32 newSkip;
u32 value = 0;
if (!Cheat_Read32(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read32(arg0 & 0x0FFFFFFF, &value)) return 0;
if (value != arg1)
{
newSkip = 0;
@ -371,7 +368,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
u32 newSkip;
u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
u16 value = 0;
if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0;
if ((value & (~mask)) < (arg1 & 0xFFFF))
{
newSkip = 0;
@ -396,7 +393,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
u32 newSkip;
u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
u16 value = 0;
if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0;
if ((value & (~mask)) > (arg1 & 0xFFFF))
{
newSkip = 0;
@ -421,7 +418,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
u32 newSkip;
u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
u16 value = 0;
if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0;
if ((value & (~mask)) == (arg1 & 0xFFFF))
{
newSkip = 0;
@ -446,7 +443,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
u32 newSkip;
u16 mask = (u16) ((arg1 >> 16) & 0xFFFF);
u16 value = 0;
if (!Cheat_Read16(processHandle, arg0 & 0x0FFFFFFF, &value)) return 0;
if (!Cheat_Read16(arg0 & 0x0FFFFFFF, &value)) return 0;
if ((value & (~mask)) != (arg1 & 0xFFFF))
{
newSkip = 0;
@ -662,7 +659,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
// Example: D3000000 023D6B28
if (!skipExecution)
{
if (!Cheat_Write32(processHandle, arg1, cheat_state.data)) return 0;
if (!Cheat_Write32(arg1, cheat_state.data)) return 0;
cheat_state.offset += 4;
}
break;
@ -675,7 +672,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
// Example: D7000000 023D6B28
if (!skipExecution)
{
if (!Cheat_Write16(processHandle, arg1, (u16) (cheat_state.data & 0xFFFF))) return 0;
if (!Cheat_Write16(arg1, (u16) (cheat_state.data & 0xFFFF))) return 0;
cheat_state.offset += 2;
}
break;
@ -688,7 +685,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
// Example: D8000000 023D6B28
if (!skipExecution)
{
if (!Cheat_Write8(processHandle, arg1, (u8) (cheat_state.data & 0xFF))) return 0;
if (!Cheat_Write8(arg1, (u8) (cheat_state.data & 0xFF))) return 0;
cheat_state.offset += 1;
}
break;
@ -702,7 +699,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
if (!skipExecution)
{
u32 value = 0;
if (!Cheat_Read32(processHandle, arg1, &value)) return 0;
if (!Cheat_Read32(arg1, &value)) return 0;
cheat_state.data = value;
}
break;
@ -716,7 +713,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
if (!skipExecution)
{
u16 value = 0;
if (!Cheat_Read16(processHandle, arg1, &value)) return 0;
if (!Cheat_Read16(arg1, &value)) return 0;
cheat_state.data = value;
}
break;
@ -730,7 +727,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
if (!skipExecution)
{
u8 value = 0;
if (!Cheat_Read8(processHandle, arg1, &value)) return 0;
if (!Cheat_Read8(arg1, &value)) return 0;
cheat_state.data = value;
}
break;
@ -786,7 +783,7 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
u8 byte = Cheat_GetNextTypeE(cheat);
if (!skipExecution)
{
if (!Cheat_Write8(processHandle, beginOffset + i, byte)) return 0;
if (!Cheat_Write8(beginOffset + i, byte)) return 0;
}
}
cheat_state.index = cheat_state.typeELine;
@ -800,45 +797,66 @@ static u32 Cheat_ApplyCheat(const Handle processHandle, const CheatDescription*
return 1;
}
static void Cheat_EatEvents(Handle debug)
{
DebugEventInfo info;
Result r;
while(true)
{
if((r = svcGetProcessDebugEvent(&info, debug)) != 0)
{
if(r == (s32)(0xd8402009))
{
break;
}
}
svcContinueDebugEvent(debug, 3);
}
}
static Result Cheat_MapMemoryAndApplyCheat(u32 pid, CheatDescription* const cheat)
{
Handle processHandle;
Handle debugHandle;
Result res;
res = svcOpenProcess(&processHandle, pid);
if (R_SUCCEEDED(res))
{
res = svcDebugActiveProcess(&debugHandle, pid);
if (R_SUCCEEDED(res))
{
Cheat_EatEvents(debugHandle);
cheat->valid = Cheat_ApplyCheat(debugHandle, cheat);
svcCloseHandle(debugHandle);
u32 codeDestAddress, heapDestAddress;
s64 textStartAddress, textTotalRoundedSize, rodataTotalRoundedSize, dataTotalRoundedSize;
svcGetProcessInfo(&textTotalRoundedSize, processHandle, 0x10002);
svcGetProcessInfo(&rodataTotalRoundedSize, processHandle, 0x10003);
svcGetProcessInfo(&dataTotalRoundedSize, processHandle, 0x10004);
svcGetProcessInfo(&textStartAddress, processHandle, 0x10005);
codeTotalSize = (u32) (textTotalRoundedSize + rodataTotalRoundedSize + dataTotalRoundedSize);
codeDestAddress = codeStartAddress = (u32) textStartAddress; //should be 0x00100000
MemInfo info;
PageInfo out;
heapDestAddress = heapStartAddress = 0x08000000;
svcQueryProcessMemory(&info, &out, processHandle, heapStartAddress);
heapTotalSize = info.size;
Result codeRes = svcMapProcessMemoryEx(processHandle, codeDestAddress, codeStartAddress, codeTotalSize);
if (R_FAILED(codeRes))
{
codeStartAddress = codeTotalSize = 0;
}
Result heapRes = svcMapProcessMemoryEx(processHandle, heapDestAddress, heapStartAddress, heapTotalSize);
if (R_FAILED(heapRes))
{
heapStartAddress = heapTotalSize = 0;
}
if (R_SUCCEEDED(codeRes) || R_SUCCEEDED(heapRes))
{
cheat->valid = Cheat_ApplyCheat(cheat);
if (R_SUCCEEDED(codeRes))
{
svcUnmapProcessMemoryEx(processHandle, codeDestAddress, codeTotalSize);
}
if (R_SUCCEEDED(heapRes))
{
svcUnmapProcessMemoryEx(processHandle, heapDestAddress, heapTotalSize);
}
svcCloseHandle(processHandle);
cheat->active = 1;
}
else
{
svcCloseHandle(processHandle);
sprintf(failureReason, "Can not map any memory");
return codeRes;
}
}
else
@ -1055,12 +1073,8 @@ static void Cheat_LoadCheatsIntoMemory(u64 titleId)
Cheat_AddCode(cheat, tmp);
if (((tmp >> 32) & 0xFFFFFFFF) == 0xDD000000)
{
if (tmp & 0xFFFFFFFF)
{
// Not empty key code
cheat->keyCombo |= (tmp & 0xFFF);
cheat->keyActivated = 1;
}
cheat->keyCombo |= (tmp & 0xFFF);
cheat->keyActivated = 1;
}
}
}