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Fix some jumps to original functions by placing the replaced intruction after setting CTR

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Maschell 2024-02-26 16:38:34 +01:00
parent 597788ff96
commit 8de9c37137
1 changed files with 6 additions and 6 deletions
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12
source/PatchedFunctionData.cpp
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@ -232,15 +232,15 @@ void PatchedFunctionData::generateJumpToOriginal() {
uint32_t jumpToAddress = this->realEffectiveFunctionAddress + 4; uint32_t jumpToAddress = this->realEffectiveFunctionAddress + 4;
this->jumpToOriginal[0] = this->replacedInstruction;
if (((uint32_t) jumpToAddress & 0x01FFFFFC) != (uint32_t) jumpToAddress) { if (((uint32_t) jumpToAddress & 0x01FFFFFC) != (uint32_t) jumpToAddress) {
// We need to do a long jump // We need to do a long jump
this->jumpToOriginal[1] = 0x3d600000 | ((jumpToAddress >> 16) & 0x0000FFFF); // lis r11 ,0x1234 this->jumpToOriginal[0] = 0x3d600000 | ((jumpToAddress >> 16) & 0x0000FFFF); // lis r11 ,0x1234
this->jumpToOriginal[2] = 0x616b0000 | (jumpToAddress & 0x0000ffff); // ori r11 ,r11 ,0x5678 this->jumpToOriginal[1] = 0x616b0000 | (jumpToAddress & 0x0000ffff); // ori r11 ,r11 ,0x5678
this->jumpToOriginal[3] = 0x7d6903a6; // mtspr CTR ,r11 this->jumpToOriginal[2] = 0x7d6903a6; // mtspr CTR ,r11
this->jumpToOriginal[4] = 0x4e800420; // bctr this->jumpToOriginal[3] = this->replacedInstruction;
this->jumpToOriginal[4] = 0x4e800420; // bctr
} else { } else {
this->jumpToOriginal[0] = this->replacedInstruction;
this->jumpToOriginal[1] = 0x48000002 | (jumpToAddress & 0x01FFFFFC); this->jumpToOriginal[1] = 0x48000002 | (jumpToAddress & 0x01FFFFFC);
} }