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Uncomment switch analyser.
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Skyth
parent
594a339a77
commit
fc43264f72
1 changed files with 118 additions and 118 deletions
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@ -198,142 +198,142 @@ int main()
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//auto op = PPC_OP(insn.instruction);
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//auto xop = PPC_XOP(insn.instruction);
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//auto printTable = [&](const SwitchTable& table)
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// {
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// println("[[switch]]");
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// println("base = 0x{:X}", table.base);
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// println("r = {}", table.r);
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// println("default = 0x{:X}", table.defaultLabel);
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// println("labels = [");
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// for (const auto& label : table.labels)
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// {
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// println(" 0x{:X},", label);
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// }
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auto printTable = [&](const SwitchTable& table)
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{
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println("[[switch]]");
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println("base = 0x{:X}", table.base);
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println("r = {}", table.r);
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println("default = 0x{:X}", table.defaultLabel);
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println("labels = [");
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for (const auto& label : table.labels)
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{
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println(" 0x{:X},", label);
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}
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// println("]");
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// println("");
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// };
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println("]");
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println("");
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};
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//std::vector<SwitchTable> switches{};
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std::vector<SwitchTable> switches{};
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//auto insertTable = [&](size_t base, size_t defaultLabel, size_t r, size_t nLabels, uint32_t type)
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// {
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// auto& sw = switches.emplace_back();
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// sw.base = base;
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// sw.defaultLabel = defaultLabel;
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// sw.r = r;
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// sw.labels.resize(nLabels);
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// sw.type = type;
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// };
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auto insertTable = [&](size_t base, size_t defaultLabel, size_t r, size_t nLabels, uint32_t type)
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{
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auto& sw = switches.emplace_back();
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sw.base = base;
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sw.defaultLabel = defaultLabel;
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sw.r = r;
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sw.labels.resize(nLabels);
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sw.type = type;
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};
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//println("# Generated by PowerAnalyse");
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//insertTable(0x830ADAD8, 0x830ADB28, 11, 0x1B, SWITCH_COMPUTED);
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//insertTable(0x830AE1B0, 0x830AE21C, 11, 0x1B, SWITCH_BYTEOFFSET);
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//insertTable(0x82CFE120, 0x82CFDE68, 11, 0x10, SWITCH_SHORTOFFSET);
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println("# Generated by PowerAnalyse");
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insertTable(0x830ADAD8, 0x830ADB28, 11, 0x1B, SWITCH_COMPUTED);
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insertTable(0x830AE1B0, 0x830AE21C, 11, 0x1B, SWITCH_BYTEOFFSET);
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insertTable(0x82CFE120, 0x82CFDE68, 11, 0x10, SWITCH_SHORTOFFSET);
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//println("# ---- MANUAL JUMPTABLE ----");
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//for (auto& table : switches)
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//{
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// ReadTable(image, table);
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// printTable(table);
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//}
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println("# ---- MANUAL JUMPTABLE ----");
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for (auto& table : switches)
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{
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ReadTable(image, table);
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printTable(table);
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}
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//auto scanPattern = [&](uint32_t* pattern, size_t count, size_t type)
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// {
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// for (const auto& section : image.sections)
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// {
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// if (!(section.flags & SectionFlags_Code))
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// {
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// continue;
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// }
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auto scanPattern = [&](uint32_t* pattern, size_t count, size_t type)
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{
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for (const auto& section : image.sections)
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{
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if (!(section.flags & SectionFlags_Code))
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{
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continue;
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}
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// size_t base = section.base;
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// uint8_t* data = section.data;
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// uint8_t* dataStart = section.data;
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// uint8_t* dataEnd = section.data + section.size;
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// while (data < dataEnd && data != nullptr)
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// {
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// data = (uint8_t*)SearchMask(data, pattern, count, dataEnd - data);
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size_t base = section.base;
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uint8_t* data = section.data;
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uint8_t* dataStart = section.data;
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uint8_t* dataEnd = section.data + section.size;
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while (data < dataEnd && data != nullptr)
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{
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data = (uint8_t*)SearchMask(data, pattern, count, dataEnd - data);
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// if (data != nullptr)
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// {
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// SwitchTable table{};
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// table.type = type;
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// ScanTable((uint32_t*)data, base + (data - dataStart), table);
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if (data != nullptr)
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{
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SwitchTable table{};
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table.type = type;
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ScanTable((uint32_t*)data, base + (data - dataStart), table);
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// // std::println("{:X} ; jmptable - {}", base + (data - dataStart), table.labels.size());
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// if (table.base != 0)
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// {
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// ReadTable(image, table);
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// printTable(table);
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// switches.emplace_back(std::move(table));
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// }
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// std::println("{:X} ; jmptable - {}", base + (data - dataStart), table.labels.size());
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if (table.base != 0)
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{
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ReadTable(image, table);
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printTable(table);
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switches.emplace_back(std::move(table));
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}
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// data += 4;
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// }
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// continue;
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// }
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// }
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// };
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data += 4;
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}
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continue;
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}
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}
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};
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//uint32_t absoluteSwitch[] =
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//{
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// PPC_INST_LIS,
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// PPC_INST_ADDI,
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// PPC_INST_RLWINM,
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// PPC_INST_LWZX,
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// PPC_INST_MTCTR,
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// PPC_INST_BCTR,
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//};
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uint32_t absoluteSwitch[] =
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{
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PPC_INST_LIS,
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PPC_INST_ADDI,
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PPC_INST_RLWINM,
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PPC_INST_LWZX,
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PPC_INST_MTCTR,
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PPC_INST_BCTR,
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};
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//uint32_t computedSwitch[] =
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//{
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// PPC_INST_LIS,
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// PPC_INST_ADDI,
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// PPC_INST_LBZX,
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// PPC_INST_RLWINM,
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// PPC_INST_LIS,
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// PPC_INST_ADDI,
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// PPC_INST_ADD,
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// PPC_INST_MTCTR,
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//};
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uint32_t computedSwitch[] =
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{
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PPC_INST_LIS,
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PPC_INST_ADDI,
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PPC_INST_LBZX,
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PPC_INST_RLWINM,
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PPC_INST_LIS,
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PPC_INST_ADDI,
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PPC_INST_ADD,
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PPC_INST_MTCTR,
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};
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//uint32_t offsetSwitch[] =
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//{
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// PPC_INST_LIS,
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// PPC_INST_ADDI,
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// PPC_INST_LBZX,
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// PPC_INST_LIS,
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// PPC_INST_ADDI,
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// PPC_INST_ADD,
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// PPC_INST_MTCTR,
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//};
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uint32_t offsetSwitch[] =
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{
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PPC_INST_LIS,
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PPC_INST_ADDI,
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PPC_INST_LBZX,
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PPC_INST_LIS,
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PPC_INST_ADDI,
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PPC_INST_ADD,
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PPC_INST_MTCTR,
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};
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//uint32_t wordOffsetSwitch[] =
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//{
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// PPC_INST_LIS,
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// PPC_INST_ADDI,
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// PPC_INST_RLWINM,
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// PPC_INST_LHZX,
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// PPC_INST_LIS,
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// PPC_INST_ADDI,
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// PPC_INST_ADD,
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// PPC_INST_MTCTR,
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//};
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uint32_t wordOffsetSwitch[] =
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{
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PPC_INST_LIS,
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PPC_INST_ADDI,
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PPC_INST_RLWINM,
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PPC_INST_LHZX,
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PPC_INST_LIS,
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PPC_INST_ADDI,
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PPC_INST_ADD,
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PPC_INST_MTCTR,
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};
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//println("# ---- ABSOLUTE JUMPTABLE ----");
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//scanPattern(absoluteSwitch, std::size(absoluteSwitch), SWITCH_ABSOLUTE);
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println("# ---- ABSOLUTE JUMPTABLE ----");
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scanPattern(absoluteSwitch, std::size(absoluteSwitch), SWITCH_ABSOLUTE);
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//println("# ---- COMPUTED JUMPTABLE ----");
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//scanPattern(computedSwitch, std::size(computedSwitch), SWITCH_COMPUTED);
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println("# ---- COMPUTED JUMPTABLE ----");
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scanPattern(computedSwitch, std::size(computedSwitch), SWITCH_COMPUTED);
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//println("# ---- OFFSETED JUMPTABLE ----");
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//scanPattern(offsetSwitch, std::size(offsetSwitch), SWITCH_BYTEOFFSET);
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//scanPattern(wordOffsetSwitch, std::size(wordOffsetSwitch), SWITCH_SHORTOFFSET);
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println("# ---- OFFSETED JUMPTABLE ----");
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scanPattern(offsetSwitch, std::size(offsetSwitch), SWITCH_BYTEOFFSET);
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scanPattern(wordOffsetSwitch, std::size(wordOffsetSwitch), SWITCH_SHORTOFFSET);
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//FILE* f = fopen("out/switches.toml", "w");
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//fwrite(out.data(), 1, out.size(), f);
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//fclose(f);
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FILE* f = fopen("out/switches.toml", "w");
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fwrite(out.data(), 1, out.size(), f);
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fclose(f);
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uint32_t cxxFrameHandler = std::byteswap(0x831B1C90);
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uint32_t cSpecificFrameHandler = std::byteswap(0x8324B3BC);
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