Merge pull request #1498 from lioncash/aslr
svc: Clarify enum values for AddressSpaceBaseAddr and AddressSpaceSize in svcGetInfo()
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commit
6e8752881c
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@ -448,25 +448,12 @@ static ResultCode GetInfo(u64* result, u64 info_id, u64 handle, u64 info_sub_id)
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case GetInfoType::RandomEntropy:
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case GetInfoType::RandomEntropy:
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*result = 0;
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*result = 0;
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break;
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break;
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case GetInfoType::AddressSpaceBaseAddr:
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case GetInfoType::ASLRRegionBaseAddr:
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*result = vm_manager.GetCodeRegionBaseAddress();
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*result = vm_manager.GetASLRRegionBaseAddress();
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break;
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break;
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case GetInfoType::AddressSpaceSize: {
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case GetInfoType::ASLRRegionSize:
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const u64 width = vm_manager.GetAddressSpaceWidth();
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*result = vm_manager.GetASLRRegionSize();
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switch (width) {
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case 32:
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*result = 0xFFE00000;
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break;
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break;
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case 36:
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*result = 0xFF8000000;
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break;
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case 39:
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*result = 0x7FF8000000;
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break;
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}
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break;
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}
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case GetInfoType::NewMapRegionBaseAddr:
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case GetInfoType::NewMapRegionBaseAddr:
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*result = vm_manager.GetNewMapRegionBaseAddress();
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*result = vm_manager.GetNewMapRegionBaseAddress();
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break;
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break;
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@ -41,8 +41,8 @@ enum class GetInfoType : u64 {
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RandomEntropy = 11,
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RandomEntropy = 11,
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PerformanceCounter = 0xF0000002,
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PerformanceCounter = 0xF0000002,
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// 2.0.0+
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// 2.0.0+
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AddressSpaceBaseAddr = 12,
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ASLRRegionBaseAddr = 12,
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AddressSpaceSize = 13,
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ASLRRegionSize = 13,
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NewMapRegionBaseAddr = 14,
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NewMapRegionBaseAddr = 14,
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NewMapRegionSize = 15,
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NewMapRegionSize = 15,
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// 3.0.0+
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// 3.0.0+
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@ -393,30 +393,35 @@ void VMManager::InitializeMemoryRegionRanges(FileSys::ProgramAddressSpaceType ty
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switch (type) {
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switch (type) {
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case FileSys::ProgramAddressSpaceType::Is32Bit:
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case FileSys::ProgramAddressSpaceType::Is32Bit:
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case FileSys::ProgramAddressSpaceType::Is32BitNoMap:
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address_space_width = 32;
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address_space_width = 32;
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code_region_base = 0x200000;
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code_region_base = 0x200000;
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code_region_end = code_region_base + 0x3FE00000;
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code_region_end = code_region_base + 0x3FE00000;
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aslr_region_base = 0x200000;
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aslr_region_end = aslr_region_base + 0xFFE00000;
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if (type == FileSys::ProgramAddressSpaceType::Is32Bit) {
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map_region_size = 0x40000000;
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map_region_size = 0x40000000;
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heap_region_size = 0x40000000;
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heap_region_size = 0x40000000;
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} else {
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map_region_size = 0;
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heap_region_size = 0x80000000;
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}
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break;
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break;
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case FileSys::ProgramAddressSpaceType::Is36Bit:
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case FileSys::ProgramAddressSpaceType::Is36Bit:
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address_space_width = 36;
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address_space_width = 36;
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code_region_base = 0x8000000;
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code_region_base = 0x8000000;
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code_region_end = code_region_base + 0x78000000;
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code_region_end = code_region_base + 0x78000000;
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aslr_region_base = 0x8000000;
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aslr_region_end = aslr_region_base + 0xFF8000000;
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map_region_size = 0x180000000;
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map_region_size = 0x180000000;
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heap_region_size = 0x180000000;
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heap_region_size = 0x180000000;
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break;
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break;
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case FileSys::ProgramAddressSpaceType::Is32BitNoMap:
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address_space_width = 32;
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code_region_base = 0x200000;
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code_region_end = code_region_base + 0x3FE00000;
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map_region_size = 0;
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heap_region_size = 0x80000000;
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break;
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case FileSys::ProgramAddressSpaceType::Is39Bit:
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case FileSys::ProgramAddressSpaceType::Is39Bit:
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address_space_width = 39;
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address_space_width = 39;
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code_region_base = 0x8000000;
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code_region_base = 0x8000000;
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code_region_end = code_region_base + 0x80000000;
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code_region_end = code_region_base + 0x80000000;
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aslr_region_base = 0x8000000;
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aslr_region_end = aslr_region_base + 0x7FF8000000;
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map_region_size = 0x1000000000;
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map_region_size = 0x1000000000;
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heap_region_size = 0x180000000;
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heap_region_size = 0x180000000;
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new_map_region_size = 0x80000000;
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new_map_region_size = 0x80000000;
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@ -490,6 +495,18 @@ u64 VMManager::GetAddressSpaceWidth() const {
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return address_space_width;
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return address_space_width;
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}
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}
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VAddr VMManager::GetASLRRegionBaseAddress() const {
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return aslr_region_base;
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}
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VAddr VMManager::GetASLRRegionEndAddress() const {
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return aslr_region_end;
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}
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u64 VMManager::GetASLRRegionSize() const {
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return aslr_region_end - aslr_region_base;
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}
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VAddr VMManager::GetCodeRegionBaseAddress() const {
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VAddr VMManager::GetCodeRegionBaseAddress() const {
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return code_region_base;
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return code_region_base;
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}
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}
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@ -205,6 +205,15 @@ public:
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/// Gets the address space width in bits.
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/// Gets the address space width in bits.
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u64 GetAddressSpaceWidth() const;
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u64 GetAddressSpaceWidth() const;
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/// Gets the base address of the ASLR region.
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VAddr GetASLRRegionBaseAddress() const;
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/// Gets the end address of the ASLR region.
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VAddr GetASLRRegionEndAddress() const;
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/// Gets the size of the ASLR region
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u64 GetASLRRegionSize() const;
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/// Gets the base address of the code region.
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/// Gets the base address of the code region.
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VAddr GetCodeRegionBaseAddress() const;
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VAddr GetCodeRegionBaseAddress() const;
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@ -306,6 +315,9 @@ private:
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VAddr address_space_base = 0;
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VAddr address_space_base = 0;
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VAddr address_space_end = 0;
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VAddr address_space_end = 0;
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VAddr aslr_region_base = 0;
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VAddr aslr_region_end = 0;
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VAddr code_region_base = 0;
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VAddr code_region_base = 0;
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VAddr code_region_end = 0;
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VAddr code_region_end = 0;
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