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EmuFS: Construct fs_instruction_t by name

This commit is contained in:
darkf 2020-04-06 19:49:24 -07:00
parent daab20a944
commit c64cbfe482
1 changed files with 18 additions and 19 deletions
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37
src/core/kernel/support/EmuFS.cpp
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@ -451,25 +451,24 @@ void EmuInitFS()
* The entries must be in order of size, to keep the chance of false positives to a minimum.
*/
std::vector<fs_instruction_t> fsInstructions;
fsInstructions.push_back({ { 0x64, 0x0F, 0xB6, 0x05, 0x24, 0x00, 0x00, 0x00 }, &EmuFS_MovzxEaxBytePtrFs24 });// movzx eax, large byte ptr fs:24
fsInstructions.push_back({ { 0x64, 0x3B, 0x35, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_CmpEsiFs00 }); // cmp esi, large fs:0
fsInstructions.push_back({ { 0x64, 0x8B, 0x1D, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovEbxFs00 }); // mov ebx, large fs:0
fsInstructions.push_back({ { 0x64, 0x8B, 0x0D, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovEcxFs00 }); // mov ecx, large fs:0
fsInstructions.push_back({ { 0x64, 0x8B, 0x0D, 0x04, 0x00, 0x00, 0x00 }, &EmuFS_MovEcxFs04 }); // mov ecx, large fs:4
fsInstructions.push_back({ { 0x64, 0x8B, 0x3D, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovEdiFs00 }); // mov edi, large fs:0
fsInstructions.push_back({ { 0x64, 0x8B, 0x3D, 0x04, 0x00, 0x00, 0x00 }, &EmuFS_MovEdiFs04 }); // mov edi, large fs:4
fsInstructions.push_back({ { 0x64, 0x8B, 0x35, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovEsiFs00 }); // mov esi, large fs:0
fsInstructions.push_back({ { 0x64, 0x89, 0x1D, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovFs00Ebx }); // mov large fs:0, ebx
fsInstructions.push_back({ { 0x64, 0x89, 0x0D, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovFs00Ecx }); // mov large fs:0, ecx
fsInstructions.push_back({ { 0x64, 0x89, 0x25, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovFs00Esp }); // mov large fs:0, esp
fsInstructions.push_back({ { 0x64, 0x8F, 0x05, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_PopDwordPtrFs00 }); // pop large dword ptr fs:0
fsInstructions.push_back({ { 0x64, 0xFF, 0x35, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_PushDwordPtrFs00 }); // push large dword ptr fs:0
fsInstructions.push_back({ { 0x64, 0xA1, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovEaxFs00 }); // mov eax, large fs:0
fsInstructions.push_back({ { 0x64, 0xA1, 0x20, 0x00, 0x00, 0x00 }, &EmuFS_MovEaxFs20 }); // mov eax, large fs:20
fsInstructions.push_back({ { 0x64, 0xA1, 0x28, 0x00, 0x00, 0x00 }, &EmuFS_MovEaxFs28 }); // mov eax, large fs:28
fsInstructions.push_back({ { 0x64, 0xA1, 0x58, 0x00, 0x00, 0x00 }, &EmuFS_MovEaxFs58 }); // mov eax, large fs:58
fsInstructions.push_back({ { 0x64, 0xA3, 0x00, 0x00, 0x00, 0x00 }, &EmuFS_MovFs00Eax }); // mov large fs:0, eax
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x0F, 0xB6, 0x05, 0x24, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovzxEaxBytePtrFs24 });// movzx eax, large byte ptr fs:24
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x3B, 0x35, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_CmpEsiFs00 }); // cmp esi, large fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x8B, 0x1D, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEbxFs00 }); // mov ebx, large fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x8B, 0x0D, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEcxFs00 }); // mov ecx, large fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x8B, 0x0D, 0x04, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEcxFs04 }); // mov ecx, large fs:4
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x8B, 0x3D, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEdiFs00 }); // mov edi, large fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x8B, 0x3D, 0x04, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEdiFs04 }); // mov edi, large fs:4
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x8B, 0x35, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEsiFs00 }); // mov esi, large fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x89, 0x1D, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovFs00Ebx }); // mov large fs:0, ebx
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x89, 0x0D, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovFs00Ecx }); // mov large fs:0, ecx
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x89, 0x25, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovFs00Esp }); // mov large fs:0, esp
fsInstructions.push_back(fs_instruction_t { { 0x64, 0x8F, 0x05, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_PopDwordPtrFs00 }); // pop large dword ptr fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0xFF, 0x35, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_PushDwordPtrFs00 }); // push large dword ptr fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0xA1, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEaxFs00 }); // mov eax, large fs:0
fsInstructions.push_back(fs_instruction_t { { 0x64, 0xA1, 0x20, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEaxFs20 }); // mov eax, large fs:20
fsInstructions.push_back(fs_instruction_t { { 0x64, 0xA1, 0x28, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEaxFs28 }); // mov eax, large fs:28
fsInstructions.push_back(fs_instruction_t { { 0x64, 0xA1, 0x58, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovEaxFs58 }); // mov eax, large fs:58
fsInstructions.push_back(fs_instruction_t { { 0x64, 0xA3, 0x00, 0x00, 0x00, 0x00 }, (void*)&EmuFS_MovFs00Eax }); // mov large fs:0, eax
EmuLogEx(CXBXR_MODULE::INIT, LOG_LEVEL::DEBUG, "Patching FS Register Accesses\n");
DWORD sizeOfImage = CxbxKrnl_XbeHeader->dwSizeofImage;
long numberOfInstructions = fsInstructions.size();