| /** |
| * This file has no copyright assigned and is placed in the Public Domain. |
| * This file is part of the mingw-w64 runtime package. |
| * No warranty is given; refer to the file DISCLAIMER.PD within this package. |
| */ |
| |
| /* |
| This assembly source file defines the `_load_config_used` structure, which is |
| purely data. The main purpose is to include the metadata necessary for enabling |
| Control Flow Guard (CFGuard). |
| |
| Many of the symbols referenced here are supplied by the linker. This file has |
| been constructed with LLVM/LLD in mind. |
| */ |
| |
| #if defined(__x86_64__) || defined(__aarch64__) |
| # define PTR .8byte |
| # define ALIGN 8 |
| #elif defined(__i386__) || defined(__arm__) |
| # define PTR .4byte |
| # define ALIGN 4 |
| #else |
| # error "Load config structure is unimplemented for the current architecture." |
| #endif |
| |
| #if defined(__x86_64__) |
| /* |
| GuardCFCheckDispatch is only used on x86_64. For other platforms it should be 0. |
| Ref: https://docs.microsoft.com/en-us/windows/win32/secbp/pe-metadata |
| */ |
| # define CFGUARD_USE_DISPATCH |
| #endif |
| |
| #if defined(__i386__) |
| # define SYM(x) _##x |
| #else |
| # define SYM(x) x |
| #endif |
| |
| #if defined(INCLUDE_MSVC_FEATURES) |
| /* |
| These features are specific to MSVC as far as I am aware. |
| */ |
| # define HAS_GS_SECURITY_COOKIE |
| # if defined(__i386__) |
| # define HAS_SAFE_SE_HANDLER |
| # endif |
| # define HAS_ENCLAVE_CONFIG |
| #endif |
| |
| .section .rdata,"dr" |
| .globl SYM(_load_config_used) |
| .balign ALIGN |
| SYM(_load_config_used): |
| .4byte SYM(_load_config_used__end) - SYM(_load_config_used) /* Size */ |
| .4byte 0 /* TimeDateStamp */ |
| .2byte 0 /* MajorVersion */ |
| .2byte 0 /* MinorVersion */ |
| .4byte 0 /* GLobalFlagsClear */ |
| .4byte 0 /* GlobalFlagsSet */ |
| .4byte 0 /* CriticalSectionDefaultTimeout */ |
| PTR 0 /* DeCommitFreeBlockThreshold */ |
| PTR 0 /* DeCommitTotalFreeThreshold */ |
| PTR 0 /* LockPrefixTable */ |
| PTR 0 /* MaximumAllocationSize */ |
| PTR 0 /* VirtualMemoryThreshold */ |
| PTR 0 /* ProcessAffinityMask */ |
| .4byte 0 /* ProcessHeapFlags */ |
| .2byte 0 /* CSDVersion */ |
| .2byte 0 /* DependentLoadFlags */ |
| PTR 0 /* EditList */ |
| #if defined(HAS_GS_SECURITY_COOKIE) |
| PTR SYM(__security_cookie) /* SecurityCookie */ |
| #else |
| PTR 0 /* SecurityCookie */ |
| #endif |
| #if defined(HAS_SAFE_SE_HANDLER) |
| PTR SYM(__safe_se_handler_table) /* SEHandlerTable */ |
| PTR SYM(__safe_se_handler_count) /* SEHandlerCount */ |
| #else |
| PTR 0 /* SEHandlerTable */ |
| PTR 0 /* SEHandlerCount */ |
| #endif |
| PTR SYM(__guard_check_icall_fptr) /* GuardCFCheckFunction */ |
| #if defined(CFGUARD_USE_DISPATCH) |
| PTR SYM(__guard_dispatch_icall_fptr) /* GuardCFCheckDispatch */ |
| #else |
| PTR 0 /* GuardCFCheckDispatch */ |
| #endif |
| PTR SYM(__guard_fids_table) /* GuardCFFunctionTable */ |
| PTR SYM(__guard_fids_count) /* GuardCFFunctionCount */ |
| .4byte SYM(__guard_flags) /* GuardFlags */ |
| .2byte 0 /* CodeIntegrity_Flags */ |
| .2byte 0 /* CodeIntegrity_Catalog */ |
| .4byte 0 /* CodeIntegrity_CatalogOffset */ |
| .4byte 0 /* CodeIntegrity_Reserved */ |
| PTR SYM(__guard_iat_table) /* GuardAddressTakenIatEntryTable */ |
| PTR SYM(__guard_iat_count) /* GuardAddressTakenIatEntryCount */ |
| PTR SYM(__guard_longjmp_table) /* GuardLongJumpTargetTable */ |
| PTR SYM(__guard_longjmp_count) /* GuardLongJumpTargetCount */ |
| PTR 0 /* DynamicValueRelocTable */ |
| PTR 0 /* CHPEMetadataPointer */ |
| PTR 0 /* GuardRFFailureRoutine */ |
| PTR 0 /* GuardRFFailureRoutineFunctionPointer */ |
| .4byte 0 /* DynamicValueRelocTableOffset */ |
| .2byte 0 /* DynamicValueRelocTableSection */ |
| .2byte 0 /* Reserved2 */ |
| PTR 0 /* GuardRFVerifyStackPointerFunctionPointer */ |
| .4byte 0 /* HotPatchTableOffset */ |
| .4byte 0 /* Reserved3 */ |
| #if defined(HAS_ENCLAVE_CONFIG) |
| PTR SYM(__enclave_config) /* EnclaveConfigurationPointer */ |
| #else |
| PTR 0 /* EnclaveConfigurationPointer */ |
| #endif |
| PTR 0 /* VolatileMetadataPointer */ |
| PTR SYM(__guard_eh_cont_table) /* GuardEHContinuationTable */ |
| PTR SYM(__guard_eh_cont_count) /* GuardEHContinuationCount */ |
| PTR 0 /* GuardXFGCheckFunctionPointer */ |
| PTR 0 /* GuardXFGDispatchFunctionPointer */ |
| PTR 0 /* GuardXFGTableDispatchFunctionPointer */ |
| PTR 0 /* CastGuardOsDeterminedFailureMode */ |
| |
| SYM(_load_config_used__end): |
