diff --git a/llvm/include/llvm/BinaryFormat/COFF.h b/llvm/include/llvm/BinaryFormat/COFF.h
--- a/llvm/include/llvm/BinaryFormat/COFF.h
+++ b/llvm/include/llvm/BinaryFormat/COFF.h
@@ -704,6 +704,49 @@
IMPORT_NAME_UNDECORATE = 3
};
+enum class GuardFlags : uint32_t {
+ /// Module performs control flow integrity checks using system-supplied
+ /// support.
+ CF_INSTRUMENTED = 0x100,
+ /// Module performs control flow and write integrity checks.
+ CFW_INSTRUMENTED = 0x200,
+ /// Module contains valid control flow target metadata.
+ CF_FUNCTION_TABLE_PRESENT = 0x400,
+ /// Module does not make use of the /GS security cookie.
+ SECURITY_COOKIE_UNUSED = 0x800,
+ /// Module supports read only delay load IAT.
+ PROTECT_DELAYLOAD_IAT = 0x1000,
+ /// Delayload import table in its own .didat section (with nothing else in it)
+ /// that can be freely reprotected.
+ DELAYLOAD_IAT_IN_ITS_OWN_SECTION = 0x2000,
+ /// Module contains suppressed export information. This also infers that the
+ /// address taken IAT table is also present in the load config.
+ CF_EXPORT_SUPPRESSION_INFO_PRESENT = 0x4000,
+ /// Module enables suppression of exports.
+ CF_ENABLE_EXPORT_SUPPRESSION = 0x8000,
+ /// Module contains longjmp target information.
+ CF_LONGJUMP_TABLE_PRESENT = 0x10000,
+ /// Mask for the subfield that contains the stride of Control Flow Guard
+ /// function table entries (that is, the additional count of bytes per table
+ /// entry).
+ CF_FUNCTION_TABLE_SIZE_MASK = 0xF0000000,
+ CF_FUNCTION_TABLE_SIZE_5BYTES = 0x10000000,
+ CF_FUNCTION_TABLE_SIZE_6BYTES = 0x20000000,
+ CF_FUNCTION_TABLE_SIZE_7BYTES = 0x30000000,
+ CF_FUNCTION_TABLE_SIZE_8BYTES = 0x40000000,
+ CF_FUNCTION_TABLE_SIZE_9BYTES = 0x50000000,
+ CF_FUNCTION_TABLE_SIZE_10BYTES = 0x60000000,
+ CF_FUNCTION_TABLE_SIZE_11BYTES = 0x70000000,
+ CF_FUNCTION_TABLE_SIZE_12BYTES = 0x80000000,
+ CF_FUNCTION_TABLE_SIZE_13BYTES = 0x90000000,
+ CF_FUNCTION_TABLE_SIZE_14BYTES = 0xA0000000,
+ CF_FUNCTION_TABLE_SIZE_15BYTES = 0xB0000000,
+ CF_FUNCTION_TABLE_SIZE_16BYTES = 0xC0000000,
+ CF_FUNCTION_TABLE_SIZE_17BYTES = 0xD0000000,
+ CF_FUNCTION_TABLE_SIZE_18BYTES = 0xE0000000,
+ CF_FUNCTION_TABLE_SIZE_19BYTES = 0xF0000000,
+};
+
struct ImportHeader {
uint16_t Sig1; ///< Must be IMAGE_FILE_MACHINE_UNKNOWN (0).
uint16_t Sig2; ///< Must be 0xFFFF.
diff --git a/llvm/test/tools/llvm-readobj/COFF/load-config.test b/llvm/test/tools/llvm-readobj/COFF/load-config.test
--- a/llvm/test/tools/llvm-readobj/COFF/load-config.test
+++ b/llvm/test/tools/llvm-readobj/COFF/load-config.test
@@ -30,7 +30,13 @@
X86: GuardCFCheckDispatch: 0x0
X86: GuardCFFunctionTable: 0x100020A4
X86: GuardCFFunctionCount: 11
-X86: GuardFlags: 0x13500
+X86: GuardFlags [ (0x13500)
+X86: CF_FUNCTION_TABLE_PRESENT (0x400)
+X86: CF_INSTRUMENTED (0x100)
+X86: CF_LONGJUMP_TABLE_PRESENT (0x10000)
+X86: DELAYLOAD_IAT_IN_ITS_OWN_SECTION (0x2000)
+X86: PROTECT_DELAYLOAD_IAT (0x1000)
+X86: ]
X86: ]
X86: SEHTable [
X86: 0x10001BE0
@@ -75,7 +81,13 @@
X64: GuardCFCheckDispatch: 0x180002108
X64: GuardCFFunctionTable: 0x180002158
X64: GuardCFFunctionCount: 9
-X64: GuardFlags: 0x13500
+X64: GuardFlags [ (0x13500)
+X64: CF_FUNCTION_TABLE_PRESENT (0x400)
+X64: CF_INSTRUMENTED (0x100)
+X64: CF_LONGJUMP_TABLE_PRESENT (0x10000)
+X64: DELAYLOAD_IAT_IN_ITS_OWN_SECTION (0x2000)
+X64: PROTECT_DELAYLOAD_IAT (0x1000)
+X64: ]
X64: ]
X64-NOT: SEHTable
X64: GuardFidTable [
diff --git a/llvm/tools/llvm-readobj/COFFDumper.cpp b/llvm/tools/llvm-readobj/COFFDumper.cpp
--- a/llvm/tools/llvm-readobj/COFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFDumper.cpp
@@ -577,6 +577,50 @@
LLVM_READOBJ_ENUM_CLASS_ENT(FileChecksumKind, SHA256),
};
+const EnumEntry<uint32_t> PELoadConfigGuardFlags[] = {
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags, CF_INSTRUMENTED),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags, CFW_INSTRUMENTED),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags, CF_FUNCTION_TABLE_PRESENT),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags, SECURITY_COOKIE_UNUSED),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags, PROTECT_DELAYLOAD_IAT),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ DELAYLOAD_IAT_IN_ITS_OWN_SECTION),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_EXPORT_SUPPRESSION_INFO_PRESENT),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags, CF_ENABLE_EXPORT_SUPPRESSION),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags, CF_LONGJUMP_TABLE_PRESENT),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_5BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_6BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_7BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_8BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_9BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_10BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_11BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_12BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_13BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_14BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_15BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_16BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_17BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_18BYTES),
+ LLVM_READOBJ_ENUM_CLASS_ENT(COFF::GuardFlags,
+ CF_FUNCTION_TABLE_SIZE_19BYTES),
+};
+
template <typename T>
static std::error_code getSymbolAuxData(const COFFObjectFile *Obj,
COFFSymbolRef Symbol,
@@ -880,7 +924,9 @@
W.printHex("GuardCFCheckDispatch", Conf->GuardCFCheckDispatch);
W.printHex("GuardCFFunctionTable", Conf->GuardCFFunctionTable);
W.printNumber("GuardCFFunctionCount", Conf->GuardCFFunctionCount);
- W.printHex("GuardFlags", Conf->GuardFlags);
+ W.printFlags("GuardFlags", Conf->GuardFlags,
+ makeArrayRef(PELoadConfigGuardFlags),
+ (uint32_t)COFF::GuardFlags::CF_FUNCTION_TABLE_SIZE_MASK);
Tables.GuardFidTableVA = Conf->GuardCFFunctionTable;
Tables.GuardFidTableCount = Conf->GuardCFFunctionCount;