diff --git a/llvm/include/llvm/Object/COFF.h b/llvm/include/llvm/Object/COFF.h index e6a607921da0e..4bad7f10323c2 100644 --- a/llvm/include/llvm/Object/COFF.h +++ b/llvm/include/llvm/Object/COFF.h @@ -888,8 +888,17 @@ class COFFObjectFile : public ObjectFile { } uint16_t getMachine() const { - if (COFFHeader) + if (COFFHeader) { + if (CHPEMetadata) { + switch (COFFHeader->Machine) { + case COFF::IMAGE_FILE_MACHINE_AMD64: + return COFF::IMAGE_FILE_MACHINE_ARM64EC; + case COFF::IMAGE_FILE_MACHINE_ARM64: + return COFF::IMAGE_FILE_MACHINE_ARM64X; + } + } return COFFHeader->Machine; + } if (COFFBigObjHeader) return COFFBigObjHeader->Machine; llvm_unreachable("no COFF header!"); diff --git a/llvm/test/tools/llvm-objdump/COFF/arm64ec.yaml b/llvm/test/tools/llvm-objdump/COFF/arm64ec.yaml new file mode 100644 index 0000000000000..5c58ae6c2c732 --- /dev/null +++ b/llvm/test/tools/llvm-objdump/COFF/arm64ec.yaml @@ -0,0 +1,88 @@ +## Check that AMD64 image file with CHPE data is recognized as ARM64EC. +# RUN: yaml2obj %s -o %t -DMACHINE=IMAGE_FILE_MACHINE_AMD64 +# RUN: llvm-objdump -d %t | FileCheck --check-prefixes=DISASM,ARM64EC %s +# RUN: llvm-readobj --coff-load-config %t | FileCheck --check-prefix=CODEMAP %s + +## Check that ARM64 image file with CHPE data is recognized as ARM64X. +# RUN: yaml2obj %s -o %t -DMACHINE=IMAGE_FILE_MACHINE_ARM64 +# RUN: llvm-objdump -d %t | FileCheck --check-prefixes=DISASM,ARM64X %s +# RUN: llvm-readobj --coff-load-config %t | FileCheck --check-prefix=CODEMAP %s + +# ARM64EC: file format coff-arm64ec +# ARM64X: file format coff-arm64x + +# DISASM: 180001000: 52800040 mov w0, #0x2 +# DISASM-NEXT: 180001004: d65f03c0 ret +# DISASM-NEXT: ... +# DISASM: 180002020: 528000a0 mov w0, #0x5 +# DISASM-NEXT: 180002024: d65f03c0 ret + +# CODEMAP: CodeMap [ +# CODEMAP-NEXT: 0x1000 - 0x1008 ARM64EC +# CODEMAP-NEXT: 0x1020 - 0x2007 X64 +# CODEMAP-NEXT: 0x2020 - 0x2028 ARM64EC +# CODEMAP-NEXT: ] + +--- !COFF +OptionalHeader: + ImageBase: 0x180000000 + SectionAlignment: 4096 + FileAlignment: 512 + DLLCharacteristics: [ ] + LoadConfigTable: + RelativeVirtualAddress: 0x3000 + Size: 320 +header: + Machine: [[MACHINE]] + Characteristics: [ IMAGE_FILE_EXECUTABLE_IMAGE, IMAGE_FILE_LARGE_ADDRESS_AWARE, IMAGE_FILE_DLL ] +sections: + - Name: .text + Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ] + VirtualAddress: 0x1000 + VirtualSize: 38 + SectionData: 40008052C0035FD6000000000000000000000000000000000000000000000000B803000000C3 + - Name: .test + Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ] + VirtualAddress: 0x2000 + VirtualSize: 40 + SectionData: B806000000C3CC00000000000000000000000000000000000000000000000000A0008052C0035FD6 + - Name: .rdata + Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ] + VirtualAddress: 0x3000 + VirtualSize: 328 + StructuredData: + - LoadConfig: + CHPEMetadataPointer: 0x180004000 + - Name: .data + Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE ] + VirtualAddress: 0x4000 + VirtualSize: 112 + StructuredData: + - UInt32: 1 # Version + - UInt32: 0x4050 # CodeMap + - UInt32: 3 # CodeMapCount + - UInt32: 0 # CodeRangesToEntryPoints + - UInt32: 0 # RedirectionMetadata + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 # CodeRangesToEntryPointsCount + - UInt32: 0 # RedirectionMetadataCount + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0 + - UInt32: 0x1001 # CodeMap[0] + - UInt32: 0x8 + - UInt32: 0x1022 # CodeMap[1] + - UInt32: 0x0fe7 + - UInt32: 0x2021 # CodeMap[2] + - UInt32: 0x8 +symbols: [] +...