derek.holloway
7502bf64a4
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244 lines
8.4 KiB
Plaintext
244 lines
8.4 KiB
Plaintext
## Check parsing and dumping of SFrame Function Descriptor Entries.
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# RUN: yaml2obj --docnum=1 %s -o %t.1
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# RUN: llvm-readobj --sframe=.sframe_short --sframe=.sframe_section_relative \
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# RUN: --sframe=.sframe_fde_relative %t.1 2>&1 | \
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# RUN: FileCheck %s --strict-whitespace --match-full-lines \
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# RUN: -DFILE=%t.1 --check-prefix=CASE1
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## Check big-endian support.
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# RUN: yaml2obj --docnum=2 %s -o %t.2
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# RUN: llvm-readobj --sframe %t.2 2>&1 | \
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# RUN: FileCheck %s --strict-whitespace --match-full-lines \
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# RUN: -DFILE=%t.2 --check-prefix=CASE2
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Sections:
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- Name: .sframe_short
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Type: SHT_GNU_SFRAME
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Flags: [ SHF_ALLOC ]
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ContentArray: [
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0xe2, 0xde, 0x02, 0x00, # Preamble (magic, version, flags)
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# Header:
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0x03, 0x42, 0x47, 0x04, # ABI, Fixed FP offset, Fixed RA Offset, AUX header length
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0x01, 0x00, 0x00, 0x00, # Number of FDEs
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0x10, 0x00, 0x00, 0x00, # Number of FREs
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0x00, 0x10, 0x00, 0x00, # FRE length
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0x00, 0x00, 0x00, 0x00, # FDE offset
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0x00, 0x01, 0x00, 0x00, # FRE offset
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0xde, 0xad, 0xbe, 0xef, # AUX header
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0x01, 0x02, 0x03, 0x04, # Short FDE
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]
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# CASE1-LABEL:SFrame section '.sframe_short' {
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# CASE1: Header {
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# CASE1-NEXT: Magic: 0xDEE2
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# CASE1-NEXT: Version: V2 (0x2)
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# CASE1-NEXT: Flags [ (0x0)
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# CASE1-NEXT: ]
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# CASE1-NEXT: ABI: AMD64EndianLittle (0x3)
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# CASE1-NEXT: CFA fixed FP offset (unused): 66
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# CASE1-NEXT: CFA fixed RA offset: 71
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# CASE1-NEXT: Auxiliary header length: 4
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# CASE1-NEXT: Num FDEs: 1
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# CASE1-NEXT: Num FREs: 16
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# CASE1-NEXT: FRE subsection length: 4096
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# CASE1-NEXT: FDE subsection offset: 0
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# CASE1-NEXT: FRE subsection offset: 256
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# CASE1-NEXT: Auxiliary header: [0xDE, 0xAD, 0xBE, 0xEF]
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# CASE1-NEXT: }
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# CASE1-NEXT:{{.*}}: warning: '[[FILE]]': unexpected end of data at offset 0x24 while reading [0x20, 0x34)
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# CASE1-NEXT:}
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- Name: .sframe_section_relative
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Type: SHT_GNU_SFRAME
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Flags: [ SHF_ALLOC ]
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ContentArray: [
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0xe2, 0xde, 0x02, 0x00, # Preamble (magic, version, flags)
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# Header:
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0x03, 0x42, 0x47, 0x00, # ABI, Fixed FP offset, Fixed RA Offset, AUX header length
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0x01, 0x00, 0x00, 0x00, # Number of FDEs
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0x10, 0x00, 0x00, 0x00, # Number of FREs
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0x00, 0x10, 0x00, 0x00, # FRE length
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0x04, 0x00, 0x00, 0x00, # FDE offset
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0x00, 0x01, 0x00, 0x00, # FRE offset
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0xff, 0xff, 0xff, 0xff, # Unused data skipped due to the FDE offset field
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# FDE:
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0x00, 0xde, 0xad, 0x00, # Start Address
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0xbe, 0x01, 0x00, 0x00, # Size
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0x10, 0x00, 0x00, 0x00, # Start FRE Offset
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0x00, 0x00, 0x00, 0x00, # Number of FREs
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0x31, 0xde, 0xad, 0x00, # Info, RepSize, Padding2
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]
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## Also testing:
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## - dead space between the header and the FDE subsection.
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## - PCMask FDE types
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## - unused PAuth key handling
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# CASE1-LABEL:SFrame section '.sframe_section_relative' {
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# CASE1: Header {
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# CASE1-NEXT: Magic: 0xDEE2
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# CASE1-NEXT: Version: V2 (0x2)
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# CASE1-NEXT: Flags [ (0x0)
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# CASE1-NEXT: ]
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# CASE1-NEXT: ABI: AMD64EndianLittle (0x3)
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# CASE1-NEXT: CFA fixed FP offset (unused): 66
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# CASE1-NEXT: CFA fixed RA offset: 71
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# CASE1-NEXT: Auxiliary header length: 0
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# CASE1-NEXT: Num FDEs: 1
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# CASE1-NEXT: Num FREs: 16
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# CASE1-NEXT: FRE subsection length: 4096
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# CASE1-NEXT: FDE subsection offset: 4
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# CASE1-NEXT: FRE subsection offset: 256
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# CASE1-NEXT: Auxiliary header: []
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# CASE1-NEXT: }
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# CASE1-NEXT: Function Index [
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# CASE1-NEXT: FuncDescEntry [0] {
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# CASE1-NEXT: PC: 0xADDE24
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# CASE1-NEXT: Size: 0x1BE
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# CASE1-NEXT: Start FRE Offset: 0x10
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# CASE1-NEXT: Num FREs: 0
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# CASE1-NEXT: Info {
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# CASE1-NEXT: FRE Type: Addr2 (0x1)
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# CASE1-NEXT: FDE Type: PCMask (0x1)
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# CASE1-NEXT: Raw: 0x31
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# CASE1-NEXT: }
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# CASE1-NEXT: Repetitive block size: 0xDE
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# CASE1-NEXT: Padding2: 0xAD
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# CASE1-NEXT: FREs [
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# CASE1-NEXT: ]
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# CASE1-NEXT: }
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# CASE1-NEXT: ]
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# CASE1-NEXT:}
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- Name: .sframe_fde_relative
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Type: SHT_GNU_SFRAME
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Flags: [ SHF_ALLOC ]
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ContentArray: [
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0xe2, 0xde, 0x02, 0x04, # Preamble (magic, version, flags)
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# Header:
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0x02, 0x42, 0x47, 0x00, # ABI, Fixed FP offset, Fixed RA Offset, AUX header length
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0x01, 0x00, 0x00, 0x00, # Number of FDEs
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0x10, 0x00, 0x00, 0x00, # Number of FREs
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0x00, 0x10, 0x00, 0x00, # FRE length
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0x04, 0x00, 0x00, 0x00, # FDE offset
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0x00, 0x01, 0x00, 0x00, # FRE offset
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0xff, 0xff, 0xff, 0xff, # Unused data skipped due to the FDE offset field
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# FDE:
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0x00, 0xde, 0xad, 0x00, # Start Address
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0xbe, 0x01, 0x00, 0x00, # Size
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0x10, 0x00, 0x00, 0x00, # Start FRE Offset
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0x00, 0x00, 0x00, 0x00, # Number of FREs
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0x02, 0xde, 0xad, 0x00, # Info, RepSize, Padding2
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]
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## Also testing:
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## - PCInc FDE type
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## - AArch64 PAuth key handling
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# CASE1-LABEL:SFrame section '.sframe_fde_relative' {
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# CASE1: Header {
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# CASE1-NEXT: Magic: 0xDEE2
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# CASE1-NEXT: Version: V2 (0x2)
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# CASE1-NEXT: Flags [ (0x4)
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# CASE1-NEXT: FDEFuncStartPCRel (0x4){{ *}}
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# CASE1-NEXT: ]
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# CASE1-NEXT: ABI: AArch64EndianLittle (0x2)
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# CASE1-NEXT: CFA fixed FP offset (unused): 66
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# CASE1-NEXT: CFA fixed RA offset (unused): 71
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# CASE1-NEXT: Auxiliary header length: 0
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# CASE1-NEXT: Num FDEs: 1
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# CASE1-NEXT: Num FREs: 16
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# CASE1-NEXT: FRE subsection length: 4096
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# CASE1-NEXT: FDE subsection offset: 4
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# CASE1-NEXT: FRE subsection offset: 256
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# CASE1-NEXT: Auxiliary header: []
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# CASE1-NEXT: }
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# CASE1-NEXT: Function Index [
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# CASE1-NEXT: FuncDescEntry [0] {
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# CASE1-NEXT: PC: 0xADDE78
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# CASE1-NEXT: Size: 0x1BE
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# CASE1-NEXT: Start FRE Offset: 0x10
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# CASE1-NEXT: Num FREs: 0
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# CASE1-NEXT: Info {
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# CASE1-NEXT: FRE Type: Addr4 (0x2)
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# CASE1-NEXT: FDE Type: PCInc (0x0)
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# CASE1-NEXT: PAuth Key: A (0x0)
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# CASE1-NEXT: Raw: 0x2
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# CASE1-NEXT: }
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# CASE1-NEXT: Repetitive block size (unused): 0xDE
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# CASE1-NEXT: Padding2: 0xAD
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# CASE1-NEXT: FREs [
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# CASE1-NEXT: ]
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# CASE1-NEXT: }
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# CASE1-NEXT: ]
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# CASE1-NEXT:}
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2MSB
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Type: ET_EXEC
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Sections:
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- Name: .sframe
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Type: SHT_GNU_SFRAME
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Flags: [ SHF_ALLOC ]
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ContentArray: [
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0xde, 0xe2, 0x02, 0x05, # Preamble (magic, version, flags)
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# Header:
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0x01, 0x42, 0x47, 0x00, # ABI, Fixed FP offset, Fixed RA Offset, AUX header length
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0x00, 0x00, 0x00, 0x01, # Number of FDEs
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0x00, 0x00, 0x00, 0x10, # Number of FREs
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0x00, 0x00, 0x10, 0x00, # FRE length
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0x00, 0x00, 0x00, 0x00, # FDE offset
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0x00, 0x00, 0x01, 0x00, # FRE offset
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# FDE:
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0x00, 0xde, 0xad, 0x00, # Start Address
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0x00, 0x00, 0x01, 0xbe, # Size
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0x00, 0x00, 0x00, 0x10, # Start FRE Offset
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0x00, 0x00, 0x00, 0x00, # Number of FREs
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0x02, 0xde, 0xad, 0x00, # Info, RepSize, Padding2
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]
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# CASE2-LABEL:SFrame section '.sframe' {
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# CASE2: Header {
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# CASE2-NEXT: Magic: 0xDEE2
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# CASE2-NEXT: Version: V2 (0x2)
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# CASE2-NEXT: Flags [ (0x5)
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# CASE2-NEXT: FDEFuncStartPCRel (0x4){{ *}}
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# CASE2-NEXT: FDESorted (0x1){{ *}}
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# CASE2-NEXT: ]
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# CASE2-NEXT: ABI: AArch64EndianBig (0x1)
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# CASE2-NEXT: CFA fixed FP offset (unused): 66
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# CASE2-NEXT: CFA fixed RA offset (unused): 71
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# CASE2-NEXT: Auxiliary header length: 0
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# CASE2-NEXT: Num FDEs: 1
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# CASE2-NEXT: Num FREs: 16
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# CASE2-NEXT: FRE subsection length: 4096
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# CASE2-NEXT: FDE subsection offset: 0
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# CASE2-NEXT: FRE subsection offset: 256
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# CASE2-NEXT: Auxiliary header: []
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# CASE2-NEXT: }
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# CASE2-NEXT: Function Index [
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# CASE2-NEXT: FuncDescEntry [0] {
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# CASE2-NEXT: PC: 0xDEAD1C
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# CASE2-NEXT: Size: 0x1BE
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# CASE2-NEXT: Start FRE Offset: 0x10
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# CASE2-NEXT: Num FREs: 0
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# CASE2-NEXT: Info {
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# CASE2-NEXT: FRE Type: Addr4 (0x2)
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# CASE2-NEXT: FDE Type: PCInc (0x0)
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# CASE2-NEXT: PAuth Key: A (0x0)
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# CASE2-NEXT: Raw: 0x2
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# CASE2-NEXT: }
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# CASE2-NEXT: Repetitive block size (unused): 0xDE
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# CASE2-NEXT: Padding2: 0xAD00
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# CASE2-NEXT: FREs [
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# CASE2-NEXT: ]
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# CASE2-NEXT: }
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# CASE2-NEXT: ]
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# CASE2-NEXT:}
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