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