debug-line.yaml
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## Test that yaml2obj emits .debug_line section.
## a) Generate the .debug_line section from the "DWARF" entry.
## Generate and verify a little endian DWARF32 .debug_line section.
# RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2LSB %s -o %t1.le.o
# RUN: llvm-readobj --sections --section-data %t1.le.o | \
# RUN: FileCheck %s -DSIZE=50 -DADDRALIGN=1 --check-prefixes=SHDR,DWARF-LE-CONTENT
# SHDR: Index: 1
# SHDR-NEXT: Name: .debug_line (1)
# SHDR-NEXT: Type: SHT_PROGBITS (0x1)
# SHDR-NEXT: Flags [ (0x0)
# SHDR-NEXT: ]
# SHDR-NEXT: Address: 0x0
# SHDR-NEXT: Offset: 0x40
# SHDR-NEXT: Size: [[SIZE]]
# SHDR-NEXT: Link: 0
# SHDR-NEXT: Info: 0
# SHDR-NEXT: AddressAlignment: [[ADDRALIGN]]
# SHDR-NEXT: EntrySize: 0
# DWARF-LE-CONTENT-NEXT: SectionData (
# DWARF-LE-CONTENT-NEXT: 0000: 70000000 02003200 00000102 03040501
## | | | | | | | | |
## | | | | | | | | +- standard_opcode_lengths[DW_LNS_copy] (1-byte) 0x01
## | | | | | | | +- opcode_base (1-byte) 0x05
## | | | | | | +- line_range (1-byte) 0x04
## | | | | | +- line_base (signed 1-byte) 0x03
## | | | | +- default_is_stmt (1-byte) 0x02
## | | | +- minimum_instruction_length (1-byte) 0x01
## | | +-------- prologue_length (4-byte) 50
## | +--- version (2-byte) 0x02
## +------- unit_length (4-byte) 0x70
##
# DWARF-LE-CONTENT-NEXT: 0010: 02030405 06070809 64697231 00646972
## | | | | | | | | | |
## | | | | | | | | | +----- include_directories[2] "dir2\0"
## | | | | | | | | +---------- include_directories[1] "dir1\0"
## | | | | | | | +- standard_opcode_lengths[DW_LNS_fixed_advance_pc] (1-byte) 0x09
## | | | | | | +- standard_opcode_lengths[DW_LNS_const_add_pc] (1-byte) 0x08
## | | | | | +- standard_opcode_lengths[DW_LNS_set_basic_block] (1-byte) 0x07
## | | | | +- standard_opcode_lengths[DW_LNS_negate_stmt] (1-byte) 0x06
## | | | +- standard_opcode_lengths[DW_LNS_set_column] (1-byte) 0x05
## | | +- standard_opcode_lengths[DW_LNS_set_file] (1-byte) 0x04
## | +- standard_opcode_lengths[DW_LNS_advance_line] (1-byte) 0x03
## +- standard_opcode_lengths[DW_LNS_advance_pc] (1-byte) 0x02
##
# DWARF-LE-CONTENT-NEXT: 0020: 32000061 2E630001 0203622E 63000203
## | | | | | | | | |
## | | | | | | | | +- ModTime (ULEB128) 0x03
## | | | | | | | +- DirIndex (ULEB128) 0x02
## | | | | | | +-------- file_names[2] "b.c\0"
## | | | | | +- Length (ULEB128) 0x03
## | | | | +- ModTime (ULEB128) 0x02
## | | | +- DirIndex (ULEB128) 0x01
## | | +-------- file_names[1] "a.c\0"
## | +- terminating entry (1-byte) 0x00
## +--- the last two bytes of "dir2\0"
##
# DWARF-LE-CONTENT-NEXT: 0030: 0400
## | |
## | +- terminating entry (1-byte) 0x00
## +- Length (ULEB128) 0x04
# DWARF-LE-CONTENT-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: [[ENDIAN]]
Type: ET_EXEC
Machine: EM_X86_64
DWARF:
debug_line:
- Length: 0x70
Version: 2
PrologueLength: 50
MinInstLength: 1
DefaultIsStmt: 2
LineBase: 3
LineRange: 4
OpcodeBase: 5
StandardOpcodeLengths: [ 1, 2, 3, 4, 5, 6, 7, 8, 9 ]
IncludeDirs:
- dir1
- dir2
Files:
- Name: "a.c"
DirIdx: 1
ModTime: 2
Length: 3
- Name: "b.c"
DirIdx: 2
ModTime: 3
Length: 4
Opcodes: []
## Generate and verify a big endian DWARF32 .debug_line section.
# RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2MSB %s -o %t1.be.o
# RUN: llvm-readobj --sections --section-data %t1.be.o | \
# RUN: FileCheck %s -DSIZE=50 -DADDRALIGN=1 --check-prefixes=SHDR,DWARF-BE-CONTENT
# DWARF-BE-CONTENT-NEXT: SectionData (
# DWARF-BE-CONTENT-NEXT: 0000: 00000070 00020000 00320102 03040501
## | | | | | | | | |
## | | | | | | | | +- standard_opcode_lengths[DW_LNS_copy] (1-byte) 0x01
## | | | | | | | +- opcode_base (1-byte) 0x05
## | | | | | | +- line_range (1-byte) 0x04
## | | | | | +- line_base (signed 1-byte) 0x03
## | | | | +- default_is_stmt (1-byte) 0x02
## | | | +- minimum_instruction_length (1-byte) 0x01
## | | +-------- prologue_length (4-byte) 50
## | +--- version (2-byte) 0x02
## +------- unit_length (4-byte) 0x70
##
# DWARF-BE-CONTENT-NEXT: 0010: 02030405 06070809 64697231 00646972
## | | | | | | | | | |
## | | | | | | | | | +----- include_directories[2] "dir2\0"
## | | | | | | | | +---------- include_directories[1] "dir1\0"
## | | | | | | | +- standard_opcode_lengths[DW_LNS_fixed_advance_pc] (1-byte) 0x09
## | | | | | | +- standard_opcode_lengths[DW_LNS_const_add_pc] (1-byte) 0x08
## | | | | | +- standard_opcode_lengths[DW_LNS_set_basic_block] (1-byte) 0x07
## | | | | +- standard_opcode_lengths[DW_LNS_negate_stmt] (1-byte) 0x06
## | | | +- standard_opcode_lengths[DW_LNS_set_column] (1-byte) 0x05
## | | +- standard_opcode_lengths[DW_LNS_set_file] (1-byte) 0x04
## | +- standard_opcode_lengths[DW_LNS_advance_line] (1-byte) 0x03
## +- standard_opcode_lengths[DW_LNS_advance_pc] (1-byte) 0x02
##
# DWARF-BE-CONTENT-NEXT: 0020: 32000061 2E630001 0203622E 63000203
## | | | | | | | | |
## | | | | | | | | +- ModTime (ULEB128) 0x03
## | | | | | | | +- DirIndex (ULEB128) 0x02
## | | | | | | +-------- file_names[2] "b.c\0"
## | | | | | +- Length (ULEB128) 0x03
## | | | | +- ModTime (ULEB128) 0x02
## | | | +- DirIndex (ULEB128) 0x01
## | | +-------- file_names[1] "a.c\0"
## | +- terminating entry (1-byte) 0x00
## +--- the last two bytes of "dir2\0"
##
# DWARF-BE-CONTENT-NEXT: 0030: 0400
## | |
## | +- terminating entry (1-byte) 0x00
## +- Length (ULEB128) 0x04
# DWARF-BE-CONTENT-NEXT: )
## b) Generate the .debug_line section from raw section content.
# RUN: yaml2obj --docnum=2 %s -o %t2.o
# RUN: llvm-readobj --sections --section-data %t2.o | \
# RUN: FileCheck %s -DSIZE=3 -DADDRALIGN=0 --check-prefixes=SHDR,ARBITRARY-CONTENT
# ARBITRARY-CONTENT: SectionData (
# ARBITRARY-CONTENT-NEXT: 0000: 112233 |."3|
# ARBITRARY-CONTENT-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .debug_line
Type: SHT_PROGBITS
Content: "112233"
## c) Generate the .debug_line section when the "Size" is specified.
# RUN: yaml2obj --docnum=3 %s -o %t3.o
# RUN: llvm-readobj --sections --section-data %t3.o | \
# RUN: FileCheck %s -DSIZE=16 -DADDRALIGN=0 --check-prefixes=SHDR,SIZE
# SIZE: SectionData (
# SIZE-NEXT: 0000: 00000000 00000000 00000000 00000000 |................|
# SIZE-NEXT: )
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .debug_line
Type: SHT_PROGBITS
Size: 0x10
## d) Test that yaml2obj emits an error message when both the "Size" and the
## "debug_line" entry are specified at the same time.
# RUN: not yaml2obj --docnum=4 %s 2>&1 | FileCheck %s --check-prefix=ERROR
# ERROR: yaml2obj: error: cannot specify section '.debug_line' contents in the 'DWARF' entry and the 'Content' or 'Size' in the 'Sections' entry at the same time
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .debug_line
Type: SHT_PROGBITS
Size: 0x10
DWARF:
debug_line:
- Length: 0x70
Version: 2
PrologueLength: 50
MinInstLength: 1
DefaultIsStmt: 1
LineBase: 1
LineRange: 14
OpcodeBase: 13
StandardOpcodeLengths: []
IncludeDirs: []
Files: []
Opcodes: []
## e) Test that yaml2obj emits an error message when both the "Content" and the
## "debug_line" entry are specified at the same time.
# RUN: not yaml2obj --docnum=5 %s 2>&1 | FileCheck %s --check-prefix=ERROR
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .debug_line
Type: SHT_PROGBITS
Content: "00"
DWARF:
debug_line:
- Length: 0x70
Version: 2
PrologueLength: 50
MinInstLength: 1
DefaultIsStmt: 1
LineBase: 1
LineRange: 14
OpcodeBase: 13
StandardOpcodeLengths: []
IncludeDirs: []
Files: []
Opcodes: []
## f) Test that all the properties can be overridden by the section header when
## the "debug_line" entry doesn't exist.
# RUN: yaml2obj --docnum=6 %s -o %t6.o
# RUN: llvm-readelf --sections %t6.o | FileCheck %s --check-prefix=OVERRIDDEN
# OVERRIDDEN: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
# OVERRIDDEN: [ 1] .debug_line STRTAB 0000000000002020 000050 000011 01 A 2 1 2
# OVERRIDDEN-NEXT: [ 2] .sec STRTAB 0000000000000000 000061 000000 00 0 0 0
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .debug_line
Type: SHT_STRTAB # SHT_PROGBITS by default.
Flags: [SHF_ALLOC] # 0 by default.
Link: .sec # 0 by default.
EntSize: 1 # 0 by default.
Info: 1 # 0 by default.
AddressAlign: 2 # 0 by default.
Address: 0x2020 # 0x00 by default.
Offset: 0x50 # 0x40 for the first section.
Size: 0x11 # Set the "Size" so that we can reuse the check tag "OVERRIDDEN".
- Name: .sec # Linked by .debug_line.
Type: SHT_STRTAB
## g) Test that all the properties can be overridden by the section header when
## the "debug_line" entry exists.
# RUN: yaml2obj --docnum=7 %s -o %t7.o
# RUN: llvm-readelf --sections %t7.o | FileCheck %s --check-prefix=OVERRIDDEN
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
Machine: EM_X86_64
Sections:
- Name: .debug_line
Type: SHT_STRTAB # SHT_PROGBITS by default.
Flags: [SHF_ALLOC] # 0 by default.
Link: .sec # 0 by default.
EntSize: 1 # 0 by default.
Info: 1 # 0 by default.
AddressAlign: 2 # 1 by default.
Address: 0x2020 # 0x00 by default.
Offset: 0x50 # 0x40 for the first section.
- Name: .sec # Linked by .debug_line.
Type: SHT_STRTAB
DWARF:
debug_line:
- Length: 0x70
Version: 2
PrologueLength: 50
MinInstLength: 1
DefaultIsStmt: 1
LineBase: 1
LineRange: 14
OpcodeBase: 13
StandardOpcodeLengths: []
IncludeDirs: []
Files: []
Opcodes: []