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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
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
## 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
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
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
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: []
## 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
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: []
## 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
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
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: []
## h) Test that the address size is inferred from the target machine.
# RUN: yaml2obj --docnum=8 -DBITS=64 -DADDR=0x1234567890abcdef %s -o %t8.64-bit.o
# RUN: llvm-readelf --hex-dump=.debug_line %t8.64-bit.o | \
# RUN: FileCheck %s --check-prefix=ADDRSIZE -DADDR="efcdab90 78563412"
# ADDRSIZE: Hex dump of section '.debug_line':
# ADDRSIZE-NEXT: 0x00000000 34120000 02003412 00000101 010e0d00 4.....4.........
## ^------- unit_length (4-byte)
## ^--- version (2-byte)
## ^-------- header_length (4-byte)
## ^- minimum_instruction_length (1-byte)
## ^- default_is_stmt (1-byte)
## ^- line_base (1-byte)
## ^- line_range (1-byte)
## ^- opcode_base (1-byte)
## ^- null byte for terminating include_directories
# ADDRSIZE-NEXT: 0x00000010 00000902 [[ADDR]]
## ^- null byte for terminating file_names
## ^- DW_LNS_extended_op
## ^- extended op length (ULEB128) 0x09
## ^- DW_LNE_set_address
## ^------- address
# RUN: yaml2obj --docnum=8 -DBITS=32 -DADDR=0x12345678 %s -o %t8.32-bit.o
# RUN: llvm-readelf --hex-dump=.debug_line %t8.32-bit.o | \
# RUN: FileCheck %s --check-prefix=ADDRSIZE -DADDR="78563412"
--- !ELF
FileHeader:
Class: ELFCLASS[[BITS]]
Data: ELFDATA2LSB
Type: ET_EXEC
DWARF:
debug_line:
- Length: 0x1234
Version: 2
PrologueLength: 0x1234
MinInstLength: 1
DefaultIsStmt: 1
LineBase: 1
LineRange: 14
OpcodeBase: 13
StandardOpcodeLengths: []
Opcodes:
- Opcode: DW_LNS_extended_op
ExtLen: 9
SubOpcode: DW_LNE_set_address
Data: [[ADDR]]
## i) Test that yaml2obj is able to emit correct opcodes.
# RUN: yaml2obj --docnum=9 %s -o %t9.o
# RUN: llvm-readelf --hex-dump=.debug_line %t9.o | FileCheck %s --check-prefix=OPCODES
# OPCODES: Hex dump of section '.debug_line':
# OPCODES-NEXT: 0x00000000 34120000 04003412 00000101 01010e0d 4.....4.........
## ^------- unit_length (4-byte)
## ^--- version (2-byte)
## ^-------- header_length (4-byte)
## ^- minimum_instruction_length (1-byte)
## ^- maximum_operations_per_instruction (1-byte)
## ^- default_is_stmt (1-byte)
## ^- line_base (1-byte)
## ^- line_range (1-byte)
## ^- opcode_base (1-byte)
# OPCODES-NEXT: 0x00000010 00000102 b42403b4 2404b424 05b42406 .....$..$..$..$.
## ^- null byte for terminating include_directories
## ^- null byte for terminating file_names
## ^- DW_LNS_copy (1-byte)
## ^- DW_LNS_advance_pc
## ^--- operands[0] (ULEB128) 0x1234
## ^- DW_LNS_advance_line
## ^---- operands[0] (SLEB128) 0x1234
## ^- DW_LNS_set_file
## ^--- operands[0] (ULEB128) 0x1234
## ^- DW_LNS_set_column
## ^--- operands[0] (ULEB128) 0x1234
## ^- DW_LNS_negate_stmt
# OPCODES-NEXT: 0x00000020 07080934 120a0b0c b4240009 01000902 ...4.....$......
## ^- DW_LNS_set_basic_block
## ^- DW_LNS_const_add_pc
## ^- DW_LNS_fixed_advance_pc
## ^---- operands[0] (uhalf, 2-byte)
## ^- DW_LNS_set_prologue_end
## ^- DW_LNS_set_epilogue_begin
## ^- DW_LNS_set_isa
## ^--- operands[0] (ULEB128) 0x1234
## ^- DW_LNS_extended_op
## ^- extended op length (ULEB128) 0x09
## ^- DW_LNE_end_sequence
## ^- DW_LNS_extended_op
## ^- extended op length (ULEB128) 0x09
## ^- DW_LNE_set_address
# OPCODES-NEXT: 0x00000030 34120000 00000000 00090361 62636400 4..........abcd.
## ^---------------- operands[0] (8-byte)
## ^- DW_LNS_extended_op
## ^- extended op length (ULEB128) 0x09
## ^- DW_LNE_define_file
## ^---------- operands[0] "abcd\0"
# OPCODES-NEXT: 0x00000040 b424b424 b4240009 04b424 .$.$.$....$
## ^--- operands[1] (ULEB128) 0x1234
## ^--- operands[2] (ULEB128) 0x1234
## ^--- operands[3] (ULEB128) 0x1234
## ^- DW_LNS_extended_op
## ^- extended op length (ULEB128) 0x09
## ^- DW_LNE_set_discriminator
## ^--- operands[0] (ULEB128) 0x1234
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
DWARF:
debug_line:
- Length: 0x1234
Version: 4
PrologueLength: 0x1234
MinInstLength: 1
MaxOpsPerInst: 1
DefaultIsStmt: 1
LineBase: 1
LineRange: 14
OpcodeBase: 13
StandardOpcodeLengths: []
Opcodes:
- Opcode: DW_LNS_copy
- Opcode: DW_LNS_advance_pc
Data: 0x1234
- Opcode: DW_LNS_advance_line
SData: 0x1234
- Opcode: DW_LNS_set_file
Data: 0x1234
- Opcode: DW_LNS_set_column
Data: 0x1234
- Opcode: DW_LNS_negate_stmt
- Opcode: DW_LNS_set_basic_block
- Opcode: DW_LNS_const_add_pc
- Opcode: DW_LNS_fixed_advance_pc
Data: 0x1234
- Opcode: DW_LNS_set_prologue_end
- Opcode: DW_LNS_set_epilogue_begin
- Opcode: DW_LNS_set_isa
Data: 0x1234
- Opcode: DW_LNS_extended_op
ExtLen: 0x09
SubOpcode: DW_LNE_end_sequence
- Opcode: DW_LNS_extended_op
ExtLen: 0x09
SubOpcode: DW_LNE_set_address
Data: 0x1234
- Opcode: DW_LNS_extended_op
ExtLen: 0x09
SubOpcode: DW_LNE_define_file
FileEntry:
Name: abcd
DirIdx: 0x1234
ModTime: 0x1234
Length: 0x1234
- Opcode: DW_LNS_extended_op
ExtLen: 0x09
SubOpcode: DW_LNE_set_discriminator
Data: 0x1234
## j) Test that yaml2obj is able to infer the length and header_length fields.
# RUN: yaml2obj --docnum=10 %s -o %t10.o
# RUN: llvm-readelf --hex-dump=.debug_line %t10.o | FileCheck %s --check-prefix=INFER-LENGTH
# INFER-LENGTH: Hex dump of section '.debug_line':
# INFER-LENGTH-NEXT: 0x00000000 2e000000 04002500 00000101 01fb0e04 ......%.........
## ^------- unit_length (4-byte) 0x2e
## ^--- version (2-byte)
## ^-------- header_length (4-byte) 0x25
## ^- minimum_instruction_length (1-byte)
## ^- maximum_operations_per_instruction (1-byte)
## ^- default_is_stmt (1-byte)
## ^- line_base (1-byte) -5
## ^- line_range (1-byte)
## ^- opcode_base (1-byte)
# INFER-LENGTH-NEXT: 0x00000010 00010174 656d7031 0074656d 70320000 ...temp1.temp2..
## ^----- standard_opcode_lengths (3-byte)
## ^------------- include_directories[1] "temp1\0"
## ^------------ include_directories[2] "temp1\0"
## ^- include_directories null byte
# INFER-LENGTH-NEXT: 0x00000020 612e6300 01000062 2e630002 00000000 a.c....b.c......
## ^------- file_names[1] file name "a.c\0"
## ^- file_names[1] directory index (ULEB128) 0x01
## ^- file_names[1] file length (ULEB128) 0x00
## ^- file_names[1] modification time 0x00
## ^-------- file_names[2] file name "b.c\0"
## ^- file_names[2] directory index (ULEB128) 0x02
## ^- file_names[2] file length (ULEB128) 0x00
## ^- file_names[2] modification time 0x00
## ^- file_names null byte
## ^- DW_LNS_extended_op
# INFER-LENGTH-NEXT: 0x00000030 0101ffff ffff2500 00000000 00000400 ......%.........
## ^- extended op length (ULEB128) 0x01
## ^- DW_LNE_end_sequence
## ^-------------------------- unit_length (12-byte)
## ^--- version (2-byte)
# INFER-LENGTH-NEXT: 0x00000040 18000000 00000000 010101fb 0e040001 ................
## ^---------------- header_length (8-byte)
## ^- minimum_instruction_length (1-byte)
## ^- maximum_operations_per_instruction (1-byte)
## ^- default_is_stmt (1-byte)
## ^- line_base (1-byte) -5
## ^- line_range (1-byte)
## ^- opcode_base (1-byte)
## ^--- standard_opcode_lengths (3-byte)
# INFER-LENGTH-NEXT: 0x00000050 0174656d 70330000 632e6300 01000000 .temp3..c.c.....
## --
## ^------------ include_directories[1] "temp3\0"
## ^- include_directories null byte
## ^------- file_names[1] file name "a.c\0"
## ^- file_names[1] directory index (ULEB128) 0x01
## ^- file_names[1] file length (ULEB128) 0x00
## ^- file_names[1] modification time 0x00
## ^- file_names null byte
# INFER-LENGTH-NEXT: 0x00000060 000101 ...
## ^- DW_LNS_extended_op
## ^- extended op length (ULEB128) 0x01
## ^- DW_LNE_end_sequence
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
DWARF:
debug_line:
- Version: 4
MinInstLength: 1
MaxOpsPerInst: 1
DefaultIsStmt: 1
LineBase: 251
LineRange: 14
OpcodeBase: 4
StandardOpcodeLengths: [ 0, 1, 1 ]
IncludeDirs:
- temp1
- temp2
Files:
- Name: a.c
DirIdx: 1
ModTime: 0
Length: 0
- Name: b.c
DirIdx: 2
ModTime: 0
Length: 0
Opcodes:
- Opcode: DW_LNS_extended_op
ExtLen: 1
SubOpcode: DW_LNE_end_sequence
- Format: DWARF64
Version: 4
MinInstLength: 1
MaxOpsPerInst: 1
DefaultIsStmt: 1
LineBase: 251
LineRange: 14
OpcodeBase: 4
StandardOpcodeLengths: [ 0, 1, 1 ]
IncludeDirs:
- temp3
Files:
- Name: c.c
DirIdx: 1
ModTime: 0
Length: 0
Opcodes:
- Opcode: DW_LNS_extended_op
ExtLen: 1
SubOpcode: DW_LNE_end_sequence
## k) Test that we can omit the include_directories, file_names and opcodes
## fields of the line table.
# RUN: yaml2obj --docnum=11 %s -o %t11.o
# RUN: llvm-readelf --hex-dump=.debug_line %t11.o | \
# RUN: FileCheck %s --check-prefix=OMIT-FIELDS
# OMIT-FIELDS: Hex dump of section '.debug_line':
# OMIT-FIELDS-NEXT: 0x00000000 11000000 04000b00 00000101 01fb0e04 ................
## ^------- unit_length (4-byte)
## ^--- version (2-byte)
## ^-------- header_length (4-byte)
## ^- minimum_instruction_length (1-byte)
## ^- maximum_operations_per_instruction (1-byte)
## ^- default_is_stmt (1-byte)
## ^- line_base (1-byte) -5
## ^- line_range (1-byte)
## ^- opcode_base (1-byte)
# OMIT-FIELDS-NEXT: 0x00000010 00010100 00 .....
## ^----- standard_opcode_lengths (3-byte)
## ^- include_directories null byte (1-byte)
## ^- file_names null byte (1-byte)
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
DWARF:
debug_line:
- Version: 4
MinInstLength: 1
MaxOpsPerInst: 1
DefaultIsStmt: 1
LineBase: 251
LineRange: 14
OpcodeBase: 4
StandardOpcodeLengths: [ 0, 1, 1 ]
## l) Test that we can specify or omit the ExtLen field of extended opcodes.
# RUN: yaml2obj --docnum=12 %s -o %t12.o
# RUN: llvm-readelf --hex-dump=.debug_line %t12.o | \
# RUN: FileCheck %s --check-prefix=EXTLEN --strict-whitespace
# EXTLEN: Hex dump of section '.debug_line':
# EXTLEN-NEXT: 0x00000000 20000000 04000800 00000101 01fb0e01
## ^---------------------------------- line number program header
# EXTLEN-NEXT: 0x00000010 0000000c 03616263 6400b424 b424b424
## ----
## ^- DW_LNS_extended_op
## ^- extended opcode length (ULEB128) 12
## ^- DW_LNE_define_file
## ^---------- "abcd\0"
## ^--- directory index (ULEB128) 0x1234
## ^--- modification time (ULEB128) 0x1234
## ^--- file length (ULEB128) 0x1234
# EXTLEN-NEXT: 0x00000020 00b42401{{ }}
## ^- DW_LNS_extended_op
## ^--- extended opcode length (ULEB128) 0x1234
## ^- DW_LNE_end_sequence
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
DWARF:
debug_line:
- Version: 4
MinInstLength: 1
MaxOpsPerInst: 1
DefaultIsStmt: 1
LineBase: 251
LineRange: 14
OpcodeBase: 1
StandardOpcodeLengths: []
Opcodes:
- Opcode: DW_LNS_extended_op
## Omit the ExtLen field.
SubOpcode: DW_LNE_define_file
FileEntry:
Name: abcd
DirIdx: 0x1234
ModTime: 0x1234
Length: 0x1234
- Opcode: DW_LNS_extended_op
## Specify the ExtLen field.
ExtLen: 0x1234
SubOpcode: DW_LNE_end_sequence
## m) Test how yaml2obj generates the opcode_base and the
## standard_opcode_lengths fields.
## Both the opcode_base and the standard_opcode_lengths fields are not
## specified (DWARFv2).
# RUN: yaml2obj --docnum=13 -DVERSION=2 -DMAXOPSPERINST='' %s -o %t13.o
# RUN: llvm-readelf --hex-dump=.debug_line %t13.o | \
# RUN: FileCheck %s --check-prefix=OPCODEBASEV2
# OPCODEBASEV2: Hex dump of section '.debug_line':
# OPCODEBASEV2-NEXT: 0x00000000 16000000 02001000 00000101 00010a00 ................
## ^- opcode_base (10)
## ^- standard_opcode_lengths[DW_LNS_copy] = 0
# OPCODEBASEV2-NEXT: 0x00000010 01010101 00000001 0000 ..........
## ^- standard_opcode_lengths[DW_LNS_advance_pc] = 1
## ^- standard_opcode_lengths[DW_LNS_advance_line] = 1
## ^- standard_opcode_lengths[DW_LNS_set_file] = 1
## ^- standard_opcode_lengths[DW_LNS_set_column] = 1
## ^- standard_opcode_lengths[DW_LNS_negate_stmt] = 0
## ^- standard_opcode_lengths[DW_LNS_set_basic_block] = 0
## ^- standard_opcode_lengths[DW_LNS_const_add_pc] = 0
## ^- standard_opcode_lengths[DW_LNS_fixed_advance_pc] = 1
## ^--- terminators for include_directories and file_names
--- !ELF
FileHeader:
Class: ELFCLASS64
Data: ELFDATA2LSB
Type: ET_EXEC
DWARF:
debug_line:
- Version: [[VERSION=4]]
MinInstLength: 1
[[MAXOPSPERINST=MaxOpsPerInst: 0]]
DefaultIsStmt: 1
LineBase: 0
LineRange: 1
OpcodeBase: [[OPCODEBASE=<none>]]
StandardOpcodeLengths: [[STANDARDOPCODELENGTHS=<none>]]
## Both the opcode_base and the standard_opcode_lengths fields are not
## specified (DWARFv3).
# RUN: yaml2obj --docnum=13 -DVERSION=3 -DMAXOPSPERINST='' %s -o %t14.o
# RUN: llvm-readelf --hex-dump=.debug_line %t14.o | \
# RUN: FileCheck %s --check-prefix=OPCODEBASEV3
# OPCODEBASEV3: Hex dump of section '.debug_line':
# OPCODEBASEV3-NEXT: 0x00000000 19000000 03001300 00000101 00010d00 ................
## ^- opcode_base (13)
## ^- standard_opcode_lengths[DW_LNS_copy] = 0
# OPCODEBASEV3-NEXT: 0x00000010 01010101 00000001 00000100 00 .............
## ^- standard_opcode_lengths[DW_LNS_advance_pc] = 1
## ^- standard_opcode_lengths[DW_LNS_advance_line] = 1
## ^- standard_opcode_lengths[DW_LNS_set_file] = 1
## ^- standard_opcode_lengths[DW_LNS_set_column] = 1
## ^- standard_opcode_lengths[DW_LNS_negate_stmt] = 0
## ^- standard_opcode_lengths[DW_LNS_set_basic_block] = 0
## ^- standard_opcode_lengths[DW_LNS_const_add_pc] = 0
## ^- standard_opcode_lengths[DW_LNS_fixed_advance_pc] = 1
## ^- standard_opcode_lengths[DW_LNS_set_prologue_end] = 0
## ^- standard_opcode_lengths[DW_LNS_set_epilogue_begin] = 0
## ^- standard_opcode_lengths[DW_LNS_set_isa] = 1
## ^---- terminators for include_directories and file_names
## Both the opcode_base and the standard_opcode_lengths fields are not
## specified (DWARFv4).
# RUN: yaml2obj --docnum=13 %s -o %t15.o
# RUN: llvm-readelf --hex-dump=.debug_line %t15.o | \
# RUN: FileCheck %s --check-prefix=OPCODEBASEV4
# OPCODEBASEV4: Hex dump of section '.debug_line':
# OPCODEBASEV4-NEXT: 0x00000000 1a000000 04001400 00000100 0100010d ................
## ^- opcode_base (13)
# OPCODEBASEV4-NEXT: 0x00000010 00010101 01000000 01000001 0000 ..............
## ^- standard_opcode_lengths[DW_LNS_copy] = 0
## ^- standard_opcode_lengths[DW_LNS_advance_pc] = 1
## ^- standard_opcode_lengths[DW_LNS_advance_line] = 1
## ^- standard_opcode_lengths[DW_LNS_set_file] = 1
## ^- standard_opcode_lengths[DW_LNS_set_column] = 1
## ^- standard_opcode_lengths[DW_LNS_negate_stmt] = 0
## ^- standard_opcode_lengths[DW_LNS_set_basic_block] = 0
## ^- standard_opcode_lengths[DW_LNS_const_add_pc] = 0
## ^- standard_opcode_lengths[DW_LNS_fixed_advance_pc] = 1
## ^- standard_opcode_lengths[DW_LNS_set_prologue_end] = 0
## ^- standard_opcode_lengths[DW_LNS_set_epilogue_begin] = 0
## ^- standard_opcode_lengths[DW_LNS_set_isa] = 1
## ^--- terminators for include_directories and file_names
## Specify the opcode_base field (opcode_base == 0).
# RUN: yaml2obj --docnum=13 -DOPCODEBASE=0 %s -o %t16.o
# RUN: llvm-readelf --hex-dump=.debug_line %t16.o | \
# RUN: FileCheck %s --check-prefix=ZERO-OPCODEBASE
# ZERO-OPCODEBASE: Hex dump of section '.debug_line':
# ZERO-OPCODEBASE-NEXT: 0x00000000 0e000000 04000800 00000100 01000100 ................
## ^- opcode_base (0)
# ZERO-OPCODEBASE-NEXT: 0x00000010 0000 ..
## ^--- terminators for include_directories and file_names
## Specify the opcode_base field (opcode_base != 0, opcode_base - 1 < 12).
## The standard_opcode_lengths array will be truncated.
# RUN: yaml2obj --docnum=13 -DOPCODEBASE=4 %s -o %t17.o
# RUN: llvm-readelf --hex-dump=.debug_line %t17.o | \
# RUN: FileCheck %s --check-prefix=OPCODEBASE
# OPCODEBASE: Hex dump of section '.debug_line':
# OPCODEBASE-NEXT: 0x00000000 11000000 04000b00 00000100 01000104 ................
## ^- opcode_base (4)
# OPCODEBASE-NEXT: 0x00000010 00010100 00 .....
## ^----- standard_opcode_lengths (3-byte)
## ^---- terminators for include_directories and file_names
## Specify the opcode_base field (opcode_base != 0, opcode_base - 1 > 12).
## The standard_opcode_lengths array will be extended.
# RUN: yaml2obj --docnum=13 -DOPCODEBASE=20 %s -o %t18.o
# RUN: llvm-readelf --hex-dump=.debug_line %t18.o | \
# RUN: FileCheck %s --check-prefix=OPCODEBASE1
# OPCODEBASE1: Hex dump of section '.debug_line':
# OPCODEBASE1-NEXT: 0x00000000 21000000 04001b00 00000100 01000114 !...............
## ^- opcode_base (20)
# OPCODEBASE1-NEXT: 0x00000010 00010101 01000000 01000001 00000000 ................
## ^------------------------- standard_opcode_lengths defined in DWARFv5 (12-byte)
## ^------- extended standard_opcode_lengths (7-byte)
# OPCODEBASE1-NEXT: 0x00000020 00000000 00 .....
## ------
## ^---- terminators for include_directories and file_names
## Specify the standard_opcode_lengths field.
# RUN: yaml2obj --docnum=13 -DSTANDARDOPCODELENGTHS=[0,1,0] %s -o %t19.o
# RUN: llvm-readelf --hex-dump=.debug_line %t19.o | \
# RUN: FileCheck %s --check-prefix=OPCODELENGTHS
# OPCODELENGTHS: Hex dump of section '.debug_line':
# OPCODELENGTHS-NEXT: 0x00000000 11000000 04000b00 00000100 01000104 ................
## ^- opcode_base (4)
# OPCODELENGTHS-NEXT: 0x00000010 00010000 00 .....
## ^----- standard_opcode_lengths (3-byte)
## ^---- terminators for include_directories and file_names
## Specify both the opcode_base and the standard_opcode_lengths fields.
# RUN: yaml2obj --docnum=13 -DOPCODEBASE=2 -DSTANDARDOPCODELENGTHS=[0,1,0] %s -o %t20.o
# RUN: llvm-readelf --hex-dump=.debug_line %t20.o | \
# RUN: FileCheck %s --check-prefix=OPCODEBASE-LENGTHS
# OPCODEBASE-LENGTHS: Hex dump of section '.debug_line':
# OPCODEBASE-LENGTHS-NEXT: 0x00000000 11000000 04000b00 00000100 01000102 ................
## ^- opcode_base (2)
# OPCODEBASE-LENGTHS-NEXT: 0x00000010 00010000 00 .....
## ^----- standard_opcode_lengths (3-byte)
## ^---- terminators for include_directories and file_names
|
