| ## 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 |
