| ## Test that yaml2obj emits .debug_info section. |
| |
| ## a) Generate the .debug_info section from the "DWARF" entry. |
| |
| ## Generate and verify a DWARF32 little endian .debug_info (DWARFv5) section. |
| |
| # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2LSB %s -o %t1.le.o |
| # RUN: llvm-readobj --sections --section-data %t1.le.o | \ |
| # RUN: FileCheck -DINDEX=2 -DNAME=15 -DOFFSET=0x9B -DSIZE=179 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-LE-CONTENT |
| |
| # SHDR: Index: [[INDEX]] |
| # SHDR-NEXT: Name: .debug_info ([[NAME]]) |
| # SHDR-NEXT: Type: SHT_PROGBITS (0x1) |
| # SHDR-NEXT: Flags [ (0x0) |
| # SHDR-NEXT: ] |
| # SHDR-NEXT: Address: 0x0 |
| # SHDR-NEXT: Offset: [[OFFSET]] |
| # SHDR-NEXT: Size: [[SIZE]] |
| # SHDR-NEXT: Link: 0 |
| # SHDR-NEXT: Info: 0 |
| # SHDR-NEXT: AddressAlignment: [[ADDRALIGN]] |
| # SHDR-NEXT: EntrySize: 0 |
| # DWARF32-LE-CONTENT-NEXT: SectionData ( |
| # DWARF32-LE-CONTENT-NEXT: 0000: 34120000 05000204 34120000 01785634 |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^- unit_type (1-byte) DW_UT_type |
| ## ^- address_size (1-byte) |
| ## ^------- debug_abbrev_offset (4-byte) |
| ## ^- abbreviation code (LEB128) 0x01 |
| ## ^----- Form: DW_FORM_addr (4-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0010: 12020012 34020000 00123434 12785634 |
| ## -- |
| ## ^--- Form: DW_FORM_block2 size (2-byte) |
| ## ^- ^- Form: DW_FORM_block2 body (2-byte) |
| ## ^-------- Form: DW_FORM_block4 size (4-byte) |
| ## ^-^- Form: DW_FORM_block4 body (2-byte) |
| ## ^---- Form: DW_FORM_data2 (2-byte) |
| ## ^----- Form: DW_FORM_data4 (4-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0020: 12F0DEBC 9A785634 12616263 64000212 |
| ## -- |
| ## ^----------------- Form: DW_FORM_data8 (8-byte) |
| ## ^---------- Form: DW_FORM_string "abcd\0" |
| ## ^- Form: DW_FORM_block size (ULEB128) |
| ## ^- Form: DW_FORM_block body (2-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0030: 34021234 1201B424 78563412 B4247856 |
| ## ^- Form: DW_FORM_block body |
| ## ^- Form: DW_FORM_block1 size (1-byte) |
| ## ^-^- Form: DW_FORM_block1 body (2-byte) |
| ## ^- Form: DW_FORM_data1 (1-byte) |
| ## ^- Form: DW_FORM_flag (1-byte) |
| ## ^--- Form: DW_FORM_sdata (SLEB128) 0x1234 |
| ## ^------- Form: DW_FORM_strp (4-byte) |
| ## ^--- Form: DW_FORM_udata (ULEB128) 0x1234 |
| ## ^--- Form: DW_FORM_ref_addr (4-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0040: 34121234 12785634 12F0DEBC 9A785634 |
| ## ---- |
| ## ^- Form: DW_FORM_ref1 (1-byte) |
| ## ^---- Form: DW_FORM_ref2 (2-byte) |
| ## ^-------- Form: DW_FORM_ref4 (4-byte) |
| ## ^-------------- Form: DW_FORM_ref8 (8-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0050: 12B42408 65666768 00341200 00021234 |
| ## -- |
| ## ^--- Form: DW_FORM_ref_udata (ULEB128) 0x1234 |
| ## ^- Form: DW_FORM_indirect (ULEB128) DW_FORM_string |
| ## ^---------- "efgh\0" |
| ## ^-------- Form: DW_FORM_sec_offset (4-byte) |
| ## ^- Form: DW_FORM_exprloc size (ULEB128) 0x02 |
| ## ^-^- Form: DW_FORM_exprloc body (2-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0060: B424B424 78563412 78563412 78563412 |
| ## ^--- Form: DW_FORM_strx (ULEB128) |
| ## ^--- Form: DW_FORM_addrx (ULEB128) |
| ## ^------- Form: DW_FORM_ref_sup4 (4-byte) |
| ## ^------- Form: DW_FORM_strp_sup (4-byte) |
| ## ^------- Form: DW_FORM_line_strp (4-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0070: F0DEBC9A 78563412 B424B424 F0DEBC9A |
| ## ^---------------- Form: DW_FORM_ref_sig8 (8-byte) |
| ## ^--- Form: DW_FORM_loclistx (ULEB128) |
| ## ^--- Form: DW_FORM_rnglistx (ULEB128) |
| ## ^------- Form: DW_FORM_ref_sup8 (8-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0080: 78563412 12341278 56341212 34127856 |
| ## -------- |
| ## ^- Form: DW_FORM_strx1 (1-byte) |
| ## ^--- Form: DW_FORM_strx2 (2-byte) |
| ## ^-------- Form: DW_FORM_strx4 (4-byte) |
| ## ^- Form: DW_FORM_addrx1 (1-byte) |
| ## ^--- Form: DW_FORM_addrx2 (1-byte) |
| ## ^--- Form: DW_FORM_addrx4 (4-byte) |
| # DWARF32-LE-CONTENT-NEXT: 0090: 34123412 00000500 01043412 00000078 |
| ## ---- |
| ## ^-------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^- unit_type (1-byte) |
| ## ^- address_size (1-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- abbrev code (ULEB128) 0x00 |
| ## ^- unit_length (4-byte) |
| # DWARF32-LE-CONTENT-NEXT: 00A0: 56000004 00785600 00040178 56341202 |
| ## ------ |
| ## ^---- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev code (ULEB128) 0x01 |
| ## ^-------- Form: DW_FORM_addr |
| ## ^- Form: DW_FORM_block2 size (2-byte) |
| # DWARF32-LE-CONTENT-NEXT: 00B0: 001234 |
| ## -- |
| ## ^-^- Form: DW_FORM_block2 body (2-byte) |
| # DWARF32-LE-CONTENT-NEXT: ) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: [[ENDIAN]] |
| Type: ET_EXEC |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| Attributes: |
| - Attribute: 0x01 |
| Form: DW_FORM_addr ## 0x01 |
| - Attribute: 0x01 |
| Form: DW_FORM_block2 ## 0x03 |
| - Attribute: 0x01 |
| Form: DW_FORM_block4 ## 0x04 |
| - Attribute: 0x01 |
| Form: DW_FORM_data2 ## 0x05 |
| - Attribute: 0x01 |
| Form: DW_FORM_data4 ## 0x06 |
| - Attribute: 0x01 |
| Form: DW_FORM_data8 ## 0x07 |
| - Attribute: 0x01 |
| Form: DW_FORM_string ## 0x08 |
| - Attribute: 0x01 |
| Form: DW_FORM_block ## 0x09 |
| - Attribute: 0x01 |
| Form: DW_FORM_block1 ## 0x0a |
| - Attribute: 0x01 |
| Form: DW_FORM_data1 ## 0x0b |
| - Attribute: 0x01 |
| Form: DW_FORM_flag ## 0x0c |
| - Attribute: 0x01 |
| Form: DW_FORM_sdata ## 0x0d |
| - Attribute: 0x01 |
| Form: DW_FORM_strp ## 0x0e |
| - Attribute: 0x01 |
| Form: DW_FORM_udata ## 0x0f |
| - Attribute: 0x01 |
| Form: DW_FORM_ref_addr ## 0x10 |
| - Attribute: 0x01 |
| Form: DW_FORM_ref1 ## 0x11 |
| - Attribute: 0x01 |
| Form: DW_FORM_ref2 ## 0x12 |
| - Attribute: 0x01 |
| Form: DW_FORM_ref4 ## 0x13 |
| - Attribute: 0x01 |
| Form: DW_FORM_ref8 ## 0x14 |
| - Attribute: 0x01 |
| Form: DW_FORM_ref_udata ## 0x15 |
| - Attribute: 0x01 |
| Form: DW_FORM_indirect ## 0x16 |
| - Attribute: 0x01 |
| Form: DW_FORM_sec_offset ## 0x17 |
| - Attribute: 0x01 |
| Form: DW_FORM_exprloc ## 0x18 |
| - Attribute: 0x01 |
| Form: DW_FORM_strx ## 0x1a |
| - Attribute: 0x01 |
| Form: DW_FORM_addrx ## 0x1b |
| - Attribute: 0x01 |
| Form: DW_FORM_ref_sup4 ## 0x1c |
| - Attribute: 0x01 |
| Form: DW_FORM_strp_sup ## 0x1d |
| - Attribute: 0x01 |
| Form: DW_FORM_data16 ## 0x1e |
| - Attribute: 0x01 |
| Form: DW_FORM_line_strp ## 0x1f |
| - Attribute: 0x01 |
| Form: DW_FORM_ref_sig8 ## 0x20 |
| - Attribute: 0x01 |
| Form: DW_FORM_implicit_const ## 0x21 |
| Value: 0x01 |
| - Attribute: 0x01 |
| Form: DW_FORM_loclistx ## 0x22 |
| - Attribute: 0x01 |
| Form: DW_FORM_rnglistx ## 0x23 |
| - Attribute: 0x01 |
| Form: DW_FORM_ref_sup8 ## 0x24 |
| - Attribute: 0x01 |
| Form: DW_FORM_strx1 ## 0x25 |
| - Attribute: 0x01 |
| Form: DW_FORM_strx2 ## 0x26 |
| - Attribute: 0x01 |
| Form: DW_FORM_strx3 ## 0x27 |
| - Attribute: 0x01 |
| Form: DW_FORM_strx4 ## 0x28 |
| - Attribute: 0x01 |
| Form: DW_FORM_addrx1 ## 0x29 |
| - Attribute: 0x01 |
| Form: DW_FORM_addrx2 ## 0x2a |
| - Attribute: 0x01 |
| Form: DW_FORM_addrx3 ## 0x2b |
| - Attribute: 0x01 |
| Form: DW_FORM_addrx4 ## 0x2c |
| debug_info: |
| - Length: 0x1234 |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| AddrSize: 4 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x12345678 ## DW_FORM_addr |
| - BlockData: ## DW_FORM_block2 |
| - 0x12 |
| - 0x34 |
| - BlockData: ## DW_FORM_block4 |
| - 0x12 |
| - 0x34 |
| - Value: 0x1234 ## DW_FORM_data2 |
| - Value: 0x12345678 ## DW_FORM_data4 |
| - Value: 0x123456789abcdef0 ## DW_FORM_data8 |
| - CStr: abcd ## DW_FORM_string |
| - BlockData: ## DW_FORM_block |
| - 0x12 |
| - 0x34 |
| - BlockData: ## DW_FORM_block1 |
| - 0x12 |
| - 0x34 |
| - Value: 0x12 ## DW_FORM_data1 |
| - Value: 0x01 ## DW_FORM_flag |
| - Value: 0x1234 ## DW_FORM_sdata |
| - Value: 0x12345678 ## DW_FORM_strp |
| - Value: 0x1234 ## DW_FORM_udata |
| - Value: 0x12345678 ## DW_FORM_ref_addr |
| - Value: 0x12 ## DW_FORM_ref1 |
| - Value: 0x1234 ## DW_FORM_ref2 |
| - Value: 0x12345678 ## DW_FORM_ref4 |
| - Value: 0x123456789abcdef0 ## DW_FORM_ref8 |
| - Value: 0x1234 ## DW_FORM_ref_udata |
| - Value: 0x08 ## DW_FORM_indirect. The following value's form is 0x08, which is DW_FORM_string. |
| - CStr: efgh |
| - Value: 0x1234 ## DW_FORM_sec_offset |
| - BlockData: ## DW_FORM_exprloc |
| - 0x12 |
| - 0x34 |
| - Value: 0x1234 ## DW_FORM_strx |
| - Value: 0x1234 ## DW_FORM_addrx |
| - Value: 0x12345678 ## DW_FORM_ref_sup4 |
| - Value: 0x12345678 ## DW_FORM_strp_sup |
| - Value: 0x1234 ## DW_FORM_data16 (unimplemented) |
| - Value: 0x12345678 ## DW_FORM_line_strp |
| - Value: 0x123456789abcdef0 ## DW_FORM_ref_sig8 |
| - Value: 0x1234 ## DW_FORM_implicit_const (unimplemented) |
| - Value: 0x1234 ## DW_FORM_loclistx |
| - Value: 0x1234 ## DW_FORM_rnglistx |
| - Value: 0x123456789abcdef0 ## DW_FORM_ref_sup8 |
| - Value: 0x12 ## DW_FORM_strx1 |
| - Value: 0x1234 ## DW_FORM_strx2 |
| - Value: 0x123456 ## DW_FORM_strx3 (unimplemented) |
| - Value: 0x12345678 ## DW_FORM_strx4 |
| - Value: 0x12 ## DW_FORM_addrx1 |
| - Value: 0x1234 ## DW_FORM_addrx2 |
| - Value: 0x123456 ## DW_FORM_addrx3 (unimplemented) |
| - Value: 0x12345678 ## DW_FORM_addrx4 |
| - Length: 0x1234 |
| Version: 5 |
| ## Test another unit type. |
| UnitType: DW_UT_compile |
| AbbrOffset: 0x1234 |
| AddrSize: 4 |
| Entries: |
| - AbbrCode: 0 |
| Values: [] |
| - Length: 0x5678 |
| ## Test DWARFv4 |
| Version: 4 |
| AbbrevTableID: 0 |
| AbbrOffset: 0x5678 |
| AddrSize: 4 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x12345678 ## DW_FORM_addr |
| - BlockData: ## DW_FORM_block2 |
| - 0x12 |
| - 0x34 |
| |
| ## Generate and verify a DWARF32 big endian .debug_info (DWARFv4) section. |
| |
| # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2MSB %s -o %t1.be.o |
| # RUN: llvm-readobj --sections --section-data %t1.be.o | \ |
| # RUN: FileCheck -DINDEX=2 -DNAME=15 -DOFFSET=0x9B -DSIZE=179 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-BE-CONTENT |
| |
| # DWARF32-BE-CONTENT-NEXT: SectionData ( |
| # DWARF32-BE-CONTENT-NEXT: 0000: 00001234 00050204 00001234 01123456 |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^- unit_type (1-byte) DW_UT_type |
| ## ^- address_size (1-byte) |
| ## ^------- debug_abbrev_offset (4-byte) |
| ## ^- abbreviation code (LEB128) 0x01 |
| ## ^----- Form: DW_FORM_addr (4-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0010: 78000212 34000000 02123412 34123456 |
| ## -- |
| ## ^--- Form: DW_FORM_block2 size (2-byte) |
| ## ^- ^- Form: DW_FORM_block2 body (2-byte) |
| ## ^-------- Form: DW_FORM_block4 size (4-byte) |
| ## ^-^- Form: DW_FORM_block4 body (2-byte) |
| ## ^---- Form: DW_FORM_data2 (2-byte) |
| ## ^----- Form: DW_FORM_data4 (4-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0020: 78123456 789ABCDE F0616263 64000212 |
| ## -- |
| ## ^----------------- Form: DW_FORM_data8 (8-byte) |
| ## ^---------- Form: DW_FORM_string "abcd\0" |
| ## ^- Form: DW_FORM_block size (ULEB128) |
| ## ^- Form: DW_FORM_block body (2-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0030: 34021234 1201B424 12345678 B4241234 |
| ## ^- Form: DW_FORM_block body |
| ## ^- Form: DW_FORM_block1 size (1-byte) |
| ## ^-^- Form: DW_FORM_block1 body (2-byte) |
| ## ^- Form: DW_FORM_data1 (1-byte) |
| ## ^- Form: DW_FORM_flag (1-byte) |
| ## ^--- Form: DW_FORM_sdata (SLEB128) 0x1234 |
| ## ^------- Form: DW_FORM_strp (4-byte) |
| ## ^--- Form: DW_FORM_udata (ULEB128) 0x1234 |
| ## ^--- Form: DW_FORM_ref_addr (4-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0040: 56781212 34123456 78123456 789ABCDE |
| ## ---- |
| ## ^- Form: DW_FORM_ref1 (1-byte) |
| ## ^---- Form: DW_FORM_ref2 (2-byte) |
| ## ^-------- Form: DW_FORM_ref4 (4-byte) |
| ## ^-------------- Form: DW_FORM_ref8 (8-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0050: F0B42408 65666768 00000012 34021234 |
| ## -- |
| ## ^--- Form: DW_FORM_ref_udata (ULEB128) 0x1234 |
| ## ^- Form: DW_FORM_indirect (ULEB128) DW_FORM_string |
| ## ^---------- "efgh\0" |
| ## ^-------- Form: DW_FORM_sec_offset (4-byte) |
| ## ^- Form: DW_FORM_exprloc size (ULEB128) 0x02 |
| ## ^-^- Form: DW_FORM_exprloc body (2-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0060: B424B424 12345678 12345678 12345678 |
| ## ^--- Form: DW_FORM_strx (ULEB128) |
| ## ^--- Form: DW_FORM_addrx (ULEB128) |
| ## ^------- Form: DW_FORM_ref_sup4 (4-byte) |
| ## ^------- Form: DW_FORM_strp_sup (4-byte) |
| ## ^------- Form: DW_FORM_line_strp (4-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0070: 12345678 9ABCDEF0 B424B424 12345678 |
| ## ^---------------- Form: DW_FORM_ref_sig8 (8-byte) |
| ## ^--- Form: DW_FORM_loclistx (ULEB128) |
| ## ^--- Form: DW_FORM_rnglistx (ULEB128) |
| ## ^------- Form: DW_FORM_ref_sup8 (8-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0080: 9ABCDEF0 12123412 34567812 12341234 |
| ## -------- |
| ## ^- Form: DW_FORM_strx1 (1-byte) |
| ## ^--- Form: DW_FORM_strx2 (2-byte) |
| ## ^-------- Form: DW_FORM_strx4 (4-byte) |
| ## ^- Form: DW_FORM_addrx1 (1-byte) |
| ## ^--- Form: DW_FORM_addrx2 (1-byte) |
| ## ^--- Form: DW_FORM_addrx4 (4-byte) |
| # DWARF32-BE-CONTENT-NEXT: 0090: 56780000 12340005 01040000 12340000 |
| ## ---- |
| ## ^-------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^- unit_type (1-byte) |
| ## ^- address_size (1-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- abbrev code (ULEB128) 0x00 |
| ## ^- unit_length (4-byte) |
| # DWARF32-BE-CONTENT-NEXT: 00A0: 00567800 04000056 78040112 34567800 |
| ## ------ |
| ## ^---- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev code (ULEB128) 0x01 |
| ## ^-------- Form: DW_FORM_addr |
| ## ^- Form: DW_FORM_block2 size (2-byte) |
| # DWARF32-BE-CONTENT-NEXT: 00B0: 021234 |
| ## -- |
| ## ^-^- Form: DW_FORM_block2 body (2-byte) |
| # DWARF32-BE-CONTENT-NEXT: ) |
| |
| ## b) Generate the .debug_info section from raw section content. |
| |
| # RUN: yaml2obj --docnum=2 %s -o %t2.o |
| # RUN: llvm-readobj --sections --section-data %t2.o | \ |
| # RUN: FileCheck -DINDEX=1 -DNAME=1 -DOFFSET=0x40 -DSIZE=3 -DADDRALIGN=0 %s --check-prefixes=SHDR,ARBITRARY-CONTENT |
| |
| # ARBITRARY-CONTENT-NEXT: SectionData ( |
| # ARBITRARY-CONTENT-NEXT: 0000: 112233 |
| # ARBITRARY-CONTENT-NEXT: ) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Sections: |
| - Name: .debug_info |
| Type: SHT_PROGBITS |
| Content: "112233" |
| |
| ## c) Generate the .debug_info section when the "Size" is specified. |
| |
| # RUN: yaml2obj --docnum=3 %s -o %t3.o |
| # RUN: llvm-readobj --sections --section-data %t3.o | \ |
| # RUN: FileCheck -DINDEX=1 -DNAME=1 -DOFFSET=0x40 -DSIZE=16 -DADDRALIGN=0 %s --check-prefixes=SHDR,SIZE |
| |
| # SIZE-NEXT: SectionData ( |
| # SIZE-NEXT: 0000: 00000000 00000000 00000000 00000000 |
| # SIZE-NEXT: ) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Sections: |
| - Name: .debug_info |
| Type: SHT_PROGBITS |
| Size: 0x10 |
| |
| ## d) Test that yaml2obj emits an error message when both the "Size" and the |
| ## "debug_info" entry are specified at the same time. |
| |
| # RUN: not yaml2obj --docnum=4 %s 2>&1 | FileCheck %s --check-prefix=AMBIGUOUS-CONTENT |
| |
| # AMBIGUOUS-CONTENT: yaml2obj: error: cannot specify section '.debug_info' 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_info |
| Type: SHT_PROGBITS |
| Size: 0x10 |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| debug_info: |
| - Length: 0x1234 |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| Entries: [] |
| |
| ## e) Test that yaml2obj emits an error message when both the "Content" and the |
| ## "debug_info" entry are specified at the same time. |
| |
| # RUN: not yaml2obj --docnum=5 %s 2>&1 | FileCheck %s --check-prefix=AMBIGUOUS-CONTENT |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Sections: |
| - Name: .debug_info |
| Type: SHT_PROGBITS |
| Content: "00" |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| debug_info: |
| - Length: 0x1234 |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| Entries: [] |
| |
| ## f) Test that all the properties can be overridden by the section header when |
| ## the "debug_info" 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_info STRTAB 0000000000002020 000050 00000d 01 A 2 1 2 |
| # OVERRIDDEN-NEXT: [ 2] .sec STRTAB 0000000000000000 00005d 000000 00 0 0 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Sections: |
| - Name: .debug_info |
| 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: 0x0d ## Set the "Size" so that we can reuse the check tag "OVERRIDDEN". |
| - Name: .sec ## Linked by .debug_info. |
| Type: SHT_STRTAB |
| |
| ## g) Test that all the properties can be overridden by the section header when |
| ## the "debug_info" 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_info |
| 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. |
| - Name: .sec ## Linked by .debug_info. |
| Type: SHT_STRTAB |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| debug_info: |
| - Length: 0x1234 |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| Entries: |
| - AbbrCode: 0 |
| Values: [] |
| |
| ## h) Test that yaml2obj doesn't crash when the 'Entries' of a compilation unit is empty. |
| |
| # RUN: yaml2obj --docnum=8 %s -o %t8.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t8.o | \ |
| # RUN: FileCheck %s --check-prefix=EMPTY-ENTRIES --match-full-lines |
| |
| # EMPTY-ENTRIES: Hex dump of section '.debug_info': |
| # EMPTY-ENTRIES-NEXT: 0x00000000 34120000 05000204 34120000 4.......4... |
| # EMPTY-ENTRIES-EMPTY: |
| ## ^- 'Entries' is empty |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS32 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_info: |
| - Length: 0x1234 |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| Entries: [] |
| |
| ## h) Test that yaml2obj emits values in the DIE according to the abbreviation whose |
| ## index is equal to the value in 'AbbrevCode'. |
| |
| # RUN: yaml2obj --docnum=9 %s -o %t9.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t9.o | \ |
| # RUN: FileCheck %s --check-prefix=FORM --match-full-lines |
| |
| # FORM: Hex dump of section '.debug_info': |
| # FORM-NEXT: 0x00000000 34120000 05000204 34120000 02341221 4.......4....4.! |
| ## ^------- unit_length (4-byte) |
| ## ^- abbreviation code (ULEB128) |
| ## ^--- Form: DW_FORM_data2 (2-byte) |
| ## ^- Form: DW_FORM_data4 (4-byte) |
| # FORM-NEXT: 0x00000010 43658701 21436587 341200 Ce..!Ce.4.. |
| ## ------ |
| ## ^- abbreviation code (ULEB128) |
| ## ^------- Form: DW_FORM_data4 (4-byte) |
| ## ^--- Form: DW_FORM_data2 (2-byte) |
| ## ^- abbreviation code (ULEB128) |
| # FORM-EMPTY: |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS32 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_yes |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_data4 |
| - Attribute: DW_AT_high_pc |
| Form: DW_FORM_data2 |
| - Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_data2 |
| - Attribute: DW_AT_high_pc |
| Form: DW_FORM_data4 |
| debug_info: |
| - Length: 0x1234 |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| Entries: |
| ## Test that yaml2obj emits values when the abbrev code is specified. |
| - AbbrCode: 2 |
| Values: |
| - Value: 0x1234 |
| - Value: 0x87654321 |
| ## Test that yaml2obj emits values when the abbrev code is specified to |
| ## be lower than the first abbrev. |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x87654321 |
| - Value: 0x1234 |
| ## Test that yaml2obj ignores the contents of entries with abbrev code 0. |
| - AbbrCode: 0 |
| Values: |
| - Value: 0x1234 |
| |
| ## i) Test that yaml2obj reports an error when 'debug_info' has values in its |
| ## entries but 'debug_abbrev' doesn't have enough attributes for them. |
| |
| # RUN: not yaml2obj --docnum=10 %s -o %t10.o 2>&1 | \ |
| # RUN: FileCheck %s --check-prefixes=ERROR |
| |
| # ERROR: yaml2obj: error: abbrev code must be less than or equal to the number of entries in abbreviation table |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_abbrev: |
| - Table: [] |
| debug_info: |
| - Length: 0x1234 |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x1234 |
| |
| ## j) Test that yaml2obj emits the correct DWARF64 unit headers. |
| |
| ## DWARFv5 unit header. |
| |
| # RUN: yaml2obj --docnum=11 %s -o %t11.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t11.o | \ |
| # RUN: FileCheck %s --check-prefix=DWARFV5-HEADER |
| |
| # DWARFV5-HEADER: Hex dump of section '.debug_info': |
| # DWARFV5-HEADER-NEXT: 0x00000000 ffffffff 0c000000 00000000 05000208 ................ |
| ## ^------------------------- unit_length (12-byte) |
| ## ^--- version (2-byte) |
| ## ^- unit_type (1-byte) |
| ## ^- address_size (1-byte) |
| # DWARFV5-HEADER-NEXT: 0x00000010 34120000 00000000 4....... |
| ## ^---------------- debug_abbrev_offset (8-byte) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_info: |
| - Format: DWARF64 |
| Length: 0x0c |
| Version: 5 |
| UnitType: DW_UT_type |
| AbbrOffset: 0x1234 |
| Entries: [] |
| |
| ## DWARFv4 unit header. |
| |
| # RUN: yaml2obj --docnum=12 %s -o %t12.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t12.o | \ |
| # RUN: FileCheck %s --check-prefix=DWARFV4-HEADER |
| |
| # DWARFV4-HEADER: Hex dump of section '.debug_info': |
| # DWARFV4-HEADER-NEXT: 0x00000000 ffffffff 0c000000 00000000 04003412 ..............4. |
| ## ^------------------------- unit_length (12-byte) |
| ## ^--- version (2-byte) |
| ## ^--- debug_abbrev_offset (8-byte) |
| # DWARFV4-HEADER-NEXT: 0x00000010 00000000 000008 ....... |
| ## ------------- |
| ## ^- address_size (1-byte) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_info: |
| - Format: DWARF64 |
| Length: 0x0c |
| Version: 4 |
| AbbrOffset: 0x1234 |
| Entries: [] |
| |
| ## k) Test that yaml2obj is able to emit a correct length for compilation units. |
| |
| # RUN: yaml2obj --docnum=13 %s -o %t13.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t13.o | \ |
| # RUN: FileCheck %s --check-prefix=INFER-LENGTH |
| |
| # INFER-LENGTH: Hex dump of section '.debug_info': |
| # INFER-LENGTH-NEXT: 0x00000000 37000000 04000000 00000801 00000000 7............... |
| ## ^------- unit_length (0x37) |
| ## ^--- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev code (ULEB128) 0x01 |
| ## ^------- Form: DW_FORM_strp (4-byte) |
| # INFER-LENGTH-NEXT: 0x00000010 0c001600 00000000 00001e00 00002011 .............. . |
| ## ^--- Form: DW_FORM_data2 (2-byte) |
| ## ^-------- Form: DW_FORM_strp (4-byte) |
| ## ^-------- Form: DW_FORM_sec_offset (4-byte) |
| ## ^-------- Form: DW_FORM_strp (4-byte) |
| ## ^--- Form: DW_FORM_addr (8-byte) |
| # INFER-LENGTH-NEXT: 0x00000020 00000000 00003300 00000220 11000000 ......3.... .... |
| ## ------------- |
| ## ^-------- Form: DW_FORM_data4 (4-byte) |
| ## ^- abbrev code (ULEB128) 0x02 |
| ## ^---------- Form: DW_FORM_addr (8-byte) |
| # INFER-LENGTH-NEXT: 0x00000030 00000006 00000038 000000 .......8... |
| ## ------ |
| ## ^-------- Form: DW_FORM_data4 (4-byte) |
| ## ^-------- Form: DW_FORM_strp (4-byte) |
| |
| ## The handwritten DIEs should look like: |
| |
| ## 0x0000000b: DW_TAG_compile_unit [1] * |
| ## DW_AT_producer [DW_FORM_strp] ( .debug_str[0x00000000] = "clang version 10.0.0 ") |
| ## DW_AT_language [DW_FORM_data2] (DW_LANG_C99) |
| ## DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000016] = "hello.c") |
| ## DW_AT_stmt_list [DW_FORM_sec_offset] (0x00000000) |
| ## DW_AT_comp_dir [DW_FORM_strp] ( .debug_str[0x0000001e] = "/home/v/x/llvm/playground") |
| ## DW_AT_low_pc [DW_FORM_addr] (0x0000000000001120) |
| ## DW_AT_high_pc [DW_FORM_data4] (0x00000033) |
| ## |
| ## 0x0000002a: DW_TAG_subprogram [2] |
| ## DW_AT_low_pc [DW_FORM_addr] (0x0000000000001120) |
| ## DW_AT_high_pc [DW_FORM_data4] (0x00000006) |
| ## DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000038] = "main") |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_str: |
| - "clang version 10.0.0 " |
| - "hello.c" |
| - "/home/v/x/llvm/playground" |
| - "main" |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_yes |
| Attributes: |
| - Attribute: DW_AT_producer |
| Form: DW_FORM_strp |
| - Attribute: DW_AT_language |
| Form: DW_FORM_data2 |
| - Attribute: DW_AT_name |
| Form: DW_FORM_strp |
| - Attribute: DW_AT_stmt_list |
| Form: DW_FORM_sec_offset |
| - Attribute: DW_AT_comp_dir |
| Form: DW_FORM_strp |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_addr |
| - Attribute: DW_AT_high_pc |
| Form: DW_FORM_data4 |
| - Code: 2 |
| Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_addr |
| - Attribute: DW_AT_high_pc |
| Form: DW_FORM_data4 |
| - Attribute: DW_AT_name |
| Form: DW_FORM_strp |
| debug_info: |
| - Version: 4 |
| AbbrOffset: 0x00 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x00 ## DW_AT_producer [DW_FORM_strp] |
| - Value: 0x0c ## DW_LANG_C99, DW_AT_language [DW_FORM_data2] |
| - Value: 0x16 ## DW_AT_name [DW_FORM_strp] |
| - Value: 0x00 ## DW_AT_stmt_list [DW_FORM_sec_offset] |
| - Value: 0x1e ## DW_AT_comp_dir [DW_FORM_strp] |
| - Value: 0x1120 ## DW_AT_low_pc [DW_FORM_addr] |
| - Value: 0x33 ## DW_AT_high_pc [DW_FORM_data4] |
| - AbbrCode: 2 |
| Values: |
| - Value: 0x1120 ## DW_AT_low_pc [DW_FORM_addr] |
| - Value: 0x06 ## DW_AT_high_pc [DW_FORM_data4] |
| - Value: 0x38 ## DW_AT_name [DW_FORM_strp] |
| |
| ## l) Test that if we don't specify the 'Values' key for an entry, yaml2obj will only emit the abbrev_code. |
| |
| # RUN: yaml2obj --docnum=14 %s -o %t14.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t14.o | \ |
| # RUN: FileCheck %s --check-prefix=NO-VALUES |
| |
| # NO-VALUES: Hex dump of section '.debug_info': |
| # NO-VALUES-NEXT: 0x00000000 0a000000 04000000 00000801 0002 .............. |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev_code (ULEB128) 0x01 |
| ## ^- abbrev_code (ULEB128) 0x00 |
| ## ^- abbrev_code (ULEB128) 0x02 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_info: |
| - Version: 4 |
| AbbrOffset: 0x00 |
| Entries: |
| - AbbrCode: 1 |
| - AbbrCode: 0 |
| - AbbrCode: 2 |
| |
| ## m) Test that yaml2obj is able to infer the address size from the object file. |
| |
| # RUN: yaml2obj --docnum=15 -DBITS=64 %s -o %t15.64-bit.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t15.64-bit.o | \ |
| # RUN: FileCheck %s --check-prefix=ADDRSIZE -DADDRSIZE=08 |
| |
| # ADDRSIZE: Hex dump of section '.debug_info': |
| # ADDRSIZE-NEXT: 0x00000000 07000000 04000000 0000[[ADDRSIZE]] ........... |
| |
| # RUN: yaml2obj --docnum=15 -DBITS=32 %s -o %t15.32-bit.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t15.32-bit.o | \ |
| # RUN: FileCheck %s --check-prefix=ADDRSIZE -DADDRSIZE=04 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS[[BITS]] |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_info: |
| - Version: 4 |
| AbbrOffset: 0x00 |
| |
| ## n) Test that yaml2obj emits an error message when a compilation unit has values but there is no associated abbrev table. |
| |
| ## RUN: not yaml2obj --docnum=16 %s 2>&1 | FileCheck %s --check-prefix=NO-ABBREV |
| |
| # NO-ABBREV: yaml2obj: error: cannot find abbrev table whose ID is 0 for compilation unit with index 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| DWARF: |
| debug_info: |
| - Version: 4 |
| AbbrOffset: 0x00 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x1234 |
| |
| ## o) Test that yaml2obj is able to generate compilation units according to the |
| ## associated abbrev table that is referenced by the 'AbbrevTableID' and infer |
| ## the value of the debug_abbrev_offset field. |
| |
| # RUN: yaml2obj --docnum=17 %s -o %t17.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t17.o | FileCheck %s --check-prefix=MULTI-TABLES |
| |
| # MULTI-TABLES: Hex dump of section '.debug_info': |
| # MULTI-TABLES-NEXT: 0x00000000 0c000000 04000800 00000801 34120000 ............4... |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev_code (ULEB128) 0x01 |
| ## ^------- Form: DW_FORM_data4 (4-byte) 0x1234 |
| # MULTI-TABLES-NEXT: 0x00000010 0c000000 04000800 00000801 21430000 ............!C.. |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev_code (ULEB128) 0x01 |
| ## ^------- Form: DW_FORM_data4 (4-byte) 0x4321 |
| # MULTI-TABLES-NEXT: 0x00000020 10000000 04000000 00000801 78560000 ............xV.. |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev_code (ULEB128) 0x01 |
| ## ^------- Form: DW_FORM_addr (8-byte) 0x5678 |
| # MULTI-TABLES-NEXT: 0x00000030 00000000 0b000000 04001000 00000801 ................ |
| ## -------- |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| ## ^- abbrev_code (ULEB128) 0x01 |
| # MULTI-TABLES-NEXT: 0x00000040 e58e02 ... |
| ## ^----- Form: DW_FORM_udata (ULEB128) 0x8765 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_addr |
| - ID: 2 |
| Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_data4 |
| - ID: 1 |
| Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_udata |
| debug_info: |
| - Version: 4 |
| AbbrevTableID: 2 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x1234 |
| - Version: 4 |
| AbbrevTableID: 2 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x4321 |
| - Version: 4 |
| AbbrevTableID: 0 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x5678 |
| - Version: 4 |
| AbbrevTableID: 1 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x8765 |
| |
| ## p) Test that when the debug_abbrev_offset field isn't specified and there is no associated |
| ## abbrev table, yaml2obj will assign 0 to the debug_abbrev_offset field. |
| |
| # RUN: yaml2obj --docnum=18 %s -o %t18.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t18.o | FileCheck %s --check-prefix=ZERO-OFFSET |
| |
| # ZERO-OFFSET: Hex dump of section '.debug_info': |
| # ZERO-OFFSET-NEXT: 0x00000000 07000000 04000000 000008 ........... |
| ## ^------- unit_length (4-byte) |
| ## ^--- version (2-byte) |
| ## ^-------- debug_abbrev_offset (4-byte) |
| ## ^- address_size (1-byte) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_info: |
| - Version: 4 |
| AbbrevTableID: [[ABBREVID=<none>]] |
| |
| ## q) Test that when we assign an invalid 'AbbrevTableID' that doesn't point to an abbrev table, |
| ## yaml2obj will assign 0 to the debug_abbrev_offset field. |
| |
| # RUN: yaml2obj --docnum=18 -DABBREVID=2 %s -o %t18.o |
| # RUN: llvm-readelf --hex-dump=.debug_info %t18.o | FileCheck %s --check-prefix=ZERO-OFFSET |
