| ## Test that yaml2obj emits .debug_abbrev section. |
| |
| ## a) Generate the .debug_abbrev section from the "DWARF" entry. |
| |
| # RUN: yaml2obj --docnum=1 %s -o %t1.o |
| # RUN: llvm-readobj --sections --section-data %t1.o | \ |
| # RUN: FileCheck -DSIZE=59 -DADDRALIGN=1 %s --check-prefixes=SHDR,CONTENT |
| |
| # SHDR: Index: 1 |
| # SHDR-NEXT: Name: .debug_abbrev (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 |
| # CONTENT-NEXT: SectionData ( |
| # CONTENT-NEXT: 000: 01110125 0E130503 |
| ## ^- abbreviation code ULEB128 ^- DW_FORM_strp ULEB128 |
| ## ^- DW_TAG_compile_unit ULEB128 ^- DW_AT_language ULEB128 |
| ## ^- DW_CHILDREN_yes 1-byte ^- DW_FORM_data2 ULEB128 |
| ## ^- DW_AT_producer ULEB128 ^- DW_AT_name ULEB128 |
| ## |
| ## CONTENT: 1A000002 2E011101 |...%............| |
| ## ^- DW_AT_strx ULEB128 ^- DW_TAG_subprogram ULEB128 |
| ## ^--- attr terminator ^- DW_CHILDREN_yes 1-byte |
| ## ^- abbreviation code ULEB128 ^- DW_AT_low_pc ULEB128 |
| ## ^- DW_FORM_addr ULEB128 |
| ## |
| # CONTENT-NEXT: 0010: 121B0000 03060081 |
| ## ^- DW_AT_high_pc ULEB128 ^- abbreviation code ULEB128 |
| ## ^- DW_FORM_addrx ULEB128 ^- Tag: value UELB128 |
| ## ^--- attr terminator ^- DW_CHILDREN_no 1-byte |
| ## ^- DW_AT_call_pc ULEB128 (0x81) |
| ## |
| # CONTENT: 01810104 02A04021 |..............@!| |
| ## -- ^- Form: reserved ULEB128 |
| ## ^--- Form: invalid ULEB128 (0x81) ^--- Attribute: reserved ULEB128 (0x2020) |
| ## ^- Attribute: reserved ULEB128 ^- DW_FORM_implicit_const ULEB128 |
| ## |
| # CONTENT-NEXT: 0020: CEC2F105 00000001 |
| ## ^------- Value SLEB128 (12345678) ^--- attr terminator |
| ## ^- abbrev terminator |
| ## ^- abbreviation code ULEB128 |
| # CONTENT: 1101250E 0000022E |..........%.....| |
| ## ^- DW_TAG_compile_unit ULEB128 ^--- attr terminator |
| ## ^- DW_CHILDREN_yes 1-byte ^- abbreviation code ULEB128 |
| ## ^- DW_AT_producer ULEB128 ^- DW_TAG_subprogram ULEB128 |
| ## ^- DW_FORM_strp ULEB128 |
| # CONTENT-NEXT: 0030: 01110100 00031100 000000 |...........| |
| ## ^- DW_CHILDREN_yes 1-byte ^--- attr terminator |
| ## ^- DW_AT_low_pc ULEB128 ^- abbrev table terminator |
| ## ^- DW_FORM_addr UELB128 |
| ## ^---- attr terminator |
| ## ^- abbrev code ULEB128 (0x03) |
| ## ^- DW_TAG_compile_unit |
| ## ^- DW_CHILDREN_no |
| # CONTENT-NEXT: ) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| 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_strx |
| - Code: 2 |
| Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_yes |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_addr |
| - Attribute: DW_AT_high_pc |
| Form: DW_FORM_addrx |
| - Code: 3 |
| ## Test a reserved tag value. |
| Tag: 0x06 |
| Children: DW_CHILDREN_no |
| Attributes: |
| ## Test an attribute value that is more than one byte. |
| - Attribute: DW_AT_call_pc |
| ## Test a form value that is more than one byte. |
| Form: 0x81 |
| ## Test a reserved attribute value. |
| - Attribute: 0x04 |
| ## Test a reserved form value. |
| Form: 0x02 |
| - Attribute: 0x2020 |
| ## Test one special attribute form DW_FORM_implicit_const, |
| ## who is followed by a SLEB128 value. |
| Form: DW_FORM_implicit_const |
| Value: 12345678 |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_yes |
| Attributes: |
| - Attribute: DW_AT_producer |
| Form: DW_FORM_strp |
| - Code: 2 |
| Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_yes |
| Attributes: |
| - Attribute: DW_AT_low_pc |
| Form: DW_FORM_addr |
| ## Test that if the 'Attributes' field is not specified, yaml2obj emits |
| ## a terminating entry, 0 for the attribute, 0 for the form. |
| - Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| |
| ## b) Generate the .debug_abbrev section from raw section content. |
| |
| # RUN: yaml2obj --docnum=2 %s -o %t2.o |
| # RUN: llvm-readobj --sections --section-data %t2.o | \ |
| # RUN: FileCheck -DADDRALIGN=0 -DSIZE=3 %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_abbrev |
| Type: SHT_PROGBITS |
| Content: "112233" |
| |
| ## c) Generate the .debug_abbrev section when the "Size" is specified. |
| |
| # RUN: yaml2obj --docnum=3 %s -o %t3.o |
| # RUN: llvm-readobj --sections --section-data %t3.o | \ |
| # RUN: FileCheck -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_abbrev |
| Type: SHT_PROGBITS |
| Size: 0x10 |
| |
| ## d) Test that yaml2obj emits an error message when both the "Size" and the |
| ## "debug_abbrev" 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_abbrev' 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_abbrev |
| Type: SHT_PROGBITS |
| Size: 0x10 |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| |
| ## e) Test that yaml2obj emits an error message when both the "Content" and the |
| ## "debug_abbrev" 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_abbrev |
| Type: SHT_PROGBITS |
| Content: "00" |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| |
| ## f) Test that all the properties can be overridden by the section header when |
| ## the "debug_abbrev" 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_abbrev STRTAB 0000000000002020 000050 000006 01 A 2 1 2 |
| # OVERRIDDEN-NEXT: [ 2] .sec STRTAB 0000000000000000 000056 000000 00 0 0 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Sections: |
| - Name: .debug_abbrev |
| 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: 0x06 ## Set the "Size" so that we can reuse the check tag "OVERRIDDEN". |
| - Name: .sec ## Linked by .debug_abbrev. |
| Type: SHT_STRTAB |
| |
| ## g) Test that all the properties can be overridden by the section header when |
| ## the "debug_abbrev" 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_abbrev |
| 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_abbrev. |
| Type: SHT_STRTAB |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Code: 1 |
| Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| |
| ## h) Test that yaml2obj automatically generates abbreviation codes for us. |
| |
| # RUN: yaml2obj --docnum=8 %s -o %t8.o |
| # RUN: llvm-readelf --hex-dump=.debug_abbrev %t8.o | FileCheck %s --check-prefix=CODE |
| |
| # CODE: 0x00000000 01110000 00022e00 0000042e 00000004 |
| ## ^- abbreviation code ULEB128 |
| ## ^- abbreviation code ULEB128 |
| ## ^- abbreviation code (ULEB128) 0x04 |
| ## ^- abbreviation code (ULEB128) 0x04 |
| ## |
| # CODE-NEXT: 0x00000010 2e000000 052e0000 00062e00 00000001 |
| ## ^- abbreviation code ULEB128 |
| ## ^- abbreviation code ULEB128 |
| ## ^- abbreviation code ULEB128 |
| # CODE-NEXT: 0x00000020 11000000 022e0000 0000 |
| ## ^- abbreviation code ULEB128 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_abbrev: |
| - Table: |
| - Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| - Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| - Code: 4 |
| Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| - Code: 4 |
| Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| - Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| - Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| - Table: |
| ## Test that the abbrev codes in a new table start from 1 by default. |
| - Tag: DW_TAG_compile_unit |
| Children: DW_CHILDREN_no |
| - Tag: DW_TAG_subprogram |
| Children: DW_CHILDREN_no |
| |
| ## i) Test that yaml2obj emits an error message when there are non-empty compilation units |
| ## and multiple abbrev tables are assigned the same ID. |
| |
| ## RUN: not yaml2obj --docnum=9 %s 2>&1 | FileCheck %s --check-prefix=ID-COLLISION |
| |
| # ID-COLLISION: yaml2obj: error: the ID (1) of abbrev table with index 1 has been used by abbrev table with index 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Machine: EM_X86_64 |
| DWARF: |
| debug_abbrev: |
| - ID: 1 |
| - ID: 1 |
| debug_info: |
| - Version: 4 |
| AbbrOffset: 0x00 |
| Entries: |
| - AbbrCode: 1 |
| Values: |
| - Value: 0x1234 |
