## Test that yaml2obj emits .debug_gnu_pubnames section. ## a) Generate the '.debug_gnu_pubnames' section from the 'DWARF' entry. ## Generate and verify a 32-bit little endian .debug_gnu_pubnames section. # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2LSB %s -o %t1.le.o # RUN: llvm-readobj --sections --section-data %t1.le.o | \ # RUN: FileCheck -DSIZE=32 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-LE # SHDR: Index: 1 # SHDR-NEXT: Name: .debug_gnu_pubnames (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 # DWARF32-LE-NEXT: SectionData ( # DWARF32-LE-NEXT: 0000: 34120000 02003412 00002143 00007856 |4.....4...!C..xV| ## ^------- unit_length (4-byte) ## ^--- version (2-byte) ## ^-------- debug_info_offset (4-byte) ## ^-------- debug_info_length (4-byte) ## ^--- offset (4-byte) # DWARF32-LE-NEXT: 0010: 34123061 62630021 43658730 64656600 |4.0abc.!Ce.0def.| ## ---- ## ^- descriptor (1-byte) ## ^-------- name "abc\0" ## ^-------- offset (4-byte) ## ^- descriptor (1-byte) ## ^------- name "def\0" # DWARF32-LE-NEXT: ) --- !ELF FileHeader: Class: ELFCLASS64 Data: [[ENDIAN]] Type: ET_EXEC DWARF: debug_gnu_pubnames: Length: 0x1234 Version: 2 UnitOffset: 0x1234 UnitSize: 0x4321 Entries: - DieOffset: 0x12345678 Descriptor: 0x30 Name: abc - DieOffset: 0x87654321 Descriptor: 0x30 Name: def ## Generate and verify a 32-bit big endian .debug_gnu_pubnames section. # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2MSB %s -o %t1.be.o # RUN: llvm-readobj --sections --section-data %t1.be.o | \ # RUN: FileCheck -DSIZE=32 -DADDRALIGN=1 %s --check-prefixes=SHDR,DWARF32-BE # DWARF32-BE-NEXT: SectionData ( # DWARF32-BE-NEXT: 0000: 00001234 00020000 12340000 43211234 |...4.....4..C!.4| ## ^------- unit_length (4-byte) ## ^--- version (2-byte) ## ^-------- debug_info_offset (4-byte) ## ^-------- debug_info_length (4-byte) ## ^--- offset (4-byte) # DWARF32-BE-NEXT: 0010: 56783061 62630087 65432130 64656600 |Vx0abc..eC!0def.| ## ---- ## ^- descriptor (1-byte) ## ^-------- name "abc\0" ## ^-------- offset (4-byte) ## ^- descriptor (1-byte) ## ^------- name "def\0" # DWARF32-BE-NEXT: ) ## b) Generate the .debug_gnu_pubnames section from raw section content. # RUN: yaml2obj --docnum=2 %s -o %t2.o # RUN: llvm-readobj --sections --section-data %t2.o | \ # RUN: FileCheck %s -DADDRALIGN=0 -DSIZE=3 --check-prefixes=SHDR,ARBITRARY-CONTENT # ARBITRARY-CONTENT: SectionData ( # ARBITRARY-CONTENT-NEXT: 0000: 112233 # ARBITRARY-CONTENT-NEXT: ) --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_gnu_pubnames Type: SHT_PROGBITS Content: "112233" ## c) Generate the .debug_gnu_pubnames 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: SectionData ( # SIZE-NEXT: 0000: 00000000 00000000 00000000 00000000 |................| # SIZE-NEXT: ) --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_gnu_pubnames Type: SHT_PROGBITS Size: 0x10 ## d) Test that yaml2obj emits an error message when both the "Size" and the ## "debug_gnu_pubnames" 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_gnu_pubnames' 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_gnu_pubnames Type: SHT_PROGBITS Size: 0x10 DWARF: debug_gnu_pubnames: Length: 0x1234 Version: 2 UnitOffset: 0x1234 UnitSize: 0x4321 Entries: [] ## e) Test that yaml2obj emits an error message when both the "Content" and the ## "debug_gnu_pubnames" 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_gnu_pubnames Type: SHT_PROGBITS Content: "00" DWARF: debug_gnu_pubnames: Length: 0x1234 Version: 2 UnitOffset: 0x1234 UnitSize: 0x4321 Entries: [] ## f) Test that all the properties can be overridden by the section header when ## the "debug_gnu_pubnames" 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_gnu_pubnames STRTAB 0000000000002020 000050 00000e 01 A 2 1 2 # OVERRIDDEN-NEXT: [ 2] .sec STRTAB 0000000000000000 00005e 000000 00 0 0 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_gnu_pubnames 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: 0x0e ## Set the "Size" so that we can reuse the check tag "OVERRIDDEN". - Name: .sec ## Linked by .debug_gnu_pubnames. Type: SHT_STRTAB ## g) Test that all the properties can be overridden by the section header when ## the "debug_gnu_pubnames" 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_gnu_pubnames 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_gnu_pubnames. Type: SHT_STRTAB DWARF: debug_gnu_pubnames: Length: 0x1234 Version: 2 UnitOffset: 0x1234 UnitSize: 0x4321 Entries: [] ## h) Test that yaml2obj emits an error if 'Descriptor' is missing. # RUN: not yaml2obj --docnum=8 %s -o %t8.o 2>&1 | FileCheck %s --check-prefix=MISSING-KEY --ignore-case # MISSING-KEY: YAML:{{.*}}:9: error: missing required key 'Descriptor' # MISSING-KEY-NEXT: - DieOffset: 0x12345678 # MISSING-KEY-NEXT: ^ # MISSING-KEY-NEXT: yaml2obj: error: failed to parse YAML input: Invalid argument --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC DWARF: debug_gnu_pubnames: Length: 0x1234 Version: 2 UnitOffset: 0x1234 UnitSize: 0x4321 Entries: - DieOffset: 0x12345678 Name: abc