## Test that yaml2obj emits .debug_str section. ## a) Generate the .debug_str section from the "DWARF" entry. # RUN: yaml2obj --docnum=1 %s -o %t1.o # RUN: llvm-readelf --string-dump=.debug_str %t1.o | FileCheck %s --check-prefix=DWARF-DEFAULT # DWARF-DEFAULT: String dump of section '.debug_str': # DWARF-DEFAULT-NEXT: [ 0] a # DWARF-DEFAULT-NEXT: [ 2] b # DWARF-DEFAULT-NEXT: [ 4] c ## Check the default sh_type, sh_entsize, sh_info, sh_flags and sh_addralign of the ## .debug_str section header. # RUN: llvm-readelf -S %t1.o | FileCheck -DSIZE=000006 %s --check-prefix=SHDRS-DEFAULT # SHDRS-DEFAULT: Name Type Address Off Size ES Flg Lk Inf Al # SHDRS-DEFAULT: .debug_str PROGBITS 0000000000000000 000040 [[SIZE]] 01 MS 0 0 1 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC DWARF: debug_str: - a - b - c ## b) Generate the .debug_str section from the raw section content. # RUN: yaml2obj --docnum=2 %s -o %t2.o # RUN: llvm-readelf --string-dump=.debug_str %t2.o | FileCheck %s --check-prefix=DWARF-DEFAULT # RUN: llvm-readelf -S %t2.o | FileCheck %s --check-prefix=SHDRS # SHDRS: Name Type Address Off Size ES Flg Lk Inf Al # SHDRS: .debug_str PROGBITS 0000000000000000 000040 000006 01 MS 0 0 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_str Type: SHT_PROGBITS Content: "610062006300" ## c) Generate the .debug_str section when the "Size" is specified. # RUN: yaml2obj --docnum=3 %s -o %t3.o # RUN: llvm-readelf -S %t3.o | FileCheck %s --check-prefix=SIZE # RUN: llvm-readelf --hex-dump=.debug_str %t3.o | FileCheck %s --check-prefix=SIZE-CONTENT # SIZE: Name Type Address Off Size ES Flg Lk Inf Al # SIZE: .debug_str PROGBITS 0000000000000000 000040 000010 01 MS 0 0 0 # SIZE-CONTENT: Hex dump of section '.debug_str': # SIZE-CONTENT-NEXT: 0x00000000 00000000 00000000 00000000 00000000 ................ # SIZE-CONTENT-EMPTY: --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_str Type: SHT_PROGBITS Size: 0x10 ## d) Test that yaml2obj emits an error message when both the "Size" and the ## "debug_str" entry are specified at the same time. # RUN: not yaml2obj --docnum=4 %s -o %t4.o 2>&1 | FileCheck %s --check-prefix=ERROR # ERROR: yaml2obj: error: cannot specify section '.debug_str' 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_str Type: SHT_PROGBITS Size: 0x10 DWARF: debug_str: - a ## e) Test that yaml2obj emits an error message when both the "Content" and the ## "debug_str" entry are specified at the same time. # RUN: not yaml2obj --docnum=5 %s -o %t5.o 2>&1 | FileCheck %s --check-prefix=ERROR --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_str Type: SHT_PROGBITS Content: "6100" DWARF: debug_str: - a ## f) Test that all the properties can be overridden by the section header when ## the "debug_str" entry doesn't exist. # RUN: yaml2obj --docnum=6 %s -o %t6.o # RUN: llvm-readelf -S %t6.o | FileCheck %s --check-prefix=OVERRIDDEN # OVERRIDDEN: [Nr] Name Type Address Off Size ES Flg Lk Inf Al # OVERRIDDEN: [ 1] .sec STRTAB 0000000000000000 000040 000000 00 0 0 0 # OVERRIDDEN: [ 2] .debug_str STRTAB 0000000000002020 000050 000006 02 A 1 1 2 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .sec # Linked by .debug_str. Type: SHT_STRTAB - Name: .debug_str Type: SHT_STRTAB # SHT_PROGBITS by default. Flags: [SHF_ALLOC] # [SHF_STRINGS, SHF_MERGE] by default. Link: .sec # 0 by default. EntSize: 2 # 1 by default. Info: 1 # 0 by default. AddressAlign: 2 # 0 by default. Address: 0x0000000000002020 # 0x00 by default. Offset: 0x00000050 # 0x40 for the first section. Size: 6 # Set the "Size" so that we can reuse the check tag "OVERRIDDEN" ## g) Test that all the properties can be overridden by the section header when ## the "debug_str" entry is used. # RUN: yaml2obj --docnum=7 %s -o %t7.o # RUN: llvm-readelf --string-dump=.debug_str %t7.o | FileCheck %s --check-prefix=DWARF-DEFAULT # RUN: llvm-readelf -S %t7.o | FileCheck %s --check-prefix=OVERRIDDEN --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .sec # Linked by .debug_str. Type: SHT_STRTAB - Name: .debug_str Type: SHT_STRTAB # SHT_PROGBITS by default. Flags: [SHF_ALLOC] # [SHF_STRINGS, SHF_MERGE] by default. Link: .sec # 0 by default. EntSize: 2 # 1 by default. Info: 1 # 0 by default. AddressAlign: 2 # 1 by default. Address: 0x0000000000002020 # 0x00 by default. Offset: 0x00000050 # 0x40 for the first section. DWARF: debug_str: - a - b - c ## h) Test that if we try to initialize the .debug_str section with a "Type" with non-standard ## syntax, e.g., SHT_DYNAMIC, yaml2obj will treat it as a dynamic section and discard the ## content in the "DWARF" entry. # RUN: yaml2obj --docnum=8 %s -o %t8.o # RUN: llvm-readelf -S %t8.o | FileCheck %s --check-prefix=DYN-SHDR # RUN: llvm-readelf -d %t8.o | FileCheck %s --check-prefix=DYNAMIC # RUN: yaml2obj --docnum=9 %s -o %t9.o # RUN: llvm-readelf -S %t9.o | FileCheck %s --check-prefix=DYN-SHDR # RUN: llvm-readelf -d %t9.o | FileCheck %s --check-prefix=DYNAMIC # DYN-SHDR: Name Type Address Off Size ES Flg Lk Inf Al # DYN-SHDR: .debug_str DYNAMIC 0000000000000000 000040 000010 10 0 0 0 # DYNAMIC: Dynamic section at offset 0x40 contains 1 entries: # DYNAMIC-NEXT: Tag Type Name/Value # DYNAMIC-NEXT: 0x0000000000000000 (NULL) 0x0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_str Type: SHT_DYNAMIC Entries: - Tag: DT_NULL Value: 0 --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC Sections: - Name: .debug_str Type: SHT_DYNAMIC Entries: - Tag: DT_NULL Value: 0 DWARF: debug_str: - a ## i) Test that the .debug_str section header is emitted if the "debug_str" ## entry is empty. # RUN: yaml2obj --docnum=10 %s -o %t10.o # RUN: llvm-readelf -S %t10.o | FileCheck -DSIZE=000000 %s --check-prefix=SHDRS-DEFAULT --- !ELF FileHeader: Class: ELFCLASS64 Data: ELFDATA2LSB Type: ET_EXEC DWARF: debug_str: []