| ## Test that yaml2obj emits .debug_ranges section. |
| |
| ## a) Generate the .debug_ranges section from the "DWARF" entry. |
| |
| ## Generate and verify a little endian .debug_ranges section. |
| |
| # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2LSB %s -o %t.le.o |
| # RUN: llvm-readobj --sections --section-data %t.le.o | \ |
| # RUN: FileCheck %s -DSIZE=120 -DADDRALIGN=1 --check-prefixes=DWARF-HEADER,DWARF-LE-CONTENT |
| |
| # DWARF-HEADER: Index: 1 |
| # DWARF-HEADER-NEXT: Name: .debug_ranges (1) |
| # DWARF-HEADER-NEXT: Type: SHT_PROGBITS (0x1) |
| # DWARF-HEADER-NEXT: Flags [ (0x0) |
| # DWARF-HEADER-NEXT: ] |
| # DWARF-HEADER-NEXT: Address: 0x0 |
| # DWARF-HEADER-NEXT: Offset: 0x40 |
| # DWARF-HEADER-NEXT: Size: [[SIZE]] |
| # DWARF-HEADER-NEXT: Link: 0 |
| # DWARF-HEADER-NEXT: Info: 0 |
| # DWARF-HEADER-NEXT: AddressAlignment: [[ADDRALIGN]] |
| # DWARF-HEADER-NEXT: EntrySize: 0 |
| # DWARF-LE-CONTENT-NEXT: SectionData ( |
| # DWARF-LE-CONTENT-NEXT: 0000: 10000000 20000000 30000000 40000000 |
| ## | | | | |
| ## | | | +------- HighOffset (4-byte) 0x40 |
| ## | | +------- LowOffset (4-byte) 0x30 |
| ## | +------- HighOffset (4-byte) 0x20 |
| ## +------- LowOffset (4-byte) 0x10 |
| ## |
| # DWARF-LE-CONTENT-NEXT: 0010: FFFFFFFF 10000000 00000000 00000000 |
| ## | | | | |
| ## | | | +------- HighOffset (4-byte) 0x00 |
| ## | | +------- LowOffset (4-byte) 0x00 |
| ## | +------- Base Address (4-byte) 0x10 |
| ## +------- Base Address Entry (4-byte) UINT32_MAX |
| ## |
| # DWARF-LE-CONTENT-NEXT: 0020: 00000000 00000000 10000000 00000000 |
| ## | | |
| ## | +---------------- LowOffset (8-byte) 0x10 |
| ## +---------------- Terminating Entry (8-byte) |
| ## |
| # DWARF-LE-CONTENT-NEXT: 0030: 20000000 00000000 30000000 00000000 |
| ## | | |
| ## | +---------------- LowOffset (8-byte) 0x30 |
| ## +---------------- HighOffset (8-byte) 0x20 |
| ## |
| # DWARF-LE-CONTENT-NEXT: 0040: 40000000 00000000 FFFFFFFF FFFFFFFF |
| ## | | |
| ## | +---------------- Base Address Entry (8-byte) UINT64_MAX |
| ## +---------------- HighOffset (8-byte) 0x40 |
| ## |
| # DWARF-LE-CONTENT-NEXT: 0050: 10000000 00000000 00000000 00000000 |
| ## | | |
| ## | +---------------- LowOffset (8-byte) 0x00 |
| ## +---------------- Base Address (8-byte) 0x10 |
| ## |
| # DWARF-LE-CONTENT-NEXT: 0060: 00000000 00000000 00000000 00000000 |
| ## | | |
| ## | +---------------- Terminating Entry (16-byte) |
| ## +---------------- HighOffset (8-byte) 0x00 |
| ## |
| # DWARF-LE-CONTENT-NEXT: 0070: 00000000 00000000 |
| ## | |
| ## +---------------- Terminating Entry (lower 8-byte) |
| ## |
| # DWARF-LE-CONTENT-NEXT: ) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: [[ENDIAN]] |
| Type: ET_EXEC |
| DWARF: |
| debug_ranges: |
| - AddrSize: 0x04 |
| Entries: |
| - LowOffset: 0x00000010 |
| HighOffset: 0x00000020 |
| - LowOffset: 0x00000030 |
| HighOffset: 0x00000040 |
| - LowOffset: 0xffffffff |
| HighOffset: 0x00000010 |
| - LowOffset: 0x00000000 |
| HighOffset: 0x00000000 |
| - Entries: |
| - LowOffset: 0x0000000000000010 |
| HighOffset: 0x0000000000000020 |
| - LowOffset: 0x0000000000000030 |
| HighOffset: 0x0000000000000040 |
| - LowOffset: 0xffffffffffffffff |
| HighOffset: 0x0000000000000010 |
| - LowOffset: 0x0000000000000000 |
| HighOffset: 0x0000000000000000 |
| |
| ## Generate and verify a big endian .debug_ranges section. |
| |
| # RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2MSB %s -o %t.be.o |
| # RUN: llvm-readobj --sections --section-data %t.be.o | \ |
| # RUN: FileCheck %s -DSIZE=120 -DADDRALIGN=1 --check-prefixes=DWARF-HEADER,DWARF-BE-CONTENT |
| |
| # DWARF-BE-CONTENT-NEXT: SectionData ( |
| # DWARF-BE-CONTENT-NEXT: 0000: 00000010 00000020 00000030 00000040 |
| ## | | | | |
| ## | | | +------- HighOffset (4-byte) 0x40 |
| ## | | +------- LowOffset (4-byte) 0x30 |
| ## | +------- HighOffset (4-byte) 0x20 |
| ## +------- LowOffset (4-byte) 0x10 |
| ## |
| # DWARF-BE-CONTENT-NEXT: 0010: FFFFFFFF 00000010 00000000 00000000 |
| ## | | | | |
| ## | | | +------- HighOffset (4-byte) 0x00 |
| ## | | +------- LowOffset (4-byte) 0x00 |
| ## | +------- Base Address (4-byte) 0x10 |
| ## +------- Base Address Entry (4-byte) UINT32_MAX |
| ## |
| # DWARF-BE-CONTENT-NEXT: 0020: 00000000 00000000 00000000 00000010 |
| ## | | |
| ## | +---------------- LowOffset (8-byte) 0x10 |
| ## +---------------- Terminating Entry (8-byte) |
| ## |
| # DWARF-BE-CONTENT-NEXT: 0030: 00000000 00000020 00000000 00000030 |
| ## | | |
| ## | +---------------- LowOffset (8-byte) 0x30 |
| ## +---------------- HighOffset (8-byte) 0x20 |
| ## |
| # DWARF-BE-CONTENT-NEXT: 0040: 00000000 00000040 FFFFFFFF FFFFFFFF |
| ## | | |
| ## | +---------------- Base Address Entry (8-byte) UINT64_MAX |
| ## +---------------- HighOffset (8-byte) 0x40 |
| ## |
| # DWARF-BE-CONTENT-NEXT: 0050: 00000000 00000010 00000000 00000000 |
| ## | | |
| ## | +---------------- LowOffset (8-byte) 0x00 |
| ## +---------------- Base Address (8-byte) 0x10 |
| ## |
| # DWARF-BE-CONTENT-NEXT: 0060: 00000000 00000000 00000000 00000000 |
| ## | | |
| ## | +---------------- Terminating Entry (16-byte) |
| ## +---------------- HighOffset (8-byte) 0x00 |
| ## |
| # DWARF-BE-CONTENT-NEXT: 0070: 00000000 00000000 |
| ## | |
| ## +---------------- Terminating Entry (lower 8-byte) |
| ## |
| # DWARF-BE-CONTENT-NEXT: ) |
| |
| ## b) Generate the .debug_ranges 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=DWARF-HEADER,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_ranges |
| Type: SHT_PROGBITS |
| Content: "112233" |
| |
| ## c) Generate the .debug_ranges section when the "Size" is specified. |
| |
| # RUN: yaml2obj --docnum=3 %s -o %t3.o |
| # RUN: llvm-readobj --hex-dump=.debug_ranges %t3.o | FileCheck %s --check-prefix=SIZE |
| |
| # SIZE: Hex dump of section '.debug_ranges': |
| # SIZE-NEXT: 0x00000000 00000000 00000000 00000000 00000000 ................ |
| # SIZE-EMPTY: |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Sections: |
| - Name: .debug_ranges |
| Type: SHT_PROGBITS |
| Size: 0x10 |
| |
| ## d) Test that yaml2obj emits an error message when both the "Size" and the |
| ## "debug_ranges" 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_ranges' 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_ranges |
| Type: SHT_PROGBITS |
| Size: 0x10 |
| DWARF: |
| debug_ranges: |
| - Entries: |
| - LowOffset: 0x0000000000000001 |
| HighOffset: 0x0000000000000002 |
| |
| ## e) Test that yaml2obj emits an error message when both the "Content" and the |
| ## "debug_ranges" 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_ranges |
| Type: SHT_PROGBITS |
| Content: "00" |
| DWARF: |
| debug_ranges: |
| - Entries: |
| - LowOffset: 0x0000000000000001 |
| HighOffset: 0x0000000000000002 |
| |
| ## f) Test that all the properties can be overridden by the section header when |
| ## the "debug_ranges" 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_ranges STRTAB 0000000000002020 000050 000020 01 A 2 1 2 |
| # OVERRIDDEN-NEXT: [ 2] .sec STRTAB 0000000000000000 000070 000000 00 0 0 0 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| Sections: |
| - Name: .debug_ranges |
| 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: 0x20 # Set the "Size" so that we can reuse the check tag "OVERRIDDEN". |
| - Name: .sec # Linked by .debug_ranges. |
| Type: SHT_STRTAB |
| |
| ## g) Test that all the properties can be overridden by the section header when |
| ## the "debug_ranges" 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_ranges |
| 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_ranges. |
| Type: SHT_STRTAB |
| DWARF: |
| debug_ranges: |
| - Entries: |
| - LowOffset: 0x0000000000000001 |
| HighOffset: 0x0000000000000002 |
| |
| ## h) Test that yaml2obj automatically pads zeros if we try to assign an offset that |
| ## is greater than or equal to the number of bytes written already. |
| |
| # RUN: yaml2obj --docnum=8 %s -o %t8.o |
| # RUN: llvm-readelf --hex-dump=.debug_ranges %t8.o | FileCheck %s --check-prefix=PADDED |
| |
| # PADDED: Hex dump of section '.debug_ranges': |
| # PADDED-NEXT: 0x00000000 01000000 00000000 02000000 00000000 |
| ## | | |
| ## | +---------------- HighOffset (8-byte) 0x02 |
| ## +---------------- LowOffset (8-byte) 0x01 |
| ## |
| # PADDED-NEXT: 0x00000010 00000000 00000000 00000000 00000000 |
| ## | |
| ## +---------------------------------- Terminating Entry (16-byte) 0x00 |
| ## |
| # PADDED-NEXT: 0x00000020 00010000 00000000 00020000 00000000 |
| ## | | | |
| ## | | +------------- HighOffset (8-byte) 0x02 |
| ## | +----------------- LowOffset (8-byte) 0x01 |
| ## +- Padded zeros (1-byte) 0x00 |
| ## |
| # PADDED-NEXT: 0x00000030 00000000 00000000 00000000 00000000 |
| ## | | |
| ## | +-------------------------------- Terminating Entry (16-byte) 0x00 |
| ## +- higher byte(s) of HighOffset |
| ## |
| # PADDED-NEXT: 0x00000040 00010000 00000000 00020000 00000000 |
| ## | | | |
| ## | | +-------------- HighOffset (8-byte) 0x02 |
| ## | +----------------- LowOffset (8-byte) 0x01 |
| ## +- the last byte of terminating entry. |
| ## |
| # PADDED-NEXT: 0x00000050 00000000 00000000 00000000 00000000 |
| ## | | |
| ## | +-------------------------------- Terminating Entry (16-byte) 0x00 |
| ## +- higher byte(s) of HighOffset |
| ## |
| # PADDED-NEXT: 0x00000060 00 |
| ## | |
| ## +- the last byte of terminating entry. |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_ranges: |
| - Entries: |
| - LowOffset: 0x01 |
| HighOffset: 0x02 |
| - Offset: 0x21 ## There are 0x20 bytes before this entry. |
| Entries: |
| - LowOffset: 0x01 |
| HighOffset: 0x02 |
| - Offset: 0x41 ## There are 0x41 bytes before this entry. |
| Entries: |
| - LowOffset: 0x01 |
| HighOffset: 0x02 |
| |
| ## i) Test that yaml2obj emits an error message if we try to assign an invalid offset to an |
| ## entry of the '.debug_ranges' section. |
| |
| # RUN: not yaml2obj --docnum=9 %s -o %t9.o 2>&1 | FileCheck %s --check-prefix=INVALID-OFFSET |
| |
| # INVALID-OFFSET: yaml2obj: error: 'Offset' for 'debug_ranges' with index 1 must be greater than or equal to the number of bytes written already (0x20) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_ranges: |
| - Entries: |
| - LowOffset: 0x01 |
| HighOffset: 0x02 |
| - Offset: 0x1F ## Must be greater than or equal to 0x20. |
| Entries: |
| - LowOffset: 0x01 |
| HighOffset: 0x02 |
| |
| ## j) Test that yaml2obj still generates a .debug_ranges section if we assign an invalid value |
| ## to 'AddrSize' when the 'Entries' list is empty. |
| |
| # RUN: yaml2obj --docnum=10 %s -o %t10.o |
| # RUN: llvm-readelf --hex-dump=.debug_ranges %t10.o | \ |
| # RUN: FileCheck %s --check-prefix=ADDRSIZE |
| |
| # ADDRSIZE: Hex dump of section '.debug_ranges': |
| # ADDRSIZE-NEXT: 0x00000000 00000000 00000000 00000000 0000 |
| ## ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ terminating entry (2*AddrSize=14-byte) |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_ranges: |
| - AddrSize: 0x07 |
| Entries: [] |
| |
| ## k) Test that yaml2obj emits an error message if we try to assign an invalid value to |
| ## 'AddrSize' when the 'Entries' list isn't empty. |
| |
| # RUN: not yaml2obj --docnum=11 %s 2>&1 | \ |
| # RUN: FileCheck %s --check-prefix=INVALID-SIZE |
| |
| # INVALID-SIZE: yaml2obj: error: unable to write debug_ranges address offset: invalid integer write size: 7 |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_ranges: |
| - AddrSize: 0x07 |
| Entries: |
| - LowOffset: 0x1234 |
| HighOffset: 0x5678 |
| |
| ## l) Test that the .debug_ranges section header is emitted if the "debug_ranges" |
| ## entry is empty. |
| |
| # RUN: yaml2obj --docnum=12 %s -o %t12.o |
| # RUN: llvm-readobj -S %t12.o | FileCheck -DSIZE=0 -DADDRALIGN=1 %s --check-prefix=DWARF-HEADER |
| |
| --- !ELF |
| FileHeader: |
| Class: ELFCLASS64 |
| Data: ELFDATA2LSB |
| Type: ET_EXEC |
| DWARF: |
| debug_ranges: [] |
