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[ObjectYAML][DWARF] Support emitting .debug_ranges section in ELFYAML.
This patch enables yaml2elf to emit the .debug_ranges section. Reviewed By: jhenderson Differential Revision: https://reviews.llvm.org/D81217
This commit is contained in:
Xing GUO
parent
a7a8160485
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897dc4d341
@ -28,6 +28,8 @@ SetVector<StringRef> DWARFYAML::Data::getUsedSectionNames() const {
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SecNames.insert("debug_str");
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if (!ARanges.empty())
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SecNames.insert("debug_aranges");
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if (!DebugRanges.empty())
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SecNames.insert("debug_ranges");
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return SecNames;
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}
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@ -852,6 +852,8 @@ uint64_t emitDWARF(typename ELFT::Shdr &SHeader, StringRef Name,
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DWARFYAML::EmitDebugStr(OS, DWARF);
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else if (Name == ".debug_aranges")
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DWARFYAML::EmitDebugAranges(OS, DWARF);
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else if (Name == ".debug_ranges")
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DWARFYAML::EmitDebugRanges(OS, DWARF);
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else
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llvm_unreachable("unexpected emitDWARF() call");
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315
test/tools/yaml2obj/ELF/DWARF/debug-ranges.yaml
Normal file
315
test/tools/yaml2obj/ELF/DWARF/debug-ranges.yaml
Normal file
@ -0,0 +1,315 @@
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## Test that yaml2obj emits .debug_ranges section.
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## a) Generate the .debug_ranges section from the "DWARF" entry.
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## Generate and verify a little endian .debug_ranges section.
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# RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2LSB %s -o %t.le.o
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# RUN: llvm-readobj --sections --section-data %t.le.o | \
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# RUN: FileCheck %s -DSIZE=120 -DADDRALIGN=1 --check-prefixes=DWARF-HEADER,DWARF-LE-CONTENT
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# DWARF-HEADER: Index: 1
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# DWARF-HEADER-NEXT: Name: .debug_ranges (1)
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# DWARF-HEADER-NEXT: Type: SHT_PROGBITS (0x1)
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# DWARF-HEADER-NEXT: Flags [ (0x0)
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# DWARF-HEADER-NEXT: ]
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# DWARF-HEADER-NEXT: Address: 0x0
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# DWARF-HEADER-NEXT: Offset: 0x40
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# DWARF-HEADER-NEXT: Size: [[SIZE]]
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# DWARF-HEADER-NEXT: Link: 0
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# DWARF-HEADER-NEXT: Info: 0
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# DWARF-HEADER-NEXT: AddressAlignment: [[ADDRALIGN]]
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# DWARF-HEADER-NEXT: EntrySize: 0
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# DWARF-LE-CONTENT-NEXT: SectionData (
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# DWARF-LE-CONTENT-NEXT: 0000: 10000000 20000000 30000000 40000000
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## | | | |
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## | | | +------- HighOffset (4-byte) 0x40
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## | | +------- LowOffset (4-byte) 0x30
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## | +------- HighOffset (4-byte) 0x20
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## +------- LowOffset (4-byte) 0x10
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##
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# DWARF-LE-CONTENT-NEXT: 0010: FFFFFFFF 10000000 00000000 00000000
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## | | | |
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## | | | +------- HighOffset (4-byte) 0x00
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## | | +------- LowOffset (4-byte) 0x00
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## | +------- Base Address (4-byte) 0x10
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## +------- Base Address Entry (4-byte) UINT32_MAX
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##
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# DWARF-LE-CONTENT-NEXT: 0020: 00000000 00000000 10000000 00000000
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## | |
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## | +---------------- LowOffset (8-byte) 0x10
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## +---------------- Terminating Entry (8-byte)
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##
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# DWARF-LE-CONTENT-NEXT: 0030: 20000000 00000000 30000000 00000000
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## | |
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## | +---------------- LowOffset (8-byte) 0x30
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## +---------------- HighOffset (8-byte) 0x20
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##
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# DWARF-LE-CONTENT-NEXT: 0040: 40000000 00000000 FFFFFFFF FFFFFFFF
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## | |
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## | +---------------- Base Address Entry (8-byte) UINT64_MAX
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## +---------------- HighOffset (8-byte) 0x40
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##
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# DWARF-LE-CONTENT-NEXT: 0050: 10000000 00000000 00000000 00000000
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## | |
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## | +---------------- LowOffset (8-byte) 0x00
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## +---------------- Base Address (8-byte) 0x10
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##
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# DWARF-LE-CONTENT-NEXT: 0060: 00000000 00000000 00000000 00000000
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## | |
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## | +---------------- Terminating Entry (16-byte)
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## +---------------- HighOffset (8-byte) 0x00
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##
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# DWARF-LE-CONTENT-NEXT: 0070: 00000000 00000000
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## |
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## +---------------- Terminating Entry (lower 8-byte)
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##
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# DWARF-LE-CONTENT-NEXT: )
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: [[ENDIAN]]
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Type: ET_EXEC
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Machine: EM_X86_64
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DWARF:
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debug_ranges:
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- Offset: 0
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AddrSize: 0x04
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Entries:
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- LowOffset: 0x00000010
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HighOffset: 0x00000020
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- LowOffset: 0x00000030
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HighOffset: 0x00000040
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- LowOffset: 0xffffffff
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HighOffset: 0x00000010
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- LowOffset: 0x00000000
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HighOffset: 0x00000000
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- Offset: 40
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AddrSize: 0x08
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Entries:
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- LowOffset: 0x0000000000000010
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HighOffset: 0x0000000000000020
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- LowOffset: 0x0000000000000030
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HighOffset: 0x0000000000000040
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- LowOffset: 0xffffffffffffffff
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HighOffset: 0x0000000000000010
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- LowOffset: 0x0000000000000000
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HighOffset: 0x0000000000000000
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## Generate and verify a big endian .debug_ranges section.
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# RUN: yaml2obj --docnum=1 -DENDIAN=ELFDATA2MSB %s -o %t.be.o
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# RUN: llvm-readobj --sections --section-data %t.be.o | \
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# RUN: FileCheck %s -DSIZE=120 -DADDRALIGN=1 --check-prefixes=DWARF-HEADER,DWARF-BE-CONTENT
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# DWARF-BE-CONTENT-NEXT: SectionData (
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# DWARF-BE-CONTENT-NEXT: 0000: 00000010 00000020 00000030 00000040
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## | | | |
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## | | | +------- HighOffset (4-byte) 0x40
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## | | +------- LowOffset (4-byte) 0x30
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## | +------- HighOffset (4-byte) 0x20
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## +------- LowOffset (4-byte) 0x10
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##
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# DWARF-BE-CONTENT-NEXT: 0010: FFFFFFFF 00000010 00000000 00000000
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## | | | |
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## | | | +------- HighOffset (4-byte) 0x00
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## | | +------- LowOffset (4-byte) 0x00
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## | +------- Base Address (4-byte) 0x10
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## +------- Base Address Entry (4-byte) UINT32_MAX
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##
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# DWARF-BE-CONTENT-NEXT: 0020: 00000000 00000000 00000000 00000010
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## | |
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## | +---------------- LowOffset (8-byte) 0x10
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## +---------------- Terminating Entry (8-byte)
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##
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# DWARF-BE-CONTENT-NEXT: 0030: 00000000 00000020 00000000 00000030
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## | |
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## | +---------------- LowOffset (8-byte) 0x30
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## +---------------- HighOffset (8-byte) 0x20
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##
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# DWARF-BE-CONTENT-NEXT: 0040: 00000000 00000040 FFFFFFFF FFFFFFFF
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## | |
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## | +---------------- Base Address Entry (8-byte) UINT64_MAX
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## +---------------- HighOffset (8-byte) 0x40
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##
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# DWARF-BE-CONTENT-NEXT: 0050: 00000000 00000010 00000000 00000000
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## | |
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## | +---------------- LowOffset (8-byte) 0x00
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## +---------------- Base Address (8-byte) 0x10
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##
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# DWARF-BE-CONTENT-NEXT: 0060: 00000000 00000000 00000000 00000000
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## | |
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## | +---------------- Terminating Entry (16-byte)
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## +---------------- HighOffset (8-byte) 0x00
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##
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# DWARF-BE-CONTENT-NEXT: 0070: 00000000 00000000
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## |
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## +---------------- Terminating Entry (lower 8-byte)
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##
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# DWARF-BE-CONTENT-NEXT: )
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## b) Generate the .debug_ranges section from raw section content.
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# RUN: yaml2obj --docnum=2 %s -o %t2.o
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# RUN: llvm-readobj --sections --section-data %t2.o | \
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# RUN: FileCheck %s -DSIZE=3 -DADDRALIGN=0 --check-prefixes=DWARF-HEADER,ARBITRARY-CONTENT
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# ARBITRARY-CONTENT: SectionData (
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# ARBITRARY-CONTENT-NEXT: 0000: 112233
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# ARBITRARY-CONTENT-NEXT: )
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .debug_ranges
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Type: SHT_PROGBITS
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Content: "112233"
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## c) Generate the .debug_ranges section when the "Size" is specified.
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# RUN: yaml2obj --docnum=3 %s -o %t3.o
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# RUN: llvm-readobj --hex-dump=.debug_ranges %t3.o | FileCheck %s --check-prefix=SIZE
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# SIZE: Hex dump of section '.debug_ranges':
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# SIZE-NEXT: 0x00000000 00000000 00000000 00000000 00000000 ................
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# SIZE-EMPTY:
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .debug_ranges
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Type: SHT_PROGBITS
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Size: 0x10
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## d) Test that yaml2obj emits an error message when both the "Size" and the
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## "debug_ranges" entry are specified at the same time.
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# RUN: not yaml2obj --docnum=4 %s 2>&1 | FileCheck %s --check-prefix=ERROR
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# 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
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .debug_ranges
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Type: SHT_PROGBITS
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Size: 0x10
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DWARF:
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debug_ranges:
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- Offset: 0
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AddrSize: 0x08
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Entries:
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- LowOffset: 0x0000000000000001
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HighOffset: 0x0000000000000002
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## e) Test that yaml2obj emits an error message when both the "Content" and the
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## "debug_ranges" entry are specified at the same time.
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# RUN: not yaml2obj --docnum=5 %s 2>&1 | FileCheck %s --check-prefix=ERROR
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .debug_ranges
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Type: SHT_PROGBITS
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Content: "00"
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DWARF:
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debug_ranges:
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- Offset: 0
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AddrSize: 0x08
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Entries:
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- LowOffset: 0x0000000000000001
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HighOffset: 0x0000000000000002
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## f) Test that all the properties can be overridden by the section header when
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## the "debug_ranges" entry doesn't exist.
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# RUN: yaml2obj --docnum=6 %s -o %t6.o
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# RUN: llvm-readelf --sections %t6.o | FileCheck %s --check-prefix=OVERRIDDEN
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# OVERRIDDEN: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
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# OVERRIDDEN: [ 1] .debug_ranges STRTAB 0000000000002020 000050 000020 01 A 2 1 2
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# OVERRIDDEN-NEXT: [ 2] .sec STRTAB 0000000000000000 000070 000000 00 0 0 0
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .debug_ranges
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Type: SHT_STRTAB # SHT_PROGBITS by default.
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Flags: [SHF_ALLOC] # 0 by default.
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Link: .sec # 0 by default.
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EntSize: 1 # 0 by default.
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Info: 1 # 0 by default.
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AddressAlign: 2 # 0 by default.
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Address: 0x2020 # 0x00 by default.
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Offset: 0x50 # 0x40 for the first section.
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Size: 0x20 # Set the "Size" so that we can reuse the check tag "OVERRIDDEN".
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- Name: .sec # Linked by .debug_ranges.
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Type: SHT_STRTAB
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## g) Test that all the properties can be overridden by the section header when
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## the "debug_ranges" entry exists.
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# RUN: yaml2obj --docnum=7 %s -o %t7.o
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# RUN: llvm-readelf --sections %t7.o | FileCheck %s --check-prefix=OVERRIDDEN
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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Sections:
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- Name: .debug_ranges
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Type: SHT_STRTAB # SHT_PROGBITS by default.
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Flags: [SHF_ALLOC] # 0 by default.
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Link: .sec # 0 by default.
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EntSize: 1 # 0 by default.
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Info: 1 # 0 by default.
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AddressAlign: 2 # 1 by default.
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Address: 0x2020 # 0x00 by default.
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Offset: 0x50 # 0x40 for the first section.
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- Name: .sec # Linked by .debug_ranges.
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Type: SHT_STRTAB
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DWARF:
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debug_ranges:
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- Offset: 0
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AddrSize: 0x08
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Entries:
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- LowOffset: 0x0000000000000001
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HighOffset: 0x0000000000000002
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## h) Test that yaml2obj will not generate the .debug_ranges section when the "DWARF" entry
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## exists but the "debug_ranges" entry doesn't exist in the "DWARF" entry or the "Sections" entry.
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# RUN: yaml2obj --docnum=8 %s -o %t8.o
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# RUN: llvm-readelf --sections %t8.o | FileCheck /dev/null --implicit-check-not=.debug_ranges
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--- !ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_EXEC
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Machine: EM_X86_64
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DWARF:
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