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DWARFv5 defines index sections in package files in a slightly different way than the pre-standard GNU proposal, see Section 7.3.5 in the DWARF standard and https://gcc.gnu.org/wiki/DebugFissionDWP for GNU proposal. The main concern here is values for section identifiers, which are partially overlapped with changed meanings. The patch adds support for v5 index sections and resolves that difficulty by defining a set of identifiers for internal use which can represent and distinct values of both standards. Differential Revision: https://reviews.llvm.org/D75929
52 lines
2.4 KiB
ArmAsm
52 lines
2.4 KiB
ArmAsm
## The test checks that we can parse and dump a pre-standard CU index section.
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## See https://gcc.gnu.org/wiki/DebugFissionDWP for the proposal.
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# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o - | \
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# RUN: llvm-dwarfdump -debug-cu-index - | \
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# RUN: FileCheck %s
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# CHECK: .debug_cu_index contents:
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# CHECK-NEXT: version = 2 slots = 2
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# CHECK-EMPTY:
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# CHECK-NEXT: Index Signature INFO ABBREV LINE LOC STR_OFFSETS MACINFO MACRO
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# CHECK-NEXT: ----- ------------------ ------------------------ ------------------------ ------------------------ ------------------------ ------------------------ ------------------------ ------------------------
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# CHECK-NEXT: 1 0x1100001122222222 [0x00001000, 0x00001010) [0x00002000, 0x00002020) [0x00003000, 0x00003030) [0x00004000, 0x00004040) [0x00005000, 0x00005050) [0x00006000, 0x00006060) [0x00007000, 0x00007070)
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.section .debug_cu_index, "", @progbits
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## Header:
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.long 2 # Version
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.long 7 # Section count
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.long 1 # Unit count
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.long 2 # Slot count
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## Hash Table of Signatures:
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.quad 0x1100001122222222
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.quad 0
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## Parallel Table of Indexes:
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.long 1
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.long 0
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## Table of Section Offsets:
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## Row 0:
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.long 1 # DW_SECT_INFO
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.long 3 # DW_SECT_ABBREV
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.long 4 # DW_SECT_LINE
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.long 5 # DW_SECT_LOC
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.long 6 # DW_SECT_STR_OFFSETS
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.long 7 # DW_SECT_MACINFO
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.long 8 # DW_SECT_MACRO
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## Row 1:
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.long 0x1000 # Offset in .debug_info.dwo
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.long 0x2000 # Offset in .debug_abbrev.dwo
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.long 0x3000 # Offset in .debug_line.dwo
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.long 0x4000 # Offset in .debug_loc.dwo
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.long 0x5000 # Offset in .debug_str_offsets.dwo
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.long 0x6000 # Offset in .debug_macinfo.dwo
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.long 0x7000 # Offset in .debug_macro.dwo
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## Table of Section Sizes:
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.long 0x10 # Size in .debug_info.dwo
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.long 0x20 # Size in .debug_abbrev.dwo
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.long 0x30 # Size in .debug_line.dwo
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.long 0x40 # Size in .debug_loc.dwo
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.long 0x50 # Size in .debug_str_offsets.dwo
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.long 0x60 # Size in .debug_macinfo.dwo
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.long 0x70 # Size in .debug_macro.dwo
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