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This fixes the reading of location lists headers for compilation units in package files by adjusting the reading offset according to the corresponding record in the unit index. This is required for DW_FORM_loclistx to work. Differential revision: https://reviews.llvm.org/D77146
141 lines
6.2 KiB
ArmAsm
141 lines
6.2 KiB
ArmAsm
## The test checks that v5 compile units in package files read their
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## location tables from .debug_loclists.dwo sections.
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## See dwp-v2-loc.s for pre-v5 units.
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# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o - | \
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# RUN: llvm-dwarfdump -debug-info -debug-loclists - | \
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# RUN: FileCheck %s
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# CHECK: .debug_info.dwo contents:
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# CHECK: DW_TAG_compile_unit
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# CHECK: DW_TAG_variable
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# CHECK-NEXT: DW_AT_name ("a")
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# CHECK-NEXT: DW_AT_location (0x{{[0-9a-f]+}}:
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# CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000010): DW_OP_reg5 RDI)
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# CHECK: DW_TAG_variable
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# CHECK-NEXT: DW_AT_name ("b")
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# CHECK-NEXT: DW_AT_location (indexed (0x1) loclist = 0x{{[0-9a-f]+}}:
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# CHECK-NEXT: DW_LLE_startx_length (0x0000000000000005, 0x0000000000000020): DW_OP_regx RDI)
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# CHECK: .debug_loclists.dwo contents:
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# CHECK: locations list header:
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# CHECK: locations list header:
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# CHECK: offsets:
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# CHECK: 0x{{[0-9a-f]+}}:
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# CHECK-NEXT: DW_LLE_startx_length (0x0000000000000001, 0x0000000000000010): DW_OP_reg5 RDI
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# CHECK: 0x{{[0-9a-f]+}}:
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# CHECK-NEXT: DW_LLE_startx_length (0x0000000000000005, 0x0000000000000020): DW_OP_regx RDI
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.section .debug_abbrev.dwo, "e", @progbits
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.LAbbrevBegin:
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.uleb128 1 # Abbreviation Code
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.uleb128 17 # DW_TAG_compile_unit
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.byte 1 # DW_CHILDREN_yes
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.uleb128 2 # Abbreviation Code
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.uleb128 52 # DW_TAG_variable
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.byte 0 # DW_CHILDREN_no
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.uleb128 3 # DW_AT_name
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.uleb128 8 # DW_FORM_string
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.uleb128 2 # DW_AT_location
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.uleb128 23 # DW_FORM_sec_offset
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.uleb128 3 # Abbreviation Code
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.uleb128 52 # DW_TAG_variable
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.byte 0 # DW_CHILDREN_no
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.uleb128 3 # DW_AT_name
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.uleb128 8 # DW_FORM_string
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.uleb128 2 # DW_AT_location
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.uleb128 34 # DW_FORM_loclistx
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 0 # EOM(3)
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.LAbbrevEnd:
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.section .debug_info.dwo, "e", @progbits
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.LCUBegin:
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.long .LCUEnd-.LCUVersion # Length of Unit
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.LCUVersion:
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.short 5 # Version
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.byte 5 # DW_UT_split_compile
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.byte 8 # Address size
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.long 0 # Abbrev offset
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.quad 0x1100001122222222 # DWO id
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.uleb128 1 # Abbrev [1] DW_TAG_compile_unit
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.uleb128 2 # Abbrev [2] DW_TAG_variable
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.asciz "a" # DW_AT_name
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.long .LLL0-.LLLBegin # DW_AT_location (DW_FORM_sec_offset)
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.uleb128 3 # Abbrev [3] DW_TAG_variable
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.asciz "b" # DW_AT_name
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.uleb128 1 # DW_AT_location (DW_FORM_loclistx)
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.byte 0 # End Of Children Mark
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.LCUEnd:
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.section .debug_loclists.dwo, "e", @progbits
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## Start the section with an unused table to check that the reading offset
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## of the real table is correctly adjusted.
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.long .LLLDummyEnd-.LLLDummyVersion # Length of Unit
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.LLLDummyVersion:
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.short 5 # Version
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.byte 8 # Address size
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.byte 0 # Segment selector size
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.long 0 # Offset entry count
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.byte 0 # DW_LLE_end_of_list
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.LLLDummyEnd:
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.LLLBegin:
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.long .LLLEnd-.LLLVersion # Length of Unit
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.LLLVersion:
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.short 5 # Version
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.byte 8 # Address size
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.byte 0 # Segment selector size
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.long 2 # Offset entry count
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.LLLBase:
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.long .LLL0-.LLLBase
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.long .LLL1-.LLLBase
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.LLL0:
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.byte 3 # DW_LLE_startx_length
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.uleb128 1 # Index
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.uleb128 0x10 # Length
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.uleb128 1 # Loc expr size
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.byte 85 # DW_OP_reg5
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.byte 0 # DW_LLE_end_of_list
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.LLL1:
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.byte 3 # DW_LLE_startx_length
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.uleb128 5 # Index
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.uleb128 0x20 # Length
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.uleb128 2 # Loc expr size
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.byte 144 # DW_OP_regx
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.uleb128 5 # RDI
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.byte 0 # DW_LLE_end_of_list
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.LLLEnd:
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.section .debug_cu_index, "", @progbits
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## Header:
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.short 5 # Version
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.space 2 # Padding
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.long 3 # 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 5 # DW_SECT_LOCLISTS
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## Row 1:
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.long 0 # Offset in .debug_info.dwo
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.long 0 # Offset in .debug_abbrev.dwo
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.long .LLLBegin-.debug_loclists.dwo # Offset in .debug_loclists.dwo
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## Table of Section Sizes:
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.long .LCUEnd-.LCUBegin # Size in .debug_info.dwo
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.long .LAbbrevEnd-.LAbbrevBegin # Size in .debug_abbrev.dwo
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.long .LLLEnd-.LLLBegin # Size in .debug_loclists.dwo
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