250 lines
11 KiB
ArmAsm
250 lines
11 KiB
ArmAsm
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# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
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# RUN: not llvm-dwarfdump -v -debug-info %t.o 2> %t.err | FileCheck %s
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# RUN: FileCheck %s --input-file %t.err --check-prefix=ERR --implicit-check-not=error
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# RUN: not llvm-dwarfdump -lookup 10 %t.o 2> %t2.err
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# RUN: FileCheck %s --input-file %t2.err --check-prefix=ERR --implicit-check-not=error
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# RUN: llvm-dwarfdump -debug-rnglists %t.o | \
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# RUN: FileCheck %s --check-prefix=RNGLISTS
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# Test object to verify dwarfdump handles v5 range lists in 64-bit DWARF format.
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# This is similar to 'dwarfdump-rnglists.s', which uses 32-bit DWARF format.
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# We use very simplified compile unit dies.
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# There are 2 full CUs with DW_AT_rnglists_base, one with a DW_AT_ranges
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# attribute using DW_FORM_sec_offset, the other with DW_AT_ranges using
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# DW_FORM_rnglistx.
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.section .debug_abbrev,"",@progbits
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.byte 0x01 # Abbrev code
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.byte 0x11 # DW_TAG_compile_unit
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x74 # DW_AT_rnglists_base
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.byte 0x17 # DW_FORM_sec_offset
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.byte 0x55 # DW_AT_ranges
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.byte 0x17 # DW_FORM_sec_offset
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x02 # Abbrev code
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.byte 0x11 # DW_TAG_compile_unit
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x74 # DW_AT_rnglists_base
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.byte 0x17 # DW_FORM_sec_offset
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.byte 0x55 # DW_AT_ranges
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.byte 0x23 # DW_FORM_rnglistx
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x00 # EOM(3)
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# The split CU uses DW_FORM_rnglistx (the only correct option).
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# There is no DW_AT_rnglists_base in split units.
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.section .debug_abbrev.dwo,"e",@progbits
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.byte 0x01 # Abbrev code
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.byte 0x11 # DW_TAG_compile_unit
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.byte 0x00 # DW_CHILDREN_no
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.byte 0x55 # DW_AT_ranges
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.byte 0x23 # DW_FORM_rnglistx
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.byte 0x00 # EOM(1)
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.byte 0x00 # EOM(2)
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.byte 0x00 # EOM(3)
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.section .debug_info,"",@progbits
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.long 0xffffffff # DWARF64 mark
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.quad CU1_5_64_end - CU1_5_64_version # Length of Unit
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CU1_5_64_version:
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.short 5 # DWARF version number
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.byte 1 # DWARF Unit Type
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.byte 4 # Address Size (in bytes)
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.quad .debug_abbrev # Offset Into Abbrev. Section
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# The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges.
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.byte 1 # Abbreviation code
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.quad Rnglist_Table0_base # DW_AT_rnglists_base
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.quad Rnglist_Table0_Rnglist0 # DW_AT_ranges
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CU1_5_64_end:
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.long 0xffffffff # DWARF64 mark
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.quad CU2_5_64_end - CU2_5_64_version # Length of Unit
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CU2_5_64_version:
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.short 5 # DWARF version number
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.byte 1 # DWARF Unit Type
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.byte 4 # Address Size (in bytes)
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.quad .debug_abbrev # Offset Into Abbrev. Section
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# The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges.
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.byte 2 # Abbreviation code
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.quad Rnglist_Table0_base # DW_AT_rnglists_base
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.uleb128 1 # DW_AT_ranges
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CU2_5_64_end:
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# A CU with an invalid DW_AT_rnglists_base attribute
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.long 0xffffffff # DWARF64 mark
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.quad CU3_5_64_end - CU3_5_64_version # Length of Unit
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CU3_5_64_version:
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.short 5 # DWARF version number
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.byte 1 # DWARF Unit Type
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.byte 4 # Address Size (in bytes)
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.quad .debug_abbrev # Offset Into Abbrev. Section
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# The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges.
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.byte 2 # Abbreviation code
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.quad 0x8 # DW_AT_rnglists_base
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.uleb128 0 # DW_AT_ranges
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CU3_5_64_end:
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# A CU DIE with an incorrect DW_AT_ranges attribute
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.long 0xffffffff # DWARF64 mark
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.quad CU4_5_64_end - CU4_5_64_version # Length of Unit
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CU4_5_64_version:
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.short 5 # DWARF version number
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.byte 1 # DWARF Unit Type
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.byte 4 # Address Size (in bytes)
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.quad .debug_abbrev # Offset Into Abbrev. Section
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# The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges.
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.byte 1 # Abbreviation code
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.quad Rnglist_Table0_base # DW_AT_rnglists_base
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.quad 4000 # DW_AT_ranges
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CU4_5_64_end:
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.section .debug_info.dwo,"e",@progbits
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# DWARF v5 split CU header.
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.long 0xffffffff # DWARF64 mark
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.quad CU_split_5_64_end-CU_split_5_64_version # Length of Unit
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CU_split_5_64_version:
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.short 5 # DWARF version number
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.byte 5 # DWARF Unit Type
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.byte 4 # Address Size (in bytes)
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.quad 0 # Offset Into Abbrev Section
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.quad 0xdeadbeefbaadf00d # DWO id
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# The compile-unit DIE, which has DW_AT_rnglists_base and DW_AT_ranges.
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.byte 1 # Abbreviation code
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.uleb128 1 # DW_AT_ranges
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CU_split_5_64_end:
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.section .debug_rnglists,"",@progbits
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# A rnglist table with 2 range lists. The first one uses DW_RLE_start_end
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# and DW_RLE_start_length. The second one uses DW_RLE_base_address and
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# DW_RLE_offset_pair. The range lists have entries in the offset table.
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.long 0xffffffff # DWARF64 mark
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.quad Rnglist_Table0_end - Rnglist_Table0 # table length
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Rnglist_Table0:
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.short 5 # version
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.byte 4 # address size
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.byte 0 # segment selector size
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.long 2 # offset entry count
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Rnglist_Table0_base:
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# 2 offset entries which can be used by DW_FORM_rnglistx.
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.quad Rnglist_Table0_Rnglist0 - Rnglist_Table0_base
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.quad Rnglist_Table0_Rnglist1 - Rnglist_Table0_base
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Rnglist_Table0_Rnglist0:
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.byte 6 # DW_RLE_start_end
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.long Range0_start
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.long Range0_end
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.byte 7 # DW_RLE_start_length
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.long Range1_start
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.uleb128 Range1_end - Range1_start
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.byte 0 # DW_RLE_end_of_list
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Rnglist_Table0_Rnglist1:
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.byte 5 # DW_RLE_base_address
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.long Range0_start
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.byte 4 # DW_RLE_offset_pair
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.uleb128 Range1_start - Range0_start
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.uleb128 Range1_end - Range0_start
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.byte 0 # DW_RLE_end_of_list
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Rnglist_Table0_end:
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# A rnglist table for the split unit with an empty rangelist and one that
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# uses DW_RLE_base_address and DW_RLE_offset_pair. The ranges have entries
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# in the offset table. We use the empty range list so we can test
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# DW_FORM_rnglistx with an index other than 0.
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.section .debug_rnglists.dwo,"e",@progbits
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.long 0xffffffff # DWARF64 mark
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.quad Rnglist_Table0_dwo_end - Rnglist_Table0_dwo # table length
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Rnglist_Table0_dwo:
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.short 5 # version
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.byte 4 # address size
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.byte 0 # segment selector size
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.long 2 # offset entry count
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Rnglist_Table0_base_dwo:
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# 2 offset entries which can be used by DW_FORM_rnglistx.
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.quad Rnglist_Table0_Rnglist0_dwo - Rnglist_Table0_base_dwo
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.quad Rnglist_Table0_Rnglist1_dwo - Rnglist_Table0_base_dwo
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Rnglist_Table0_Rnglist0_dwo:
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.byte 0 # DW_RLE_start_end
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Rnglist_Table0_Rnglist1_dwo:
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.byte 5 # DW_RLE_base_address
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.long Range0_start - .text
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.byte 4 # DW_RLE_offset_pair
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.uleb128 Range1_start - Range0_start
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.uleb128 Range1_end - Range0_start
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.byte 0 # DW_RLE_end_of_list
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Rnglist_Table0_dwo_end:
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.text
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.space 20
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Range0_start: # Range0: 0x14 - 0x1c
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.space 10
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Range0_end:
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.space 12
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Range1_start: # Range1: 0x2a - 0x34
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.space 10
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Range1_end:
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# CHECK: .debug_info contents:
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# CHECK: Compile Unit:
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# CHECK-NOT: Compile Unit:
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# CHECK: DW_TAG_compile_unit
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# CHECK-NEXT: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000000000014)
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# CHECK-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x0000000000000024
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# CHECK-NEXT: [0x00000014, 0x0000001e) ".text"
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# CHECK-NEXT: [0x0000002a, 0x00000034) ".text")
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# CHECK: Compile Unit:
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# CHECK-NOT: Compile Unit:
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# CHECK: DW_TAG_compile_unit
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# CHECK-NEXT: DW_AT_rnglists_base [DW_FORM_sec_offset] (0x0000000000000014)
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# CHECK-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x1) rangelist = 0x00000034
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# CHECK-NEXT: [0x0000002a, 0x00000034) ".text")
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# CHECK: .debug_info.dwo contents:
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# CHECK: Compile Unit:
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# CHECK-NOT: contents:
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# CHECK: DW_TAG_compile_unit
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# CHECK-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x1) rangelist = 0x00000025
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# CHECK-NEXT: [0x0000002a, 0x00000034))
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#ERR: error: decoding address ranges: invalid range list offset 0x4000500000008
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#ERR: error: decoding address ranges: invalid range list offset 0xfa0
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# RNGLISTS: .debug_rnglists contents:
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# RNGLISTS: range list header:
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# RNGLISTS-SAME: length = 0x0000000000000031,
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# RNGLISTS-SAME: format = DWARF64,
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# RNGLISTS-SAME: version = 0x0005,
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# RNGLISTS-SAME: addr_size = 0x04,
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# RNGLISTS-SAME: seg_size = 0x00,
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# RNGLISTS-SAME: offset_entry_count = 0x00000002
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# RNGLISTS-NEXT: offsets: [
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# RNGLISTS-NEXT: 0x0000000000000010
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# RNGLISTS-NEXT: 0x0000000000000020
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# RNGLISTS-NEXT: ]
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# RNGLISTS-NEXT: ranges:
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# RNGLISTS-NEXT: [0x00000014, 0x0000001e)
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# RNGLISTS-NEXT: [0x0000002a, 0x00000034)
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# RNGLISTS-NEXT: <End of list>
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# RNGLISTS-NEXT: [0x0000002a, 0x00000034)
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# RNGLISTS-NEXT: <End of list>
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# RNGLISTS: .debug_rnglists.dwo contents:
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# RNGLISTS: range list header:
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# RNGLISTS-SAME: length = 0x0000000000000022,
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# RNGLISTS-SAME: format = DWARF64,
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# RNGLISTS-SAME: version = 0x0005,
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# RNGLISTS-SAME: addr_size = 0x04,
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# RNGLISTS-SAME: seg_size = 0x00,
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# RNGLISTS-SAME: offset_entry_count = 0x00000002
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# RNGLISTS-NEXT: offsets: [
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# RNGLISTS-NEXT: 0x0000000000000010
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# RNGLISTS-NEXT: 0x0000000000000011
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# RNGLISTS-NEXT: ]
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# RNGLISTS-NEXT: ranges:
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# RNGLISTS-NEXT: <End of list>
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# RNGLISTS-NEXT: [0x0000002a, 0x00000034)
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# RNGLISTS-NEXT: <End of list>
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