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cec9007903
Errors found processing the DW_AT_ranges attribute are propagated by lower level routines and reported by their callers. Reviewer: JDevlieghere Differential Revision: https://reviews.llvm.org/D48344 llvm-svn: 335188
208 lines
8.9 KiB
ArmAsm
208 lines
8.9 KiB
ArmAsm
# RUN: llvm-mc -triple x86_64-unknown-linux %s -filetype=obj -o %t.o
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# RUN: 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
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# RUN: llvm-dwarfdump -lookup 10 %t.o 2> %t2.err
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# RUN: FileCheck %s --input-file %t2.err --check-prefix=ERR
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# Test object to verify dwarfdump handles v5 range lists.
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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,"",@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 CU1_5_end-CU1_5_version # Length of Unit
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CU1_5_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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.long .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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.long Rnglist_Table0_base # DW_AT_rnglists_base
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.long Rnglist_Table0_Rnglist0 # DW_AT_ranges
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.byte 0 # NULL
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.byte 0 # NULL
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CU1_5_end:
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.long CU2_5_end-CU2_5_version # Length of Unit
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CU2_5_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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.long .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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.long Rnglist_Table0_base # DW_AT_rnglists_base
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.uleb128 1 # DW_AT_ranges
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.byte 0 # NULL
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CU2_5_end:
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# A CU with an invalid DW_AT_rnglists_base attribute
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.long CU3_5_end-CU3_5_version # Length of Unit
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CU3_5_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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.long .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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.long 0x8 # DW_AT_rnglists_base
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.long 0 # DW_AT_ranges
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.byte 0 # NULL
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CU3_5_end:
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# A CU DIE with an incorrect DW_AT_ranges attribute
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.long CU4_5_end-CU4_5_version # Length of Unit
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CU4_5_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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.long .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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.long Rnglist_Table0_base # DW_AT_rnglists_base
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.long 4000 # DW_AT_ranges
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.byte 0 # NULL
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CU4_5_end:
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.section .debug_info.dwo,"",@progbits
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# DWARF v5 split CU header.
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.long CU_split_5_end-CU_split_5_version # Length of Unit
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CU_split_5_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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.long 0 # 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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.uleb128 1 # DW_AT_ranges
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.byte 0 # NULL
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CU_split_5_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 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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.long Rnglist_Table0_Rnglist0 - Rnglist_Table0_base
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.long 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,"",@progbits
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.long 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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.long Rnglist_Table0_Rnglist0_dwo - Rnglist_Table0_base_dwo
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.long 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] (0x0000000c)
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# CHECK-NEXT: DW_AT_ranges [DW_FORM_sec_offset] (0x00000014
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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] (0x0000000c)
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# CHECK-NEXT: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x1) rangelist = 0x00000018
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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 = 0x00000009
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# CHECK-NEXT: [0x0000002a, 0x00000034))
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#ERR: error: parsing a range list table: Did not detect a valid range list table with base = 0x8
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#ERR: error: decoding address ranges: missing or invalid range list table
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#ERR: error: decoding address ranges: invalid range list offset 0xfa0
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