6e2d3049d2
This patch adds general support for DWARFv5 index writing. In particular, this means only allowing inputs with one version, either DWARFv5 or DWARFv4. This patch adds the .debug_macro section as an example, but the DWARFv5 type support and loc and rangelists are still missing (and upcoming). Reviewed By: dblaikie Differential Revision: https://reviews.llvm.org/D102315
56 lines
2.9 KiB
ArmAsm
56 lines
2.9 KiB
ArmAsm
# This test checks the support for writing macro sections and their index (v5).
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# RUN: llvm-mc -triple x86_64-unknown-linux --filetype=obj --split-dwarf-file=%t.dwo -dwarf-version=5 %s -o %t.o
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# RUN: llvm-dwp %t.dwo -o %t.dwp 2>&1
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# RUN: llvm-dwarfdump -debug-macro -debug-cu-index %t.dwp | FileCheck %s
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# CHECK-DAG: .debug_macro.dwo contents:
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# CHECK: macro header: version = 0x0005, flags = 0x00, format = DWARF32
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# CHECK-NEXT: DW_MACRO_start_file - lineno: 0 filenum: 0
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# CHECK-NEXT: DW_MACRO_define_strx - lineno: 1 macro: x 5
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# CHECK-NEXT: DW_MACRO_end_file
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# CHECK-DAG: .debug_cu_index contents:
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# CHECK-NEXT: version = 5, units = 1, slots = 2
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# CHECK: Index Signature INFO ABBREV STR_OFFSETS MACRO
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# CHECK: 1 0x0000000000000000 [0x00000000, 0x00000019) [0x00000000, 0x00000008) [0x00000000, 0x0000000c) [0x00000000, 0x0000000b)
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.section .debug_info.dwo,"e",@progbits
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.long .Ldebug_info_dwo_end0-.Ldebug_info_dwo_start0 # Length of Unit
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.Ldebug_info_dwo_start0:
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.short 5 # DWARF version number
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.byte 5 # DWARF Unit Type (DW_UT_split_compile)
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.byte 8 # Address Size (in bytes)
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.long 0 # Offset Into Abbrev. Section
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.quad 0
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.byte 1 # Abbrev [1] 0x14:0x5 DW_TAG_compile_unit
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.long 0 # DW_AT_macros
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.Ldebug_info_dwo_end0:
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.section .debug_macro.dwo,"e",@progbits
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.short 5 # Macro information version
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.byte 0 # Flags: 32 bit
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.byte 3 # DW_MACRO_start_file
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.byte 0 # Line Number
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.byte 0 # File Number
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.byte 11 # DW_MACRO_define_strx
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.byte 1 # Line Number
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.byte 0 # Macro String
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.byte 4 # DW_MACRO_end_file
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.byte 0 # End Of Macro List Mark
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.section .debug_abbrev.dwo,"e",@progbits
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.byte 1 # Abbreviation Code
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.byte 17 # DW_TAG_compile_unit
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.byte 0 # DW_CHILDREN_no
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.byte 121 # DW_AT_macros
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.byte 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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.byte 0 # EOM(3)
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.section .debug_str.dwo,"eMS",@progbits,1
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.asciz "x 5" # string offset=0
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.section .debug_str_offsets.dwo,"e",@progbits
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.long 8 # Length of String Offsets Set
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.short 5
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.short 0
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.long 0
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