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89642abc65
This patch adds half a dozen new tests that test various edge cases in the behaviour of the symbolizer and DWARF data parsing. All of them test the current behaviour. Reviewed by: JDevlieghere, aprantl Differential Revision: https://reviews.llvm.org/D57741 llvm-svn: 353286
107 lines
4.5 KiB
ArmAsm
107 lines
4.5 KiB
ArmAsm
# Create .debug_line containing absolute path in filename. Show that the path is sensibly printed/found/etc.
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# REQUIRES: x86-registered-target
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# RUN: sed s!FILEPATH!%/s! %s > %t.s
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# RUN: llvm-mc --filetype=obj --triple=x86_64-pc-linux %t.s -o %t.o
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# RUN: llvm-symbolizer --obj=%t.o 0 | FileCheck %s -DPATH=%/s
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# CHECK: {{^}}[[PATH]]:1:0
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.type _start,@function
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_start:
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.Lfunc_begin0:
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ret
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.Lfunc_end0:
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.section .debug_str,"MS",@progbits,1
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.Linfo_string1:
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.asciz "test.c"
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.Linfo_string2:
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.asciz "/some/dir"
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.Linfo_string3:
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.asciz "_start"
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.section .debug_abbrev,"",@progbits
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.byte 1 # Abbreviation Code
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.byte 17 # DW_TAG_compile_unit
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.byte 1 # DW_CHILDREN_yes
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 16 # DW_AT_stmt_list
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.byte 23 # DW_FORM_sec_offset
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.byte 27 # DW_AT_comp_dir
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.byte 14 # DW_FORM_strp
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 2 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 0 # DW_CHILDREN_no
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 6 # DW_FORM_data4
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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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_info,"",@progbits
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.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
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.Ldebug_info_start0:
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.short 4 # DWARF version number
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.long .debug_abbrev # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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.byte 1 # Abbrev [1] 0xb:0x35 DW_TAG_compile_unit
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.long .Linfo_string1 # DW_AT_name
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.long .Lline_table_start0 # DW_AT_stmt_list
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.long .Linfo_string2 # DW_AT_comp_dir
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
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.byte 2 # Abbrev [2] 0x2a:0x15 DW_TAG_subprogram
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
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.long .Linfo_string3 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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# DW_AT_external
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.byte 0 # End Of Children Mark
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.Ldebug_info_end0:
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# Hand-written .debug_line to allow replacing in the absolute path
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# into the filename table at runtime.
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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.long .Ltable_end - .Ltable_start # unit length
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.Ltable_start:
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.short 4 # version
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.long .Lheader_end - .Lheader_start # header length
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.Lheader_start:
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.byte 1 # min instruction length
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.byte 1 # max ops per instruction
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.byte 1 # default is_stmt
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.byte -5 # line base
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.byte 14 # line range
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.byte 13 # opcode base
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.byte 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1 # standard opcode lengths
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.byte 0 # directory table
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.asciz "FILEPATH" # filename table
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.byte 0, 0, 0
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.byte 0
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.Lheader_end:
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.byte 0, 9, 2 # DW_LNE_set_address
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.quad .Lfunc_begin0
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.byte 1 # DW_LNS_copy
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.byte 33 # +1 address, +1 line
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.byte 0, 1, 1 # DW_LNE_end_sequence
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.Ltable_end:
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