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DWARF: Add a simple test exercising debug_loc parsing

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llvm-svn: 361759
This commit is contained in:
Pavel Labath 2019-05-27 13:23:23 +00:00
parent ae4ec62cc9
commit 2b5f340bcb
1 changed files with 117 additions and 0 deletions
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117
lldb/lit/SymbolFile/DWARF/debug_loc.s Normal file
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# RUN: llvm-mc -triple=x86_64-pc-linux -filetype=obj %s > %t
# RUN: lldb %t -o "image lookup -v -a 0" -o "image lookup -v -a 2" -o exit \
# RUN: | FileCheck %s
# CHECK-LABEL: image lookup -v -a 0
# CHECK: Variable: {{.*}}, name = "x", type = "int", location = rdi,
# CHECK-LABEL: image lookup -v -a 2
# CHECK: Variable: {{.*}}, name = "x", type = "int", location = rax,
.type f,@function
f: # @f
.Lfunc_begin0:
movl %edi, %eax
.Ltmp0:
retq
.Ltmp1:
.Lfunc_end0:
.size f, .Lfunc_end0-f
.section .debug_str,"MS",@progbits,1
.Linfo_string0:
.asciz "Hand-written DWARF"
.Linfo_string3:
.asciz "f"
.Linfo_string4:
.asciz "int"
.Linfo_string5:
.asciz "x"
.section .debug_loc,"",@progbits
.Ldebug_loc0:
.quad .Lfunc_begin0-.Lfunc_begin0
.quad .Ltmp0-.Lfunc_begin0
.short 1 # Loc expr size
.byte 85 # super-register DW_OP_reg5
.quad .Ltmp0-.Lfunc_begin0
.quad .Lfunc_end0-.Lfunc_begin0
.short 1 # Loc expr size
.byte 80 # super-register DW_OP_reg0
.quad 0
.quad 0
.section .debug_abbrev,"",@progbits
.byte 1 # Abbreviation Code
.byte 17 # DW_TAG_compile_unit
.byte 1 # DW_CHILDREN_yes
.byte 37 # DW_AT_producer
.byte 14 # DW_FORM_strp
.byte 19 # DW_AT_language
.byte 5 # DW_FORM_data2
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 2 # Abbreviation Code
.byte 46 # DW_TAG_subprogram
.byte 1 # DW_CHILDREN_yes
.byte 17 # DW_AT_low_pc
.byte 1 # DW_FORM_addr
.byte 18 # DW_AT_high_pc
.byte 6 # DW_FORM_data4
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 3 # Abbreviation Code
.byte 5 # DW_TAG_formal_parameter
.byte 0 # DW_CHILDREN_no
.byte 2 # DW_AT_location
.byte 23 # DW_FORM_sec_offset
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 73 # DW_AT_type
.byte 19 # DW_FORM_ref4
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 4 # Abbreviation Code
.byte 36 # DW_TAG_base_type
.byte 0 # DW_CHILDREN_no
.byte 3 # DW_AT_name
.byte 14 # DW_FORM_strp
.byte 62 # DW_AT_encoding
.byte 11 # DW_FORM_data1
.byte 11 # DW_AT_byte_size
.byte 11 # DW_FORM_data1
.byte 0 # EOM(1)
.byte 0 # EOM(2)
.byte 0 # EOM(3)
.section .debug_info,"",@progbits
.Lcu_begin0:
.long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit
.Ldebug_info_start0:
.short 4 # DWARF version number
.long .debug_abbrev # Offset Into Abbrev. Section
.byte 8 # Address Size (in bytes)
.byte 1 # Abbrev [1] 0xb:0x50 DW_TAG_compile_unit
.long .Linfo_string0 # DW_AT_producer
.short 12 # DW_AT_language
.byte 2 # Abbrev [2] 0x2a:0x29 DW_TAG_subprogram
.quad .Lfunc_begin0 # DW_AT_low_pc
.long .Lfunc_end0-.Lfunc_begin0 # DW_AT_high_pc
.long .Linfo_string3 # DW_AT_name
.long 83 # DW_AT_type
.byte 3 # Abbrev [3] 0x43:0xf DW_TAG_formal_parameter
.long .Ldebug_loc0 # DW_AT_location
.long .Linfo_string5 # DW_AT_name
.long .Lint-.Lcu_begin0 # DW_AT_type
.byte 0 # End Of Children Mark
.Lint:
.byte 4 # Abbrev [4] 0x53:0x7 DW_TAG_base_type
.long .Linfo_string4 # DW_AT_name
.byte 5 # DW_AT_encoding
.byte 4 # DW_AT_byte_size
.byte 0 # End Of Children Mark
.Ldebug_info_end0: