1# This test checks the handling of location lists in the case when the module is 2# not loaded at the address at which it was linked (as happens with ASLR for 3# instance). 4 5# REQUIRES: x86 6 7# RUN: yaml2obj %S/Inputs/debug_loc-aslr.yaml -o %t.dmp 8# RUN: llvm-mc --triple=x86_64-pc-linux --filetype=obj %s >%t.o 9# RUN: %lldb -c %t.dmp -o "image add %t.o" \ 10# RUN: -o "image load --file %t.o --slide 0x470000" \ 11# RUN: -o "thread info" -o "frame variable" -o exit | FileCheck %s 12 13# CHECK: thread #1: tid = 16001, 0x0000000000470001 {{.*}}`_start 14# CHECK: (int) x = 47 15# CHECK: (int) y = 74 16 17 .text 18 .globl _start 19_start: 20 nop 21 retq 22.Lstart_end: 23 24 .section .debug_loc,"",@progbits 25# This location list implicitly uses the base address of the compile unit. 26.Ldebug_loc0: 27 .quad _start-_start 28 .quad .Lstart_end-_start 29 .short 3 # Loc expr size 30 .byte 8 # DW_OP_const1u 31 .byte 47 32 .byte 159 # DW_OP_stack_value 33 .quad 0 34 .quad 0 35 36# This is an equivalent location list to the first one, but here the base 37# address is set explicitly. 38.Ldebug_loc1: 39 .quad -1 40 .quad _start 41 .quad _start-_start 42 .quad .Lstart_end-_start 43 .short 3 # Loc expr size 44 .byte 8 # DW_OP_const1u 45 .byte 74 46 .byte 159 # DW_OP_stack_value 47 .quad 0 48 .quad 0 49 50 .section .debug_abbrev,"",@progbits 51 .byte 1 # Abbreviation Code 52 .byte 17 # DW_TAG_compile_unit 53 .byte 1 # DW_CHILDREN_yes 54 .byte 37 # DW_AT_producer 55 .byte 8 # DW_FORM_string 56 .byte 19 # DW_AT_language 57 .byte 5 # DW_FORM_data2 58 .byte 17 # DW_AT_low_pc 59 .byte 1 # DW_FORM_addr 60 .byte 18 # DW_AT_high_pc 61 .byte 6 # DW_FORM_data4 62 .byte 0 # EOM(1) 63 .byte 0 # EOM(2) 64 .byte 2 # Abbreviation Code 65 .byte 46 # DW_TAG_subprogram 66 .byte 1 # DW_CHILDREN_yes 67 .byte 17 # DW_AT_low_pc 68 .byte 1 # DW_FORM_addr 69 .byte 18 # DW_AT_high_pc 70 .byte 6 # DW_FORM_data4 71 .byte 3 # DW_AT_name 72 .byte 8 # DW_FORM_string 73 .byte 0 # EOM(1) 74 .byte 0 # EOM(2) 75 .byte 4 # Abbreviation Code 76 .byte 52 # DW_TAG_variable 77 .byte 0 # DW_CHILDREN_no 78 .byte 2 # DW_AT_location 79 .byte 23 # DW_FORM_sec_offset 80 .byte 3 # DW_AT_name 81 .byte 8 # DW_FORM_string 82 .byte 73 # DW_AT_type 83 .byte 19 # DW_FORM_ref4 84 .byte 0 # EOM(1) 85 .byte 0 # EOM(2) 86 .byte 6 # Abbreviation Code 87 .byte 36 # DW_TAG_base_type 88 .byte 0 # DW_CHILDREN_no 89 .byte 3 # DW_AT_name 90 .byte 8 # DW_FORM_string 91 .byte 62 # DW_AT_encoding 92 .byte 11 # DW_FORM_data1 93 .byte 11 # DW_AT_byte_size 94 .byte 11 # DW_FORM_data1 95 .byte 0 # EOM(1) 96 .byte 0 # EOM(2) 97 .byte 0 # EOM(3) 98 .section .debug_info,"",@progbits 99.Lcu_begin0: 100 .long .Ldebug_info_end0-.Ldebug_info_start0 # Length of Unit 101.Ldebug_info_start0: 102 .short 4 # DWARF version number 103 .long .debug_abbrev # Offset Into Abbrev. Section 104 .byte 8 # Address Size (in bytes) 105 .byte 1 # Abbrev [1] 0xb:0x6a DW_TAG_compile_unit 106 .asciz "Hand-written DWARF" # DW_AT_producer 107 .short 12 # DW_AT_language 108 .quad _start # DW_AT_low_pc 109 .long .Lstart_end-_start # DW_AT_high_pc 110 .byte 2 # Abbrev [2] 0x2a:0x43 DW_TAG_subprogram 111 .quad _start # DW_AT_low_pc 112 .long .Lstart_end-_start # DW_AT_high_pc 113 .asciz "_start" # DW_AT_name 114 .byte 4 # Abbrev [4] 0x52:0xf DW_TAG_variable 115 .long .Ldebug_loc0 # DW_AT_location 116 .asciz "x" # DW_AT_name 117 .long .Lint # DW_AT_type 118 .byte 4 # Abbrev [4] 0x52:0xf DW_TAG_variable 119 .long .Ldebug_loc1 # DW_AT_location 120 .asciz "y" # DW_AT_name 121 .long .Lint # DW_AT_type 122 .byte 0 # End Of Children Mark 123.Lint: 124 .byte 6 # Abbrev [6] 0x6d:0x7 DW_TAG_base_type 125 .asciz "int" # DW_AT_name 126 .byte 5 # DW_AT_encoding 127 .byte 4 # DW_AT_byte_size 128 .byte 0 # End Of Children Mark 129.Ldebug_info_end0: 130