# This test checks the handling of location lists in the case when the module is # not loaded at the address at which it was linked (as happens with ASLR for # instance). # REQUIRES: x86 # RUN: yaml2obj %S/Inputs/debug_loc-aslr.yaml >%t.dmp # RUN: llvm-mc --triple=x86_64-pc-linux --filetype=obj %s >%t.o # RUN: %lldb -c %t.dmp -o "image add %t.o" \ # RUN: -o "image load --file %t.o --slide 0x470000" \ # RUN: -o "thread info" -o "frame variable" -o exit | FileCheck %s # CHECK: thread #1: tid = 16001, 0x0000000000470001 {{.*}}`_start # CHECK: (int) x = 47 # CHECK: (int) y = 74 .text .globl _start _start: nop retq .Lstart_end: .section .debug_loc,"",@progbits # This location list implicitly uses the base address of the compile unit. .Ldebug_loc0: .quad _start-_start .quad .Lstart_end-_start .short 3 # Loc expr size .byte 8 # DW_OP_const1u .byte 47 .byte 159 # DW_OP_stack_value .quad 0 .quad 0 # This is an equivalent location list to the first one, but here the base # address is set explicitly. .Ldebug_loc1: .quad -1 .quad _start .quad _start-_start .quad .Lstart_end-_start .short 3 # Loc expr size .byte 8 # DW_OP_const1u .byte 74 .byte 159 # DW_OP_stack_value .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 8 # DW_FORM_string .byte 19 # DW_AT_language .byte 5 # DW_FORM_data2 .byte 17 # DW_AT_low_pc .byte 1 # DW_FORM_addr .byte 18 # DW_AT_high_pc .byte 6 # DW_FORM_data4 .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 8 # DW_FORM_string .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 4 # Abbreviation Code .byte 52 # DW_TAG_variable .byte 0 # DW_CHILDREN_no .byte 2 # DW_AT_location .byte 23 # DW_FORM_sec_offset .byte 3 # DW_AT_name .byte 8 # DW_FORM_string .byte 73 # DW_AT_type .byte 19 # DW_FORM_ref4 .byte 0 # EOM(1) .byte 0 # EOM(2) .byte 6 # Abbreviation Code .byte 36 # DW_TAG_base_type .byte 0 # DW_CHILDREN_no .byte 3 # DW_AT_name .byte 8 # DW_FORM_string .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:0x6a DW_TAG_compile_unit .asciz "Hand-written DWARF" # DW_AT_producer .short 12 # DW_AT_language .quad _start # DW_AT_low_pc .long .Lstart_end-_start # DW_AT_high_pc .byte 2 # Abbrev [2] 0x2a:0x43 DW_TAG_subprogram .quad _start # DW_AT_low_pc .long .Lstart_end-_start # DW_AT_high_pc .asciz "_start" # DW_AT_name .byte 4 # Abbrev [4] 0x52:0xf DW_TAG_variable .long .Ldebug_loc0 # DW_AT_location .asciz "x" # DW_AT_name .long .Lint # DW_AT_type .byte 4 # Abbrev [4] 0x52:0xf DW_TAG_variable .long .Ldebug_loc1 # DW_AT_location .asciz "y" # DW_AT_name .long .Lint # DW_AT_type .byte 0 # End Of Children Mark .Lint: .byte 6 # Abbrev [6] 0x6d:0x7 DW_TAG_base_type .asciz "int" # DW_AT_name .byte 5 # DW_AT_encoding .byte 4 # DW_AT_byte_size .byte 0 # End Of Children Mark .Ldebug_info_end0: