| # 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 -o %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: |
