# Test debug_loc parsing, including the cases of invalid input. The exact # behavior in the invalid cases is not particularly important, but it should be # "reasonable". # REQUIRES: x86 # 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 = "x0", type = "int", location = DW_OP_reg5 RDI, # CHECK: Variable: {{.*}}, name = "x1", type = "int", location = , # CHECK: Variable: {{.*}}, name = "x2", type = "int", location = , # CHECK-LABEL: image lookup -v -a 2 # CHECK: Variable: {{.*}}, name = "x0", type = "int", location = DW_OP_reg0 RAX, # CHECK: Variable: {{.*}}, name = "x1", type = "int", location = , # CHECK: Variable: {{.*}}, name = "x2", type = "int", location = , # CHECK: Variable: {{.*}}, name = "x3", type = "int", location = DW_OP_reg1 RDX, .type f,@function f: # @f .Lfunc_begin0: nop .Ltmp0: nop .Ltmp1: nop .Ltmp2: nop .Ltmp3: nop .Ltmp4: nop .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" .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 .Ldebug_loc3: .quad -1 # Select base address .quad .Ltmp1 .quad .Ltmp1-.Ltmp1 .quad .Ltmp2-.Ltmp1 .short 1 # Loc expr size .byte 81 # super-register DW_OP_reg1 .quad 0 .quad 0 .Ldebug_loc2: .quad .Lfunc_begin0-.Lfunc_begin0 .quad .Lfunc_end0-.Lfunc_begin0 .short 0xdead # Loc expr size .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 8 # DW_FORM_string .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 .Lint # DW_AT_type .byte 3 # Abbrev [3] DW_TAG_formal_parameter .long .Ldebug_loc0 # DW_AT_location .asciz "x0" # DW_AT_name .long .Lint-.Lcu_begin0 # DW_AT_type .byte 3 # Abbrev [3] DW_TAG_formal_parameter .long 0xdeadbeef # DW_AT_location .asciz "x1" # DW_AT_name .long .Lint-.Lcu_begin0 # DW_AT_type .byte 3 # Abbrev [3] DW_TAG_formal_parameter .long .Ldebug_loc2 # DW_AT_location .asciz "x2" # DW_AT_name .long .Lint-.Lcu_begin0 # DW_AT_type .byte 3 # Abbrev [3] DW_TAG_formal_parameter .long .Ldebug_loc3 # DW_AT_location .asciz "x3" # 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: