| # RUN: llvm-mc %s -filetype obj -triple x86_64-linux-elf -o - \ |
| # RUN: | llvm-dwarfdump --debug-loc - \ |
| # RUN: | FileCheck %s |
| |
| # RUN: llvm-mc %s -filetype obj -triple x86_64-linux-elf -o - \ |
| # RUN: | llvm-dwarfdump --verify - \ |
| # RUN: | FileCheck %s --check-prefix VERIFY |
| |
| # CHECK: .debug_loc contents: |
| |
| # CHECK: 0x00000000: |
| # CHECK-NEXT: [0x0000000000000000, 0x0000000000000003): DW_OP_reg5 RDI |
| # CHECK-NEXT: [0x0000000000000003, 0x0000000000000004): DW_OP_reg0 RAX |
| |
| # CHECK: 0x00000036: |
| # CHECK-NEXT: [0x0000000000000010, 0x0000000000000013): DW_OP_reg5 RDI |
| # CHECK-NEXT: [0x0000000000000013, 0x0000000000000014): DW_OP_reg0 RAX |
| |
| # VERIFY: Verifying .debug_info Unit Header Chain |
| # VERIFY-NOT: DIE has invalid DW_AT_location encoding |
| |
| # Source: |
| # int* foo(int* i) { return i; } |
| # int* bar(int* i) { return i; } |
| # Compile with: |
| # clang -g -O3 test.c -S -o debugloc.s |
| |
| .text |
| .file "test.c" |
| .globl foo |
| .align 16, 0x90 |
| .type foo,@function |
| foo: # @foo |
| .Lfunc_begin0: |
| .file 1 "test.c" |
| .loc 1 1 0 # test.c:1:0 |
| .cfi_startproc |
| # %bb.0: |
| #DEBUG_VALUE: foo:i <- %RDI |
| .loc 1 2 3 prologue_end # test.c:2:3 |
| movq %rdi, %rax |
| .Ltmp0: |
| #DEBUG_VALUE: foo:i <- %RAX |
| retq |
| .Ltmp1: |
| .Lfunc_end0: |
| .size foo, .Lfunc_end0-foo |
| .cfi_endproc |
| |
| .globl bar |
| .align 16, 0x90 |
| .type bar,@function |
| bar: # @bar |
| .Lfunc_begin1: |
| .loc 1 5 0 # test.c:5:0 |
| .cfi_startproc |
| # %bb.0: |
| #DEBUG_VALUE: bar:i <- %RDI |
| .loc 1 6 3 prologue_end # test.c:6:3 |
| movq %rdi, %rax |
| .Ltmp2: |
| #DEBUG_VALUE: bar:i <- %RAX |
| retq |
| .Ltmp3: |
| .Lfunc_end1: |
| .size bar, .Lfunc_end1-bar |
| .cfi_endproc |
| |
| .section .debug_str,"MS",@progbits,1 |
| .Linfo_string0: |
| .asciz "clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)" # string offset=0 |
| .Linfo_string1: |
| .asciz "test.c" # string offset=54 |
| .Linfo_string2: |
| .asciz "/tmp" # string offset=61 |
| .Linfo_string3: |
| .asciz "foo" # string offset=66 |
| .Linfo_string4: |
| .asciz "int" # string offset=70 |
| .Linfo_string5: |
| .asciz "bar" # string offset=74 |
| .Linfo_string6: |
| .asciz "i" # string offset=78 |
| .section .debug_loc,"",@progbits |
| .Ldebug_loc0: |
| .quad .Lfunc_begin0-.Lfunc_begin0 |
| .quad .Ltmp0-.Lfunc_begin0 |
| .short 1 # Loc expr size |
| .byte 85 # DW_OP_reg5 |
| .quad .Ltmp0-.Lfunc_begin0 |
| .quad .Lfunc_end0-.Lfunc_begin0 |
| .short 1 # Loc expr size |
| .byte 80 # DW_OP_reg0 |
| .quad 0 |
| .quad 0 |
| .Ldebug_loc1: |
| .quad .Lfunc_begin1-.Lfunc_begin0 |
| .quad .Ltmp2-.Lfunc_begin0 |
| .short 1 # Loc expr size |
| .byte 85 # DW_OP_reg5 |
| .quad .Ltmp2-.Lfunc_begin0 |
| .quad .Lfunc_end1-.Lfunc_begin0 |
| .short 1 # Loc expr size |
| .byte 80 # DW_OP_reg0 |
| .quad 0 |
| .quad 0 |
| .section .debug_abbrev,"",@progbits |
| .Lsection_abbrev: |
| .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 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 16 # DW_AT_stmt_list |
| .byte 23 # DW_FORM_sec_offset |
| .byte 27 # DW_AT_comp_dir |
| .byte 14 # DW_FORM_strp |
| .ascii "\341\177" # DW_AT_APPLE_optimized |
| .byte 25 # DW_FORM_flag_present |
| .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 |
| .ascii "\347\177" # DW_AT_APPLE_omit_frame_ptr |
| .byte 25 # DW_FORM_flag_present |
| .byte 64 # DW_AT_frame_base |
| .byte 24 # DW_FORM_exprloc |
| .byte 3 # DW_AT_name |
| .byte 14 # DW_FORM_strp |
| .byte 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 39 # DW_AT_prototyped |
| .byte 25 # DW_FORM_flag_present |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 63 # DW_AT_external |
| .byte 25 # DW_FORM_flag_present |
| .ascii "\341\177" # DW_AT_APPLE_optimized |
| .byte 25 # DW_FORM_flag_present |
| .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 58 # DW_AT_decl_file |
| .byte 11 # DW_FORM_data1 |
| .byte 59 # DW_AT_decl_line |
| .byte 11 # DW_FORM_data1 |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 4 # Abbreviation Code |
| .byte 15 # DW_TAG_pointer_type |
| .byte 0 # DW_CHILDREN_no |
| .byte 73 # DW_AT_type |
| .byte 19 # DW_FORM_ref4 |
| .byte 0 # EOM(1) |
| .byte 0 # EOM(2) |
| .byte 5 # 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 |
| .Lsection_info: |
| .Lcu_begin0: |
| .long 133 # Length of Unit |
| .short 4 # DWARF version number |
| .long .Lsection_abbrev # Offset Into Abbrev. Section |
| .byte 8 # Address Size (in bytes) |
| .byte 1 # Abbrev [1] 0xb:0x7e DW_TAG_compile_unit |
| .long .Linfo_string0 # DW_AT_producer |
| .short 12 # DW_AT_language |
| .long .Linfo_string1 # DW_AT_name |
| .long .Lline_table_start0 # DW_AT_stmt_list |
| .long .Linfo_string2 # DW_AT_comp_dir |
| # DW_AT_APPLE_optimized |
| .quad .Lfunc_begin0 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin0 # DW_AT_high_pc |
| .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 |
| # DW_AT_APPLE_omit_frame_ptr |
| .byte 1 # DW_AT_frame_base |
| .byte 87 |
| .long .Linfo_string3 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| # DW_AT_prototyped |
| .long 124 # DW_AT_type |
| # DW_AT_external |
| # DW_AT_APPLE_optimized |
| .byte 3 # Abbrev [3] 0x43:0xf DW_TAG_formal_parameter |
| .long .Ldebug_loc0 # DW_AT_location |
| .long .Linfo_string6 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 1 # DW_AT_decl_line |
| .long 124 # DW_AT_type |
| .byte 0 # End Of Children Mark |
| .byte 2 # Abbrev [2] 0x53:0x29 DW_TAG_subprogram |
| .quad .Lfunc_begin1 # DW_AT_low_pc |
| .long .Lfunc_end1-.Lfunc_begin1 # DW_AT_high_pc |
| # DW_AT_APPLE_omit_frame_ptr |
| .byte 1 # DW_AT_frame_base |
| .byte 87 |
| .long .Linfo_string5 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 5 # DW_AT_decl_line |
| # DW_AT_prototyped |
| .long 124 # DW_AT_type |
| # DW_AT_external |
| # DW_AT_APPLE_optimized |
| .byte 3 # Abbrev [3] 0x6c:0xf DW_TAG_formal_parameter |
| .long .Ldebug_loc1 # DW_AT_location |
| .long .Linfo_string6 # DW_AT_name |
| .byte 1 # DW_AT_decl_file |
| .byte 5 # DW_AT_decl_line |
| .long 124 # DW_AT_type |
| .byte 0 # End Of Children Mark |
| .byte 4 # Abbrev [4] 0x7c:0x5 DW_TAG_pointer_type |
| .long 129 # DW_AT_type |
| .byte 5 # Abbrev [5] 0x81:0x7 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 |
| .section .debug_ranges,"",@progbits |
| .Ldebug_range: |
| .section .debug_macinfo,"",@progbits |
| .byte 0 # End Of Macro List Mark |
| .section .debug_pubnames,"",@progbits |
| .long .LpubNames_end0-.LpubNames_begin0 # Length of Public Names Info |
| .LpubNames_begin0: |
| .short 2 # DWARF Version |
| .long .Lcu_begin0 # Offset of Compilation Unit Info |
| .long 137 # Compilation Unit Length |
| .long 42 # DIE offset |
| .asciz "foo" # External Name |
| .long 83 # DIE offset |
| .asciz "bar" # External Name |
| .long 0 # End Mark |
| .LpubNames_end0: |
| .section .debug_pubtypes,"",@progbits |
| .long .LpubTypes_end0-.LpubTypes_begin0 # Length of Public Types Info |
| .LpubTypes_begin0: |
| .short 2 # DWARF Version |
| .long .Lcu_begin0 # Offset of Compilation Unit Info |
| .long 137 # Compilation Unit Length |
| .long 129 # DIE offset |
| .asciz "int" # External Name |
| .long 0 # End Mark |
| .LpubTypes_end0: |
| |
| .ident "clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)" |
| .section ".note.GNU-stack","",@progbits |
| .section .debug_line,"",@progbits |
| .Lline_table_start0: |
