| # 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: |